src/processes.c

   1 /**
   2  * collectd - src/processes.c
   3  * Copyright (C) 2005  Lyonel Vincent
   4  * Copyright (C) 2006-2008  Florian Forster (Mach code)
   5  * Copyright (C) 2008  Oleg King
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; either version 2 of the License, or (at your
  10  * option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  20  *
  21  * Authors:
  22  *   Lyonel Vincent <lyonel at ezix.org>
  23  *   Florian octo Forster <octo at verplant.org>
  24  *   Oleg King <king2 at kaluga.ru>
  25  *   Sebastian Harl <sh at tokkee.org>
  26  **/
  27
  28 #include "collectd.h"
  29 #include "common.h"
  30 #include "plugin.h"
  31 #include "configfile.h"
  32
  33 /* Include header files for the mach system, if they exist.. */
  34 #if HAVE_THREAD_INFO
  35 #  if HAVE_MACH_MACH_INIT_H
  36 #    include <mach/mach_init.h>
  37 #  endif
  38 #  if HAVE_MACH_HOST_PRIV_H
  39 #    include <mach/host_priv.h>
  40 #  endif
  41 #  if HAVE_MACH_MACH_ERROR_H
  42 #    include <mach/mach_error.h>
  43 #  endif
  44 #  if HAVE_MACH_MACH_HOST_H
  45 #    include <mach/mach_host.h>
  46 #  endif
  47 #  if HAVE_MACH_MACH_PORT_H
  48 #    include <mach/mach_port.h>
  49 #  endif
  50 #  if HAVE_MACH_MACH_TYPES_H
  51 #    include <mach/mach_types.h>
  52 #  endif
  53 #  if HAVE_MACH_MESSAGE_H
  54 #    include <mach/message.h>
  55 #  endif
  56 #  if HAVE_MACH_PROCESSOR_SET_H
  57 #    include <mach/processor_set.h>
  58 #  endif
  59 #  if HAVE_MACH_TASK_H
  60 #    include <mach/task.h>
  61 #  endif
  62 #  if HAVE_MACH_THREAD_ACT_H
  63 #    include <mach/thread_act.h>
  64 #  endif
  65 #  if HAVE_MACH_VM_REGION_H
  66 #    include <mach/vm_region.h>
  67 #  endif
  68 #  if HAVE_MACH_VM_MAP_H
  69 #    include <mach/vm_map.h>
  70 #  endif
  71 #  if HAVE_MACH_VM_PROT_H
  72 #    include <mach/vm_prot.h>
  73 #  endif
  74 #  if HAVE_SYS_SYSCTL_H
  75 #    include <sys/sysctl.h>
  76 #  endif
  77 /* #endif HAVE_THREAD_INFO */
  78
  79 #elif KERNEL_LINUX
  80 #  if HAVE_LINUX_CONFIG_H
  81 #    include <linux/config.h>
  82 #  endif
  83 #  ifndef CONFIG_HZ
  84 #    define CONFIG_HZ 100
  85 #  endif
  86 #  ifndef ARG_MAX
  87 #    if defined(HAVE_SYSCONF) && HAVE_SYSCONF && defined(_SC_ARG_MAX)
  88 #      define ARG_MAX sysconf(_SC_ARG_MAX)
  89 #    else
  90 #      define ARG_MAX 4096
  91 #    endif
  92 #  endif
  93 /* #endif KERNEL_LINUX */
  94
  95 #elif HAVE_LIBKVM_GETPROCS
  96 #  include <kvm.h>
  97 #  include <sys/user.h>
  98 #  include <sys/proc.h>
  99 #  if HAVE_SYS_SYSCTL_H
 100 #    include <sys/sysctl.h>
 101 #  endif
 102 /* #endif HAVE_LIBKVM_GETPROCS */
 103
 104 #else
 105 # error "No applicable input method."
 106 #endif
 107
 108 #if HAVE_REGEX_H
 109 # include <regex.h>
 110 #endif
 111
 112 #define BUFSIZE 256
 113
 114 static const char *config_keys[] =
 115 {
 116         "Process",
 117         "ProcessMatch"
 118 };
 119 static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
 120
 121 typedef struct procstat_entry_s
 122 {
 123         unsigned long id;
 124         unsigned long age;
 125
 126         unsigned long num_proc;
 127         unsigned long num_lwp;
 128         unsigned long vmem_size;
 129         unsigned long vmem_rss;
 130         unsigned long stack_size;
 131
 132         unsigned long vmem_minflt;
 133         unsigned long vmem_majflt;
 134         unsigned long vmem_minflt_counter;
 135         unsigned long vmem_majflt_counter;
 136
 137         unsigned long cpu_user;
 138         unsigned long cpu_system;
 139         unsigned long cpu_user_counter;
 140         unsigned long cpu_system_counter;
 141
 142         struct procstat_entry_s *next;
 143 } procstat_entry_t;
 144
 145 #define PROCSTAT_NAME_LEN 256
 146 typedef struct procstat
 147 {
 148         char          name[PROCSTAT_NAME_LEN];
 149 #if HAVE_REGEX_H
 150         regex_t *re;
 151 #endif
 152
 153         unsigned long num_proc;
 154         unsigned long num_lwp;
 155         unsigned long vmem_size;
 156         unsigned long vmem_rss;
 157         unsigned long stack_size;
 158
 159         unsigned long vmem_minflt_counter;
 160         unsigned long vmem_majflt_counter;
 161
 162         unsigned long cpu_user_counter;
 163         unsigned long cpu_system_counter;
 164
 165         struct procstat   *next;
 166         struct procstat_entry_s *instances;
 167 } procstat_t;
 168
 169 static procstat_t *list_head_g = NULL;
 170
 171 #if HAVE_THREAD_INFO
 172 static mach_port_t port_host_self;
 173 static mach_port_t port_task_self;
 174
 175 static processor_set_name_array_t pset_list;
 176 static mach_msg_type_number_t     pset_list_len;
 177 /* #endif HAVE_THREAD_INFO */
 178
 179 #elif KERNEL_LINUX
 180 static long pagesize_g;
 181 /* #endif KERNEL_LINUX */
 182
 183 #elif HAVE_LIBKVM_GETPROCS
 184 /* no global variables */
 185 #endif /* HAVE_LIBKVM_GETPROCS */
 186
 187 /* put name of process from config to list_head_g tree
 188    list_head_g is a list of 'procstat_t' structs with
 189    processes names we want to watch */
 190 static void ps_list_register (const char *name, const char *regexp)
 191 {
 192         procstat_t *new;
 193         procstat_t *ptr;
 194         int status;
 195
 196         new = (procstat_t *) malloc (sizeof (procstat_t));
 197         if (new == NULL)
 198         {
 199                 ERROR ("processes plugin: ps_list_register: malloc failed.");
 200                 return;
 201         }
 202         memset (new, 0, sizeof (procstat_t));
 203         sstrncpy (new->name, name, sizeof (new->name));
 204
 205 #if HAVE_REGEX_H
 206         if (regexp != NULL)
 207         {
 208                 DEBUG ("ProcessMatch: adding \"%s\" as criteria to process %s.", regexp, name);
 209                 new->re = (regex_t *) malloc (sizeof (regex_t));
