key.name = event->attr.name;
key.filter = (struct lttng_filter_bytecode *) event->filter;
key.loglevel = event->attr.loglevel;
+ key.exclusion = event->exclusion;
node_ptr = cds_lfht_add_unique(ht->ht,
ht->hash_fct(event->node.key, lttng_ht_seed),
}
/*
- * 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)
/*
* Enable all UST tracepoints for a channel from a UST session.
*/
-int event_ust_enable_all_tracepoints(struct ltt_ust_session *usess, int domain,
- struct ltt_ust_channel *uchan, struct lttng_filter_bytecode *filter)
+int event_ust_enable_all_tracepoints(struct ltt_ust_session *usess,
+ struct ltt_ust_channel *uchan,
+ char *filter_expression,
+ struct lttng_filter_bytecode *filter)
{
int ret, i, size;
struct lttng_ht_iter iter;
rcu_read_lock();
- switch (domain) {
- case LTTNG_DOMAIN_UST:
- {
- /* Enable existing events */
- cds_lfht_for_each_entry(uchan->events->ht, &iter.iter, uevent,
- node.node) {
- if (uevent->enabled == 0) {
- ret = ust_app_enable_event_glb(usess, uchan, uevent);
- if (ret < 0) {
- continue;
- }
- uevent->enabled = 1;
- }
- }
-
- /* Get all UST available events */
- size = ust_app_list_events(&events);
- if (size < 0) {
- ret = LTTNG_ERR_UST_LIST_FAIL;
- goto error;
- }
-
- for (i = 0; i < size; i++) {
- /*
- * Check if event exist and if so, continue since it was enable
- * previously.
- */
- uevent = trace_ust_find_event(uchan->events, events[i].name, filter,
- events[i].loglevel);
- if (uevent != NULL) {
- ret = ust_app_enable_event_pid(usess, uchan, uevent,
- events[i].pid);
- if (ret < 0) {
- if (ret != -LTTNG_UST_ERR_EXIST) {
- ret = LTTNG_ERR_UST_ENABLE_FAIL;
- goto error;
- }
- }
+ /* Enable existing events */
+ cds_lfht_for_each_entry(uchan->events->ht, &iter.iter, uevent,
+ node.node) {
+ if (uevent->enabled == 0) {
+ ret = ust_app_enable_event_glb(usess, uchan, uevent);
+ if (ret < 0) {
continue;
}
+ uevent->enabled = 1;
+ }
+ }
- /* Create ust event */
- uevent = trace_ust_create_event(&events[i], filter);
- if (uevent == NULL) {
- ret = LTTNG_ERR_FATAL;
- goto error_destroy;
- }
+ /* Get all UST available events */
+ size = ust_app_list_events(&events);
+ if (size < 0) {
+ ret = LTTNG_ERR_UST_LIST_FAIL;
+ goto error;
+ }
- /* Create event for the specific PID */
+ for (i = 0; i < size; i++) {
+ /*
+ * Check if event exist and if so, continue since it was enable
+ * previously.
+ */
+ uevent = trace_ust_find_event(uchan->events, events[i].name, filter,
+ events[i].loglevel, NULL);
+ if (uevent != NULL) {
ret = ust_app_enable_event_pid(usess, uchan, uevent,
events[i].pid);
if (ret < 0) {
- if (ret == -LTTNG_UST_ERR_EXIST) {
- ret = LTTNG_ERR_UST_EVENT_EXIST;
- goto error;
- } else {
+ if (ret != -LTTNG_UST_ERR_EXIST) {
ret = LTTNG_ERR_UST_ENABLE_FAIL;
- goto error_destroy;
+ goto error;
}
}
+ continue;
+ }
- uevent->enabled = 1;
- /* Add ltt ust event to channel */
- rcu_read_lock();
- add_unique_ust_event(uchan->events, uevent);
- rcu_read_unlock();
+ /* Create ust event */
+ uevent = trace_ust_create_event(&events[i], filter_expression,
+ filter, NULL);
+ if (uevent == NULL) {
+ ret = LTTNG_ERR_FATAL;
+ goto error_destroy;
}
- free(events);
- break;
- }
-#if 0
- case LTTNG_DOMAIN_UST_EXEC_NAME:
- case LTTNG_DOMAIN_UST_PID:
- case LTTNG_DOMAIN_UST_PID_FOLLOW_CHILDREN:
-#endif
- default:
- ret = LTTNG_ERR_UND;
- goto error;
+ /* Create event for the specific PID */
+ ret = ust_app_enable_event_pid(usess, uchan, uevent,
+ events[i].pid);
+ if (ret < 0) {
+ if (ret == -LTTNG_UST_ERR_EXIST) {
+ ret = LTTNG_ERR_UST_EVENT_EXIST;
+ goto error;
+ } else {
+ ret = LTTNG_ERR_UST_ENABLE_FAIL;
+ goto error_destroy;
+ }
+ }
+
+ uevent->enabled = 1;
+ /* Add ltt ust event to channel */
+ rcu_read_lock();
+ add_unique_ust_event(uchan->events, uevent);
+ rcu_read_unlock();
}
+ free(events);
rcu_read_unlock();
return LTTNG_OK;
/*
* Enable UST tracepoint event for a channel from a UST session.
