| 1 | /* $Id: kmk_time.c 3336 2020-04-22 12:08:35Z 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) 2007-2010 knut st. osmundsen <[email protected]>
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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 | # include "quote_argv.h"
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| 43 | #else
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| 44 | # include <unistd.h>
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| 45 | # include <sys/time.h>
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| 46 | # include <sys/wait.h>
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| 47 | # include <signal.h>
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| 48 | #endif
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| 49 |
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| 50 | #ifdef __OS2__
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| 51 | # define INCL_BASE
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| 52 | # include <os2.h>
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| 53 | # ifndef LIBPATHSTRICT
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| 54 | # define LIBPATHSTRICT 3
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| 55 | # endif
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| 56 | #endif
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| 57 |
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| 58 | #ifndef _MSC_VER
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| 59 | static const char *my_strsignal(int signo)
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| 60 | {
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| 61 | #define CASE_SIG_RET_STR(sig) if (signo == SIG##sig) return #sig
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| 62 | #ifdef SIGHUP
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| 63 | CASE_SIG_RET_STR(HUP);
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| 64 | #endif
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| 65 | #ifdef SIGINT
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| 66 | CASE_SIG_RET_STR(INT);
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| 67 | #endif
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| 68 | #ifdef SIGQUIT
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| 69 | CASE_SIG_RET_STR(QUIT);
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| 70 | #endif
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| 71 | #ifdef SIGILL
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| 72 | CASE_SIG_RET_STR(ILL);
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| 73 | #endif
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| 74 | #ifdef SIGTRAP
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| 75 | CASE_SIG_RET_STR(TRAP);
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| 76 | #endif
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| 77 | #ifdef SIGABRT
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| 78 | CASE_SIG_RET_STR(ABRT);
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| 79 | #endif
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| 80 | #ifdef SIGIOT
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| 81 | CASE_SIG_RET_STR(IOT);
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| 82 | #endif
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| 83 | #ifdef SIGBUS
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| 84 | CASE_SIG_RET_STR(BUS);
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| 85 | #endif
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| 86 | #ifdef SIGFPE
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| 87 | CASE_SIG_RET_STR(FPE);
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| 88 | #endif
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| 89 | #ifdef SIGKILL
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| 90 | CASE_SIG_RET_STR(KILL);
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| 91 | #endif
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| 92 | #ifdef SIGUSR1
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| 93 | CASE_SIG_RET_STR(USR1);
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| 94 | #endif
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| 95 | #ifdef SIGSEGV
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| 96 | CASE_SIG_RET_STR(SEGV);
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| 97 | #endif
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| 98 | #ifdef SIGUSR2
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| 99 | CASE_SIG_RET_STR(USR2);
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| 100 | #endif
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| 101 | #ifdef SIGPIPE
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| 102 | CASE_SIG_RET_STR(PIPE);
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| 103 | #endif
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| 104 | #ifdef SIGALRM
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| 105 | CASE_SIG_RET_STR(ALRM);
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| 106 | #endif
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| 107 | #ifdef SIGTERM
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| 108 | CASE_SIG_RET_STR(TERM);
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| 109 | #endif
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| 110 | #ifdef SIGSTKFLT
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| 111 | CASE_SIG_RET_STR(STKFLT);
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| 112 | #endif
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| 113 | #ifdef SIGCHLD
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| 114 | CASE_SIG_RET_STR(CHLD);
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| 115 | #endif
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| 116 | #ifdef SIGCONT
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| 117 | CASE_SIG_RET_STR(CONT);
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| 118 | #endif
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| 119 | #ifdef SIGSTOP
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| 120 | CASE_SIG_RET_STR(STOP);
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| 121 | #endif
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| 122 | #ifdef SIGTSTP
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| 123 | CASE_SIG_RET_STR(TSTP);
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| 124 | #endif
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| 125 | #ifdef SIGTTIN
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| 126 | CASE_SIG_RET_STR(TTIN);
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| 127 | #endif
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| 128 | #ifdef SIGTTOU
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| 129 | CASE_SIG_RET_STR(TTOU);
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| 130 | #endif
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| 131 | #ifdef SIGURG
