- trace_chunk = session_create_new_trace_chunk(
- session, NULL, NULL, NULL);
- if (!trace_chunk) {
- ret = LTTNG_ERR_CREATE_DIR_FAIL;
- goto error;
- }
- assert(!session->current_trace_chunk);
- ret = session_set_trace_chunk(session, trace_chunk, NULL);
- lttng_trace_chunk_put(trace_chunk);
- if (ret) {
- ret = LTTNG_ERR_CREATE_TRACE_CHUNK_FAIL_CONSUMER;
- goto error;
+ DBG("Creating initial trace chunk of session \"%s\"",
+ session->name);
+ trace_chunk = session_create_new_trace_chunk(
+ session, NULL, NULL, NULL);
+ if (!trace_chunk) {
+ ret = LTTNG_ERR_CREATE_DIR_FAIL;
+ goto error;
+ }
+ assert(!session->current_trace_chunk);
+ ret = session_set_trace_chunk(session, trace_chunk,
+ NULL);
+ lttng_trace_chunk_put(trace_chunk);
+ if (ret) {
+ ret = LTTNG_ERR_CREATE_TRACE_CHUNK_FAIL_CONSUMER;
+ goto error;
+ }
+ } else {
+ DBG("Rotating session \"%s\" from its current \"NULL\" trace chunk to a new chunk",
+ session->name);
+ /*
+ * Rotate existing streams into the new chunk.
+ * This is a "quiet" rotation has no client has
+ * explicitly requested this operation.
+ *
+ * There is also no need to wait for the rotation
+ * to complete as it will happen immediately. No data
+ * was produced as the session was stopped, so the
+ * rotation should happen on reception of the command.
+ */
+ ret = cmd_rotate_session(session, NULL, true,
+ LTTNG_TRACE_CHUNK_COMMAND_TYPE_NO_OPERATION);
+ if (ret != LTTNG_OK) {
+ goto error;
+ }