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| author | Namhyung Kim <namhyung@kernel.org> | 2020-03-25 13:45:30 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-04-03 14:37:55 +0200 |
| commit | ba78c1c5461c2fc2f57b777e971b3a9ec0df5666 (patch) | |
| tree | 751b4855e928a27eababaa590ca8ffd3e261151c /tools/perf/util/synthetic-events.c | |
| parent | perf tools: Add file-handle feature test (diff) | |
| download | linux-ba78c1c5461c2fc2f57b777e971b3a9ec0df5666.tar.xz linux-ba78c1c5461c2fc2f57b777e971b3a9ec0df5666.zip | |
perf tools: Basic support for CGROUP event
Implement basic functionality to support cgroup tracking. Each cgroup
can be identified by inode number which can be read from userspace too.
The actual cgroup processing will come in the later patch.
Reported-by: kernel test robot <rong.a.chen@intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
[ fix perf test failure on sampling parsing ]
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20200325124536.2800725-4-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/synthetic-events.c')
| -rw-r--r-- | tools/perf/util/synthetic-events.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c index 3f28af39f9c6..f72d80999506 100644 --- a/tools/perf/util/synthetic-events.c +++ b/tools/perf/util/synthetic-events.c @@ -1230,6 +1230,9 @@ size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type, if (type & PERF_SAMPLE_PHYS_ADDR) result += sizeof(u64); + if (type & PERF_SAMPLE_CGROUP) + result += sizeof(u64); + if (type & PERF_SAMPLE_AUX) { result += sizeof(u64); result += sample->aux_sample.size; @@ -1404,6 +1407,11 @@ int perf_event__synthesize_sample(union perf_event *event, u64 type, u64 read_fo array++; } + if (type & PERF_SAMPLE_CGROUP) { + *array = sample->cgroup; + array++; + } + if (type & PERF_SAMPLE_AUX) { sz = sample->aux_sample.size; *array++ = sz; |