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| 132 | CASE_SIG_RET_STR(URG);
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| 133 | #endif
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| 134 | #ifdef SIGXCPU
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| 135 | CASE_SIG_RET_STR(XCPU);
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| 136 | #endif
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| 137 | #ifdef SIGXFSZ
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| 138 | CASE_SIG_RET_STR(XFSZ);
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| 139 | #endif
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| 140 | #ifdef SIGVTALRM
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| 141 | CASE_SIG_RET_STR(VTALRM);
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| 142 | #endif
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| 143 | #ifdef SIGPROF
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| 144 | CASE_SIG_RET_STR(PROF);
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| 145 | #endif
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| 146 | #ifdef SIGWINCH
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| 147 | CASE_SIG_RET_STR(WINCH);
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| 148 | #endif
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| 149 | #ifdef SIGIO
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| 150 | CASE_SIG_RET_STR(IO);
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| 151 | #endif
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| 152 | #ifdef SIGPWR
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| 153 | CASE_SIG_RET_STR(PWR);
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| 154 | #endif
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| 155 | #ifdef SIGSYS
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| 156 | CASE_SIG_RET_STR(SYS);
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| 157 | #endif
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| 158 | #ifdef SIGBREAK
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| 159 | CASE_SIG_RET_STR(BREAK);
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| 160 | #endif
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| 161 | #undef CASE_SIG_RET_STR
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| 162 | return "???";
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| 163 | }
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| 164 | #endif /* unix */
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| 165 |
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| 166 | static const char *name(const char *pszName)
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| 167 | {
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| 168 | const char *psz = strrchr(pszName, '/');
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| 169 | #if defined(_MSC_VER) || defined(__OS2__)
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| 170 | const char *psz2 = strrchr(pszName, '\\');
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| 171 | if (!psz2)
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| 172 | psz2 = strrchr(pszName, ':');
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| 173 | if (psz2 && (!psz || psz2 > psz))
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| 174 | psz = psz2;
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| 175 | #endif
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| 176 | return psz ? psz + 1 : pszName;
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| 177 | }
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| 178 |
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| 179 |
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| 180 | static int usage(FILE *pOut, const char *argv0)
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| 181 | {
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| 182 | fprintf(pOut,
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| 183 | "usage: %s [options] [--] <program> [args]\n"
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| 184 | " or: %s --help\n"
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| 185 | " or: %s --version\n"
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| 186 | "\n"
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| 187 | "Options:\n"
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| 188 | " -i <count>, --iteration <count>\n"
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| 189 | " Run the program <count> times and display minium, maximum and average\n"
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| 190 | " run times at the end.\n"
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| 191 | ,
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| 192 | argv0, argv0, argv0);
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| 193 | #ifdef _MSC_VER
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| 194 | fprintf(pOut,
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| 195 | " --unquoted\n"
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| 196 | " Windows only: No argument quoting, use them as-is.\n");
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| 197 | #endif
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| 198 | return 1;
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| 199 | }
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| 200 |
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| 201 |
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| 202 | int main(int argc, char **argv)
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| 203 | {
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| 204 | int i, j;
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| 205 | int cTimes = 1;
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| 206 | #if defined(_MSC_VER)
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| 207 | int fUnquoted = 0;
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| 208 | FILETIME ftStart, ft;
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| 209 | unsigned _int64 usMin, usMax, usAvg, usTotal, usCur;
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| 210 | unsigned _int64 iStart;
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| 211 | intptr_t rc;
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| 212 | #else
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| 213 | struct timeval tvStart, tv;
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| 214 | unsigned long long usMin, usMax, usAvg, usTotal, usCur;
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| 215 | pid_t pid;
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| 216 | int rc;
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| 217 | #endif
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| 218 | int rcExit = 0;
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| 219 |
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| 220 | /*
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| 221 | * Parse arguments.
