1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 
  22 /*
  23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  *
  26  * Portions Copyright 2009 Chad Mynhier
  27  * Copyright 2012 Joyent, Inc.  All rights reserved.
  28  */
  29 
  30 #include <sys/types.h>
  31 #include <sys/resource.h>
  32 #include <sys/loadavg.h>
  33 #include <sys/time.h>
  34 #include <sys/pset.h>
  35 #include <sys/vm_usage.h>
  36 #include <zone.h>
  37 #include <libzonecfg.h>
  38 
  39 #include <stdio.h>
  40 #include <stdlib.h>
  41 #include <unistd.h>
  42 #include <dirent.h>
  43 #include <string.h>
  44 #include <errno.h>
  45 #include <poll.h>
  46 #include <ctype.h>
  47 #include <fcntl.h>
  48 #include <limits.h>
  49 #include <signal.h>
  50 #include <time.h>
  51 #include <project.h>
  52 
  53 #include <langinfo.h>
  54 #include <libintl.h>
  55 #include <locale.h>
  56 
  57 #include "prstat.h"
  58 #include "prutil.h"
  59 #include "prtable.h"
  60 #include "prsort.h"
  61 #include "prfile.h"
  62 
  63 /*
  64  * x86 <sys/regs.h> ERR conflicts with <curses.h> ERR.  For the purposes
  65  * of this file, we care about the curses.h ERR so include that last.
  66  */
  67 
  68 #if     defined(ERR)
  69 #undef  ERR
  70 #endif
  71 
  72 #ifndef TEXT_DOMAIN                     /* should be defined by cc -D */
  73 #define TEXT_DOMAIN     "SYS_TEST"      /* use this only if it wasn't */
  74 #endif
  75 
  76 #include <curses.h>
  77 #include <term.h>
  78 
  79 #define PSINFO_HEADER_PROC \
  80 "   PID USERNAME  SIZE   RSS STATE  PRI NICE      TIME  CPU PROCESS/NLWP       "
  81 #define PSINFO_HEADER_PROC_LGRP \
  82 "   PID USERNAME  SIZE   RSS STATE  PRI NICE      TIME  CPU LGRP PROCESS/NLWP  "
  83 #define PSINFO_HEADER_LWP \
  84 "   PID USERNAME  SIZE   RSS STATE  PRI NICE      TIME  CPU PROCESS/LWPID      "
  85 #define PSINFO_HEADER_LWP_LGRP \
  86 "   PID USERNAME  SIZE   RSS STATE  PRI NICE      TIME  CPU LGRP PROCESS/LWPID "
  87 #define USAGE_HEADER_PROC \
  88 "   PID USERNAME USR SYS TRP TFL DFL LCK SLP LAT VCX ICX SCL SIG PROCESS/NLWP  "
  89 #define USAGE_HEADER_LWP \
  90 "   PID USERNAME USR SYS TRP TFL DFL LCK SLP LAT VCX ICX SCL SIG PROCESS/LWPID "
  91 #define USER_HEADER_PROC \
  92 " NPROC USERNAME  SWAP   RSS MEMORY      TIME  CPU                             "
  93 #define USER_HEADER_LWP \
  94 "  NLWP USERNAME  SWAP   RSS MEMORY      TIME  CPU                             "
  95 #define TASK_HEADER_PROC \
  96 "TASKID    NPROC  SWAP   RSS MEMORY      TIME  CPU PROJECT                     "
  97 #define TASK_HEADER_LWP \
  98 "TASKID     NLWP  SWAP   RSS MEMORY      TIME  CPU PROJECT                     "
  99 #define PROJECT_HEADER_PROC \
 100 "PROJID    NPROC  SWAP   RSS MEMORY      TIME  CPU PROJECT                     "
 101 #define PROJECT_HEADER_LWP \
 102 "PROJID     NLWP  SWAP   RSS MEMORY      TIME  CPU PROJECT                     "
 103 #define ZONE_HEADER_PROC \
 104 "ZONEID    NPROC  SWAP   RSS MEMORY      TIME  CPU ZONE                        "
 105 #define ZONE_HEADER_LWP \
 106 "ZONEID     NLWP  SWAP   RSS MEMORY      TIME  CPU ZONE                        "
 107 #define PSINFO_LINE \
 108 "%6d %-8s %5s %5s %-6s %3s  %3s %9s %3.3s%% %-.16s/%d"
 109 #define PSINFO_LINE_LGRP \
 110 "%6d %-8s %5s %5s %-6s %3s  %3s %9s %3.3s%% %4d %-.16s/%d"
 111 #define USAGE_LINE \
 112 "%6d %-8s %3.3s %3.3s %3.3s %3.3s %3.3s %3.3s %3.3s %3.3s %3.3s %3.3s %3.3s "\
 113 "%3.3s %-.12s/%d"
 114 #define USER_LINE \
 115 "%6d %-8s %5.5s %5.5s   %3.3s%% %9s %3.3s%%"
 116 #define TASK_LINE \
 117 "%6d %8d %5s %5s   %3.3s%% %9s %3.3s%% %28s"
 118 #define PROJECT_LINE \
 119 "%6d %8d %5s %5s   %3.3s%% %9s %3.3s%% %28s"
 120 #define ZONE_LINE \
 121 "%6d %8d %5s %5s   %3.3s%% %9s %3.3s%% %28s"
 122 
 123 #define TOTAL_LINE \
 124 "Total: %d processes, %d lwps, load averages: %3.2f, %3.2f, %3.2f"
 125 
 126 /* global variables */
 127 
 128 static char     *t_ulon;                        /* termcap: start underline */
 129 static char     *t_uloff;                       /* termcap: end underline */
 130 static char     *t_up;                          /* termcap: cursor 1 line up */
 131 static char     *t_eol;                         /* termcap: clear end of line */
 132 static char     *t_smcup;                       /* termcap: cursor mvcap on */
 133 static char     *t_rmcup;                       /* termcap: cursor mvcap off */
 134 static char     *t_home;                        /* termcap: move cursor home */
 135 static char     *movecur = NULL;                /* termcap: move up string */
 136 static char     *empty_string = "\0";           /* termcap: empty string */
 137 static uint_t   print_movecur = FALSE;          /* print movecur or not */
 138 static int      is_curses_on = FALSE;           /* current curses state */
 139 
 140 static table_t  pid_tbl = {0, 0, NULL};         /* selected processes */
 141 static table_t  cpu_tbl = {0, 0, NULL};         /* selected processors */
 142 static table_t  set_tbl = {0, 0, NULL};         /* selected processor sets */
 143 static table_t  prj_tbl = {0, 0, NULL};         /* selected projects */
 144 static table_t  tsk_tbl = {0, 0, NULL};         /* selected tasks */
 145 static table_t  lgr_tbl = {0, 0, NULL};         /* selected lgroups */
 146 static zonetbl_t zone_tbl = {0, 0, NULL};       /* selected zones */
 147 static uidtbl_t euid_tbl = {0, 0, NULL};        /* selected effective users */
 148 static uidtbl_t ruid_tbl = {0, 0, NULL};        /* selected real users */
 149 
 150 static uint_t   total_procs;                    /* total number of procs */
 151 static uint_t   total_lwps;                     /* total number of lwps */
 152 static float    total_cpu;                      /* total cpu usage */
 153 static float    total_mem;                      /* total memory usage */
 154 
 155 static list_t   lwps;                           /* list of lwps/processes */
 156 static list_t   users;                          /* list of users */
 157 static list_t   tasks;                          /* list of tasks */
 158 static list_t   projects;                       /* list of projects */
 159 static list_t   zones;                          /* list of zones */
 160 static list_t   lgroups;                        /* list of lgroups */
 161 
 162 static volatile uint_t sigwinch = 0;
 163 static volatile uint_t sigtstp = 0;
 164 static volatile uint_t sigterm = 0;
 165 
 166 static long pagesize;
 167 
 168 /* default settings */
 169 
 170 static optdesc_t opts = {
 171         5,                      /* interval between updates, seconds */
 172         15,                     /* number of lines in top part */
 173         5,                      /* number of lines in bottom part */
 174         -1,                     /* number of iterations; infinitely */
 175         OPT_PSINFO | OPT_FULLSCREEN | OPT_USEHOME | OPT_TERMCAP,
 176         -1                      /* sort in decreasing order */
 177 };
 178 
 179 /*
 180  * Print timestamp as decimal reprentation of time_t value (-d u was specified)
 181  * or the standard date format (-d d was specified).
