linux-kernel - [PATCH v2 0/3] perf arm-spe: Add snapshot mode support

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Date:   Tue,  9 Nov 2021 16:30:06 +0000
From:   German Gomez <german.gomez@....com>
To:     linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        acme@...nel.org
Cc:     German Gomez <german.gomez@....com>,
        John Garry <john.garry@...wei.com>,
        Will Deacon <will@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Leo Yan <leo.yan@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v2 0/3] perf arm-spe: Add snapshot mode support

This patchset adds snapshot mode support for arm-spe.

  - [PATCH 1/3] implements the minimal callbacks to support recording in
    snapshot mode.
  - [PATCH 2/3] implements the find_snapshot callback in order to handle
    wrap-arounds in the AUX buffer.
  - [PATCH 3/3] adds a test for spe snapshot mode.

---

Changes since v1:
  - Added acme@...nel.org to the recipients list as I forgot to include
    him in the original patchset [1].
  - Removed [PATCH 1/5] and [PATCH 2/5] in order to keep patches
    semantically relevant.
  - Updated test script test_arm_spe.sh because it wasn't working on
    distributions that use dash shell v0.5.10 (ubuntu 20) [2].

[1] https://lore.kernel.org/all/20210916154635.1525-1-german.gomez@arm.com/
[2] https://lore.kernel.org/all/fd65eb63-d4ca-2105-74cb-c717ad2eb7d3@arm.com/

German Gomez (3):
  perf arm-spe: Add snapshot mode support
  perf arm-spe: Implement find_snapshot callback
  perf arm-spe: Snapshot mode test

 tools/perf/arch/arm64/util/arm-spe.c   | 275 +++++++++++++++++++++++++
 tools/perf/tests/shell/test_arm_spe.sh |  89 ++++++++
 2 files changed, 364 insertions(+)
 create mode 100755 tools/perf/tests/shell/test_arm_spe.sh

-- 
2.25.1