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-rw-r--r--trace/control.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/trace/control.c b/trace/control.c
index 22d5863..be05efb 100644
--- a/trace/control.c
+++ b/trace/control.c
@@ -12,6 +12,8 @@
void trace_backend_init_events(const char *fname)
{
+ int ret;
+
if (fname == NULL) {
return;
}
@@ -30,7 +32,12 @@ void trace_backend_init_events(const char *fname)
if ('#' == line_buf[0]) { /* skip commented lines */
continue;
}
- if (!trace_event_set_state(line_buf, true)) {
+ if ('-' == line_buf[0]) {
+ ret = trace_event_set_state(line_buf+1, false);
+ } else {
+ ret = trace_event_set_state(line_buf, true);
+ }
+ if (!ret) {
fprintf(stderr,
"error: trace event '%s' does not exist\n", line_buf);
exit(1);
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