1 /* $Header: /src/pub/tcsh/sh.time.c,v 3.25 2002/06/25 19:02:11 christos Exp $ */ 2 /* 3 * sh.time.c: Shell time keeping and printing. 4 */ 5 /*- 6 * Copyright (c) 1980, 1991 The Regents of the University of California. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 #include "sh.h" 34 35 RCSID("$Id: sh.time.c,v 3.25 2002/06/25 19:02:11 christos Exp $") 36 37 #ifdef SUNOS4 38 # include <machine/param.h> 39 #endif /* SUNOS4 */ 40 41 /* 42 * C Shell - routines handling process timing and niceing 43 */ 44 #ifdef BSDTIMES 45 # ifndef RUSAGE_SELF 46 # define RUSAGE_SELF 0 47 # define RUSAGE_CHILDREN -1 48 # endif /* RUSAGE_SELF */ 49 #else /* BSDTIMES */ 50 struct tms times0; 51 #endif /* BSDTIMES */ 52 53 #if !defined(BSDTIMES) && !defined(_SEQUENT_) 54 # ifdef POSIX 55 static void pdtimet __P((clock_t, clock_t)); 56 # else /* ! POSIX */ 57 static void pdtimet __P((time_t, time_t)); 58 # endif /* ! POSIX */ 59 #else /* BSDTIMES || _SEQUENT_ */ 60 static void tvadd __P((timeval_t *, timeval_t *)); 61 static void pdeltat __P((timeval_t *, timeval_t *)); 62 #endif /* BSDTIMES || _SEQUENT_ */ 63 64 void 65 settimes() 66 { 67 #ifdef BSDTIMES 68 struct sysrusage ruch; 69 #ifdef convex 70 memset(&ru0, 0, sizeof(ru0)); 71 memset(&ruch, 0, sizeof(ruch)); 72 #endif /* convex */ 73 74 (void) gettimeofday(&time0, NULL); 75 (void) getrusage(RUSAGE_SELF, (struct rusage *) &ru0); 76 (void) getrusage(RUSAGE_CHILDREN, (struct rusage *) &ruch); 77 ruadd(&ru0, &ruch); 78 #else 79 # ifdef _SEQUENT_ 80 struct process_stats ruch; 81 82 (void) get_process_stats(&time0, PS_SELF, &ru0, &ruch); 83 ruadd(&ru0, &ruch); 84 # else /* _SEQUENT_ */ 85 seconds0 = time(NULL); 86 # ifndef COHERENT 87 time0 = times(×0); 88 # else /* !COHERENT */ 89 time0 = HZ * seconds0; 90 times(×0); 91 # endif /* !COHERENT */ 92 times0.tms_stime += times0.tms_cstime; 93 times0.tms_utime += times0.tms_cutime; 94 times0.tms_cstime = 0; 95 times0.tms_cutime = 0; 96 # endif /* _SEQUENT_ */ 97 #endif /* BSDTIMES */ 98 } 99 100 /* 101 * dotime is only called if it is truly a builtin function and not a 102 * prefix to another command 103 */ 104 /*ARGSUSED*/ 105 void 106 dotime(v, c) 107 Char **v; 108 struct command *c; 109 { 110 #ifdef BSDTIMES 111 timeval_t timedol; 112 struct sysrusage ru1, ruch; 113 #ifdef convex 114 memset(&ru1, 0, sizeof(ru1)); 115 memset(&ruch, 0, sizeof(ruch)); 116 #endif /* convex */ 117 118 (void) getrusage(RUSAGE_SELF, (struct rusage *) &ru1); 119 (void) getrusage(RUSAGE_CHILDREN, (struct rusage *) &ruch); 120 ruadd(&ru1, &ruch); 121 (void) gettimeofday(&timedol, NULL); 122 prusage(&ru0, &ru1, &timedol, &time0); 123 #else 124 # ifdef _SEQUENT_ 125 timeval_t timedol; 126 struct process_stats ru1, ruch; 127 128 (void) get_process_stats(&timedol, PS_SELF, &ru1, &ruch); 129 ruadd(&ru1, &ruch); 130 prusage(&ru0, &ru1, &timedol, &time0); 131 # else /* _SEQUENT_ */ 132 # ifndef POSIX 133 time_t timedol; 134 # else /* POSIX */ 135 clock_t timedol; 136 # endif /* POSIX */ 