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+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*
+ * trace.h: VLIB trace buffer.
+ *
+ * Copyright (c) 2008 Eliot Dresselhaus
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef included_vlib_trace_h
+#define included_vlib_trace_h
+
+#include <vppinfra/pool.h>
+
+typedef struct
+{
+ /* CPU time stamp trace was made. */
+ u64 time;
+
+ /* Node which generated this trace. */
+ u32 node_index;
+
+ /* Number of data words in this trace. */
+ u32 n_data;
+
+ /* Trace data follows. */
+ u8 data[0];
+} vlib_trace_header_t;
+
+typedef struct
+{
+ /* Current number of traces in buffer. */
+ u32 count;
+
+ /* Max. number of traces to be added to buffer. */
+ u32 limit;
+} vlib_trace_node_t;
+
+typedef struct
+{
+ /* Pool of trace buffers. */
+ vlib_trace_header_t **trace_buffer_pool;
+
+ u32 last_main_loop_count;
+ u32 filter_node_index;
+ u32 filter_flag;
+#define FILTER_FLAG_NONE 0
+#define FILTER_FLAG_INCLUDE 1
+#define FILTER_FLAG_EXCLUDE 2
+ u32 filter_count;
+
+ /* set on trace add, cleared on clear trace */
+ u32 trace_active_hint;
+
+ /* Per node trace counts. */
+ vlib_trace_node_t *nodes;
+
+ /* verbosity */
+ int verbose;
+} vlib_trace_main_t;
+
+#endif /* included_vlib_trace_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */