linux-kernel - [PATCH 0/4] perf tools: Support reading PERF_FORMAT

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Date:   Mon, 15 Aug 2022 12:01:02 -0700
From:   Namhyung Kim <namhyung@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Ian Rogers <irogers@...gle.com>,
        linux-perf-users@...r.kernel.org
Subject: [PATCH 0/4] perf tools: Support reading PERF_FORMAT_LOST

Hello,

The kernel v6.0 added PERF_FORMAT_LOST which can read a number of lost
samples for the given event.  As it can change the output format of
read(2) and perf sample data, it needs to access them carefully.

You can get the code from 'perf/read-lost-v1' brach on

  git://git.kernel.org/pub/scm/linux/kernel/git/namhyung/linux-perf.git

Thanks,
Namhyung


Namhyung Kim (4):
  tools headers UAPI: Sync linux/perf_event.h with the kernel sources
  tools lib perf: Handle read format in perf_evsel__read()
  tools lib perf: Add a test case for read formats
  perf tools: Support reading PERF_FORMAT_LOST

 tools/include/uapi/linux/perf_event.h         |   5 +-
 tools/lib/perf/evsel.c                        |  72 ++++++++
 tools/lib/perf/include/perf/event.h           |   3 +-
 tools/lib/perf/include/perf/evsel.h           |   4 +-
 tools/lib/perf/tests/test-evsel.c             | 161 ++++++++++++++++++
 tools/perf/tests/sample-parsing.c             |  14 +-
 tools/perf/util/event.h                       |  18 +-
 tools/perf/util/evsel.c                       |  33 +++-
 .../scripting-engines/trace-event-python.c    |  16 +-
 tools/perf/util/session.c                     |  32 ++--
 tools/perf/util/synthetic-events.c            |  34 +++-
 11 files changed, 354 insertions(+), 38 deletions(-)


base-commit: 568035b01cfb107af8d2e4bd2fb9aea22cf5b868
-- 
2.37.1.595.g718a3a8f04-goog