Re: [PATCH 4/5] perf test: Add pmu-event test for event described as "config="

From: Ian Rogers
Date: Tue Sep 28 2021 - 14:03:22 EST


On Thu, Sep 16, 2021 at 5:39 AM John Garry <john.garry@xxxxxxxxxx> wrote:
>
> Add a new test event for a system event whose event member is in form
> "config=".
>
> Signed-off-by: John Garry <john.garry@xxxxxxxxxx>

Acked-by: Ian Rogers <irogers@xxxxxxxxxx>

Thanks,
Ian

> ---
> .../arch/test/test_soc/sys/uncore.json | 7 ++++++
> tools/perf/tests/pmu-events.c | 25 +++++++++++++++++++
> 2 files changed, 32 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 0f681a6e10ea..c7e7528db315 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
> @@ -6,4 +6,11 @@
> "Unit": "sys_ddr_pmu",
> "Compat": "v8"
> },
> + {
> + "BriefDescription": "ccn read-cycles event",
> + "ConfigCode": "0x2c",
> + "EventName": "sys_ccn_pmu.read_cycles",
> + "Unit": "sys_ccn_pmu",
> + "Compat": "0x01"
> + }
> ]
> diff --git a/tools/perf/tests/pmu-events.c b/tools/perf/tests/pmu-events.c
> index adfc17f51c7b..f14266a4c513 100644
> --- a/tools/perf/tests/pmu-events.c
> +++ b/tools/perf/tests/pmu-events.c
> @@ -208,8 +208,23 @@ static const struct perf_pmu_test_event sys_ddr_pmu_write_cycles = {
> .matching_pmu = "uncore_sys_ddr_pmu",
> };
>
> +static const struct perf_pmu_test_event sys_ccn_pmu_read_cycles = {
> + .event = {
> + .name = "sys_ccn_pmu.read_cycles",
> + .event = "config=0x2c",
> + .desc = "ccn read-cycles event. Unit: uncore_sys_ccn_pmu ",
> + .topic = "uncore",
> + .pmu = "uncore_sys_ccn_pmu",
> + .compat = "0x01",
> + },
> + .alias_str = "config=0x2c",
> + .alias_long_desc = "ccn read-cycles event. Unit: uncore_sys_ccn_pmu ",
> + .matching_pmu = "uncore_sys_ccn_pmu",
> +};
> +
> static const struct perf_pmu_test_event *sys_events[] = {
> &sys_ddr_pmu_write_cycles,
> + &sys_ccn_pmu_read_cycles,
> NULL
> };
>
> @@ -677,6 +692,16 @@ static struct perf_pmu_test_pmu test_pmus[] = {
> &sys_ddr_pmu_write_cycles,
> },
> },
> + {
> + .pmu = {
> + .name = (char *)"uncore_sys_ccn_pmu4",
> + .is_uncore = 1,
> + .id = (char *)"0x01",
> + },
> + .aliases = {
> + &sys_ccn_pmu_read_cycles,
> + },
> + },
> };
>
> /* Test that aliases generated are as expected */
> --
> 2.26.2
>