 210                 if (new->re == NULL)
 211                 {
 212                         ERROR ("processes plugin: ps_list_register: malloc failed.");
 213                         sfree (new);
 214                         return;
 215                 }
 216
 217                 status = regcomp (new->re, regexp, REG_EXTENDED | REG_NOSUB);
 218                 if (status != 0)
 219                 {
 220                         DEBUG ("ProcessMatch: compiling the regular expression \"%s\" failed.", regexp);
 221                         sfree(new->re);
 222                         return;
 223                 }
 224         }
 225 #else
 226         if (regexp != NULL)
 227         {
 228                 ERROR ("processes plugin: ps_list_register: "
 229                                 "Regular expression \"%s\" found in config "
 230                                 "file, but support for regular expressions "
 231                                 "has been dispabled at compile time.",
 232                                 regexp);
 233                 sfree (new);
 234                 return;
 235         }
 236 #endif
 237
 238         for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
 239         {
 240                 if (strcmp (ptr->name, name) == 0)
 241                 {
 242                         WARNING ("processes plugin: You have configured more "
 243                                         "than one `Process' or "
 244                                         "`ProcessMatch' with the same name. "
 245                                         "All but the first setting will be "
 246                                         "ignored.");
 247                         sfree (new->re);
 248                         sfree (new);
 249                         return;
 250                 }
 251
 252                 if (ptr->next == NULL)
 253                         break;
 254         }
 255
 256         if (ptr == NULL)
 257                 list_head_g = new;
 258         else
 259                 ptr->next = new;
 260 } /* void ps_list_register */
 261
 262 /* try to match name against entry, returns 1 if success */
 263 static int ps_list_match (const char *name, const char *cmdline, procstat_t *ps)
 264 {
 265 #if HAVE_REGEX_H
 266         if (ps->re != NULL)
 267         {
 268                 int status;
 269                 const char *str;
 270
 271                 str = cmdline;
 272                 if ((str == NULL) || (str[0] == 0))
 273                         str = name;
 274
 275                 assert (str != NULL);
 276
 277                 status = regexec (ps->re, str,
 278                                 /* nmatch = */ 0,
 279                                 /* pmatch = */ NULL,
 280                                 /* eflags = */ 0);
 281                 if (status == 0)
 282                         return (1);
 283         }
 284         else
 285 #endif
 286         if (strcmp (ps->name, name) == 0)
 287                 return (1);
 288
 289         return (0);
 290 } /* int ps_list_match */
 291
 292 /* add process entry to 'instances' of process 'name' (or refresh it) */
 293 static void ps_list_add (const char *name, const char *cmdline, procstat_entry_t *entry)
 294 {
 295         procstat_t *ps;
 296         procstat_entry_t *pse;
 297
 298         if (entry->id == 0)
 299                 return;
 300
 301         for (ps = list_head_g; ps != NULL; ps = ps->next)
 302         {
 303                 if ((ps_list_match (name, cmdline, ps)) == 0)
 304                         continue;
 305
 306                 for (pse = ps->instances; pse != NULL; pse = pse->next)
 307                         if ((pse->id == entry->id) || (pse->next == NULL))
 308                                 break;
 309
 310                 if ((pse == NULL) || (pse->id != entry->id))
 311                 {
 312                         procstat_entry_t *new;
 313
 314                         new = (procstat_entry_t *) malloc (sizeof (procstat_entry_t));
 315                         if (new == NULL)
 316                                 return;
 317                         memset (new, 0, sizeof (procstat_entry_t));
 318                         new->id = entry->id;
 319
 320                         if (pse == NULL)
 321                                 ps->instances = new;
 322                         else
 323                                 pse->next = new;
 324
 325                         pse = new;
 326                 }
 327
 328                 pse->age = 0;
 329                 pse->num_proc   = entry->num_proc;
 330                 pse->num_lwp    = entry->num_lwp;
 331                 pse->vmem_size  = entry->vmem_size;
 332                 pse->vmem_rss   = entry->vmem_rss;
 333                 pse->stack_size = entry->stack_size;
 334
 335                 ps->num_proc   += pse->num_proc;
 336                 ps->num_lwp    += pse->num_lwp;
 337                 ps->vmem_size  += pse->vmem_size;
 338                 ps->vmem_rss   += pse->vmem_rss;
 339                 ps->stack_size += pse->stack_size;
 340
 341                 if ((entry->vmem_minflt_counter == 0)
 342                                 && (entry->vmem_majflt_counter == 0))
 343                 {
 344                         pse->vmem_minflt_counter += entry->vmem_minflt;
 345                         pse->vmem_minflt = entry->vmem_minflt;
 346
 347                         pse->vmem_majflt_counter += entry->vmem_majflt;
 348                         pse->vmem_majflt = entry->vmem_majflt;
 349                 }
 350                 else
 351                 {
 352                         if (entry->vmem_minflt_counter < pse->vmem_minflt_counter)
 353                         {
 354                                 pse->vmem_minflt = entry->vmem_minflt_counter
 355                                         + (ULONG_MAX - pse->vmem_minflt_counter);
 356                         }
 357                         else
 358                         {
 359                                 pse->vmem_minflt = entry->vmem_minflt_counter - pse->vmem_minflt_counter;
 360                         }
 361                         pse->vmem_minflt_counter = entry->vmem_minflt_counter;
 362
 363                         if (entry->vmem_majflt_counter < pse->vmem_majflt_counter)
 364                         {
 365                                 pse->vmem_majflt = entry->vmem_majflt_counter
 366                                         + (ULONG_MAX - pse->vmem_majflt_counter);
 367                         }
 368                         else
 369                         {
 370                                 pse->vmem_majflt = entry->vmem_majflt_counter - pse->vmem_majflt_counter;
 371                         }
 372                         pse->vmem_majflt_counter = entry->vmem_majflt_counter;
 373                 }
 374
 375                 ps->vmem_minflt_counter += pse->vmem_minflt;
 376                 ps->vmem_majflt_counter += pse->vmem_majflt;
 377
 378                 if ((entry->cpu_user_counter == 0)
 379                                 && (entry->cpu_system_counter == 0))
 380                 {
 381                         pse->cpu_user_counter += entry->cpu_user;
 382                         pse->cpu_user = entry->cpu_user;
 383
 384                         pse->cpu_system_counter += entry->cpu_system;
 385                         pse->cpu_system = entry->cpu_system;
 386                 }
 387                 else
 388                 {
 389                         if (entry->cpu_user_counter < pse->cpu_user_counter)
 390                         {
 391                                 pse->cpu_user = entry->cpu_user_counter
 392                                         + (ULONG_MAX - pse->cpu_user_counter);
 393                         }
 394                         else
 395                         {
 396                                 pse->cpu_user = entry->cpu_user_counter - pse->cpu_user_counter;
 397                         }
 398                         pse->cpu_user_counter = entry->cpu_user_counter;
 399
 400                         if (entry->cpu_system_counter < pse->cpu_system_counter)
 401                         {
 402                                 pse->cpu_system = entry->cpu_system_counter
 403                                         + (ULONG_MAX - pse->cpu_system_counter);
 404                         }
 405                         else
 406                         {
 407                                 pse->cpu_system = entry->cpu_system_counter - pse->cpu_system_counter;
 408                         }
 409                         pse->cpu_system_counter = entry->cpu_system_counter;
 410                 }
 411
 412                 ps->cpu_user_counter   += pse->cpu_user;
 413                 ps->cpu_system_counter += pse->cpu_system;
 414         }
 415 }
 416
 417 /* remove old entries from instances of processes in list_head_g */
 418 static void ps_list_reset (void)
 419 {
 420         procstat_t *ps;
 421         procstat_entry_t *pse;
 422         procstat_entry_t *pse_prev;
 423
 424         for (ps = list_head_g; ps != NULL; ps = ps->next)
 425         {
 426                 ps->num_proc    = 0;
 427                 ps->num_lwp     = 0;
 428                 ps->vmem_size   = 0;
 429                 ps->vmem_rss    = 0;
 430                 ps->stack_size  = 0;
 431
 432                 pse_prev = NULL;
 433                 pse = ps->instances;
 434                 while (pse != NULL)
 435                 {
 436                         if (pse->age > 10)
 437                         {
 438                                 DEBUG ("Removing this procstat entry cause it's too old: "
 439                                                 "id = %lu; name = %s;",
 440                                                 pse->id, ps->name);
 441
 442                                 if (pse_prev == NULL)
 443                                 {
 444                                         ps->instances = pse->next;
 445                                         free (pse);
 446                                         pse = ps->instances;
 447                                 }
 448                                 else
 449                                 {
 450                                         pse_prev->next = pse->next;
 451                                         free (pse);
 452                                         pse = pse_prev->next;
 453                                 }
 454                         }
 455                         else
 456                         {
 457                                 pse->age++;
 458                                 pse_prev = pse;
 459                                 pse = pse->next;
 460                         }
 461                 } /* while (pse != NULL) */
 462         } /* for (ps = list_head_g; ps != NULL; ps = ps->next) */
 463 }
 464
 465 /* put all pre-defined 'Process' names from config to list_head_g tree */
 466 static int ps_config (const char *key, const char *value)
 467 {
 468         if (strcasecmp (key, "Process") == 0)
 469         {
 470                 ps_list_register (value, NULL);
 471         }
 472         else if (strcasecmp (key, "ProcessMatch") == 0)
 473         {
 474                 char *new_val;
 475                 char *fields[3];
 476                 int fields_num;
 477
 478                 new_val = strdup (value);
 479                 if (new_val == NULL) {
 480                         ERROR ("processes plugin: strdup failed when processing "
