diff options
| author | Namhyung Kim <namhyung@kernel.org> | 2023-01-17 22:05:55 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2023-01-18 11:57:20 +0100 |
| commit | eb55b455ef9c7123bdfa7e8a7f1ebeaa8034eb83 (patch) | |
| tree | c1a9039f102d7cae4cc1a49f97884b373aa7dac3 /arch/powerpc/perf | |
| parent | 0a9081cf0a11770f6b0affd377db8caa3ec4c793 (diff) | |
perf/core: Add perf_sample_save_brstack() helper
When we saves the branch stack to the perf sample data, we needs to
update the sample flags and the dynamic size. To make sure this is
done consistently, add the perf_sample_save_brstack() helper and
convert all call sites.
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20230118060559.615653-5-namhyung@kernel.org
Diffstat (limited to 'arch/powerpc/perf')
| -rw-r--r-- | arch/powerpc/perf/core-book3s.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index bf318dd9b709..8c1f7def596e 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -2313,8 +2313,7 @@ static void record_and_restart(struct perf_event *event, unsigned long val, struct cpu_hw_events *cpuhw; cpuhw = this_cpu_ptr(&cpu_hw_events); power_pmu_bhrb_read(event, cpuhw); - data.br_stack = &cpuhw->bhrb_stack; - data.sample_flags |= PERF_SAMPLE_BRANCH_STACK; + perf_sample_save_brstack(&data, event, &cpuhw->bhrb_stack); } if (event->attr.sample_type & PERF_SAMPLE_DATA_SRC && |