linux-kernel - [PATCH v4 0/4] Add metric for Arm CMN

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Message-Id: <1690100513-61165-1-git-send-email-renyu.zj@linux.alibaba.com>
Date:   Sun, 23 Jul 2023 16:21:49 +0800
From:   Jing Zhang <renyu.zj@...ux.alibaba.com>
To:     John Garry <john.g.garry@...cle.com>,
        Ian Rogers <irogers@...gle.com>
Cc:     Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....com>,
        Robin Murphy <robin.murphy@....com>,
        James Clark <james.clark@....com>,
        Mike Leach <mike.leach@...aro.org>,
        Leo Yan <leo.yan@...aro.org>,
        Ilkka Koskinen <ilkka@...amperecomputing.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-perf-users@...r.kernel.org, linux-doc@...r.kernel.org,
        Zhuo Song <zhuo.song@...ux.alibaba.com>,
        Jing Zhang <renyu.zj@...ux.alibaba.com>,
        Shuai Xue <xueshuai@...ux.alibaba.com>
Subject: [PATCH v4 0/4] Add metric for Arm CMN

Hi all,

This patch set adds event aliases and metrics for Arm CMN, and expands
Compat's ability to match multiple identifiers and expands event fields
in order to achieve the above capabilities.

If it is no longer necessary to declare the "Compat" or "Unit" value
when the metric is described by event aliases, I will delete "Compat"
and "Unit" in the metric, but keep them for now.

Changes since v3:
- Split the arm CMN and ali_drw PMU patches compare to v3. ali_drw PMU
  related patches are in another patchset.
- "Compat" supports matching multiple identifiers.
- Support more event filed.
- Add alias for part of Arm CMN PMU.
- Fix some bug for CMN metric description.
- Link: https://lore.kernel.org/all/1685438374-33287-1-git-send-email-renyu.zj@linux.alibaba.com/

Jing Zhang (4):
  perf metric: Event "Compat" value supports matching multiple
    identifiers
  perf jevents: Support more event fields
  perf vendor events: Add alias for Arm CMN PMU events.
  perf vendor events: Add metrics for Arm CMN

 .../pmu-events/arch/arm64/arm/cmn/sys/cmn.json     | 266 +++++++++++++++++++++
 .../pmu-events/arch/arm64/arm/cmn/sys/metric.json  |  74 ++++++
 tools/perf/pmu-events/jevents.py                   |  23 +-
 tools/perf/util/metricgroup.c                      |  27 ++-
 4 files changed, 381 insertions(+), 9 deletions(-)
 create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cmn/sys/cmn.json
 create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cmn/sys/metric.json

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