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|
/* $Id: kmk_time.c 2264 2009-01-23 00:31:38Z bird $ */
/** @file
* kmk_time - Time program execution.
*
* This is based on kmk/kmkbuiltin/redirect.c.
*/
/*
* Copyright (c) 2007-2009 knut st. osmundsen <bird-kBuild-spamix@anduin.net>
*
* This file is part of kBuild.
*
* kBuild is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* kBuild is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with kBuild. If not, see <http://www.gnu.org/licenses/>
*
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <time.h>
#if defined(_MSC_VER)
# include <io.h>
# include <direct.h>
# include <process.h>
# include <Windows.h>
#else
# include <unistd.h>
# include <sys/time.h>
# include <sys/wait.h>
# include <signal.h>
#endif
#ifdef __OS2__
# define INCL_BASE
# include <os2.h>
# ifndef LIBPATHSTRICT
# define LIBPATHSTRICT 3
# endif
#endif
#ifndef _MSC_VER
static const char *my_strsignal(int signo)
{
#define CASE_SIG_RET_STR(sig) if (signo == SIG##sig) return #sig
#ifdef SIGHUP
CASE_SIG_RET_STR(HUP);
#endif
#ifdef SIGINT
CASE_SIG_RET_STR(INT);
#endif
#ifdef SIGQUIT
CASE_SIG_RET_STR(QUIT);
#endif
#ifdef SIGILL
CASE_SIG_RET_STR(ILL);
#endif
#ifdef SIGTRAP
CASE_SIG_RET_STR(TRAP);
#endif
#ifdef SIGABRT
CASE_SIG_RET_STR(ABRT);
#endif
#ifdef SIGIOT
CASE_SIG_RET_STR(IOT);
#endif
#ifdef SIGBUS
CASE_SIG_RET_STR(BUS);
#endif
#ifdef SIGFPE
CASE_SIG_RET_STR(FPE);
#endif
#ifdef SIGKILL
CASE_SIG_RET_STR(KILL);
#endif
#ifdef SIGUSR1
CASE_SIG_RET_STR(USR1);
#endif
#ifdef SIGSEGV
CASE_SIG_RET_STR(SEGV);
#endif
#ifdef SIGUSR2
CASE_SIG_RET_STR(USR2);
#endif
#ifdef SIGPIPE
CASE_SIG_RET_STR(PIPE);
#endif
#ifdef SIGALRM
CASE_SIG_RET_STR(ALRM);
#endif
#ifdef SIGTERM
CASE_SIG_RET_STR(TERM);
#endif
#ifdef SIGSTKFLT
CASE_SIG_RET_STR(STKFLT);
#endif
#ifdef SIGCHLD
CASE_SIG_RET_STR(CHLD);
#endif
#ifdef SIGCONT
CASE_SIG_RET_STR(CONT);
#endif
#ifdef SIGSTOP
CASE_SIG_RET_STR(STOP);
#endif
#ifdef SIGTSTP
CASE_SIG_RET_STR(TSTP);
#endif
#ifdef SIGTTIN
CASE_SIG_RET_STR(TTIN);
#endif
#ifdef SIGTTOU
CASE_SIG_RET_STR(TTOU);
#endif
#ifdef SIGURG
CASE_SIG_RET_STR(URG);
#endif
#ifdef SIGXCPU
CASE_SIG_RET_STR(XCPU);
#endif
#ifdef SIGXFSZ
CASE_SIG_RET_STR(XFSZ);
#endif
#ifdef SIGVTALRM
CASE_SIG_RET_STR(VTALRM);
#endif
#ifdef SIGPROF
CASE_SIG_RET_STR(PROF);
#endif
#ifdef SIGWINCH
CASE_SIG_RET_STR(WINCH);
#endif
#ifdef SIGIO
CASE_SIG_RET_STR(IO);
#endif
#ifdef SIGPWR
CASE_SIG_RET_STR(PWR);
#endif
#ifdef SIGSYS
CASE_SIG_RET_STR(SYS);
#endif
#ifdef SIGBREAK
