https://github.com/torvalds/linux
Revision ff898552fb32d255517fb0676f9fa500664c484d authored by Namhyung Kim on 01 July 2022, 20:54:58 UTC, committed by Arnaldo Carvalho de Melo on 02 July 2022, 12:22:26 UTC
When it synthesize various task events, it scans the list of task
first and then accesses later.  There's a window threads can die
between the two and proc entries may not be available.

Instead of bailing out, we can ignore that thread and move on.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20220701205458.985106-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
1 parent 363afa3
History
Tip revision: ff898552fb32d255517fb0676f9fa500664c484d authored by Namhyung Kim on 01 July 2022, 20:54:58 UTC
perf synthetic-events: Ignore dead threads during event synthesis
Tip revision: ff89855
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