X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;ds=sidebyside;f=liblttng-ust%2Fltt-events.c;h=ab099e1aba89afedb6a9456c0768509277500a8c;hb=180901e6c233d9a352ab4ba5f31ddae460017774;hp=0fdfd2fd5bcdb115ace5ea1b4d70663c50b0a8eb;hpb=fbdeb5ecb8ff9b7d73a72de9fc66d07f7797d93f;p=lttng-ust.git

diff --git a/liblttng-ust/ltt-events.c b/liblttng-ust/ltt-events.c
index 0fdfd2fd..ab099e1a 100644
--- a/liblttng-ust/ltt-events.c
+++ b/liblttng-ust/ltt-events.c
@@ -251,14 +251,15 @@ int pending_probe_fix_events(const struct lttng_event_desc *desc)
 					sizeof(event_param.name));
 				/* create event */
 				ret = ltt_event_create(sw->chan,
-					&event_param, NULL,
-					&ev);
+					&event_param, &ev);
 				if (ret) {
 					DBG("Error creating event");
 					continue;
 				}
 				cds_list_add(&ev->wildcard_list,
 					&sw->events);
+				lttng_filter_event_link_bytecode(ev,
+					sw->filter_bytecode);
 			}
 		}
 	}
@@ -295,6 +296,8 @@ int pending_probe_fix_events(const struct lttng_event_desc *desc)
 		event->id = chan->free_event_id++;
 		ret |= _ltt_event_metadata_statedump(chan->session, chan,
 				event);
+		lttng_filter_event_link_bytecode(event,
+			event->filter_bytecode);
 	}
 	return ret;
 }
@@ -500,7 +503,6 @@ void _ltt_channel_destroy(struct ltt_channel *chan)
  */
 int ltt_event_create(struct ltt_channel *chan,
 		struct lttng_ust_event *event_param,
-		void (*filter)(struct ltt_event *event),
 		struct ltt_event **_event)
 {
 	const struct lttng_event_desc *desc = NULL;	/* silence gcc */
@@ -548,7 +550,6 @@ int ltt_event_create(struct ltt_channel *chan,
 		goto cache_error;
 	}
 	event->chan = chan;
-	event->filter = filter;
 	/*
 	 * used_event_id counts the maximum number of event IDs that can
 	 * register if all probes register.
@@ -653,6 +654,8 @@ void _ltt_event_destroy(struct ltt_event *event)
 	}
 	cds_list_del(&event->list);
 	lttng_destroy_context(event->ctx);
+	free(event->filter_bytecode);
+	free(event->filter_data);
 	free(event);
 }
 
@@ -723,6 +726,9 @@ int _ltt_field_statedump(struct ltt_session *session,
 {
 	int ret = 0;
 
+	if (field->nowrite)
+		return 0;
+
 	switch (field->type.atype) {
 	case atype_integer:
 		ret = lttng_metadata_printf(session,
@@ -1109,6 +1115,7 @@ int _ltt_session_metadata_statedump(struct ltt_session *session)
 	struct ltt_event *event;
 	int ret = 0;
 	char procname[LTTNG_UST_PROCNAME_LEN] = "";
+	char hostname[HOST_NAME_MAX];
 
 	if (!CMM_ACCESS_ONCE(session->active))
 		return 0;
@@ -1165,10 +1172,15 @@ int _ltt_session_metadata_statedump(struct ltt_session *session)
 		goto end;
 
 	/* ignore error, just use empty string if error. */
+	hostname[0] = '\0';
+	ret = gethostname(hostname, sizeof(hostname));
+	if (ret && errno == ENAMETOOLONG)
+		hostname[HOST_NAME_MAX - 1] = '\0';
 	lttng_ust_getprocname(procname);
 	procname[LTTNG_UST_PROCNAME_LEN - 1] = '\0';
 	ret = lttng_metadata_printf(session,
 		"env {\n"
+		"	hostname = \"%s\";\n"
 		"	vpid = %d;\n"
 		"	procname = \"%s\";\n"
 		"	domain = \"ust\";\n"
@@ -1177,6 +1189,7 @@ int _ltt_session_metadata_statedump(struct ltt_session *session)
 		"	tracer_minor = %u;\n"
 		"	tracer_patchlevel = %u;\n"
 		"};\n\n",
+		hostname,
 		(int) getpid(),
 		procname,
 		LTTNG_UST_MAJOR_VERSION,
@@ -1417,6 +1430,7 @@ void _remove_wildcard(struct session_wildcard *wildcard)
 		cds_list_del(&wildcard->entry->list);
 		free(wildcard->entry);
 	}
+	free(wildcard->filter_bytecode);
 	free(wildcard);
 }