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Commit 84c7a217 authored by Frederic Weisbecker's avatar Frederic Weisbecker
Browse files

perf: Humanize lock flags in perf lock 



Use an enum instead of plain constants for lock flags.

Signed-off-by: default avatarFrederic 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>
parent 10350ec3

tools/perf/builtin-lock.c

+8 −3
Original line number Diff line number Diff line
@@ -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;