perf_counter tools: Add 'perf list' to list available events
perf list: List all the available event types which can be used in
-e (--event) options.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/Documentation/perf_counter/builtin-stat.c b/Documentation/perf_counter/builtin-stat.c
index 9711e55..2cbf5a1 100644
--- a/Documentation/perf_counter/builtin-stat.c
+++ b/Documentation/perf_counter/builtin-stat.c
@@ -293,18 +293,17 @@
NULL
};
-static char events_help_msg[EVENTS_HELP_MAX];
-
static const struct option options[] = {
OPT_CALLBACK('e', "event", NULL, "event",
- events_help_msg, parse_events),
+ "event selector. use 'perf list' to list available events",
+ parse_events),
OPT_BOOLEAN('i', "inherit", &inherit,
"child tasks inherit counters"),
OPT_INTEGER('p', "pid", &target_pid,
"stat events on existing pid"),
OPT_BOOLEAN('a', "all-cpus", &system_wide,
"system-wide collection from all CPUs"),
- OPT_BOOLEAN('l', "scale", &scale,
+ OPT_BOOLEAN('S', "scale", &scale,
"scale/normalize counters"),
OPT_END()
};
@@ -313,8 +312,6 @@
{
page_size = sysconf(_SC_PAGE_SIZE);
- create_events_help(events_help_msg);
-
memcpy(attrs, default_attrs, sizeof(attrs));
argc = parse_options(argc, argv, options, stat_usage, 0);