always_inline void
vlib_validate_trace (vlib_trace_main_t * tm, vlib_buffer_t * b)
{
- /*
- * this assert seems right, but goes off constantly.
+ /*
+ * this assert seems right, but goes off constantly.
* disabling it appears to make the pain go away
*/
ASSERT (1 || b->flags & VLIB_BUFFER_IS_TRACED);
- ASSERT (! pool_is_free_index (tm->trace_buffer_pool, b->trace_index));
+ ASSERT (!pool_is_free_index (tm->trace_buffer_pool, b->trace_index));
}
always_inline void *
vlib_add_trace (vlib_main_t * vm,
- vlib_node_runtime_t * r,
- vlib_buffer_t * b,
- u32 n_data_bytes)
+ vlib_node_runtime_t * r, vlib_buffer_t * b, u32 n_data_bytes)
{
- vlib_trace_main_t * tm = &vm->trace_main;
- vlib_trace_header_t * h;
+ vlib_trace_main_t *tm = &vm->trace_main;
+ vlib_trace_header_t *h;
u32 n_data_words;
vlib_validate_trace (tm, b);
n_data_bytes = round_pow2 (n_data_bytes, sizeof (h[0]));
n_data_words = n_data_bytes / sizeof (h[0]);
vec_add2_aligned (tm->trace_buffer_pool[b->trace_index], h,
- 1 + n_data_words,
- sizeof (h[0]));
+ 1 + n_data_words, sizeof (h[0]));
h->time = vm->cpu_time_last_node_dispatch;
h->n_data = n_data_words;
return h->data;
}
-
+
always_inline vlib_trace_header_t *
vlib_trace_header_next (vlib_trace_header_t * h)
-{ return h + 1 + h->n_data; }
+{
+ return h + 1 + h->n_data;
+}
always_inline void
vlib_free_trace (vlib_main_t * vm, vlib_buffer_t * b)
{
- vlib_trace_main_t * tm = &vm->trace_main;
+ vlib_trace_main_t *tm = &vm->trace_main;
vlib_validate_trace (tm, b);
_vec_len (tm->trace_buffer_pool[b->trace_index]) = 0;
pool_put_index (tm->trace_buffer_pool, b->trace_index);
always_inline void
vlib_trace_next_frame (vlib_main_t * vm,
- vlib_node_runtime_t * r,
- u32 next_index)
+ vlib_node_runtime_t * r, u32 next_index)
{
- vlib_next_frame_t * nf;
+ vlib_next_frame_t *nf;
nf = vlib_node_runtime_get_next_frame (vm, r, next_index);
nf->flags |= VLIB_FRAME_TRACE;
}
+void trace_apply_filter (vlib_main_t * vm);
+
/* Mark buffer as traced and allocate trace buffer. */
always_inline void
vlib_trace_buffer (vlib_main_t * vm,
vlib_node_runtime_t * r,
- u32 next_index,
- vlib_buffer_t * b,
- int follow_chain)
+ u32 next_index, vlib_buffer_t * b, int follow_chain)
{
- vlib_trace_main_t * tm = &vm->trace_main;
- vlib_trace_header_t ** h;
+ vlib_trace_main_t *tm = &vm->trace_main;
+ vlib_trace_header_t **h;
+
+ /*
+ * Apply filter to existing traces to keep number of allocated traces low.
+ * Performed each time around the main loop.
+ */
+ if (tm->last_main_loop_count != vm->main_loop_count)
+ {
+ tm->last_main_loop_count = vm->main_loop_count;
+ trace_apply_filter (vm);
+ }
vlib_trace_next_frame (vm, r, next_index);
pool_get (tm->trace_buffer_pool, h);
- do {
- b->flags |= VLIB_BUFFER_IS_TRACED;
- b->trace_index = h - tm->trace_buffer_pool;
- } while (follow_chain && (b = vlib_get_next_buffer (vm, b)));
+ do
+ {
+ b->flags |= VLIB_BUFFER_IS_TRACED;
+ b->trace_index = h - tm->trace_buffer_pool;
+ }
+ while (follow_chain && (b = vlib_get_next_buffer (vm, b)));
}
always_inline void
-vlib_buffer_copy_trace_flag (vlib_main_t * vm, vlib_buffer_t * b, u32 bi_target)
+vlib_buffer_copy_trace_flag (vlib_main_t * vm, vlib_buffer_t * b,
+ u32 bi_target)
{
- vlib_buffer_t * b_target = vlib_get_buffer (vm, bi_target);
+ vlib_buffer_t *b_target = vlib_get_buffer (vm, bi_target);
b_target->flags |= b->flags & VLIB_BUFFER_IS_TRACED;
b_target->trace_index = b->trace_index;
}
always_inline u32
vlib_get_trace_count (vlib_main_t * vm, vlib_node_runtime_t * rt)
{
- vlib_trace_main_t * tm = &vm->trace_main;
- vlib_trace_node_t * tn;
+ vlib_trace_main_t *tm = &vm->trace_main;
+ vlib_trace_node_t *tn;
int n;
if (rt->node_index >= vec_len (tm->nodes))
}
always_inline void
-vlib_set_trace_count (vlib_main_t * vm, vlib_node_runtime_t * rt,
- u32 count)
+vlib_set_trace_count (vlib_main_t * vm, vlib_node_runtime_t * rt, u32 count)
{
- vlib_trace_main_t * tm = &vm->trace_main;
- vlib_trace_node_t * tn = vec_elt_at_index (tm->nodes, rt->node_index);
+ vlib_trace_main_t *tm = &vm->trace_main;
+ vlib_trace_node_t *tn = vec_elt_at_index (tm->nodes, rt->node_index);
ASSERT (count <= tn->limit);
tn->count = tn->limit - count;
uword n_buffer_data_bytes_in_trace);
#endif /* included_vlib_trace_funcs_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */