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07070100000002000081A4000000000000000000000001657316310000894D000000000000000000000000000000000000002B00000000crush-2023.0.dev1702041137+8ae4b21/LICENSE                    GNU GENERAL PUBLIC LICENSE
                       Version 3, 29 June 2007

Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
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How to Apply These Terms to Your New Programs

If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
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To do so, attach the following notices to the program.  It is safest
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state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.

<one line to give the program's name and a brief idea of what it does.>
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This program is free software: you can redistribute it and/or modify
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This program is distributed in the hope that it will be useful,
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You should have received a copy of the GNU General Public License
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Also add information on how to contact you by electronic and paper mail.

If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:

<program>  Copyright (C) <year>  <name of author>
    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
    This is free software, and you are welcome to redistribute it
    under certain conditions; type `show c' for details.

The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License.  Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".

You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<https://www.gnu.org/licenses/>.

The GNU General Public License does not permit incorporating your program
into proprietary programs.  If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library.  If this is what you want to do, use the GNU Lesser General
Public License instead of this License.  But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.
07070100000003000081A4000000000000000000000001657316310000008F000000000000000000000000000000000000002C00000000crush-2023.0.dev1702041137+8ae4b21/MakefilePRJ = crush

all: check sort

check:
	-mypy -p $(PRJ)
	-pylint $(PRJ)
	-flake8 $(PRJ)

sort:
	-isort $(PRJ)
	-black $(PRJ)

.PHONY: check sort
07070100000004000081A40000000000000000000000016573163100000B23000000000000000000000000000000000000002D00000000crush-2023.0.dev1702041137+8ae4b21/README.md# crush

`crush` is an experimental attempt to, at least partially, rewrite [crash-util](https://github.com/crash-utility/crash/) using Python and a more modern [drgn](https://github.com/crash-utility/crash/) backend.

The code is in its early days, is subjected to a massive rewrite at any point, and important functions are not (_yet_) implemented.

## Usage

Type `python -m crush.crush -h` first.

A vmcore, a vmlinux file and, optionally, a folder with module debug symbols have to be specified. For instance:

```
$ python -m crush.crush -c vmcore -l vmlinux -m folder/with/debuginfo
```

Once started, the tool will greet you with a `crush>` prompt. To get an overview of all currently supported commands, type `help`. For each command, type `<command> -h` to get a more detailed usage info.

## Dependencies

* `drgn`
* `python-asteval`
* `python-capstone`
* `python-prettytable`
* `python-pyxdg`

As a rule of thumb, the latest `drgn` should be used even if it means using a git snapshot.

## Installation

`python-flit` is used as a build backend.

To build a wheel, install `python-build` and run:

```
$ python -m build
```

To install a wheel, make sure `python-installer` is available, and then run:

```
$ python -m installer --destdir=/some/dir dist/crush-…-.whl
```

This will also generate a startup Python script under `<destdir>/usr/bin` named `crush` which should be used instead of invoking `python -m crush.crush`.

Pre-built packages are available:

* for Arch Linux: [here](https://build.opensuse.org/project/show/home:post-factum:crush) [![OBS Status](https://build.opensuse.org/projects/home:post-factum:crush/packages/crush/badge.svg?type=default)](https://build.opensuse.org/package/show/home:post-factum:crush/crush)
* for Fedora: [here](https://copr.fedorainfracloud.org/coprs/pfactum/crush) ![Copr Status](https://copr.fedorainfracloud.org/coprs/pfactum/crush/package/crush/status_image/last_build.png)

The packages are automatically rebuilt on each push.

## Contributing

Feel free to [open an issue](https://codeberg.org/pf-kernel/crush/issues/new), create a [pull request](https://codeberg.org/pf-kernel/crush/pulls), or mail me directly: [oleksandr@redhat.com](mailto:oleksandr@redhat.com).

Please use the following linters on your code:

* `flake8`
* `mypy`
* `pylint`

and format it with:

* `black`
* `isort`

Having the aforementined tools installed, you may just type `make`, and all the checks and formatting adjustments will be invoked automatically.

## Licensing

This tool is being developed by me, a Red Hat engineer, during my business hours, whatever that means for licensing, author- and ownership. The code is licensed under terms and conditions of GPLv3 or, at your option, any later version. See [LICENSE](https://codeberg.org/pf-kernel/crush/src/branch/master/LICENSE) file for more details.
07070100000005000041ED0000000000000000000000056573163100000000000000000000000000000000000000000000002900000000crush-2023.0.dev1702041137+8ae4b21/crush07070100000006000081A400000000000000000000000165731631000002C0000000000000000000000000000000000000002E00000000crush-2023.0.dev1702041137+8ae4b21/crush.specName: {{{ git_dir_name }}}
Version: {{{ git_dir_version }}}
Release: 1%{?dist}
Summary: A drgn-based crash-util replacement
BuildArch: noarch
URL: https://codeberg.org/pf-kernel/crush
VCS: {{{ git_dir_vcs }}}
License: GPLv3+
BuildRequires: python3-devel
Source: {{{ git_dir_pack }}}

%description
crush is an experimental attempt to, at least partially, rewrite crash-util using Python and a more modern drgn backend.

%generate_buildrequires
%pyproject_buildrequires

%prep
{{{ git_dir_setup_macro }}}

%build
%pyproject_wheel

%install
%pyproject_install
%pyproject_save_files %{name}

%files -f %{pyproject_files}
%doc README.md
%license LICENSE
%{_bindir}/crush

%changelog
{{{ git_dir_changelog }}}
07070100000007000081A40000000000000000000000016573163100000042000000000000000000000000000000000000003500000000crush-2023.0.dev1702041137+8ae4b21/crush/__init__.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later
07070100000008000041ED0000000000000000000000026573163100000000000000000000000000000000000000000000003200000000crush-2023.0.dev1702041137+8ae4b21/crush/commands07070100000009000081A40000000000000000000000016573163100000042000000000000000000000000000000000000003E00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/__init__.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later
0707010000000A000081A40000000000000000000000016573163100000481000000000000000000000000000000000000003B00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/ascii.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from binascii import Error, a2b_hex
from sys import byteorder
from typing import Optional

from drgn import PlatformFlags

from crush.commands.common import Command
from crush.helpers.common import bin2ascii

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="ascii", description="Convert raw hex sequence to ASCII")
    parser.add_argument("hex", nargs="+", help="hex sequence to convert")
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

val = []

if cmd.ctx.prog.platform.flags & PlatformFlags.IS_LITTLE_ENDIAN:
        vmcore_endianness = "little"
    else:
        vmcore_endianness = "big"

for i in args.hex:
        try:
            raw = a2b_hex(i)
        except Error as exc:
            cmd.errln(str(exc))
            return -1

# TODO: needs testing on big-endian host
        if byteorder == vmcore_endianness:
            raw = raw[::-1]

asc = bin2ascii(raw)
        val.append(asc)

cmd.println(" ".join(val))

return 0
0707010000000B000081A40000000000000000000000016573163100001C49000000000000000000000000000000000000003800000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/bt.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from drgn import Architecture, FaultError, stack_trace
from prettytable import PrettyTable

from crush.commands.common import Command
from crush.commands.rd import read_content
from crush.helpers.common import Address, address_to_module_name, demangle, wreg
from crush.helpers.sched import task_header, tasks_from_stdin

# TODO: trampolines? something else?
PPC64_SP_OFFSET = 0x18

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="bt", description="Show task stack trace")
    parser.add_argument(
        "pid", nargs="*", default=None, help="PID or struct task_struct address(es)"
    )
    parser.add_argument("-i", "--inline", action="store_true", help="show inline frames")
    parser.add_argument(
        "-r",
        "--registers",
        action="store_true",
        help="show registers within each frame",
    )
    parser.add_argument(
        "-f", "--frame-content", action="store_true", help="show each frame content"
    )
    parser.add_argument(
        "-s",
        "--stringify",
        action="store_true",
        help="try to convert frame content binary data into ASCII",
    )
    parser.add_argument(
        "-S",
        "--symbolify",
        action="store_true",
        help="resolve symbols within frame content",
    )
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

tasks = tasks_from_stdin(cmd.ctx, args.pid, cmd.stdin)

for task in tasks:
        cmd.println(task_header(task))

trace = []
        try:
            trace = stack_trace(task)
        except FaultError:
            cmd.println("(no stack)")
            continue
        # TODO: narrow down the exception
        except Exception as exc:  # pylint: disable=broad-except
            cmd.errln(f"Unable to get a stack trace: {exc}")
            continue

for i, frame in enumerate(trace):
            if not args.inline and frame.is_inline:
                continue

# TODO: stop-gap against infinite s390x stack unwinding
            if frame.pc == 0:
                break

match cmd.ctx.prog.platform.arch:
                case Architecture.X86_64:
                    stack_ptr = frame.registers()["rsp"]
                case Architecture.PPC64:
                    stack_ptr = frame.registers()["r1"] + PPC64_SP_OFFSET
                case Architecture.S390X:
                    stack_ptr = frame.registers()["r15"]
                case Architecture.AARCH64:
                    stack_ptr = frame.registers()["sp"]
                case _:
                    stack_ptr = None

# TODO: stop-gap against infinite s390x stack unwinding
            if stack_ptr == 0:
                break

frame_num = f"#{i}"
            frame_line = f"{frame_num:>4s}"

if stack_ptr is not None:
                frame_line += " " + f"[{wreg(cmd.ctx, stack_ptr)}]"

demangled = demangle(cmd.ctx, frame.pc)
            if demangled is not None:
                frame_line += " " + f"at {demangled}"

try:
                src_file, src_line, src_column = frame.source()
            except LookupError:
                src_file = None
                src_line = 0
                src_column = 0

if src_file is not None:
                frame_line += " " + "in" + " " + src_file
                if src_line != 0:
                    frame_line += f":{src_line}"
                    if src_column != 0:
                        frame_line += f":{src_column}"
            else:
                frame_line += " " + wreg(cmd.ctx, frame.pc)

if frame.is_inline:
                frame_line += " " + "(inline)"

match cmd.ctx.prog.platform.arch:
                case Architecture.X86_64 | Architecture.S390X | Architecture.AARCH64:
                    module_name = address_to_module_name(cmd.ctx, frame.pc)
                    if module_name is not None:
                        frame_line += " " + f"[{module_name}]"
                case Architecture.PPC64:
                    # TODO: avoid FaultError "No way to translate" for now
                    pass

cmd.println(frame_line)

if (not frame.is_inline and frame.interrupted) or args.registers:
                table = PrettyTable()
                table.border = False
                table.header = False

regs = frame.registers()

row = []
                j = 0
                for reg in regs:
                    row.append(reg + ":")
                    row.append(wreg(cmd.ctx, regs[reg]))
                    j += 1
                    if j > 2:
                        table.add_row(row)
                        row = []
                        j = 0

if j != 0:
                    for _ in range(0, 3 - j):
                        row.append("")
                        row.append("")
                if row:
                    table.add_row(row)

table.align = "l"
                table.align["Field 1"] = "r"  # type: ignore
                table.align["Field 3"] = "r"  # type: ignore
                table.align["Field 5"] = "r"  # type: ignore
                cmd.println(table.get_string())

if args.frame_content and not frame.is_inline and i < len(trace) - 1:
                next_frame = trace[i + 1]

match cmd.ctx.prog.platform.arch:
                    case Architecture.X86_64:
                        next_stack_ptr = next_frame.registers()["rsp"]
                        frame_size = ((next_stack_ptr - stack_ptr) // 8) % 2**64
                    case Architecture.PPC64:
                        next_stack_ptr = next_frame.registers()["r1"] + PPC64_SP_OFFSET
                        frame_size = ((next_stack_ptr - stack_ptr) // 8) % 2**64
                    case Architecture.S390X:
                        next_stack_ptr = next_frame.registers()["r15"]
                        frame_size = ((next_stack_ptr - stack_ptr) // 8) % 2**64
                    case Architecture.AARCH64:
                        next_stack_ptr = next_frame.registers()["sp"]
                        frame_size = ((next_stack_ptr - stack_ptr) // 8) % 2**64
                    case _:
                        next_stack_ptr = None
                        frame_size = None

# 16 KiB
                if frame_size is not None and frame_size < 0x4000:
                    buf = read_content(
                        cmd.ctx,
                        [Address(None, None, stack_ptr)],
                        frame_size,
                        None,
                        False,
                        args.stringify,
                        args.symbolify,
                    )
                    table = PrettyTable()
                    table.border = False
                    table.header = False
                    table.align = "l"
                    for row in buf:
                        table.add_row(row)
                    cmd.println(table.get_string())

cmd.println("")

return 0
0707010000000C000081A400000000000000000000000165731631000005C3000000000000000000000000000000000000003A00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/calc.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import List, Optional

from asteval import Interpreter
from prettytable import PrettyTable

from crush.commands.common import Command

def bits_set(num: int) -> List[int]:
    ret: List[int] = []
    if num < 0:
        num = abs(num)
    while num:
        bit = num & (~num + 1)
        ret.insert(0, bit.bit_length() - 1)
        num ^= bit
    return ret

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="calc", description="Evaluate math expression")
    parser.add_argument("-b", "--binary", action="store_true", help="show result in binary")
    parser.add_argument("-x", "--hex", action="store_true", help="show result in hex")
    parser.add_argument("expression", nargs="+", help="math expression to evaluate")
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

aeval = Interpreter()
    val = aeval(" ".join(args.expression))

table = PrettyTable()
    table.border = False
    table.header = False
    table.align = "r"

table.add_row(["ans =", val])

if args.hex or args.binary:
        table.add_row(["", ""])

if args.hex:
        table.add_row(["Hex:", hex(val)])
    if args.binary:
        table.add_row(["Bin:", bin(val)])
        table.add_row(["Bits set:", bits_set(val)])

table.max_width = 70
    return cmd.println(table.get_string())
0707010000000D000081A400000000000000000000000165731631000001E4000000000000000000000000000000000000003D00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/cmdline.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from crush.commands.common import Command

