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125 lines
2.7 KiB
125 lines
2.7 KiB
/*
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*
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* $Id$
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*
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* This file is part of the TDE project, module kstartperf.
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* Copyright (C) 2000 Geert Jansen <jansen@kde.org>
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*
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* You can freely redistribute this program under the "Artistic License".
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* See the file "LICENSE.readme" for the exact terms.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.h>
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#include <sys/time.h>
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#include <tqstring.h>
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#include <tqtextstream.h>
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#include <tqfile.h>
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#include <tdeapplication.h>
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#include <tdeaboutdata.h>
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#include <tdecmdlineargs.h>
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#include <tdelocale.h>
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#include <kstandarddirs.h>
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static TDECmdLineOptions options[] =
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{
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{ "+command", I18N_NOOP("Specifies the command to run"), 0 },
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TDECmdLineLastOption
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};
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TQString libkstartperf()
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{
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TQString lib = TQString();
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TQString la_file = locate("lib", "libkstartperf.la");
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if (la_file.isEmpty())
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return lib;
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// Find the name of the .so file by reading the .la file
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TQFile la(la_file);
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if (la.open(IO_ReadOnly))
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{
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TQTextStream is(&la);
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TQString line;
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while (!is.atEnd())
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{
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line = is.readLine();
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if (line.left(15) == "library_names='")
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{
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lib = line.mid(15);
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int pos = lib.find(" ");
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if (pos > 0)
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lib = lib.left(pos);
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}
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}
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la.close();
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}
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// Look up the actual .so file.
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lib = locate("lib", lib);
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return lib;
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}
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int main(int argc, char **argv)
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{
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TDEAboutData aboutData("kstartperf", I18N_NOOP("KStartPerf"),
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"1.0", I18N_NOOP("Measures start up time of a TDE application"),
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TDEAboutData::License_Artistic,
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"Copyright (c) 2000 Geert Jansen and libkmapnotify authors");
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aboutData.addAuthor("Geert Jansen", I18N_NOOP("Maintainer"),
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"jansen@kde.org", "http://www.stack.nl/~geertj/");
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TDECmdLineArgs::init(argc, argv, &aboutData);
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TDECmdLineArgs::addCmdLineOptions(options);
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TDECmdLineArgs *args = TDECmdLineArgs::parsedArgs();
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TDEApplication *app = new TDEApplication(false, false);
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// Check arguments
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if (args->count() == 0)
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{
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fprintf(stderr, "No command specified!\n");
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fprintf(stderr, "usage: kstartperf command [arguments]\n");
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exit(1);
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}
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// Build command
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char cmd[1024];
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sprintf(cmd, "LD_PRELOAD=%s %s", libkstartperf().latin1(), args->arg(0));
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for (int i=1; i<args->count(); i++)
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{
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strcat(cmd, " ");
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strcat(cmd, args->arg(i));
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}
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// Put the current time in the environment variable `KSTARTPERF'
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struct timeval tv;
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if (gettimeofday(&tv, 0L) != 0)
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{
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perror("gettimeofday()");
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exit(1);
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}
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char env[100];
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sprintf(env, "KSTARTPERF=%ld:%ld", tv.tv_sec, tv.tv_usec);
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putenv(env);
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// And exec() the command
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execl("/bin/sh", "sh", "-c", cmd, (void *)0);
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perror("execl()");
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exit(1);
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}
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