- if (config->alloc == RING_BUFFER_ALLOC_PER_CPU) {
- for_each_channel_cpu(cpu, chan) {
- struct lttng_ust_lib_ring_buffer *buf = shmp(handle, chan->backend.buf[cpu].shmp);
-
- if (config->cb.buffer_finalize)
- config->cb.buffer_finalize(buf,
- channel_get_private(chan),
- cpu, handle);
- if (buf->backend.allocated)
- lib_ring_buffer_switch_slow(buf, SWITCH_FLUSH,
- handle);
- /*
- * Perform flush before writing to finalized.
- */
- cmm_smp_wmb();
- CMM_ACCESS_ONCE(buf->finalized) = 1;
- //wake_up_interruptible(&buf->read_wait);
- }
- } else {
- struct lttng_ust_lib_ring_buffer *buf = shmp(handle, chan->backend.buf[0].shmp);