2 * Copyright (c) 2015 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.
16 * trace.h: VLIB trace buffer.
18 * Copyright (c) 2008 Eliot Dresselhaus
20 * Permission is hereby granted, free of charge, to any person obtaining
21 * a copy of this software and associated documentation files (the
22 * "Software"), to deal in the Software without restriction, including
23 * without limitation the rights to use, copy, modify, merge, publish,
24 * distribute, sublicense, and/or sell copies of the Software, and to
25 * permit persons to whom the Software is furnished to do so, subject to
26 * the following conditions:
28 * The above copyright notice and this permission notice shall be
29 * included in all copies or substantial portions of the Software.
31 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
32 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
33 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
34 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
35 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
36 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
37 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
40 #ifndef included_vlib_trace_h
41 #define included_vlib_trace_h
43 #include <vppinfra/pool.h>
47 /* CPU time stamp trace was made. */
50 /* Node which generated this trace. */
53 /* Number of data words in this trace. */
56 /* Trace data follows. */
58 } vlib_trace_header_t;
62 /* Current number of traces in buffer. */
65 /* Max. number of traces to be added to buffer. */
69 /* Callback type for post-processing the vlib trace buffer */
71 struct vlib_trace_main_t;
72 typedef void (vlib_trace_buffer_callback_t) (struct vlib_main_t *,
73 struct vlib_trace_main_t *);
75 /* Callback type for alternate handling of vlib_add_trace internals */
76 struct vlib_node_runtime_t;
78 typedef void *(vlib_add_trace_callback_t) (struct vlib_main_t *,
79 struct vlib_node_runtime_t * r,
80 struct vlib_buffer_t * b,
85 /* Pool of trace buffers. */
86 vlib_trace_header_t **trace_buffer_pool;
88 u32 last_main_loop_count;
89 u32 filter_node_index;
91 #define FILTER_FLAG_NONE 0
92 #define FILTER_FLAG_INCLUDE 1
93 #define FILTER_FLAG_EXCLUDE 2
96 /* set on trace add, cleared on clear trace */
99 /* Per node trace counts. */
100 vlib_trace_node_t *nodes;
105 /* a callback to enable customized consumption of the trace buffer content */
106 vlib_trace_buffer_callback_t *trace_buffer_callback;
108 /* a callback to enable customized addition of a new trace */
109 vlib_add_trace_callback_t *add_trace_callback;
113 format_function_t format_vlib_trace;
115 #endif /* included_vlib_trace_h */
118 * fd.io coding-style-patch-verification: ON
121 * eval: (c-set-style "gnu")