Re: [PATCH 4/8] perf vendor events arm64: Add default tags into topdown L1 metrics

From: Ian Rogers
Date: Tue Jun 13 2023 - 15:45:29 EST


On Wed, Jun 7, 2023 at 9:27 AM <kan.liang@xxxxxxxxxxxxxxx> wrote:
>
> From: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
>
> Add the default tags for ARM as well.
>
> Signed-off-by: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
> Cc: Jing Zhang <renyu.zj@xxxxxxxxxxxxxxxxx>
> Cc: John Garry <john.g.garry@xxxxxxxxxx>

Acked-by: Ian Rogers <irogers@xxxxxxxxxx>

Thanks,
Ian

> ---
> tools/perf/pmu-events/arch/arm64/sbsa.json | 12 ++++++++----
> 1 file changed, 8 insertions(+), 4 deletions(-)
>
> diff --git a/tools/perf/pmu-events/arch/arm64/sbsa.json b/tools/perf/pmu-events/arch/arm64/sbsa.json
> index f678c37ea9c3..f90b338261ac 100644
> --- a/tools/perf/pmu-events/arch/arm64/sbsa.json
> +++ b/tools/perf/pmu-events/arch/arm64/sbsa.json
> @@ -2,28 +2,32 @@
> {
> "MetricExpr": "stall_slot_frontend / (#slots * cpu_cycles)",
> "BriefDescription": "Frontend bound L1 topdown metric",
> - "MetricGroup": "TopdownL1",
> + "DefaultMetricgroupName": "TopdownL1",
> + "MetricGroup": "Default;TopdownL1",
> "MetricName": "frontend_bound",
> "ScaleUnit": "100%"
> },
> {
> "MetricExpr": "(1 - op_retired / op_spec) * (1 - stall_slot / (#slots * cpu_cycles))",
> "BriefDescription": "Bad speculation L1 topdown metric",
> - "MetricGroup": "TopdownL1",
> + "DefaultMetricgroupName": "TopdownL1",
> + "MetricGroup": "Default;TopdownL1",
> "MetricName": "bad_speculation",
> "ScaleUnit": "100%"
> },
> {
> "MetricExpr": "(op_retired / op_spec) * (1 - stall_slot / (#slots * cpu_cycles))",
> "BriefDescription": "Retiring L1 topdown metric",
> - "MetricGroup": "TopdownL1",
> + "DefaultMetricgroupName": "TopdownL1",
> + "MetricGroup": "Default;TopdownL1",
> "MetricName": "retiring",
> "ScaleUnit": "100%"
> },
> {
> "MetricExpr": "stall_slot_backend / (#slots * cpu_cycles)",
> "BriefDescription": "Backend Bound L1 topdown metric",
> - "MetricGroup": "TopdownL1",
> + "DefaultMetricgroupName": "TopdownL1",
> + "MetricGroup": "Default;TopdownL1",
> "MetricName": "backend_bound",
> "ScaleUnit": "100%"
> }
> --
> 2.35.1
>