 182  */
 183 static void
 184 print_timestamp(void)
 185 {
 186         time_t t = time(NULL);
 187         static char *fmt = NULL;
 188 
 189         /* We only need to retrieve this once per invocation */
 190         if (fmt == NULL)
 191                 fmt = nl_langinfo(_DATE_FMT);
 192 
 193         if (opts.o_outpmode & OPT_UDATE) {
 194                 (void) printf("%ld", t);
 195         } else if (opts.o_outpmode & OPT_DDATE) {
 196                 char dstr[64];
 197                 int len;
 198 
 199                 len = strftime(dstr, sizeof (dstr), fmt, localtime(&t));
 200                 if (len > 0)
 201                         (void) printf("%s", dstr);
 202         }
 203         (void) putp(t_eol);
 204         (void) putchar('\n');
 205 }
 206 
 207 static void
 208 psetloadavg(long psetid, void *ptr)
 209 {
 210         double psetloadavg[3];
 211         double *loadavg = ptr;
 212 
 213         if (pset_getloadavg((psetid_t)psetid, psetloadavg, 3) != -1) {
 214                 *loadavg++ += psetloadavg[0];
 215                 *loadavg++ += psetloadavg[1];
 216                 *loadavg += psetloadavg[2];
 217         }
 218 }
 219 
 220 /*
 221  * Queries the memory virtual and rss size for each member of a list.
 222  * This will override the values computed by /proc aggregation.
 223  */
 224 static void
 225 list_getsize(list_t *list)
 226 {
 227         id_info_t *id;
 228         vmusage_t *results, *next;
 229         vmusage_t *match;
 230         size_t nres = 0;
 231         size_t i;
 232         uint_t flags = 0;
 233         int ret;
 234         size_t physmem;
 235 
 236         if (!(opts.o_outpmode & OPT_VMUSAGE))
 237                 return;
 238 
 239         physmem = sysconf(_SC_PHYS_PAGES) * pagesize;
 240 
 241         /*
 242          * Determine what swap/rss results to calculate.  getvmusage() will
 243          * prune results returned to non-global zones automatically, so
 244          * there is no need to pass different flags when calling from a
 245          * non-global zone.
 246          *
 247          * Currently list_getsize() is only called with a single flag.  This
 248          * is because -Z, -J, -T, and -a are mutually exclusive.  Regardless
 249          * of this, we handle multiple flags.
 250          */
 251         if (opts.o_outpmode & OPT_USERS) {
 252                 /*
 253                  * Gather rss for all users in all zones.  Treat the same
 254                  * uid in different zones as the same user.
 255                  */
 256                 flags |= VMUSAGE_COL_RUSERS;
 257 
 258         } else if (opts.o_outpmode & OPT_TASKS) {
 259                 /* Gather rss for all tasks in all zones */
 260                 flags |= VMUSAGE_ALL_TASKS;
 261 
 262         } else if (opts.o_outpmode & OPT_PROJECTS) {
 263                 /*
 264                  * Gather rss for all projects in all zones.  Treat the same
 265                  * projid in diffrent zones as the same project.
 266                  */
 267                 flags |= VMUSAGE_COL_PROJECTS;
 268 
 269         } else if (opts.o_outpmode & OPT_ZONES) {
 270                 /* Gather rss for all zones */
 271                 flags |= VMUSAGE_ALL_ZONES;
 272 
 273         } else {
 274                 Die(gettext(
 275                     "Cannot determine rss flags for output options %x\n"),
 276                     opts.o_outpmode);
 277         }
 278 
 279         /*
 280          * getvmusage() returns an array of result structures.  One for
 281          * each zone, project, task, or user on the system, depending on
 282          * flags.
 283          *
 284          * If getvmusage() fails, prstat will use the size already gathered
 285          * from psinfo
 286          */
 287         if (getvmusage(flags, opts.o_interval, NULL, &nres) != 0)
 288                 return;
 289 
 290         results = (vmusage_t *)Malloc(sizeof (vmusage_t) * nres);
 291         for (;;) {
 292                 ret = getvmusage(flags, opts.o_interval, results, &nres);
 293                 if (ret == 0)
 294                         break;
 295                 if (errno == EOVERFLOW) {
 296                         results = (vmusage_t *)Realloc(results,
 297                             sizeof (vmusage_t) * nres);
 298                         continue;
 299                 }
 300                 /*
 301                  * Failure for some other reason.  Prstat will use the size
 302                  * already gathered from psinfo.
 303                  */
 304                 free(results);
 305                 return;
 306         }
 307         for (id = list->l_head; id != NULL; id = id->id_next) {
 308 
 309                 match = NULL;
 310                 next = results;
 311                 for (i = 0; i < nres; i++, next++) {
 312                         switch (flags) {
 313                         case VMUSAGE_COL_RUSERS:
 314                                 if (next->vmu_id == id->id_uid)
 315                                         match = next;
 316                                 break;
 317                         case VMUSAGE_ALL_TASKS:
 318                                 if (next->vmu_id == id->id_taskid)
 319                                         match = next;
 320                                 break;
 321                         case VMUSAGE_COL_PROJECTS:
 322                                 if (next->vmu_id == id->id_projid)
 323                                         match = next;
 324                                 break;
 325                         case VMUSAGE_ALL_ZONES:
 326                                 if (next->vmu_id == id->id_zoneid)
 327                                         match = next;
 328                                 break;
 329                         default:
 330                                 Die(gettext(
 331                                     "Unknown vmusage flags %d\n"), flags);
 332                         }
 333                 }
 334                 if (match != NULL) {
 335                         id->id_size = match->vmu_swap_all / 1024;
 336                         id->id_rssize = match->vmu_rss_all / 1024;
 337                         id->id_pctmem = (100.0 * (float)match->vmu_rss_all) /
 338                             (float)physmem;
 339                         /* Output using data from getvmusage() */
 340                         id->id_sizematch = B_TRUE;
 341                 }
 342                 /*
 343                  * If no match is found, prstat will use the size already
 344                  * gathered from psinfo.
 345                  */
 346         }
 347         free(results);
 348 }
 349 
 350 /*
 351  * A routine to display the contents of the list on the screen
 352  */
 353 static void
 354 list_print(list_t *list)
 355 {
 356         lwp_info_t *lwp;
 357         id_info_t *id;
 358         char usr[4], sys[4], trp[4], tfl[4];
 359         char dfl[4], lck[4], slp[4], lat[4];
 360         char vcx[4], icx[4], scl[4], sig[4];
 361         char psize[6], prssize[6], pmem[6], pcpu[6], ptime[12];
 362         char pstate[7], pnice[4], ppri[4];
 363         char pname[LOGNAME_MAX+1];
 364         char projname[PROJNAME_MAX+1];
 365         char zonename[ZONENAME_MAX+1];
 366         float cpu, mem;
 367         double loadavg[3] = {0, 0, 0};
 368         int i, lwpid;
 369 
 370         if (list->l_size == 0)
 371                 return;
 372 
 373         if (foreach_element(&set_tbl, &loadavg, psetloadavg) == 0) {
 374                 /*
 375                  * If processor sets aren't specified, we display system-wide
 376                  * load averages.
