| 1 | /* $Id: kmk_time.c 2019 2008-11-02 00:21:05Z bird $ */
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| 2 | /** @file
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| 3 | * kmk_time - Time program execution.
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| 4 | *
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| 5 | * This is based on kmk/kmkbuiltin/redirect.c.
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| 6 | */
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| 7 |
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| 8 | /*
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| 9 | * Copyright (c) 2007-2008 knut st. osmundsen <bird-src-spam@anduin.net>
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| 10 | *
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| 11 | * This file is part of kBuild.
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| 12 | *
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| 13 | * kBuild is free software; you can redistribute it and/or modify
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| 14 | * it under the terms of the GNU General Public License as published by
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| 15 | * the Free Software Foundation; either version 3 of the License, or
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| 16 | * (at your option) any later version.
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| 17 | *
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| 18 | * kBuild is distributed in the hope that it will be useful,
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| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 21 | * GNU General Public License for more details.
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| 22 | *
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| 23 | * You should have received a copy of the GNU General Public License
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| 24 | * along with kBuild. If not, see <http://www.gnu.org/licenses/>
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| 25 | *
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| 26 | */
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| 27 |
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| 28 | /*******************************************************************************
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| 29 | * Header Files *
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| 30 | *******************************************************************************/
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| 31 | #include <stdio.h>
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| 32 | #include <stdlib.h>
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| 33 | #include <string.h>
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| 34 | #include <errno.h>
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| 35 | #include <fcntl.h>
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| 36 | #include <time.h>
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| 37 | #if defined(_MSC_VER)
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| 38 | # include <io.h>
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| 39 | # include <direct.h>
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| 40 | # include <process.h>
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| 41 | # include <Windows.h>
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| 42 | #else
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| 43 | # include <unistd.h>
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| 44 | # include <sys/time.h>
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| 45 | # include <sys/wait.h>
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| 46 | # include <signal.h>
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| 47 | #endif
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| 48 |
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| 49 | #ifdef __OS2__
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| 50 | # define INCL_BASE
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| 51 | # include <os2.h>
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| 52 | # ifndef LIBPATHSTRICT
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| 53 | # define LIBPATHSTRICT 3
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| 54 | # endif
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| 55 | #endif
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| 56 |
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| 57 | #ifndef _MSC_VER
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| 58 | static const char *my_strsignal(int signo)
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| 59 | {
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| 60 | #define CASE_SIG_RET_STR(sig) if (signo == SIG##sig) return #sig
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| 61 | #ifdef SIGHUP
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| 62 | CASE_SIG_RET_STR(HUP);
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| 63 | #endif
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| 64 | #ifdef SIGINT
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| 65 | CASE_SIG_RET_STR(INT);
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| 66 | #endif
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| 67 | #ifdef SIGQUIT
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| 68 | CASE_SIG_RET_STR(QUIT);
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| 69 | #endif
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| 70 | #ifdef SIGILL
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| 71 | CASE_SIG_RET_STR(ILL);
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| 72 | #endif
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| 73 | #ifdef SIGTRAP
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| 74 | CASE_SIG_RET_STR(TRAP);
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| 75 | #endif
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| 76 | #ifdef SIGABRT
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| 77 | CASE_SIG_RET_STR(ABRT);
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| 78 | #endif
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| 79 | #ifdef SIGIOT
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| 80 | CASE_SIG_RET_STR(IOT);
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| 81 | #endif
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| 82 | #ifdef SIGBUS
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| 83 | CASE_SIG_RET_STR(BUS);
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| 84 | #endif
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| 85 | #ifdef SIGFPE
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| 86 | CASE_SIG_RET_STR(FPE);
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| 87 | #endif
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| 88 | #ifdef SIGKILL
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| 89 | CASE_SIG_RET_STR(KILL);
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| 90 | #endif
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| 91 | #ifdef SIGUSR1
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| 92 | CASE_SIG_RET_STR(USR1);
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| 93 | #endif
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| 94 | #ifdef SIGSEGV
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| 95 | CASE_SIG_RET_STR(SEGV);
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| 96 | #endif
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| 97 | #ifdef SIGUSR2
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| 98 | CASE_SIG_RET_STR(USR2);
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| 99 | #endif
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| 100 | #ifdef SIGPIPE
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| 101 | CASE_SIG_RET_STR(PIPE);
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| 102 | #endif
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| 103 | #ifdef SIGALRM