*/
-int event_ust_enable_tracepoint(struct ltt_ust_session *usess, int domain,
+int event_ust_enable_tracepoint(struct ltt_ust_session *usess,
struct ltt_ust_channel *uchan, struct lttng_event *event,
- struct lttng_filter_bytecode *filter)
+ char *filter_expression,
+ struct lttng_filter_bytecode *filter,
+ struct lttng_event_exclusion *exclusion)
{
int ret = LTTNG_OK, to_create = 0;
struct ltt_ust_event *uevent;
rcu_read_lock();
uevent = trace_ust_find_event(uchan->events, event->name, filter,
- event->loglevel);
+ event->loglevel, exclusion);
if (uevent == NULL) {
- uevent = trace_ust_create_event(event, filter);
+ uevent = trace_ust_create_event(event, filter_expression,
+ filter, exclusion);
if (uevent == NULL) {
ret = LTTNG_ERR_UST_ENABLE_FAIL;
goto error;
uevent->enabled = 1;
- switch (domain) {
- case LTTNG_DOMAIN_UST:
- {
- if (to_create) {
- /* Create event on all UST registered apps for session */
- ret = ust_app_create_event_glb(usess, uchan, uevent);
- } else {
- /* Enable event on all UST registered apps for session */
- ret = ust_app_enable_event_glb(usess, uchan, uevent);
- }
+ if (to_create) {
+ /* Create event on all UST registered apps for session */
+ ret = ust_app_create_event_glb(usess, uchan, uevent);
+ } else {
+ /* Enable event on all UST registered apps for session */
+ ret = ust_app_enable_event_glb(usess, uchan, uevent);
+ }
- if (ret < 0) {
- if (ret == -LTTNG_UST_ERR_EXIST) {
- ret = LTTNG_ERR_UST_EVENT_EXIST;
- goto end;
- } else {
- ret = LTTNG_ERR_UST_ENABLE_FAIL;
- goto error;
- }
+ if (ret < 0) {
+ if (ret == -LTTNG_UST_ERR_EXIST) {
+ ret = LTTNG_ERR_UST_EVENT_EXIST;
+ goto end;
+ } else {
+ ret = LTTNG_ERR_UST_ENABLE_FAIL;
+ goto error;
}
- break;
- }
-#if 0
- case LTTNG_DOMAIN_UST_EXEC_NAME:
- case LTTNG_DOMAIN_UST_PID:
- case LTTNG_DOMAIN_UST_PID_FOLLOW_CHILDREN:
-#endif
- default:
- ret = LTTNG_ERR_UND;
- goto end;
}
if (to_create) {
/*
* Disable UST tracepoint of a channel from a UST session.
*/
-int event_ust_disable_tracepoint(struct ltt_ust_session *usess, int domain,
+int event_ust_disable_tracepoint(struct ltt_ust_session *usess,
struct ltt_ust_channel *uchan, char *event_name)
{
int ret;
if (uevent->enabled == 0) {
/* It's already disabled so everything is OK */
- ret = LTTNG_OK;
- continue;
+ goto next;
}
- switch (domain) {
- case LTTNG_DOMAIN_UST:
- ret = ust_app_disable_event_glb(usess, uchan, uevent);
- if (ret < 0 && ret != -LTTNG_UST_ERR_EXIST) {
- ret = LTTNG_ERR_UST_DISABLE_FAIL;
- goto error;
- }
- break;
-#if 0
- case LTTNG_DOMAIN_UST_EXEC_NAME:
- case LTTNG_DOMAIN_UST_PID:
- case LTTNG_DOMAIN_UST_PID_FOLLOW_CHILDREN:
-#endif
- default:
- ret = LTTNG_ERR_UND;
+ ret = ust_app_disable_event_glb(usess, uchan, uevent);
+ if (ret < 0 && ret != -LTTNG_UST_ERR_EXIST) {
+ ret = LTTNG_ERR_UST_DISABLE_FAIL;
goto error;
}
-
uevent->enabled = 0;
DBG2("Event UST %s disabled in channel %s", uevent->attr.name,
uchan->name);
+next:
/* Get next duplicate event by name. */
cds_lfht_next_duplicate(ht->ht, trace_ust_ht_match_event_by_name,
event_name, &iter.iter);
/*
* Disable all UST tracepoints for a channel from a UST session.
*/
-int event_ust_disable_all_tracepoints(struct ltt_ust_session *usess, int domain,
+int event_ust_disable_all_tracepoints(struct ltt_ust_session *usess,
struct ltt_ust_channel *uchan)
{
int ret, i, size;
rcu_read_lock();
- switch (domain) {
- case LTTNG_DOMAIN_UST:
- {
- /* Disabling existing events */
- cds_lfht_for_each_entry(uchan->events->ht, &iter.iter, uevent,
- node.node) {
- if (uevent->enabled == 1) {
- ret = event_ust_disable_tracepoint(usess, domain, uchan,
- uevent->attr.name);
- if (ret < 0) {
- continue;
- }
+ /* Disabling existing events */
+ cds_lfht_for_each_entry(uchan->events->ht, &iter.iter, uevent,
+ node.node) {
+ if (uevent->enabled == 1) {
+ ret = event_ust_disable_tracepoint(usess, uchan,
+ uevent->attr.name);
+ if (ret < 0) {
+ continue;
}
}
+ }
- /* Get all UST available events */
- size = ust_app_list_events(&events);
- if (size < 0) {
- ret = LTTNG_ERR_UST_LIST_FAIL;
- goto error;
+ /* Get all UST available events */
+ size = ust_app_list_events(&events);
+ if (size < 0) {
+ ret = LTTNG_ERR_UST_LIST_FAIL;
+ goto error;
+ }
+
+ for (i = 0; i < size; i++) {
+ ret = event_ust_disable_tracepoint(usess, uchan,
+ events[i].name);
+ if (ret != LTTNG_OK) {
+ /* Continue to disable the rest... */
+ continue;
}
+ }
+ free(events);
- for (i = 0; i < size; i++) {
- ret = event_ust_disable_tracepoint(usess, domain, uchan,
- events[i].name);
- if (ret != LTTNG_OK) {
- /* Continue to disable the rest... */
- continue;
- }
+ rcu_read_unlock();
+ return LTTNG_OK;
+
+error:
+ free(events);
+ 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,
+ struct lttng_event *event)
+{
+ int ret;
+ struct jul_event *jevent;
+ struct lttng_ht_iter iter;
+
+ assert(usess);
+
+ DBG("Event JUL enabling ALL events for session %" PRIu64, usess->id);
+
+ /* 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 " with loglevel type %d "
+ "and loglevel %d", event->name, usess->id, event->loglevel_type,
+ event->loglevel);
+
+ jevent = jul_find_event(event->name, event->loglevel, &usess->domain_jul);
+ if (!jevent) {
+ jevent = jul_create_event(event->name);
+ if (!jevent) {
+ ret = LTTNG_ERR_NOMEM;
+ goto error;
}
+ jevent->loglevel = event->loglevel;
+ jevent->loglevel_type = event->loglevel_type;
+ created = 1;
+ }
- free(events);
- break;
+ /* Already enabled? */
+ if (jevent->enabled) {
+ goto end;
}
-#if 0
- case LTTNG_DOMAIN_UST_EXEC_NAME:
- case LTTNG_DOMAIN_UST_PID:
- case LTTNG_DOMAIN_UST_PID_FOLLOW_CHILDREN:
-#endif
- default:
- ret = LTTNG_ERR_UND;
+
+ ret = jul_enable_event(jevent);
+ if (ret != LTTNG_OK) {
goto error;
}
- rcu_read_unlock();
+ /* 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:
- free(events);
+ 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_event_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;
}