2023-08-07 08:25:16

by Jing Zhang

[permalink] [raw]
Subject: [PATCH v6 5/7] 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 "Type".

Signed-off-by: Jing Zhang <[email protected]>
---
.../pmu-events/arch/test/test_soc/sys/uncore.json | 8 ++++
tools/perf/tests/pmu-events.c | 55 ++++++++++++++++++++++
2 files changed, 63 insertions(+)

diff --git a/tools/perf/pmu-events/arch/test/test_soc/sys/uncore.json b/tools/perf/pmu-events/arch/test/test_soc/sys/uncore.json
index c7e7528..19ec595 100644
--- a/tools/perf/pmu-events/arch/test/test_soc/sys/uncore.json
+++ b/tools/perf/pmu-events/arch/test/test_soc/sys/uncore.json
@@ -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).",
+ "Type": "0x05",
+ "EventIdCode": "0x01",
+ "EventName": "sys_cmn_pmu.hnf_cache_miss",
+ "Unit": "sys_cmn_pmu",
+ "Compat": "434*;436*;43c*;43a01"
}
]
diff --git a/tools/perf/tests/pmu-events.c b/tools/perf/tests/pmu-events.c
index 3204252..79fb3e2 100644
--- a/tools/perf/tests/pmu-events.c
+++ b/tools/perf/tests/pmu-events.c
@@ -255,9 +255,24 @@ struct perf_pmu_test_pmu {
.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 = "type=0x05,eventid=0x01",
+ .desc = "Counts total cache misses in first lookup result (high priority). Unit: uncore_sys_cmn_pmu ",
+ .topic = "uncore",
+ .pmu = "uncore_sys_cmn_pmu",
+ .compat = "434*;436*;43c*;43a01",
+ },
+ .alias_str = "type=0x5,eventid=0x1",
+ .alias_long_desc = "Counts total cache misses in first lookup result (high priority). Unit: uncore_sys_cmn_pmu ",
+ .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
};

@@ -704,6 +719,46 @@ static int __test_uncore_pmu_event_aliases(struct perf_pmu_test_pmu *test_pmu)
&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 */
--
1.8.3.1



2023-08-07 11:11:00

by John Garry

[permalink] [raw]
Subject: Re: [PATCH v6 5/7] perf test: Add pmu-event test for "Compat" and new event_field.

On 07/08/2023 08:51, Jing Zhang wrote:
> 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 "Type".
>
> Signed-off-by: Jing Zhang<[email protected]>


Reviewed-by: John Garry <[email protected]>

2023-08-15 16:02:33

by Jing Zhang

[permalink] [raw]
Subject: Re: [PATCH v6 5/7] perf test: Add pmu-event test for "Compat" and new event_field.



在 2023/8/15 上午9:11, Ian Rogers 写道:
> On Mon, Aug 7, 2023 at 12:51 AM Jing Zhang <[email protected]> wrote:
>>
>> 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 "Type".
>>
>> Signed-off-by: Jing Zhang <[email protected]>
>
> Did you test with NO_JEVENTS=1?
>

You are absolutely right. I completely overlooked the case where NO_JEVENTS=1.


>> ---
>> .../pmu-events/arch/test/test_soc/sys/uncore.json | 8 ++++
>> tools/perf/tests/pmu-events.c | 55 ++++++++++++++++++++++
>> 2 files changed, 63 insertions(+)
>>
>> diff --git a/tools/perf/pmu-events/arch/test/test_soc/sys/uncore.json b/tools/perf/pmu-events/arch/test/test_soc/sys/uncore.json
>> index c7e7528..19ec595 100644
>> --- a/tools/perf/pmu-events/arch/test/test_soc/sys/uncore.json
>> +++ b/tools/perf/pmu-events/arch/test/test_soc/sys/uncore.json
>> @@ -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).",
>> + "Type": "0x05",
>> + "EventIdCode": "0x01",
>> + "EventName": "sys_cmn_pmu.hnf_cache_miss",
>> + "Unit": "sys_cmn_pmu",
>> + "Compat": "434*;436*;43c*;43a01"
>
> I suspect this needs adding here:
> https://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next.git/tree/tools/perf/pmu-events/empty-pmu-events.c?h=perf-tools-next#n247
>
After adding the relevant code in empty-pmu-events.c, it can successfully test with NO_JEVENTS=1.

Thanks,
Jing

> Thanks,
> Ian
>
>> }
>> ]
>> diff --git a/tools/perf/tests/pmu-events.c b/tools/perf/tests/pmu-events.c
>> index 3204252..79fb3e2 100644
>> --- a/tools/perf/tests/pmu-events.c
>> +++ b/tools/perf/tests/pmu-events.c
>> @@ -255,9 +255,24 @@ struct perf_pmu_test_pmu {
>> .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 = "type=0x05,eventid=0x01",
>> + .desc = "Counts total cache misses in first lookup result (high priority). Unit: uncore_sys_cmn_pmu ",
>> + .topic = "uncore",
>> + .pmu = "uncore_sys_cmn_pmu",
>> + .compat = "434*;436*;43c*;43a01",
>> + },
>> + .alias_str = "type=0x5,eventid=0x1",
>> + .alias_long_desc = "Counts total cache misses in first lookup result (high priority). Unit: uncore_sys_cmn_pmu ",
>> + .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
>> };
>>
>> @@ -704,6 +719,46 @@ static int __test_uncore_pmu_event_aliases(struct perf_pmu_test_pmu *test_pmu)
>> &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 */
>> --
>> 1.8.3.1
>>