|
428
|
1 /* profile.c --- generate periodic events for profiling of Emacs Lisp code.
|
|
|
2 Copyright (C) 1992, 1994 Free Software Foundation, Inc.
|
|
2367
|
3 Copyright (C) 2004 Ben Wing.
|
|
428
|
4
|
|
|
5 Author: Boaz Ben-Zvi <boaz@lcs.mit.edu>
|
|
|
6
|
|
613
|
7 This file is part of XEmacs.
|
|
428
|
8
|
|
613
|
9 XEmacs is free software; you can redistribute it and/or modify
|
|
428
|
10 it under the terms of the GNU General Public License as published by
|
|
|
11 the Free Software Foundation; either version 2, or (at your option)
|
|
|
12 any later version.
|
|
|
13
|
|
613
|
14 XEmacs is distributed in the hope that it will be useful,
|
|
428
|
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
17 GNU General Public License for more details.
|
|
|
18
|
|
|
19 You should have received a copy of the GNU General Public License
|
|
613
|
20 along with XEmacs; see the file COPYING. If not, write to
|
|
428
|
21 the Free the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
|
22 Boston, MA 02111-1307, USA. */
|
|
|
23
|
|
|
24 /* Synched up with: FSF 19.28. */
|
|
|
25 /* #### Not sure if this is needed for XEmacs. */
|
|
|
26
|
|
|
27 /**
|
|
|
28 ** To be run as an emacs process. Input string that starts with:
|
|
|
29 ** 'z' -- resets the watch (to zero).
|
|
|
30 ** 'p' -- return time (on stdout) as string with format <sec>.<micro-sec>
|
|
|
31 ** 'q' -- exit.
|
|
|
32 **
|
|
|
33 ** abstraction : a stopwatch
|
|
|
34 ** operations: reset_watch, get_time
|
|
|
35 */
|
|
438
|
36 #include <config.h>
|
|
428
|
37 #include <stdio.h>
|
|
|
38 #include <stdlib.h>
|
|
|
39 #include "../src/systime.h"
|
|
|
40
|
|
|
41 static struct timeval TV1, TV2;
|
|
|
42 static int watch_not_started = 1; /* flag */
|
|
|
43 static char time_string[30];
|
|
|
44
|
|
442
|
45 #ifdef WIN32_NATIVE
|
|
428
|
46 #include <sys/timeb.h>
|
|
|
47 /* Emulate gettimeofday (Ulrich Leodolter, 1/11/95). */
|
|
|
48 void
|
|
|
49 gettimeofday (struct timeval *tv, struct timezone *tz)
|
|
|
50 {
|
|
|
51 struct _timeb tb;
|
|
|
52 _ftime (&tb);
|
|
|
53
|
|
|
54 tv->tv_sec = tb.time;
|
|
|
55 tv->tv_usec = tb.millitm * 1000L;
|
|
|
56 if (tz)
|
|
|
57 {
|
|
|
58 tz->tz_minuteswest = tb.timezone; /* minutes west of Greenwich */
|
|
|
59 tz->tz_dsttime = tb.dstflag; /* type of dst correction */
|
|
|
60 }
|
|
|
61 }
|
|
|
62 #endif
|
|
|
63
|
|
|
64 /* Reset the stopwatch to zero. */
|
|
|
65
|
|
|
66 static void
|
|
|
67 reset_watch (void)
|
|
|
68 {
|
|
|
69 EMACS_GET_TIME (TV1);
|
|
|
70 watch_not_started = 0;
|
|
|
71 }
|
|
|
72
|
|
|
73 /* This call returns the time since the last reset_watch call. The time
|
|
|
74 is returned as a string with the format <seconds>.<micro-seconds>
|
|
|
75 If reset_watch was not called yet, exit. */
|
|
|
76
|
|
|
77 static char *
|
|
|
78 get_time (void)
|
|
|
79 {
|
|
|
80 if (watch_not_started)
|
|
|
81 exit (1); /* call reset_watch first ! */
|
|
|
82 EMACS_GET_TIME (TV2);
|
|
|
83 if (TV1.tv_usec > TV2.tv_usec)
|
|
|
84 {
|
|
|
85 TV2.tv_usec += 1000000;
|
|
|
86 TV2.tv_sec--;
|
|
|
87 }
|
|
|
88 sprintf (time_string, "%lu.%06lu",
|
|
|
89 (unsigned long) TV2.tv_sec - TV1.tv_sec,
|
|
|
90 (unsigned long) TV2.tv_usec - TV1.tv_usec);
|
|
|
91 return time_string;
|
|
|
92 }
|
|
|
93
|
|
|
94 int
|
|
2367
|
95 main (int argc, char **argv)
|
|
428
|
96 {
|
|
|
97 int c;
|
|
|
98 while ((c = getchar ()) != EOF)
|
|
|
99 {
|
|
|
100 switch (c)
|
|
|
101 {
|
|
|
102 case 'z':
|
|
|
103 reset_watch ();
|
|
|
104 break;
|
|
|
105 case 'p':
|
|
|
106 puts (get_time ());
|
|
|
107 break;
|
|
|
108 case 'q':
|
|
|
109 exit (0);
|
|
|
110 }
|
|
|
111 /* Anything remaining on the line is ignored. */
|
|
|
112 while (c != '\n' && c != EOF)
|
|
|
113 c = getchar ();
|
|
|
114 }
|
|
|
115 return 1;
|
|
|
116 }
|