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| 104 | CASE_SIG_RET_STR(ALRM);
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| 105 | #endif
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| 106 | #ifdef SIGTERM
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| 107 | CASE_SIG_RET_STR(TERM);
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| 108 | #endif
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| 109 | #ifdef SIGSTKFLT
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| 110 | CASE_SIG_RET_STR(STKFLT);
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| 111 | #endif
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| 112 | #ifdef SIGCHLD
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| 113 | CASE_SIG_RET_STR(CHLD);
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| 114 | #endif
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| 115 | #ifdef SIGCONT
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| 116 | CASE_SIG_RET_STR(CONT);
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| 117 | #endif
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| 118 | #ifdef SIGSTOP
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| 119 | CASE_SIG_RET_STR(STOP);
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| 120 | #endif
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| 121 | #ifdef SIGTSTP
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| 122 | CASE_SIG_RET_STR(TSTP);
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| 123 | #endif
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| 124 | #ifdef SIGTTIN
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| 125 | CASE_SIG_RET_STR(TTIN);
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| 126 | #endif
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| 127 | #ifdef SIGTTOU
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| 128 | CASE_SIG_RET_STR(TTOU);
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| 129 | #endif
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| 130 | #ifdef SIGURG
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| 131 | CASE_SIG_RET_STR(URG);
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| 132 | #endif
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| 133 | #ifdef SIGXCPU
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| 134 | CASE_SIG_RET_STR(XCPU);
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| 135 | #endif
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| 136 | #ifdef SIGXFSZ
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| 137 | CASE_SIG_RET_STR(XFSZ);
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| 138 | #endif
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| 139 | #ifdef SIGVTALRM
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| 140 | CASE_SIG_RET_STR(VTALRM);
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| 141 | #endif
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| 142 | #ifdef SIGPROF
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| 143 | CASE_SIG_RET_STR(PROF);
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| 144 | #endif
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| 145 | #ifdef SIGWINCH
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| 146 | CASE_SIG_RET_STR(WINCH);
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| 147 | #endif
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| 148 | #ifdef SIGIO
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| 149 | CASE_SIG_RET_STR(IO);
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| 150 | #endif
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| 151 | #ifdef SIGPWR
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| 152 | CASE_SIG_RET_STR(PWR);
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| 153 | #endif
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| 154 | #ifdef SIGSYS
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| 155 | CASE_SIG_RET_STR(SYS);
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| 156 | #endif
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| 157 | #ifdef SIGBREAK
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| 158 | CASE_SIG_RET_STR(BREAK);
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| 159 | #endif
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| 160 | #undef CASE_SIG_RET_STR
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| 161 | return "???";
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| 162 | }
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| 163 | #endif /* unix */
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| 164 |
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| 165 | static const char *name(const char *pszName)
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| 166 | {
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| 167 | const char *psz = strrchr(pszName, '/');
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| 168 | #if defined(_MSC_VER) || defined(__OS2__)
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| 169 | const char *psz2 = strrchr(pszName, '\\');
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| 170 | if (!psz2)
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| 171 | psz2 = strrchr(pszName, ':');
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| 172 | if (psz2 && (!psz || psz2 > psz))
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| 173 | psz = psz2;
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| 174 | #endif
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| 175 | return psz ? psz + 1 : pszName;
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| 176 | }
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| 177 |
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| 178 |
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| 179 | static int usage(FILE *pOut, const char *argv0)
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| 180 | {
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| 181 | fprintf(pOut,
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| 182 | "usage: %s <program> [args]\n"
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| 183 | " or: %s --help\n"
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| 184 | " or: %s --version\n"
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| 185 | ,
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| 186 | argv0, argv0, argv0);
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| 187 | return 1;
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| 188 | }
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| 189 |
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| 190 |
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| 191 | int main(int argc, char **argv)
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| 192 | {
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| 193 | int i, j;
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| 194 | int cTimes = 1;
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| 195 | #if defined(_MSC_VER)
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| 196 | FILETIME ftStart, ft;
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| 197 | unsigned _int64 usMin, usMax, usAvg, usTotal, usCur;
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| 198 | unsigned _int64 iStart;
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| 199 | intptr_t rc;
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| 200 | #else
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| 201 | struct timeval tvStart, tv;
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| 202 | unsigned long long usMin, usMax, usAvg, usTotal, usCur;
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| 203 | pid_t pid;
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| 204 | int rc;
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| 205 | #endif
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| 206 |
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| 207 | /*
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| 208 | * Parse arguments.
