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-rw-r--r--trace/control.h14
1 files changed, 11 insertions, 3 deletions
diff --git a/trace/control.h b/trace/control.h
index c99b4d50a8..2acaa4290e 100644
--- a/trace/control.h
+++ b/trace/control.h
@@ -24,10 +24,18 @@ bool trace_event_set_state(const char *name, bool state);
/** Initialize the tracing backend.
*
- * @file Name of trace output file; may be NULL.
- * Corresponds to commandline option "-trace file=...".
+ * @events Name of file with events to be enabled at startup; may be NULL.
+ * Corresponds to commandline option "-trace events=...".
+ * @file Name of trace output file; may be NULL.
+ * Corresponds to commandline option "-trace file=...".
* @return Whether the backend could be successfully initialized.
*/
-bool trace_backend_init(const char *file);
+bool trace_backend_init(const char *events, const char *file);
+
+/** Generic function to initialize the state of events.
+ *
+ * @fname Name of file with events to enable; may be NULL.
+ */
+void trace_backend_init_events(const char *fname);
#endif /* TRACE_CONTROL_H */