| 1 | /* $Id: PrfTstProcess.c,v 1.3 2001-08-08 21:54:45 bird Exp $
|
|---|
| 2 | *
|
|---|
| 3 | * Test program which checks how long it takes to execute another
|
|---|
| 4 | * instance of itself and run
|
|---|
| 5 | *
|
|---|
| 6 | * Copyright (c) 2001 knut st. osmundsen (knut.stange.osmundsen@mynd.no)
|
|---|
| 7 | *
|
|---|
| 8 | * Project Odin Software License can be found in LICENSE.TXT
|
|---|
| 9 | *
|
|---|
| 10 | */
|
|---|
| 11 |
|
|---|
| 12 | /** @design Process Startup and Termination cost.
|
|---|
| 13 | *
|
|---|
| 14 | * The purpose is to compare the cost of creating a child process on different
|
|---|
| 15 | * platforms; revealing which is the best ones...
|
|---|
| 16 | *
|
|---|
| 17 | * Later analysis on why will be done I hope...
|
|---|
| 18 | *
|
|---|
| 19 | *
|
|---|
| 20 | * @subsection Test Results
|
|---|
| 21 | *
|
|---|
| 22 | * Linux version 2.4.5 (SMP) Pentium III 700Mhz- GCC:
|
|---|
| 23 | * 0.001845 - 0.001845 sec (pid=193c)
|
|---|
| 24 | * 0.001832 - 0.001832 sec (pid=193e)
|
|---|
| 25 | * 0.001792 - 0.001792 sec (pid=1940)
|
|---|
| 26 | * 0.001899 - 0.001899 sec (pid=1942)
|
|---|
| 27 | *
|
|---|
| 28 | * OS/2 WS4eB 4.5 FP 2 (SMP) Pentium III 600Mhz - Watcom -Otx:
|
|---|
| 29 | * 5150.000000 - 0.004316 sec (pid=0)
|
|---|
| 30 | * 5175.000000 - 0.004337 sec (pid=0)
|
|---|
| 31 | * 5143.000000 - 0.004310 sec (pid=0)
|
|---|
| 32 | * 5181.000000 - 0.004342 sec (pid=0)
|
|---|
| 33 | *
|
|---|
| 34 | * OS/2 WS4eB 4.5 FP 2 (SMP) Pentium III 600Mhz - Watcom (no optimization):
|
|---|
| 35 | * 5510.000000 - 0.004618 sec (pid=0)
|
|---|
| 36 | * 5500.000000 - 0.004610 sec (pid=0)
|
|---|
| 37 | * 5489.000000 - 0.004600 sec (pid=0)
|
|---|
| 38 | * 5551.000000 - 0.004652 sec (pid=0)
|
|---|
| 39 | *
|
|---|
| 40 | * OS/2 WS4eB 4.5 FP 2 (SMP) Pentium III 600Mhz - VAC308:
|
|---|
| 41 | * 6490.000000 - 0.005439 sec (pid=0)
|
|---|
| 42 | * 6465.000000 - 0.005418 sec (pid=0)
|
|---|
| 43 | * 6501.000000 - 0.005449 sec (pid=0)
|
|---|
| 44 | * 6496.000000 - 0.005444 sec (pid=0)
|
|---|
| 45 | *
|
|---|
| 46 | * Citrix Server (NT4) (SMP) Pentium III 800Mhz - Watcom -Otx:
|
|---|
| 47 | * 4380885.000000 - 0.005493 sec (pid=0) (Hz: 797510000)
|
|---|
| 48 | * 4411477.000000 - 0.005532 sec (pid=0)
|
|---|
| 49 | * 4339893.000000 - 0.005442 sec (pid=0)
|
|---|
| 50 | * 4349910.000000 - 0.005454 sec (pid=0)
|
|---|
| 51 | *
|
|---|
| 52 | * Citrix Server (NT4) (SMP) Pentium III 800Mhz - Watcom (no optimization):
|
|---|
| 53 | * 4351488.000000 - 0.005456 sec (pid=0) (Hz: 797510000)
|
|---|
| 54 | * 4411035.000000 - 0.005531 sec (pid=0)
|
|---|
| 55 | * 4362396.000000 - 0.005470 sec (pid=0)
|
|---|
| 56 | * 4374720.000000 - 0.005485 sec (pid=0)
|
|---|
| 57 | *
|
|---|
