perf event: Prevent unbound event__name array access
event__name[] is missing an entry for PERF_RECORD_FINISHED_ROUND, but we
happily access the array from the dump code.
Make event__name[] static and provide an accessor function, fix up all
callers and add the missing string.
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ian Munsie <imunsie@au1.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <20101207124550.432593943@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 2022e87..a3b8416 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -1168,10 +1168,13 @@
size_t ret = 0;
for (i = 0; i < PERF_RECORD_HEADER_MAX; ++i) {
- if (!event__name[i])
+ const char *name = event__get_event_name(i);
+
+ if (!strcmp(name, "UNKNOWN"))
continue;
- ret += fprintf(fp, "%10s events: %10d\n",
- event__name[i], self->stats.nr_events[i]);
+
+ ret += fprintf(fp, "%16s events: %10d\n", name,
+ self->stats.nr_events[i]);
}
return ret;