lkml.org 
[lkml]   [2022]   [Aug]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH 0/4] perf tools: Support reading PERF_FORMAT_LOST (v3)
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,
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
>

\
 
 \ /
  Last update: 2022-08-19 12:54    [W:0.385 / U:0.720 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site