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perf: Humanize lock flags in perf lock

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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>
This commit is contained in:
Frederic Weisbecker 2010-05-05 23:57:25 +02:00
parent 10350ec362
commit 84c7a21791
1 changed files with 8 additions and 3 deletions
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11
tools/perf/builtin-lock.c
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@ -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;