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="cmdline", description="Show kernel command line options")
    try:
        _ = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

return cmd.println(cmd.ctx.prog["saved_command_line"].string_().decode())
0707010000000E000081A40000000000000000000000016573163100002301000000000000000000000000000000000000003C00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/common.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

import readline
from importlib import import_module
from pathlib import Path
from shlex import shlex
from subprocess import run
from sys import stderr
from traceback import print_exc
from typing import Dict, List, Optional, Tuple

from drgn import Object
from xdg import BaseDirectory

from crush.context import Context
from crush.textbuffer import TextBuffer

Commands: Dict[str, List] = {
    "ascii": [],
    "bt": [],
    "calc": [],
    "cmdline": [],
    "const": [],
    "dis": [],
    "dmesg": [
        "log",
    ],
    "ext": [],
    "files": [],
    "finfo": [],
    "fn": [],
    "help": [],
    "info": [],
    "lag": [],
    "list": [],
    "lsmod": [
        "mod",
    ],
    "mem": [],
    "mount": [],
    "pcpu": [],
    "ps": [],
    "quit": [
        "exit",
        "q",
    ],
    "rd": [],
    "search": [],
    "set": [],
    "slabs": [],
    "struct": [],
    "sym": [],
    "swap": [],
    "taint": [],
    "tree": [],
    "type": [],
    "uname": [],
    "var": [],
    "vtop": [],
}

def print_err(*args, **kwargs):
    print(*args, file=stderr, **kwargs)

class Command:
    def __init__(self, ctx: Context, argv: List[str], stdin: Optional[TextBuffer], piped: bool):
        self.ctx = ctx
        self.argv = argv
        self.stdin = stdin
        self.piped = piped
        self.stdout = TextBuffer()

def println(self, string: str):
        if self.piped:
            self.stdout.append(string)
        else:
            print(string)

def errln(self, string: str):
        print_err(string)

def wrapper(cmd: Command) -> Tuple[Optional[TextBuffer], Optional[int]]:
    try:
        module = import_module(f"crush.commands.{cmd.argv[0]}")
    except ModuleNotFoundError as exc:
        print_err(exc)
        if cmd.ctx.debug_mode:
            print_exc()
        return None, -1

try:
        func = getattr(module, "main")
    except AttributeError as exc:
        print_err(exc)
        if cmd.ctx.debug_mode:
            print_exc()
        return None, -2

try:
        ret = func(cmd)
    except Exception as exc:  # pylint: disable=broad-except
        print_err(f"Exception occurred while executing command: {type(exc).__name__}: {exc}")
        if cmd.ctx.debug_mode:
            print_exc()
        ret = -255

return cmd.stdout, ret

def struct_exists(ctx: Context, name: str) -> bool:
    try:
        name = name.split(".")[0]
        _ = Object(ctx.prog, f"struct {name} *", 0)
    except (LookupError, SyntaxError):
        return False

return True

def var_exists(ctx: Context, name: str) -> bool:
    # probably, one really wanted `head` command from outside
    # but not struct hash *head[32] from init/initramfs.c
    var_overrides = ["head"]

if name in var_overrides:
        return False

try:
        _ = ctx.prog.variable(name)
    except (LookupError, SyntaxError):
        return False

return True

def type_exists(ctx: Context, name: str) -> bool:
    try:
        name = name.split(".")[0]
        _ = ctx.prog.type(name)
    except (LookupError, SyntaxError):
        return False

return True

def const_exists(ctx: Context, name: str) -> bool:
    try:
        _ = ctx.prog.constant(name)
    except (LookupError, SyntaxError):
        return False

return True

def fn_exists(ctx: Context, name: str) -> bool:
    try:
        _ = ctx.prog.function(name)
    except (LookupError, SyntaxError):
        return False

return True

def resolve(ctx: Context, args: List[str]) -> Tuple[str, bool, bool, Optional[List[str]]]:
    cmd = args[0]

for resolution, aliases in Commands.items():
        if cmd == resolution:
            return resolution, False, False, None
        if cmd in aliases:
            return resolution, True, False, None

if not cmd.startswith("!"):
        if len(args) == 2 and struct_exists(ctx, cmd):
            return "struct", False, True, None

if var_exists(ctx, cmd):
            return "var", False, True, None

if type_exists(ctx, f"struct {cmd}"):
            return "type", False, True, ["struct"]

if type_exists(ctx, cmd):
            return "type", False, True, None

if const_exists(ctx, cmd):
            return "const", False, True, None

if fn_exists(ctx, cmd):
            return "fn", False, True, None

return "execve", False, True, None

return "execve", False, False, None

def command(ctx: Context, val: str) -> bool:
    stdin: Optional[TextBuffer] = TextBuffer()
    stdout = None

if val.strip() == "":
        return False

parser = shlex(instream=val, posix=True, punctuation_chars=True)
    parser.wordchars += "!+:,"

# independent sets of commands (separated by `;`)
    clusters = []
    tokens: List[str] = []
    while True:
        token = parser.get_token()
        if token is parser.eof:
            break

if token == ";":
            clusters.append(tokens)
            tokens = []
        elif token:
            tokens.append(token)
    if tokens:
        clusters.append(tokens)

for cluster in clusters:
        commands = []
        argv: List[str] = []
        skip_once = False
        for index, arg in enumerate(cluster):
            if skip_once:
                skip_once = False
                continue

if arg == "|":
                if argv:
                    commands.append(argv)
                argv = []
            elif arg in [">", ">>", "<", "<<"]:
                # TODO: handle stdin/stdout redirection
                #       currently can be worked around by `cat … | …` and `… | tee …`
                try:
                    _direction = cluster[index + 1]  # noqa: F841
                except IndexError:
                    print_err("Syntax error")
                    return False

commands.append(argv)
                argv = []
                skip_once = True
            else:
                argv.append(arg)
        if argv:
            commands.append(argv)

for index, argv in enumerate(commands):
            name, aliased, guessed, prefix = resolve(ctx, argv)
            piped = index != len(commands) - 1
            stdout = None
            ret: Optional[int] = None
            match name:
                case "quit":
                    return True
                case "execve":
                    if not guessed:
                        argv[0] = argv[0][1:]

inp = None
                    if stdin is not None:
                        inp = "\n".join(stdin).encode()
                    try:
                        # pylint: disable=subprocess-run-check
                        res = run(argv, input=inp, capture_output=True)
                    except Exception as exc:  # pylint: disable=broad-except
                        print_err(exc)
                    else:
                        ret = res.returncode
                        if res.stdout != b"":
                            stdout = TextBuffer()
                            for line in res.stdout.decode().split("\n"):
                                stdout.append(line)
                        if not piped:
                            if stdout is not None:
                                print("\n".join(stdout))
                        if res.stderr != b"":
                            for line in res.stderr.decode().split("\n"):
                                print_err(line)
                case _:
                    if aliased:
                        argv[0] = name
                    if prefix is not None:
                        argv = prefix + argv
                    if guessed:
                        argv = [name] + argv
                    stdout_raw, ret = wrapper(Command(ctx, argv, stdin, piped))
                    stdout = TextBuffer()
                    if stdout_raw is not None:
                        for line in stdout_raw:
                            for subline in line.split("\n"):
                                stdout.append(subline)

if ret is not None and ret != 0:
                if ret != -255:
                    print_err(f"Command returned a non-zero exit code: {ret}")
                break

stdin = stdout

return False

def repl(ctx: Context) -> bool:
    val = input("crush> ")

return command(ctx, val)

def loop(ctx: Context) -> None:
    histdir = BaseDirectory.xdg_data_home + "/crush"
    histfile = histdir + "/history"
    Path(histdir).mkdir(parents=True, exist_ok=True)
    if Path(histfile).exists():
        readline.read_history_file(histfile)
    readline.set_history_length(1000)

while True:
        try:
            val = repl(ctx)
            readline.write_history_file(histfile)
            if val:
                return
        except EOFError:
            return
        except KeyboardInterrupt:
            print()
0707010000000F000081A40000000000000000000000016573163100000411000000000000000000000000000000000000003B00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/const.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from crush.commands.common import Command
from crush.context import Context

def get_const(ctx: Context, string: str, is_hex: bool) -> str:
    val = ctx.prog.constant(string).value_()

if is_hex:
        return hex(val)

return str(val)

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="const", description="Show given constant")
    parser.add_argument("-x", "--hex", action="store_true", help="show value in hex")
    parser.add_argument("const", nargs="+", help="constant name")
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

for i in args.const:
        if i == "-" and cmd.stdin is not None:
            for j in cmd.stdin:
                if j != "":
                    cmd.println(get_const(cmd.ctx, j.strip(), args.hex))
        else:
            cmd.println(get_const(cmd.ctx, i, args.hex))

return 0
07070100000010000081A40000000000000000000000016573163100001F48000000000000000000000000000000000000003900000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/dis.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import List, Optional

from capstone import (
    CS_ARCH_ARM64,
    CS_ARCH_PPC,
    CS_ARCH_SYSZ,
    CS_ARCH_X86,
    CS_MODE_32,
    CS_MODE_64,
    CS_MODE_ARM,
    CS_MODE_BIG_ENDIAN,
    CS_MODE_LITTLE_ENDIAN,
    CS_OPT_SYNTAX_ATT,
    Cs,
    CsError,
    CsInsn,
)
from capstone.arm64 import ARM64_OP_IMM
from capstone.ppc import PPC_OP_IMM
from capstone.systemz import SYSZ_OP_IMM
from capstone.x86 import X86_OP_IMM, X86_OP_MEM
from drgn import Architecture, PlatformFlags
from prettytable import PrettyTable

from crush.commands.common import Command
from crush.context import Context
from crush.helpers.common import demangle, try_int

class DisasmLine:
    """
    Represents a disassembler line containing instruction details and demangler hints.

Attributes
    ----------
    insn: capstone.CsInsn
        CPU instruction
    symbolic: str
        textual representation of CPU instruction address
    hints: List[str]
        textual representation of memory addresses the CPU instruction operates on

Methods
    -------
    get_hints():
        returns textual representation of memory addresses the CPU instruction operates on
    get_insn_address():
        returns CPU instruction address in memory
    get_symbolic():
        returns textual representation of CPU instruction address
    get_insn_mnemonic():
        returns CPU instruction mnemonic
    get_insn_op_str():
        returns textual representation of CPU instruction operands
    """

def __init__(self, ctx: Context, arch: int, mode: int, insn: CsInsn):
        self.insn = insn
        demangled = demangle(ctx, insn.address)
        if demangled is None:
            self.symbolic = "?"
        else:
            self.symbolic = demangled
        self.hints = []

# skip if data instruction is encountered
        try:
            operands = insn.operands
        except CsError:
            return

# TODO: also other architectures

for i in operands:
            if arch == CS_ARCH_X86:
                if i.type == X86_OP_IMM:
                    if mode == CS_MODE_64:
                        imm = i.imm % 2**64
                    else:
                        imm = None
                    if imm is not None:
                        demangled = demangle(ctx, imm)
                        if demangled is not None:
                            self.hints.append(demangled)
                elif i.type == X86_OP_MEM:
                    if i.mem.base != 0:
                        reg = insn.reg_name(i.mem.base)
                        if reg == "rip":
                            dst = (insn.address + insn.size + i.mem.disp) % 2**64
                            demangled = demangle(ctx, dst)
                            hint = hex(dst)
                            if demangled is not None:
                                hint += " " + "<" + demangled + ">"
                            self.hints.append(hint)
                    if i.mem.index != 0 and i.mem.disp != 0:
                        dst = i.mem.disp % 2**64
                        demangled = demangle(ctx, dst)
                        hint = hex(dst)
                        if demangled is not None:
                            hint += " " + "<" + demangled + ">"
                        self.hints.append(hint)
            elif arch == CS_ARCH_PPC:
                if i.type == PPC_OP_IMM:
                    imm = i.imm % 2**64
                    demangled = demangle(ctx, imm)
                    if demangled is not None:
                        self.hints.append(demangled)
            elif arch == CS_ARCH_SYSZ:
                if i.type == SYSZ_OP_IMM:
                    imm = i.imm % 2**64
                    demangled = demangle(ctx, imm)
                    if demangled is not None:
                        self.hints.append(demangled)
            elif arch == CS_ARCH_ARM64:
                if i.type == ARM64_OP_IMM:
                    imm = i.imm % 2**64
                    demangled = demangle(ctx, imm)
                    if demangled is not None:
                        self.hints.append(demangled)

# TODO: resolve to source code file:line:column
        # https://github.com/osandov/drgn/pull/180

def get_hints(self) -> List[str]:
        return self.hints

def get_insn_address(self) -> int:
        return self.insn.address

def get_symbolic(self) -> str:
        return self.symbolic

def get_insn_mnemonic(self) -> str:
        return self.insn.mnemonic

def get_insn_op_str(self) -> str:
        return self.insn.op_str

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="dis", description="Disassemble a given function")
    parser.add_argument("fn", metavar="fn[+0xoffset]", help="function name or address")
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

if "+" in args.fn:
        entity, size_to_read = args.fn.split("+")
        size_to_read = try_int(size_to_read)
        if size_to_read == 0:
            size_to_read = None
    else:
        entity = args.fn
        size_to_read = None

val = try_int(entity)
    if val is not None:
        symbol_address = val
        if size_to_read is None:
            size_to_read = cmd.ctx.get_word_size()
    else:
        symbol = cmd.ctx.prog.symbol(entity)
        symbol_address = symbol.address
        if size_to_read is None:
            size_to_read = symbol.size

instr = cmd.ctx.prog.read(symbol_address, size_to_read)

# declare what RHEL supports
    match cmd.ctx.prog.platform.arch:
        case Architecture.X86_64:
            arch = CS_ARCH_X86
            mode = CS_MODE_64
            syntax = CS_OPT_SYNTAX_ATT
        case Architecture.I386:
            # TODO: not tested
            arch = CS_ARCH_X86
            mode = CS_MODE_32
            syntax = CS_OPT_SYNTAX_ATT
        case Architecture.AARCH64:
            arch = CS_ARCH_ARM64
            mode = CS_MODE_ARM
            syntax = None
        case Architecture.PPC64:
            if cmd.ctx.prog.platform.flags & PlatformFlags.IS_LITTLE_ENDIAN:
                # TODO: issues with slabs and modules;
                #       looks like something is wrong with virtual memory address translation
                #       bt, dis work just fine though
                #       https://github.com/ptesarik/libkdumpfile/issues/58
                arch = CS_ARCH_PPC
                mode = CS_MODE_64 + CS_MODE_LITTLE_ENDIAN
            else:
                # TODO: same ^^
                arch = CS_ARCH_PPC
                mode = CS_MODE_64 + CS_MODE_BIG_ENDIAN
            syntax = None
        case Architecture.S390X:
            # TODO: some instructions like `mvcl %r2,%r0` get recognised as `(bad)`
            # https://github.com/capstone-engine/capstone/issues/1545
            arch = CS_ARCH_SYSZ
            mode = CS_MODE_BIG_ENDIAN
            syntax = None
        case _:
            cmd.errln("Unsupported architecture")
            return -1

dis = Cs(arch, mode)
    if syntax is not None:
        dis.syntax = syntax

dis.skipdata = True
    dis.skipdata_setup = ("(bad)", None, None)
    dis.detail = True

disasm_lines = []
    for i in dis.disasm(instr, symbol_address):
        disasm_lines.append(DisasmLine(cmd.ctx, arch, mode, i))

table = PrettyTable()
    table.border = False
    table.header = False
    table.align = "l"

for i in disasm_lines:
        if i.get_hints():
            hints = "# " + ",".join(i.get_hints())
        else:
            hints = ""

table.add_row(
            [
                hex(i.get_insn_address()),
                "<" + i.get_symbolic() + ">:",
                i.get_insn_mnemonic(),
                i.get_insn_op_str(),
                hints,
            ]
        )

return cmd.println(table.get_string())
07070100000011000081A40000000000000000000000016573163100000647000000000000000000000000000000000000003B00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/dmesg.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from datetime import datetime, timezone
from typing import Optional

from drgn.helpers.linux.printk import get_dmesg, get_printk_records

from crush.commands.common import Command
from crush.helpers.time import get_timekeeper, get_uptime_ns

def get_dmesg_human_ts(boot_time_s: int) -> str:
    lines = []
    for record in get_printk_records():
        timestamp = (
            datetime.fromtimestamp(boot_time_s + (record.timestamp // 1_000_000_000), timezone.utc)
            .astimezone()
            .strftime("%a %b %e %T %Z %Y")
        )
        lines.append(f'[{timestamp}] {record.text.decode(errors="replace")}')
    lines.append("")  # So we get a trailing newline.
    return "\n".join(lines)