 481                                         "`ProcessMatch %s'.", value);
 482                         return (1);
 483                 }
 484
 485                 fields_num = strsplit (new_val, fields,
 486                                 STATIC_ARRAY_SIZE (fields));
 487                 if (fields_num != 2)
 488                 {
 489                         ERROR ("processes plugin: `ProcessMatch' needs exactly "
 490                                         "two string arguments.");
 491                         sfree (new_val);
 492                         return (1);
 493                 }
 494                 ps_list_register (fields[0], fields[1]);
 495                 sfree (new_val);
 496         }
 497         else
 498         {
 499                 ERROR ("processes plugin: The `%s' configuration option is not "
 500                                 "understood and will be ignored.", key);
 501                 return (-1);
 502         }
 503
 504         return (0);
 505 }
 506
 507 static int ps_init (void)
 508 {
 509 #if HAVE_THREAD_INFO
 510         kern_return_t status;
 511
 512         port_host_self = mach_host_self ();
 513         port_task_self = mach_task_self ();
 514
 515         if (pset_list != NULL)
 516         {
 517                 vm_deallocate (port_task_self,
 518                                 (vm_address_t) pset_list,
 519                                 pset_list_len * sizeof (processor_set_t));
 520                 pset_list = NULL;
 521                 pset_list_len = 0;
 522         }
 523
 524         if ((status = host_processor_sets (port_host_self,
 525                                         &pset_list,
 526                                         &pset_list_len)) != KERN_SUCCESS)
 527         {
 528                 ERROR ("host_processor_sets failed: %s\n",
 529                                 mach_error_string (status));
 530                 pset_list = NULL;
 531                 pset_list_len = 0;
 532                 return (-1);
 533         }
 534 /* #endif HAVE_THREAD_INFO */
 535
 536 #elif KERNEL_LINUX
 537         pagesize_g = sysconf(_SC_PAGESIZE);
 538         DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
 539                         pagesize_g, CONFIG_HZ);
 540 /* #endif KERNEL_LINUX */
 541
 542 #elif HAVE_LIBKVM_GETPROCS
 543 /* no initialization */
 544 #endif /* HAVE_LIBKVM_GETPROCS */
 545
 546         return (0);
 547 } /* int ps_init */
 548
 549 /* submit global state (e.g.: qty of zombies, running, etc..) */
 550 static void ps_submit_state (const char *state, double value)
 551 {
 552         value_t values[1];
 553         value_list_t vl = VALUE_LIST_INIT;
 554
 555         values[0].gauge = value;
 556
 557         vl.values = values;
 558         vl.values_len = 1;
 559         vl.time = time (NULL);
 560         sstrncpy (vl.host, hostname_g, sizeof (vl.host));
 561         sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
 562         sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
 563         sstrncpy (vl.type, "ps_state", sizeof (vl.type));
 564         sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
 565
 566         plugin_dispatch_values (&vl);
 567 }
 568
 569 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
 570 static void ps_submit_proc_list (procstat_t *ps)
 571 {
 572         value_t values[2];
 573         value_list_t vl = VALUE_LIST_INIT;
 574
 575         vl.values = values;
 576         vl.values_len = 2;
 577         vl.time = time (NULL);
 578         sstrncpy (vl.host, hostname_g, sizeof (vl.host));
 579         sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
 580         sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
 581
 582         sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
 583         vl.values[0].gauge = ps->vmem_size;
 584         vl.values_len = 1;
 585         plugin_dispatch_values (&vl);
 586
 587         sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
 588         vl.values[0].gauge = ps->vmem_rss;
 589         vl.values_len = 1;
 590         plugin_dispatch_values (&vl);
 591
 592         sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
 593         vl.values[0].gauge = ps->stack_size;
 594         vl.values_len = 1;
 595         plugin_dispatch_values (&vl);
 596
 597         sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
 598         vl.values[0].counter = ps->cpu_user_counter;
 599         vl.values[1].counter = ps->cpu_system_counter;
 600         vl.values_len = 2;
 601         plugin_dispatch_values (&vl);
 602
 603         sstrncpy (vl.type, "ps_count", sizeof (vl.type));
 604         vl.values[0].gauge = ps->num_proc;
 605         vl.values[1].gauge = ps->num_lwp;
 606         vl.values_len = 2;
 607         plugin_dispatch_values (&vl);
 608
 609         sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
 610         vl.values[0].counter = ps->vmem_minflt_counter;
 611         vl.values[1].counter = ps->vmem_majflt_counter;
 612         vl.values_len = 2;
 613         plugin_dispatch_values (&vl);
 614
 615         DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; vmem_rss = %lu; "
 616                         "vmem_minflt_counter = %lu; vmem_majflt_counter = %lu; "
 617                         "cpu_user_counter = %lu; cpu_system_counter = %lu;",
 618                         ps->name, ps->num_proc, ps->num_lwp, ps->vmem_rss,
 619                         ps->vmem_minflt_counter, ps->vmem_majflt_counter,
 620                         ps->cpu_user_counter, ps->cpu_system_counter);
 621 } /* void ps_submit_proc_list */
 622
 623 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
 624 #if KERNEL_LINUX
 625 static int *ps_read_tasks (int pid)
 626 {
 627         int *list = NULL;
 628         int  list_size = 1; /* size of allocated space, in elements */
