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_DEBUG (0 && TRANSPORT_DEBUG)
35 #define SESSION_DEQ_NODE_EVTS (0)
36 #define SESSION_EVT_POLL_DBG (1)
40 #define SESSION_DBG(_fmt, _args...) clib_warning (_fmt, ##_args)
42 #define DEC_SESSION_ETD(_s, _e, _size) \
47 transport_proto_vft_t *vft = \
48 session_get_transport_vft (_s->session_type); \
49 transport_connection_t *_tc = \
50 vft->get_connection (_s->connection_index, _s->thread_index); \
51 ed = ELOG_TRACK_DATA (&vlib_global_main.elog_main, \
54 #define DEC_SESSION_ED(_e, _size) \
59 ed = ELOG_DATA (&vlib_global_main.elog_main, _e)
61 #define SESSION_EVT_DEQ_HANDLER(_s, _body) \
63 ELOG_TYPE_DECLARE (_e) = \
65 .format = "deq: id %d len %d rd %d wnd %d", \
66 .format_args = "i4i4i4i4", \
68 DEC_SESSION_ETD(_s, _e, 4); \
69 do { _body; } while (0); \
72 #define SESSION_EVT_ENQ_HANDLER(_s, _body) \
74 ELOG_TYPE_DECLARE (_e) = \
76 .format = "enq: id %d length %d", \
77 .format_args = "i4i4", \
79 DEC_SESSION_ETD(_s, _e, 2); \
80 do { _body; } while (0); \
83 #if SESSION_DEQ_NODE_EVTS && SESSION_DEBUG > 1
84 #define SESSION_EVT_DEQ_NODE_HANDLER(_node_evt) \
86 ELOG_TYPE_DECLARE (_e) = \
88 .format = "deq-node: %s", \
89 .format_args = "t4", \
90 .n_enum_strings = 2, \
96 DEC_SESSION_ED(_e, 1); \
97 ed->data[0] = _node_evt; \
100 #define SESSION_EVT_DEQ_NODE_HANDLER(_node_evt)
101 #endif /* SESSION_DEQ_NODE_EVTS */
103 #if SESSION_EVT_POLL_DBG && SESSION_DEBUG > 1
104 #define SESSION_EVT_POLL_GAP(_smm, _my_thread_index) \
106 ELOG_TYPE_DECLARE (_e) = \
108 .format = "nixon-gap: %d MS", \
109 .format_args = "i4", \
111 DEC_SESSION_ED(_e, 1); \
112 ed->data[0] = (u32) ((now - \
113 _smm->last_event_poll_by_thread[my_thread_index])*1000.0); \
115 #define SESSION_EVT_POLL_GAP_TRACK_HANDLER(_smm, _my_thread_index) \
118 smm->last_event_poll_by_thread[my_thread_index] != 0.0)) \
119 if (now > smm->last_event_poll_by_thread[_my_thread_index] + 500e-6)\
120 SESSION_EVT_POLL_GAP(smm, my_thread_index); \
121 _smm->last_event_poll_by_thread[my_thread_index] = now; \
125 #define SESSION_EVT_POLL_GAP(_smm, _my_thread_index)
126 #define SESSION_EVT_POLL_GAP_TRACK_HANDLER(_smm, _my_thread_index)
127 #endif /* SESSION_EVT_POLL_DBG */
129 #define CONCAT_HELPER(_a, _b) _a##_b
130 #define CC(_a, _b) CONCAT_HELPER(_a, _b)
131 #define SESSION_EVT_DBG(_evt, _args...) CC(_evt, _HANDLER)(_args)
134 #define SESSION_EVT_DBG(_evt, _args...)
135 #define SESSION_DBG(_fmt, _args...)
136 #endif /* SESSION_DEBUG */
138 #endif /* SRC_VNET_SESSION_SESSION_DEBUG_H_ */
140 * fd.io coding-style-patch-verification: ON
143 * eval: (c-set-style "gnu")