perf pmu-events: Move test events/metrics to JSON

Move arrays of pmu_events into the JSON code so that it may be
regenerated and modified by the jevents.py script.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20220812230949.683239-10-irogers@google.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/pmu-events/arch/test/test_soc/cpu/metrics.json

+[
+  {
+    "MetricExpr": "1 / IPC",
+    "MetricName": "CPI"
+  },
+  {
+    "MetricExpr": "inst_retired.any / cpu_clk_unhalted.thread",
+    "MetricName": "IPC",
+    "MetricGroup": "group1"
+  },
+  {
+    "MetricExpr": "idq_uops_not_delivered.core / (4 * (( ( cpu_clk_unhalted.thread / 2 ) * ( 1 + cpu_clk_unhalted.one_thread_active / cpu_clk_unhalted.ref_xclk ) )))",
+    "MetricName": "Frontend_Bound_SMT"
+  },
+  {
+    "MetricExpr": "l1d\\-loads\\-misses / inst_retired.any",
+    "MetricName": "dcache_miss_cpi"
+  },
+  {
+    "MetricExpr": "l1i\\-loads\\-misses / inst_retired.any",
+    "MetricName": "icache_miss_cycles"
+  },
+  {
+    "MetricExpr": "(dcache_miss_cpi + icache_miss_cycles)",
+    "MetricName": "cache_miss_cycles",
+    "MetricGroup": "group1"
+  },
+  {
+    "MetricExpr": "l2_rqsts.demand_data_rd_hit + l2_rqsts.pf_hit + l2_rqsts.rfo_hit",
+    "MetricName": "DCache_L2_All_Hits"
+  },
+  {
+    "MetricExpr": "max(l2_rqsts.all_demand_data_rd - l2_rqsts.demand_data_rd_hit, 0) + l2_rqsts.pf_miss + l2_rqsts.rfo_miss",
+    "MetricName": "DCache_L2_All_Miss"
+  },
+  {
+    "MetricExpr": "dcache_l2_all_hits + dcache_l2_all_miss",
+    "MetricName": "DCache_L2_All"
+  },
+  {
+    "MetricExpr": "d_ratio(dcache_l2_all_hits, dcache_l2_all)",
+    "MetricName": "DCache_L2_Hits"
+  },
+  {
+    "MetricExpr": "d_ratio(dcache_l2_all_miss, dcache_l2_all)",
+    "MetricName": "DCache_L2_Misses"
+  },
+  {
+    "MetricExpr": "ipc + M2",
+    "MetricName": "M1"
+  },
+  {
+    "MetricExpr": "ipc + M1",
+    "MetricName": "M2"
+  },
+  {
+    "MetricExpr": "1/M3",
+    "MetricName": "M3"
+  },
+  {
+    "MetricExpr": "64 * l1d.replacement / 1000000000 / duration_time",
+    "MetricName": "L1D_Cache_Fill_BW"
+  }
+]

tools/perf/pmu-events/empty-pmu-events.c

@@ -105,6 +105,70 @@ static const struct pmu_event pme_test_soc_cpu[] = {
 		.desc = "L2 BTB Correction",
 		.topic = "branch",
 	},
+	{
+		.metric_expr	= "1 / IPC",
+		.metric_name	= "CPI",
+	},
+	{
+		.metric_expr	= "inst_retired.any / cpu_clk_unhalted.thread",
+		.metric_name	= "IPC",
+		.metric_group	= "group1",
+	},
+	{
+		.metric_expr	= "idq_uops_not_delivered.core / (4 * (( ( cpu_clk_unhalted.thread / 2 ) * "
+		"( 1 + cpu_clk_unhalted.one_thread_active / cpu_clk_unhalted.ref_xclk ) )))",
+		.metric_name	= "Frontend_Bound_SMT",
+	},
+	{
+		.metric_expr	= "l1d\\-loads\\-misses / inst_retired.any",
+		.metric_name	= "dcache_miss_cpi",
+	},
+	{
+		.metric_expr	= "l1i\\-loads\\-misses / inst_retired.any",
+		.metric_name	= "icache_miss_cycles",
+	},
+	{
+		.metric_expr	= "(dcache_miss_cpi + icache_miss_cycles)",
+		.metric_name	= "cache_miss_cycles",
+		.metric_group	= "group1",
+	},
+	{
+		.metric_expr	= "l2_rqsts.demand_data_rd_hit + l2_rqsts.pf_hit + l2_rqsts.rfo_hit",
+		.metric_name	= "DCache_L2_All_Hits",
+	},
+	{
+		.metric_expr	= "max(l2_rqsts.all_demand_data_rd - l2_rqsts.demand_data_rd_hit, 0) + "
+		"l2_rqsts.pf_miss + l2_rqsts.rfo_miss",
+		.metric_name	= "DCache_L2_All_Miss",
+	},
+	{
+		.metric_expr	= "dcache_l2_all_hits + dcache_l2_all_miss",
+		.metric_name	= "DCache_L2_All",
+	},
+	{
+		.metric_expr	= "d_ratio(dcache_l2_all_hits, dcache_l2_all)",
+		.metric_name	= "DCache_L2_Hits",
+	},
+	{
+		.metric_expr	= "d_ratio(dcache_l2_all_miss, dcache_l2_all)",
+		.metric_name	= "DCache_L2_Misses",
+	},
+	{
+		.metric_expr	= "ipc + M2",
+		.metric_name	= "M1",
+	},
+	{
+		.metric_expr	= "ipc + M1",
+		.metric_name	= "M2",
+	},
+	{
+		.metric_expr	= "1/M3",
+		.metric_name	= "M3",
+	},
+	{
+		.metric_expr	= "64 * l1d.replacement / 1000000000 / duration_time",
+		.metric_name	= "L1D_Cache_Fill_BW",
+	},
 	{
 		.name = 0,
 		.event = 0,

