X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=lttng-sessiond%2Fmain.c;h=ccdc50f1dbbb0e23b769f6b3fe2bbcd73059577b;hp=5755363c878d6e9c6663763b123c8839a9dc82ac;hb=3735745270b83fc911d8ee39c8437256b3af4e3d;hpb=dbdbd482ead909120dc3c4e4b6e41413b7fa57a1

diff --git a/lttng-sessiond/main.c b/lttng-sessiond/main.c
index 5755363c8..ccdc50f1d 100644
--- a/lttng-sessiond/main.c
+++ b/lttng-sessiond/main.c
@@ -1098,7 +1098,7 @@ static void *thread_manage_apps(void *data)
 						goto error;
 					}
 
-					/* Socket closed */
+					/* Socket closed on remote end. */
 					ust_app_unregister(pollfd);
 					break;
 				}
@@ -1879,6 +1879,7 @@ static int list_lttng_ust_global_events(char *channel_name,
 		cds_lfht_for_each_entry(uchan->events, &iter, uevent, node) {
 			strncpy(tmp[i].name, uevent->attr.name, LTTNG_SYMBOL_NAME_LEN);
 			tmp[i].name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0';
+			tmp[i].enabled = uevent->enabled;
 			switch (uevent->attr.instrumentation) {
 			case LTTNG_UST_TRACEPOINT:
 				tmp[i].type = LTTNG_EVENT_TRACEPOINT;
@@ -2047,7 +2048,7 @@ static int cmd_enable_channel(struct ltt_session *session,
 	int ret;
 	struct ltt_ust_session *usess = session->ust_session;
 
-	DBG("Enabling channel %s for session %s", session->name, attr->name);
+	DBG("Enabling channel %s for session %s", attr->name, session->name);
 
 	switch (domain->type) {
 	case LTTNG_DOMAIN_KERNEL:
@@ -2085,6 +2086,7 @@ static int cmd_enable_channel(struct ltt_session *session,
 				ret = LTTCOMM_UST_CHAN_FAIL;
 				goto error;
 			}
+
 			rcu_read_lock();
 			hashtable_add_unique(usess->domain_global.channels, &uchan->node);
 			rcu_read_unlock();
@@ -2096,10 +2098,12 @@ static int cmd_enable_channel(struct ltt_session *session,
 
 		/* Add channel to all registered applications */
 		ret = ust_app_add_channel_all(usess, uchan);
-		if (ret != LTTCOMM_OK) {
+		if (ret != 0) {
 			goto error;
 		}
 
+		uchan->enabled = 1;
+
 		break;
 	}
 	case LTTNG_DOMAIN_UST_PID:
@@ -2353,6 +2357,7 @@ static int cmd_enable_event(struct ltt_session *session, int domain,
 				ret = LTTCOMM_FATAL;
 				goto error;
 			}
+
 		}
 
 		ret = ust_app_add_event_all(usess, uchan, uevent);
@@ -2361,9 +2366,15 @@ static int cmd_enable_event(struct ltt_session *session, int domain,
 			goto error;
 		}
 
+		/* Add ltt ust event to channel */
 		rcu_read_lock();
 		hashtable_add_unique(uchan->events, &uevent->node);
 		rcu_read_unlock();
+
+		uevent->enabled = 1;
+
+		DBG3("UST ltt event %s added to channel %s", uevent->attr.name,
+				uchan->name);
 		break;
 	}
 	case LTTNG_DOMAIN_UST_EXEC_NAME:
@@ -2493,10 +2504,11 @@ static int cmd_start_trace(struct ltt_session *session)
 {
 	int ret;
 	struct ltt_kernel_session *ksession;
-	struct ltt_ust_session *usess = session->ust_session;
+	struct ltt_ust_session *usess;
 
 	/* Short cut */
 	ksession = session->kernel_session;
+	usess = session->ust_session;
 
 	/* Kernel tracing */
 	if (ksession != NULL) {
@@ -2553,12 +2565,14 @@ static int cmd_start_trace(struct ltt_session *session)
 	}
 
 	/* Flag session that trace should start automatically */
-	usess->start_trace = 1;
+	if (usess) {
+		usess->start_trace = 1;
 
-	ret = ust_app_start_trace_all(usess);
-	if (ret < 0) {
-		ret = LTTCOMM_UST_START_FAIL;
-		goto error;
+		ret = ust_app_start_trace_all(usess);
+		if (ret < 0) {
+			ret = LTTCOMM_UST_START_FAIL;
+			goto error;
+		}
 	}
 
 	ret = LTTCOMM_OK;