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perf inject: Do not inject BUILD_ID record if MMAP2 has it 

When PERF_RECORD_MISC_MMAP_BUILD_ID is set, the event has a build-id
of the DSO already so no need to add it again.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20210524225051.1190486-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2021-05-24 15:50:51 -07:00 committed by Arnaldo Carvalho de Melo
parent 0c3f7b38d7
commit f7fc0d1c91
1 changed files with 24 additions and 0 deletions
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24
tools/perf/builtin-inject.c
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@ -399,6 +399,18 @@ static int perf_event__repipe_mmap2(struct perf_tool *tool,
err = perf_event__process_mmap2(tool, event, sample, machine);
perf_event__repipe(tool, event, sample, machine);
if (event->header.misc & PERF_RECORD_MISC_MMAP_BUILD_ID) {
struct dso *dso;
dso = findnew_dso(event->mmap2.pid, event->mmap2.tid,
event->mmap2.filename, NULL, machine);
if (dso) {
/* mark it not to inject build-id */
dso->hit = 1;
}
dso__put(dso);
}
return err;
}
@ -440,6 +452,18 @@ static int perf_event__repipe_buildid_mmap2(struct perf_tool *tool,
};
struct dso *dso;
if (event->header.misc & PERF_RECORD_MISC_MMAP_BUILD_ID) {
/* cannot use dso_id since it'd have invalid info */
dso = findnew_dso(event->mmap2.pid, event->mmap2.tid,
event->mmap2.filename, NULL, machine);
if (dso) {
/* mark it not to inject build-id */
dso->hit = 1;
}
dso__put(dso);
return 0;
}
dso = findnew_dso(event->mmap2.pid, event->mmap2.tid,
event->mmap2.filename, &dso_id, machine);