diff options
| author | Namhyung Kim <namhyung@kernel.org> | 2023-01-17 22:05:58 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2023-01-18 11:57:20 +0100 |
| commit | f6e707156e1d5d150f288823987bee1ba0104c4c (patch) | |
| tree | 079e268b0e399f382cc1ad3221ed0bd1266d75b6 /arch/s390/kernel | |
| parent | a7c8d0daa87581cab8435c83cc6ecbfbcb8b60cf (diff) | |
perf/core: Introduce perf_prepare_header()
Factor out perf_prepare_header() so that it can call
perf_prepare_sample() without a header if not needed.
Also it checks the filtered_sample_type to avoid duplicate
work when perf_prepare_sample() is called twice (or more).
Suggested-by: Peter Zijlstr <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: Song Liu <song@kernel.org>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20230118060559.615653-8-namhyung@kernel.org
Diffstat (limited to 'arch/s390/kernel')
| -rw-r--r-- | arch/s390/kernel/perf_cpum_sf.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c index ce886a03545a..ead6eea48be8 100644 --- a/arch/s390/kernel/perf_cpum_sf.c +++ b/arch/s390/kernel/perf_cpum_sf.c @@ -672,7 +672,8 @@ static void cpumsf_output_event_pid(struct perf_event *event, /* Protect callchain buffers, tasks */ rcu_read_lock(); - perf_prepare_sample(&header, data, event, regs); + perf_prepare_sample(data, event, regs); + perf_prepare_header(&header, data, event, regs); if (perf_output_begin(&handle, data, event, header.size)) goto out; |