From: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Date: Thu, 5 Nov 2020 16:24:10 +0000 (-0500)
Subject: event-rule: tracepoint: set default pattern to '*'
X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=commitdiff_plain;h=cb6096aac522cc9b005eb704d40c6aac00e384ab

event-rule: tracepoint: set default pattern to '*'

'*' is set on tracepoint creation.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Change-Id: Id20b5e3924a11a336fb08ac6ce10f08ad7fcd80a
---

diff --git a/include/lttng/event-rule/tracepoint.h b/include/lttng/event-rule/tracepoint.h
index e24b0fbe1..5e83076d5 100644
--- a/include/lttng/event-rule/tracepoint.h
+++ b/include/lttng/event-rule/tracepoint.h
@@ -19,6 +19,8 @@ extern "C" {
 /*
  * Create a newly allocated tracepoint 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().
  */
diff --git a/src/common/event-rule/tracepoint.c b/src/common/event-rule/tracepoint.c
index c8111a372..93de1e98c 100644
--- a/src/common/event-rule/tracepoint.c
+++ b/src/common/event-rule/tracepoint.c
@@ -640,6 +640,7 @@ struct lttng_event_rule *lttng_event_rule_tracepoint_create(
 {
 	struct lttng_event_rule *rule = NULL;
 	struct lttng_event_rule_tracepoint *tp_rule;
+	enum lttng_event_rule_status status;
 
 	if (domain_type == LTTNG_DOMAIN_NONE) {
 		goto end;
@@ -673,6 +674,14 @@ struct lttng_event_rule *lttng_event_rule_tracepoint_create(
 
 	lttng_dynamic_pointer_array_init(&tp_rule->exclusions,
 			destroy_lttng_exclusions_element);
+
+	/* Default pattern is '*'. */
+	status = lttng_event_rule_tracepoint_set_pattern(rule, "*");
+	if (status != LTTNG_EVENT_RULE_STATUS_OK) {
+		lttng_event_rule_destroy(rule);
+		rule = NULL;
+	}
+
 end:
 	return rule;
 }