| 58 | * OS/2 WS4eB 4.5 FP 2 (SMP) Pentium III 600Mhz - VAC365:
|
|---|
| 59 | * 6743.000000 - 0.005651 sec (pid=0)
|
|---|
| 60 | * 6694.000000 - 0.005610 sec (pid=0)
|
|---|
| 61 | * 6705.000000 - 0.005619 sec (pid=0)
|
|---|
| 62 | * 7025.000000 - 0.005888 sec (pid=0)
|
|---|
| 63 | *
|
|---|
| 64 | * OS/2 WS4eB 4.5 FP 2 (SMP) Pentium III 600Mhz - EMX -D__OS2__:
|
|---|
| 65 | * 15339.000000 - 0.012856 sec (pid=0)
|
|---|
| 66 | * 15507.000000 - 0.012997 sec (pid=0)
|
|---|
| 67 | * 15224.000000 - 0.012759 sec (pid=0)
|
|---|
| 68 | * 15714.000000 - 0.013170 sec (pid=0)
|
|---|
| 69 | *
|
|---|
| 70 | * OS/2 WS4eB 4.5 FP 2 (SMP) Pentium III 600Mhz - EMX -D__OS2__ -D__NOTPC__:
|
|---|
| 71 | * 31992.000000 - 0.026813 sec (pid=1c7f)
|
|---|
| 72 | * 32300.000000 - 0.027071 sec (pid=1c82)
|
|---|
| 73 | * 31699.000000 - 0.026567 sec (pid=1c85)
|
|---|
| 74 | * 33570.000000 - 0.028135 sec (pid=1c88)
|
|---|
| 75 | *
|
|---|
| 76 | * @subsection Compilation OS/2
|
|---|
| 77 | * Just as normal odin apps:<br>
|
|---|
| 78 | * nmake -f prftstprocess.mak
|
|---|
| 79 | *
|
|---|
| 80 | * @subsection Complation NT
|
|---|
| 81 | * This works from OS/2 and NT:
|
|---|
| 82 | * wcl386 -d__WINNT__=1 -bt=nt /lnt -I%WATCOM\h\nt PrfTstProcess.c kernel32.lib
|
|---|
| 83 | *
|
|---|
| 84 | * Optimized:
|
|---|
| 85 | * wcl386 -Otx -d__WINNT__=1 -bt=nt /lnt -I%WATCOM\h\nt PrfTstProcess.c kernel32.lib
|
|---|
| 86 | *
|
|---|
| 87 | */
|
|---|
| 88 |
|
|---|
| 89 | #include <stdio.h>
|
|---|
| 90 | #if !defined(__WINNT__)
|
|---|
| 91 | #include <sys/time.h>
|
|---|
| 92 | #endif
|
|---|
| 93 | #ifndef __NOTPC__
|
|---|
| 94 | #include <process.h>
|
|---|
| 95 | #endif
|
|---|
| 96 |
|
|---|
| 97 | #ifdef __OS2__
|
|---|
| 98 | #define INCL_DOSPROFILE
|
|---|
| 99 | #include <os2.h>
|
|---|
| 100 |
|
|---|
| 101 | long double gettime(void)
|
|---|
| 102 | {
|
|---|
| 103 | QWORD qw;
|
|---|
| 104 | DosTmrQueryTime(&qw);
|
|---|
| 105 | return (long double)qw.ulHi * (4294967296.00) + qw.ulLo;
|
|---|
| 106 | }
|
|---|
| 107 |
|
|---|
| 108 | unsigned getHz(void)
|
|---|
| 109 | {
|
|---|
| 110 | ULONG ul = -1;
|
|---|
| 111 | DosTmrQueryFreq(&ul);
|
|---|
| 112 | return ul;
|
|---|
| 113 | }
|
|---|
| 114 |
|
|---|
| 115 | void printSystemInfo(void)
|
|---|
| 116 | {
|
|---|
| 117 | }
|
|---|
| 118 |
|
|---|
| 119 | #elif defined(__WINNT__)
|
|---|
| 120 | #include <windows.h>
|
|---|
| 121 | /*
|
|---|
| 122 | * Windows
|
|---|
| 123 | */
|
|---|
| 124 | unsigned long __stdcall GetTickCount(void);
|
|---|
| 125 |
|
|---|
| 126 | long double gettime(void)
|
|---|
| 127 | {
|
|---|
| 128 | //return (long double)GetTickCount();
|
|---|
| 129 | LARGE_INTEGER ullCounter;
|
|---|
| 130 | ullCounter.QuadPart = 0;
|
|---|
| 131 | QueryPerformanceCounter(&ullCounter);
