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perf: New helper function for pmu name

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Introduce perf_pmu_name() helper function that returns the name of the
pmu. This gives us a generic way to get the name of a pmu regardless of
how an architecture identifies it internally.

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Robert Richter <robert.richter@amd.com>
This commit is contained in:
Matt Fleming 2010-10-03 21:41:13 +01:00 • committed by Robert Richter
parent 3bf101ba42
commit 84c7991059
3 changed files with 15 additions and 0 deletions
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include/linux/perf_event.h
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@ -850,6 +850,7 @@ extern int perf_max_events;
extern const struct pmu *hw_perf_event_init(struct perf_event *event);
extern int perf_num_counters(void);
extern const char *perf_pmu_name(void);
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);
extern void perf_event_task_tick(struct task_struct *task);