137 138 struct tms times_dol; 139 140 #ifndef COHERENT 141 timedol = times(×_dol); 142 #else 143 timedol = HZ * time(NULL); 144 times(×_dol); 145 #endif 146 times_dol.tms_stime += times_dol.tms_cstime; 147 times_dol.tms_utime += times_dol.tms_cutime; 148 times_dol.tms_cstime = 0; 149 times_dol.tms_cutime = 0; 150 prusage(×0, ×_dol, timedol, time0); 151 # endif /* _SEQUENT_ */ 152 #endif /* BSDTIMES */ 153 USE(c); 154 USE(v); 155 } 156 157 /* 158 * donice is only called when it on the line by itself or with a +- value 159 */ 160 /*ARGSUSED*/ 161 void 162 donice(v, c) 163 register Char **v; 164 struct command *c; 165 { 166 register Char *cp; 167 int nval = 0; 168 169 USE(c); 170 v++, cp = *v++; 171 if (cp == 0) 172 nval = 4; 173 else if (*v == 0 && any("+-", cp[0])) 174 nval = getn(cp); 175 #ifdef BSDNICE 176 if (setpriority(PRIO_PROCESS, 0, nval) == -1 && errno) 177 stderror(ERR_SYSTEM, "setpriority", strerror(errno)); 178 #else /* BSDNICE */ 179 (void) nice(nval); 180 #endif /* BSDNICE */ 181 } 182 183 #ifdef BSDTIMES 184 void 185 ruadd(ru, ru2) 186 register struct sysrusage *ru, *ru2; 187 { 188 tvadd(&ru->ru_utime, &ru2->ru_utime); 189 tvadd(&ru->ru_stime, &ru2->ru_stime); 190 if (ru2->ru_maxrss > ru->ru_maxrss) 191 ru->ru_maxrss = ru2->ru_maxrss; 192 193 ru->ru_ixrss += ru2->ru_ixrss; 194 ru->ru_idrss += ru2->ru_idrss; 195 ru->ru_isrss += ru2->ru_isrss; 196 ru->ru_minflt += ru2->ru_minflt; 197 ru->ru_majflt += ru2->ru_majflt; 198 ru->ru_nswap += ru2->ru_nswap; 199 ru->ru_inblock += ru2->ru_inblock; 200 ru->ru_oublock += ru2->ru_oublock; 201 ru->ru_msgsnd += ru2->ru_msgsnd; 202 ru->ru_msgrcv += ru2->ru_msgrcv; 203 ru->ru_nsignals += ru2->ru_nsignals; 204 ru->ru_nvcsw += ru2->ru_nvcsw; 205 ru->ru_nivcsw += ru2->ru_nivcsw; 206 207 # ifdef convex 208 tvadd(&ru->ru_exutime, &ru2->ru_exutime); 209 ru->ru_utotal += ru2->ru_utotal; 210 ru->ru_usamples += ru2->ru_usamples; 211 ru->ru_stotal += ru2->ru_stotal; 212 ru->ru_ssamples += ru2->ru_ssamples; 213 # endif /* convex */ 214 } 215 216 #else /* BSDTIMES */ 217 # ifdef _SEQUENT_ 218 void 219 ruadd(ru, ru2) 220 register struct process_stats *ru, *ru2; 221 { 222 tvadd(&ru->ps_utime, &ru2->ps_utime); 223 tvadd(&ru->ps_stime, &ru2->ps_stime); 224 if (ru2->ps_maxrss > ru->ps_maxrss) 225 ru->ps_maxrss = ru2->ps_maxrss; 226 227 ru->ps_pagein += ru2->ps_pagein; 228 ru->ps_reclaim += ru2->ps_reclaim; 229 ru->ps_zerofill += ru2->ps_zerofill; 230 ru->ps_pffincr += ru2->ps_pffincr; 231 ru->ps_pffdecr += ru2->ps_pffdecr; 232 ru->ps_swap += ru2->ps_swap; 233 ru->ps_syscall += ru2->ps_syscall; 234 ru->ps_volcsw += ru2->ps_volcsw; 235 ru->ps_involcsw += ru2->ps_involcsw; 236 ru->ps_signal += ru2->ps_signal; 237 ru->ps_lread += ru2->ps_lread; 238 ru->ps_lwrite += ru2->ps_lwrite; 239 ru->ps_bread += ru2->ps_bread; 240 ru->ps_bwrite += ru2->ps_bwrite; 241 ru->ps_phread += ru2->ps_phread; 242 ru->ps_phwrite += ru2->ps_phwrite; 243 } 244 245 # endif /* _SEQUENT_ */ 246 #endif /* BSDTIMES */ 247 248 #ifdef BSDTIMES 