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authorFlorin Coras <fcoras@cisco.com>2018-06-08 09:17:39 -0700
committerDamjan Marion <dmarion@me.com>2018-06-09 17:31:26 +0000
commit66cf5e0c4220ac5cde3535983d05c8b972b89911 (patch)
treee82acd0052937e5ed3b5711d36b1b296ffd104c0 /src
parent43f64ce3a251f260a0ba3236f1baa3607c3e47f2 (diff)
session: cleanup queue node tracing
Change-Id: Ib8e332174d96bf9cfa4bbaaa5b8d8bc9958424b1 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src')
-rw-r--r--src/vnet/session/session_node.c134
1 files changed, 67 insertions, 67 deletions
diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c
index b6c1b2f04f3..d6fcd911b08 100644
--- a/src/vnet/session/session_node.c
+++ b/src/vnet/session/session_node.c
@@ -65,17 +65,24 @@ static char *session_queue_error_strings[] = {
#undef _
};
-always_inline void
-session_tx_trace_buffer (vlib_main_t * vm, vlib_node_runtime_t * node,
- u32 next_index, vlib_buffer_t * b,
- stream_session_t * s, u32 * n_trace)
+static void
+session_tx_trace_frame (vlib_main_t * vm, vlib_node_runtime_t * node,
+ u32 next_index, u32 * to_next, u16 n_segs,
+ stream_session_t * s, u32 n_trace)
{
session_queue_trace_t *t;
- vlib_trace_buffer (vm, node, next_index, b, 1 /* follow_chain */ );
- vlib_set_trace_count (vm, node, --*n_trace);
- t = vlib_add_trace (vm, node, b, sizeof (*t));
- t->session_index = s->session_index;
- t->server_thread_index = s->thread_index;
+ vlib_buffer_t *b;
+ int i;
+
+ for (i = 0; i < clib_min (n_trace, n_segs); i++)
+ {
+ b = vlib_get_buffer (vm, to_next[i - n_segs]);
+ vlib_trace_buffer (vm, node, next_index, b, 1 /* follow_chain */ );
+ vlib_set_trace_count (vm, node, --n_trace);
+ t = vlib_add_trace (vm, node, b, sizeof (*t));
+ t->session_index = s->session_index;
+ t->server_thread_index = s->thread_index;
+ }
}
always_inline void
@@ -359,7 +366,7 @@ session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node,
stream_session_t * s, int *n_tx_packets,
u8 peek_data)
{
- u32 next_index, next0, next1, next2, next3, *to_next, n_left_to_next;
+ u32 next_index, next0, next1, *to_next, n_left_to_next;
u32 n_trace = vlib_get_trace_count (vm, node), n_bufs_needed = 0;
u32 thread_index = s->thread_index, n_left, pbi;
session_manager_main_t *smm = &session_manager_main;
@@ -376,7 +383,7 @@ session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node,
}
next_index = smm->session_type_to_next[s->session_type];
- next0 = next1 = next2 = next3 = next_index;
+ next0 = next1 = next_index;
tp = session_get_transport_proto (s);
ctx->s = s;
@@ -428,77 +435,70 @@ session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node,
}
ctx->left_to_snd = ctx->max_len_to_snd;
n_left = ctx->n_segs_per_evt;
- while (n_left)
- {
- while (n_left >= 4)
- {
- vlib_buffer_t *b0, *b1;
- u32 bi0, bi1;
- pbi = smm->tx_buffers[thread_index][n_bufs - 3];
- pb = vlib_get_buffer (vm, pbi);
- vlib_prefetch_buffer_header (pb, STORE);
- pbi = smm->tx_buffers[thread_index][n_bufs - 4];
- pb = vlib_get_buffer (vm, pbi);
- vlib_prefetch_buffer_header (pb, STORE);
+ while (n_left >= 4)
+ {
+ vlib_buffer_t *b0, *b1;
+ u32 bi0, bi1;
- to_next[0] = bi0 = smm->tx_buffers[thread_index][--n_bufs];
