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-rw-r--r--tools/perf/util/probe-event.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 03875f9154e7..93996ec4bbe3 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -2326,8 +2326,11 @@ static int get_new_event_name(char *buf, size_t len, const char *base,
goto out;
if (!allow_suffix) {
- pr_warning("Error: event \"%s\" already exists. "
- "(Use -f to force duplicates.)\n", buf);
+ pr_warning("Error: event \"%s\" already exists.\n"
+ " Hint: Remove existing event by 'perf probe -d'\n"
+ " or force duplicates by 'perf probe -f'\n"
+ " or set 'force=yes' in BPF source.\n",
+ buf);
ret = -EEXIST;
goto out;
}