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-rw-r--r--tools/perf/util/probe-event.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index a20e3827324..2c4d3017441 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -453,17 +453,13 @@ static struct strlist *get_perf_event_names(int fd)
return sl;
}
-static int write_trace_kprobe_event(int fd, const char *buf)
+static void write_trace_kprobe_event(int fd, const char *buf)
{
int ret;
ret = write(fd, buf, strlen(buf));
if (ret <= 0)
die("Failed to create event.");
- else
- printf("Added new event: %s\n", buf);
-
- return ret;
}
static void get_new_event_name(char *buf, size_t len, const char *base,
@@ -503,10 +499,19 @@ void add_trace_kprobe_events(struct probe_point *probes, int nr_probes)
PERFPROBE_GROUP, event,
pp->probes[i]);
write_trace_kprobe_event(fd, buf);
+ printf("Added new event:\n");
+ /* Get the first parameter (probe-point) */
+ sscanf(pp->probes[i], "%s", buf);
+ show_perf_probe_event(PERFPROBE_GROUP, event,
+ buf, pp);
/* Add added event name to namelist */
strlist__add(namelist, event);
}
}
+ /* Show how to use the event. */
+ printf("\nYou can now use it on all perf tools, such as:\n\n");
+ printf("\tperf record -e %s:%s -a sleep 1\n\n", PERFPROBE_GROUP, event);
+
strlist__delete(namelist);
close(fd);
}