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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2010-06-11 13:35:08 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-09-09 20:46:28 +0200 |
| commit | b0a873ebbf87bf38bf70b5e39a7cadc96099fa13 (patch) | |
| tree | 63ab672b847aed295f99b9b2a3bbcfd5d3d35bd9 /include/linux/perf_event.h | |
| parent | 51b0fe39549a04858001922919ab355dee9bdfcf (diff) | |
| download | lwn-b0a873ebbf87bf38bf70b5e39a7cadc96099fa13.tar.gz lwn-b0a873ebbf87bf38bf70b5e39a7cadc96099fa13.zip | |
perf: Register PMU implementations
Simple registration interface for struct pmu, this provides the
infrastructure for removing all the weak functions.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: paulus <paulus@samba.org>
Cc: stephane eranian <eranian@googlemail.com>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Lin Ming <ming.m.lin@intel.com>
Cc: Yanmin <yanmin_zhang@linux.intel.com>
Cc: Deng-Cheng Zhu <dengcheng.zhu@gmail.com>
Cc: David Miller <davem@davemloft.net>
Cc: Michael Cree <mcree@orcon.net.nz>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/perf_event.h')
| -rw-r--r-- | include/linux/perf_event.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 09d048b52115..ab72f56eb372 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -561,6 +561,13 @@ struct perf_event; * struct pmu - generic performance monitoring unit */ struct pmu { + struct list_head entry; + + /* + * Should return -ENOENT when the @event doesn't match this pmu + */ + int (*event_init) (struct perf_event *event); + int (*enable) (struct perf_event *event); void (*disable) (struct perf_event *event); int (*start) (struct perf_event *event); @@ -849,7 +856,8 @@ struct perf_output_handle { */ extern int perf_max_events; -extern struct pmu *hw_perf_event_init(struct perf_event *event); +extern int perf_pmu_register(struct pmu *pmu); +extern void perf_pmu_unregister(struct pmu *pmu); extern void perf_event_task_sched_in(struct task_struct *task); extern void perf_event_task_sched_out(struct task_struct *task, struct task_struct *next); |