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Commit 5a6c9d94 authored by Kan Liang's avatar Kan Liang Committed by Ingo Molnar
Browse files

perf/x86/intel/uncore: Expose uncore_pmu_event*() functions 



Some uncores have customized PMU. For customized PMU, it does not need
to customize everything. For example, it only needs to customize init()
function for client IMC uncore. Other functions like
add()/del()/start()/stop()/read() can use generic code.

Expose the uncore_pmu_event_add/del/start/stop() functions.

Signed-off-by: default avatarKan Liang <kan.liang@intel.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: default avatarThomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: acme@kernel.org
Cc: eranian@google.com
Link: http://lkml.kernel.org/r/1525371913-10597-7-git-send-email-kan.liang@intel.com


Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 0f519f03

arch/x86/events/intel/uncore.c

+4 −4
Original line number Diff line number Diff line
@@ -451,7 +451,7 @@ static int uncore_assign_events(struct intel_uncore_box *box, int assign[], int 
	return ret ? -EINVAL : 0;

}



static void uncore_pmu_event_start(struct perf_event *event, int flags)

void uncore_pmu_event_start(struct perf_event *event, int flags)

{

	struct intel_uncore_box *box = uncore_event_to_box(event);

	int idx = event->hw.idx;
@@ -491,7 +491,7 @@ static void uncore_pmu_event_start(struct perf_event *event, int flags) 
	}

}



static void uncore_pmu_event_stop(struct perf_event *event, int flags)

void uncore_pmu_event_stop(struct perf_event *event, int flags)

{

	struct intel_uncore_box *box = uncore_event_to_box(event);

	struct hw_perf_event *hwc = &event->hw;
@@ -528,7 +528,7 @@ static void uncore_pmu_event_stop(struct perf_event *event, int flags) 
	}

}



static int uncore_pmu_event_add(struct perf_event *event, int flags)

int uncore_pmu_event_add(struct perf_event *event, int flags)

{

	struct intel_uncore_box *box = uncore_event_to_box(event);

	struct hw_perf_event *hwc = &event->hw;
@@ -600,7 +600,7 @@ static int uncore_pmu_event_add(struct perf_event *event, int flags) 
	return 0;

}



static void uncore_pmu_event_del(struct perf_event *event, int flags)

void uncore_pmu_event_del(struct perf_event *event, int flags)

{

	struct intel_uncore_box *box = uncore_event_to_box(event);

	int i;

arch/x86/events/intel/uncore.h

+4 −0
Original line number Diff line number Diff line
@@ -467,6 +467,10 @@ struct intel_uncore_box *uncore_pmu_to_box(struct intel_uncore_pmu *pmu, int cpu 
u64 uncore_msr_read_counter(struct intel_uncore_box *box, struct perf_event *event);

void uncore_pmu_start_hrtimer(struct intel_uncore_box *box);

void uncore_pmu_cancel_hrtimer(struct intel_uncore_box *box);

void uncore_pmu_event_start(struct perf_event *event, int flags);

void uncore_pmu_event_stop(struct perf_event *event, int flags);

int uncore_pmu_event_add(struct perf_event *event, int flags);

void uncore_pmu_event_del(struct perf_event *event, int flags);

void uncore_pmu_event_read(struct perf_event *event);

void uncore_perf_event_update(struct intel_uncore_box *box, struct perf_event *event);

struct event_constraint *