|
|---|
| 132 | return (long double)ullCounter.QuadPart;
|
|---|
| 133 | }
|
|---|
| 134 |
|
|---|
| 135 | unsigned getHz(void)
|
|---|
| 136 | {
|
|---|
| 137 | //return 1000;
|
|---|
| 138 | LARGE_INTEGER ullFrequency;
|
|---|
| 139 | ullFrequency.QuadPart = 0;
|
|---|
| 140 | QueryPerformanceFrequency(&ullFrequency);
|
|---|
| 141 | return (unsigned)ullFrequency.QuadPart;
|
|---|
| 142 | }
|
|---|
| 143 |
|
|---|
| 144 | void printSystemInfo(void)
|
|---|
| 145 | {
|
|---|
| 146 | LONG lrc;
|
|---|
| 147 | SYSTEM_INFO si;
|
|---|
| 148 | HKEY hProcessor0;
|
|---|
| 149 | char szMhz[16];
|
|---|
| 150 | szMhz[0] = '\0';
|
|---|
| 151 |
|
|---|
| 152 | lrc = RegOpenKey(HKEY_LOCAL_MACHINE,
|
|---|
| 153 | "HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0",
|
|---|
| 154 | &hProcessor0);
|
|---|
| 155 | if (!lrc)
|
|---|
| 156 | {
|
|---|
| 157 | LONG cchMhz = sizeof(szMhz);
|
|---|
| 158 | DWORD iKey;
|
|---|
| 159 | CHAR szValueName[256];
|
|---|
| 160 | DWORD cchValueName = sizeof(szValueName);
|
|---|
| 161 | DWORD dwType;
|
|---|
| 162 | BYTE abData[256];
|
|---|
| 163 | DWORD cbData;
|
|---|
| 164 |
|
|---|
| 165 | iKey = 0;
|
|---|
| 166 | szMhz[0] = '\0';
|
|---|
| 167 | while ((lrc = RegEnumValue(hProcessor0,
|
|---|
| 168 | iKey,
|
|---|
| 169 | szValueName,
|
|---|
| 170 | &cchValueName,
|
|---|
| 171 | NULL,
|
|---|
| 172 | &dwType,
|
|---|
| 173 | &abData,
|
|---|
| 174 | &cbData)) == 0
|
|---|
| 175 | || lrc == ERROR_MORE_DATA)
|
|---|
| 176 | {
|
|---|
| 177 | switch (dwType)
|
|---|
| 178 | {
|
|---|
| 179 | case REG_SZ:
|
|---|
| 180 | case REG_EXPAND_SZ:
|
|---|
| 181 | /*
|
|---|
| 182 | printf("%-24s = type: %1x namesize: %2d data size: %3d bytes\n %s\n",
|
|---|
| 183 | szValueName, dwType, cchValueName, cbData, &abData[0]);
|
|---|
| 184 | */
|
|---|
| 185 | break;
|
|---|
| 186 |
|
|---|
| 187 | default:
|
|---|
| 188 | {
|
|---|
| 189 | /*
|
|---|
| 190 | int i,j;
|
|---|
| 191 | printf("%-24s = type: %1x namesize: %2d data size: %3d bytes\n",
|
|---|
| 192 | szValueName, dwType, cchValueName, cbData);
|
|---|
| 193 | for (i = 0; i < cbData; i += 16)
|
|---|
| 194 | {
|
|---|
| 195 | printf(" %04x ", i);
|
|---|
| 196 | for (j = 0; j < 16; j++)
|
|---|
| 197 | {
|
|---|
| 198 | if (j + i < cbData)
|
|---|
| 199 | printf(j == 8 ? "- %02x " : "%02x ",
|
|---|
| 200 | (BYTE)abData[i+j]);
|
|---|
| 201 | else
|
|---|
| 202 | printf(j == 8 ? " " : " ");
|
|---|
| 203 | }
|
|---|
| 204 | putc(' ', stdout);
|
|---|
| 205 | for (j = 0; j < 16; j++)
|
|---|
| 206 | {
|
|---|
| 207 | if (j+i < cbData)
|
|---|
| 208 | putc(isprint(abData[j]) ? abData[j] : '.', stdout);
|
|---|
| 209 | else
|
|---|
| 210 | putc(' ', stdout);
|
|---|
| 211 | }
|
|---|
| 212 | putc('\n', stdout);
