diff options
| author | Namhyung Kim <namhyung@kernel.org> | 2023-01-17 22:05:54 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2023-01-18 11:57:19 +0100 |
| commit | 0a9081cf0a11770f6b0affd377db8caa3ec4c793 (patch) | |
| tree | 3a740abf38035bbde0d715718d2eb2c12f15eefe /kernel/trace/bpf_trace.c | |
| parent | 31046500c1864b8ab25d1b9846ad10aa3f7b1821 (diff) | |
perf/core: Add perf_sample_save_raw_data() helper
When we save the raw_data to the perf sample data, we need to update
the sample flags and the dynamic size. To make sure this is done
consistently, add the perf_sample_save_raw_data() 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: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20230118060559.615653-4-namhyung@kernel.org
Diffstat (limited to 'kernel/trace/bpf_trace.c')
| -rw-r--r-- | kernel/trace/bpf_trace.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index 3bbd3f0c810c..ad37608afc35 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -687,8 +687,7 @@ BPF_CALL_5(bpf_perf_event_output, struct pt_regs *, regs, struct bpf_map *, map, } perf_sample_data_init(sd, 0, 0); - sd->raw = &raw; - sd->sample_flags |= PERF_SAMPLE_RAW; + perf_sample_save_raw_data(sd, &raw); err = __bpf_perf_event_output(regs, map, flags, sd); @@ -746,8 +745,7 @@ u64 bpf_event_output(struct bpf_map *map, u64 flags, void *meta, u64 meta_size, perf_fetch_caller_regs(regs); perf_sample_data_init(sd, 0, 0); - sd->raw = &raw; - sd->sample_flags |= PERF_SAMPLE_RAW; + perf_sample_save_raw_data(sd, &raw); ret = __bpf_perf_event_output(regs, map, flags, sd); out: |