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="dmesg", description="Show kernel long content")
    parser.add_argument(
        "--human-timestamps", "-T", action="store_true", help="print human-readable timestamps"
    )
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

if not args.human_timestamps:
        # Print default timestamps
        cmd.println(get_dmesg().decode(errors="replace"))
    else:
        # Print human-readable timestmaps
        timekeeper = get_timekeeper(cmd.ctx)
        uptime_ns = get_uptime_ns(cmd.ctx)
        uptime_s = uptime_ns // 1_000_000_000
        boot_time_s = timekeeper.xtime_sec.value_() - uptime_s

cmd.println(get_dmesg_human_ts(boot_time_s))

return 0
07070100000012000081A400000000000000000000000165731631000004E2000000000000000000000000000000000000003900000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/ext.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from importlib.machinery import SourceFileLoader
from importlib.util import module_from_spec, spec_from_loader
from traceback import print_exc
from typing import Optional

from crush.commands.common import Command

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="ext", description="Run external crush Python script")
    parser.add_argument("script", help="path to script")
    parser.add_argument("args", nargs="*", help="script arguments")
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

loader = SourceFileLoader("extmodule", args.script)
    spec = spec_from_loader("extmodule", loader)
    if spec is not None:
        extmodule = module_from_spec(spec)
        try:
            loader.exec_module(extmodule)
        except FileNotFoundError as exc:
            cmd.println(str(exc))
            return -1

try:
            return extmodule.main(cmd)
        except Exception as exc:  # pylint: disable=broad-except
            cmd.println(str(exc))
            if cmd.ctx.debug_mode:
                print_exc()
            return -2

return -3
07070100000013000081A40000000000000000000000016573163100000A73000000000000000000000000000000000000003B00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/files.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from drgn.helpers.linux.fs import d_path, for_each_file
from prettytable import PrettyTable

from crush.commands.common import Command
from crush.helpers.common import try_int
from crush.helpers.sched import task_header, tasks_from_stdin

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="files", description="Show task files")
    parser.add_argument(
        "-R",
        "--reference",
        help="Show only files matching the reference "
        + "(struct file, inode, dentry, private_data)",
    )
    parser.add_argument(
        "pid", nargs="*", default=None, help="PID or struct task_struct address(es)"
    )
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

reference = try_int(args.reference)

tasks = tasks_from_stdin(cmd.ctx, args.pid, cmd.stdin)

for task in tasks:
        cmd.println(task_header(task))

if task.files.value_() == 0:
            files = 0
        else:
            files = len(list(for_each_file(task)))

if files != 0:
            records = []

for file_desc, file in for_each_file(task):
                if file.value_() == 0:
                    continue
                if reference is not None:
                    if (
                        file.value_() != reference
                        and file.f_inode.value_() != reference
                        and file.f_path.dentry.value_() != reference
                        and file.private_data.value_() != reference
                    ):
                        continue

fd_str = hex(file_desc)
                inode = hex(file.f_inode.value_())
                dentry = hex(file.f_path.dentry.value_())
                path = d_path(file.f_path).decode()
                if path in ("[anon_inodefs]", "[sockfs]"):
                    path = file.f_path.dentry.d_name.name.string_().decode()
                file = hex(file.value_())

records.append([fd_str, file, inode, dentry, path])

if records:
                table = PrettyTable()
                table.border = False
                table.align = "l"
                table.field_names = ["FD", "FILE", "INODE", "DENTRY", "PATH"]

for record in records:
                    table.add_row(record)

cmd.println(table.get_string())
                cmd.println("")
            else:
                cmd.println("(no files to show)")
        else:
            cmd.println("(no files)")

return 0
07070100000014000081A400000000000000000000000165731631000008B5000000000000000000000000000000000000003B00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/finfo.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from drgn import Object
from drgn.helpers.linux.fs import dentry_path
from prettytable import PrettyTable

from crush.commands.common import Command
from crush.helpers.common import try_int

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="finfo", description="Show information about file(s)")
    # TODO: -i for struct inode, -f for struct file
    parser.add_argument(
        "--dentry",
        "-d",
        action="store_true",
        help="Treat input as struct dentry address(es)",
    )
    parser.add_argument("addrs", nargs="*", default=None, help="Memory address(es)")
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

if args.addrs is None and cmd.stdin is None:
        cmd.errln("No input given")
        return -1

addrs = []

if args.addrs is not None:
        for i in args.addrs:
            if i == "-":
                if cmd.stdin is not None:
                    for j in cmd.stdin:
                        if not j == "":
                            addrs.append(try_int(j))
            else:
                addrs.append(try_int(i))
    else:
        if cmd.stdin is not None:
            for i in cmd.stdin:
                if not i == "":
                    addrs.append(try_int(i))

table = PrettyTable()
    table.border = False
    table.align = "l"

if args.dentry:
        table.field_names = ["DENTRY", "INODE", "SUPERBLOCK", "PATH"]

for addr in addrs:
            dentry = Object(cmd.ctx.prog, "struct dentry *", addr)
            inode = dentry.d_inode
            superblock = dentry.d_sb

# TODO: dentry_path() tells nothing if dentry is inotify or UNIX
            #       (or probably any other "virtual" file)
            table.add_row(
                [
                    hex(dentry.value_()),
                    hex(inode.value_()),
                    hex(superblock.value_()),
                    dentry_path(dentry).decode(),
                ]
            )

cmd.println(table.get_string())
    cmd.println("")

return 0
07070100000015000081A400000000000000000000000165731631000002D7000000000000000000000000000000000000003800000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/fn.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from crush.commands.common import Command

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="fn", description="Show given function")
    parser.add_argument("fn", nargs="+", help="function name")
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

for i in args.fn:
        if i == "-" and cmd.stdin is not None:
            for j in cmd.stdin:
                if j != "":
                    cmd.println(cmd.ctx.prog.function(j.strip()))
        else:
            cmd.println(cmd.ctx.prog.function(i))

return 0
07070100000016000081A40000000000000000000000016573163100000767000000000000000000000000000000000000003A00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/help.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from prettytable import PrettyTable

from crush.commands.common import Command, Commands

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="help", description="Show available commands")
    try:
        _ = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

table = PrettyTable()
    table.align = "l"
    table.border = False
    table.header = False

col = 0
    row = []
    for main_cmd, aliases in Commands.items():
        if not aliases:
            row.append(main_cmd)
        else:
            row.append(main_cmd + "(" + ",".join(aliases) + ")")
        col += 1
        if col >= 10:
            table.add_row(row)
            col = 0
            row = []
    if col != 0:
        for _ in range(col, 10):
            row.append("")
        table.add_row(row)

msg = f"""Built-ins available:

{table.get_string()}

To get a help on a specific command type `<command> -h`.

Commands (including built-ins, extensions and external commands) can be piped,
for instance:

\t# this will print the backtraces of all running kernel threads
\tcrush> ps -bKR | bt -

To force the command to be interpreted as an external one, prepend it with `!`,
for instance:

\t# this will execute a system-wide `ps` command, not a built-in
\tcrush> !ps

If an ambiguous command is typed in, for instance, `task_struct` instead of
`type struct task_struct`, or `grep` instead of `!grep`, then `crush` guesses
how to interpret the input in the following order:

\t1. built-in
\t2. struct with address (if one argument is provided)
\t3. variable
\t4. struct without address
\t5. type
\t6. constant
\t7. function
\t8. external command"""

for line in msg.split("\n"):
        cmd.println(line)

return 0
07070100000017000081A40000000000000000000000016573163100000B07000000000000000000000000000000000000003A00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/info.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from datetime import datetime, timezone
from typing import Optional

from drgn.helpers.common.format import number_in_binary_units
from drgn.helpers.linux.cpumask import for_each_online_cpu, for_each_possible_cpu
from drgn.helpers.linux.mm import totalram_pages
from drgn.helpers.linux.pid import for_each_task
from drgn.helpers.linux.sched import loadavg
from prettytable import PrettyTable

from crush.commands.common import Command
from crush.helpers.time import get_timekeeper, get_uptime_ns

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="info", description="Show generic information about vmcore")
    try:
        _ = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

table = PrettyTable()
    table.border = False
    table.header = False

timekeeper = get_timekeeper(cmd.ctx)

# TODO: panic string / task (?), tainted mark

table.add_row(["VMCORE:", cmd.ctx.get_vmcore()])
    table.add_row(["VMLINUX:", cmd.ctx.get_vmlinux()])

timestamp_str = (
        datetime.fromtimestamp(timekeeper.xtime_sec.value_(), timezone.utc)
        .astimezone()
        .strftime("%a %b %e %T %Z %Y")
    )
    table.add_row(["DATE:", timestamp_str])

uptime_ns = get_uptime_ns(cmd.ctx)
    uptime_s = uptime_ns // 1_000_000_000
    days = uptime_s // 86400
    uptime_s -= days * 86400
    hours = uptime_s // 3600
    uptime_s -= hours * 3600
    mins = uptime_s // 60
    secs = uptime_s - mins * 60
    uptime_str = ""
    if days != 0:
        plural = "" if days == 1 else "s"
        uptime_str += f"{days} day{plural}" + ", "
    uptime_str += f"{hours:02}:{mins:02}:{secs:02}"
    table.add_row(["UPTIME:", uptime_str])

table.add_row(["HOSTNAME:", cmd.ctx.prog["init_uts_ns"].name.nodename.string_().decode()])
    table.add_row(["RELEASE:", cmd.ctx.prog["init_uts_ns"].name.release.string_().decode()])
    table.add_row(["VERSION:", cmd.ctx.prog["init_uts_ns"].name.version.string_().decode()])

online_cpus = len(list(for_each_online_cpu()))
    possible_cpus = len(list(for_each_possible_cpu()))
    cpus_line = f"{online_cpus}"
    if online_cpus != possible_cpus:
        cpus_line += " " + f"online, {possible_cpus - online_cpus} offline"

table.add_row(["CPUS:", cpus_line])

totalram = totalram_pages() * cmd.ctx.get_page_size()

table.add_row(["MEMORY:", f"{number_in_binary_units(totalram)}"])
    table.add_row(["TASKS:", f"{len(list(for_each_task()))}"])
    table.add_row(["LOADAVG:", ", ".join(f"{i:.2f}" for i in loadavg())])
    table.add_row(["CONFIG_HZ:", cmd.ctx.get_config_hz()])

table.align["Field 1"] = "r"
    table.align["Field 2"] = "l"

cmd.println(table.get_string())

return 0
07070100000018000081A40000000000000000000000016573163100000908000000000000000000000000000000000000003900000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/lag.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from drgn.helpers.linux.cpumask import for_each_online_cpu
from drgn.helpers.linux.percpu import per_cpu
from prettytable import PrettyTable

from crush.commands.common import Command

def format_timestamp(_field: str, value: str) -> str:
    nsecs = int(value)

if nsecs == -1:
        return "-"

secs = nsecs / 1_000_000_000

return f"{secs:.3f}"

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="lag", description="Show CPU lag information")
    parser.add_argument("--all", "-a", action="store_true", help="show all CPUs regardless of lag")
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

try:
        watchdog_thresh = cmd.ctx.prog["watchdog_thresh"].value_() * 1_000_000_000
    except KeyError:
        # TODO: s390x doesn't have it?
        watchdog_thresh = -1

most_fresh = -1
    most_fresh_cpu = -1
    for cpu in for_each_online_cpu():
        rq_clock = per_cpu(cmd.ctx.prog["runqueues"], cpu).clock.value_()
        if rq_clock > most_fresh:
            most_fresh = rq_clock
            most_fresh_cpu = cpu

cpus = []
    for cpu in for_each_online_cpu():
        rq_clock = per_cpu(cmd.ctx.prog["runqueues"], cpu).clock.value_()
        if cpu == most_fresh_cpu:
            cpus.append([cpu, -1, "most recent"])
        else:
            diff = most_fresh - rq_clock
            if watchdog_thresh != -1:
                lags_too_much = diff / watchdog_thresh > 0.75
                lags_too_little = diff / watchdog_thresh < 0.75
                if args.all or not lags_too_little:
                    cpus.append([cpu, diff, "!!!" if lags_too_much else ""])
            else:
                cpus.append([cpu, diff, ""])

if len(cpus) > 1:
        table = PrettyTable()
        table.border = False
        table.align = "l"
        table.field_names = ["CPU", "LAG, s", "NOTE"]
        table.custom_format["LAG, s"] = format_timestamp

for i in cpus:
            table.add_row(i)

cmd.println(table.get_string(sortby="LAG, s"))
    else:
        cmd.println("No lagging CPUs")

# TODO: also evaluate (hr)timers lag

return 0
07070100000019000081A400000000000000000000000165731631000004BA000000000000000000000000000000000000003A00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/list.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from drgn import Object
from drgn.helpers import ValidationError
from drgn.helpers.linux.list import validate_list_for_each
from prettytable import PrettyTable

from crush.commands.common import Command
from crush.helpers.common import resolve

