diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-10-20 09:04:41 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-10-22 12:37:45 -0300 |
| commit | b7e8452b860c299f342a012922bdd9ab8f2bb722 (patch) | |
| tree | bc5d86371df6c86237836ec0b62294bca7f86bb9 /tools/perf/util/evlist.c | |
| parent | 2fda5ada07f36f6cde39a52e7f05d86ea8ffdc33 (diff) | |
perf evsel: Mark a evsel as disabled when asking the kernel do disable it
Because there may be more such events in the ring buffer that should be
discarded when an app decides to stop considering them.
At some point we'll do this with eBPF, this way we stop them at origin,
before they are placed in the ring buffer.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-uzufuxws4hufigx07ue1dpv6@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evlist.c')
| -rw-r--r-- | tools/perf/util/evlist.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index be440df29615..e88e6f9b1463 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -358,7 +358,7 @@ void perf_evlist__disable(struct perf_evlist *evlist) struct perf_evsel *pos; evlist__for_each_entry(evlist, pos) { - if (!perf_evsel__is_group_leader(pos) || !pos->fd) + if (pos->disabled || !perf_evsel__is_group_leader(pos) || !pos->fd) continue; perf_evsel__disable(pos); } |