1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
/* vi: ts=8 sts=4 sw=4
*
* $Id$
*
* This file is part of the KDE project, module kstartperf.
* Copyright (C) 2000 Geert Jansen <[email protected]>
*
* You can freely redistribute this program under the "Artistic License".
* See the file "LICENSE.readme" for the exact terms.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <sys/time.h>
#include <tqstring.h>
#include <tqtextstream.h>
#include <tqfile.h>
#include <kapplication.h>
#include <kaboutdata.h>
#include <kcmdlineargs.h>
#include <klocale.h>
#include <kstandarddirs.h>
static KCmdLineOptions options[] =
{
{ "+command", I18N_NOOP("Specifies the command to run"), 0 },
KCmdLineLastOption
};
TQString libkstartperf()
{
TQString lib = TQString();
TQString la_file = locate("lib", "libkstartperf.la");
if (la_file.isEmpty())
return lib;
// Find the name of the .so file by reading the .la file
TQFile la(la_file);
if (la.open(IO_ReadOnly))
{
TQTextStream is(&la);
TQString line;
while (!is.atEnd())
{
line = is.readLine();
if (line.left(15) == "library_names='")
{
lib = line.mid(15);
int pos = lib.find(" ");
if (pos > 0)
lib = lib.left(pos);
}
}
la.close();
}
// Look up the actual .so file.
lib = locate("lib", lib);
return lib;
}
int main(int argc, char **argv)
{
KAboutData aboutData("kstartperf", I18N_NOOP("KStartPerf"),
"1.0", I18N_NOOP("Measures start up time of a KDE application"),
KAboutData::License_Artistic,
"Copyright (c) 2000 Geert Jansen and libkmapnotify authors");
aboutData.addAuthor("Geert Jansen", I18N_NOOP("Maintainer"),
"[email protected]", "http://www.stack.nl/~geertj/");
KCmdLineArgs::init(argc, argv, &aboutData);
KCmdLineArgs::addCmdLineOptions(options);
KCmdLineArgs *args = KCmdLineArgs::parsedArgs();
KApplication *app = new KApplication(false, false);
// Check arguments
if (args->count() == 0)
{
fprintf(stderr, "No command specified!\n");
fprintf(stderr, "usage: kstartperf command [arguments]\n");
exit(1);
}
// Build command
char cmd[1024];
sprintf(cmd, "LD_PRELOAD=%s %s", libkstartperf().latin1(), args->arg(0));
for (int i=1; i<args->count(); i++)
{
strcat(cmd, " ");
strcat(cmd, args->arg(i));
}
// Put the current time in the environment variable `KSTARTPERF'
struct timeval tv;
if (gettimeofday(&tv, 0L) != 0)
{
perror("gettimeofday()");
exit(1);
}
char env[100];
sprintf(env, "KSTARTPERF=%ld:%ld", tv.tv_sec, tv.tv_usec);
putenv(env);
// And exec() the command
execl("/bin/sh", "sh", "-c", cmd, (void *)0);
perror("execl()");
exit(1);
}
|