CASE_SIG_RET_STR(BREAK);
#endif
#undef CASE_SIG_RET_STR
return "???";
}
#endif /* unix */
static const char *name(const char *pszName)
{
const char *psz = strrchr(pszName, '/');
#if defined(_MSC_VER) || defined(__OS2__)
const char *psz2 = strrchr(pszName, '\\');
if (!psz2)
psz2 = strrchr(pszName, ':');
if (psz2 && (!psz || psz2 > psz))
psz = psz2;
#endif
return psz ? psz + 1 : pszName;
}
static int usage(FILE *pOut, const char *argv0)
{
fprintf(pOut,
"usage: %s <program> [args]\n"
" or: %s --help\n"
" or: %s --version\n"
,
argv0, argv0, argv0);
return 1;
}
int main(int argc, char **argv)
{
int i, j;
int cTimes = 1;
#if defined(_MSC_VER)
FILETIME ftStart, ft;
unsigned _int64 usMin, usMax, usAvg, usTotal, usCur;
unsigned _int64 iStart;
intptr_t rc;
#else
struct timeval tvStart, tv;
unsigned long long usMin, usMax, usAvg, usTotal, usCur;
pid_t pid;
int rc;
#endif
int rcExit = 0;
/*
* Parse arguments.
*/
if (argc <= 1)
return usage(stderr, name(argv[0]));
for (i = 1; i < argc; i++)
{
char *psz = &argv[i][0];
if (*psz++ != '-')
break;
if (*psz == '-')
{
/* '--' ? */
if (!psz[1])
{
i++;
break;
}
/* convert to short. */
if (!strcmp(psz, "-help"))
psz = "h";
else if (!strcmp(psz, "-version"))
psz = "V";
else if (!strcmp(psz, "-iterations"))
psz = "i";
}
switch (*psz)
{
case 'h':
usage(stdout, name(argv[0]));
return 0;
case 'V':
printf("kmk_time - kBuild version %d.%d.%d (r%u)\n"
"Copyright (C) 2007-2009 knut st. osmundsen\n",
KBUILD_VERSION_MAJOR, KBUILD_VERSION_MINOR, KBUILD_VERSION_PATCH,
KBUILD_SVN_REV);
return 0;
case 'i':
if (i + 1 >= argc)
{
fprintf(stderr, "%s: syntax error: missing iteration count\n", name(argv[0]));
return 1;
}
cTimes = atoi(argv[++i]);
if (cTimes <= 0)
{
fprintf(stderr, "%s: error: invalid interation count '%s'.\n", name(argv[0]), argv[i]);
return 1;
}
break;
default:
fprintf(stderr, "%s: error: syntax error '%s'\n", name(argv[0]), argv[i]);
return 1;
}
}
/*
* Make sure there's something to execute.
*/
if (i >= argc)
{
fprintf(stderr, "%s: syntax error: nothing to execute!\n", name(argv[0]));
return usage(stderr, name(argv[0]));
}
/*
* Execute the program the specified number of times.
*/
usMax = usMin = usTotal = 0;
usMin--; /* wraps to max value */
for (j = 0; j < cTimes; j++)
{
/*
* Execute the program (it's actually supposed to be a command I think, but wtf).
*/
#if defined(_MSC_VER)
/** @todo
* We'll have to find the '--' in the commandline and pass that
* on to CreateProcess or spawn. Otherwise, the argument qouting
* is gonna be messed up.
