diff options
| author | Ian Rogers <[email protected]> | 2024-04-16 10:00:13 -0700 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2024-04-18 22:22:51 -0300 |
| commit | eb4d27cf9aef3e6c9bcaf8fa1a1cadc2433d847b (patch) | |
| tree | 0cf341b78e2e5b0a37185d89649e8fe4a74fb11e | |
| parent | 6b718ac6874c2233b8dec369a8a377d6c5b638e6 (diff) | |
perf docs: Document bpf event modifier
Document that 'b' is used as a modifier to make an event use a BPF
counter.
Fixes: 01bd8efcec444468 ("perf stat: Introduce ':b' modifier")
Signed-off-by: Ian Rogers <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Athira Rajeev <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Kan Liang <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Ravi Bangoria <[email protected]>
Cc: Song Liu <[email protected]>
Cc: Thomas Richter <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
| -rw-r--r-- | tools/perf/Documentation/perf-list.txt | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-list.txt b/tools/perf/Documentation/perf-list.txt index 3b12595193c9..6bf2468f59d3 100644 --- a/tools/perf/Documentation/perf-list.txt +++ b/tools/perf/Documentation/perf-list.txt @@ -71,6 +71,7 @@ counted. The following modifiers exist: D - pin the event to the PMU W - group is weak and will fallback to non-group if not schedulable, e - group or event are exclusive and do not share the PMU + b - use BPF aggregration (see perf stat --bpf-counters) The 'p' modifier can be used for specifying how precise the instruction address should be. The 'p' modifier can be specified multiple times: |