Commit 2ddd5e58 authored by Will Deacon's avatar Will Deacon
Browse files

arm64: perf: Hook up new events 



There have been some additional events added to the PMU architecture
since Armv8.0, so expose them via our sysfs infrastructure.

Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent 4b47e573

arch/arm64/kernel/perf_event.c

+24 −0
Original line number Diff line number Diff line
@@ -221,6 +221,18 @@ ARMV8_EVENT_ATTR(l2d_tlb_refill, ARMV8_PMUV3_PERFCTR_L2D_TLB_REFILL); 
ARMV8_EVENT_ATTR(l2i_tlb_refill, ARMV8_PMUV3_PERFCTR_L2I_TLB_REFILL);

ARMV8_EVENT_ATTR(l2d_tlb, ARMV8_PMUV3_PERFCTR_L2D_TLB);

ARMV8_EVENT_ATTR(l2i_tlb, ARMV8_PMUV3_PERFCTR_L2I_TLB);

ARMV8_EVENT_ATTR(remote_access, ARMV8_PMUV3_PERFCTR_REMOTE_ACCESS);

ARMV8_EVENT_ATTR(ll_cache, ARMV8_PMUV3_PERFCTR_LL_CACHE);

ARMV8_EVENT_ATTR(ll_cache_miss, ARMV8_PMUV3_PERFCTR_LL_CACHE_MISS);

ARMV8_EVENT_ATTR(dtlb_walk, ARMV8_PMUV3_PERFCTR_DTLB_WALK);

ARMV8_EVENT_ATTR(itlb_walk, ARMV8_PMUV3_PERFCTR_ITLB_WALK);

ARMV8_EVENT_ATTR(ll_cache_rd, ARMV8_PMUV3_PERFCTR_LL_CACHE_RD);

ARMV8_EVENT_ATTR(ll_cache_miss_rd, ARMV8_PMUV3_PERFCTR_LL_CACHE_MISS_RD);

ARMV8_EVENT_ATTR(remote_access_rd, ARMV8_PMUV3_PERFCTR_REMOTE_ACCESS_RD);

ARMV8_EVENT_ATTR(sample_pop, ARMV8_SPE_PERFCTR_SAMPLE_POP);

ARMV8_EVENT_ATTR(sample_feed, ARMV8_SPE_PERFCTR_SAMPLE_FEED);

ARMV8_EVENT_ATTR(sample_filtrate, ARMV8_SPE_PERFCTR_SAMPLE_FILTRATE);

ARMV8_EVENT_ATTR(sample_collision, ARMV8_SPE_PERFCTR_SAMPLE_COLLISION);



static struct attribute *armv8_pmuv3_event_attrs[] = {

	&armv8_event_attr_sw_incr.attr.attr,
@@ -271,6 +283,18 @@ static struct attribute *armv8_pmuv3_event_attrs[] = { 
	&armv8_event_attr_l2i_tlb_refill.attr.attr,

	&armv8_event_attr_l2d_tlb.attr.attr,

	&armv8_event_attr_l2i_tlb.attr.attr,

	&armv8_event_attr_remote_access.attr.attr,

	&armv8_event_attr_ll_cache.attr.attr,

	&armv8_event_attr_ll_cache_miss.attr.attr,

	&armv8_event_attr_dtlb_walk.attr.attr,

	&armv8_event_attr_itlb_walk.attr.attr,

	&armv8_event_attr_ll_cache_rd.attr.attr,

	&armv8_event_attr_ll_cache_miss_rd.attr.attr,

	&armv8_event_attr_remote_access_rd.attr.attr,

	&armv8_event_attr_sample_pop.attr.attr,

	&armv8_event_attr_sample_feed.attr.attr,

	&armv8_event_attr_sample_filtrate.attr.attr,

	&armv8_event_attr_sample_collision.attr.attr,

	NULL,

};

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