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[patch V2 09/28] perf: Allow storage of pmu private data in event

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  [patch V2 09/28] perf: Allow storage of pmu private data in event Thomas Gleixner <tglx@linutronix.de> - 2016-02-22 12:20 +0100

#1339363 — [patch V2 09/28] perf: Allow storage of pmu private data in event

For pmus which are not per cpu, but e.g. per package/socket, we want to be
able to store a reference to the underlying per package/socket facility in the
event at init time so we can avoid magic storage constructs in the pmu driver.

This allows us to get rid of the per cpu dance in the intel uncore and rapl
drivers.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 include/linux/perf_event.h |    1 +
 1 file changed, 1 insertion(+)

--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -467,6 +467,7 @@ struct perf_event {
 	int				group_flags;
 	struct perf_event		*group_leader;
 	struct pmu			*pmu;
+	void				*pmu_private;
 
 	enum perf_event_active_state	state;
 	unsigned int			attach_state;

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