249 250 /* 251 * PWP: the LOG1024 and pagetok stuff taken from the top command, 252 * written by William LeFebvre 253 */ 254 /* Log base 2 of 1024 is 10 (2^10 == 1024) */ 255 #define LOG1024 10 256 257 /* Convert clicks (kernel pages) to kbytes ... */ 258 /* If there is no PGSHIFT defined, assume it is 11 */ 259 /* Is this needed for compatability with some old flavor of 4.2 or 4.1? */ 260 #ifdef SUNOS4 261 # ifndef PGSHIFT 262 # define pagetok(size) ((size) << 1) 263 # else 264 # if PGSHIFT>10 265 # define pagetok(size) ((size) << (PGSHIFT - LOG1024)) 266 # else 267 # define pagetok(size) ((size) >> (LOG1024 - PGSHIFT)) 268 # endif 269 # endif 270 #endif 271 272 /* 273 * if any other machines return wierd values in the ru_i* stuff, put 274 * the adjusting macro here: 275 */ 276 #ifdef SUNOS4 277 # define IADJUST(i) (pagetok(i)/2) 278 #else /* SUNOS4 */ 279 # ifdef convex 280 /* 281 * convex has megabytes * CLK_TCK 282 * multiply by 100 since we use time in 100ths of a second in prusage 283 */ 284 # define IADJUST(i) (((i) << 10) / CLK_TCK * 100) 285 # else /* convex */ 286 # define IADJUST(i) (i) 287 # endif /* convex */ 288 #endif /* SUNOS4 */ 289 290 void 291 prusage(r0, r1, e, b) 292 register struct sysrusage *r0, *r1; 293 timeval_t *e, *b; 294 295 #else /* BSDTIMES */ 296 # ifdef _SEQUENT_ 297 void 298 prusage(r0, r1, e, b) 299 register struct process_stats *r0, *r1; 300 timeval_t *e, *b; 301 302 # else /* _SEQUENT_ */ 303 void 304 prusage(bs, es, e, b) 305 struct tms *bs, *es; 306 307 # ifndef POSIX 308 time_t e, b; 309 310 # else /* POSIX */ 311 clock_t e, b; 312 313 # endif /* POSIX */ 314 # endif /* _SEQUENT_ */ 315 #endif /* BSDTIMES */ 316 { 317 #ifdef BSDTIMES 318 register time_t t = 319 (r1->ru_utime.tv_sec - r0->ru_utime.tv_sec) * 100 + 320 (r1->ru_utime.tv_usec - r0->ru_utime.tv_usec) / 10000 + 321 (r1->ru_stime.tv_sec - r0->ru_stime.tv_sec) * 100 + 322 (r1->ru_stime.tv_usec - r0->ru_stime.tv_usec) / 10000; 323 324 #else 325 # ifdef _SEQUENT_ 326 register time_t t = 327 (r1->ps_utime.tv_sec - r0->ps_utime.tv_sec) * 100 + 328 (r1->ps_utime.tv_usec - r0->ps_utime.tv_usec) / 10000 + 329 (r1->ps_stime.tv_sec - r0->ps_stime.tv_sec) * 100 + 330 (r1->ps_stime.tv_usec - r0->ps_stime.tv_usec) / 10000; 331 332 # else /* _SEQUENT_ */ 333 # ifndef POSIX 334 register time_t t = (es->tms_utime - bs->tms_utime + 335 es->tms_stime - bs->tms_stime) * 100 / HZ; 336 337 # else /* POSIX */ 338 register clock_t t = (es->tms_utime - bs->tms_utime + 339 es->tms_stime - bs->tms_stime) * 100 / clk_tck; 340 341 # endif /* POSIX */ 342 # endif /* _SEQUENT_ */ 343 #endif /* BSDTIMES */ 344 345 register char *cp; 346 register long i; 347 register struct varent *vp = adrof(STRtime); 348 349 #ifdef BSDTIMES 350 # ifdef convex 351 static struct system_information sysinfo; 352 long long memtmp; /* let memory calculations exceede 2Gb */ 353 # endif /* convex */ 354 int ms = (int) 355 ((e->tv_sec - b->tv_sec) * 100 + (e->tv_usec - b->tv_usec) / 10000); 356 357 cp = "%Uu %Ss %E %P %X+%Dk %I+%Oio %Fpf+%Ww"; 358 #else /* !BSDTIMES */ 359 # ifdef _SEQUENT_ 360 int ms = (int) 361 ((e->tv_sec - b->tv_sec) * 100 + (e->tv_usec - b->tv_usec) / 10000); 362 363 cp = "%Uu %Ss %E %P %I+%Oio %Fpf+%Ww"; 364 # else /* !