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File 4596-diameter-test-Add-printouts-for-the-xref-test-case.patch of Package erlang (Revision 08963e5b214430ddd1a5b61ca2dabc24)

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From 113ddc4e4d53f112b9f18c0ef5c2c97518a913d7 Mon Sep 17 00:00:00 2001
From: Micael Karlberg <bmk@erlang.org>
Date: Thu, 2 May 2024 07:57:41 +0200
Subject: [PATCH 6/7] [diameter|test] Add printouts for the xref test case

---
 lib/diameter/test/diameter_app_SUITE.erl | 32 ++++++++++++++++++++++--
 lib/diameter/test/diameter_util.erl      | 27 +++++++++++++++++---
 2 files changed, 53 insertions(+), 6 deletions(-)

diff --git a/lib/diameter/test/diameter_app_SUITE.erl b/lib/diameter/test/diameter_app_SUITE.erl
index a0e391d5cc..e96133908f 100644
--- a/lib/diameter/test/diameter_app_SUITE.erl
+++ b/lib/diameter/test/diameter_app_SUITE.erl
@@ -189,11 +189,17 @@ appvsn(Name) ->
 %% ===========================================================================
 
 xref({App, _Config}) ->
+    i("xref -> entry with"
+      "~n   App:    ~p"
+      "~n   Config: ~p", [App, _Config]),
+
     Mods = fetch(modules, App),  %% modules listed in the app file
 
     %% List of application names extracted from runtime_dependencies.
+    i("xref -> get deps"),
     Deps = lists:map(fun unversion/1, fetch(runtime_dependencies, App)),
 
+    i("xref -> start xref"),
     {ok, XRef} = xref:start(make_name(xref_test_name)),
     ok = xref:set_default(XRef, [{verbose, false}, {warnings, false}]),
 
@@ -203,19 +209,30 @@ xref({App, _Config}) ->
     %% was previously in kernel. Erts isn't an application however, in
     %% the sense that there's no .app file, and isn't listed in
     %% applications.
+    i("xref -> add own and dep apps"),
     ok = lists:foreach(fun(A) -> add_application(XRef, A) end,
                        [diameter, erts | fetch(applications, App)]),
 
+    i("xref -> analyze undefined_function_calls"),
     {ok, Undefs} = xref:analyze(XRef, undefined_function_calls),
+    i("xref -> analyze module use: "
+      "~n   For mods: ~p", [Mods]),
     {ok, RTmods} = xref:analyze(XRef, {module_use, Mods}),
+    i("xref -> analyze (compiler) module use: "
+      "~n   For mods: ~p", [?COMPILER_MODULES]),
     {ok, CTmods} = xref:analyze(XRef, {module_use, ?COMPILER_MODULES}),
+    i("xref -> analyze module call: "
+      "~n   For mods: ~p", [Mods]),
     {ok, RTdeps} = xref:analyze(XRef, {module_call, Mods}),
 
+    i("xref -> stop xref"),
     xref:stop(XRef),
 
+    i("xref -> get OTP release"),
     Rel = release(),  %% otp_release-ish
 
     %% Only care about calls from our own application.
+    i("xref -> Only care about calls from our own application"),
     [] = lists:filter(fun({{F,_,_} = From, {_,_,_} = To}) ->
                               lists:member(F, Mods)
                                   andalso not ignored(From, To, Rel)
@@ -227,20 +244,31 @@ xref({App, _Config}) ->
     %% depend on other diameter modules but it's a simple source of
     %% build errors if not properly encoded in the makefile so guard
     %% against it.
+    i("xref -> ensure only runtime and info mod"),
     [] = (RTmods -- Mods) -- ?INFO_MODULES,
 
     %% Ensure that runtime modules don't call compiler modules.
+    i("xref -> ensure runtime mods don't call compiler mods"),
     CTmods = CTmods -- Mods,
 
     %% Ensure that runtime modules only call other runtime modules, or
     %% applications declared in runtime_dependencies in the app file.
     %% The declared application versions are ignored since we only
     %% know what we see now.
+    i("xref -> ensure runtime mods only call runtime mods"),
     [] = lists:filter(fun(M) -> not lists:member(app(M), Deps) end,
-                      RTdeps -- Mods);
+                      RTdeps -- Mods),
+
+    i("xref -> done"),
+    ok;
 
 xref(Config) ->
-    run(Config, [xref]).
+    i("xref -> entry with"
+      "~n   Config: ~p", [Config]),
+    Res = run(Config, [xref]),
+    i("xref -> done when"
+      "~n   Res: ~p", [Res]),
+    Res.
 
 ignored({FromMod,_,_}, {ToMod,_,_} = To, Rel)->
     %% diameter_tcp does call ssl despite the latter not being listed
diff --git a/lib/diameter/test/diameter_util.erl b/lib/diameter/test/diameter_util.erl
index cdb6fa410f..ccfe688579 100644
--- a/lib/diameter/test/diameter_util.erl
+++ b/lib/diameter/test/diameter_util.erl
@@ -48,6 +48,9 @@
 
 -define(L, atom_to_list).
 
+-define(LOG(F, A), log(?LINE, F, A)).
+
+
 %% ---------------------------------------------------------------------------
 
 eprof(start) ->
@@ -125,11 +128,24 @@ down(Parent, Worker)
           end);
 
 %% Die with the worker, kill the worker if the parent dies.
-down(MRef, Pid) ->
+down(ParentMRef, WorkerPid) ->
+    ?LOG("down -> await worker (~p) termination", [WorkerPid]),
     receive
-        {'DOWN', MRef, process, _, _} ->
-            exit(Pid, kill);
-        {'DOWN', _, process, Pid, _} ->
+        {'EXIT', TCPid, {timetrap_timeout = R, TCTimeout, TCStack}} ->
+            ?LOG("down -> test case timetrap timeout when"
+                 "~n   (test case) Pid:     ~p"
+                 "~n   (test case) Timeout: ~p"
+                 "~n   (test case) Stack:   ~p", [TCPid, TCTimeout, TCStack]),
+            exit(WorkerPid, kill),
+            %% So many wrapper levels, make sure we go with a bang
+            exit({TCPid, R, TCStack});
+        {'DOWN', ParentMRef, process, PPid, PReason} ->
+            ?LOG("down -> parent process (~p) died: "
+                 "~n   Reason: ~p", [PPid, PReason]),
+            exit(WorkerPid, kill);
+        {'DOWN', _, process, WorkerPid, WReason} ->
+            ?LOG("down -> worker process (~p) died: "
+                 "~n   Reason: ~p", [WorkerPid, WReason]),
             ok
     end.
 
@@ -453,3 +469,6 @@ info(S) ->
 
 info(Key, SvcName) ->
     [{Key, _}] = diameter:service_info(SvcName, [Key]).
+
+log(LINE, F, A) ->
+    ct:log("[DUTIL:~w,~p] " ++ F ++ "~n", [LINE,self()|A]).
-- 
2.35.3

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File 4596-diameter-test-Add-printouts-for-the-xref-test-case.patch of Package erlang (Revision 08963e5b214430ddd1a5b61ca2dabc24)

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