perf: qcom_l2_pmu: add event names (b65423ed) · Commits · 戴 / test

drivers/perf/qcom_l2_pmu.c

+54 −0

Original line number	Diff line number	Diff line
		@@ -92,6 +92,21 @@

		#define reg_idx(reg, i) (((i) * IA_L2_REG_OFFSET) + reg##_BASE)

		/*
		* Events
		*/
		#define L2_EVENT_CYCLES 0xfe
		#define L2_EVENT_DCACHE_OPS 0x400
		#define L2_EVENT_ICACHE_OPS 0x401
		#define L2_EVENT_TLBI 0x402
		#define L2_EVENT_BARRIERS 0x403
		#define L2_EVENT_TOTAL_READS 0x405
		#define L2_EVENT_TOTAL_WRITES 0x406
		#define L2_EVENT_TOTAL_REQUESTS 0x407
		#define L2_EVENT_LDREX 0x420
		#define L2_EVENT_STREX 0x421
		#define L2_EVENT_CLREX 0x422

		static DEFINE_RAW_SPINLOCK(l2_access_lock);

		/**
		@@ -700,9 +715,12 @@ static struct attribute_group l2_cache_pmu_cpumask_group = {
		/* CCG format for perf RAW codes. */
		PMU_FORMAT_ATTR(l2_code, "config:4-11");
		PMU_FORMAT_ATTR(l2_group, "config:0-3");
		PMU_FORMAT_ATTR(event, "config:0-11");

		static struct attribute *l2_cache_pmu_formats[] = {
		&format_attr_l2_code.attr,
		&format_attr_l2_group.attr,
		&format_attr_event.attr,
		NULL,
		};

		@@ -711,9 +729,45 @@ static struct attribute_group l2_cache_pmu_format_group = {
		.attrs = l2_cache_pmu_formats,
		};

		static ssize_t l2cache_pmu_event_show(struct device *dev,
		struct device_attribute attr, char page)
		{
		struct perf_pmu_events_attr *pmu_attr;

		pmu_attr = container_of(attr, struct perf_pmu_events_attr, attr);
		return sprintf(page, "event=0x%02llx\n", pmu_attr->id);
		}

		#define L2CACHE_EVENT_ATTR(_name, _id) \
		(&((struct perf_pmu_events_attr[]) { \
		{ .attr = __ATTR(_name, 0444, l2cache_pmu_event_show, NULL), \
		.id = _id, } \
		})[0].attr.attr)

		static struct attribute *l2_cache_pmu_events[] = {
		L2CACHE_EVENT_ATTR(cycles, L2_EVENT_CYCLES),
		L2CACHE_EVENT_ATTR(dcache-ops, L2_EVENT_DCACHE_OPS),
		L2CACHE_EVENT_ATTR(icache-ops, L2_EVENT_ICACHE_OPS),
		L2CACHE_EVENT_ATTR(tlbi, L2_EVENT_TLBI),
		L2CACHE_EVENT_ATTR(barriers, L2_EVENT_BARRIERS),
		L2CACHE_EVENT_ATTR(total-reads, L2_EVENT_TOTAL_READS),
		L2CACHE_EVENT_ATTR(total-writes, L2_EVENT_TOTAL_WRITES),
		L2CACHE_EVENT_ATTR(total-requests, L2_EVENT_TOTAL_REQUESTS),
		L2CACHE_EVENT_ATTR(ldrex, L2_EVENT_LDREX),
		L2CACHE_EVENT_ATTR(strex, L2_EVENT_STREX),
		L2CACHE_EVENT_ATTR(clrex, L2_EVENT_CLREX),
		NULL
		};

		static struct attribute_group l2_cache_pmu_events_group = {
		.name = "events",
		.attrs = l2_cache_pmu_events,
		};

		static const struct attribute_group *l2_cache_pmu_attr_grps[] = {
		&l2_cache_pmu_format_group,
		&l2_cache_pmu_cpumask_group,
		&l2_cache_pmu_events_group,
		NULL,
		};

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