aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--kernel/trace/trace_events_hist.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 23458ba9e5f5..c322826e0726 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -612,7 +612,8 @@ static void last_cmd_set(struct trace_event_file *file, char *str)
if (!str)
return;
- strncpy(last_cmd, str, MAX_FILTER_STR_VAL - 1);
+ strcpy(last_cmd, "hist:");
+ strncat(last_cmd, str, MAX_FILTER_STR_VAL - 1 - sizeof("hist:"));
if (file) {
call = file->event_call;