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="list", description="Iterate over a linked list")
    # TODO: add offset, reverse options
    parser.add_argument("head", help="struct list_head address")
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

table = PrettyTable()
    table.border = False
    table.header = False
    table.align = "l"

addrs = resolve(cmd.ctx, args.head)
    for i in addrs:
        addr = i.get_addr()

list_head = Object(cmd.ctx.prog, "struct list_head *", addr)
        try:
            for j in validate_list_for_each(list_head):
                table.add_row([hex(j.value_())])
        except ValidationError as exc:
            table.add_row([str(exc)])

cmd.println(table.get_string())

return 0
0707010000001A000081A40000000000000000000000016573163100000B1E000000000000000000000000000000000000003B00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/lsmod.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from drgn.helpers.common.format import decode_flags
from drgn.helpers.linux.cpumask import for_each_possible_cpu
from drgn.helpers.linux.list import list_for_each_entry
from drgn.helpers.linux.percpu import per_cpu_ptr
from prettytable import PrettyTable

from crush.commands.common import Command
from crush.helpers.common import contains
from crush.helpers.module import MOD_INIT_TEXT, MOD_TEXT

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="lsmod", description="List loaded modules")
    parser.add_argument("--tainted", "-T", action="store_true", help="show tainting modules only")
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

modules = []

for mod in list_for_each_entry("struct module", cmd.ctx.prog["modules"].address_of_(), "list"):
        if args.tainted and mod.taints == 0:
            continue
        addr = hex(mod.value_())
        name = mod.name.string_().decode()

if contains(mod, "init_layout") and contains(mod, "core_layout"):
            size = (mod.init_layout.size + mod.core_layout.size).value_()
        elif contains(mod, "init_size") and contains(mod, "core_size"):
            size = (mod.init_size + mod.core_size).value_()
        elif contains(mod, "mem"):
            size = (mod.mem[MOD_INIT_TEXT].size + mod.mem[MOD_TEXT].size).value_()
        else:
            raise NotImplementedError("`struct module` layout is not supported")

if contains(mod, "refcnt"):
            refcnt = mod.refcnt.counter.value_() - 1
        elif contains(mod, "refptr"):
            refcnt = 0
            for i in for_each_possible_cpu():
                pmod = per_cpu_ptr(mod.refptr, i)
                refcnt += pmod.incs.value_()
                refcnt -= pmod.decs.value_()
        else:
            raise NotImplementedError("`struct module` layout is not supported")

taints = decode_flags(mod.taints, [("P", 0), ("O", 12), ("U", 13), ("T", 29)])
        used_by = []
        for use in list_for_each_entry(
            "struct module_use", mod.source_list.address_of_(), "source_list"
        ):
            used_by.append(use.source.name.string_().decode())
        modules.append([addr, name, size, refcnt, taints, ", ".join(used_by)])

if modules:
        table = PrettyTable()
        table.border = False
        table.field_names = ["ADDR", "NAME", "SIZE", "REFCNT", "TAINTS", "USED BY"]
        table.align = "l"

for j in modules:
            table.add_row(j)

cmd.println(table.get_string())

return 0

if args.tainted:
        cmd.println("(no tainted modules)")

return 0

cmd.println("(no modules)")

return 0
0707010000001B000081A40000000000000000000000016573163100000EB4000000000000000000000000000000000000003900000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/mem.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from drgn import Object
from drgn.helpers.linux.mm import totalram_pages
from prettytable import PrettyTable

from crush.commands.common import Command

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="mem", description="Show memory information")
    try:
        _ = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

table = PrettyTable()
    table.border = False
    table.field_names = ["", "PAGES", "MiB", "%"]
    table.align = "r"

nr_free_pages_idx = cmd.ctx.prog["NR_FREE_PAGES"]
    if "NR_KERNEL_STACK_KB" in cmd.ctx.prog:
        nr_kernel_stack_idx = cmd.ctx.prog["NR_KERNEL_STACK_KB"]
        nr_kernel_stack_in_kb = True
    elif "NR_KERNEL_STACK" in cmd.ctx.prog:
        nr_kernel_stack_idx = cmd.ctx.prog["NR_KERNEL_STACK"]
        nr_kernel_stack_in_kb = False
    else:
        raise NotImplementedError("Unable to enumerate kernel stack size")

if cmd.ctx.symbol_exists("vm_zone_stat"):
        zone_stats = cmd.ctx.prog["vm_zone_stat"]
    elif cmd.ctx.symbol_exists("vm_stat"):
        zone_stats = cmd.ctx.prog["vm_stat"]
    else:
        cmd.errln("Unable to get VM zone stats")
        return -1

if cmd.ctx.symbol_exists("vm_node_stat"):
        node_stats = cmd.ctx.prog["vm_node_stat"]
    else:
        node_stats = None

page_size = cmd.ctx.get_page_size()

totalram = totalram_pages() * page_size
    totalram_mib = f"{totalram / 2**20:.2f}"

nr_free_pages = zone_stats[nr_free_pages_idx].counter.value_()

nr_free_mib = f"{nr_free_pages * page_size / 2**20:.2f}"
    nr_free_pct = f"{nr_free_pages / totalram_pages() * 100:.2f}"
    nr_used_pages = totalram_pages() - nr_free_pages
    nr_used_mib = f"{nr_used_pages * page_size / 2**20:.2f}"
    nr_used_pct = f"{nr_used_pages / totalram_pages() * 100:.2f}"

# NR_KERNEL_STACK/NR_KERNEL_STACK_KB migrated from zone to node
    # in 991e7673859e, but RHEL 8 kernels are not very consistent with this
    vmstat_text = cmd.ctx.prog.symbol("vmstat_text")
    for i, ptr in enumerate(
        range(vmstat_text.address, vmstat_text.address + vmstat_text.size, cmd.ctx.get_word_size())
    ):
        string = Object(cmd.ctx.prog, "char **", ptr)[0].string_().decode()
        if string == "nr_kernel_stack":
            if i in (9, 16):
                if nr_kernel_stack_in_kb:
                    kernel_stack_kb = zone_stats[nr_kernel_stack_idx].counter.value_()
                    kernel_stack_pages = int(kernel_stack_kb * 2**10 / page_size)
                else:
                    kernel_stack_pages = zone_stats[nr_kernel_stack_idx].counter.value_()
                    kernel_stack_kb = kernel_stack_pages * page_size / 2**10
            elif i in (53, 54, 55):
                kernel_stack_kb = node_stats[nr_kernel_stack_idx].counter.value_()
                kernel_stack_pages = int(kernel_stack_kb * 2**10 / page_size)
            else:
                raise NotImplementedError(f"`nr_kernel_stack` text index is not known: {i}")

nr_kernel_stack_pages = f"{kernel_stack_pages}"
    nr_kernel_stack_mib = f"{kernel_stack_kb / 2**10:.2f}"
    nr_kernel_stack_pct = f"{kernel_stack_pages / totalram_pages() * 100:.2f}"

table.add_row(["TOTAL", totalram_pages(), totalram_mib, ""])
    table.add_row(["USED", nr_used_pages, nr_used_mib, nr_used_pct])
    table.add_row(["FREE", nr_free_pages, nr_free_mib, nr_free_pct])
    table.add_row(["", "", "", ""])
    table.add_row(["KSTACK", nr_kernel_stack_pages, nr_kernel_stack_mib, nr_kernel_stack_pct])

# TODO: add rest from /proc/meminfo

cmd.println(table.get_string())

return 0
0707010000001C000081A400000000000000000000000165731631000004E6000000000000000000000000000000000000003B00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/mount.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from drgn.helpers.linux.fs import for_each_mount, mount_dst, mount_fstype, mount_src
from prettytable import PrettyTable

from crush.commands.common import Command

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="mount", description="Show mountpoints")
    try:
        _ = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

table = PrettyTable()
    table.border = False
    table.align = "l"

table.field_names = ["MOUNT", "SUPER_BLOCK", "TYPE", "DEV", "MOUNTPOINT"]

for mount_struct in for_each_mount():
        mount = hex(mount_struct.value_())
        superblock_ptr = mount_struct.mnt.mnt_sb.value_()
        superblock = hex(superblock_ptr)
        if superblock_ptr != 0:
            mtype = mount_fstype(mount_struct).decode()
            devname = mount_src(mount_struct).decode()
            dirname = mount_dst(mount_struct).decode()
        else:
            mtype = "?"
            devname = "?"
            dirname = "?"
        table.add_row([mount, superblock, mtype, devname, dirname])

cmd.println(table.get_string())

return 0
0707010000001D000081A400000000000000000000000165731631000008C9000000000000000000000000000000000000003A00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/pcpu.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from drgn import Object
from drgn.helpers.linux.cpumask import for_each_online_cpu
from drgn.helpers.linux.percpu import percpu_counter_sum
from prettytable import PrettyTable

from crush.commands.common import Command
from crush.helpers.common import parse_cpu_range, resolve

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(
        prog="pcpu",
        description="""Calculate sum of a per-CPU counter.
        Show per-CPU offsets if no address argument is given""",
    )
    parser.add_argument(
        "--cpu",
        "-C",
        dest="cpu_filters",
        action="extend",
        nargs="+",
        help="show per-CPU offsets for given CPUs only",
    )
    parser.add_argument("address", nargs="?", default=None, help="struct percpu_counter address")
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

if args.address is None:
        cpu_list = []
        if args.cpu_filters:
            for str_arg in args.cpu_filters:
                cpu_list.extend(parse_cpu_range(str_arg))

table = PrettyTable()
        table.align = "l"
        table.border = False
        table.field_names = ["CPU", "OFFSET"]
        table.align["CPU"] = "r"  # type: ignore

for cpu in for_each_online_cpu():
            if cpu_list and cpu not in cpu_list:
                continue
            table.add_row([cpu, hex(cmd.ctx.prog["__per_cpu_offset"][cpu].value_())])

cmd.println(table.get_string())

return 0

addrs = []
    if args.address == "-" and cmd.stdin is not None:
        for i in cmd.stdin:
            if i != "":
                addrs += resolve(cmd.ctx, i.strip())
    else:
        addrs = resolve(cmd.ctx, args.address)

table = PrettyTable()
    table.align = "r"
    table.border = False
    table.header = False

for addr in addrs:
        vaddr = addr.get_addr()
        fbc = Object(cmd.ctx.prog, "struct percpu_counter *", vaddr)
        pcpu_sum = percpu_counter_sum(fbc)
        table.add_row([hex(vaddr) + ":", pcpu_sum])

cmd.println(table.get_string())

return 0
0707010000001E000081A40000000000000000000000016573163100003439000000000000000000000000000000000000003800000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/ps.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Dict, List, Optional

from drgn import Object
from drgn.helpers.linux.mm import totalram_pages
from drgn.helpers.linux.percpu import per_cpu
from prettytable import PrettyTable

from crush.commands.common import Command
from crush.context import Context
from crush.helpers.common import parse_cpu_range
from crush.helpers.sched import (
    is_active,
    is_group_leader,
    is_kthread,
    task_cpu,
    task_niceval,
    task_policy_to_str,
    task_rss,
    task_rtprio,
    task_state_to_char,
    tasks_from_stdin,
)

PS_MEM_NO_MM = -1
PS_MEM_KTHREAD_OR_UTHREAD = -2

def is_eligible(
    ctx: Object,
    task: Object,
    tasks: List[Object],
    cpu_list: List[int],
    active_filters: List[str],
    state_filters: List[str],
    policy_filters: List[str],
    space_filters: List[str],
    other_filters: List[str],
) -> bool:
    cpu = task_cpu(task)
    active = is_active(ctx, task)
    state = task_state_to_char(task)
    policy = task_policy_to_str(task)

if task not in tasks:
        return False

if cpu_list and cpu not in cpu_list:
        return False

if active_filters and not active:
        return False

if state_filters and state not in state_filters:
        return False

if policy_filters and policy not in policy_filters:
        return False

if space_filters and not (
        ("K" in space_filters and is_kthread(task))
        or ("U" in space_filters and not is_kthread(task))
    ):
        return False

if other_filters and not ("G" in other_filters and is_group_leader(task)):
        return False

return True

def populate(
    ctx: Context, table: PrettyTable, task: Object, group_leader_eligible: bool, bare: bool
) -> None:
    taskp = hex(task.value_())

if bare:
        table.add_row([taskp])
    else:
        pid = task.pid.value_()
        ppid = task.real_parent.pid.value_()
        policy = task_policy_to_str(task)
        rt_prio = task_rtprio(task)
        nice_val = task_niceval(task)
        comm = task.comm.string_().decode()
        cpu = task_cpu(task)
        rq_clock = per_cpu(ctx.prog["runqueues"], cpu).clock.value_()
        task_clock = task.sched_info.last_arrival.value_()
        time = rq_clock - task_clock
        state = task_state_to_char(task)
        state += "X" if is_active(ctx, task) else ""
        mm_struct = task.mm
        if not is_kthread(task) and (
            is_group_leader(task) or (not is_group_leader(task) and not group_leader_eligible)
        ):
            rss: Optional[int] = task_rss(task)
            if rss is None:
                rss = PS_MEM_NO_MM
                vsz = PS_MEM_NO_MM
                pmem = float(PS_MEM_NO_MM)
            else:
                page_size = ctx.get_page_size()
                rss *= page_size
                pmem = rss / (totalram_pages() * ctx.get_page_size()) * 100
                vsz = mm_struct.total_vm.value_() * page_size
        else:
            rss = PS_MEM_KTHREAD_OR_UTHREAD
            vsz = PS_MEM_KTHREAD_OR_UTHREAD
            pmem = float(PS_MEM_KTHREAD_OR_UTHREAD)
        tcomm = comm
        if not is_group_leader(task) and group_leader_eligible:
            tcomm = "+-" + comm
        if rt_prio != 0:
            prio = str(rt_prio)
            nice = "-"
        else:  # rt_prio == 0 means running on CFS, hence nice value applies
            prio = "-"
            nice = str(nice_val)
        table.add_row(
            [time, pid, ppid, cpu, policy, prio, nice, taskp, state, pmem, rss, vsz, tcomm]
        )

def sort_int(val: List[str]) -> int:
    try:
        return int(val[0])
    except ValueError:
        return 0

def format_timestamp(_field: str, value: str) -> str:
    nsecs = int(value)

msecs = nsecs // 1_000_000

days = msecs // 86_400_000
    msecs %= 86_400_000

hours = msecs // 3_600_000
    msecs %= 3_600_000

mins = msecs // 60_000
    msecs %= 60_000

secs = msecs // 1_000
    msecs %= 1_000

return f"[{days: 4d} {hours:02d}:{mins:02d}:{secs:02d}.{msecs:03d}]"

def format_memory(_field: str, value: str) -> str:
    if value == PS_MEM_NO_MM:
        return "-"

if value == PS_MEM_KTHREAD_OR_UTHREAD:
        return ""

return str(int(value) // 1_024)

def format_memory_pct(_field: str, value: str) -> str:
    if value == float(PS_MEM_NO_MM):
        return "-"

if value == float(PS_MEM_KTHREAD_OR_UTHREAD):
        return ""

return f"{value:.2f}"

