fix support for trace format 2.5

[ust.git] / libust / buffers.c

diff --git a/libust/buffers.c b/libust/buffers.c
index 33c9589861c96efd675ce8602452e406f5974e70..a36453dbb1a45e171eaccab01e7f5e746d0bec71 100644 (file)
--- a/libust/buffers.c
+++ b/libust/buffers.c
@@ -307,7 +307,9 @@ static void ltt_buffer_begin(struct ust_buffer *buf,
                                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);
 }