diff options
author | Namhyung Kim <namhyung@kernel.org> | 2020-03-25 21:45:30 +0900 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-04-03 09:37:55 -0300 |
commit | ba78c1c5461c2fc2f57b777e971b3a9ec0df5666 (patch) | |
tree | 751b4855e928a27eababaa590ca8ffd3e261151c /tools/perf/util/evsel.c | |
parent | 49f550ea87c73671ee4d5e08820e0976894dd610 (diff) | |
download | linux-ba78c1c5461c2fc2f57b777e971b3a9ec0df5666.tar.bz2 |
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/evsel.c')
-rw-r--r-- | tools/perf/util/evsel.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 15ccd193483f..b766eb608b97 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -2267,6 +2267,12 @@ int perf_evsel__parse_sample(struct evsel *evsel, union perf_event *event, array++; } + data->cgroup = 0; + if (type & PERF_SAMPLE_CGROUP) { + data->cgroup = *array; + array++; + } + if (type & PERF_SAMPLE_AUX) { OVERFLOW_CHECK_u64(array); sz = *array++; |