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SubjectRe: [PATCH 0/4] perf tools: Support reading PERF_FORMAT_LOST (v2)
Em Tue, Aug 16, 2022 at 03:17:43PM -0700, Namhyung Kim escreveu:
> 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.
>
> Changes in v2)
> * add a comment in perf_evsel__read_group() (Jiri)
> * simplify perf_evsel__adjust_values() (Jiri)

Replaced v1 with this one in my local tree.

- Arnaldo

>
> You can get the code from 'perf/read-lost-v2' 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 | 79 ++++++++-
> 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, 360 insertions(+), 39 deletions(-)
>
>
> base-commit: 568035b01cfb107af8d2e4bd2fb9aea22cf5b868
> --
> 2.37.1.595.g718a3a8f04-goog

--

- Arnaldo

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