*/
GetSystemTimeAsFileTime(&ftStart);
rc = _spawnvp(_P_WAIT, argv[i], &argv[i]);
if (rc == -1)
{
fprintf(stderr, "%s: error: _spawnvp(_P_WAIT, \"%s\", ...) failed: %s\n", name(argv[0]), argv[i], strerror(errno));
return 8;
}
GetSystemTimeAsFileTime(&ft);
iStart = ftStart.dwLowDateTime | ((unsigned _int64)ftStart.dwHighDateTime << 32);
usCur = ft.dwLowDateTime | ((unsigned _int64)ft.dwHighDateTime << 32);
usCur -= iStart;
usCur /= 10; /* to usecs */
printf("%s: ", name(argv[0]));
if (cTimes != 1)
printf("#%02u ", j + 1);
printf("%um%u.%06us - exit code: %d\n",
(unsigned)(usCur / (60 * 1000000)),
(unsigned)(usCur % (60 * 1000000)) / 1000000,
(unsigned)(usCur % 1000000),
rc);
#else /* unix: */
gettimeofday(&tvStart, NULL);
pid = fork();
if (!pid)
{
/* child */
execvp(argv[i], &argv[i]);
fprintf(stderr, "%s: error: _execvp(\"%s\", ...) failed: %s\n", name(argv[0]), argv[i], strerror(errno));
return 8;
}
if (pid < 0)
{
fprintf(stderr, "%s: error: fork() failed: %s\n", name(argv[0]), strerror(errno));
return 9;
}
/* parent, wait for child. */
rc = 9;
while (waitpid(pid, &rc, 0) == -1 && errno == EINTR)
/* nothing */;
gettimeofday(&tv, NULL);
/* calc elapsed time */
tv.tv_sec -= tvStart.tv_sec;
if (tv.tv_usec > tvStart.tv_usec)
tv.tv_usec -= tvStart.tv_usec;
else
{
tv.tv_sec--;
tv.tv_usec = tv.tv_usec + 1000000 - tvStart.tv_usec;
}
usCur = tv.tv_sec * 1000000ULL
+ tv.tv_usec;
printf("%s: ", name(argv[0]));
if (cTimes != 1)
printf("#%02u ", j + 1);
printf("%um%u.%06us",
(unsigned)(tv.tv_sec / 60),
(unsigned)(tv.tv_sec % 60),
(unsigned)tv.tv_usec);
if (WIFEXITED(rc))
{
printf(" - normal exit: %d\n", WEXITSTATUS(rc));
rc = WEXITSTATUS(rc);
}
else if (WIFSIGNALED(rc) && WCOREDUMP(rc))
{
printf(" - dumped core: %s (%d)\n", my_strsignal(WTERMSIG(rc)), WTERMSIG(rc));
rc = 10;
}
else if (WIFSIGNALED(rc))
{
printf(" - killed by: %s (%d)\n", my_strsignal(WTERMSIG(rc)), WTERMSIG(rc));
rc = 11;
}
else if (WIFSTOPPED(rc))
{
printf(" - stopped by: %s (%d)\n", my_strsignal(WSTOPSIG(rc)), WSTOPSIG(rc));
rc = 12;
}
else
{
printf(" unknown exit status %#x (%d)\n", rc, rc);
rc = 13;
}
#endif /* unix */
if (rc && !rcExit)
rcExit = (int)rc;
/* calc min/max/avg */
usTotal += usCur;
if (usMax < usCur)
usMax = usCur;
if (usMin > usCur)
usMin = usCur;
}
/*
* Summary if more than one run.
*/
if (cTimes != 1)
{
usAvg = usTotal / cTimes;
printf("%s: avg %um%u.%06us\n", name(argv[0]), (unsigned)(usAvg / 60000000), (unsigned)(usAvg % 60000000) / 1000000, (unsigned)(usAvg % 1000000));
printf("%s: min %um%u.%06us\n", name(argv[0]), (unsigned)(usMin / 60000000), (unsigned)(usMin % 60000000) / 1000000, (unsigned)(usMin % 1000000));
printf("%s: max %um%u.%06us\n", name(argv[0]), (unsigned)(usMax / 60000000), (unsigned)(usMax % 60000000) / 1000000, (unsigned)(usMax % 1000000));
}
return rcExit;
}
|
