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/evsel.h | |
| parent | perf evsel: Introduce per event max_events property (diff) | |
| download | linux-dev-b7e8452b860c299f342a012922bdd9ab8f2bb722.tar.xz linux-dev-b7e8452b860c299f342a012922bdd9ab8f2bb722.zip | |
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 '')
| -rw-r--r-- | tools/perf/util/evsel.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index ad5d615c6db6..4ef50f157b50 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -122,6 +122,7 @@ struct perf_evsel { bool snapshot; bool supported; bool needs_swap; + bool disabled; bool no_aux_samples; bool immediate; bool system_wide; |