Re: [RFC PATCH v5 0/6] TPEBS counting mode support

From: Ian Rogers
Date: Thu Mar 28 2024 - 12:39:10 EST


On Tue, Mar 26, 2024 at 1:29 PM <weilin.wang@xxxxxxxxx> wrote:
>
> From: Weilin Wang <weilin.wang@xxxxxxxxx>
>
> Changes in v5:
> - Update code and add comments for better code quality [Ian]
>
> v4: https://lore.kernel.org/all/20240312234921.812685-1-weilin.wang@intelcom/
>
> Weilin Wang (6):
> perf stat: Parse and find tpebs events when parsing metrics to prepare
> for perf record sampling
> perf stat: Fork and launch perf record when perf stat needs to get
> retire latency value for a metric.
> perf stat: Add retire latency values into the expr_parse_ctx to
> prepare for final metric calculation
> perf stat: Create another thread for sample data processing
> perf stat: Add retire latency print functions to print out at the very
> end of print out
> perf vendor events intel: Add MTL metric json files
>
> tools/perf/builtin-stat.c | 211 +-
> .../arch/x86/meteorlake/metricgroups.json | 127 +
> .../arch/x86/meteorlake/mtl-metrics.json | 2551 +++++++++++++++++
> tools/perf/util/data.c | 3 +
> tools/perf/util/data.h | 5 +
> tools/perf/util/metricgroup.c | 88 +-
> tools/perf/util/metricgroup.h | 22 +-
> tools/perf/util/stat-display.c | 65 +
> tools/perf/util/stat-shadow.c | 19 +
> tools/perf/util/stat.h | 4 +
> 10 files changed, 3076 insertions(+), 19 deletions(-)
> create mode 100644 tools/perf/pmu-events/arch/x86/meteorlake/metricgroups.json
> create mode 100644 tools/perf/pmu-events/arch/x86/meteorlake/mtl-metricsjson

Thanks Weilin,

I'm happy with this series, my Reviewed-by is on all the patches.
Arnaldo/Namhyung, could we land this for the sake of Meteorlake metric
enablement? For the sake of tools, for the series:

Reviewed-by: Ian Rogers <irogers@xxxxxxxxxx>

Thanks,
Ian

> --
> 2.43.0
>