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| 222 | */
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| 223 | if (argc <= 1)
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| 224 | return usage(stderr, name(argv[0]));
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| 225 | for (i = 1; i < argc; i++)
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| 226 | {
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| 227 | char *psz = &argv[i][0];
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| 228 | if (*psz++ != '-')
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| 229 | break;
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| 230 |
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| 231 | if (*psz == '-')
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| 232 | {
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| 233 | /* '--' ? */
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| 234 | if (!psz[1])
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| 235 | {
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| 236 | i++;
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| 237 | break;
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| 238 | }
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| 239 |
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| 240 | /* convert to short. */
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| 241 | if (!strcmp(psz, "-help"))
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| 242 | psz = "h";
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| 243 | else if (!strcmp(psz, "-version"))
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| 244 | psz = "V";
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| 245 | else if (!strcmp(psz, "-iterations"))
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| 246 | psz = "i";
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| 247 | #if defined(_MSC_VER)
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| 248 | else if (!strcmp(psz, "-unquoted"))
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| 249 | {
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| 250 | fUnquoted = 1;
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| 251 | continue;
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| 252 | }
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| 253 | #endif
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| 254 | }
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| 255 |
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| 256 | switch (*psz)
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| 257 | {
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| 258 | case 'h':
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| 259 | usage(stdout, name(argv[0]));
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| 260 | return 0;
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| 261 |
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| 262 | case 'V':
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| 263 | printf("kmk_time - kBuild version %d.%d.%d (r%u)\n"
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| 264 | "Copyright (C) 2007-2018 knut st. osmundsen\n",
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| 265 | KBUILD_VERSION_MAJOR, KBUILD_VERSION_MINOR, KBUILD_VERSION_PATCH,
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| 266 | KBUILD_SVN_REV);
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| 267 | return 0;
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| 268 |
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| 269 | case 'i':
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| 270 | if (i + 1 >= argc)
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| 271 | {
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| 272 | fprintf(stderr, "%s: syntax error: missing iteration count\n", name(argv[0]));
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| 273 | return 1;
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| 274 | }
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| 275 | cTimes = atoi(argv[++i]);
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| 276 | if (cTimes <= 0)
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| 277 | {
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| 278 | fprintf(stderr, "%s: error: invalid interation count '%s'.\n", name(argv[0]), argv[i]);
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| 279 | return 1;
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| 280 | }
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| 281 | break;
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| 282 |
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| 283 | default:
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| 284 | fprintf(stderr, "%s: error: syntax error '%s'\n", name(argv[0]), argv[i]);
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| 285 | return 1;
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| 286 | }
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| 287 | }
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| 288 |
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| 289 | /*
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| 290 | * Make sure there's something to execute.
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| 291 | */
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| 292 | if (i >= argc)
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| 293 | {
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| 294 | fprintf(stderr, "%s: syntax error: nothing to execute!\n", name(argv[0]));
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| 295 | return usage(stderr, name(argv[0]));
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| 296 | }
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| 297 |
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| 298 | /*
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| 299 | * Execute the program the specified number of times.
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| 300 | */
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| 301 | usMax = usMin = usTotal = 0;
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| 302 | usMin--; /* wraps to max value */
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| 303 | for (j = 0; j < cTimes; j++)
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| 304 | {
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| 305 | /*
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| 306 | * Execute the program (it's actually supposed to be a command I think, but wtf).
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| 307 | */
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| 308 | #if defined(_MSC_VER)
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| 309 | if (!fUnquoted)
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| 310 | {
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| 311 | if (quote_argv(argc - i, &argv[i], 0 /*fWatcomBrainDamage*/, 0 /*fFreeOrLeak*/) != 0)
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| 312 | {
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| 313 | fprintf(stderr, "%s: error: quote_argv failed\n");
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| 314 | return 8;
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| 315 | }
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| 316 | fUnquoted = 1; /* Don't quote them again in the next iteration. */
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| 317 | }
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| 318 |
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| 319 | GetSystemTimeAsFileTime(&ftStart);
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| 320 | rc = _spawnvp(_P_WAIT, argv[i], &argv[i]);
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| 321 | if (rc == -1)
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| 322 | {
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| 323 | fprintf(stderr, "%s: error: _spawnvp(_P_WAIT, \"%s\", ...) failed: %s\n", name(argv[0]), argv[i], strerror(errno));
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| 324 | return 8;
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| 325 | }
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| 326 |
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| 327 | GetSystemTimeAsFileTime(&ft);
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| 328 |
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| 329 | iStart = ftStart.dwLowDateTime | ((unsigned _int64)ftStart.dwHighDateTime << 32);
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| 330 | usCur = ft.dwLowDateTime | ((unsigned _int64)ft.dwHighDateTime << 32);
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| 331 | usCur -= iStart;
