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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-11-20 22:19:43 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-11-21 14:11:35 +0100 |
| commit | 453f19eea7dbad837425e9b07d84568d14898794 (patch) | |
| tree | 3b1d757a72512b5ab566649b9eda59e032734993 /include | |
| parent | perf symbols: Change the kernel DSO name if it comes from kallsyms (diff) | |
| download | linux-453f19eea7dbad837425e9b07d84568d14898794.tar.xz linux-453f19eea7dbad837425e9b07d84568d14898794.zip | |
perf: Allow for custom overflow handlers
in-kernel perf users might wish to have custom actions on the
sample interrupt.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <20091120212508.222339539@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/perf_event.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index b5cdac0de370..a430ac3074af 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -567,6 +567,8 @@ struct perf_pending_entry { typedef void (*perf_callback_t)(struct perf_event *, void *); +struct perf_sample_data; + /** * struct perf_event - performance event kernel representation: */ @@ -658,6 +660,10 @@ struct perf_event { struct pid_namespace *ns; u64 id; + void (*overflow_handler)(struct perf_event *event, + int nmi, struct perf_sample_data *data, + struct pt_regs *regs); + #ifdef CONFIG_EVENT_PROFILE struct event_filter *filter; #endif |