X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=libringbuffer%2Fring_buffer_backend.c;h=46df102b545facd94a8d2b7748f40b9dcdfe9420;hb=fb54defd7e47e106bdf3b7eb07d53f0aba0525ec;hp=72c49102fc935e0995ac08982a1703118d87ac23;hpb=bf8f2ef2cdee524a4d9960fc23374f441f2d09b1;p=lttng-ust.git diff --git a/libringbuffer/ring_buffer_backend.c b/libringbuffer/ring_buffer_backend.c index 72c49102..46df102b 100644 --- a/libringbuffer/ring_buffer_backend.c +++ b/libringbuffer/ring_buffer_backend.c @@ -18,8 +18,9 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#define _GNU_SOURCE #define _LGPL_SOURCE +#include +#include #include #include #include @@ -322,6 +323,13 @@ int channel_backend_init(struct channel_backend *chanb, /* Per-cpu buffer size: control (prior to backend) */ shmsize = offset_align(shmsize, __alignof__(struct lttng_ust_lib_ring_buffer)); shmsize += sizeof(struct lttng_ust_lib_ring_buffer); + shmsize += offset_align(shmsize, __alignof__(struct commit_counters_hot)); + 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; /* Per-cpu buffer size: backend */ /* num_subbuf + 1 is the worse case */ @@ -336,11 +344,6 @@ int channel_backend_init(struct channel_backend *chanb, shmsize += sizeof(struct lttng_ust_lib_ring_buffer_backend_subbuffer) * num_subbuf; shmsize += offset_align(shmsize, __alignof__(struct lttng_ust_lib_ring_buffer_backend_counts)); shmsize += sizeof(struct lttng_ust_lib_ring_buffer_backend_counts) * num_subbuf; - /* Per-cpu buffer size: control (after backend) */ - shmsize += offset_align(shmsize, __alignof__(struct commit_counters_hot)); - 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; if (config->alloc == RING_BUFFER_ALLOC_PER_CPU) { struct lttng_ust_lib_ring_buffer *buf; @@ -351,7 +354,7 @@ int channel_backend_init(struct channel_backend *chanb, struct shm_object *shmobj; shmobj = shm_object_table_alloc(handle->table, shmsize, - SHM_OBJECT_SHM, stream_fds[i]); + SHM_OBJECT_SHM, stream_fds[i], i); if (!shmobj) goto end; align_shm(shmobj, __alignof__(struct lttng_ust_lib_ring_buffer)); @@ -370,7 +373,7 @@ int channel_backend_init(struct channel_backend *chanb, struct lttng_ust_lib_ring_buffer *buf; shmobj = shm_object_table_alloc(handle->table, shmsize, - SHM_OBJECT_SHM, stream_fds[0]); + SHM_OBJECT_SHM, stream_fds[0], -1); if (!shmobj) goto end; align_shm(shmobj, __alignof__(struct lttng_ust_lib_ring_buffer));