linux-kernel - [PATCH v3 0/7] perf cs_etm: Basic support for virtual/kernel timestamps

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Date:   Tue,  3 Jan 2023 16:20:34 +0000
From:   James Clark <james.clark@....com>
To:     linux-perf-users@...r.kernel.org, tanmay@...vell.com,
        leo.yan@...aro.org, mike.leach@...aro.org
Cc:     sgoutham@...vell.com, gcherian@...vell.com, lcherian@...vell.com,
        bbhushan2@...vell.com, James Clark <james.clark@....com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        John Garry <john.g.garry@...cle.com>,
        Will Deacon <will@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>, coresight@...ts.linaro.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 0/7] perf cs_etm: Basic support for virtual/kernel timestamps

Changes since v2:

  * Remove const to non-const change and copy strings where needed
    instead.
  * Use sizeof() instead of PATH_MAX
  * Append "will not be set accurately." to new error message
  * Remove unneeded stat() call
  * Rebase on perf/core
  
==========================

Changes since v1:

  * Add 3 refactor commits for sysfs reading around pmu.c as suggested
    by Arnaldo here [1]
  * The dependency on [2] has now reached mainline so is no longer
    blocking
  * Rebase on perf/core
  
[1]: https://lore.kernel.org/all/YnqVqq5QW%2Fb14oPZ@kernel.org/
[2]: https://lore.kernel.org/all/20220503123537.1003035-1-german.gomez@arm.com/

German Gomez (4):
  perf pmu: Add function to check if a pmu file exists
  perf cs_etm: Keep separate symbols for ETMv4 and ETE parameters
  perf cs_etm: Record ts_source in AUXTRACE_INFO for ETMv4 and ETE
  perf cs_etm: Set the time field in the synthetic samples

James Clark (3):
  perf: Remove duplication around EVENT_SOURCE_DEVICE_PATH
  perf: Use perf_pmu__open_file() and perf_pmu__scan_file()
  perf: Remove remaining duplication of bus/event_source/devices/...

 tools/perf/arch/arm/util/auxtrace.c |   5 +-
 tools/perf/arch/arm/util/cs-etm.c   |  91 ++++++++++++--
 tools/perf/arch/x86/util/pmu.c      |  12 +-
 tools/perf/util/cputopo.c           |   9 +-
 tools/perf/util/cs-etm-base.c       |  34 ++++--
 tools/perf/util/cs-etm.c            |  86 ++++++++++++--
 tools/perf/util/cs-etm.h            |  13 +-
 tools/perf/util/pmu-hybrid.c        |  27 +----
 tools/perf/util/pmu.c               | 177 +++++++++++-----------------
 tools/perf/util/pmu.h               |  10 +-
 10 files changed, 284 insertions(+), 180 deletions(-)


base-commit: 09e6f9f98370be9a9f8978139e0eb1be87d1125f
-- 
2.25.1