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perf
perf-expr-straighten-expr__parse-expr__find_oth...
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File perf-expr-straighten-expr__parse-expr__find_other-interface.patch of Package perf
From: Jiri Olsa <jolsa@kernel.org> Date: Fri, 28 Feb 2020 10:36:15 +0100 Subject: perf expr: Straighten expr__parse()/expr__find_other() interface Git-commit: 0f9b1e124bb29719eb1572db74b7893bd616f938 Patch-mainline: v5.7-rc1 References: jsc#SLE-13661 Now that we have a flex parser we don't need to update the parsed string pointer, so the interface can just be passed the pointer to the expression instead of a pointer to pointer. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Reviewed-by: Andi Kleen <ak@linux.intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: John Garry <john.garry@huawei.com> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Link: http://lore.kernel.org/lkml/20200228093616.67125-5-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Tony Jones <tonyj@suse.de> --- tools/perf/tests/expr.c | 6 +++--- tools/perf/util/expr.c | 8 ++++---- tools/perf/util/expr.h | 4 ++-- tools/perf/util/stat-shadow.c | 4 +--- 4 files changed, 10 insertions(+), 12 deletions(-) diff --git a/tools/perf/tests/expr.c b/tools/perf/tests/expr.c index 87843af4c118..755d73c86c68 100644 --- a/tools/perf/tests/expr.c +++ b/tools/perf/tests/expr.c @@ -10,7 +10,7 @@ static int test(struct parse_ctx *ctx, const char *e, double val2) { double val; - if (expr__parse(&val, ctx, &e)) + if (expr__parse(&val, ctx, e)) TEST_ASSERT_VAL("parse test failed", 0); TEST_ASSERT_VAL("unexpected value", val == val2); return 0; @@ -44,11 +44,11 @@ int test__expr(struct test *t __maybe_unused, int subtest __maybe_unused) return ret; p = "FOO/0"; - ret = expr__parse(&val, &ctx, &p); + ret = expr__parse(&val, &ctx, p); TEST_ASSERT_VAL("division by zero", ret == 1); p = "BAR/"; - ret = expr__parse(&val, &ctx, &p); + ret = expr__parse(&val, &ctx, p); TEST_ASSERT_VAL("missing operand", ret == 1); TEST_ASSERT_VAL("find other", diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c index b39fd39f10ec..45b25530db5b 100644 --- a/tools/perf/util/expr.c +++ b/tools/perf/util/expr.c @@ -52,9 +52,9 @@ __expr__parse(double *val, struct parse_ctx *ctx, const char *expr, return ret; } -int expr__parse(double *final_val, struct parse_ctx *ctx, const char **pp) +int expr__parse(double *final_val, struct parse_ctx *ctx, const char *expr) { - return __expr__parse(final_val, ctx, *pp, EXPR_PARSE); + return __expr__parse(final_val, ctx, expr, EXPR_PARSE); } static bool @@ -71,14 +71,14 @@ already_seen(const char *val, const char *one, const char **other, return false; } -int expr__find_other(const char *p, const char *one, const char ***other, +int expr__find_other(const char *expr, const char *one, const char ***other, int *num_other) { int err, i = 0, j = 0; struct parse_ctx ctx; expr__ctx_init(&ctx); - err = __expr__parse(NULL, &ctx, p, EXPR_OTHER); + err = __expr__parse(NULL, &ctx, expr, EXPR_OTHER); if (err) return -1; diff --git a/tools/perf/util/expr.h b/tools/perf/util/expr.h index df0a17df0cef..9377538f4097 100644 --- a/tools/perf/util/expr.h +++ b/tools/perf/util/expr.h @@ -17,8 +17,8 @@ struct parse_ctx { void expr__ctx_init(struct parse_ctx *ctx); void expr__add_id(struct parse_ctx *ctx, const char *id, double val); -int expr__parse(double *final_val, struct parse_ctx *ctx, const char **pp); -int expr__find_other(const char *p, const char *one, const char ***other, +int expr__parse(double *final_val, struct parse_ctx *ctx, const char *expr); +int expr__find_other(const char *expr, const char *one, const char ***other, int *num_other); #endif diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c index 90d23cc3c8d4..0fd713d3674f 100644 --- a/tools/perf/util/stat-shadow.c +++ b/tools/perf/util/stat-shadow.c @@ -777,9 +777,7 @@ static void generic_metric(struct perf_stat_config *config, } if (!metric_events[i]) { - const char *p = metric_expr; - - if (expr__parse(&ratio, &pctx, &p) == 0) { + if (expr__parse(&ratio, &pctx, metric_expr) == 0) { char *unit; char metric_bf[64];
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