- to_next[1] = bi1 = smm->tx_buffers[thread_index][--n_bufs];
+ pbi = smm->tx_buffers[thread_index][n_bufs - 3];
+ pb = vlib_get_buffer (vm, pbi);
+ vlib_prefetch_buffer_header (pb, STORE);
+ pbi = smm->tx_buffers[thread_index][n_bufs - 4];
+ pb = vlib_get_buffer (vm, pbi);
+ vlib_prefetch_buffer_header (pb, STORE);
- b0 = vlib_get_buffer (vm, bi0);
- b1 = vlib_get_buffer (vm, bi1);
+ to_next[0] = bi0 = smm->tx_buffers[thread_index][--n_bufs];
+ to_next[1] = bi1 = smm->tx_buffers[thread_index][--n_bufs];
- session_tx_fill_buffer (vm, ctx, b0, &n_bufs, peek_data);
- session_tx_fill_buffer (vm, ctx, b1, &n_bufs, peek_data);
+ b0 = vlib_get_buffer (vm, bi0);
+ b1 = vlib_get_buffer (vm, bi1);
- ctx->transport_vft->push_header (ctx->tc, b0);
- ctx->transport_vft->push_header (ctx->tc, b1);
+ session_tx_fill_buffer (vm, ctx, b0, &n_bufs, peek_data);
+ session_tx_fill_buffer (vm, ctx, b1, &n_bufs, peek_data);
- to_next += 2;
- n_left_to_next -= 2;
- n_left -= 2;
+ ctx->transport_vft->push_header (ctx->tc, b0);
+ ctx->transport_vft->push_header (ctx->tc, b1);
- VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
- VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b1);
+ to_next += 2;
+ n_left_to_next -= 2;
+ n_left -= 2;
- if (PREDICT_FALSE (n_trace > 0))
- {
- session_tx_trace_buffer (vm, node, next_index, b0, s, &n_trace);
- if (n_trace)
- session_tx_trace_buffer (vm, node, next_index, b1, s,
- &n_trace);
- }
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b1);
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index, to_next,
- n_left_to_next, bi0, bi1,
- next0, next1);
- }
- while (n_left)
- {
- vlib_buffer_t *b0;
- u32 bi0;
+ vlib_validate_buffer_enqueue_x2 (vm, node, next_index, to_next,
+ n_left_to_next, bi0, bi1, next0,
+ next1);
+ }
+ while (n_left)
+ {
+ vlib_buffer_t *b0;
+ u32 bi0;
- ASSERT (n_bufs >= 1);
- to_next[0] = bi0 = smm->tx_buffers[thread_index][--n_bufs];
- b0 = vlib_get_buffer (vm, bi0);
- session_tx_fill_buffer (vm, ctx, b0, &n_bufs, peek_data);
+ ASSERT (n_bufs >= 1);
+ to_next[0] = bi0 = smm->tx_buffers[thread_index][--n_bufs];
+ b0 = vlib_get_buffer (vm, bi0);
+ session_tx_fill_buffer (vm, ctx, b0, &n_bufs, peek_data);
- /* Ask transport to push header after current_length and
- * total_length_not_including_first_buffer are updated */
- ctx->transport_vft->push_header (ctx->tc, b0);
+ /* Ask transport to push header after current_length and
+ * total_length_not_including_first_buffer are updated */
+ ctx->transport_vft->push_header (ctx->tc, b0);
- to_next += 1;
- n_left_to_next -= 1;
- n_left -= 1;
+ to_next += 1;
+ n_left_to_next -= 1;
+ n_left -= 1;
- VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
- if (PREDICT_FALSE (n_trace > 0))
- session_tx_trace_buffer (vm, node, next_index, b0, s, &n_trace);
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
- n_left_to_next, bi0, next0);
- }
+ vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
+ n_left_to_next, bi0, next0);
}
+
+ if (PREDICT_FALSE (n_trace > 0))
+ session_tx_trace_frame (vm, node, next_index, to_next,
+ ctx->n_segs_per_evt, s, n_trace);
+
_vec_len (smm->tx_buffers[thread_index]) = n_bufs;
*n_tx_packets += ctx->n_segs_per_evt;
vlib_put_next_frame (vm, node, next_index, n_left_to_next);