}
/*
- * Enable all kernel tracepoint events of a channel of the kernel session.
+ * Enable all kernel sycalls events of a channel of the kernel session.
*/
int event_kernel_enable_all_syscalls(struct ltt_kernel_channel *kchan,
int kernel_tracer_fd)
}
/* Create ust event */
- uevent = trace_ust_create_event(&events[i], filter);
+ uevent = trace_ust_create_event(&events[i], filter, NULL);
if (uevent == NULL) {
ret = LTTNG_ERR_FATAL;
goto error_destroy;
*/
int event_ust_enable_tracepoint(struct ltt_ust_session *usess,
struct ltt_ust_channel *uchan, struct lttng_event *event,
- struct lttng_filter_bytecode *filter)
+ struct lttng_filter_bytecode *filter,
+ struct lttng_event_exclusion *exclusion)
{
int ret = LTTNG_OK, to_create = 0;
struct ltt_ust_event *uevent;
uevent = trace_ust_find_event(uchan->events, event->name, filter,
event->loglevel);
if (uevent == NULL) {
- uevent = trace_ust_create_event(event, filter);
+ uevent = trace_ust_create_event(event, filter, exclusion);
if (uevent == NULL) {
ret = LTTNG_ERR_UST_ENABLE_FAIL;
goto error;
rcu_read_unlock();
return ret;
}
+
+/*
+ * Enable all JUL event for a given UST session.
+ *
+ * Return LTTNG_OK on success or else a LTTNG_ERR* code.
+ */
+int event_jul_enable_all(struct ltt_ust_session *usess)
+{
+ int ret;
+ struct jul_event *jevent;
+ struct lttng_event event;
+ struct lttng_ht_iter iter;
+
+ assert(usess);
+
+ DBG("Event JUL enabling ALL events for session %" PRIu64, usess->id);
+
+ /* Create the * wildcard event name for the Java agent. */
+ memset(event.name, 0, sizeof(event.name));
+ strncpy(event.name, "*", sizeof(event.name));
+ event.name[sizeof(event.name) - 1] = '\0';
+
+ /* Enable event on JUL application through TCP socket. */
+ ret = event_jul_enable(usess, &event);
+ if (ret != LTTNG_OK) {
+ goto error;
+ }
+
+ /* Flag every event that they are now enabled. */
+ rcu_read_lock();
+ cds_lfht_for_each_entry(usess->domain_jul.events->ht, &iter.iter, jevent,
+ node.node) {
+ jevent->enabled = 1;
+ }
+ rcu_read_unlock();
+
+ ret = LTTNG_OK;
+
+error:
+ return ret;
+}
+
+/*
+ * Enable a single JUL event for a given UST session.
+ *
+ * Return LTTNG_OK on success or else a LTTNG_ERR* code.
+ */
+int event_jul_enable(struct ltt_ust_session *usess, struct lttng_event *event)
+{
+ int ret, created = 0;
+ struct jul_event *jevent;
+
+ assert(usess);
+ assert(event);
+
+ DBG("Event JUL enabling %s for session %" PRIu64, event->name, usess->id);
+
+ jevent = jul_find_by_name(event->name, &usess->domain_jul);
+ if (!jevent) {
+ jevent = jul_create_event(event->name);
+ if (!jevent) {
+ ret = LTTNG_ERR_NOMEM;
+ goto error;
+ }
+ created = 1;
+ }
+
+ /* Already enabled? */
+ if (jevent->enabled) {
+ goto end;
+ }
+
+ ret = jul_enable_event(jevent);
+ if (ret != LTTNG_OK) {
+ goto error;
+ }
+
+ /* If the event was created prior to the enable, add it to the domain. */
+ if (created) {
+ jul_add_event(jevent, &usess->domain_jul);
+ }
+
+end:
+ return LTTNG_OK;
+
+error:
+ if (created) {
+ jul_destroy_event(jevent);
+ }
+ return ret;
+}
+
+/*
+ * Disable a single JUL event for a given UST session.
+ *
+ * Return LTTNG_OK on success or else a LTTNG_ERR* code.
+ */
+int event_jul_disable(struct ltt_ust_session *usess, char *event_name)
+{
+ int ret;
+ struct jul_event *jevent;
+
+ assert(usess);
+ assert(event_name);
+
+ DBG("Event JUL disabling %s for session %" PRIu64, event_name, usess->id);
+
+ jevent = jul_find_by_name(event_name, &usess->domain_jul);
+ if (!jevent) {
+ ret = LTTNG_ERR_UST_EVENT_NOT_FOUND;
+ goto error;
+ }
+
+ /* Already disabled? */
+ if (!jevent->enabled) {
+ goto end;
+ }
+
+ ret = jul_disable_event(jevent);
+ if (ret != LTTNG_OK) {
+ goto error;
+ }
+
+end:
+ return LTTNG_OK;
+
+error:
+ return ret;
+}
+/*
+ * Disable all JUL event for a given UST session.
+ *
+ * Return LTTNG_OK on success or else a LTTNG_ERR* code.
+ */
+int event_jul_disable_all(struct ltt_ust_session *usess)
+{
+ int ret, do_disable = 0;
+ struct jul_event *jevent;
+ struct lttng_ht_iter iter;
+
+ assert(usess);
+
+ /* Enable event on JUL application through TCP socket. */
+ ret = event_jul_disable(usess, "*");
+ if (ret != LTTNG_OK) {
+ if (ret == LTTNG_ERR_UST_EVENT_NOT_FOUND) {
+ /*
+ * This means that no enable all was done before but still a user
+ * could want to disable everything even though the * wild card
+ * event does not exists.
+ */
+ do_disable = 1;
+ } else {
+ goto error;
+ }
+ }
+
+ /* Flag every event that they are now enabled. */
+ rcu_read_lock();
+ cds_lfht_for_each_entry(usess->domain_jul.events->ht, &iter.iter, jevent,
+ node.node) {
+ if (jevent->enabled && do_disable) {
+ ret = event_jul_disable(usess, jevent->name);
+ if (ret != LTTNG_OK) {
+ rcu_read_unlock();
+ goto error;
+ }
+ }
+ jevent->enabled = 0;
+ }
+ rcu_read_unlock();
+
+ ret = LTTNG_OK;
+
+error:
+ return ret;
+}
projects / lttng-tools.git / blobdiff