subbuf_idx * buf->chan->subbuf_size);
header->cycle_count_begin = tsc;
- header->data_size = 0xFFFFFFFF; /* for debugging */
+ header->data_size = 0xFFFFFFFF; /* for recognizing crashed buffers */
+ header->sb_size = 0xFFFFFFFF; /* for recognizing crashed buffers */
+ /* FIXME: add memory barrier? */
ltt_write_trace_header(channel->trace, header);
}