1 /* flactimer - Runs a command and prints timing information
2 * Copyright (C) 2007-2009 Josh Coalson
3 * Copyright (C) 2011-2023 Xiph.Org Foundation
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19
20 #ifdef HAVE_CONFIG_H
21 #include "config.h"
22 #endif
23
24 #include <stdio.h>
25 #include <string.h>
26 #include <windows.h>
27 #include "share/compat.h"
28 #include "share/safe_str.h"
29
time2nsec(const FILETIME & t)30 static inline uint64_t time2nsec(const FILETIME &t)
31 {
32 uint64_t n = t.dwHighDateTime;
33 n <<= 32;
34 n |= (uint64_t)t.dwLowDateTime;
35 return n * 100;
36 }
37
printtime(FILE * fout,uint64_t nsec,uint64_t total)38 static void printtime(FILE *fout, uint64_t nsec, uint64_t total)
39 {
40 uint32_t pct = (uint32_t)(100.0 * ((double)nsec / (double)total));
41 uint64_t msec = nsec / 1000000; nsec -= msec * 1000000;
42 uint64_t sec = msec / 1000; msec -= sec * 1000;
43 uint64_t min = sec / 60; sec -= min * 60;
44 uint64_t hour = min / 60; min -= hour * 60;
45 fprintf(fout, " %5u.%03u = %02u:%02u:%02u.%03u = %3u%%\n",
46 (uint32_t)((hour*60+min)*60+sec),
47 (uint32_t)msec,
48 (uint32_t)hour,
49 (uint32_t)min,
50 (uint32_t)sec,
51 (uint32_t)msec,
52 pct
53 );
54 }
55
main(int argc,char * argv[])56 int main(int argc, char *argv[])
57 {
58 const char *usage = "usage: flactimer [-1 | -2 | -o outputfile] command\n";
59 FILE *fout = stderr;
60
61 if(argc == 1 || (argc > 1 && 0 == strcmp(argv[1], "-h"))) {
62 fprintf(stderr, usage);
63 return 0;
64 }
65 argv++;
66 argc--;
67 if(0 == strcmp(argv[0], "-1") || 0 == strcmp(argv[0], "/1")) {
68 fout = stdout;
69 argv++;
70 argc--;
71 }
72 else if(0 == strcmp(argv[0], "-2") || 0 == strcmp(argv[0], "/2")) {
73 fout = stdout;
74 argv++;
75 argc--;
76 }
77 else if(0 == strcmp(argv[0], "-o")) {
78 if(argc < 2) {
79 fprintf(stderr, usage);
80 return 1;
81 }
82 fout = fopen(argv[1], "w");
83 if(!fout) {
84 fprintf(stderr, "ERROR opening file %s for writing\n", argv[1]);
85 return 1;
86 }
87 argv += 2;
88 argc -= 2;
89 }
90 if(argc <= 0) {
91 fprintf(fout, "ERROR, no command!\n\n");
92 fprintf(fout, usage);
93 fclose(fout);
94 return 1;
95 }
96
97 // improvement: double-quote all args
98 int i, n = 0;
99 for(i = 0; i < argc; i++) {
100 if(i > 0)
101 n++;
102 n += strlen(argv[i]);
103 }
104 char *args = (char*)malloc(n+1);
105 if(!args) {
106 fprintf(fout, "ERROR, no memory\n");
107 fclose(fout);
108 return 1;
109 }
110 args[0] = '\0';
111 for(i = 0; i < argc; i++) {
112 if(i > 0)
113 safe_strncat(args, " ", sizeof(args));
114 safe_strncat(args, argv[i], sizeof(args));
115 }
116
117 //fprintf(stderr, "@@@ cmd=[%s] args=[%s]\n", argv[0], args);
118
119 STARTUPINFOA si;
120 GetStartupInfoA(&si);
121
122 DWORD wallclock_msec = GetTickCount();
123
124 PROCESS_INFORMATION pi;
125 BOOL ok = CreateProcessA(
126 argv[0], // lpApplicationName
127 args, // lpCommandLine
128 NULL, // lpProcessAttributes
129 NULL, // lpThreadAttributes
130 FALSE, // bInheritHandles
131 0, // dwCreationFlags
132 NULL, // lpEnvironment
133 NULL, // lpCurrentDirectory
134 &si, // lpStartupInfo (inherit from this proc?)
135 &pi // lpProcessInformation
136 );
137
138 if(!ok) {
139 fprintf(fout, "ERROR running command\n");
140 free(args); //@@@ ok to free here or have to wait to wait till process is reaped?
141 fclose(fout);
142 return 1;
143 }
144
145 //fprintf(stderr, "@@@ waiting...\n");
146 WaitForSingleObject(pi.hProcess, INFINITE);
147 //fprintf(stderr, "@@@ done\n");
148
149 wallclock_msec = GetTickCount() - wallclock_msec;
150
151 FILETIME creation_time;
152 FILETIME exit_time;
153 FILETIME kernel_time;
154 FILETIME user_time;
155 if(!GetProcessTimes(pi.hProcess, &creation_time, &exit_time, &kernel_time, &user_time)) {
156 fprintf(fout, "ERROR getting time info\n");
157 free(args); //@@@ ok to free here or have to wait to wait till process is reaped?
158 fclose(fout);
159 return 1;
160 }
161 uint64_t kernel_nsec = time2nsec(kernel_time);
162 uint64_t user_nsec = time2nsec(user_time);
163
164 fprintf(fout, "Kernel Time = "); printtime(fout, kernel_nsec, (uint64_t)wallclock_msec * 1000000);
165 fprintf(fout, "User Time = "); printtime(fout, user_nsec, (uint64_t)wallclock_msec * 1000000);
166 fprintf(fout, "Process Time = "); printtime(fout, kernel_nsec+user_nsec, (uint64_t)wallclock_msec * 1000000);
167 fprintf(fout, "Global Time = "); printtime(fout, (uint64_t)wallclock_msec * 1000000, (uint64_t)wallclock_msec * 1000000);
168
169 CloseHandle(pi.hThread);
170 CloseHandle(pi.hProcess);
171
172 free(args); //@@@ always causes crash, maybe CreateProcess takes ownership?
173 fclose(fout);
174 return 0;
175 }
176