- uevent.type = LTTNG_EVENT_TRACEPOINT;
- uevent.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL;
- default_event_name = event_get_default_agent_ust_name(domain->type);
- if (!default_event_name) {
- ret = -LTTNG_ERR_FATAL;
- goto error;
- }
- strncpy(uevent.name, default_event_name, sizeof(uevent.name));
- uevent.name[sizeof(uevent.name) - 1] = '\0';
-
- /*
- * The domain type is changed because we are about to enable the
- * default channel and event for the JUL domain that are hardcoded.
- * This happens in the UST domain.
- */
- memcpy(&tmp_dom, domain, sizeof(tmp_dom));
- tmp_dom.type = LTTNG_DOMAIN_UST;
-
- if (domain->type == LTTNG_DOMAIN_LOG4J) {
- default_chan_name = DEFAULT_LOG4J_CHANNEL_NAME;
- } else {
- default_chan_name = DEFAULT_JUL_CHANNEL_NAME;
- }
-
- ret = cmd_enable_event(session, &tmp_dom, (char *) default_chan_name,
- &uevent, filter_expression, filter, NULL, wpipe);
- if (ret != LTTNG_OK && ret != LTTNG_ERR_UST_EVENT_ENABLED) {
- goto error;
- }
-
- /* The wild card * means that everything should be enabled. */
- if (strncmp(event->name, "*", 1) == 0 && strlen(event->name) == 1) {
- ret = event_agent_enable_all(usess, agt, event, filter);
- } else {
- ret = event_agent_enable(usess, agt, event, filter);
- }
- if (ret != LTTNG_OK) {
- 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 error;
- }
-
- ret = LTTNG_OK;
-
-error:
- rcu_read_unlock();
- return ret;
-}
-
-/*
- * Command LTTNG_ENABLE_ALL_EVENT processed by the client thread.
- */
-int cmd_enable_event_all(struct ltt_session *session,
- struct lttng_domain *domain, char *channel_name, int event_type,
- char *filter_expression,
- struct lttng_filter_bytecode *filter, int wpipe)
-{
- int ret;
- struct lttng_channel *attr;
-
- assert(session);
- assert(channel_name);
-
- rcu_read_lock();
-
- switch (domain->type) {
- case LTTNG_DOMAIN_KERNEL:
- {
- struct ltt_kernel_channel *kchan;
-
- assert(session->kernel_session);
-
- /*
- * If a non-default channel has been created in the
- * session, explicitely require that -c chan_name needs
- * to be provided.
- */
- if (session->kernel_session->has_non_default_channel
- && channel_name[0] == '\0') {
- ret = LTTNG_ERR_NEED_CHANNEL_NAME;
- goto error;
- }
-
- kchan = trace_kernel_get_channel_by_name(channel_name,
- session->kernel_session);
- if (kchan == NULL) {
- /* Create default channel */
- attr = channel_new_default_attr(LTTNG_DOMAIN_KERNEL,
- LTTNG_BUFFER_GLOBAL);
- if (attr == NULL) {
- ret = LTTNG_ERR_FATAL;
- goto error;
- }
- strncpy(attr->name, channel_name, sizeof(attr->name));
-
- ret = cmd_enable_channel(session, domain, attr, wpipe);
- if (ret != LTTNG_OK) {
- free(attr);
- goto error;
- }
- free(attr);
-
- /* Get the newly created kernel channel pointer */
- kchan = trace_kernel_get_channel_by_name(channel_name,
- session->kernel_session);
- assert(kchan);
- }
-
- switch (event_type) {
- case LTTNG_EVENT_SYSCALL:
- ret = event_kernel_enable_syscall(kchan, "");
- break;
- case LTTNG_EVENT_TRACEPOINT:
- /*
- * This call enables all LTTNG_KERNEL_TRACEPOINTS and
- * events already registered to the channel.
- */
- ret = event_kernel_enable_all_tracepoints(kchan, kernel_tracer_fd);
- break;
- case LTTNG_EVENT_ALL:
- /* Enable syscalls and tracepoints */
- ret = event_kernel_enable_all(kchan, kernel_tracer_fd);
- break;
- default:
- ret = LTTNG_ERR_KERN_ENABLE_FAIL;
- goto error;
- }
-
- /* Manage return value */
- if (ret != LTTNG_OK) {
- /*
- * On error, cmd_enable_channel call will take care of destroying
- * the created channel if it was needed.
- */
- goto error;
- }
-
- kernel_wait_quiescent(kernel_tracer_fd);
- break;
- }
- case LTTNG_DOMAIN_UST:
- {
- struct ltt_ust_channel *uchan;
- struct ltt_ust_session *usess = session->ust_session;
-
- assert(usess);
-
- /*
- * If a non-default channel has been created in the
- * session, explicitely require that -c chan_name needs
- * to be provided.
- */
- if (usess->has_non_default_channel && channel_name[0] == '\0') {
- ret = LTTNG_ERR_NEED_CHANNEL_NAME;
- goto error;
- }
-
- /* Get channel from global UST domain */
- uchan = trace_ust_find_channel_by_name(usess->domain_global.channels,
- channel_name);
- if (uchan == NULL) {
- /* Create default channel */
- attr = channel_new_default_attr(LTTNG_DOMAIN_UST,
- usess->buffer_type);
- if (attr == NULL) {
- ret = LTTNG_ERR_FATAL;
- goto error;
- }
- strncpy(attr->name, channel_name, sizeof(attr->name));
-
- ret = cmd_enable_channel(session, domain, attr, wpipe);
- if (ret != LTTNG_OK) {
- free(attr);
- goto error;
- }
- free(attr);
-
- /* Get the newly created channel reference back */
- uchan = trace_ust_find_channel_by_name(
- usess->domain_global.channels, channel_name);
- assert(uchan);