 377                  */
 378                 (void) getloadavg(loadavg, 3);
 379         }
 380 
 381         if (((opts.o_outpmode & OPT_UDATE) || (opts.o_outpmode & OPT_DDATE)) &&
 382             ((list->l_type == LT_LWPS) || !(opts.o_outpmode & OPT_SPLIT)))
 383                 print_timestamp();
 384         if (opts.o_outpmode & OPT_TTY)
 385                 (void) putchar('\r');
 386         (void) putp(t_ulon);
 387 
 388         switch (list->l_type) {
 389         case LT_PROJECTS:
 390                 if (opts.o_outpmode & OPT_LWPS)
 391                         (void) printf(PROJECT_HEADER_LWP);
 392                 else
 393                         (void) printf(PROJECT_HEADER_PROC);
 394                 break;
 395         case LT_TASKS:
 396                 if (opts.o_outpmode & OPT_LWPS)
 397                         (void) printf(TASK_HEADER_LWP);
 398                 else
 399                         (void) printf(TASK_HEADER_PROC);
 400                 break;
 401         case LT_ZONES:
 402                 if (opts.o_outpmode & OPT_LWPS)
 403                         (void) printf(ZONE_HEADER_LWP);
 404                 else
 405                         (void) printf(ZONE_HEADER_PROC);
 406                 break;
 407         case LT_USERS:
 408                 if (opts.o_outpmode & OPT_LWPS)
 409                         (void) printf(USER_HEADER_LWP);
 410                 else
 411                         (void) printf(USER_HEADER_PROC);
 412                 break;
 413         case LT_LWPS:
 414                 if (opts.o_outpmode & OPT_LWPS) {
 415                         if (opts.o_outpmode & OPT_PSINFO) {
 416                                 if (opts.o_outpmode & OPT_LGRP)
 417                                         (void) printf(PSINFO_HEADER_LWP_LGRP);
 418                                 else
 419                                         (void) printf(PSINFO_HEADER_LWP);
 420                         }
 421                         if (opts.o_outpmode & OPT_MSACCT)
 422                                 (void) printf(USAGE_HEADER_LWP);
 423                 } else {
 424                         if (opts.o_outpmode & OPT_PSINFO) {
 425                                 if (opts.o_outpmode & OPT_LGRP)
 426                                         (void) printf(PSINFO_HEADER_PROC_LGRP);
 427                                 else
 428                                         (void) printf(PSINFO_HEADER_PROC);
 429                         }
 430                         if (opts.o_outpmode & OPT_MSACCT)
 431                                 (void) printf(USAGE_HEADER_PROC);
 432                 }
 433                 break;
 434         }
 435 
 436         (void) putp(t_uloff);
 437         (void) putp(t_eol);
 438         (void) putchar('\n');
 439 
 440         for (i = 0; i < list->l_used; i++) {
 441                 switch (list->l_type) {
 442                 case LT_PROJECTS:
 443                 case LT_TASKS:
 444                 case LT_USERS:
 445                 case LT_ZONES:
 446                         id = list->l_ptrs[i];
 447                         /*
 448                          * CPU usage and memory usage normalization
 449                          */
 450                         if (total_cpu >= 100)
 451                                 cpu = (100 * id->id_pctcpu) / total_cpu;
 452                         else
 453                                 cpu = id->id_pctcpu;
 454                         if (id->id_sizematch == B_FALSE && total_mem >= 100)
 455                                 mem = (100 * id->id_pctmem) / total_mem;
 456                         else
 457                                 mem = id->id_pctmem;
 458                         if (list->l_type == LT_USERS)
 459                                 pwd_getname(id->id_uid, pname, LOGNAME_MAX + 1,
 460                                     opts.o_outpmode & OPT_NORESOLVE);
 461                         else if (list->l_type == LT_ZONES)
 462                                 getzonename(id->id_zoneid, zonename,
 463                                     ZONENAME_MAX);
 464                         else
 465                                 getprojname(id->id_projid, projname,
 466                                     PROJNAME_MAX,
 467                                     opts.o_outpmode & OPT_NORESOLVE);
 468                         Format_size(psize, id->id_size, 6);
 469                         Format_size(prssize, id->id_rssize, 6);
 470                         Format_pct(pmem, mem, 4);
 471                         Format_pct(pcpu, cpu, 4);
 472                         Format_time(ptime, id->id_time, 10);
 473                         if (opts.o_outpmode & OPT_TTY)
 474                                 (void) putchar('\r');
 475                         if (list->l_type == LT_PROJECTS)
 476                                 (void) printf(PROJECT_LINE, (int)id->id_projid,
 477                                     id->id_nproc, psize, prssize, pmem, ptime,
 478                                     pcpu, projname);
 479                         else if (list->l_type == LT_TASKS)
 480                                 (void) printf(TASK_LINE, (int)id->id_taskid,
 481                                     id->id_nproc, psize, prssize, pmem, ptime,
 482                                     pcpu, projname);
 483                         else if (list->l_type == LT_ZONES)
 484                                 (void) printf(ZONE_LINE, (int)id->id_zoneid,
 485                                     id->id_nproc, psize, prssize, pmem, ptime,
 486                                     pcpu, zonename);
 487                         else
 488                                 (void) printf(USER_LINE, id->id_nproc, pname,
 489                                     psize, prssize, pmem, ptime, pcpu);
 490                         (void) putp(t_eol);
 491                         (void) putchar('\n');
 492                         break;
 493                 case LT_LWPS:
 494                         lwp = list->l_ptrs[i];
 495                         if (opts.o_outpmode & OPT_LWPS)
 496                                 lwpid = lwp->li_info.pr_lwp.pr_lwpid;
 497                         else
 498                                 lwpid = lwp->li_info.pr_nlwp +
 499                                     lwp->li_info.pr_nzomb;
 500                         pwd_getname(lwp->li_info.pr_uid, pname, LOGNAME_MAX + 1,
 501                             opts.o_outpmode & OPT_NORESOLVE);
 502                         if (opts.o_outpmode & OPT_PSINFO) {
 503                                 Format_size(psize, lwp->li_info.pr_size, 6);
 504                                 Format_size(prssize, lwp->li_info.pr_rssize, 6);
 505                                 Format_state(pstate,
 506                                     lwp->li_info.pr_lwp.pr_sname,
 507                                     lwp->li_info.pr_lwp.pr_onpro, 7);
 508                                 if (strcmp(lwp->li_info.pr_lwp.pr_clname,
 509                                     "RT") == 0 ||
 510                                     strcmp(lwp->li_info.pr_lwp.pr_clname,
 511                                     "SYS") == 0 ||
 512                                     lwp->li_info.pr_lwp.pr_sname == 'Z')
 513                                         (void) strcpy(pnice, "  -");
 514                                 else
 515                                         Format_num(pnice,
 516                                             lwp->li_info.pr_lwp.pr_nice - NZERO,
 517                                             4);
 518                                 Format_num(ppri, lwp->li_info.pr_lwp.pr_pri, 4);
 519                                 Format_pct(pcpu,
 520                                     FRC2PCT(lwp->li_info.pr_lwp.pr_pctcpu), 4);
 521                                 if (opts.o_outpmode & OPT_LWPS)
 522                                         Format_time(ptime,
 523                                             lwp->li_info.pr_lwp.pr_time.tv_sec,
 524                                             10);
 525                                 else
 526                                         Format_time(ptime,
 527                                             lwp->li_info.pr_time.tv_sec, 10);
 528                                 if (opts.o_outpmode & OPT_TTY)
 529                                         (void) putchar('\r');
 530                                 stripfname(lwp->li_info.pr_fname);
 531                                 if (opts.o_outpmode & OPT_LGRP) {
 532                                         (void) printf(PSINFO_LINE_LGRP,
 533                                             (int)lwp->li_info.pr_pid, pname,
 534                                             psize, prssize, pstate, ppri, pnice,
 535                                             ptime, pcpu,
 536                                             (int)lwp->li_info.pr_lwp.pr_lgrp,
 537                                             lwp->li_info.pr_fname, lwpid);
 538                                 } else {
 539                                         (void) printf(PSINFO_LINE,
 540                                             (int)lwp->li_info.pr_pid, pname,
 541                                             psize, prssize, pstate, ppri, pnice,
 542                                             ptime, pcpu,
 543                                             lwp->li_info.pr_fname, lwpid);
 544                                 }
 545                                 (void) putp(t_eol);
 546                                 (void) putchar('\n');
 547                         }
 548                         if (opts.o_outpmode & OPT_MSACCT) {
 549                                 Format_pct(usr, lwp->li_usr, 4);
 550                                 Format_pct(sys, lwp->li_sys, 4);
 551                                 Format_pct(slp, lwp->li_slp, 4);
 552                                 Format_num(vcx, lwp->li_vcx, 4);
 553                                 Format_num(icx, lwp->li_icx, 4);
 554                                 Format_num(scl, lwp->li_scl, 4);
 555                                 Format_num(sig, lwp->li_sig, 4);
 556                                 Format_pct(trp, lwp->li_trp, 4);
 557                                 Format_pct(tfl, lwp->li_tfl, 4);
 558                                 Format_pct(dfl, lwp->li_dfl, 4);
 559                                 Format_pct(lck, lwp->li_lck, 4);
 560                                 Format_pct(lat, lwp->li_lat, 4);
 561                                 if (opts.o_outpmode & OPT_TTY)
