Messages in this thread | | | Date | Wed, 17 Aug 2022 08:40:29 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH 0/4] perf tools: Support reading PERF_FORMAT_LOST (v2) |
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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
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- Arnaldo
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