tools/perf/tests/expand-cgroup.c

@@ -180,26 +180,13 @@ static int expand_metric_events(void)
 	struct evlist *evlist;
 	struct rblist metric_events;
 	const char metric_str[] = "CPI";
-
-	struct pmu_event pme_test[] = {
-		{
-			.metric_expr	= "instructions / cycles",
-			.metric_name	= "IPC",
-		},
-		{
-			.metric_expr	= "1 / IPC",
-			.metric_name	= "CPI",
-		},
-		{
-			.metric_expr	= NULL,
-			.metric_name	= NULL,
-		},
-	};
+	const struct pmu_event *pme_test;
 
 	evlist = evlist__new();
 	TEST_ASSERT_VAL("failed to get evlist", evlist);
 
 	rblist__init(&metric_events);
+	pme_test = find_core_events_table("testarch", "testcpu");
 	ret = metricgroup__parse_groups_test(evlist, pme_test, metric_str,
 					     false, false, &metric_events);
 	if (ret < 0) {

tools/perf/tests/parse-metric.c

@@ -13,72 +13,6 @@
 #include "stat.h"
 #include "pmu.h"
 
-static struct pmu_event pme_test[] = {
-{
-	.metric_expr	= "inst_retired.any / cpu_clk_unhalted.thread",
-	.metric_name	= "IPC",
-	.metric_group	= "group1",
-},
-{
-	.metric_expr	= "idq_uops_not_delivered.core / (4 * (( ( cpu_clk_unhalted.thread / 2 ) * "
-			  "( 1 + cpu_clk_unhalted.one_thread_active / cpu_clk_unhalted.ref_xclk ) )))",
-	.metric_name	= "Frontend_Bound_SMT",
-},
-{
-	.metric_expr	= "l1d\\-loads\\-misses / inst_retired.any",
-	.metric_name	= "dcache_miss_cpi",
-},
-{
-	.metric_expr	= "l1i\\-loads\\-misses / inst_retired.any",
-	.metric_name	= "icache_miss_cycles",
-},
-{
-	.metric_expr	= "(dcache_miss_cpi + icache_miss_cycles)",
-	.metric_name	= "cache_miss_cycles",
-	.metric_group	= "group1",
-},
-{
-	.metric_expr	= "l2_rqsts.demand_data_rd_hit + l2_rqsts.pf_hit + l2_rqsts.rfo_hit",
-	.metric_name	= "DCache_L2_All_Hits",
-},
-{
-	.metric_expr	= "max(l2_rqsts.all_demand_data_rd - l2_rqsts.demand_data_rd_hit, 0) + "
-			  "l2_rqsts.pf_miss + l2_rqsts.rfo_miss",
-	.metric_name	= "DCache_L2_All_Miss",
-},
-{
-	.metric_expr	= "dcache_l2_all_hits + dcache_l2_all_miss",
-	.metric_name	= "DCache_L2_All",
-},
-{
-	.metric_expr	= "d_ratio(dcache_l2_all_hits, dcache_l2_all)",
-	.metric_name	= "DCache_L2_Hits",
-},
-{
-	.metric_expr	= "d_ratio(dcache_l2_all_miss, dcache_l2_all)",
-	.metric_name	= "DCache_L2_Misses",
-},
-{
-	.metric_expr	= "ipc + m2",
-	.metric_name	= "M1",
-},
-{
-	.metric_expr	= "ipc + m1",
-	.metric_name	= "M2",
-},
-{
-	.metric_expr	= "1/m3",
-	.metric_name	= "M3",
-},
-{
-	.metric_expr	= "64 * l1d.replacement / 1000000000 / duration_time",
-	.metric_name	= "L1D_Cache_Fill_BW",
-},
-{
-	.name	= NULL,
-}
-};
-
 struct value {
 	const char	*event;
 	u64		 val;
@@ -138,6 +72,7 @@ static int __compute_metric(const char *name, struct value *vals,
 	struct rblist metric_events = {
 		.nr_entries = 0,
 	};
+	const struct pmu_event *pme_test;
 	struct perf_cpu_map *cpus;
 	struct runtime_stat st;
 	struct evlist *evlist;
@@ -161,6 +96,7 @@ static int __compute_metric(const char *name, struct value *vals,
 	runtime_stat__init(&st);
 
 	/* Parse the metric into metric_events list. */
+	pme_test = find_core_events_table("testarch", "testcpu");
 	err = metricgroup__parse_groups_test(evlist, pme_test, name,
 					     false, false,
 					     &metric_events);