3 * Copyright (c) 2020 Project CHIP Authors
4 * Copyright (c) 2014-2017 Nest Labs, Inc.
5 * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
22 * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
23 * All rights reserved.
25 * Redistribution and use in source and binary forms, with or without modification,
26 * are permitted provided that the following conditions are met:
28 * 1. Redistributions of source code must retain the above copyright notice,
29 * this list of conditions and the following disclaimer.
30 * 2. Redistributions in binary form must reproduce the above copyright notice,
31 * this list of conditions and the following disclaimer in the documentation
32 * and/or other materials provided with the distribution.
33 * 3. The name of the author may not be used to endorse or promote products
34 * derived from this software without specific prior written permission.
36 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
37 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
38 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
39 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
40 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
41 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
42 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
43 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
44 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
47 * This file is part of the lwIP TCP/IP stack.
49 * Author: Adam Dunkels <adam@sics.se>
52 #ifndef __ARCH_PERF_H__
53 #define __ARCH_PERF_H__
55 #include <sys/times.h>
60 unsigned long __c1l, __c1h, __c2l, __c2h; \
61 __asm__(".byte 0x0f, 0x31" : "=a"(__c1l), "=d"(__c1h))
62 #define PERF_STOP(x) \
63 __asm__(".byte 0x0f, 0x31" : "=a"(__c2l), "=d"(__c2h)); \
64 perf_print(__c1l, __c1h, __c2l, __c2h, x); \
67 /*#define PERF_START do { \
68 struct tms __perf_start, __perf_end; \
70 #define PERF_STOP(x) times(&__perf_end); \
71 perf_print_times(&__perf_start, &__perf_end, x);\
74 #define PERF_START /* null definition */
75 #define PERF_STOP(x) /* null definition */
78 void perf_print(unsigned long c1l, unsigned long c1h, unsigned long c2l, unsigned long c2h, char * key);
80 void perf_print_times(struct tms * start, struct tms * end, char * key);
82 void perf_init(char * fname);
84 #define sys_profile_interval_set_pbuf_highwatermark(x, y)
85 #define sys_profile_pbuf_allocate(pbuf)
86 #define sys_profile_pbuf_free(pbuf)
87 #define sys_profile_pbuf_transfer(x, y)
89 #endif /* __ARCH_PERF_H__ */