diff options
Diffstat (limited to 'tools/perf/builtin-trace.c')
| -rw-r--r-- | tools/perf/builtin-trace.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index bb5130d02155..ee330f50b450 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -3858,12 +3858,14 @@ static int parse_pagefaults(const struct option *opt, const char *str, return 0; } -static void evlist__set_evsel_handler(struct evlist *evlist, void *handler) +static void evlist__set_default_evsel_handler(struct evlist *evlist, void *handler) { struct evsel *evsel; - evlist__for_each_entry(evlist, evsel) - evsel->handler = handler; + evlist__for_each_entry(evlist, evsel) { + if (evsel->handler == NULL) + evsel->handler = handler; + } } static int evlist__set_syscall_tp_fields(struct evlist *evlist) @@ -4287,7 +4289,7 @@ int cmd_trace(int argc, const char **argv) } if (trace.evlist->core.nr_entries > 0) { - evlist__set_evsel_handler(trace.evlist, trace__event_handler); + evlist__set_default_evsel_handler(trace.evlist, trace__event_handler); if (evlist__set_syscall_tp_fields(trace.evlist)) { perror("failed to set syscalls:* tracepoint fields"); goto out; |