 562                                         (void) putchar('\r');
 563                                 stripfname(lwp->li_info.pr_fname);
 564                                 (void) printf(USAGE_LINE,
 565                                     (int)lwp->li_info.pr_pid, pname,
 566                                     usr, sys, trp, tfl, dfl, lck,
 567                                     slp, lat, vcx, icx, scl, sig,
 568                                     lwp->li_info.pr_fname, lwpid);
 569                                 (void) putp(t_eol);
 570                                 (void) putchar('\n');
 571                         }
 572                         break;
 573                 }
 574         }
 575 
 576         if (opts.o_outpmode & OPT_TTY)
 577                 (void) putchar('\r');
 578         if (opts.o_outpmode & OPT_TERMCAP) {
 579                 switch (list->l_type) {
 580                 case LT_PROJECTS:
 581                 case LT_USERS:
 582                 case LT_TASKS:
 583                 case LT_ZONES:
 584                         while (i++ < opts.o_nbottom) {
 585                                 (void) putp(t_eol);
 586                                 (void) putchar('\n');
 587                         }
 588                         break;
 589                 case LT_LWPS:
 590                         while (i++ < opts.o_ntop) {
 591                                 (void) putp(t_eol);
 592                                 (void) putchar('\n');
 593                         }
 594                 }
 595         }
 596 
 597         if (opts.o_outpmode & OPT_TTY)
 598                 (void) putchar('\r');
 599 
 600         if ((opts.o_outpmode & OPT_SPLIT) && list->l_type == LT_LWPS)
 601                 return;
 602 
 603         (void) printf(TOTAL_LINE, total_procs, total_lwps,
 604             loadavg[LOADAVG_1MIN], loadavg[LOADAVG_5MIN],
 605             loadavg[LOADAVG_15MIN]);
 606         (void) putp(t_eol);
 607         (void) putchar('\n');
 608         if (opts.o_outpmode & OPT_TTY)
 609                 (void) putchar('\r');
 610         (void) putp(t_eol);
 611         (void) fflush(stdout);
 612 }
 613 
 614 static lwp_info_t *
 615 list_add_lwp(list_t *list, pid_t pid, id_t lwpid)
 616 {
 617         lwp_info_t *lwp;
 618 
 619         if (list->l_head == NULL) {
 620                 list->l_head = list->l_tail = lwp = Zalloc(sizeof (lwp_info_t));
 621         } else {
 622                 lwp = Zalloc(sizeof (lwp_info_t));
 623                 lwp->li_prev = list->l_tail;
 624                 ((lwp_info_t *)list->l_tail)->li_next = lwp;
 625                 list->l_tail = lwp;
 626         }
 627         lwp->li_info.pr_pid = pid;
 628         lwp->li_info.pr_lwp.pr_lwpid = lwpid;
 629         lwpid_add(lwp, pid, lwpid);
 630         list->l_count++;
 631         return (lwp);
 632 }
 633 
 634 static void
 635 list_remove_lwp(list_t *list, lwp_info_t *lwp)
 636 {
 637         if (lwp->li_prev)
 638                 lwp->li_prev->li_next = lwp->li_next;
 639         else
 640                 list->l_head = lwp->li_next;      /* removing the head */
 641         if (lwp->li_next)
 642                 lwp->li_next->li_prev = lwp->li_prev;
 643         else
 644                 list->l_tail = lwp->li_prev;      /* removing the tail */
 645         lwpid_del(lwp->li_info.pr_pid, lwp->li_info.pr_lwp.pr_lwpid);
 646         if (lwpid_pidcheck(lwp->li_info.pr_pid) == 0)
 647                 fds_rm(lwp->li_info.pr_pid);
 648         list->l_count--;
 649         free(lwp);
 650 }
 651 
 652 static void
 653 list_clear(list_t *list)
 654 {
 655         if (list->l_type == LT_LWPS) {
 656                 lwp_info_t      *lwp = list->l_tail;
 657                 lwp_info_t      *lwp_tmp;
 658 
 659                 fd_closeall();
 660                 while (lwp) {
 661                         lwp_tmp = lwp;
 662                         lwp = lwp->li_prev;
 663                         list_remove_lwp(&lwps, lwp_tmp);
 664                 }
 665         } else {
 666                 id_info_t *id = list->l_head;
 667                 id_info_t *nextid;
 668 
 669                 while (id) {
 670                         nextid = id->id_next;
 671                         free(id);
 672                         id = nextid;
 673                 }
 674                 list->l_count = 0;
 675                 list->l_head = list->l_tail = NULL;
 676         }
 677 }
 678 
 679 static void
 680 list_update(list_t *list, lwp_info_t *lwp)
 681 {
 682         id_info_t *id;
 683 
 684         if (list->l_head == NULL) {                  /* first element */
 685                 list->l_head = list->l_tail = id = Zalloc(sizeof (id_info_t));
 686                 goto update;
 687         }
 688 
 689         for (id = list->l_head; id; id = id->id_next) {
 690                 if ((list->l_type == LT_USERS) &&
 691                     (id->id_uid != lwp->li_info.pr_uid))
 692                         continue;
 693                 if ((list->l_type == LT_TASKS) &&
 694                     (id->id_taskid != lwp->li_info.pr_taskid))
 695                         continue;
 696                 if ((list->l_type == LT_PROJECTS) &&
 697                     (id->id_projid != lwp->li_info.pr_projid))
 698                         continue;
 699                 if ((list->l_type == LT_ZONES) &&
 700                     (id->id_zoneid != lwp->li_info.pr_zoneid))
 701                         continue;
 702                 if ((list->l_type == LT_LGRPS) &&
 703                     (id->id_lgroup != lwp->li_info.pr_lwp.pr_lgrp))
 704                         continue;
 705                 id->id_nproc++;
 706                 id->id_taskid        = lwp->li_info.pr_taskid;
 707                 id->id_projid        = lwp->li_info.pr_projid;
 708                 id->id_zoneid        = lwp->li_info.pr_zoneid;
 709                 id->id_lgroup        = lwp->li_info.pr_lwp.pr_lgrp;
 710 
 711                 if (lwp->li_flags & LWP_REPRESENT) {
 712                         id->id_size  += lwp->li_info.pr_size;
 713                         id->id_rssize        += lwp->li_info.pr_rssize;
 714                 }
 715                 id->id_pctcpu        += FRC2PCT(lwp->li_info.pr_lwp.pr_pctcpu);
 716                 if (opts.o_outpmode & OPT_LWPS)
 717                         id->id_time += TIME2SEC(lwp->li_info.pr_lwp.pr_time);
 718                 else
 719                         id->id_time += TIME2SEC(lwp->li_info.pr_time);
 720                 id->id_pctmem        += FRC2PCT(lwp->li_info.pr_pctmem);
 721                 id->id_key   += lwp->li_key;
 722                 total_cpu       += FRC2PCT(lwp->li_info.pr_lwp.pr_pctcpu);
 723                 total_mem       += FRC2PCT(lwp->li_info.pr_pctmem);
 724                 return;
 725         }
 726 
 727         id = list->l_tail;
 728         id->id_next = Zalloc(sizeof (id_info_t));
 729         id->id_next->id_prev = list->l_tail;
 730         id->id_next->id_next = NULL;
 731         list->l_tail = id->id_next;
 732         id = list->l_tail;
 733 update:
 734         id->id_uid   = lwp->li_info.pr_uid;
 735         id->id_projid        = lwp->li_info.pr_projid;
 736         id->id_taskid        = lwp->li_info.pr_taskid;
 737         id->id_zoneid        = lwp->li_info.pr_zoneid;
 738         id->id_lgroup        = lwp->li_info.pr_lwp.pr_lgrp;
 739         id->id_nproc++;
 740         id->id_sizematch = B_FALSE;
 741         if (lwp->li_flags & LWP_REPRESENT) {
 742                 id->id_size  = lwp->li_info.pr_size;
 743                 id->id_rssize        = lwp->li_info.pr_rssize;
 744         }
 745         id->id_pctcpu        = FRC2PCT(lwp->li_info.pr_lwp.pr_pctcpu);
 746         if (opts.o_outpmode & OPT_LWPS)
 747                 id->id_time = TIME2SEC(lwp->li_info.pr_lwp.pr_time);
 748         else
 749                 id->id_time = TIME2SEC(lwp->li_info.pr_time);
 750         id->id_pctmem        = FRC2PCT(lwp->li_info.pr_pctmem);
 751         id->id_key   = lwp->li_key;
 752         total_cpu       += id->id_pctcpu;
 753         total_mem       += id->id_pctmem;
 754         list->l_count++;
 755 }
 756 
 757 static void
 758 lwp_update(lwp_info_t *lwp, pid_t pid, id_t lwpid, struct prusage *usage)
 759 {
 760         float period;
 761 
 762         if (!lwpid_is_active(pid, lwpid)) {
 763                 /*
 764                  * If we are reading cpu times for the first time then
 765                  * calculate average cpu times based on whole process
 766                  * execution time.
 767                  */
 768                 (void) memcpy(&lwp->li_usage, usage, sizeof (prusage_t));
 769                 period = TIME2NSEC(usage->pr_rtime);
 770                 period = period/(float)100;
 771 
 772                 if (period == 0) { /* zombie */
 773                         period = 1;
 774                         lwp->li_usr = 0;
 775                         lwp->li_sys = 0;
 776                         lwp->li_slp = 0;
 777                 } else {
 778                         lwp->li_usr = TIME2NSEC(usage->pr_utime)/period;
 779                         lwp->li_sys = TIME2NSEC(usage->pr_stime)/period;
 780                         lwp->li_slp = TIME2NSEC(usage->pr_slptime)/period;
 781                 }
 782                 lwp->li_trp = TIME2NSEC(usage->pr_ttime)/period;
 783                 lwp->li_tfl = TIME2NSEC(usage->pr_tftime)/period;
 784                 lwp->li_dfl = TIME2NSEC(usage->pr_dftime)/period;
 785                 lwp->li_lck = TIME2NSEC(usage->pr_ltime)/period;
 786                 lwp->li_lat = TIME2NSEC(usage->pr_wtime)/period;
 787                 period = (period / NANOSEC)*(float)100; /* now in seconds */
 788                 lwp->li_vcx = (ulong_t)
 789                     (opts.o_interval * (usage->pr_vctx/period));
 790                 lwp->li_icx = (ulong_t)
 791                     (opts.o_interval * (usage->pr_ictx/period));
 792                 lwp->li_scl = (ulong_t)
 793                     (opts.o_interval * (usage->pr_sysc/period));
 794                 lwp->li_sig = (ulong_t)
 795                     (opts.o_interval * (usage->pr_sigs/period));
 796                 (void) lwpid_set_active(pid, lwpid);
 797         } else {
 798                 /*
 799                  * If this is not a first time we are reading a process's
 800                  * CPU times then recalculate CPU times based on fresh data
 801                  * obtained from procfs and previous CPU time usage values.
