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perfcounters: add context switch counter

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Impact: add new feature, new sw counter

Add a counter that counts the number of context-switches a task
is doing.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar
2008-12-14 12:28:33 +01:00
parent 8cb391e878
commit 5d6a27d8a0
2 changed files with 53 additions and 2 deletions
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4
include/linux/perf_counter.h
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@@ -53,8 +53,8 @@ enum hw_event_types {
/*
* Future software events:
*/
/* PERF_COUNT_PAGE_FAULTS = -3,
PERF_COUNT_CONTEXT_SWITCHES = -4, */
PERF_COUNT_PAGE_FAULTS = -3,
PERF_COUNT_CONTEXT_SWITCHES = -4,
};
/*