Re: [PATCH v1 3/7] perf arm-spe: Move PMU initialization from default config code

From: Adrian Hunter
Date: Thu Oct 12 2023 - 07:55:36 EST


On 7/10/23 05:13, Ian Rogers wrote:
> Avoid setting PMU values in arm_spe_pmu_default_config, move to
> perf_pmu__arch_init.
>
> Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>

Reviewed-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>

> ---
> tools/perf/arch/arm/util/pmu.c | 2 ++
> tools/perf/arch/arm64/util/arm-spe.c | 3 ---
> 2 files changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/tools/perf/arch/arm/util/pmu.c b/tools/perf/arch/arm/util/pmu.c
> index d55d2b15f2e6..f25f68f84a94 100644
> --- a/tools/perf/arch/arm/util/pmu.c
> +++ b/tools/perf/arch/arm/util/pmu.c
> @@ -23,6 +23,8 @@ void perf_pmu__arch_init(struct perf_pmu *pmu __maybe_unused)
> pmu->default_config = cs_etm_get_default_config(pmu);
> #if defined(__aarch64__)
> } else if (strstarts(pmu->name, ARM_SPE_PMU_NAME)) {
> + pmu->selectable = true;
> + pmu->is_uncore = false;
> pmu->default_config = arm_spe_pmu_default_config(pmu);
> } else if (strstarts(pmu->name, HISI_PTT_PMU_NAME)) {
> pmu->selectable = true;
> diff --git a/tools/perf/arch/arm64/util/arm-spe.c b/tools/perf/arch/arm64/util/arm-spe.c
> index 9cc3d6dcb849..08a76734ccd2 100644
> --- a/tools/perf/arch/arm64/util/arm-spe.c
> +++ b/tools/perf/arch/arm64/util/arm-spe.c
> @@ -516,8 +516,5 @@ struct perf_event_attr
> attr->sample_period = 4096;
> }
>
> - arm_spe_pmu->selectable = true;
> - arm_spe_pmu->is_uncore = false;
> -
> return attr;
> }