 802                  */
 803                 period = TIME2NSEC(usage->pr_rtime)-
 804                     TIME2NSEC(lwp->li_usage.pr_rtime);
 805                 period = period/(float)100;
 806 
 807                 if (period == 0) { /* zombie */
 808                         period = 1;
 809                         lwp->li_usr = 0;
 810                         lwp->li_sys = 0;
 811                         lwp->li_slp = 0;
 812                 } else {
 813                         lwp->li_usr = (TIME2NSEC(usage->pr_utime)-
 814                             TIME2NSEC(lwp->li_usage.pr_utime))/period;
 815                         lwp->li_sys = (TIME2NSEC(usage->pr_stime) -
 816                             TIME2NSEC(lwp->li_usage.pr_stime))/period;
 817                         lwp->li_slp = (TIME2NSEC(usage->pr_slptime) -
 818                             TIME2NSEC(lwp->li_usage.pr_slptime))/period;
 819                 }
 820                 lwp->li_trp = (TIME2NSEC(usage->pr_ttime) -
 821                     TIME2NSEC(lwp->li_usage.pr_ttime))/period;
 822                 lwp->li_tfl = (TIME2NSEC(usage->pr_tftime) -
 823                     TIME2NSEC(lwp->li_usage.pr_tftime))/period;
 824                 lwp->li_dfl = (TIME2NSEC(usage->pr_dftime) -
 825                     TIME2NSEC(lwp->li_usage.pr_dftime))/period;
 826                 lwp->li_lck = (TIME2NSEC(usage->pr_ltime) -
 827                     TIME2NSEC(lwp->li_usage.pr_ltime))/period;
 828                 lwp->li_lat = (TIME2NSEC(usage->pr_wtime) -
 829                     TIME2NSEC(lwp->li_usage.pr_wtime))/period;
 830                 lwp->li_vcx = usage->pr_vctx - lwp->li_usage.pr_vctx;
 831                 lwp->li_icx = usage->pr_ictx - lwp->li_usage.pr_ictx;
 832                 lwp->li_scl = usage->pr_sysc - lwp->li_usage.pr_sysc;
 833                 lwp->li_sig = usage->pr_sigs - lwp->li_usage.pr_sigs;
 834                 (void) memcpy(&lwp->li_usage, usage, sizeof (prusage_t));
 835         }
 836 }
 837 
 838 static int
 839 read_procfile(fd_t **fd, char *pidstr, char *file, void *buf, size_t bufsize)
 840 {
 841         char procfile[MAX_PROCFS_PATH];
 842 
 843         (void) snprintf(procfile, MAX_PROCFS_PATH,
 844             "/proc/%s/%s", pidstr, file);
 845         if ((*fd = fd_open(procfile, O_RDONLY, *fd)) == NULL)
 846                 return (1);
 847         if (pread(fd_getfd(*fd), buf, bufsize, 0) != bufsize) {
 848                 fd_close(*fd);
 849                 return (1);
 850         }
 851         return (0);
 852 }
 853 
 854 static void
 855 add_proc(psinfo_t *psinfo)
 856 {
 857         lwp_info_t *lwp;
 858         id_t lwpid;
 859         pid_t pid = psinfo->pr_pid;
 860 
 861         lwpid = psinfo->pr_lwp.pr_lwpid;
 862         if ((lwp = lwpid_get(pid, lwpid)) == NULL)
 863                 lwp = list_add_lwp(&lwps, pid, lwpid);
 864         lwp->li_flags |= LWP_ALIVE | LWP_REPRESENT;
 865         (void) memcpy(&lwp->li_info, psinfo, sizeof (psinfo_t));
 866         lwp->li_info.pr_lwp.pr_pctcpu = lwp->li_info.pr_pctcpu;
 867 }
 868 
 869 static void
 870 add_lwp(psinfo_t *psinfo, lwpsinfo_t *lwpsinfo, int flags)
 871 {
 872         lwp_info_t *lwp;
 873         pid_t pid = psinfo->pr_pid;
 874         id_t lwpid = lwpsinfo->pr_lwpid;
 875 
 876         if ((lwp = lwpid_get(pid, lwpid)) == NULL)
 877                 lwp = list_add_lwp(&lwps, pid, lwpid);
 878         lwp->li_flags &= ~LWP_REPRESENT;
 879         lwp->li_flags |= LWP_ALIVE;
 880         lwp->li_flags |= flags;
 881         (void) memcpy(&lwp->li_info, psinfo,
 882             sizeof (psinfo_t) - sizeof (lwpsinfo_t));
 883         (void) memcpy(&lwp->li_info.pr_lwp, lwpsinfo, sizeof (lwpsinfo_t));
 884 }
 885 
 886 static void
 887 prstat_scandir(DIR *procdir)
 888 {
 889         char *pidstr;
 890         pid_t pid;
 891         id_t lwpid;
 892         size_t entsz;
 893         long nlwps, nent, i;
 894         char *buf, *ptr;
 895 
 896         fds_t *fds;
 897         lwp_info_t *lwp;
 898         dirent_t *direntp;
 899 
 900         prheader_t      header;
 901         psinfo_t        psinfo;
 902         prusage_t       usage;
 903         lwpsinfo_t      *lwpsinfo;
 904         prusage_t       *lwpusage;
 905 
 906         total_procs = 0;
 907         total_lwps = 0;
 908         total_cpu = 0;
 909         total_mem = 0;
 910 
 911         convert_zone(&zone_tbl);
 912         for (rewinddir(procdir); (direntp = readdir(procdir)); ) {
 913                 pidstr = direntp->d_name;
 914                 if (pidstr[0] == '.')   /* skip "." and ".."  */
 915                         continue;
 916                 pid = atoi(pidstr);
 917                 if (pid == 0 || pid == 2 || pid == 3)
 918                         continue;       /* skip sched, pageout and fsflush */
 919                 if (has_element(&pid_tbl, pid) == 0)
 920                         continue;       /* check if we really want this pid */
 921                 fds = fds_get(pid);     /* get ptr to file descriptors */
 922 
 923                 if (read_procfile(&fds->fds_psinfo, pidstr,
 924                     "psinfo", &psinfo, sizeof (psinfo_t)) != 0)
 925                         continue;
 926                 if (!has_uid(&ruid_tbl, psinfo.pr_uid) ||
 927                     !has_uid(&euid_tbl, psinfo.pr_euid) ||
 928                     !has_element(&prj_tbl, psinfo.pr_projid) ||
 929                     !has_element(&tsk_tbl, psinfo.pr_taskid) ||
 930                     !has_zone(&zone_tbl, psinfo.pr_zoneid)) {
 931                         fd_close(fds->fds_psinfo);
 932                         continue;
 933                 }
 934                 nlwps = psinfo.pr_nlwp + psinfo.pr_nzomb;
 935 
 936                 if (nlwps > 1 && (opts.o_outpmode & (OPT_LWPS | OPT_PSETS))) {
 937                         int rep_lwp = 0;
 938 
 939                         if (read_procfile(&fds->fds_lpsinfo, pidstr, "lpsinfo",
 940                             &header, sizeof (prheader_t)) != 0) {
 941                                 fd_close(fds->fds_psinfo);
 942                                 continue;
 943                         }
 944 
 945                         nent = header.pr_nent;
 946                         entsz = header.pr_entsize * nent;
 947                         ptr = buf = Malloc(entsz);
 948                         if (pread(fd_getfd(fds->fds_lpsinfo), buf,
 949                             entsz, sizeof (struct prheader)) != entsz) {
 950                                 fd_close(fds->fds_lpsinfo);
 951                                 fd_close(fds->fds_psinfo);
 952                                 free(buf);
 953                                 continue;
 954                         }
 955 
 956                         nlwps = 0;
 957                         for (i = 0; i < nent; i++, ptr += header.pr_entsize) {
 958                                 /*LINTED ALIGNMENT*/
 959                                 lwpsinfo = (lwpsinfo_t *)ptr;
 960                                 if (!has_element(&cpu_tbl,
 961                                     lwpsinfo->pr_onpro) ||
 962                                     !has_element(&set_tbl,
 963                                     lwpsinfo->pr_bindpset) ||
 964                                     !has_element(&lgr_tbl, lwpsinfo->pr_lgrp))
 965                                         continue;
 966                                 nlwps++;
 967                                 if ((opts.o_outpmode & (OPT_PSETS | OPT_LWPS))
 968                                     == OPT_PSETS) {
 969                                         /*
 970                                          * If one of process's LWPs is bound
 971                                          * to a given processor set, report the
 972                                          * whole process.  We may be doing this
 973                                          * a few times but we'll get an accurate
 974                                          * lwp count in return.
 975                                          */
 976                                         add_proc(&psinfo);
 977                                 } else {
 978                                         if (rep_lwp == 0) {
 979                                                 rep_lwp = 1;
 980                                                 add_lwp(&psinfo, lwpsinfo,
 981                                                     LWP_REPRESENT);
 982                                         } else {
 983                                                 add_lwp(&psinfo, lwpsinfo, 0);
 984                                         }
 985                                 }
 986                         }
 987                         free(buf);
 988                         if (nlwps == 0) {
 989                                 fd_close(fds->fds_lpsinfo);
 990                                 fd_close(fds->fds_psinfo);
 991                                 continue;
 992                         }
 993                 } else {
 994                         if (!has_element(&cpu_tbl, psinfo.pr_lwp.pr_onpro) ||
 995                             !has_element(&set_tbl, psinfo.pr_lwp.pr_bindpset) ||
 996                             !has_element(&lgr_tbl, psinfo.pr_lwp.pr_lgrp)) {
 997                                 fd_close(fds->fds_psinfo);
 998                                 continue;
 999                         }
1000                         add_proc(&psinfo);
1001                 }
1002                 if (!(opts.o_outpmode & OPT_MSACCT)) {
1003                         total_procs++;
1004                         total_lwps += nlwps;
1005                         continue;
1006                 }
1007                 /*
1008                  * Get more information about processes from /proc/pid/usage.
