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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2010-05-05 23:57:25 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2010-05-09 13:45:27 +0200 |
| commit | 84c7a21791eb2e962a27e19bab5b77d5d9e13a34 (patch) | |
| tree | f61363b358a58c164b5b457a70e4eb9d0da0fdd1 /tools | |
| parent | 10350ec362b48f79f3df8447c25813790075e27c (diff) | |
| download | blackbird-op-linux-84c7a21791eb2e962a27e19bab5b77d5d9e13a34.tar.gz blackbird-op-linux-84c7a21791eb2e962a27e19bab5b77d5d9e13a34.zip | |
perf: Humanize lock flags in perf lock
Use an enum instead of plain constants for lock flags.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-lock.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c index 1e93179c2d30..3b304ed4d2e9 100644 --- a/tools/perf/builtin-lock.c +++ b/tools/perf/builtin-lock.c @@ -397,6 +397,11 @@ enum broken_state { static int bad_hist[BROKEN_MAX]; +enum acquire_flags { + TRY_LOCK = 1, + READ_LOCK = 2, +}; + static void report_lock_acquire_event(struct trace_acquire_event *acquire_event, struct event *__event __used, @@ -421,9 +426,9 @@ report_lock_acquire_event(struct trace_acquire_event *acquire_event, if (!acquire_event->flag) { seq->state = SEQ_STATE_ACQUIRING; } else { - if (acquire_event->flag & 1) + if (acquire_event->flag & TRY_LOCK) ls->nr_trylock++; - if (acquire_event->flag & 2) + if (acquire_event->flag & READ_LOCK) ls->nr_readlock++; seq->state = SEQ_STATE_READ_ACQUIRED; seq->read_count = 1; @@ -431,7 +436,7 @@ report_lock_acquire_event(struct trace_acquire_event *acquire_event, } break; case SEQ_STATE_READ_ACQUIRED: - if (acquire_event->flag & 2) { + if (acquire_event->flag & READ_LOCK) { seq->read_count++; ls->nr_acquired++; goto end; |