_SEQUENT_ */ 365 # ifndef POSIX 366 time_t ms = ((time_t)((e - b) / HZ) * 100) + 367 (time_t)(((e - b) % HZ) * 100) / HZ; 368 # else /* POSIX */ 369 clock_t ms = ((clock_t)((e - b) / clk_tck) * 100) + 370 (clock_t)(((e - b) % clk_tck) * 100) / clk_tck; 371 # endif /* POSIX */ 372 373 cp = "%Uu %Ss %E %P"; 374 375 /* 376 * the tms stuff is not very precise, so we fudge it. 377 * granularity fix: can't be more than 100% 378 * this breaks in multi-processor systems... 379 * maybe I should take it out and let people see more then 100% 380 * utilizations. 381 */ 382 # if 0 383 if (ms < t && ms != 0) 384 ms = t; 385 # endif 386 # endif /*! _SEQUENT_ */ 387 #endif /* !BSDTIMES */ 388 #ifdef TDEBUG 389 xprintf("es->tms_utime %lu bs->tms_utime %lu\n", 390 es->tms_utime, bs->tms_utime); 391 xprintf("es->tms_stime %lu bs->tms_stime %lu\n", 392 es->tms_stime, bs->tms_stime); 393 xprintf("ms %lu e %lu b %lu\n", ms, e, b); 394 xprintf("t %lu\n", t); 395 #endif /* TDEBUG */ 396 397 if (vp && vp->vec && vp->vec[0] && vp->vec[1]) 398 cp = short2str(vp->vec[1]); 399 for (; *cp; cp++) 400 if (*cp != '%') 401 xputchar(*cp); 402 else if (cp[1]) 403 switch (*++cp) { 404 405 case 'U': /* user CPU time used */ 406 #ifdef BSDTIMES 407 pdeltat(&r1->ru_utime, &r0->ru_utime); 408 #else 409 # ifdef _SEQUENT_ 410 pdeltat(&r1->ps_utime, &r0->ps_utime); 411 # else /* _SEQUENT_ */ 412 # ifndef POSIX 413 pdtimet(es->tms_utime, bs->tms_utime); 414 # else /* POSIX */ 415 pdtimet(es->tms_utime, bs->tms_utime); 416 # endif /* POSIX */ 417 # endif /* _SEQUENT_ */ 418 #endif /* BSDTIMES */ 419 break; 420 421 case 'S': /* system CPU time used */ 422 #ifdef BSDTIMES 423 pdeltat(&r1->ru_stime, &r0->ru_stime); 424 #else 425 # ifdef _SEQUENT_ 426 pdeltat(&r1->ps_stime, &r0->ps_stime); 427 # else /* _SEQUENT_ */ 428 # ifndef POSIX 429 pdtimet(es->tms_stime, bs->tms_stime); 430 # else /* POSIX */ 431 pdtimet(es->tms_stime, bs->tms_stime); 432 # endif /* POSIX */ 433 # endif /* _SEQUENT_ */ 434 #endif /* BSDTIMES */ 435 break; 436 437 case 'E': /* elapsed (wall-clock) time */ 438 #ifdef BSDTIMES 439 pcsecs((long) ms); 440 #else /* BSDTIMES */ 441 pcsecs(ms); 442 #endif /* BSDTIMES */ 443 break; 444 445 case 'P': /* percent time spent running */ 446 /* check if the process did not run */ 447 #ifdef convex 448 /* 449 * scale the cpu %- ages by the number of processors 450 * available on this machine 451 */ 452 if ((sysinfo.cpu_count == 0) && 453 (getsysinfo(SYSINFO_SIZE, &sysinfo) < 0)) 454 sysinfo.cpu_count = 1; 455 i = (ms == 0) ? 0 : (t * 1000.0 / (ms * sysinfo.cpu_count)); 456 #else /* convex */ 457 i = (ms == 0) ? 0 : (long)(t * 1000.0 / ms); 458 #endif /* convex */ 459 xprintf("%ld.