1 /* 2 * Copyright (c) <2013-2015>, <Huawei Technologies Co., Ltd> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 25 * OF SUCH DAMAGE. 26 * 27 * This file is part of the lwIP TCP/IP stack. 28 * 29 */ 30 31 #ifndef __LWIP_PERF_H__ 32 #define __LWIP_PERF_H__ 33 34 #include "lwip/arch.h" 35 #include "lwip/opt.h" 36 #include "lwip/def.h" 37 38 #if defined (__cplusplus) && __cplusplus 39 extern "C" { 40 #endif 41 42 /* PERF_START and PERF_STOP are called in code so its kept as empty here always */ 43 #define PERF_START /* null definition */ 44 #define PERF_STOP(x) /* null definition */ 45 46 #if LWIP_PERF 47 48 void 49 perf_print(u32_t start_ms, u32_t end_ms, char *key); 50 51 #define LWIP_PERF_DECLARATION u32_t start_ms, end_ms 52 #define LWIP_PERF_START start_ms = sys_now() 53 #define LWIP_PERF_STOP(x) do { \ 54 end_ms = sys_now(); \ 55 perf_print(start_ms, end_ms, x); \ 56 } while (0) 57 58 void 59 perf_init(void *data); 60 61 void 62 perf_fini(void *data); 63 64 #endif /* LWIP_PERF */ 65 66 #if defined (__cplusplus) && __cplusplus 67 } 68 #endif 69 70 #endif /* __LWIP_PERF_H__ */ 71 72