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| 209 | */
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| 210 | if (argc <= 1)
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| 211 | return usage(stderr, name(argv[0]));
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| 212 | for (i = 1; i < argc; i++)
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| 213 | {
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| 214 | char *psz = &argv[i][0];
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| 215 | if (*psz++ != '-')
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| 216 | break;
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| 217 |
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| 218 | if (*psz == '-')
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| 219 | {
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| 220 | /* '--' ? */
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| 221 | if (!psz[1])
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| 222 | {
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| 223 | i++;
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| 224 | break;
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| 225 | }
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| 226 |
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| 227 | /* convert to short. */
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| 228 | if (!strcmp(psz, "-help"))
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| 229 | psz = "h";
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| 230 | else if (!strcmp(psz, "-version"))
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| 231 | psz = "V";
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| 232 | else if (!strcmp(psz, "-iterations"))
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| 233 | psz = "i";
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| 234 | }
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| 235 |
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| 236 | switch (*psz)
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| 237 | {
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| 238 | case 'h':
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| 239 | usage(stdout, name(argv[0]));
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| 240 | return 0;
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| 241 |
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| 242 | case 'V':
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| 243 | printf("kmk_time - kBuild version %d.%d.%d (r%u)\n"
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| 244 | "Copyright (C) 2007-2008 Knut St. Osmundsen\n",
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| 245 | KBUILD_VERSION_MAJOR, KBUILD_VERSION_MINOR, KBUILD_VERSION_PATCH,
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| 246 | KBUILD_SVN_REV);
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| 247 | return 0;
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| 248 |
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| 249 | case 'i':
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| 250 | if (i + 1 >= argc)
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| 251 | {
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| 252 | fprintf(stderr, "%s: syntax error: missing iteration count\n", name(argv[0]));
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| 253 | return 1;
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| 254 | }
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| 255 | cTimes = atoi(argv[++i]);
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| 256 | if (cTimes <= 0)
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| 257 | {
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| 258 | fprintf(stderr, "%s: error: invalid interation count '%s'.\n", name(argv[0]), argv[i]);
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| 259 | return 1;
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| 260 | }
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| 261 | break;
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| 262 |
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| 263 | default:
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| 264 | fprintf(stderr, "%s: error: syntax error '%s'\n", name(argv[0]), argv[i]);
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| 265 | return 1;
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| 266 | }
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| 267 | }
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| 268 |
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| 269 | /*
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| 270 | * Make sure there's something to execute.
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| 271 | */
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| 272 | if (i >= argc)
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| 273 | {
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| 274 | fprintf(stderr, "%s: syntax error: nothing to execute!\n", name(argv[0]));
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| 275 | return usage(stderr, name(argv[0]));
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| 276 | }
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| 277 |
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| 278 | /*
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| 279 | * Execute the program the specified number of times.
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| 280 | */
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| 281 | usMax = usMin = usTotal = 0;
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| 282 | usMin--; /* wraps to max value */
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| 283 | for (j = 0; j < cTimes; j++)
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| 284 | {
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| 285 | /*
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| 286 | * Execute the program (it's actually supposed to be a command I think, but wtf).
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| 287 | */
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| 288 |
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| 289 | #if defined(_MSC_VER)
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| 290 | /** @todo
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| 291 | * We'll have to find the '--' in the commandline and pass that
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| 292 | * on to CreateProcess or spawn. Otherwise, the argument qouting
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| 293 | * is gonna be messed up.
