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-rw-r--r--trace/control.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/trace/control.c b/trace/control.c
index af92705bb4..bef7884ee1 100644
--- a/trace/control.c
+++ b/trace/control.c
@@ -88,7 +88,16 @@ TraceEvent *trace_event_pattern(const char *pat, TraceEvent *ev)
return NULL;
}
-void trace_enable_events(const char *line_buf)
+void trace_list_events(void)
+{
+ int i;
+ for (i = 0; i < trace_event_count(); i++) {
+ TraceEvent *res = trace_event_id(i);
+ fprintf(stderr, "%s\n", trace_event_get_name(res));
+ }
+}
+
+static void do_trace_enable_events(const char *line_buf)
{
const bool enable = ('-' != line_buf[0]);
const char *line_ptr = enable ? line_buf : line_buf + 1;
@@ -114,6 +123,16 @@ void trace_enable_events(const char *line_buf)
}
}
+void trace_enable_events(const char *line_buf)
+{
+ if (is_help_option(line_buf)) {
+ trace_list_events();
+ exit(0);
+ } else {
+ do_trace_enable_events(line_buf);
+ }
+}
+
void trace_init_events(const char *fname)
{
Location loc;