1 /* 2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client 3 * Copyright (C) 2005-2012 Colin Leroy <colin@colino.net> & the Claws Mail team 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 3 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 * 18 */ 19 20 /* 21 * This is a (quite naive) timer, to help determine the speed of various 22 * functions of Claws. By default START_TIMING() and END_TIMING() are NOPS, 23 * so that nothing gets printed out. If you change the #if, however, you'll 24 * be able to get functions timing information. As the implementation is 25 * naive, START_TIMING("message"); must be present just at the end of a 26 * declaration block (or compilation would fail with gcc 2.x), and the 27 * END_TIMING() call must be in the same scope. 28 */ 29 #ifndef __TIMING_H__ 30 #define __TIMING_H__ 31 32 #include <glib.h> 33 #include <sys/time.h> 34 #ifdef HAVE_CONFIG_H 35 #include "claws-features.h" 36 #endif 37 38 #include "utils.h" 39 # define mytimersub(a, b, result) \ 40 do { \ 41 (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ 42 (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \ 43 if ((result)->tv_usec < 0) { \ 44 --(result)->tv_sec; \ 45 (result)->tv_usec += 1000000; \ 46 } \ 47 } while (0) 48 49 #if 0 /* set to 0 to measure times at various places */ 50 #define START_TIMING(str) do {} while(0); 51 #define END_TIMING() do {} while(0); 52 #else 53 54 #ifdef G_OS_WIN32 55 56 #include <w32lib.h> 57 58 /* no {} by purpose */ 59 #define START_TIMING(str) \ 60 LARGE_INTEGER frequency; \ 61 LARGE_INTEGER start; \ 62 LARGE_INTEGER end; \ 63 LARGE_INTEGER diff; \ 64 const char *timing_name=str; \ 65 QueryPerformanceFrequency (&frequency); \ 66 QueryPerformanceCounter (&start); 67 68 #define END_TIMING() \ 69 QueryPerformanceCounter (&end); \ 70 diff.QuadPart = \ 71 (end.QuadPart - start.QuadPart) \ 72 * 1000000/frequency.QuadPart; \ 73 debug_print("TIMING %s: %ds%03dms\n", timing_name, \ 74 (unsigned int) (diff.QuadPart / 1000000), \ 75 (unsigned int) ((diff.QuadPart / 1000) % 1000)); 76 77 #else 78 /* no {} by purpose */ 79 #define START_TIMING(str) \ 80 struct timeval start; \ 81 struct timeval end; \ 82 struct timeval diff; \ 83 const char *timing_name=str; \ 84 gettimeofday(&start, NULL); 85 86 #ifdef __GLIBC__ 87 #define END_TIMING() \ 88 gettimeofday(&end, NULL); \ 89 mytimersub(&end, &start, &diff); \ 90 debug_print("TIMING %s %s: %ds%03dms\n", \ 91 __FUNCTION__, \ 92 timing_name, (unsigned int)diff.tv_sec, \ 93 (unsigned int)diff.tv_usec/1000); 94 #else 95 #define END_TIMING() \ 96 gettimeofday(&end, NULL); \ 97 mytimersub(&end, &start, &diff); \ 98 debug_print("TIMING %s: %ds%03dms\n", \ 99 timing_name, (unsigned int)diff.tv_sec, \ 100 (unsigned int)diff.tv_usec/1000); 101 #endif 102 103 #endif 104 #endif 105 #endif 106