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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-05-08 20:52:24 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-05-08 22:36:59 +0400 |
| commit | f370e1e2f195ec1e6420e26fc83e0319595db578 (patch) | |
| tree | 08276ee556bbc91d4d5f3ccee05d930efbca77ef /include/linux/perf_counter.h | |
| parent | a85f61abe11a46553c4562e74edb27ebc782aeb7 (diff) | |
| download | linux-f370e1e2f195ec1e6420e26fc83e0319595db578.tar.xz | |
perf_counter: add PERF_RECORD_CPU
Allow recording the CPU number the event was generated on.
RFC: this leaves a u32 as reserved, should we fill in the
node_id() there, or leave this open for future extention,
as userspace can already easily do the cpu->node mapping
if needed.
[ Impact: extend perfcounter output record format ]
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
LKML-Reference: <20090508170029.008627711@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/perf_counter.h')
| -rw-r--r-- | include/linux/perf_counter.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h index 0e6303d36c66..614f921d616a 100644 --- a/include/linux/perf_counter.h +++ b/include/linux/perf_counter.h @@ -105,6 +105,7 @@ enum perf_counter_record_format { PERF_RECORD_GROUP = 1U << 4, PERF_RECORD_CALLCHAIN = 1U << 5, PERF_RECORD_CONFIG = 1U << 6, + PERF_RECORD_CPU = 1U << 7, }; /* @@ -260,6 +261,7 @@ enum perf_event_type { * { u64 time; } && PERF_RECORD_TIME * { u64 addr; } && PERF_RECORD_ADDR * { u64 config; } && PERF_RECORD_CONFIG + * { u32 cpu, res; } && PERF_RECORD_CPU * * { u64 nr; * { u64 event, val; } cnt[nr]; } && PERF_RECORD_GROUP |