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| author | Ingo Molnar <mingo@elte.hu> | 2008-12-14 12:34:15 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-14 20:31:26 +0100 |
| commit | 6c594c21fcb02c662f11c97be4d7d2b73060a205 (patch) | |
| tree | dbd56d57fbc4576e18002a5cc08b1f4327a2248f /include/linux/perf_counter.h | |
| parent | 5d6a27d8a096868ae313f71f563b06074a7e34fe (diff) | |
| download | lwn-6c594c21fcb02c662f11c97be4d7d2b73060a205.tar.gz lwn-6c594c21fcb02c662f11c97be4d7d2b73060a205.zip | |
perfcounters: add task migrations counter
Impact: add new feature, new sw counter
Add a counter that counts the number of cross-CPU migrations a
task is suffering.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/perf_counter.h')
| -rw-r--r-- | include/linux/perf_counter.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h index d2a16563415f..f30486fc55d7 100644 --- a/include/linux/perf_counter.h +++ b/include/linux/perf_counter.h @@ -42,6 +42,8 @@ enum hw_event_types { PERF_COUNT_BRANCH_INSTRUCTIONS = 4, PERF_COUNT_BRANCH_MISSES = 5, + PERF_HW_EVENTS_MAX = 6, + /* * Special "software" counters provided by the kernel, even if * the hardware does not support performance counters. These @@ -50,11 +52,11 @@ enum hw_event_types { */ PERF_COUNT_CPU_CLOCK = -1, PERF_COUNT_TASK_CLOCK = -2, - /* - * Future software events: - */ PERF_COUNT_PAGE_FAULTS = -3, PERF_COUNT_CONTEXT_SWITCHES = -4, + PERF_COUNT_CPU_MIGRATIONS = -5, + + PERF_SW_EVENTS_MIN = -6, }; /* |