Send filter expression string to session daemon

[lttng-tools.git] / src / bin / lttng-sessiond / trace-ust.c

diff --git a/src/bin/lttng-sessiond/trace-ust.c b/src/bin/lttng-sessiond/trace-ust.c
index c08246a25a9f441360fb5ad4a1b6c5ef1a04d7e0..8d3c7dcf8e8e59f3962c991225b67174a5414d22 100644 (file)
--- a/src/bin/lttng-sessiond/trace-ust.c
+++ b/src/bin/lttng-sessiond/trace-ust.c
@@ -220,6 +220,14 @@ struct ltt_ust_session *trace_ust_create_session(uint64_t session_id)
        lus->id = session_id;
        lus->start_trace = 0;
 
+       /* Set default metadata channel attribute. */
+       lus->metadata_attr.overwrite = DEFAULT_CHANNEL_OVERWRITE;
+       lus->metadata_attr.subbuf_size = default_get_metadata_subbuf_size();
+       lus->metadata_attr.num_subbuf = DEFAULT_METADATA_SUBBUF_NUM;
+       lus->metadata_attr.switch_timer_interval = DEFAULT_METADATA_SWITCH_TIMER;
+       lus->metadata_attr.read_timer_interval = DEFAULT_METADATA_READ_TIMER;
+       lus->metadata_attr.output = LTTNG_UST_MMAP;
+
        /*
         * Default buffer type. This can be changed through an enable channel
         * requesting a different type. Note that this can only be changed once
@@ -332,6 +340,7 @@ error:
  * Return pointer to structure or NULL.
  */
 struct ltt_ust_event *trace_ust_create_event(struct lttng_event *ev,
+               char *filter_expression,
                struct lttng_filter_bytecode *filter,
                struct lttng_event_exclusion *exclusion)
 {
@@ -386,6 +395,7 @@ struct ltt_ust_event *trace_ust_create_event(struct lttng_event *ev,
        }
 
        /* Same layout. */
+       lue->filter_expression = filter_expression;
        lue->filter = (struct lttng_ust_filter_bytecode *) filter;
        lue->exclusion = (struct lttng_event_exclusion *) exclusion;
 
@@ -503,6 +513,7 @@ void trace_ust_destroy_event(struct ltt_ust_event *event)
        assert(event);
 
        DBG2("Trace destroy UST event %s", event->attr.name);
+       free(event->filter_expression);
        free(event->filter);
        free(event->exclusion);
        free(event);