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Subject[PATCH 2/2] perf inject: Do not inject BUILD_ID record if MMAP2 has it
Date
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>
---
tools/perf/builtin-inject.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)

diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
index 8bbaa46eb7e6..5d6f583e2cd3 100644
--- a/tools/perf/builtin-inject.c
+++ b/tools/perf/builtin-inject.c
@@ -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);

--
2.31.1.818.g46aad6cb9e-goog
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