lib_ring_buffer_offset_address(&buf->backend,
subbuf_idx * chan->backend.subbuf_size);
struct lttng_channel *lttng_chan = channel_get_private(chan);
- struct lttng_session *session = lttng_chan->session;
+ struct lttng_kernel_session *session = lttng_chan->session;
header->magic = CTF_MAGIC_NUMBER;
- memcpy(header->uuid, session->uuid.b, sizeof(session->uuid));
+ memcpy(header->uuid, session->priv->uuid.b, sizeof(session->priv->uuid));
header->stream_id = lttng_chan->id;
header->stream_instance_id = buf->backend.cpu;
header->ctx.timestamp_begin = tsc;