Messages in this thread | | | Date | Fri, 19 Aug 2022 12:26:28 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH 0/4] perf tools: Support reading PERF_FORMAT_LOST (v3) |
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Em Fri, Aug 19, 2022 at 12:53:26PM +0200, Jiri Olsa escreveu: > On Thu, Aug 18, 2022 at 05:36:40PM -0700, Namhyung Kim wrote: > > 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 v3) > > * add sample_read_group__for_each() (Jiri) > > Acked-by: Jiri Olsa <jolsa@kernel.org>
Thanks, updated the patchset in my branch.
- Arnaldo
> thanks, > jirka > > > > > Changes in v2) > > * add a comment in perf_evsel__read_group() (Jiri) > > * simplify perf_evsel__adjust_values() (Jiri) > > > > > > You can get the code from 'perf/read-lost-v3' 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 | 21 ++- > > tools/perf/util/evsel.c | 29 ++-- > > .../scripting-engines/trace-event-python.c | 19 ++- > > tools/perf/util/session.c | 35 ++-- > > tools/perf/util/synthetic-events.c | 32 +++- > > 11 files changed, 356 insertions(+), 46 deletions(-) > > > > > > base-commit: 568035b01cfb107af8d2e4bd2fb9aea22cf5b868 > > -- > > 2.37.1.595.g718a3a8f04-goog > >
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- Arnaldo
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