SoW-2020-0002: Trace Hit Counters

[lttng-tools.git] / include / lttng / event-rule / syscall.h

diff --git a/include/lttng/event-rule/syscall.h b/include/lttng/event-rule/syscall.h
index baf8432c142597295ee05936edb2f97ffd9837c1..c581b809cf18a5a67993c11043e748525424aa1a 100644 (file)
--- a/include/lttng/event-rule/syscall.h
+++ b/include/lttng/event-rule/syscall.h
@@ -17,6 +17,8 @@ extern "C" {
 /*
  * Create a newly allocated syscall event rule.
  *
+ * The default pattern is '*'.
+ *
  * Returns a new event rule on success, NULL on failure. This event rule must be
  * destroyed using lttng_event_rule_destroy().
  */