diff options
author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-03-25 12:30:23 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-04-06 09:30:33 +0200 |
commit | 5c1481943250ab65fa5130e05ec479c93216e9f7 (patch) | |
tree | 8fa6bb7e95a91b03e54fc01af6f9192a4eb7d4a6 /include/linux | |
parent | b9cacc7bf193df16532bfa7d7ca77fe50fc3c2e6 (diff) |
perf_counter: output objects
Provide a {type,size} header for each output entry.
This should provide extensible output, and the ability to mix multiple streams.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Arjan van de Ven <arjan@infradead.org>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Orig-LKML-Reference: <20090325113316.831607932@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/perf_counter.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h index 48212c15b7d..c256635377d 100644 --- a/include/linux/perf_counter.h +++ b/include/linux/perf_counter.h @@ -156,6 +156,16 @@ struct perf_counter_mmap_page { __u32 data_head; /* head in the data section */ }; +struct perf_event_header { + __u32 type; + __u32 size; +}; + +enum perf_event_type { + PERF_EVENT_IP = 0, + PERF_EVENT_GROUP = 1, +}; + #ifdef __KERNEL__ /* * Kernel-internal data types and definitions: @@ -260,6 +270,7 @@ struct perf_counter { struct list_head list_entry; struct list_head event_entry; struct list_head sibling_list; + int nr_siblings; struct perf_counter *group_leader; const struct hw_perf_counter_ops *hw_ops; |