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="ps", description="Show information on processes")
    parser.add_argument(
        "pid", nargs="*", default=None, help="PID or struct task_struct address(es)"
    )
    # modifiers
    parser.add_argument("--summary", "-s", action="store_true", help="show task states summary")
    parser.add_argument(
        "--bare",
        "-b",
        action="store_true",
        help="show struct task_struct pointers only",
    )
    parser.add_argument(
        "--by-rss",
        "-r",
        action="store_true",
        help="sort tasks by RSS usage (implies -U and -G)",
    )
    parser.add_argument(
        "--by-vsz",
        "-v",
        action="store_true",
        help="sort tasks by VSZ usage (implies -U and -G)",
    )
    parser.add_argument(
        "--by-time",
        "-t",
        action="store_true",
        help="sort tasks by runqueue timestamp",
    )
    # filters
    # - cpu
    parser.add_argument(
        "--cpu",
        "-C",
        dest="cpu_filters",
        action="extend",
        nargs="+",
        help="show tasks assigned to a CPU",
    )
    # - active
    parser.add_argument(
        "--active",
        "-X",
        dest="active_filters",
        action="append_const",
        const="X",
        help="show active tasks",
    )
    # - state
    parser.add_argument(
        "--running",
        "-R",
        dest="state_filters",
        action="append_const",
        const="R",
        help="show running tasks",
    )
    parser.add_argument(
        "--sleeping",
        "-S",
        dest="state_filters",
        action="append_const",
        const="S",
        help="show tasks in interruptible sleep",
    )
    parser.add_argument(
        "--disksleep",
        "-D",
        dest="state_filters",
        action="append_const",
        const="D",
        help="show tasks in uninterruptible sleep",
    )
    parser.add_argument(
        "--zombie",
        "-Z",
        dest="state_filters",
        action="append_const",
        const="Z",
        help="show zombie tasks",
    )
    parser.add_argument(
        "--parked",
        "-P",
        dest="state_filters",
        action="append_const",
        const="P",
        help="show parked tasks",
    )
    parser.add_argument(
        "--idle",
        "-I",
        dest="state_filters",
        action="append_const",
        const="I",
        help="show idle tasks",
    )
    parser.add_argument(
        "--waking",
        "-W",
        dest="state_filters",
        action="append_const",
        const="W",
        help="show waking tasks",
    )
    parser.add_argument(
        "--wakekill",
        "-A",
        dest="state_filters",
        action="append_const",
        const="A",
        help="show wakekill tasks",
    )
    # - sched policy
    parser.add_argument(
        "--normal",
        "-N",
        dest="policy_filters",
        action="append_const",
        const="OT",
        help="show SCHED_OTHER tasks",
    )
    parser.add_argument(
        "--fifo",
        "-F",
        dest="policy_filters",
        action="append_const",
        const="FF",
        help="show SCHED_FIFO tasks",
    )
    parser.add_argument(
        "--rr",
        "-O",
        dest="policy_filters",
        action="append_const",
        const="RR",
        help="show SCHED_RR tasks",
    )
    parser.add_argument(
        "--batch",
        "-B",
        dest="policy_filters",
        action="append_const",
        const="BA",
        help="show SCHED_BATCH tasks",
    )
    parser.add_argument(
        "--pidle",
        "-L",
        dest="policy_filters",
        action="append_const",
        const="ID",
        help="show SCHED_IDLE tasks",
    )
    parser.add_argument(
        "--deadline",
        "-E",
        dest="policy_filters",
        action="append_const",
        const="DL",
        help="show SCHED_DEADLINE tasks",
    )
    # - kernel/user
    parser.add_argument(
        "--kernel",
        "-K",
        dest="space_filters",
        action="append_const",
        const="K",
        help="show kernel tasks only",
    )
    parser.add_argument(
        "--user",
        "-U",
        dest="space_filters",
        action="append_const",
        const="U",
        help="show userspace tasks only",
    )
    # - other
    parser.add_argument(
        "--group-leader",
        "-G",
        dest="other_filters",
        action="append_const",
        const="G",
        help="hide userspace threads",
    )

try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

sorting = args.by_rss + args.by_vsz + args.by_time
    if sorting > 1:
        cmd.errln("Incompatible arguments")
        return -1

if args.bare and sorting:
        cmd.errln("Incompatible arguments")
        return -1

if args.by_rss or args.by_vsz:
        args.group_leader = True
        if not args.other_filters:
            args.other_filters = []
        args.other_filters.append("G")

args.user = True
        if not args.space_filters:
            args.space_filters = []
        args.space_filters.append("U")

if (
        args.cpu_filters
        or args.active_filters
        or args.state_filters
        or args.policy_filters
        or args.space_filters
        or args.other_filters
    ) and args.summary:
        cmd.errln("Incompatible arguments")
        return -1

cpu_list = []
    if args.cpu_filters:
        for str_arg in args.cpu_filters:
            cpu_list.extend(parse_cpu_range(str_arg))

tasks = tasks_from_stdin(cmd.ctx, args.pid, cmd.stdin, True)

if args.summary:
        states = {}
        for task in tasks:
            state = task_state_to_char(task)
            if state not in states:
                states[state] = 0
            states[state] += 1

table = PrettyTable()
        table.header = False
        table.border = False
        for state_char, task_count in states.items():
            table.add_row([state_char + ":", task_count])
        table.align = "l"
        cmd.println(table.get_string())
    else:
        table = PrettyTable()
        table.border = False
        if args.bare:
            table.header = False
        else:
            table.field_names = [
                "TIME",
                "PID",
                "PPID",
                "CPU",
                "SP",
                "PRIO",
                "NICE",
                "TASK",
                "ST",
                "%MEM",
                "RSS",
                "VSZ",
                "COMM",
            ]
        table.align = "l"
        # pylint: disable=unsupported-assignment-operation
        table.align["PRIO"] = "r"  # type: ignore
        table.align["NICE"] = "r"  # type: ignore
        # pylint: enable=unsupported-assignment-operation

table.custom_format["TIME"] = format_timestamp
        table.custom_format["%MEM"] = format_memory_pct
        table.custom_format["RSS"] = format_memory
        table.custom_format["VSZ"] = format_memory

tgids: Dict[int, List] = {}
        for task in tasks:
            if task is None:
                continue
            tgidh = task.group_leader.value_()
            if tgidh not in tgids:
                tgids[tgidh] = []
            if task.group_leader == task:
                continue
            tgids[tgidh].append(task)

for task_address, threads in tgids.items():
            task = Object(cmd.ctx.prog, "struct task_struct *", task_address)
            group_leader_eligible = is_eligible(
                cmd.ctx,
                task,
                tasks,
                cpu_list,
                args.active_filters,
                args.state_filters,
                args.policy_filters,
                args.space_filters,
                args.other_filters,
            )
            if group_leader_eligible:
                populate(cmd.ctx, table, task, True, args.bare)

for thread in threads:
                if is_eligible(
                    cmd.ctx,
                    thread,
                    tasks,
                    cpu_list,
                    args.active_filters,
                    args.state_filters,
                    args.policy_filters,
                    args.space_filters,
                    args.other_filters,
                ):
                    populate(cmd.ctx, table, thread, group_leader_eligible, args.bare)

if args.by_rss:
            sortby = "RSS"
        elif args.by_vsz:
            sortby = "VSZ"
        elif args.by_time:
            sortby = "TIME"
        else:
            sortby = None

cmd.println(table.get_string(sortby=sortby, sort_key=sort_int))

return 0
0707010000001F000081A4000000000000000000000001657316310000149D000000000000000000000000000000000000003800000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/rd.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Dict, List, Optional

from prettytable import PrettyTable

from crush.commands.common import Command
from crush.context import Context
from crush.helpers.common import Address, bin2ascii, demangle, resolve, wreg

def read_content(
    ctx: Context,
    addrs: List[Address],
    size: int,
    word_size: Optional[int],
    phys: bool,
    stringify: bool,
    symbolify: bool,
) -> List[List]:
    val = []

if word_size is None:
        word_size = ctx.get_word_size()

for i in addrs:
        addr = i.get_addr()

word: List[Dict] = []
        if stringify:
            word_str = []
        addr_to_show = None
        steps = range(0, int(size))
        for j in steps:
            addr_to_read = addr + j * word_size
            if addr_to_show is None:
                addr_to_show = addr_to_read
            match word_size:
                case 1:
                    word_raw = ctx.prog.read_u8(addr_to_read, physical=phys)
                case 2:
                    word_raw = ctx.prog.read_u16(addr_to_read, physical=phys)
                case 4:
                    word_raw = ctx.prog.read_u32(addr_to_read, physical=phys)
                case 8:
                    word_raw = ctx.prog.read_u64(addr_to_read, physical=phys)
                case _:
                    raise ValueError(f"Unexpected word size: {word_size}")
            if symbolify:
                symbolic = demangle(ctx, word_raw)
                if symbolic is not None:
                    word.append({"resolved": True, "qual": symbolic})
                else:
                    word.append({"resolved": False, "qual": word_raw})
            else:
                word.append({"resolved": False, "qual": word_raw})
            if stringify:
                raw = ctx.prog.read(addr_to_read, word_size, physical=phys)
                word_str.append(bin2ascii(raw))
            if len(word) == 2 or j == steps[-1]:
                if word[0]["resolved"]:
                    row = [hex(addr_to_show) + ":", word[0]["qual"]]
                else:
                    content = word[0]["qual"]
                    row = [
                        hex(addr_to_show) + ":",
                        wreg(ctx, content, word_size, False),
                    ]
                if len(word) == 2:
                    if word[1]["resolved"]:
                        row += [word[1]["qual"]]
                    else:
                        content = word[1]["qual"]
                        row += [wreg(ctx, content, word_size, False)]
                elif j == steps[-1]:
                    row += [""]
                if stringify:
                    text = word_str[0]
                    if len(word) == 2:
                        text += word_str[1]
                    row += [text]
                else:
                    row += [""]

val.append(row)

word = []
                if stringify:
                    word_str = []
                addr_to_show = None

return val

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="rd", description="Read a content of memory")
    parser.add_argument(
        "-s",
        "--stringify",
        action="store_true",
        help="try to convert binary data into ASCII",
    )
    parser.add_argument(
        "-S",
        "--symbolify",
        action="store_true",
        help="try to resolve addresses into symbols",
    )
    parser.add_argument(
        "-p", "--physical", action="store_true", help="treat memory address as physical"
    )
    parser.add_argument(
        "-8",
        "--byte",
        dest="word_size",
        action="store_const",
        const=1,
        help="word size is 1 byte",
    )
    parser.add_argument(
        "-16",
        "--two-bytes",
        dest="word_size",
        action="store_const",
        const=2,
        help="word size is 2 byte",
    )
    parser.add_argument(
        "-32",
        "--four-bytes",
        dest="word_size",
        action="store_const",
        const=4,
        help="word size is 4 byte",
    )
    parser.add_argument(
        "-64",
        "--eight-bytes",
        dest="word_size",
        action="store_const",
        const=8,
        help="word size is 8 byte",
    )
    parser.add_argument("address", help="memory address to read from")
    parser.add_argument("size", nargs="?", default=1, help="amount of words to read")
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

buf = read_content(
        cmd.ctx,
        addrs,
        args.size,
        args.word_size,
        args.physical,
        args.stringify,
        args.symbolify,
    )

table = PrettyTable()
    table.border = False
    table.header = False
    table.align = "l"

for i in buf:
        table.add_row(i)

table.max_width = 40
    cmd.println(table.get_string())

return 0
07070100000020000081A40000000000000000000000016573163100000A03000000000000000000000000000000000000003C00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/search.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from math import ceil
from typing import Optional

from drgn.helpers.linux.pid import for_each_task
from prettytable import PrettyTable

from crush.commands.common import Command
from crush.commands.rd import read_content
from crush.helpers.common import Address
from crush.helpers.sched import task_header

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="search", description="Search for memory content")
    parser.add_argument(
        "-s",
        "--stringify",
        action="store_true",
        help="try to convert binary data into ASCII",
    )
    parser.add_argument(
        "-S",
        "--symbolify",
        action="store_true",
        help="try to resolve addresses into symbols",
    )
    # TODO: search works on task stacks by default
    #       since full memory search is barely usable due to speed
    # TODO: other goodies from crash-util: search throughout all the memory,
    #       physical address, mask etc
    parser.add_argument("value", help="hex sequence to search for")
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

# TODO: also account for leading zeroes
    what = int(args.value, 16)
    length = ceil(len(hex(what)[2:]) / 2)

for task in for_each_task():
        stack_address = task.stack
        # TODO: no stack size hardcoding
        stack_size = 0x4000

stack = cmd.ctx.prog.read(stack_address, stack_size)

contents = []

# TODO: little vs big
        # use struct instead of .to_bytes() maybe?
        offset = stack.find(what.to_bytes(length, "little"))
        while not offset == -1:
            content = read_content(
                cmd.ctx,
                [Address(None, None, stack_address + offset)],
                1,
                None,
                False,
                args.stringify,
                args.symbolify,
            )

# TODO: this won't show what's found in real time
            contents.append(content[0])

offset = stack.find(what.to_bytes(length, "little"), offset + 1)

if contents:
            cmd.println(task_header(task))

table = PrettyTable()
            table.border = False
            table.header = False
            table.align = "r"

for content in contents:
                table.add_row(content)

cmd.println(table.get_string())
            cmd.println("")

return 0
07070100000021000081A40000000000000000000000016573163100000379000000000000000000000000000000000000003900000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/set.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from crush.commands.common import Command
from crush.helpers.sched import task_handle_to_task, task_header

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="set", description="Set internal variables")
    parser.add_argument("pid", nargs="?", default=None, help="set context to a given task")
    parser.add_argument("--panic", "-p", action="store_true", help="set context to a panic task")
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

if args.pid is not None:
        cmd.ctx.current = task_handle_to_task(cmd.ctx, args.pid)
    elif args.panic:
        cmd.ctx.current = cmd.ctx.prog.crashed_thread().object

cmd.println(task_header(cmd.ctx.current))

return 0
07070100000022000081A40000000000000000000000016573163100000BF1000000000000000000000000000000000000003B00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/slabs.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional, Union

from drgn import Object, cast
from drgn.helpers.linux.list import list_for_each_entry
from drgn.helpers.linux.nodemask import for_each_online_node
from drgn.helpers.linux.slab import for_each_slab_cache
from prettytable import PrettyTable

from crush.commands.common import Command
from crush.helpers.common import contains