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| 294 | */
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| 295 | GetSystemTimeAsFileTime(&ftStart);
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| 296 | rc = _spawnvp(_P_WAIT, argv[i], &argv[i]);
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| 297 | if (rc == -1)
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| 298 | {
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| 299 | fprintf(stderr, "%s: error: _spawnvp(_P_WAIT, \"%s\", ...) failed: %s\n", name(argv[0]), argv[i], strerror(errno));
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| 300 | return 8;
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| 301 | }
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| 302 |
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| 303 | GetSystemTimeAsFileTime(&ft);
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| 304 |
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| 305 | iStart = ftStart.dwLowDateTime | ((unsigned _int64)ftStart.dwHighDateTime << 32);
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| 306 | usCur = ft.dwLowDateTime | ((unsigned _int64)ft.dwHighDateTime << 32);
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| 307 | usCur -= iStart;
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| 308 | usCur /= 10; /* to usecs */
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| 309 |
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| 310 | printf("%s: ", name(argv[0]));
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| 311 | if (cTimes != 1)
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| 312 | printf("#%02u ", j + 1);
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| 313 | printf("%um%u.%06us - exit code: %d\n",
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| 314 | (unsigned)(usCur / (60 * 1000000)),
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| 315 | (unsigned)(usCur % (60 * 1000000)) / 1000000,
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| 316 | (unsigned)(usCur % 1000000),
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| 317 | rc);
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| 318 |
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| 319 | #else /* unix: */
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| 320 | rc = 1;
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| 321 | gettimeofday(&tvStart, NULL);
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| 322 | pid = fork();
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| 323 | if (!pid)
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| 324 | {
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| 325 | /* child */
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| 326 | execvp(argv[i], &argv[i]);
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| 327 | fprintf(stderr, "%s: error: _execvp(\"%s\", ...) failed: %s\n", name(argv[0]), argv[i], strerror(errno));
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| 328 | return 8;
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| 329 | }
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| 330 | if (pid < 0)
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| 331 | {
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| 332 | fprintf(stderr, "%s: error: fork() failed: %s\n", name(argv[0]), strerror(errno));
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| 333 | return 8;
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| 334 | }
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| 335 |
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| 336 | /* parent, wait for child. */
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| 337 | rc = 9;
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| 338 | while (waitpid(pid, &rc, 0) == -1 && errno == EINTR)
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| 339 | /* nothing */;
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| 340 | gettimeofday(&tv, NULL);
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| 341 |
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| 342 | /* calc elapsed time */
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| 343 | tv.tv_sec -= tvStart.tv_sec;
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| 344 | if (tv.tv_usec > tvStart.tv_usec)
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| 345 | tv.tv_usec -= tvStart.tv_usec;
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| 346 | else
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| 347 | {
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| 348 | tv.tv_sec--;
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| 349 | tv.tv_usec = tv.tv_usec + 1000000 - tvStart.tv_usec;
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| 350 | }
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| 351 | usCur = tv.tv_sec * 1000000ULL
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| 352 | + tv.tv_usec;
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| 353 |
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| 354 | printf("%s: ", name(argv[0]));
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| 355 | if (cTimes != 1)
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| 356 | printf("#%02u ", j + 1);
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| 357 | printf("%um%u.%06us",
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| 358 | (unsigned)(tv.tv_sec / 60),
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| 359 | (unsigned)(tv.tv_sec % 60),
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| 360 | (unsigned)tv.tv_usec);
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| 361 | if (WIFEXITED(rc))
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| 362 | printf(" - normal exit: %d\n", WEXITSTATUS(rc));
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| 363 | else if (WIFSIGNALED(rc) && WCOREDUMP(rc))
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| 364 | printf(" - dumped core: %s (%d)\n", my_strsignal(WTERMSIG(rc)), WTERMSIG(rc));
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| 365 | else if (WIFSIGNALED(rc))
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| 366 | printf(" - killed by: %s (%d)\n", my_strsignal(WTERMSIG(rc)), WTERMSIG(rc));
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| 367 | else if (WIFSTOPPED(rc))
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| 368 | printf(" - stopped by: %s (%d)\n", my_strsignal(WSTOPSIG(rc)), WSTOPSIG(rc));
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| 369 | else
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| 370 | printf(" unknown exit status %#x (%d)\n", rc, rc);
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| 371 | #endif /* unix */
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| 372 |
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| 373 | /* calc min/max/avg */
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| 374 | usTotal += usCur;
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| 375 | if (usMax < usCur)
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| 376 | usMax = usCur;
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| 377 | if (usMin > usCur)
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| 378 | usMin = usCur;
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| 379 | }
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| 380 |
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| 381 | /*
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| 382 | * Summary if more than one run.
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| 383 | */
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| 384 | if (cTimes != 1)
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| 385 | {
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| 386 | usAvg = usTotal / cTimes;
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| 387 |
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| 388 | printf("%s: avg %um%u.%06us\n", name(argv[0]), (unsigned)(usAvg / 60000000), (unsigned)(usAvg % 60000000) / 1000000, (unsigned)(usAvg % 1000000));
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| 389 | printf("%s: min %um%u.%06us\n", name(argv[0]), (unsigned)(usMin / 60000000), (unsigned)(usMin % 60000000) / 1000000, (unsigned)(usMin % 1000000));
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| 390 | printf("%s: max %um%u.%06us\n", name(argv[0]), (unsigned)(usMax / 60000000), (unsigned)(usMax % 60000000) / 1000000, (unsigned)(usMax % 1000000));
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| 391 | }
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| 392 |
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| 393 | return rc;
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| 394 | }
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| 395 |
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