|
|---|
| 213 | }
|
|---|
| 214 | */
|
|---|
| 215 | if ( !szMhz[0]
|
|---|
| 216 | && stricmp(szValueName, "~MHz") == 0
|
|---|
| 217 | && dwType == REG_DWORD
|
|---|
| 218 | && cbData == sizeof(DWORD))
|
|---|
| 219 | sprintf(szMhz, "%d", *(PDWORD)&abData[0]);
|
|---|
| 220 | }
|
|---|
| 221 | }
|
|---|
| 222 |
|
|---|
| 223 | /* next */
|
|---|
| 224 | iKey++;
|
|---|
| 225 | dwType = 0;
|
|---|
| 226 | cchValueName = sizeof(szValueName);
|
|---|
| 227 | szValueName[0] = '\0';
|
|---|
| 228 | }
|
|---|
| 229 | RegCloseKey(hProcessor0);
|
|---|
| 230 | }
|
|---|
| 231 |
|
|---|
| 232 | GetSystemInfo(&si);
|
|---|
| 233 | printf(" %d %d CPUs %s Mhz\n",
|
|---|
| 234 | si.dwNumberOfProcessors,
|
|---|
| 235 | si.dwProcessorType,
|
|---|
| 236 | szMhz
|
|---|
| 237 | );
|
|---|
| 238 | }
|
|---|
| 239 |
|
|---|
| 240 | #else
|
|---|
| 241 |
|
|---|
| 242 | long double gettime(void)
|
|---|
| 243 | {
|
|---|
| 244 | struct timeval tp;
|
|---|
| 245 | long sec = 0L;
|
|---|
| 246 |
|
|---|
| 247 | if (gettimeofday(&tp, NULL))
|
|---|
| 248 | return -1;
|
|---|
| 249 | return tp.tv_usec / 1000000.00 + tp.tv_sec;
|
|---|
| 250 | }
|
|---|
| 251 |
|
|---|
| 252 | unsigned getHz(void)
|
|---|
| 253 | {
|
|---|
| 254 | return 1;//000000;
|
|---|
| 255 | }
|
|---|
| 256 |
|
|---|
| 257 | void printSystemInfo(void)
|
|---|
| 258 | {
|
|---|
| 259 | }
|
|---|
| 260 |
|
|---|
| 261 | #endif
|
|---|
| 262 |
|
|---|
| 263 |
|
|---|
| 264 | int main(int argc, char **argv)
|
|---|
| 265 | {
|
|---|
| 266 | long double rdStart;
|
|---|
| 267 | long double rdEnd;
|
|---|
| 268 | int pid;
|
|---|
| 269 | #ifdef __NOTPC__
|
|---|
| 270 | int status;
|
|---|
| 271 | #endif
|
|---|
| 272 |
|
|---|
| 273 | /*
|
|---|
| 274 | * Child process test.
|
|---|
| 275 | */
|
|---|
| 276 | if (argc != 1)
|
|---|
| 277 | return 0;
|
|---|
| 278 |
|
|---|
| 279 | /*
|
|---|
| 280 | * Main process.
|
|---|
| 281 | */
|
|---|
| 282 | rdStart = gettime();
|
|---|
| 283 | #ifndef __NOTPC__
|
|---|
| 284 | pid = spawnl(P_WAIT, argv[0], argv[0], "child", NULL); /* pid == 0 on success */
|
|---|
| 285 | #else
|
|---|
| 286 | pid = fork();
|
|---|
| 287 | if (pid == 0)
|
|---|
| 288 | {/* child code */
|
|---|
| 289 | execl(argv[0], argv[0], "child", NULL);
|
|---|
| 290 | fprintf(stderr, "we should NEVER be here!!\n");
|
|---|
| 291 | return 0;
|
|---|
| 292 | }
|
|---|
| 293 | if (pid > 0)
|
|---|
| 294 | pid = wait(&status);
|
|---|
| 295 | #endif
|
|---|
| 296 | rdEnd = gettime();
|
|---|
| 297 | printf("%Lf - %Lf sec (pid=%x)\n", rdEnd - rdStart, (rdEnd - rdStart) / getHz(), pid);
|
|---|
| 298 | printf("(start: %Lf end: %Lf Hz: %d\n", rdStart, rdEnd, getHz());
|
|---|
| 299 | printSystemInfo();
|
|---|
| 300 | return 0;
|
|---|
| 301 | }
|
|---|
