diff options
Diffstat (limited to 'src/vlib/threads.h')
| -rw-r--r-- | src/vlib/threads.h | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/src/vlib/threads.h b/src/vlib/threads.h index c3f1cadee16..72340ee1a37 100644 --- a/src/vlib/threads.h +++ b/src/vlib/threads.h @@ -18,6 +18,22 @@ #include <vlib/main.h> #include <linux/sched.h> +/* + * To enable detailed tracing of barrier usage, including call stacks and + * timings, define BARRIER_TRACING here or in relevant TAGS. If also used + * with CLIB_DEBUG, timing will _not_ be representative of normal code + * execution. + * + */ + +// #define BARRIER_TRACING 1 + +/* + * Two options for barrier tracing output: syslog & elog. + */ + +// #define BARRIER_TRACING_ELOG 1 + extern vlib_main_t **vlib_mains; void vlib_set_thread_name (char *name); @@ -102,6 +118,10 @@ typedef struct vlib_thread_registration_t *registration; u8 *name; u64 barrier_sync_count; +#ifdef BARRIER_TRACING + const char *barrier_caller; + const char *barrier_context; +#endif volatile u32 *node_reforks_required; long lwp; @@ -179,7 +199,14 @@ u32 vlib_frame_queue_main_init (u32 node_index, u32 frame_queue_nelts); #define BARRIER_SYNC_TIMEOUT (1.0) #endif -void vlib_worker_thread_barrier_sync (vlib_main_t * vm); +#ifdef BARRIER_TRACING +#define vlib_worker_thread_barrier_sync(X) {vlib_worker_threads[0].barrier_caller=__FUNCTION__;vlib_worker_thread_barrier_sync_int(X);} +#else +#define vlib_worker_thread_barrier_sync(X) vlib_worker_thread_barrier_sync_int(X) +#endif + + +void vlib_worker_thread_barrier_sync_int (vlib_main_t * vm); void vlib_worker_thread_barrier_release (vlib_main_t * vm); void vlib_worker_thread_node_refork (void); |