2 * Copyright (c) 2017 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
15 #ifndef SRC_VNET_SESSION_SESSION_DEBUG_H_
16 #define SRC_VNET_SESSION_SESSION_DEBUG_H_
18 #include <vnet/session/transport.h>
19 #include <vlib/vlib.h>
21 #define foreach_session_dbg_evt \
24 _(DEQ_NODE, "dequeue") \
25 _(POLL_GAP_TRACK, "poll gap track") \
27 typedef enum _session_evt_dbg
29 #define _(sym, str) SESSION_EVT_##sym,
30 foreach_session_dbg_evt
34 #define SESSION_DBG (0)
35 #define SESSION_DEQ_NODE_EVTS (0)
36 #define SESSION_EVT_POLL_DBG (1)
38 #if TRANSPORT_DEBUG && SESSION_DBG
40 #define DEC_SESSION_ETD(_s, _e, _size) \
45 transport_proto_vft_t *vft = \
46 session_get_transport_vft (_s->session_type); \
47 transport_connection_t *_tc = \
48 vft->get_connection (_s->connection_index, _s->thread_index); \
49 ed = ELOG_TRACK_DATA (&vlib_global_main.elog_main, \
52 #define DEC_SESSION_ED(_e, _size) \
57 ed = ELOG_DATA (&vlib_global_main.elog_main, _e)
59 #define SESSION_EVT_DEQ_HANDLER(_s, _body) \
61 ELOG_TYPE_DECLARE (_e) = \
63 .format = "deq: id %d len %d rd %d wnd %d", \
64 .format_args = "i4i4i4i4", \
66 DEC_SESSION_ETD(_s, _e, 4); \
67 do { _body; } while (0); \
70 #define SESSION_EVT_ENQ_HANDLER(_s, _body) \
72 ELOG_TYPE_DECLARE (_e) = \
74 .format = "enq: id %d length %d", \
75 .format_args = "i4i4", \
77 DEC_SESSION_ETD(_s, _e, 2); \
78 do { _body; } while (0); \
81 #if SESSION_DEQ_NODE_EVTS
82 #define SESSION_EVT_DEQ_NODE_HANDLER(_node_evt) \
84 ELOG_TYPE_DECLARE (_e) = \
86 .format = "deq-node: %s", \
87 .format_args = "t4", \
88 .n_enum_strings = 2, \
94 DEC_SESSION_ED(_e, 1); \
95 ed->data[0] = _node_evt; \
98 #define SESSION_EVT_DEQ_NODE_HANDLER(_node_evt)
101 #if SESSION_DBG && SESSION_EVT_POLL_DBG
102 #define SESSION_EVT_POLL_GAP(_smm, _my_thread_index) \
104 ELOG_TYPE_DECLARE (_e) = \
106 .format = "nixon-gap: %d MS", \
107 .format_args = "i4", \
109 DEC_SESSION_ED(_e, 1); \
110 ed->data[0] = (u32) ((now - \
111 _smm->last_event_poll_by_thread[my_thread_index])*1000.0); \
113 #define SESSION_EVT_POLL_GAP_TRACK_HANDLER(_smm, _my_thread_index) \
116 smm->last_event_poll_by_thread[my_thread_index] != 0.0)) \
117 if (now > smm->last_event_poll_by_thread[_my_thread_index] + 500e-6)\
118 SESSION_EVT_POLL_GAP(smm, my_thread_index); \
119 _smm->last_event_poll_by_thread[my_thread_index] = now; \
123 #define SESSION_EVT_POLL_GAP(_smm, _my_thread_index)
124 #define SESSION_EVT_POLL_GAP_TRACK_HANDLER(_smm, _my_thread_index)
127 #define CONCAT_HELPER(_a, _b) _a##_b
128 #define CC(_a, _b) CONCAT_HELPER(_a, _b)
129 #define SESSION_EVT_DBG(_evt, _args...) CC(_evt, _HANDLER)(_args)
132 #define SESSION_EVT_DBG(_evt, _args...)
135 #endif /* SRC_VNET_SESSION_SESSION_DEBUG_H_ */
137 * fd.io coding-style-patch-verification: ON
140 * eval: (c-set-style "gnu")