%01ld%%", i / 10, i % 10); /* nn.n% */ 460 break; 461 462 #ifdef BSDTIMES 463 case 'W': /* number of swaps */ 464 i = r1->ru_nswap - r0->ru_nswap; 465 xprintf("%ld", i); 466 break; 467 468 #ifdef convex 469 case 'X': /* (average) shared text size */ 470 memtmp = (t == 0 ? 0LL : IADJUST((long long)r1->ru_ixrss - 471 (long long)r0->ru_ixrss) / 472 (long long)t); 473 xprintf("%lu", (unsigned long)memtmp); 474 475 break; 476 477 case 'D': /* (average) unshared data size */ 478 memtmp = (t == 0 ? 0LL : IADJUST((long long)r1->ru_idrss + 479 (long long)r1->ru_isrss - 480 ((long long)r0->ru_idrss + 481 (long long)r0->ru_isrss)) / 482 (long long)t); 483 xprintf("%lu", (unsigned long)memtmp); 484 break; 485 486 case 'K': /* (average) total data memory used */ 487 memtmp = (t == 0 ? 0LL : IADJUST(((long long)r1->ru_ixrss + 488 (long long)r1->ru_isrss + 489 (long long)r1->ru_idrss) - 490 ((long long)r0->ru_ixrss + 491 (long long)r0->ru_idrss + 492 (long long)r0->ru_isrss)) / 493 (long long)t); 494 xprintf("%lu", (unsigned long)memtmp); 495 break; 496 #else /* !convex */ 497 case 'X': /* (average) shared text size */ 498 xprintf("%ld", t == 0 ? 0L : 499 IADJUST(r1->ru_ixrss - r0->ru_ixrss) / t); 500 break; 501 502 case 'D': /* (average) unshared data size */ 503 xprintf("%ld", t == 0 ? 0L : 504 IADJUST(r1->ru_idrss + r1->ru_isrss - 505 (r0->ru_idrss + r0->ru_isrss)) / t); 506 break; 507 508 case 'K': /* (average) total data memory used */ 509 xprintf("%ld", t == 0 ? 0L : 510 IADJUST((r1->ru_ixrss + r1->ru_isrss + r1->ru_idrss) - 511 (r0->ru_ixrss + r0->ru_idrss + r0->ru_isrss)) / t); 512 break; 513 #endif /* convex */ 514 case 'M': /* max. Resident Set Size */ 515 #ifdef SUNOS4 516 xprintf("%ld", pagetok(r1->ru_maxrss)); 517 #else 518 # ifdef convex 519 xprintf("%ld", r1->ru_maxrss * 4L); 520 # else /* !convex */ 521 xprintf("%ld", r1->ru_maxrss / 2L); 522 # endif /* convex */ 523 #endif /* SUNOS4 */ 524 break; 525 526 case 'F': /* page faults */ 527 xprintf("%ld", r1->ru_majflt - r0->ru_majflt); 528 break; 529 530 case 'R': /* page reclaims */ 531 xprintf("%ld", r1->ru_minflt - r0->ru_minflt); 532 break; 533 534 case 'I': /* FS blocks in */ 535 xprintf("%ld", r1->ru_inblock - r0->ru_inblock); 536 break; 537 538 case 'O': /* FS blocks out */ 539 xprintf("%ld", r1->ru_oublock - r0->ru_oublock); 540 break; 541 542 # ifdef convex 543 case 'C': /* CPU parallelization factor */ 544 if (r1->ru_usamples != 0LL) { 545 long long parr = ((r1->ru_utotal * 100LL) / 546 r1->ru_usamples); 547 xprintf("%d.%02d", (int)(parr/100), (int)(parr%100)); 548 } else 549 xprintf("?"); 550 break; 551 # endif /* convex */ 552 case 'r': /* PWP: socket messages recieved */ 553 xprintf("%ld", r1->ru_msgrcv - r0->ru_msgrcv); 554 break; 555 556 case 's': /* PWP: socket messages sent */ 557 xprintf("%ld", r1->ru_msgsnd - r0->ru_msgsnd); 558 break; 559 560 case 'k': /* PWP: signals received */ 561 xprintf("%ld", r1->ru_nsignals - r0->ru_nsignals); 562 break; 563 564 case 'w': /* PWP: voluntary context switches (waits) */ 565 