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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-11-20 22:19:55 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-11-21 14:11:40 +0100 |
| commit | 59ed446f792cc07d37b1536b9c4664d14e25e425 (patch) | |
| tree | 707c009e252b082ffac5c5209f4bdc013b1b5c62 /include/linux/perf_event.h | |
| parent | 2b8988c9f7defe319cffe0cd362a7cd356c86f62 (diff) | |
| download | lwn-59ed446f792cc07d37b1536b9c4664d14e25e425.tar.gz lwn-59ed446f792cc07d37b1536b9c4664d14e25e425.zip | |
perf: Fix event scaling for inherited counters
Properly account the full hierarchy of counters for both the
count (we already did so) and the scale times (new).
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <20091120212509.153379276@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/perf_event.h')
| -rw-r--r-- | include/linux/perf_event.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index a430ac3074af..36fe89f72641 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -782,7 +782,8 @@ perf_event_create_kernel_counter(struct perf_event_attr *attr, int cpu, pid_t pid, perf_callback_t callback); -extern u64 perf_event_read_value(struct perf_event *event); +extern u64 perf_event_read_value(struct perf_event *event, + u64 *enabled, u64 *running); struct perf_sample_data { u64 type; |