diff options
| author | Kan Liang <kan.liang@linux.intel.com> | 2022-09-01 16:09:58 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-09-06 12:33:03 +0300 |
| commit | e16fd7f2cb1a65555cfe76f983eaefb1eab7471f (patch) | |
| tree | 15d1e498f5e4450ce74992febd66913fd258052c /arch/powerpc/perf | |
| parent | 2abe681da0a192ab850a5271d838a7817b469fca (diff) | |
| download | linux-e16fd7f2cb1a65555cfe76f983eaefb1eab7471f.tar.xz | |
perf: Use sample_flags for data_src
Use the new sample_flags to indicate whether the data_src field is
filled by the PMU driver.
Remove the data_src field from the perf_sample_data_init() to minimize
the number of cache lines touched.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220901130959.1285717-6-kan.liang@linux.intel.com
Diffstat (limited to 'arch/powerpc/perf')
| -rw-r--r-- | arch/powerpc/perf/core-book3s.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index a5c95a2006ea..6ec7069e6482 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -2301,8 +2301,10 @@ static void record_and_restart(struct perf_event *event, unsigned long val, } if (event->attr.sample_type & PERF_SAMPLE_DATA_SRC && - ppmu->get_mem_data_src) + ppmu->get_mem_data_src) { ppmu->get_mem_data_src(&data.data_src, ppmu->flags, regs); + data.sample_flags |= PERF_SAMPLE_DATA_SRC; + } if (event->attr.sample_type & PERF_SAMPLE_WEIGHT_TYPE && ppmu->get_mem_weight) { |