diff options
Diffstat (limited to 'src/vlib')
| -rw-r--r-- | src/vlib/buffer.h | 9 | ||||
| -rw-r--r-- | src/vlib/main.c | 59 |
2 files changed, 25 insertions, 43 deletions
diff --git a/src/vlib/buffer.h b/src/vlib/buffer.h index e47dbc6d4fd..e5c1d21397b 100644 --- a/src/vlib/buffer.h +++ b/src/vlib/buffer.h @@ -142,7 +142,8 @@ typedef struct /**< Only valid for first buffer in chain. Current length plus total length given here give total number of bytes in buffer chain. */ - u32 opaque2[13]; /**< More opaque data, currently unused */ + u32 align_pad; /**< available */ + u32 opaque2[12]; /**< More opaque data, see ../vnet/vnet/buffer.h */ /***** end of second cache line */ CLIB_CACHE_LINE_ALIGN_MARK (cacheline2); @@ -512,7 +513,11 @@ serialize_vlib_buffer_n_bytes (serialize_main_t * m) #define VLIB_BUFFER_TRACE_TRAJECTORY 0 #if VLIB_BUFFER_TRACE_TRAJECTORY > 0 -#define VLIB_BUFFER_TRACE_TRAJECTORY_INIT(b) (b)->pre_data[0]=0 +extern void (*vlib_buffer_trace_trajectory_cb) (vlib_buffer_t * b, u32 index); +extern void (*vlib_buffer_trace_trajectory_init_cb) (vlib_buffer_t * b); +extern void vlib_buffer_trace_trajectory_init (vlib_buffer_t * b); +#define VLIB_BUFFER_TRACE_TRAJECTORY_INIT(b) \ + vlib_buffer_trace_trajectory_init (b); #else #define VLIB_BUFFER_TRACE_TRAJECTORY_INIT(b) #endif /* VLIB_BUFFER_TRACE_TRAJECTORY */ diff --git a/src/vlib/main.c b/src/vlib/main.c index 7875f62ad37..fd9937fe3e6 100644 --- a/src/vlib/main.c +++ b/src/vlib/main.c @@ -884,52 +884,32 @@ vlib_elog_main_loop_event (vlib_main_t * vm, /* data to log */ n_vectors); } +#if VLIB_BUFFER_TRACE_TRAJECTORY > 0 +void (*vlib_buffer_trace_trajectory_cb) (vlib_buffer_t * b, u32 node_index); +void (*vlib_buffer_trace_trajectory_init_cb) (vlib_buffer_t * b); + void -vlib_dump_context_trace (vlib_main_t * vm, u32 bi) +vlib_buffer_trace_trajectory_init (vlib_buffer_t * b) { - vlib_node_main_t *vnm = &vm->node_main; - vlib_buffer_t *b; - u8 i, n; - - if (VLIB_BUFFER_TRACE_TRAJECTORY) + if (PREDICT_TRUE (vlib_buffer_trace_trajectory_init_cb != 0)) { - b = vlib_get_buffer (vm, bi); - n = b->pre_data[0]; - - fformat (stderr, "Context trace for bi %d b 0x%llx, visited %d\n", - bi, b, n); - - if (n == 0 || n > 20) - { - fformat (stderr, "n is unreasonable\n"); - return; - } - - - for (i = 0; i < n; i++) - { - u32 node_index; - - node_index = b->pre_data[i + 1]; + (*vlib_buffer_trace_trajectory_init_cb) (b); + } +} - if (node_index > vec_len (vnm->nodes)) - { - fformat (stderr, "Skip bogus node index %d\n", node_index); - continue; - } +#endif - fformat (stderr, "%v (%d)\n", vnm->nodes[node_index]->name, - node_index); - } - } - else +static inline void +add_trajectory_trace (vlib_buffer_t * b, u32 node_index) +{ +#if VLIB_BUFFER_TRACE_TRAJECTORY > 0 + if (PREDICT_TRUE (vlib_buffer_trace_trajectory_cb != 0)) { - fformat (stderr, - "in vlib/buffers.h, #define VLIB_BUFFER_TRACE_TRAJECTORY 1\n"); + (*vlib_buffer_trace_trajectory_cb) (b, node_index); } +#endif } - static_always_inline u64 dispatch_node (vlib_main_t * vm, vlib_node_runtime_t * node, @@ -995,15 +975,12 @@ dispatch_node (vlib_main_t * vm, if (VLIB_BUFFER_TRACE_TRAJECTORY && frame) { int i; - int log_index; u32 *from; from = vlib_frame_vector_args (frame); for (i = 0; i < frame->n_vectors; i++) { vlib_buffer_t *b = vlib_get_buffer (vm, from[i]); - ASSERT (b->pre_data[0] < 32); - log_index = b->pre_data[0]++ + 1; - b->pre_data[log_index] = node->node_index; + add_trajectory_trace (b, node->node_index); } n = node->function (vm, node, frame); } |