 629         int  list_len = 0;  /* number of currently used elements */
 630
 631         char           dirname[64];
 632         DIR           *dh;
 633         struct dirent *ent;
 634
 635         ssnprintf (dirname, sizeof (dirname), "/proc/%i/task", pid);
 636
 637         if ((dh = opendir (dirname)) == NULL)
 638         {
 639                 DEBUG ("Failed to open directory `%s'", dirname);
 640                 return (NULL);
 641         }
 642
 643         while ((ent = readdir (dh)) != NULL)
 644         {
 645                 if (!isdigit (ent->d_name[0]))
 646                         continue;
 647
 648                 if ((list_len + 1) >= list_size)
 649                 {
 650                         int *new_ptr;
 651                         int  new_size = 2 * list_size;
 652                         /* Comes in sizes: 2, 4, 8, 16, ... */
 653
 654                         new_ptr = (int *) realloc (list, (size_t) (sizeof (int) * new_size));
 655                         if (new_ptr == NULL)
 656                         {
 657                                 if (list != NULL)
 658                                         free (list);
 659                                 ERROR ("processes plugin: "
 660                                                 "Failed to allocate more memory.");
 661                                 return (NULL);
 662                         }
 663
 664                         list = new_ptr;
 665                         list_size = new_size;
 666
 667                         memset (list + list_len, 0, sizeof (int) * (list_size - list_len));
 668                 }
 669
 670                 list[list_len] = atoi (ent->d_name);
 671                 if (list[list_len] != 0)
 672                         list_len++;
 673         }
 674
 675         closedir (dh);
 676
 677         if (list_len == 0)
 678                 return (NULL);
 679
 680         assert (list_len < list_size);
 681         assert (list[list_len] == 0);
 682
 683         return (list);
 684 } /* int *ps_read_tasks */
 685
 686 int ps_read_process (int pid, procstat_t *ps, char *state)
 687 {
 688         char  filename[64];
 689         char  buffer[1024];
 690
 691         char *fields[64];
 692         char  fields_len;
 693
 694         int  *tasks;
 695         int   i;
 696
 697         int   ppid;
 698         int   name_len;
 699
 700         long long unsigned cpu_user_counter;
 701         long long unsigned cpu_system_counter;
 702         long long unsigned vmem_size;
 703         long long unsigned vmem_rss;
 704         long long unsigned stack_size;
 705
 706         memset (ps, 0, sizeof (procstat_t));
 707
 708         ssnprintf (filename, sizeof (filename), "/proc/%i/stat", pid);
 709
 710         i = read_file_contents (filename, buffer, sizeof(buffer) - 1);
 711         if (i <= 0)
 712                 return (-1);
 713         buffer[i] = 0;
 714
 715         fields_len = strsplit (buffer, fields, 64);
 716         if (fields_len < 24)
 717         {
 718                 DEBUG ("processes plugin: ps_read_process (pid = %i):"
 719                                 " `%s' has only %i fields..",
 720                                 (int) pid, filename, fields_len);
 721                 return (-1);
 722         }
 723
 724         /* copy the name, strip brackets in the process */
 725         name_len = strlen (fields[1]) - 2;
 726         if ((fields[1][0] != '(') || (fields[1][name_len + 1] != ')'))
 727         {
 728                 DEBUG ("No brackets found in process name: `%s'", fields[1]);
 729                 return (-1);
 730         }
 731         fields[1] = fields[1] + 1;
 732         fields[1][name_len] = '\0';
 733         strncpy (ps->name, fields[1], PROCSTAT_NAME_LEN);
 734
 735         ppid = atoi (fields[3]);
 736
 737         *state = fields[2][0];
 738
 739         if (*state == 'Z')
 740         {
 741                 ps->num_lwp  = 0;
 742                 ps->num_proc = 0;
 743         }
 744         else if ((tasks = ps_read_tasks (pid)) == NULL)
 745         {
 746                 /* Kernel 2.4 or so */
 747                 ps->num_lwp  = 1;
 748                 ps->num_proc = 1;
 749         }
 750         else
 751         {
 752                 ps->num_lwp  = 0;
 753                 ps->num_proc = 1;
 754                 for (i = 0; tasks[i] != 0; i++)
 755                         ps->num_lwp++;
 756
 757                 free (tasks);
 758                 tasks = NULL;
 759         }
 760
 761         /* Leave the rest at zero if this is only a zombi */
 762         if (ps->num_proc == 0)
 763         {
 764                 DEBUG ("processes plugin: This is only a zombi: pid = %i; "
 765                                 "name = %s;", pid, ps->name);
 766                 return (0);
 767         }
 768
 769         cpu_user_counter   = atoll (fields[13]);
 770         cpu_system_counter = atoll (fields[14]);
 771         vmem_size          = atoll (fields[22]);
 772         vmem_rss           = atoll (fields[23]);
 773         ps->vmem_minflt_counter = atol (fields[9]);
 774         ps->vmem_majflt_counter = atol (fields[11]);
 775
 776         {
 777                 unsigned long long stack_start = atoll (fields[27]);
 778                 unsigned long long stack_ptr   = atoll (fields[28]);
 779
 780                 stack_size = (stack_start > stack_ptr)
 781                         ? stack_start - stack_ptr
 782                         : stack_ptr - stack_start;
 783         }
 784
 785         /* Convert jiffies to useconds */
 786         cpu_user_counter   = cpu_user_counter   * 1000000 / CONFIG_HZ;
 787         cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
 788         vmem_rss = vmem_rss * pagesize_g;
 789
