Commit 7fded33c authored by Jing Zhang's avatar Jing Zhang Committed by Namhyung Kim
Browse files

perf test: Add pmu-event test for "Compat" and new event_field. 



Add new event test for uncore system event which is used to verify the
functionality of "Compat" matching multiple identifiers and the new event
fields "EventidCode" and "NodeType".

Signed-off-by: default avatarJing Zhang <renyu.zj@linux.alibaba.com>
Reviewed-by: default avatarIan Rogers <irogers@google.com>
Tested-by: default avatarIan Rogers <irogers@google.com>
Cc: James Clark <james.clark@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Shuai Xue <xueshuai@linux.alibaba.com>
Cc: Zhuo Song <zhuo.song@linux.alibaba.com>
Cc: John Garry <john.g.garry@oracle.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-doc@vger.kernel.org
Link: https://lore.kernel.org/r/1695794391-34817-6-git-send-email-renyu.zj@linux.alibaba.com


Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
parent 3bb59e75

tools/perf/pmu-events/arch/test/test_soc/sys/uncore.json

+8 −0
Original line number Diff line number Diff line
@@ -12,5 +12,13 @@ 
           "EventName": "sys_ccn_pmu.read_cycles",

           "Unit": "sys_ccn_pmu",

           "Compat": "0x01"

   },

   {

           "BriefDescription": "Counts total cache misses in first lookup result (high priority)",

           "EventidCode": "0x1",

           "NodeType": "0x5",

           "EventName": "sys_cmn_pmu.hnf_cache_miss",

           "Unit": "sys_cmn_pmu",

           "Compat": "(434|436|43c|43a).*"

   }

]

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

+8 −0
Original line number Diff line number Diff line
@@ -244,6 +244,14 @@ static const struct pmu_event pmu_events__test_soc_sys[] = { 
		.topic = "uncore",

		.pmu = "uncore_sys_ccn_pmu",

	},

	{

		.name = "sys_cmn_pmu.hnf_cache_miss",

		.event = "eventid=0x1,type=0x5",

		.desc = "Counts total cache misses in first lookup result (high priority). Unit: uncore_sys_cmn_pmu ",

		.compat = "(434|436|43c|43a).*",

		.topic = "uncore",

		.pmu = "uncore_sys_cmn_pmu",

	},

	{

		.name = 0,

		.event = 0,

tools/perf/tests/pmu-events.c

+55 −0
Original line number Diff line number Diff line
@@ -262,9 +262,24 @@ static const struct perf_pmu_test_event sys_ccn_pmu_read_cycles = { 
	.matching_pmu = "uncore_sys_ccn_pmu4",

};



static const struct perf_pmu_test_event sys_cmn_pmu_hnf_cache_miss = {

	.event = {

		.name = "sys_cmn_pmu.hnf_cache_miss",

		.event = "eventid=0x1,type=0x5",

		.desc = "Counts total cache misses in first lookup result (high priority)",

		.topic = "uncore",

		.pmu = "uncore_sys_cmn_pmu",

		.compat = "(434|436|43c|43a).*",

	},

	.alias_str = "eventid=0x1,type=0x5",

	.alias_long_desc = "Counts total cache misses in first lookup result (high priority)",

	.matching_pmu = "uncore_sys_cmn_pmu0",

};



static const struct perf_pmu_test_event *sys_events[] = {

	&sys_ddr_pmu_write_cycles,

	&sys_ccn_pmu_read_cycles,

	&sys_cmn_pmu_hnf_cache_miss,

	NULL

};
@@ -707,6 +722,46 @@ static struct perf_pmu_test_pmu test_pmus[] = { 
			&sys_ccn_pmu_read_cycles,

		},

	},

	{

		.pmu = {

			.name = (char *)"uncore_sys_cmn_pmu0",

			.is_uncore = 1,

			.id = (char *)"43401",

		},

		.aliases = {

			&sys_cmn_pmu_hnf_cache_miss,

		},

	},

	{

		.pmu = {

			.name = (char *)"uncore_sys_cmn_pmu0",

			.is_uncore = 1,

			.id = (char *)"43602",

		},

		.aliases = {

			&sys_cmn_pmu_hnf_cache_miss,

		},

	},

	{

		.pmu = {

			.name = (char *)"uncore_sys_cmn_pmu0",

			.is_uncore = 1,

			.id = (char *)"43c03",

		},

		.aliases = {

			&sys_cmn_pmu_hnf_cache_miss,

		},

	},

	{

		.pmu = {

			.name = (char *)"uncore_sys_cmn_pmu0",

			.is_uncore = 1,

			.id = (char *)"43a01",

		},

		.aliases = {

			&sys_cmn_pmu_hnf_cache_miss,

		},

	}

};



/* Test that aliases generated are as expected */