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| author | Yabin Cui <yabinc@google.com> | 2018-05-10 15:38:00 -0700 |
|---|---|---|
| committer | Yabin Cui <yabinc@google.com> | 2018-05-14 12:01:08 -0700 |
| commit | 5e8ee336c98c760b2c9ed35f705a2f707fbf93cc (patch) | |
| tree | 2d486b7fbfe5306d36d9011871efd8250c854f29 /simpleperf/cmd_stat.cpp | |
| parent | ad48d21a88fc17c5d7cc4fa83e54a2e2521f69ac (diff) | |
| download | extras-5e8ee336c98c760b2c9ed35f705a2f707fbf93cc.tar.gz | |
simpleperf: Add support for implementation-defined raw PMU events.
The patch was sent to upstream by c.orakwue@samsung.com, then
I made some modifications to fit existing code.
Bug: none
Test: run simpleperf_unit_test.
Change-Id: Iccc74892aff972e2c11941c3587314cdf5f63abd
Diffstat (limited to 'simpleperf/cmd_stat.cpp')
| -rw-r--r-- | simpleperf/cmd_stat.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/simpleperf/cmd_stat.cpp b/simpleperf/cmd_stat.cpp index da5b603b..7deb1174 100644 --- a/simpleperf/cmd_stat.cpp +++ b/simpleperf/cmd_stat.cpp @@ -317,9 +317,12 @@ class StatCommand : public Command { " --interval-only-values.\n" "--interval-only-values Print numbers of events happened in each interval.\n" "-e event1[:modifier1],event2[:modifier2],...\n" -" Select the event list to count. Use `simpleperf list` to find\n" -" all possible event names. Modifiers can be added to define\n" -" how the event should be monitored. Possible modifiers are:\n" +" Select a list of events to count. An event can be:\n" +" 1) an event name listed in `simpleperf list`;\n" +" 2) a raw PMU event in rN format. N is a hex number.\n" +" For example, r1b selects event number 0x1b.\n" +" Modifiers can be added to define how the event should be\n" +" monitored. Possible modifiers are:\n" " u - monitor user space events only\n" " k - monitor kernel space events only\n" "--group event1[:modifier],event2[:modifier2],...\n" |