OO_SHIFT = 16

def sort_slabs(val: str) -> Union[int, str]:
    try:
        return int(val[0][:-1])
    except ValueError:
        return val

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="slabs", description="Show information about SLAB subsystem")
    parser.add_argument("--by-name", "-n", action="store_true", help="sort by name")
    parser.add_argument("--by-size", "-s", action="store_true", help="sort by memory usage")
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

if args.by_name:
        sortby = "NAME"
    elif args.by_size:
        sortby = "MEM"
    else:
        sortby = None

table = PrettyTable()
    table.border = False
    table.align = "r"
    table.field_names = [
        "NAME",
        "KMEM_CACHE",
        "OBJSIZE",
        "ALLOCATED",
        "TOTAL",
        "SLABS",
        "SSIZE",
        "MEM",
    ]

page_size = cmd.ctx.get_page_size()

# upstream kernel commit 4da1984edb
    struct_page = Object(cmd.ctx.prog, "struct page *", 0)
    if contains(struct_page, "next"):
        # RHEL 7
        slab_list_member = "next"
    elif contains(struct_page, "slab_list"):
        # RHEL 8, 9
        slab_list_member = "slab_list"
    elif contains(struct_page, "lru"):
        # v6.2
        slab_list_member = "lru"

for slab in for_each_slab_cache():
        addr = hex(slab.value_())
        objsize = slab.object_size.value_()
        name = slab.name.string_().decode()
        slabs = 0
        total = 0
        free = 0
        for node in for_each_online_node():
            slabs += slab.node[node].nr_slabs.counter.value_()
            total += slab.node[node].total_objects.counter.value_()
            # TODO: needs verification
            for page in list_for_each_entry(
                "struct page", slab.node[node].partial.address_of_(), slab_list_member
            ):
                if contains(page, "objects"):
                    free += page.objects.value_() - page.inuse.value_()
                else:
                    struct_slab = cast("struct slab *", page)
                    free += struct_slab.objects.value_() - struct_slab.inuse.value_()
        allocated = total - free
        ssize_bytes = 2 ** (slab.oo.x.value_() >> OO_SHIFT) * page_size
        ssize = str(ssize_bytes // 2**10) + "k"
        mem = str(slabs * ssize_bytes // 2**10) + "k"

table.add_row([name, addr, objsize, allocated, total, slabs, ssize, mem])

cmd.println(table.get_string(sortby=sortby, sort_key=sort_slabs))

return 0
07070100000023000081A400000000000000000000000165731631000010E0000000000000000000000000000000000000003C00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/struct.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from drgn import Object

from crush.commands.common import Command
from crush.helpers.common import resolve

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="struct", description="Show a content of a given structure")
    parser.add_argument("-a", "--member-address", action="store_true", help="show member address")
    parser.add_argument(
        "-d",
        "--no-dereference",
        action="store_true",
        help="do not dereference leaf pointer",
    )
    parser.add_argument(
        "-s", "--no-struct-type", action="store_true", help="do not show struct type"
    )
    parser.add_argument(
        "-t",
        "--member-types",
        action="store_true",
        help="show struct member types",
    )
    parser.add_argument(
        "-Y",
        "--do-not-symbolify",
        action="store_true",
        help="do not resolve addresses into symbols",
    )
    parser.add_argument("structure", help="structure name")
    parser.add_argument("address", help="structure address")
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

struct_name = args.structure.split(".")[0]
    struct_members = ".".join(args.structure.split(".")[1:]).split(",")

addrs = []
    if args.address == "-" and cmd.stdin is not None:
        for i in cmd.stdin:
            if not i == "":
                addrs += resolve(cmd.ctx, i.strip())
    else:
        addrs = resolve(cmd.ctx, args.address)

for addr in addrs:
        struct_addr = addr.get_addr()
        struct = Object(cmd.ctx.prog, f"struct {struct_name} *", struct_addr)

struct_prefix = ""
        # prepend per-CPU info
        if addr.is_percpu():
            struct_prefix = f"[{addr.get_cpu()}]:" + " "

if struct_members == [""]:
            # dump the whole struct if no struct members are specified
            # TODO: is no_dereference actually useful here?
            #       how to make members not to be dereferenced,
            #       but still dereference the outer struct?
            struct_str = struct.format_(
                dereference=not args.no_dereference,
                symbolize=not args.do_not_symbolify,
                type_name=not args.no_struct_type,
                member_type_names=args.member_types,
            )
            cmd.println(f"{struct_prefix}{struct_str}")
        else:
            # dump struct type (if not asked otherwise) and address
            if args.no_struct_type:
                cmd.println(f"{struct_prefix}*0x{struct_addr:x} = " + "{")
            else:
                cmd.println(f"{struct_prefix}*({struct.type_})0x{struct_addr:x} = " + "{")

# go through supplied struct members
            for member in struct_members:
                leaf = struct
                leaf_path_steps = []
                for step in member.split("."):
                    # dig through nested struct members
                    leaf = leaf.member_(step)
                    leaf_path_steps.append(step)

leaf_prefix = ""
                # dump struct member address within the struct
                if args.member_address:
                    leaf_prefix = f"[0x{leaf.address_:x}]" + " "

# dump a path to a nested struct member
                leaf_path = ".".join(leaf_path_steps)

# dump the struct member
                # note that both type name and member type names depend on args.member_types
                # as these are struct members, not the outer struct itself
                leaf_suffix = leaf.format_(
                    dereference=not args.no_dereference,
                    symbolize=not args.do_not_symbolify,
                    type_name=args.member_types,
                    member_type_names=args.member_types,
                )

# shape the struct member line
                leaf_str = f"{leaf_prefix}.{leaf_path} = {leaf_suffix}"

# indent struct members
                for leaf_line in leaf_str.split("\n"):
                    cmd.println(f"\t{leaf_line}")

# close the struct
            cmd.println("}")

return 0
07070100000024000081A400000000000000000000000165731631000006C7000000000000000000000000000000000000003A00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/swap.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from drgn.helpers.linux.fs import d_path
from prettytable import PrettyTable

from crush.commands.common import Command

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="swap", description="Show swap information")
    try:
        _ = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

nr_swapfiles = cmd.ctx.prog["nr_swapfiles"]
    swap_info = cmd.ctx.prog["swap_info"]
    page_size = cmd.ctx.get_page_size()

swaps = []

for i in range(0, nr_swapfiles):
        swap_info_struct = swap_info[i]
        swap_info_struct_addr = hex(swap_info_struct.value_())
        flags = hex(swap_info_struct.flags)
        prio = swap_info_struct.prio.value_()
        total = swap_info_struct.pages.value_() * page_size
        total_mib = f"{total / 2**20:.2f}"
        inuse = swap_info_struct.inuse_pages.value_() * page_size
        inuse_mib = f"{inuse / 2**20:.2f}"
        pct_used = f"{inuse / total * 100:.2f}"
        file = d_path(swap_info_struct.swap_file.f_path).decode()
        swaps.append([swap_info_struct_addr, flags, prio, total_mib, inuse_mib, pct_used, file])

if swaps:
        table = PrettyTable()
        table.border = False
        table.field_names = [
            "swap_info_struct",
            "FLAGS",
            "PRIO",
            "TOTAL, MiB",
            "IN USE, MiB",
            "% USED",
            "FILE",
        ]
        table.align = "r"

for j in swaps:
            table.add_row(j)

cmd.println(table.get_string())

return 0

cmd.println("(no swap)")

return 0
07070100000025000081A40000000000000000000000016573163100000597000000000000000000000000000000000000003900000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/sym.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from crush.commands.common import Command
from crush.helpers.common import demangle, resolve, try_int

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="sym", description="Show information on a given symbol")
    parser.add_argument("sym", nargs="+", help="symbol name or address")
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

syms = []
    for i in args.sym:
        if i == "-" and cmd.stdin is not None:
            for j in cmd.stdin:
                if j != "":
                    syms.append(j)
        else:
            syms.append(i)

for i in syms:
        val = try_int(i)
        if val is None:
            addrs = resolve(cmd.ctx, i)
            for j in addrs:
                addr = j.get_addr()
                sym_str = hex(addr)
                try:
                    sym_str += "," + " " + repr(cmd.ctx.prog.symbol(i))
                except LookupError:
                    # TODO: a more elegant way to handle per-CPU variables like `cpu_info`?
                    pass
                cmd.println(sym_str)
        else:
            sym = demangle(cmd.ctx, val)
            if sym is not None:
                cmd.println(sym + "," + " " + repr(cmd.ctx.prog.symbol(val)))

return 0
07070100000026000081A400000000000000000000000165731631000004B3000000000000000000000000000000000000003B00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/taint.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from drgn.helpers.common.format import decode_flags

from crush.commands.common import Command

taint_flags = [
    ("PROPRIETARY_MODULE", 0),
    ("FORCED_MODULE", 1),
    ("CPU_OUT_OF_SPEC", 2),
    ("FORCED_RMMOD", 3),
    ("MACHINE_CHECK", 4),
    ("BAD_PAGE", 5),
    ("USER", 6),
    ("DIE", 7),
    ("OVERRIDDEN_ACPI_TABLE", 8),
    ("WARN", 9),
    ("CRAP", 10),
    ("FIRMWARE_WORKAROUND", 11),
    ("OOT_MODULE", 12),
    ("UNSIGNED_MODULE", 13),
    ("SOFTLOCKUP", 14),
    ("LIVEPATCH", 15),
    ("AUX", 16),
    ("RANDSTRUCT", 17),
    ("HARDWARE_UNSUPPORTED", 28),
    ("TECH_PREVIEW", 29),
]

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="taint", description="Show and decode tainting flags")
    try:
        _ = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

tainted_mask = cmd.ctx.prog["tainted_mask"].value_()
    if tainted_mask == 0:
        cmd.println("(not tainted)")
        return 0

cmd.println(hex(tainted_mask) + ": " + decode_flags(tainted_mask, taint_flags))

return 0
07070100000027000081A40000000000000000000000016573163100000613000000000000000000000000000000000000003A00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/tree.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from drgn import Object

# from drgn.helpers.linux.radixtree import radix_tree_for_each
from drgn.helpers.linux.rbtree import rbtree_inorder_for_each
from prettytable import PrettyTable

from crush.commands.common import Command
from crush.helpers.common import resolve

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="tree", description="Iterate over a tree")
    parser.add_argument("-t", "--type", choices=["ra", "rb"], help="tree type")
    # TODO: add offset, reverse options, xarray, rb_node as starting point
    parser.add_argument("root", help="root address")
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

table = PrettyTable()
    table.border = False
    table.header = False
    table.align = "l"

addrs = resolve(cmd.ctx, args.root)
    for i in addrs:
        addr = i.get_addr()

if args.type == "ra":
            # TODO: needs verification
            pass
        #            radix_tree_root = Object(cmd.ctx.prog, "struct radix_tree_root *", addr)
        #            for i in radix_tree_for_each(radix_tree_root):
        #                print(i)
        elif args.type == "rb":
            rb_root = Object(cmd.ctx.prog, "struct rb_root *", addr)
            for j in rbtree_inorder_for_each(rb_root):
                table.add_row([hex(j.value_())])

cmd.println(table.get_string())

return 0
07070100000028000081A40000000000000000000000016573163100000637000000000000000000000000000000000000003A00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/type.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from crush.commands.common import Command

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="type", description="Show information about a given type")
    parser.add_argument("type", nargs="+", help="type of interest")
    try:
        _ = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

type_def = " ".join(cmd.argv[1:])
    type_name = type_def.split(".", maxsplit=1)[0]
    type_members = ".".join(type_def.split(".")[1:]).split(",")
    for i in type_members:
        type_struct = cmd.ctx.prog.type(type_name)
        offset = 0
        path = []
        if not i == "":
            for j in i.split("."):
                found = False
                for k in type_struct.members:
                    if k.name == j:
                        path.append(k.name)
                        type_struct = k.type
                        offset += k.bit_offset
                        found = True
                        break
                if not found:
                    cmd.errln(f"Member `.{j}` of `{type_name}` doesn't exist")
                    return -1
        if path:
            cmd.println(
                "["
                + hex(int(offset / 8))
                + "]"
                + " "
                + str(type_struct)
                + " "
                + "."
                + ".".join(path)
            )
        else:
            cmd.println(type_struct)

return 0
07070100000029000081A400000000000000000000000165731631000001F4000000000000000000000000000000000000003B00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/uname.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from crush.commands.common import Command

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="uname", description="Show kernel version information")
    try:
        _ = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

cmd.println(cmd.ctx.prog["linux_banner"].string_().decode().replace("\n", ""))

return 0
0707010000002A000081A40000000000000000000000016573163100000876000000000000000000000000000000000000003900000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/var.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from drgn import FaultError, TypeKind
from drgn.helpers.linux.percpu import per_cpu

from crush.commands.common import Command
from crush.helpers.common import parse_cpu_range

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="var", description="Show a content of a given variable")
    parser.add_argument("-x", "--hex", action="store_true", help="show value in hex")
    parser.add_argument("var", help="variable name")
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

# TODO: can this code be merged with resolve() helper?

if ":" in args.var:
        varname, cpu = args.var.split(":")
        cpu = parse_cpu_range(cpu)
    else:
        varname = args.var
        cpu = None

variable = cmd.ctx.prog.variable(varname)
    kind = variable.type_.kind

match kind:
        case TypeKind.INT:
            if cpu is not None:
                for i in cpu:
                    val = per_cpu(variable, i)
                    if args.hex:
                        cmd.println(hex(val))
                    else:
                        cmd.println(val)
            else:
                val = variable.value_()
                if args.hex:
                    cmd.println(hex(val))
                else:
                    cmd.println(val)
        case TypeKind.ARRAY:
            elemtype = variable[0].type_.kind
            match elemtype:
                case TypeKind.INT:
                    match variable[0].type_.name:
                        case "char":
                            cmd.println(variable.string_().decode())
                        case _:
                            cmd.println(str(variable))
                case TypeKind.POINTER:
                    try:
                        cmd.println(variable)
                    except FaultError:
                        # TODO: array of struct pointers
                        cmd.println(repr(variable))
        case _:
            cmd.println(variable)

return 0
0707010000002B000081A40000000000000000000000016573163100000545000000000000000000000000000000000000003A00000000crush-2023.0.dev1702041137+8ae4b21/crush/commands/vtop.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from drgn.helpers.linux.mm import (
    follow_page,
    follow_phys,
    page_to_pfn,
    page_to_phys,
    vmalloc_to_page,
)
from prettytable import PrettyTable

from crush.commands.common import Command

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="vtop", description="Translate virtual address to a physical one")
    parser.add_argument(
        "--user", "-u", action="store_true", help="treat address as a userspace one"
    )
    parser.add_argument("address", help="virtual address")
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

table = PrettyTable()
    table.align = "r"
    table.border = False
    table.header = False

addr = int(args.address, 16)
    if args.user:
        page = follow_page(cmd.ctx.current.mm, addr)
        phys = follow_phys(cmd.ctx.current.mm, addr)
    else:
        page = vmalloc_to_page(addr)
        phys = page_to_phys(page) | (addr & ((1 << cmd.ctx.prog["PAGE_SHIFT"]) - 1))
    pfn = page_to_pfn(page)

table.add_row(["PAGE", hex(page.value_())])
    table.add_row(["PFN", hex(pfn)])
    table.add_row(["PHYS", hex(phys)])

cmd.println(table.get_string())

return 0
0707010000002C000081A400000000000000000000000165731631000011A7000000000000000000000000000000000000003400000000crush-2023.0.dev1702041137+8ae4b21/crush/context.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from typing import Dict, List, Optional

from drgn import PlatformFlags, Program, set_default_prog
from drgn.helpers.linux.kconfig import get_kconfig

class Context:
    """
    Represents a crush context which contains drgn prog, current task, debug information and
    symbols cache.