1009                  * If process has more than one lwp, then we may have to
1010                  * also look at the /proc/pid/lusage file.
1011                  */
1012                 if ((opts.o_outpmode & OPT_LWPS) && (nlwps > 1)) {
1013                         if (read_procfile(&fds->fds_lusage, pidstr, "lusage",
1014                             &header, sizeof (prheader_t)) != 0) {
1015                                 fd_close(fds->fds_lpsinfo);
1016                                 fd_close(fds->fds_psinfo);
1017                                 continue;
1018                         }
1019                         nent = header.pr_nent;
1020                         entsz = header.pr_entsize * nent;
1021                         buf = Malloc(entsz);
1022                         if (pread(fd_getfd(fds->fds_lusage), buf,
1023                             entsz, sizeof (struct prheader)) != entsz) {
1024                                 fd_close(fds->fds_lusage);
1025                                 fd_close(fds->fds_lpsinfo);
1026                                 fd_close(fds->fds_psinfo);
1027                                 free(buf);
1028                                 continue;
1029                         }
1030                         for (i = 1, ptr = buf + header.pr_entsize; i < nent;
1031                             i++, ptr += header.pr_entsize) {
1032                                 /*LINTED ALIGNMENT*/
1033                                 lwpusage = (prusage_t *)ptr;
1034                                 lwpid = lwpusage->pr_lwpid;
1035                                 /*
1036                                  * New LWPs created after we read lpsinfo
1037                                  * will be ignored.  Don't want to do
1038                                  * everything all over again.
1039                                  */
1040                                 if ((lwp = lwpid_get(pid, lwpid)) == NULL)
1041                                         continue;
1042                                 lwp_update(lwp, pid, lwpid, lwpusage);
1043                         }
1044                         free(buf);
1045                 } else {
1046                         if (read_procfile(&fds->fds_usage, pidstr, "usage",
1047                             &usage, sizeof (prusage_t)) != 0) {
1048                                 fd_close(fds->fds_lpsinfo);
1049                                 fd_close(fds->fds_psinfo);
1050                                 continue;
1051                         }
1052                         lwpid = psinfo.pr_lwp.pr_lwpid;
1053                         if ((lwp = lwpid_get(pid, lwpid)) == NULL)
1054                                 continue;
1055                         lwp_update(lwp, pid, lwpid, &usage);
1056                 }
1057                 total_procs++;
1058                 total_lwps += nlwps;
1059         }
1060         fd_update();
1061 }
1062 
1063 /*
1064  * This procedure removes all dead lwps from the linked list of all lwps.
1065  * It also creates linked list of ids if necessary.
1066  */
1067 static void
1068 list_refresh(list_t *list)
1069 {
1070         lwp_info_t *lwp, *lwp_next;
1071 
1072         if (!(list->l_type & LT_LWPS))
1073                 return;
1074 
1075         for (lwp = list->l_head; lwp != NULL; ) {
1076                 if (lwp->li_flags & LWP_ALIVE) {
1077                         /*
1078                          * Process all live LWPs.
1079                          * When we're done, mark them as dead.
1080                          * They will be marked "alive" on the next
1081                          * /proc scan if they still exist.
1082                          */
1083                         lwp->li_key = list_getkeyval(list, lwp);
1084                         if (opts.o_outpmode & OPT_USERS)
1085                                 list_update(&users, lwp);
1086                         if (opts.o_outpmode & OPT_TASKS)
1087                                 list_update(&tasks, lwp);
1088                         if (opts.o_outpmode & OPT_PROJECTS)
1089                                 list_update(&projects, lwp);
1090                         if (opts.o_outpmode & OPT_ZONES)
1091                                 list_update(&zones, lwp);
1092                         if (opts.o_outpmode & OPT_LGRP)
1093                                 list_update(&lgroups, lwp);
1094                         lwp->li_flags &= ~LWP_ALIVE;
1095                         lwp = lwp->li_next;
1096 
1097                 } else {
1098                         lwp_next = lwp->li_next;
1099                         list_remove_lwp(&lwps, lwp);
1100                         lwp = lwp_next;
1101                 }
1102         }
1103 }
1104 
1105 static void
1106 curses_on()
1107 {
1108         if ((opts.o_outpmode & OPT_TERMCAP) && (is_curses_on == FALSE)) {
1109                 (void) initscr();
1110                 (void) nonl();
1111                 (void) putp(t_smcup);
1112                 is_curses_on = TRUE;
1113         }
1114 }
1115 
1116 static void
1117 curses_off()
1118 {
1119         if ((is_curses_on == TRUE) && (opts.o_outpmode & OPT_TERMCAP)) {
1120                 (void) putp(t_rmcup);
1121                 (void) endwin();
1122                 is_curses_on = FALSE;
1123         }
1124         (void) fflush(stdout);
1125 }
1126 
1127 static int
1128 nlines()
1129 {
1130         struct winsize ws;
1131         char *envp;
1132         int n;
1133         if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) != -1) {
1134                 if (ws.ws_row > 0)
1135                         return (ws.ws_row);
1136         }
1137         if (envp = getenv("LINES")) {
1138                 if ((n = Atoi(envp)) > 0) {
1139                         opts.o_outpmode &= ~OPT_USEHOME;
1140                         return (n);
1141                 }
1142         }
1143         return (-1);
1144 }
1145 
1146 static void
1147 setmovecur()
1148 {
1149         int i, n;
1150         if ((opts.o_outpmode & OPT_FULLSCREEN) &&
1151             (opts.o_outpmode & OPT_USEHOME)) {
1152                 movecur = t_home;
1153                 return;
1154         }
1155         if (opts.o_outpmode & OPT_SPLIT) {
1156                 if (opts.o_ntop == 0)
1157                         n = opts.o_nbottom + 1;
1158                 else
1159                         n = opts.o_ntop + opts.o_nbottom + 2;
1160         } else {
1161                 if (opts.o_outpmode & OPT_USERS)
1162                         n = opts.o_nbottom + 1;
1163                 else
1164                         n = opts.o_ntop + 1;
1165         }
1166         if (((opts.o_outpmode & OPT_UDATE) || (opts.o_outpmode & OPT_DDATE)))
1167                 n++;
1168 
1169         if (movecur != NULL && movecur != empty_string && movecur != t_home)
1170                 free(movecur);
1171         movecur = Zalloc(strlen(t_up) * (n + 5));
1172         for (i = 0; i <= n; i++)
1173                 (void) strcat(movecur, t_up);
1174 }
1175 
1176 static int
1177 setsize()
1178 {
1179         static int oldn = 0;
1180         int n;
1181 
1182         if (opts.o_outpmode & OPT_FULLSCREEN) {
1183                 n = nlines();
1184                 if (n == oldn)
1185                         return (0);
1186                 oldn = n;
1187                 if (n == -1) {
1188                         opts.o_outpmode &= ~OPT_USEHOME;
1189                         setmovecur();           /* set default window size */
1190                         return (1);
1191                 }
1192                 n = n - 3;      /* minus header, total and cursor lines */
1193                 if ((opts.o_outpmode & OPT_UDATE) ||
1194                     (opts.o_outpmode & OPT_DDATE))
1195                         n--;    /* minus timestamp */
1196                 if (n < 1)
1197                         Die(gettext("window is too small (try -n)\n"));
1198                 if (opts.o_outpmode & OPT_SPLIT) {
1199                         if (n < 8) {
1200                                 Die(gettext("window is too small (try -n)\n"));
1201                         } else {
1202                                 opts.o_ntop = (n / 4) * 3;
1203                                 opts.o_nbottom = n - 1 - opts.o_ntop;
1204                         }
1205                 } else {
1206                         if (opts.o_outpmode & OPT_USERS)
1207                                 opts.o_nbottom = n;
1208                         else
1209                                 opts.o_ntop = n;
1210                 }
1211         }
1212         setmovecur();
1213         return (1);
1214 }
1215 
1216 static void
1217 ldtermcap()
1218 {
1219         int err;
1220         if (setupterm(NULL, STDIN_FILENO, &err) == ERR) {
1221                 switch (err) {
1222                 case 0:
1223                         Warn(gettext("failed to load terminal info, "
1224                             "defaulting to -c option\n"));
1225                         break;
1226                 case -1:
1227                         Warn(gettext("terminfo database not found, "
1228                             "defaulting to -c option\n"));
1229                         break;
1230                 default:
1231                         Warn(gettext("failed to initialize terminal, "
1232                             "defaulting to -c option\n"));
1233                 }
1234                 opts.o_outpmode &= ~OPT_TERMCAP;
1235                 t_up = t_eol = t_smcup = t_rmcup = movecur = empty_string;
1236                 t_ulon = t_uloff = empty_string;
1237                 return;
1238         }
1239         t_ulon  = tigetstr("smul");
1240         t_uloff = tigetstr("rmul");
1241         t_up    = tigetstr("cuu1");
1242         t_eol   = tigetstr("el");
1243         t_smcup = tigetstr("smcup");
1244         t_rmcup = tigetstr("rmcup");
1245         t_home  = tigetstr("home");
1246         if ((t_up == (char *)-1) || (t_eol == (char *)-1) ||
1247             (t_smcup == (char *)-1) || (t_rmcup == (char *)-1)) {
1248                 opts.o_outpmode &= ~OPT_TERMCAP;
1249                 t_up = t_eol = t_smcup = t_rmcup = movecur = empty_string;
1250                 return;
1251         }
1252         if (t_up == NULL || t_eol == NULL) {
1253                 opts.o_outpmode &= ~OPT_TERMCAP;
1254                 t_eol = t_up = movecur = empty_string;
1255                 return;
1256         }
1257         if (t_ulon == (char *)-1 || t_uloff == (char *)-1 ||
1258             t_ulon == NULL || t_uloff == NULL) {
1259                 t_ulon = t_uloff = empty_string;  /* can live without it */