xprintf("%ld", r1->ru_nvcsw - r0->ru_nvcsw); 566 break; 567 568 case 'c': /* PWP: involuntary context switches */ 569 xprintf("%ld", r1->ru_nivcsw - r0->ru_nivcsw); 570 break; 571 #else /* BSDTIMES */ 572 # ifdef _SEQUENT_ 573 case 'W': /* number of swaps */ 574 i = r1->ps_swap - r0->ps_swap; 575 xprintf("%ld", i); 576 break; 577 578 case 'M': 579 xprintf("%ld", r1->ps_maxrss / 2); 580 break; 581 582 case 'F': 583 xprintf("%ld", r1->ps_pagein - r0->ps_pagein); 584 break; 585 586 case 'R': 587 xprintf("%ld", r1->ps_reclaim - r0->ps_reclaim); 588 break; 589 590 case 'I': 591 xprintf("%ld", r1->ps_bread - r0->ps_bread); 592 break; 593 594 case 'O': 595 xprintf("%ld", r1->ps_bwrite - r0->ps_bwrite); 596 break; 597 598 case 'k': 599 xprintf("%ld", r1->ps_signal - r0->ps_signal); 600 break; 601 602 case 'w': 603 xprintf("%ld", r1->ps_volcsw - r0->ps_volcsw); 604 break; 605 606 case 'c': 607 xprintf("%ld", r1->ps_involcsw - r0->ps_involcsw); 608 break; 609 610 case 'Z': 611 xprintf("%ld", r1->ps_zerofill - r0->ps_zerofill); 612 break; 613 614 case 'i': 615 xprintf("%ld", r1->ps_pffincr - r0->ps_pffincr); 616 break; 617 618 case 'd': 619 xprintf("%ld", r1->ps_pffdecr - r0->ps_pffdecr); 620 break; 621 622 case 'Y': 623 xprintf("%ld", r1->ps_syscall - r0->ps_syscall); 624 break; 625 626 case 'l': 627 xprintf("%ld", r1->ps_lread - r0->ps_lread); 628 break; 629 630 case 'm': 631 xprintf("%ld", r1->ps_lwrite - r0->ps_lwrite); 632 break; 633 634 case 'p': 635 xprintf("%ld", r1->ps_phread - r0->ps_phread); 636 break; 637 638 case 'q': 639 xprintf("%ld", r1->ps_phwrite - r0->ps_phwrite); 640 break; 641 # endif /* _SEQUENT_ */ 642 #endif /* BSDTIMES */ 643 default: 644 break; 645 } 646 xputchar('\n'); 647 } 648 649 #if defined(BSDTIMES) || defined(_SEQUENT_) 650 static void 651 pdeltat(t1, t0) 652 timeval_t *t1, *t0; 653 { 654 timeval_t td; 655 656 tvsub(&td, t1, t0); 657 xprintf("%ld.%03ld", td.tv_sec, td.tv_usec / 1000L); 658 } 659 660 static void 661 tvadd(tsum, t0) 662 timeval_t *tsum, *t0; 663 { 664 665 tsum->tv_sec += t0->tv_sec; 666 tsum->tv_usec += t0->tv_usec; 667 if (tsum->tv_usec >= 1000000) 668 tsum->tv_sec++, tsum->tv_usec -= 1000000; 669 } 670 671 void 672 tvsub(tdiff, t1, t0) 673 timeval_t *tdiff, *t1, *t0; 674 { 675 676 tdiff->tv_sec = t1->tv_sec - t0->tv_sec; 677 tdiff->tv_usec = t1->tv_usec - t0->tv_usec; 678 if (tdiff->tv_usec < 0) 679 tdiff->tv_sec--, tdiff->tv_usec += 1000000; 680 } 681 682 #else /* !BSDTIMES && !_SEQUENT_ */ 683 static void 684 pdtimet(eval, bval) 685 #ifndef POSIX 686 time_t eval, bval; 687 688 #else /* POSIX */ 689 clock_t eval, bval; 690 691 #endif /* POSIX */ 692 { 693 #ifndef POSIX 694 time_t val; 695 696 #else /* POSIX */ 697 clock_t val; 698 699 #endif /* POSIX */ 700 701 #ifndef POSIX 702 val = (eval - bval) * 100 / HZ; 703 #else /* POSIX */ 704 val = (eval - bval) * 100 / clk_tck; 705 #endif /* POSIX */ 706 707 xprintf("%ld.%02ld", val / 100, val - (val / 100 * 100)); 708 } 709 #endif /* BSDTIMES || _SEQUENT_ */ 710