 790         ps->cpu_user_counter = (unsigned long) cpu_user_counter;
 791         ps->cpu_system_counter = (unsigned long) cpu_system_counter;
 792         ps->vmem_size = (unsigned long) vmem_size;
 793         ps->vmem_rss = (unsigned long) vmem_rss;
 794         ps->stack_size = (unsigned long) stack_size;
 795
 796         /* success */
 797         return (0);
 798 } /* int ps_read_process (...) */
 799
 800 static char *ps_get_cmdline (pid_t pid, char *name, char *buf, size_t buf_len)
 801 {
 802         char  *buf_ptr;
 803         size_t len;
 804
 805         char file[PATH_MAX];
 806         int  fd;
 807
 808         size_t n;
 809
 810         if ((pid < 1) || (NULL == buf) || (buf_len < 2))
 811                 return NULL;
 812
 813         ssnprintf (file, sizeof (file), "/proc/%u/cmdline", pid);
 814
 815         fd = open (file, O_RDONLY);
 816         if (fd < 0) {
 817                 char errbuf[4096];
 818                 WARNING ("processes plugin: Failed to open `%s': %s.", file,
 819                                 sstrerror (errno, errbuf, sizeof (errbuf)));
 820                 return NULL;
 821         }
 822
 823         buf_ptr = buf;
 824         len     = buf_len;
 825
 826         n = 0;
 827
 828         while (42) {
 829                 size_t status;
 830
 831                 status = read (fd, (void *)buf_ptr, len);
 832
 833                 if (status < 0) {
 834                         char errbuf[4096];
 835
 836                         if ((EAGAIN == errno) || (EINTR == errno))
 837                                 continue;
 838
 839                         WARNING ("processes plugin: Failed to read from `%s': %s.", file,
 840                                         sstrerror (errno, errbuf, sizeof (errbuf)));
 841                         close (fd);
 842                         return NULL;
 843                 }
 844
 845                 n += status;
 846
 847                 if (status == 0)
 848                         break;
 849
 850                 buf_ptr += status;
 851                 len     -= status;
 852
 853                 if (len <= 0)
 854                         break;
 855         }
 856
 857         close (fd);
 858
 859         if (0 == n) {
 860                 /* cmdline not available; e.g. kernel thread, zombie */
 861                 if (NULL == name)
 862                         return NULL;
 863
 864                 ssnprintf (buf, buf_len, "[%s]", name);
 865                 return buf;
 866         }
 867
 868         assert (n <= buf_len);
 869
 870         if (n == buf_len)
 871                 --n;
 872         buf[n] = '\0';
 873
 874         --n;
 875         /* remove trailing whitespace */
 876         while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
 877                 buf[n] = '\0';
 878                 --n;
 879         }
 880
 881         /* arguments are separated by '\0' in /proc/<pid>/cmdline */
 882         while (n > 0) {
 883                 if ('\0' == buf[n])
 884                         buf[n] = ' ';
 885                 --n;
 886         }
 887         return buf;
 888 } /* char *ps_get_cmdline (...) */
 889 #endif /* KERNEL_LINUX */
 890
 891 #if HAVE_THREAD_INFO
 892 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
 893 {
 894         int mib[4];
 895
 896         struct kinfo_proc kp;
 897         size_t            kp_size;
 898
 899         mib[0] = CTL_KERN;
 900         mib[1] = KERN_PROC;
 901         mib[2] = KERN_PROC_PID;
 902
 903         if (pid_for_task (t, pid) != KERN_SUCCESS)
 904                 return (-1);
 905         mib[3] = *pid;
 906
 907         kp_size = sizeof (kp);
 908         if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
 909                 return (-1);
 910
 911         if (name_max_len > (MAXCOMLEN + 1))
 912                 name_max_len = MAXCOMLEN + 1;
 913
 914         strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
 915         name[name_max_len - 1] = '\0';
 916
 917         DEBUG ("pid = %i; name = %s;", *pid, name);
 918
 919         /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
 920          * `top' does it, because it is a lot of work and only used when
 921          * debugging. -octo */
 922
 923         return (0);
 924 }
 925 #endif /* HAVE_THREAD_INFO */
 926 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
 927
 928 /* do actual readings from kernel */
 929 static int ps_read (void)
 930 {
 931 #if HAVE_THREAD_INFO
 932         kern_return_t            status;
 933
 934         int                      pset;
 935         processor_set_t          port_pset_priv;
 936
 937         int                      task;
 938         task_array_t             task_list;
 939         mach_msg_type_number_t   task_list_len;
 940
 941         int                      task_pid;
 942         char                     task_name[MAXCOMLEN + 1];
 943
 944         int                      thread;
 945         thread_act_array_t       thread_list;
 946         mach_msg_type_number_t   thread_list_len;
 947         thread_basic_info_data_t thread_data;
 948         mach_msg_type_number_t   thread_data_len;
 949
 950         int running  = 0;
 951         int sleeping = 0;
 952         int zombies  = 0;
 953         int stopped  = 0;
 954         int blocked  = 0;
 955
 956         procstat_t *ps;
 957         procstat_entry_t pse;
 958
 959         ps_list_reset ();
 960
 961         /*
 962          * The Mach-concept is a little different from the traditional UNIX
 963          * concept: All the work is done in threads. Threads are contained in
 964          * `tasks'. Therefore, `task status' doesn't make much sense, since
 965          * it's actually a `thread status'.
 966          * Tasks are assigned to sets of processors, so that's where you go to
 967          * get a list.