Attributes
    ----------
    prog: drgn.Program
        reference to drgn prog
    current: drgn.Object
        reference to a current task
    vmcore: str
        path to a vmcore file
    debug_info: List[str]
        list of files containing debug symbols
    debug_mode: bool
        indicates if extra debugging output is enabled
    symcache: Dict[int, Optional[str]]
        cache of virtual address mappings to their symbolic names + offset
    page_size: int
        size of one page in bytes
    modcache: Dict[int, Optional[str]]
        cache of virtual address mappings to their module names
    word_size: int
        the size of the word on this platform
    config_hz: int
        CONFIG_HZ value

Methods
    -------
    in_symcache(addr):
        Checks if a symbolic representation of a given address is in cache
    get_from_symcache(addr):
        Gets a symbolic representation of a given address from cache
    put_to_symcache(addr, val):
        Puts a symbolic representation of a given address to cache
    get_page_size():
        Returns a page size
    in_modcache(addr):
        Checks if a module name that corresponds to a given address is in cache
    get_from_modcache(addr):
         Gets a module name that corresponds to a given address from cache
    put_to_modcache(addr, val):
        Puts a module name that corresponds to a given address to cache
    get_word_size():
        Returns the size of the word on this platform
    get_config_hz():
        Returns CONFIG_HZ value
    get_vmcore():
        Returns a path to a vmcore file
    get_vmlinux():
        Returns a path to a vmlinux file
    get_banner():
        Returns kernel banner
    symbol_exists():
        Checks if a given symbol exists
    """

def __init__(
        self, prog: Program, vmcore: str, debug_info: List[str], config_hz: int, debug_mode: bool
    ):
        self.prog = prog
        set_default_prog(self.prog)
        self.current = prog.crashed_thread().object
        self.vmcore = vmcore
        self.debug_info = debug_info
        self.debug_mode = debug_mode
        self.symcache: Dict[int, Optional[str]] = {}
        self.page_size = prog["PAGE_SIZE"].value_()
        self.modcache: Dict[int, Optional[str]] = {}
        if not prog.platform.flags & PlatformFlags.IS_64_BIT:
            self.word_size = 4
        else:
            self.word_size = 8

if config_hz is not None:
            self.config_hz = config_hz
        else:
            self.config_hz = -1
            try:
                self.config_hz = int(get_kconfig(prog)["CONFIG_HZ"])
            except LookupError:
                pass

if self.config_hz == -1:
                try:
                    # block/mq-deadline.c
                    # static const int write_expire = 5 * HZ
                    self.config_hz = prog["write_expire"].value_() // 5
                except KeyError:
                    pass

if self.config_hz == -1:
                print("Unable to get CONFIG_HZ value, defaulting to 1000")
                self.config_hz = 1000

def in_symcache(self, addr: int) -> bool:
        return addr in self.symcache

def get_from_symcache(self, addr: int) -> Optional[str]:
        return self.symcache[addr]

def put_to_symcache(self, addr: int, val: Optional[str]) -> None:
        self.symcache[addr] = val

def get_page_size(self) -> int:
        return self.page_size

def in_modcache(self, addr: int) -> bool:
        return addr in self.modcache

def get_from_modcache(self, addr: int) -> Optional[str]:
        return self.modcache[addr]

def put_to_modcache(self, addr: int, val: Optional[str]) -> None:
        self.modcache[addr] = val

def get_word_size(self) -> int:
        return self.word_size

def get_config_hz(self) -> int:
        return self.config_hz

def get_vmcore(self) -> str:
        return self.vmcore

def get_vmlinux(self) -> str:
        return self.debug_info[0]

def symbol_exists(self, sym: str) -> bool:
        try:
            _ = self.prog[sym]
        except KeyError:
            return False
        return True
0707010000002D000081A4000000000000000000000001657316310000131C000000000000000000000000000000000000003200000000crush-2023.0.dev1702041137+8ae4b21/crush/crush.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

import tomllib
from argparse import ArgumentParser
from importlib.metadata import PackageNotFoundError, version
from os import walk
from os.path import join
from pathlib import Path
from resource import RLIMIT_NOFILE, getrlimit, setrlimit
from sys import stdout

from drgn import FaultError, MissingDebugInfoError, Program
from drgn.helpers.linux.list import list_for_each_entry
from xdg import BaseDirectory

from crush.commands.common import command, loop, print_err
from crush.context import Context

MOD_SUFFIX = ".ko.debug"

def launch() -> None:
    try:
        # installed package
        app_ver = version(__package__)
    except PackageNotFoundError:
        # development folder
        with open("pyproject.toml", "rb") as prj_file:
            app_ver = tomllib.load(prj_file)["project"]["version"]

parser = ArgumentParser(description="A drgn-based crash-util replacement")
    parser.add_argument("-v", "--version", action="version", version=f"{__package__} v{app_ver}")
    parser.add_argument("--vmcore", "-c", type=str, required=True, help="path to vmcore")
    parser.add_argument("--vmlinux", "-l", type=str, required=True, help="path to vmlinux")
    parser.add_argument("--mods", "-m", type=str, help="path to modules debuginfo")
    parser.add_argument("--hz", "-z", type=int, help="CONFIG_HZ value")
    parser.add_argument("--crushrc", "-r", type=str, help="path to crushrc")
    parser.add_argument(
        "--debug-mode",
        "-d",
        action="store_true",
        help="enable debug mode for development purposes",
    )
    args = parser.parse_args()

prog = Program()

try:
        prog.set_core_dump(args.vmcore)
    except (FileNotFoundError, ValueError) as exc:
        print_err(args.vmcore + ":" + " " + str(exc))
        return

print("Loading kernel debug info...", end="")
    stdout.flush()

try:
        prog.load_debug_info([args.vmlinux])
    except MissingDebugInfoError as exc:
        print_err()
        print_err(exc)
        return

print(" done")

debug_info = []

debug_info.append(args.vmlinux)

loaded_mod_names = []
    try:
        for mod in list_for_each_entry("struct module", prog["modules"].address_of_(), "list"):
            loaded_mod_names.append(mod.name.string_().decode().replace("-", "_"))
    except FaultError:
        # TODO: ppc64le: Cannot get page I/O address: No way to translate
        pass

mod_debug_info = []
    if args.mods is not None:
        for root, _, files in walk(args.mods):
            for file_name in files:
                if not file_name.endswith(MOD_SUFFIX):
                    continue
                file_name_normalised = file_name.replace("-", "_")
                file_name_normalised = file_name_normalised[
                    : len(file_name_normalised) - len(MOD_SUFFIX)
                ]
                if file_name_normalised in loaded_mod_names:
                    mod_debug_info.append(join(root, file_name))

nofiles = len(mod_debug_info)
    if nofiles != 0:
        (curr_nofiles_soft, curr_nofiles_hard) = getrlimit(RLIMIT_NOFILE)

new_nofiles_soft = curr_nofiles_soft
        new_nofiles_hard = curr_nofiles_hard

if nofiles > curr_nofiles_hard:
            new_nofiles_hard = int(nofiles * 2)
        if nofiles > curr_nofiles_soft:
            new_nofiles_soft = min(int(nofiles * 1.5), curr_nofiles_hard)

if new_nofiles_soft != curr_nofiles_soft or new_nofiles_hard != curr_nofiles_hard:
            print("Raising RLIMIT_NOFILE...", end="")
            setrlimit(RLIMIT_NOFILE, (new_nofiles_soft, new_nofiles_hard))
            print(" done")

plural = "" if nofiles == 1 else "s"
        print(f"Loading modules debug info from {nofiles} file{plural}...", end="")
        stdout.flush()

try:
            prog.load_debug_info(mod_debug_info)
        except MissingDebugInfoError as exc:
            print_err()
            print_err(exc)
            return

print(" done")

debug_info += mod_debug_info

context = Context(prog, args.vmcore, debug_info, args.hz, args.debug_mode)

print("")
    command(context, "info")
    print("")

crushrcs = [
        Path.home().joinpath(".crushrc"),
    ]

if not BaseDirectory.xdg_config_home == "":
        crushrcs.append(BaseDirectory.xdg_config_home + "/crush/crushrc")
    else:
        crushrcs.append(Path.home().joinpath("config/crushrc/crushrc"))

if args.crushrc is not None:
        crushrcs.append(args.crushrc)

for crushrc in crushrcs:
        if Path(crushrc).exists():
            with open(crushrc, encoding="utf-8") as file:
                for cmd in file.readlines():
                    if command(context, cmd):
                        return

loop(context)

if __name__ == "__main__":
    launch()
0707010000002E000041ED0000000000000000000000026573163100000000000000000000000000000000000000000000002D00000000crush-2023.0.dev1702041137+8ae4b21/crush/ext0707010000002F000081A40000000000000000000000016573163100000042000000000000000000000000000000000000003900000000crush-2023.0.dev1702041137+8ae4b21/crush/ext/__init__.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later
07070100000030000081A40000000000000000000000016573163100000372000000000000000000000000000000000000003600000000crush-2023.0.dev1702041137+8ae4b21/crush/ext/hello.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from argparse import ArgumentParser
from typing import Optional

from crush.commands.common import Command

def main(cmd: Command) -> Optional[int]:
    parser = ArgumentParser(prog="hello", description="Hello World")
    parser.add_argument("args", nargs="*", help="arguments")
    try:
        args = parser.parse_args(cmd.argv[1:])
    except SystemExit:
        return None

cmd.println("Hello, world! Script arguments are:")
    cmd.println("")
    for argi, arg in enumerate(args.args):
        cmd.println(f"\targv[{argi}] = " + arg)
    cmd.println("")
    stdin_len = 0 if cmd.stdin is None else len(cmd.stdin)
    cmd.println(f"Lines in script's stdin: {stdin_len}.")
    cmd.println("")

jiffies = cmd.ctx.prog["jiffies"].value_()
    cmd.println(f"vmcore jiffies: 0x{jiffies:x}")

return 0
07070100000031000041ED0000000000000000000000026573163100000000000000000000000000000000000000000000003100000000crush-2023.0.dev1702041137+8ae4b21/crush/helpers07070100000032000081A400000000000000000000000165731631000019B1000000000000000000000000000000000000003B00000000crush-2023.0.dev1702041137+8ae4b21/crush/helpers/common.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from typing import List, Optional, Union

from drgn import FaultError, Object
from drgn.helpers.linux.cpumask import for_each_possible_cpu
from drgn.helpers.linux.list import list_for_each_entry
from drgn.helpers.linux.percpu import per_cpu, per_cpu_ptr
from drgn.helpers.linux.slab import find_containing_slab_cache, slab_object_info

from crush.context import Context
from crush.helpers.module import MOD_TEXT

class Address:
    """
    Represents a virtual address, possibly with per-CPU indications.

Attributes
    ----------
    cpu: Optional[int]
        per-CPU index
    percpu: Optional[int]
        per-CPU offset
    addr: int
        full virtual address

Methods
    -------
    is_percpu():
        checks if the address has per-CPU indicators
    get_cpu():
        returns a per-CPU index
    get_addr():
        returns full virtual address
    """

def __init__(self, cpu: Optional[int], percpu: Optional[int], addr: int):
        self.cpu = cpu
        self.percpu = percpu
        self.addr = addr

def is_percpu(self) -> bool:
        return self.percpu is not None

def get_cpu(self) -> Optional[int]:
        return self.cpu

def get_addr(self) -> int:
        return self.addr

def bin2ascii(raw: bytes) -> str:
    # TODO: raw.decode("ascii", errors = "replace")
    # but I'd like to have "." (dot) as a replacement marker

val = []

for i in raw:
        # although space (32) is printable
        # skip it to make it explicitly visible
        if 33 <= i <= 126:
            val.append(chr(i))
        else:
            val.append(".")

