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
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
/* vi: ts=8 sts=4 sw=4
*
* $Id: libkstartperf.c 758880 2008-01-09 13:05:37Z mueller $
*
* libkstartperf.c: LD_PRELOAD library for startup time measurements.
*
* Copyright (C) 2000 Geert Jansen <jansen@kde.org>
*
* Permission to use, copy, modify, and distribute this software
* and its documentation for any purpose and without fee is hereby
* granted, provided that the above copyright notice appear in all
* copies and that both that the copyright notice and this
* permission notice and warranty disclaimer appear in supporting
* documentation, and that the name of the author not be used in
* advertising or publicity pertaining to distribution of the
* software without specific, written prior permission.
*
* The author disclaim all warranties with regard to this
* software, including all implied warranties of merchantability
* and fitness. In no event shall the author be liable for any
* special, indirect or consequential damages or any damages
* whatsoever resulting from loss of use, data or profits, whether
* in an action of contract, negligence or other tortious action,
* arising out of or in connection with the use or performance of
* this software.
*
* Based heavily on kmapnotify.c:
*
* (C) 2000 Rik Hemsley <rik@kde.org>
* (C) 2000 Simon Hausmann <hausmann@kde.org>
* (C) 2000 Bill Soudan <soudan@kde.org>
*/
#include <sys/time.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <X11/X.h>
#include <X11/Xlib.h>
#include <dlfcn.h>
/* Prototypes */
int XMapWindow(Display *, Window);
int XMapRaised(Display *, Window);
void KDE_InterceptXMapRequest(Display *, Window);
void KDE_ShowPerformance();
/* Globals */
typedef Window (*KDE_XMapRequestSignature)(Display *, Window);
KDE_XMapRequestSignature KDE_RealXMapWindow = 0L;
KDE_XMapRequestSignature KDE_RealXMapRaised = 0L;
/* Functions */
int XMapWindow(Display * d, Window w)
{
if (KDE_RealXMapWindow == 0L)
{
KDE_InterceptXMapRequest(d, w);
KDE_ShowPerformance();
}
return KDE_RealXMapWindow(d, w);
}
int XMapRaised(Display * d, Window w)
{
if (KDE_RealXMapRaised == 0L)
{
KDE_InterceptXMapRequest(d, w);
KDE_ShowPerformance();
}
return KDE_RealXMapRaised(d, w);
}
void KDE_InterceptXMapRequest(Display * d, Window w)
{
void* handle;
handle = dlopen("libX11.so", RTLD_LAZY);
if (handle == 0L)
handle = dlopen("libX11.so.6", RTLD_LAZY);
if (handle == 0L)
{
fprintf(stderr, "kstartperf: Could not dlopen libX11\n");
exit(1);
}
KDE_RealXMapWindow = (KDE_XMapRequestSignature)dlsym(handle, "XMapWindow");
if (KDE_RealXMapWindow == 0L)
{
fprintf(stderr, "kstartperf: Could not find symbol XMapWindow in libX11\n");
exit(1);
}
KDE_RealXMapRaised = (KDE_XMapRequestSignature)dlsym(handle, "XMapRaised");
if (KDE_RealXMapRaised == 0L)
{
fprintf(stderr, "kstartperf: Could not find symbol XMapRaised in libX11\n");
exit(1);
}
}
void KDE_ShowPerformance()
{
char *env;
long l1, l2;
float dt;
struct timeval tv;
env = getenv("KSTARTPERF");
if (env == 0L)
{
fprintf(stderr, "kstartperf: $KSTARTPERF not set!\n");
exit(1);
}
if (sscanf(env, "%ld:%ld", &l1, &l2) != 2)
{
fprintf(stderr, "kstartperf: $KSTARTPERF illegal format\n");
exit(1);
}
if (gettimeofday(&tv, 0L) != 0)
{
fprintf(stderr, "kstartperf: gettimeofday() failed.\n");
exit(1);
}
dt = 1e3*(tv.tv_sec - l1) + 1e-3*(tv.tv_usec - l2);
fprintf(stderr, "\nkstartperf: measured startup time at %7.2f ms\n\n", dt);
}
|