 968          */
 969         for (pset = 0; pset < pset_list_len; pset++)
 970         {
 971                 if ((status = host_processor_set_priv (port_host_self,
 972                                                 pset_list[pset],
 973                                                 &port_pset_priv)) != KERN_SUCCESS)
 974                 {
 975                         ERROR ("host_processor_set_priv failed: %s\n",
 976                                         mach_error_string (status));
 977                         continue;
 978                 }
 979
 980                 if ((status = processor_set_tasks (port_pset_priv,
 981                                                 &task_list,
 982                                                 &task_list_len)) != KERN_SUCCESS)
 983                 {
 984                         ERROR ("processor_set_tasks failed: %s\n",
 985                                         mach_error_string (status));
 986                         mach_port_deallocate (port_task_self, port_pset_priv);
 987                         continue;
 988                 }
 989
 990                 for (task = 0; task < task_list_len; task++)
 991                 {
 992                         ps = NULL;
 993                         if (mach_get_task_name (task_list[task],
 994                                                 &task_pid,
 995                                                 task_name, PROCSTAT_NAME_LEN) == 0)
 996                         {
 997                                 /* search for at least one match */
 998                                 for (ps = list_head_g; ps != NULL; ps = ps->next)
 999                                         /* FIXME: cmdline should be here instead of NULL */
1000                                         if (ps_list_match (task_name, NULL, ps) == 1)
1001                                                 break;
1002                         }
1003
1004                         /* Collect more detailed statistics for this process */
1005                         if (ps != NULL)
1006                         {
1007                                 task_basic_info_data_t        task_basic_info;
1008                                 mach_msg_type_number_t        task_basic_info_len;
1009                                 task_events_info_data_t       task_events_info;
1010                                 mach_msg_type_number_t        task_events_info_len;
1011                                 task_absolutetime_info_data_t task_absolutetime_info;
1012                                 mach_msg_type_number_t        task_absolutetime_info_len;
1013
1014                                 memset (&pse, '\0', sizeof (pse));
1015                                 pse.id = task_pid;
1016
1017                                 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1018                                 status = task_info (task_list[task],
1019                                                 TASK_BASIC_INFO,
1020                                                 (task_info_t) &task_basic_info,
1021                                                 &task_basic_info_len);
1022                                 if (status != KERN_SUCCESS)
1023                                 {
1024                                         ERROR ("task_info failed: %s",
1025                                                         mach_error_string (status));
1026                                         continue; /* with next thread_list */
1027                                 }
1028
1029                                 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1030                                 status = task_info (task_list[task],
1031                                                 TASK_EVENTS_INFO,
1032                                                 (task_info_t) &task_events_info,
1033                                                 &task_events_info_len);
1034                                 if (status != KERN_SUCCESS)
1035                                 {
1036                                         ERROR ("task_info failed: %s",
1037                                                         mach_error_string (status));
1038                                         continue; /* with next thread_list */
1039                                 }
1040
1041                                 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1042                                 status = task_info (task_list[task],
1043                                                 TASK_ABSOLUTETIME_INFO,
1044                                                 (task_info_t) &task_absolutetime_info,
1045                                                 &task_absolutetime_info_len);
1046                                 if (status != KERN_SUCCESS)
1047                                 {
1048                                         ERROR ("task_info failed: %s",
1049                                                         mach_error_string (status));
1050                                         continue; /* with next thread_list */
1051                                 }
1052
1053                                 pse.num_proc++;
1054                                 pse.vmem_rss = task_basic_info.resident_size;
1055
1056                                 pse.vmem_minflt_counter = task_events_info.cow_faults;
1057                                 pse.vmem_majflt_counter = task_events_info.faults;
1058
1059                                 pse.cpu_user_counter = task_absolutetime_info.total_user;
1060                                 pse.cpu_system_counter = task_absolutetime_info.total_system;
1061                         }
1062
1063                         status = task_threads (task_list[task], &thread_list,
1064                                         &thread_list_len);
1065                         if (status != KERN_SUCCESS)
1066                         {
1067                                 /* Apple's `top' treats this case a zombie. It
1068                                  * makes sense to some extend: A `zombie'
1069                                  * thread is nonsense, since the task/process
1070                                  * is dead. */
1071                                 zombies++;
1072                                 DEBUG ("task_threads failed: %s",
1073                                                 mach_error_string (status));
1074                                 if (task_list[task] != port_task_self)
1075                                         mach_port_deallocate (port_task_self,
1076                                                         task_list[task]);
1077                                 continue; /* with next task_list */
1078                         }
1079
1080                         for (thread = 0; thread < thread_list_len; thread++)
1081                         {
1082                                 thread_data_len = THREAD_BASIC_INFO_COUNT;
1083                                 status = thread_info (thread_list[thread],
1084                                                 THREAD_BASIC_INFO,
1085                                                 (thread_info_t) &thread_data,
1086                                                 &thread_data_len);
1087                                 if (status != KERN_SUCCESS)
1088                                 {
1089                                         ERROR ("thread_info failed: %s",
1090                                                         mach_error_string (status));
1091                                         if (task_list[task] != port_task_self)
1092                                                 mach_port_deallocate (port_task_self,
1093                                                                 thread_list[thread]);
1094                                         continue; /* with next thread_list */
1095                                 }
1096
1097                                 if (ps != NULL)
1098                                         pse.num_lwp++;
1099
1100                                 switch (thread_data.run_state)
1101                                 {
1102                                         case TH_STATE_RUNNING:
1103                                                 running++;
1104                                                 break;
1105                                         case TH_STATE_STOPPED:
1106                                         /* What exactly is `halted'? */
1107                                         case TH_STATE_HALTED:
1108                                                 stopped++;
1109                                                 break;
1110                                         case TH_STATE_WAITING:
1111                                                 sleeping++;
1112                                                 break;
1113                                         case TH_STATE_UNINTERRUPTIBLE:
1114                                                 blocked++;
1115                                                 break;
1116                                         /* There is no `zombie' case here,
1117                                          * since there are no zombie-threads.
