X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=libringbuffer%2Fring_buffer_backend.c;h=431b8eae949250c1d51bbbe981aac84c42ee5edf;hb=dba2bc1cd5000a1759c1be5fb04382c28762f27a;hp=a0ef74461bd12606b9d3bd6eaa14ac2ae9f600ab;hpb=74e4d0d1536ebc5b3ba01dabcdea468614ced6f7;p=lttng-ust.git

diff --git a/libringbuffer/ring_buffer_backend.c b/libringbuffer/ring_buffer_backend.c
index a0ef7446..431b8eae 100644
--- a/libringbuffer/ring_buffer_backend.c
+++ b/libringbuffer/ring_buffer_backend.c
@@ -341,6 +341,9 @@ int channel_backend_init(struct channel_backend *chanb,
 	shmsize += sizeof(struct commit_counters_hot) * num_subbuf;
 	shmsize += offset_align(shmsize, __alignof__(struct commit_counters_cold));
 	shmsize += sizeof(struct commit_counters_cold) * num_subbuf;
+	/* Sampled timestamp end */
+	shmsize += offset_align(shmsize, __alignof__(uint64_t));
+	shmsize += sizeof(uint64_t) * num_subbuf;
 
 	if (config->alloc == RING_BUFFER_ALLOC_PER_CPU) {
 		struct lttng_ust_lib_ring_buffer *buf;