superrob1500
/
mirror-linux
mirror of https://github.com/torvalds/linux
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
mirror-linux/tools/perf/ui
History
Namhyung Kim 1a5474a779 perf tools: Print lost samples due to BPF filter 
Print the actual dropped sample count in the event stat.

  $ sudo perf record -o- -e cycles --filter 'period < 10000' \
      -e instructions --filter 'ip > 0x8000000000000000' perf test -w noploop | \
      perf report --stat -i-
  [ perf record: Woken up 1 times to write data ]
  [ perf record: Captured and wrote 0.058 MB - ]

  Aggregated stats:
                 TOTAL events:        469
                  MMAP events:        268  (57.1%)
                  COMM events:          2  ( 0.4%)
                  EXIT events:          1  ( 0.2%)
                SAMPLE events:         16  ( 3.4%)
                 MMAP2 events:         22  ( 4.7%)
          LOST_SAMPLES events:          2  ( 0.4%)
               KSYMBOL events:         89  (19.0%)
             BPF_EVENT events:         39  ( 8.3%)
                  ATTR events:          2  ( 0.4%)
        FINISHED_ROUND events:          1  ( 0.2%)
              ID_INDEX events:          1  ( 0.2%)
            THREAD_MAP events:          1  ( 0.2%)
               CPU_MAP events:          1  ( 0.2%)
          EVENT_UPDATE events:          2  ( 0.4%)
             TIME_CONV events:          1  ( 0.2%)
               FEATURE events:         20  ( 4.3%)
         FINISHED_INIT events:          1  ( 0.2%)
  cycles stats:
                SAMPLE events:          2
    LOST_SAMPLES (BPF) events:       4010
  instructions stats:
                SAMPLE events:         14
    LOST_SAMPLES (BPF) events:       3990

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: KP Singh <kpsingh@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20240820154504.128923-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 		2024-08-28 18:07:20 -03:00
..
browsers perf annotate-data: Show offset and size in hex 2024-08-21 11:48:39 -03:00
gtk perf dso: Fix address sanitizer build 2024-07-12 09:38:41 -07:00
stdio perf tools: Print lost samples due to BPF filter 2024-08-28 18:07:20 -03:00
tui perf ui: Make ui its own library 2024-06-26 11:06:34 -07:00
Build perf ui: Make ui its own library 2024-06-26 11:06:34 -07:00
browser.c perf ui browser: Avoid SEGV on title 2024-05-09 18:12:47 -03:00
browser.h perf ui browser: Don't save pointer to stack memory 2024-05-07 18:05:31 -03:00
helpline.c perf tools: Remove util.h from where it is not needed 2019-09-20 09:19:20 -03:00
helpline.h perf tools: Remove needless evlist.h include directives 2019-08-31 22:24:10 -03:00
hist.c perf hist: Don't set hpp_fmt_value for members in --no-group 2024-08-28 18:07:20 -03:00
keysyms.h perf report: Support a new key to reload the browser 2020-03-24 09:37:27 -03:00
libslang.h perf tui slang: Tidy casts 2023-08-25 10:24:55 -03:00
progress.c perf tools: Remove needless evlist.h include directives 2019-08-31 22:24:10 -03:00
progress.h
…
setup.c perf ui: Move window resize signal functions 2023-04-10 19:20:38 -03:00
ui.h perf ui: Move window resize signal functions 2023-04-10 19:20:38 -03:00
util.c perf tools: Fix "kernel lock contention analysis" test by not printing warnings in quiet mode 2022-10-27 16:37:26 -03:00
util.h tools ui popup: Allow returning hotkeys 2020-01-06 11:46:10 -03:00