1260         }
1261         if (t_smcup == NULL || t_rmcup == NULL)
1262                 t_smcup = t_rmcup = empty_string;
1263         if (t_home == (char *)-1 || t_home == NULL) {
1264                 opts.o_outpmode &= ~OPT_USEHOME;
1265                 t_home = empty_string;
1266         }
1267 }
1268 
1269 static void
1270 sig_handler(int sig)
1271 {
1272         switch (sig) {
1273         case SIGTSTP:   sigtstp = 1;
1274                         break;
1275         case SIGWINCH:  sigwinch = 1;
1276                         break;
1277         case SIGINT:
1278         case SIGTERM:   sigterm = 1;
1279                         break;
1280         }
1281 }
1282 
1283 static void
1284 set_signals()
1285 {
1286         (void) signal(SIGTSTP, sig_handler);
1287         (void) signal(SIGINT, sig_handler);
1288         (void) signal(SIGTERM, sig_handler);
1289         if (opts.o_outpmode & OPT_FULLSCREEN)
1290                 (void) signal(SIGWINCH, sig_handler);
1291 }
1292 
1293 static void
1294 fill_table(table_t *table, char *arg, char option)
1295 {
1296         char *p = strtok(arg, ", ");
1297 
1298         if (p == NULL)
1299                 Die(gettext("invalid argument for -%c\n"), option);
1300 
1301         add_element(table, (long)Atoi(p));
1302         while (p = strtok(NULL, ", "))
1303                 add_element(table, (long)Atoi(p));
1304 }
1305 
1306 static void
1307 fill_prj_table(char *arg)
1308 {
1309         projid_t projid;
1310         char *p = strtok(arg, ", ");
1311 
1312         if (p == NULL)
1313                 Die(gettext("invalid argument for -j\n"));
1314 
1315         if ((projid = getprojidbyname(p)) == -1)
1316                 projid = Atoi(p);
1317         add_element(&prj_tbl, (long)projid);
1318 
1319         while (p = strtok(NULL, ", ")) {
1320                 if ((projid = getprojidbyname(p)) == -1)
1321                         projid = Atoi(p);
1322                 add_element(&prj_tbl, (long)projid);
1323         }
1324 }
1325 
1326 static void
1327 fill_set_table(char *arg)
1328 {
1329         char *p = strtok(arg, ", ");
1330         psetid_t id;
1331 
1332         if (p == NULL)
1333                 Die(gettext("invalid argument for -C\n"));
1334 
1335         if ((id = Atoi(p)) == 0)
1336                 id = PS_NONE;
1337         add_element(&set_tbl, id);
1338         while (p = strtok(NULL, ", ")) {
1339                 if ((id = Atoi(p)) == 0)
1340                         id = PS_NONE;
1341                 if (!has_element(&set_tbl, id))
1342                         add_element(&set_tbl, id);
1343         }
1344 }
1345 
1346 static void
1347 Exit()
1348 {
1349         curses_off();
1350         list_clear(&lwps);
1351         list_clear(&users);
1352         list_clear(&tasks);
1353         list_clear(&projects);
1354         list_clear(&zones);
1355         fd_exit();
1356 }
1357 
1358 
1359 int
1360 main(int argc, char **argv)
1361 {
1362         DIR *procdir;
1363         char *p;
1364         char *sortk = "cpu";    /* default sort key */
1365         int opt;
1366         int timeout;
1367         struct pollfd pollset;
1368         char key;
1369 
1370         (void) setlocale(LC_ALL, "");
1371         (void) textdomain(TEXT_DOMAIN);
1372         Progname(argv[0]);
1373         lwpid_init();
1374         fd_init(Setrlimit());
1375 
1376         pagesize = sysconf(_SC_PAGESIZE);
1377 
1378         while ((opt = getopt(argc, argv,
1379             "vVcd:HmarRLtu:U:n:p:C:P:h:s:S:j:k:TJz:Z")) != (int)EOF) {
1380                 switch (opt) {
1381                 case 'r':
1382                         opts.o_outpmode |= OPT_NORESOLVE;
1383                         break;
1384                 case 'R':
1385                         opts.o_outpmode |= OPT_REALTIME;
1386                         break;
1387                 case 'c':
1388                         opts.o_outpmode &= ~OPT_TERMCAP;
1389                         opts.o_outpmode &= ~OPT_FULLSCREEN;
1390                         break;
1391                 case 'd':
1392                         if (optarg) {
1393                                 if (*optarg == 'u')
1394                                         opts.o_outpmode |= OPT_UDATE;
1395                                 else if (*optarg == 'd')
1396                                         opts.o_outpmode |= OPT_DDATE;
1397                                 else
1398                                         Usage();
1399                         } else {
1400                                 Usage();
1401                         }
1402                         break;
1403                 case 'h':
1404                         fill_table(&lgr_tbl, optarg, 'h');
1405                         break;
1406                 case 'H':
1407                         opts.o_outpmode |= OPT_LGRP;
1408                         break;
1409                 case 'm':
1410                 case 'v':
1411                         opts.o_outpmode &= ~OPT_PSINFO;
1412                         opts.o_outpmode |=  OPT_MSACCT;
1413                         break;
1414                 case 't':
1415                         opts.o_outpmode &= ~OPT_PSINFO;
1416                         opts.o_outpmode |= OPT_USERS;
1417                         break;
1418                 case 'a':
1419                         opts.o_outpmode |= OPT_SPLIT | OPT_USERS;
1420                         break;
1421                 case 'T':
1422                         opts.o_outpmode |= OPT_SPLIT | OPT_TASKS;
1423                         break;
1424                 case 'J':
1425                         opts.o_outpmode |= OPT_SPLIT | OPT_PROJECTS;
1426                         break;
1427                 case 'n':
1428                         if ((p = strtok(optarg, ",")) == NULL)
1429                                 Die(gettext("invalid argument for -n\n"));
1430                         opts.o_ntop = Atoi(p);
1431                         if (p = strtok(NULL, ","))
1432                                 opts.o_nbottom = Atoi(p);
1433                         else if (opts.o_ntop == 0)
1434                                 opts.o_nbottom = 5;
1435                         opts.o_outpmode &= ~OPT_FULLSCREEN;
1436                         break;
1437                 case 's':
1438                         opts.o_sortorder = -1;
1439                         sortk = optarg;
1440                         break;
1441                 case 'S':
1442                         opts.o_sortorder = 1;
1443                         sortk = optarg;
1444                         break;
1445                 case 'u':
1446                         if ((p = strtok(optarg, ", ")) == NULL)
1447                                 Die(gettext("invalid argument for -u\n"));
1448                         add_uid(&euid_tbl, p);
1449                         while (p = strtok(NULL, ", "))
1450                                 add_uid(&euid_tbl, p);
1451                         break;
1452                 case 'U':
1453                         if ((p = strtok(optarg, ", ")) == NULL)
1454                                 Die(gettext("invalid argument for -U\n"));
1455                         add_uid(&ruid_tbl, p);
1456                         while (p = strtok(NULL, ", "))
1457                                 add_uid(&ruid_tbl, p);
1458                         break;
1459                 case 'V':
1460                         opts.o_outpmode |= OPT_VMUSAGE;
1461                         break;
1462                 case 'p':
1463                         fill_table(&pid_tbl, optarg, 'p');
1464                         break;
1465                 case 'C':
1466                         fill_set_table(optarg);
1467                         opts.o_outpmode |= OPT_PSETS;
1468                         break;
1469                 case 'P':
1470                         fill_table(&cpu_tbl, optarg, 'P');
1471                         break;
1472                 case 'k':
1473                         fill_table(&tsk_tbl, optarg, 'k');
1474                         break;
1475                 case 'j':
1476                         fill_prj_table(optarg);
1477                         break;
1478                 case 'L':
1479                         opts.o_outpmode |= OPT_LWPS;
1480                         break;
1481                 case 'z':
1482                         if ((p = strtok(optarg, ", ")) == NULL)
1483                                 Die(gettext("invalid argument for -z\n"));
1484                         add_zone(&zone_tbl, p);
1485                         while (p = strtok(NULL, ", "))
1486                                 add_zone(&zone_tbl, p);
1487                         break;
1488                 case 'Z':
1489                         opts.o_outpmode |= OPT_SPLIT | OPT_ZONES;
1490                         break;
1491                 default:
1492                         Usage();
1493                 }
1494         }
1495 
1496         (void) atexit(Exit);
1497         if ((opts.o_outpmode & OPT_USERS) &&
1498             !(opts.o_outpmode & OPT_SPLIT))
1499                 opts.o_nbottom = opts.o_ntop;
1500         if (!(opts.o_outpmode & OPT_SPLIT) && opts.o_ntop == 0)
1501                 Die(gettext("invalid argument for -n\n"));
1502         if (opts.o_nbottom == 0)
1503                 Die(gettext("invalid argument for -n\n"));
1504         if (!(opts.o_outpmode & OPT_SPLIT) && (opts.o_outpmode & OPT_USERS) &&
1505             ((opts.o_outpmode & (OPT_PSINFO | OPT_MSACCT))))
1506                 Die(gettext("-t option cannot be used with -v or -m\n"));
1507 
1508         if ((opts.o_outpmode & OPT_SPLIT) && (opts.o_outpmode & OPT_USERS) &&
1509             !((opts.o_outpmode & (OPT_PSINFO | OPT_MSACCT))))
1510                 Die(gettext("-t option cannot be used with "
1511                     "-a, -J, -T or -Z\n"));
1512 
1513         if ((opts.o_outpmode & OPT_USERS) &&
1514             (opts.o_outpmode & (OPT_TASKS | OPT_PROJECTS | OPT_ZONES)))
1515                 Die(gettext("-a option cannot be used with "
1516                     "-t, -J, -T or -Z\n"));
1517 
1518         if (((opts.o_outpmode & OPT_TASKS) &&
1519             (opts.o_outpmode & (OPT_PROJECTS|OPT_ZONES))) ||
1520             ((opts.o_outpmode & OPT_PROJECTS) &&
1521             (opts.o_outpmode & (OPT_TASKS|OPT_ZONES)))) {
1522                 Die(gettext(
1523                     "-J, -T and -Z options are mutually exclusive\n"));
1524         }
1525 
1526         /*
1527          * There is not enough space to combine microstate information and
1528          * lgroup information and still fit in 80-column output.
