diff options
| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-03-13 12:21:34 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-06 09:29:40 +0200 |
| commit | ac17dc8e58f3069ea895cfff963adf98ff3cf6b2 (patch) | |
| tree | fe07b13dd100fd1f650d8437296f5c6908e9adea /kernel | |
| parent | 7dd1fcc258b65da718f01e4684a7b9244501a9fb (diff) | |
perf_counter: provide major/minor page fault software events
Provide separate sw counters for major and minor page faults.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/perf_counter.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c index 1773c5d7427..68950a3a52b 100644 --- a/kernel/perf_counter.c +++ b/kernel/perf_counter.c @@ -1503,6 +1503,12 @@ static void perf_swcounter_disable(struct perf_counter *counter) perf_swcounter_update(counter); } +static const struct hw_perf_counter_ops perf_ops_generic = { + .enable = perf_swcounter_enable, + .disable = perf_swcounter_disable, + .read = perf_swcounter_read, +}; + /* * Software counter: cpu wall time clock */ @@ -1604,16 +1610,6 @@ static const struct hw_perf_counter_ops perf_ops_task_clock = { }; /* - * Software counter: page faults - */ - -static const struct hw_perf_counter_ops perf_ops_page_faults = { - .enable = perf_swcounter_enable, - .disable = perf_swcounter_disable, - .read = perf_swcounter_read, -}; - -/* * Software counter: context switches */ @@ -1753,9 +1749,9 @@ sw_perf_counter_init(struct perf_counter *counter) hw_ops = &perf_ops_cpu_clock; break; case PERF_COUNT_PAGE_FAULTS: - if (!(counter->hw_event.exclude_user || - counter->hw_event.exclude_kernel)) - hw_ops = &perf_ops_page_faults; + case PERF_COUNT_PAGE_FAULTS_MIN: + case PERF_COUNT_PAGE_FAULTS_MAJ: + hw_ops = &perf_ops_generic; break; case PERF_COUNT_CONTEXT_SWITCHES: if (!counter->hw_event.exclude_kernel) |