perf lock: Add flags field in the lock_stat

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For lock contention tracepoint analysis, it needs to keep the flags.
As nr_readlock and nr_trylock fields are not used for it, let's make
it a union.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Waiman Long <longman@redhat.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20220725183124.368304-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

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Namhyung Kim 2022-07-25 11:31:20 -07:00 • committed by Arnaldo Carvalho de Melo

parent 6923397cb7

commit fb87158bab

1 changed files with 13 additions and 9 deletions

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tools/perf/builtin-lock.c

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