1529          */
1530         if ((opts.o_outpmode & OPT_LGRP) && (opts.o_outpmode & OPT_MSACCT)) {
1531                 Die(gettext("-H and -m options are mutually exclusive\n"));
1532         }
1533 
1534         if (argc > optind)
1535                 opts.o_interval = Atoi(argv[optind++]);
1536         if (argc > optind)
1537                 opts.o_count = Atoi(argv[optind++]);
1538         if (opts.o_count == 0)
1539                 Die(gettext("invalid counter value\n"));
1540         if (argc > optind)
1541                 Usage();
1542         if (opts.o_outpmode & OPT_REALTIME)
1543                 Priocntl("RT");
1544         if (isatty(STDOUT_FILENO) == 1 && isatty(STDIN_FILENO))
1545                 opts.o_outpmode |= OPT_TTY;     /* interactive */
1546         if (!(opts.o_outpmode & OPT_TTY)) {
1547                 opts.o_outpmode &= ~OPT_TERMCAP; /* no termcap for pipes */
1548                 opts.o_outpmode &= ~OPT_FULLSCREEN;
1549         }
1550         if (opts.o_outpmode & OPT_TERMCAP)
1551                 ldtermcap();            /* can turn OPT_TERMCAP off */
1552         if (opts.o_outpmode & OPT_TERMCAP)
1553                 (void) setsize();
1554         list_alloc(&lwps, opts.o_ntop);
1555         list_alloc(&users, opts.o_nbottom);
1556         list_alloc(&tasks, opts.o_nbottom);
1557         list_alloc(&projects, opts.o_nbottom);
1558         list_alloc(&zones, opts.o_nbottom);
1559         list_alloc(&lgroups, opts.o_nbottom);
1560         list_setkeyfunc(sortk, &opts, &lwps, LT_LWPS);
1561         list_setkeyfunc(NULL, &opts, &users, LT_USERS);
1562         list_setkeyfunc(NULL, &opts, &tasks, LT_TASKS);
1563         list_setkeyfunc(NULL, &opts, &projects, LT_PROJECTS);
1564         list_setkeyfunc(NULL, &opts, &zones, LT_ZONES);
1565         list_setkeyfunc(NULL, &opts, &lgroups, LT_LGRPS);
1566         if (opts.o_outpmode & OPT_TERMCAP)
1567                 curses_on();
1568         if ((procdir = opendir("/proc")) == NULL)
1569                 Die(gettext("cannot open /proc directory\n"));
1570         if (opts.o_outpmode & OPT_TTY) {
1571                 (void) printf(gettext("Please wait...\r"));
1572                 if (!(opts.o_outpmode & OPT_TERMCAP))
1573                         (void) putchar('\n');
1574                 (void) fflush(stdout);
1575         }
1576         set_signals();
1577         pollset.fd = STDIN_FILENO;
1578         pollset.events = POLLIN;
1579         timeout = opts.o_interval * MILLISEC;
1580 
1581         /*
1582          * main program loop
1583          */
1584         do {
1585                 if (sigterm == 1)
1586                         break;
1587                 if (sigtstp == 1) {
1588                         curses_off();
1589                         (void) signal(SIGTSTP, SIG_DFL);
1590                         (void) kill(0, SIGTSTP);
1591                         /*
1592                          * prstat stops here until it receives SIGCONT signal.
1593                          */
1594                         sigtstp = 0;
1595                         (void) signal(SIGTSTP, sig_handler);
1596                         curses_on();
1597                         print_movecur = FALSE;
1598                         if (opts.o_outpmode & OPT_FULLSCREEN)
1599                                 sigwinch = 1;
1600                 }
1601                 if (sigwinch == 1) {
1602                         if (setsize() == 1) {
1603                                 list_free(&lwps);
1604                                 list_free(&users);
1605                                 list_free(&tasks);
1606                                 list_free(&projects);
1607                                 list_free(&zones);
1608                                 list_alloc(&lwps, opts.o_ntop);
1609                                 list_alloc(&users, opts.o_nbottom);
1610                                 list_alloc(&tasks, opts.o_nbottom);
1611                                 list_alloc(&projects, opts.o_nbottom);
1612                                 list_alloc(&zones, opts.o_nbottom);
1613                         }
1614                         sigwinch = 0;
1615                         (void) signal(SIGWINCH, sig_handler);
1616                 }
1617                 prstat_scandir(procdir);
1618                 list_refresh(&lwps);
1619                 if (print_movecur)
1620                         (void) putp(movecur);
1621                 print_movecur = TRUE;
1622                 if ((opts.o_outpmode & OPT_PSINFO) ||
1623                     (opts.o_outpmode & OPT_MSACCT)) {
1624                         list_sort(&lwps);
1625                         list_print(&lwps);
1626                 }
1627                 if (opts.o_outpmode & OPT_USERS) {
1628                         list_getsize(&users);
1629                         list_sort(&users);
1630                         list_print(&users);
1631                         list_clear(&users);
1632                 }
1633                 if (opts.o_outpmode & OPT_TASKS) {
1634                         list_getsize(&tasks);
1635                         list_sort(&tasks);
1636                         list_print(&tasks);
1637                         list_clear(&tasks);
1638                 }
1639                 if (opts.o_outpmode & OPT_PROJECTS) {
1640                         list_getsize(&projects);
1641                         list_sort(&projects);
1642                         list_print(&projects);
1643                         list_clear(&projects);
1644                 }
1645                 if (opts.o_outpmode & OPT_ZONES) {
1646                         list_getsize(&zones);
1647                         list_sort(&zones);
1648                         list_print(&zones);
1649                         list_clear(&zones);
1650                 }
1651                 if (opts.o_count == 1)
1652                         break;
1653                 /*
1654                  * If poll() returns -1 and sets errno to EINTR here because
1655                  * the process received a signal, it is Ok to abort this
1656                  * timeout and loop around because we check the signals at the
1657                  * top of the loop.
1658                  */
1659                 if (opts.o_outpmode & OPT_TTY) {
1660                         if (poll(&pollset, (nfds_t)1, timeout) > 0) {
1661                                 if (read(STDIN_FILENO, &key, 1) == 1) {
1662                                         if (tolower(key) == 'q')
1663                                                 break;
1664                                 }
1665                         }
1666                 } else {
1667                         (void) sleep(opts.o_interval);
1668                 }
1669         } while (opts.o_count == (-1) || --opts.o_count);
1670 
1671         if (opts.o_outpmode & OPT_TTY)
1672                 (void) putchar('\r');
1673         return (0);
1674 }