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Diffstat (limited to 'tools/perf/Documentation/perf-list.txt')
-rw-r--r-- | tools/perf/Documentation/perf-list.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-list.txt b/tools/perf/Documentation/perf-list.txt index 6345db33c533..376a50b3452d 100644 --- a/tools/perf/Documentation/perf-list.txt +++ b/tools/perf/Documentation/perf-list.txt @@ -115,6 +115,11 @@ raw encoding of 0x1A8 can be used: perf stat -e r1a8 -a sleep 1 perf record -e r1a8 ... +It's also possible to use pmu syntax: + + perf record -e r1a8 -a sleep 1 + perf record -e cpu/r1a8/ ... + You should refer to the processor specific documentation for getting these details. Some of them are referenced in the SEE ALSO section below. @@ -258,6 +263,9 @@ Normally all events in an event group sample, but with :S only the first event (the leader) samples, and it only reads the values of the other events in the group. +However, in the case AUX area events (e.g. Intel PT or CoreSight), the AUX +area event must be the leader, so then the second event samples, not the first. + OPTIONS ------- |