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-rw-r--r--trace/control.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/trace/control.c b/trace/control.c
index b82fb87..cd04dd4 100644
--- a/trace/control.c
+++ b/trace/control.c
@@ -125,18 +125,18 @@ TraceEvent *trace_event_iter_next(TraceEventIter *iter)
return NULL;
}
-void trace_list_events(void)
+void trace_list_events(FILE *f)
{
TraceEventIter iter;
TraceEvent *ev;
trace_event_iter_init(&iter, NULL);
while ((ev = trace_event_iter_next(&iter)) != NULL) {
- fprintf(stderr, "%s\n", trace_event_get_name(ev));
+ fprintf(f, "%s\n", trace_event_get_name(ev));
}
#ifdef CONFIG_TRACE_DTRACE
- fprintf(stderr, "This list of names of trace points may be incomplete "
- "when using the DTrace/SystemTap backends.\n"
- "Run 'qemu-trace-stap list %s' to print the full list.\n",
+ fprintf(f, "This list of names of trace points may be incomplete "
+ "when using the DTrace/SystemTap backends.\n"
+ "Run 'qemu-trace-stap list %s' to print the full list.\n",
error_get_progname());
#endif
}
@@ -176,7 +176,7 @@ static void do_trace_enable_events(const char *line_buf)
void trace_enable_events(const char *line_buf)
{
if (is_help_option(line_buf)) {
- trace_list_events();
+ trace_list_events(stdout);
if (monitor_cur() == NULL) {
exit(0);
}