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-rw-r--r--trace/control.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/trace/control.c b/trace/control.c
index bef7884ee1..84ea840892 100644
--- a/trace/control.c
+++ b/trace/control.c
@@ -14,6 +14,9 @@
#ifdef CONFIG_TRACE_FTRACE
#include "trace/ftrace.h"
#endif
+#ifdef CONFIG_TRACE_LOG
+#include "qemu/log.h"
+#endif
#include "qemu/error-report.h"
int trace_events_enabled_count;
@@ -174,6 +177,13 @@ void trace_init_file(const char *file)
{
#ifdef CONFIG_TRACE_SIMPLE
st_set_trace_file(file);
+#elif defined CONFIG_TRACE_LOG
+ /* If both the simple and the log backends are enabled, "-trace file"
+ * only applies to the simple backend; use "-D" for the log backend.
+ */
+ if (file) {
+ qemu_set_log_filename(file);
+ }
#else
if (file) {
fprintf(stderr, "error: -trace file=...: "