return "".join(val)

def parse_cpu_range(string: str) -> List[int]:
    val = []

if string == "a":
        for cpu in for_each_possible_cpu():
            val.append(cpu)
    else:
        for chunk in string.split(","):
            if "-" in chunk:
                left, right = chunk.split("-")
                left_x, left_y = int(left), int(right)
                val.extend(range(left_x, left_y + 1))
            else:
                left_x = int(chunk)
                val.append(left_x)
        for cpu in val:
            if cpu not in for_each_possible_cpu():
                raise ValueError(f"CPU {cpu} is not available")

return val

def try_int(string: Optional[str], base=16) -> Optional[int]:
    if string is None:
        return None

try:
        val = int(string, base)
        return val
    except ValueError:
        return None

def resolve(ctx: Context, string: str) -> List[Address]:
    addrs = []

if ":" in string:
        qual, cpu_str = string.split(":")
        cpu = parse_cpu_range(cpu_str)
    else:
        qual = string
        cpu = None

if "+" in qual:
        qual, offset_str = qual.split("+")
        offset = int(offset_str, 16)
    else:
        offset = 0

val: Union[int, None, str] = try_int(qual)
    if val is None:
        val = qual

if cpu is not None:
        if isinstance(val, int):
            obj = Object(ctx.prog, "void *", val)
            for i in cpu:
                addrs.append(Address(i, val, per_cpu_ptr(obj, i).value_()))
        elif isinstance(val, str):
            obj = ctx.prog[val]
            for i in cpu:
                addrs.append(Address(i, obj.address_, per_cpu(obj, i).address_))
    else:
        if isinstance(val, int):
            addrs.append(Address(None, None, val + offset))
        elif isinstance(val, str):
            addrs.append(Address(None, None, ctx.prog.symbol(val).address + offset))

return addrs

def demangle(ctx: Context, addr: int) -> Optional[str]:
    # TODO: on s390x NULL is apparently a valid address, but it decodes to
    #       __decode_fail, so just filter it out;
    #       on s390x there's _text symbol, compare the address to it?
    if addr == 0:
        return None

if ctx.in_symcache(addr):
        return ctx.get_from_symcache(addr)

try:
        # discard unreadable addresses
        ctx.prog.read_word(addr)
    except FaultError:
        ctx.put_to_symcache(addr, None)
        return None

try:
        symbol = ctx.prog.symbol(addr)
        offset = addr - symbol.address
        chunk = symbol.name
        if offset != 0:
            chunk += "+" + hex(offset)
        ctx.put_to_symcache(addr, chunk)
        return chunk
    except (LookupError, OverflowError):
        pass

try:
        kmem_cache = find_containing_slab_cache(addr)
        obj_info = slab_object_info(addr)
    except NotImplementedError:
        # TODO: PPC64 address translation is WIP
        kmem_cache = None
        obj_info = None

if kmem_cache is not None and kmem_cache.value_() != 0:
        allocated = obj_info and obj_info.allocated
        chunk = (
            ("[" if allocated else "")
            + kmem_cache.name.string_().decode()
            + ":"
            + hex(addr)
            + ("]" if allocated else "")
        )
        ctx.put_to_symcache(addr, chunk)
        return chunk

return None

def wreg(ctx: Context, val: int, word_size: Optional[int] = None, x_prefix: bool = True) -> str:
    ret = ""

if x_prefix:
        ret += "0x"

if word_size is None:
        word_size = ctx.get_word_size()

hex_width = word_size * 2

return f"{val:0{hex_width}x}"

def address_to_module_name(ctx: Context, addr: int) -> Optional[str]:
    if ctx.in_modcache(addr):
        return ctx.get_from_modcache(addr)

for mod in list_for_each_entry("struct module", ctx.prog["modules"].address_of_(), "list"):
        if contains(mod, "module_core"):
            module_begin = mod.module_core.value_()
            module_end = module_begin + mod.core_size.value_()
        elif contains(mod, "core_layout"):
            module_begin = mod.core_layout.base.value_()
            module_end = module_begin + mod.core_layout.size.value_()
        elif contains(mod, "mem"):
            module_begin = mod.mem[MOD_TEXT].base.value_()
            module_end = module_begin + mod.mem[MOD_TEXT].size.value_()
        else:
            raise NotImplementedError("`struct module` layout is not supported")

if module_begin <= addr < module_end:
            module_name = mod.name.string_().decode()
            ctx.put_to_modcache(addr, module_name)
            return module_name

ctx.put_to_modcache(addr, None)
    return None

def contains(obj: Object, member: str) -> bool:
    try:
        _ = obj.member_(member)
    except (TypeError, LookupError):
        return False
    return True
07070100000033000081A40000000000000000000000016573163100000062000000000000000000000000000000000000003B00000000crush-2023.0.dev1702041137+8ae4b21/crush/helpers/module.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

MOD_TEXT = 0
MOD_INIT_TEXT = 4
07070100000034000081A40000000000000000000000016573163100001883000000000000000000000000000000000000003A00000000crush-2023.0.dev1702041137+8ae4b21/crush/helpers/sched.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from typing import List, Optional

from drgn import FaultError, Object
from drgn.helpers.linux.cpumask import for_each_online_cpu
from drgn.helpers.linux.fs import d_path
from drgn.helpers.linux.list import list_for_each_entry
from drgn.helpers.linux.percpu import per_cpu, percpu_counter_sum
from drgn.helpers.linux.pid import find_task, for_each_task
from drgn.helpers.linux.sched import idle_task

from crush.context import Context
from crush.helpers.common import contains, try_int
from crush.textbuffer import TextBuffer

MM_FILEPAGES = 0
MM_ANONPAGES = 1

PF_KTHREAD = 0x00200000

# include/linux/sched/prio.h
MAX_NICE = 19
MIN_NICE = -20
NICE_WIDTH = MAX_NICE - MIN_NICE + 1
MAX_RT_PRIO = 100
DEFAULT_PRIO = MAX_RT_PRIO + NICE_WIDTH // 2

def is_kthread(task: Object) -> bool:
    return task.flags & PF_KTHREAD

def is_group_leader(task: Object) -> bool:
    return task.group_leader == task

def task_handle_to_task(ctx: Context, task_handle: str) -> Optional[Object]:
    # filter out non-dec and non-hex input
    if try_int(task_handle) is None:
        raise ValueError(f"Unable to parse task handle: {task_handle}")

# try PID
    pid = try_int(task_handle, base=10)
    if pid is not None:
        task = find_task(pid)
        if task.value_() != 0:
            return task

# try task_struct address
    try:
        addr = try_int(task_handle)
        ctx.prog.read_word(addr)
        # TODO: on s390x this happily returns with no exception
        #       for things like 0x3;
        #       must find another way to filter this out
        return Object(ctx.prog, "struct task_struct *", addr)
    except FaultError:
        pass

raise ProcessLookupError(f"Task does not exist: {task_handle}")

def task_cpu(task: Object) -> int:
    if contains(task, "cpu"):
        return task.cpu.value_()
    elif contains(task, "wake_cpu"):
        return task.wake_cpu.value_()
    else:
        raise NotImplementedError("`struct task_struct` layout is not supported")

def task_rtprio(task: Object) -> int:
    return task.rt_priority.value_()

def task_niceval(task: Object) -> int:
    static_prio = task.static_prio.value_()
    return static_prio - DEFAULT_PRIO

def task_header(task: Object) -> str:
    pid = task.pid.value_()
    addr = hex(task.value_())
    cpu = task_cpu(task)
    comm = task.comm.string_().decode()

task_fs = task.fs

if task_fs.value_() == 0:
        root = "N/A"
        pwd = "N/A"
    else:
        root = d_path(task_fs.root).decode()
        pwd = d_path(task_fs.pwd).decode()

return f"PID: {pid}\tTASK: {addr}\tCPU: {cpu}\tCOMMAND: {comm}\tROOT: {root}\tPWD: {pwd}"

def tasks_from_stdin(
    ctx: Context,
    pids: List[str],
    stdin: Optional[TextBuffer],
    default_all: bool = False,
) -> List[Object]:
    tasks = []

if not pids:
        if default_all:
            for i in for_each_task():
                tasks.append(i)
            for i in for_each_online_cpu():
                tasks.append(idle_task(i))
        else:
            tasks.append(ctx.current)
    else:
        for task in pids:
            if task == "-" and stdin is not None:
                for i in stdin:
                    if not i == "":
                        tasks.append(task_handle_to_task(ctx, i.strip()))
            else:
                tasks.append(task_handle_to_task(ctx, task))

return tasks

def is_active(ctx: Context, task: Object) -> bool:
    cpu = task_cpu(task)
    return per_cpu(ctx.prog["runqueues"], cpu).curr == task

def task_state_to_char(task: Object) -> str:
    EXIT_NONE = 0x0000
    EXIT_DEAD = 0x0010
    EXIT_ZOMBIE = 0x0020
    TASK_RUNNING = 0x0000
    TASK_INTERRUPTIBLE = 0x0001
    TASK_UNINTERRUPTIBLE = 0x0002
    TASK_PARKED = 0x0040
    TASK_WAKEKILL = 0x0100
    TASK_WAKING = 0x0200
    TASK_NOLOAD = 0x0400

if contains(task, "state"):
        state = task.state.value_()
    elif contains(task, "__state"):
        state = task.__state.value_()
    else:
        raise NotImplementedError("`struct task_struct` layout is not supported")

exit_state = task.exit_state.value_()

# TODO: stopped, traced, dead

if exit_state & EXIT_DEAD or exit_state & EXIT_ZOMBIE:
        return "Z"
    if state == TASK_RUNNING and exit_state == EXIT_NONE:
        return "R"
    if state & TASK_INTERRUPTIBLE and exit_state == EXIT_NONE:
        return "S"
    if state & TASK_NOLOAD and state & TASK_UNINTERRUPTIBLE and exit_state == EXIT_NONE:
        return "I"
    if state & TASK_UNINTERRUPTIBLE and exit_state == EXIT_NONE:
        return "D"
    if state & TASK_WAKING and exit_state == EXIT_NONE:
        return "W"
    if state & TASK_PARKED and exit_state == EXIT_NONE:
        return "P"
    if state & TASK_WAKEKILL and exit_state == EXIT_NONE:
        return "A"

return "?"

def task_policy_to_str(task: Object) -> str:
    match task.policy:
        case 0:
            return "OT"
        case 1:
            return "FF"
        case 2:
            return "RR"
        case 3:
            return "BA"
        case 4:
            return "IS"
        case 5:
            return "ID"
        case 6:
            return "DL"
        case _:
            return "??"

def task_rss(task: Object) -> Optional[int]:
    # TODO: memory stats calculation differs across kernel versions
    #       some kernels do not have split RSS accounting

group_leader = task.group_leader
    mm_struct = group_leader.mm
    if mm_struct.value_() == 0:
        return None

if contains(mm_struct.rss_stat, "count"):
        ret = (
            mm_struct.rss_stat.count[MM_FILEPAGES].counter.value_()
            + mm_struct.rss_stat.count[MM_ANONPAGES].counter.value_()
        )
        thread_list = group_leader.signal.thread_head.address_of_()
        for thread in list_for_each_entry("struct task_struct", thread_list, "thread_node"):
            ret += (
                thread.rss_stat.count[MM_FILEPAGES].value_()
                + thread.rss_stat.count[MM_ANONPAGES].value_()
            )
    else:
        ret = percpu_counter_sum(mm_struct.rss_stat[MM_FILEPAGES]) + percpu_counter_sum(
            mm_struct.rss_stat[MM_ANONPAGES]
        )

return ret
07070100000035000081A40000000000000000000000016573163100000494000000000000000000000000000000000000003900000000crush-2023.0.dev1702041137+8ae4b21/crush/helpers/time.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from crush.commands.common import Context
from crush.helpers.common import contains

def get_timekeeper(ctx: Context):
    if ctx.symbol_exists("tk_core"):
        timekeeper = ctx.prog["tk_core"].timekeeper
    elif ctx.symbol_exists("timekeeper"):
        timekeeper = ctx.prog["timekeeper"]
    else:
        raise NotImplementedError("Timekeeping structure is not supported")

return timekeeper

def get_uptime_ns(ctx: Context):
    timekeeper = get_timekeeper(ctx)
    if not contains(timekeeper, "tkr_mono"):
        jiffies = ctx.prog["jiffies"].value_()
        wrapped = jiffies & 0xFFFFFFFF00000000
        if wrapped:
            wrapped -= 0x100000000
            jiffies &= 0x00000000FFFFFFFF
            jiffies |= wrapped
        jiffies += 300 * ctx.config_hz
        uptime_ns = jiffies * (1_000 // ctx.config_hz) * 1_000_000
    elif not contains(timekeeper.tkr_mono.base, "tv64"):
        uptime_ns = (timekeeper.tkr_mono.base + timekeeper.offs_boot).value_()
    else:
        uptime_ns = (timekeeper.tkr_mono.base.tv64 + timekeeper.offs_boot.tv64).value_()
    return uptime_ns
07070100000036000081A4000000000000000000000001657316310000043A000000000000000000000000000000000000003700000000crush-2023.0.dev1702041137+8ae4b21/crush/textbuffer.py#!/usr/bin/env python
# SPDX-License-Identifier: GPL-3.0-or-later

from typing import Any

class TextBuffer:
    """
    Represents a text buffer that is passed between commands as stdin and stdout.

Attributes
    ----------
    buffer: List[str]
        list of text lines constituting a text buffer
    index: int
        current buffer iterator index

Methods
    -------
    append(string):
        adds a new text line to the buffer
    """

def __init__(self, *inp):
        self.buffer = []
        if len(inp) == 1:
            self.__init_arg1(inp)
        self.index = 0

def __init_arg1(self, args):
        self.append(args[0])

def append(self, string: Any) -> None:
        self.buffer.append(str(string))

def __iter__(self):
        return self

def __next__(self):
        try:
            result = self.buffer[self.index]
        except IndexError as exc:
            self.index = 0
            raise StopIteration from exc

self.index += 1
        return result

def __len__(self) -> int:
        return len(self.buffer)
07070100000037000081A400000000000000000000000165731631000005EF000000000000000000000000000000000000003200000000crush-2023.0.dev1702041137+8ae4b21/pyproject.toml[build-system]
requires = [ "flit" ]
build-backend = "flit_core.buildapi"

[project]
name = "crush"
version = "2023.1.alpha1"
description = "A drgn-based crash-util replacement"
license = { file = "LICENSE" }
readme = "README.md"
authors = [
	{ name = "Oleksandr Natalenko", email = "oleksandr@redhat.com" },
]
keywords = [
	"analyse",
	"crash",
	"dragon",
	"drgn",
	"hang",
	"kdump",
	"kernel",
	"lockup",
	"panic",
	"vmcore"
]
classifiers = [
	"Development Status :: 3 - Alpha",
	"Environment :: Console",
	"Intended Audience :: Customer Service",
	"Intended Audience :: Developers",
	"Intended Audience :: Information Technology",
	"License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)",
	"Operating System :: POSIX :: Linux",
	"Programming Language :: Python :: 3",
	"Topic :: Software Development :: Debuggers",
	"Topic :: Software Development :: Disassemblers",
	"Topic :: System :: Operating System Kernels :: Linux",
	"Topic :: Utilities",
]
dependencies = [
	"asteval",
	"capstone",
	"drgn",
	"prettytable",
	"pyxdg",
]

[project.urls]
homepage = "https://codeberg.org/pf-kernel/crush"
binary = "https://build.opensuse.org/project/show/home:post-factum:crush"

[project.scripts]
crush = "crush.crush:launch"

[tool.mypy]
ignore_missing_imports = true

[tool.pylint.'MESSAGES CONTROL']
# TODO: clean up all the pylint complaints
disable = "C0114,C0115,C0116,R0801,R0902,R0911,R0912,R0913,R0914,R0915,R0916,R1702,W0511,E1120"

[tool.isort]
profile = "black"

[tool.black]
line-length = 100
07070100000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000B00000000TRAILER!!!336 blocks

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