X-Git-Url: http://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fevent-rule%2Fkprobe.c;h=6ec5cd402df5c590ab115a1384d6e5e34ec161b9;hp=9cc5d7c5433b0016dea8efb51675d2a70956e8fa;hb=a3ecaea889e67f87307cc3be53e51fb472a67c3b;hpb=3e6e0df2f8f9f23d252c2508b6d741916dfcc4b3

diff --git a/src/common/event-rule/kprobe.c b/src/common/event-rule/kprobe.c
index 9cc5d7c54..6ec5cd402 100644
--- a/src/common/event-rule/kprobe.c
+++ b/src/common/event-rule/kprobe.c
@@ -6,11 +6,14 @@
  */
 
 #include <assert.h>
+#include <common/credentials.h>
 #include <common/error.h>
 #include <common/macros.h>
 #include <common/payload.h>
 #include <common/payload-view.h>
 #include <common/runas.h>
+#include <common/hashtable/hashtable.h>
+#include <common/hashtable/utils.h>
 #include <ctype.h>
 #include <lttng/constant.h>
 #include <lttng/event-rule/event-rule-internal.h>
@@ -146,7 +149,8 @@ end:
 }
 
 static enum lttng_error_code lttng_event_rule_kprobe_generate_filter_bytecode(
-		struct lttng_event_rule *rule, uid_t uid, gid_t gid)
+		struct lttng_event_rule *rule,
+		const struct lttng_credentials *creds)
 {
 	/* Nothing to do. */
 	return LTTNG_OK;
@@ -173,7 +177,23 @@ lttng_event_rule_kprobe_generate_exclusions(const struct lttng_event_rule *rule)
 	return NULL;
 }
 
-struct lttng_event_rule *lttng_event_rule_kprobe_create()
+static unsigned long
+lttng_event_rule_kprobe_hash(
+		const struct lttng_event_rule *rule)
+{
+	unsigned long hash;
+	struct lttng_event_rule_kprobe *krule =
+			container_of(rule, typeof(*krule), parent);
+
+	hash = hash_key_ulong((void *) LTTNG_EVENT_RULE_TYPE_KPROBE,
+			lttng_ht_seed);
+	hash ^= hash_key_str(krule->name, lttng_ht_seed);
+	hash ^= lttng_kernel_probe_location_hash(krule->location);
+
+	return hash;
+}
+
+struct lttng_event_rule *lttng_event_rule_kprobe_create(void)
 {
 	struct lttng_event_rule *rule = NULL;
 	struct lttng_event_rule_kprobe *krule;
@@ -196,6 +216,7 @@ struct lttng_event_rule *lttng_event_rule_kprobe_create()
 			lttng_event_rule_kprobe_get_filter_bytecode;
 	krule->parent.generate_exclusions =
 			lttng_event_rule_kprobe_generate_exclusions;
+	krule->parent.hash = lttng_event_rule_kprobe_hash;
 end:
 	return rule;
 }