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| 332 | usCur /= 10; /* to usecs */
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| 333 |
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| 334 | printf("%s: ", name(argv[0]));
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| 335 | if (cTimes != 1)
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| 336 | printf("#%02u ", j + 1);
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| 337 | printf("%um%u.%06us - exit code: %d\n",
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| 338 | (unsigned)(usCur / (60 * 1000000)),
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| 339 | (unsigned)(usCur % (60 * 1000000)) / 1000000,
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| 340 | (unsigned)(usCur % 1000000),
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| 341 | rc);
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| 342 |
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| 343 | #else /* unix: */
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| 344 | gettimeofday(&tvStart, NULL);
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| 345 | pid = fork();
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| 346 | if (!pid)
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| 347 | {
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| 348 | /* child */
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| 349 | execvp(argv[i], &argv[i]);
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| 350 | fprintf(stderr, "%s: error: _execvp(\"%s\", ...) failed: %s\n", name(argv[0]), argv[i], strerror(errno));
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| 351 | return 8;
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| 352 | }
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| 353 | if (pid < 0)
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| 354 | {
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| 355 | fprintf(stderr, "%s: error: fork() failed: %s\n", name(argv[0]), strerror(errno));
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| 356 | return 9;
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| 357 | }
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| 358 |
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| 359 | /* parent, wait for child. */
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| 360 | rc = 9;
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| 361 | while (waitpid(pid, &rc, 0) == -1 && errno == EINTR)
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| 362 | /* nothing */;
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| 363 | gettimeofday(&tv, NULL);
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| 364 |
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| 365 | /* calc elapsed time */
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| 366 | tv.tv_sec -= tvStart.tv_sec;
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| 367 | if (tv.tv_usec > tvStart.tv_usec)
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| 368 | tv.tv_usec -= tvStart.tv_usec;
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| 369 | else
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| 370 | {
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| 371 | tv.tv_sec--;
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| 372 | tv.tv_usec = tv.tv_usec + 1000000 - tvStart.tv_usec;
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| 373 | }
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| 374 | usCur = tv.tv_sec * 1000000ULL
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| 375 | + tv.tv_usec;
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| 376 |
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| 377 | printf("%s: ", name(argv[0]));
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| 378 | if (cTimes != 1)
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| 379 | printf("#%02u ", j + 1);
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| 380 | printf("%um%u.%06us",
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| 381 | (unsigned)(tv.tv_sec / 60),
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| 382 | (unsigned)(tv.tv_sec % 60),
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| 383 | (unsigned)tv.tv_usec);
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| 384 | if (WIFEXITED(rc))
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| 385 | {
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| 386 | printf(" - normal exit: %d\n", WEXITSTATUS(rc));
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| 387 | rc = WEXITSTATUS(rc);
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| 388 | }
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| 389 | # ifndef __HAIKU__ /**@todo figure how haiku signals that a core was dumped. */
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| 390 | else if (WIFSIGNALED(rc) && WCOREDUMP(rc))
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| 391 | {
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| 392 | printf(" - dumped core: %s (%d)\n", my_strsignal(WTERMSIG(rc)), WTERMSIG(rc));
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| 393 | rc = 10;
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| 394 | }
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| 395 | # endif
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| 396 | else if (WIFSIGNALED(rc))
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| 397 | {
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| 398 | printf(" - killed by: %s (%d)\n", my_strsignal(WTERMSIG(rc)), WTERMSIG(rc));
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| 399 | rc = 11;
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| 400 | }
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| 401 | else if (WIFSTOPPED(rc))
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| 402 | {
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| 403 | printf(" - stopped by: %s (%d)\n", my_strsignal(WSTOPSIG(rc)), WSTOPSIG(rc));
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| 404 | rc = 12;
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| 405 | }
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| 406 | else
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| 407 | {
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| 408 | printf(" unknown exit status %#x (%d)\n", rc, rc);
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| 409 | rc = 13;
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| 410 | }
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| 411 | #endif /* unix */
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| 412 | if (rc && !rcExit)
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| 413 | rcExit = (int)rc;
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| 414 |
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| 415 | /* calc min/max/avg */
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| 416 | usTotal += usCur;
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| 417 | if (usMax < usCur)
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| 418 | usMax = usCur;
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| 419 | if (usMin > usCur)
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| 420 | usMin = usCur;
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| 421 | }
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| 422 |
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| 423 | /*
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| 424 | * Summary if more than one run.
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| 425 | */
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| 426 | if (cTimes != 1)
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| 427 | {
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| 428 | usAvg = usTotal / cTimes;
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| 429 |
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| 430 | printf("%s: avg %um%u.%06us\n", name(argv[0]), (unsigned)(usAvg / 60000000), (unsigned)(usAvg % 60000000) / 1000000, (unsigned)(usAvg % 1000000));
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| 431 | printf("%s: min %um%u.%06us\n", name(argv[0]), (unsigned)(usMin / 60000000), (unsigned)(usMin % 60000000) / 1000000, (unsigned)(usMin % 1000000));
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| 432 | printf("%s: max %um%u.%06us\n", name(argv[0]), (unsigned)(usMax / 60000000), (unsigned)(usMax % 60000000) / 1000000, (unsigned)(usMax % 1000000));
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| 433 | }
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| 434 |
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| 435 | return rcExit;
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| 436 | }
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| 437 |
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