diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/vlibapi/api.h | 3 | ||||
| -rw-r--r-- | src/vlibmemory/api.h | 3 | ||||
| -rw-r--r-- | src/vlibmemory/memory_shared.c | 21 | ||||
| -rw-r--r-- | src/vlibmemory/memory_vlib.c | 7 |
4 files changed, 30 insertions, 4 deletions
diff --git a/src/vlibapi/api.h b/src/vlibapi/api.h index 970a0ee0..fcb101d7 100644 --- a/src/vlibapi/api.h +++ b/src/vlibapi/api.h @@ -124,6 +124,7 @@ typedef struct u8 *is_mp_safe; struct ring_alloc_ *arings; u32 ring_misses; + u32 garbage_collects; u32 missing_clients; vl_api_trace_t *rx_trace; vl_api_trace_t *tx_trace; @@ -212,7 +213,7 @@ typedef struct msgbuf_ { unix_shared_memory_queue_t *q; u32 data_len; - u32 pad; + u32 gc_mark_timestamp; u8 data[0]; } msgbuf_t; diff --git a/src/vlibmemory/api.h b/src/vlibmemory/api.h index 54a0a001..8e44c20d 100644 --- a/src/vlibmemory/api.h +++ b/src/vlibmemory/api.h @@ -86,6 +86,9 @@ typedef struct vl_shmem_hdr_ /* Number of messages reclaimed during application restart */ u32 restart_reclaims; + /* Number of garbage-collected messages */ + u32 garbage_collects; + } vl_shmem_hdr_t; #define VL_SHM_VERSION 2 diff --git a/src/vlibmemory/memory_shared.c b/src/vlibmemory/memory_shared.c index d8d32004..c41f32f7 100644 --- a/src/vlibmemory/memory_shared.c +++ b/src/vlibmemory/memory_shared.c @@ -95,12 +95,31 @@ vl_msg_api_alloc_internal (int nbytes, int pool, int may_return_null) */ if (rv->q) { + u32 now = (u32) time (0); + + if (PREDICT_TRUE (rv->gc_mark_timestamp == 0)) + rv->gc_mark_timestamp = now; + else + { + if (now - rv->gc_mark_timestamp > 10) + { + if (CLIB_DEBUG > 0) + clib_warning ("garbage collect pool %d ring %d index %d", + pool, i, q->head); + shmem_hdr->garbage_collects++; + goto collected; + } + } + + /* yes, loser; try next larger pool */ ap[i].misses++; if (pool == 0) pthread_mutex_unlock (&q->mutex); continue; } + collected: + /* OK, we have a winner */ ap[i].hits++; /* @@ -108,6 +127,7 @@ vl_msg_api_alloc_internal (int nbytes, int pool, int may_return_null) * don't need to know the queue to free the item. */ rv->q = q; + rv->gc_mark_timestamp = 0; q->head++; if (q->head == q->maxsize) q->head = 0; @@ -201,6 +221,7 @@ vl_msg_api_free (void *a) if (rv->q) { rv->q = 0; + rv->gc_mark_timestamp = 0; return; } diff --git a/src/vlibmemory/memory_vlib.c b/src/vlibmemory/memory_vlib.c index 69f35d72..7d21c9dd 100644 --- a/src/vlibmemory/memory_vlib.c +++ b/src/vlibmemory/memory_vlib.c @@ -853,9 +853,10 @@ vl_api_ring_command (vlib_main_t * vm, vlib_cli_output (vm, "%d ring miss fallback allocations\n", am->ring_misses); - vlib_cli_output (vm, "%d application restarts, %d reclaimed msgs\n", - shmem_hdr->application_restarts, - shmem_hdr->restart_reclaims); + vlib_cli_output + (vm, "%d application restarts, %d reclaimed msgs, %d garbage collects\n", + shmem_hdr->application_restarts, + shmem_hdr->restart_reclaims, shmem_hdr->garbage_collects); return 0; } |