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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: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Will Deacon 2018-10-05 13:33:02 +01:00
parent 4b47e573a4
commit 2ddd5e5825
1 changed files with 24 additions and 0 deletions
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24
arch/arm64/kernel/perf_event.c
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@ -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,
};