1118                                          * There's only zombie tasks, which are
1119                                          * handled above. */
1120                                         default:
1121                                                 WARNING ("Unknown thread status: %i",
1122                                                                 thread_data.run_state);
1123                                                 break;
1124                                 } /* switch (thread_data.run_state) */
1125
1126                                 if (task_list[task] != port_task_self)
1127                                 {
1128                                         status = mach_port_deallocate (port_task_self,
1129                                                         thread_list[thread]);
1130                                         if (status != KERN_SUCCESS)
1131                                                 ERROR ("mach_port_deallocate failed: %s",
1132                                                                 mach_error_string (status));
1133                                 }
1134                         } /* for (thread_list) */
1135
1136                         if ((status = vm_deallocate (port_task_self,
1137                                                         (vm_address_t) thread_list,
1138                                                         thread_list_len * sizeof (thread_act_t)))
1139                                         != KERN_SUCCESS)
1140                         {
1141                                 ERROR ("vm_deallocate failed: %s",
1142                                                 mach_error_string (status));
1143                         }
1144                         thread_list = NULL;
1145                         thread_list_len = 0;
1146
1147                         /* Only deallocate the task port, if it isn't our own.
1148                          * Don't know what would happen in that case, but this
1149                          * is what Apple's top does.. ;) */
1150                         if (task_list[task] != port_task_self)
1151                         {
1152                                 status = mach_port_deallocate (port_task_self,
1153                                                 task_list[task]);
1154                                 if (status != KERN_SUCCESS)
1155                                         ERROR ("mach_port_deallocate failed: %s",
1156                                                         mach_error_string (status));
1157                         }
1158
1159                         if (ps != NULL)
1160                                 /* FIXME: cmdline should be here instead of NULL */
1161                                 ps_list_add (task_name, NULL, &pse);
1162                 } /* for (task_list) */
1163
1164                 if ((status = vm_deallocate (port_task_self,
1165                                 (vm_address_t) task_list,
1166                                 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1167                 {
1168                         ERROR ("vm_deallocate failed: %s",
1169                                         mach_error_string (status));
1170                 }
1171                 task_list = NULL;
1172                 task_list_len = 0;
1173
1174                 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1175                                 != KERN_SUCCESS)
1176                 {
1177                         ERROR ("mach_port_deallocate failed: %s",
1178                                         mach_error_string (status));
1179                 }
1180         } /* for (pset_list) */
1181
1182         ps_submit_state ("running", running);
1183         ps_submit_state ("sleeping", sleeping);
1184         ps_submit_state ("zombies", zombies);
1185         ps_submit_state ("stopped", stopped);
1186         ps_submit_state ("blocked", blocked);
1187
1188         for (ps = list_head_g; ps != NULL; ps = ps->next)
1189                 ps_submit_proc_list (ps);
1190 /* #endif HAVE_THREAD_INFO */
1191
1192 #elif KERNEL_LINUX
1193         int running  = 0;
1194         int sleeping = 0;
1195         int zombies  = 0;
1196         int stopped  = 0;
1197         int paging   = 0;
1198         int blocked  = 0;
1199
1200         struct dirent *ent;
1201         DIR           *proc;
1202         int            pid;
1203
1204         char cmdline[ARG_MAX];
1205
1206         int        status;
1207         procstat_t ps;
1208         procstat_entry_t pse;
1209         char       state;
1210
1211         procstat_t *ps_ptr;
1212
1213         running = sleeping = zombies = stopped = paging = blocked = 0;
1214         ps_list_reset ();
1215
1216         if ((proc = opendir ("/proc")) == NULL)
1217         {
1218                 char errbuf[1024];
1219                 ERROR ("Cannot open `/proc': %s",
1220                                 sstrerror (errno, errbuf, sizeof (errbuf)));
1221                 return (-1);
1222         }
1223
1224         while ((ent = readdir (proc)) != NULL)
1225         {
1226                 if (!isdigit (ent->d_name[0]))
1227                         continue;
1228
1229                 if ((pid = atoi (ent->d_name)) < 1)
1230                         continue;
1231
1232                 status = ps_read_process (pid, &ps, &state);
1233                 if (status != 0)
1234                 {
1235                         DEBUG ("ps_read_process failed: %i", status);
1236                         continue;
1237                 }
1238
1239                 pse.id       = pid;
1240                 pse.age      = 0;
1241
1242                 pse.num_proc   = ps.num_proc;
1243                 pse.num_lwp    = ps.num_lwp;
1244                 pse.vmem_size  = ps.vmem_size;
1245                 pse.vmem_rss   = ps.vmem_rss;
1246                 pse.stack_size = ps.stack_size;
1247
1248                 pse.vmem_minflt = 0;
1249                 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1250                 pse.vmem_majflt = 0;
1251                 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1252
1253                 pse.cpu_user = 0;
1254                 pse.cpu_user_counter = ps.cpu_user_counter;
1255                 pse.cpu_system = 0;
1256                 pse.cpu_system_counter = ps.cpu_system_counter;
1257
1258                 switch (state)
1259                 {
1260                         case 'R': running++;  break;
1261                         case 'S': sleeping++; break;
1262                         case 'D': blocked++;  break;
1263                         case 'Z': zombies++;  break;
1264                         case 'T': stopped++;  break;
1265                         case 'W': paging++;   break;
1266                 }
1267
1268                 ps_list_add (ps.name,
1269                                 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1270                                 &pse);
1271         }
1272
1273         closedir (proc);
1274
1275         ps_submit_state ("running",  running);
1276         ps_submit_state ("sleeping", sleeping);
1277         ps_submit_state ("zombies",  zombies);
1278         ps_submit_state ("stopped",  stopped);
1279         ps_submit_state ("paging",   paging);
1280         ps_submit_state ("blocked",  blocked);
1281
1282         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1283                 ps_submit_proc_list (ps_ptr);
1284 /* #endif KERNEL_LINUX */
1285
1286 #elif HAVE_LIBKVM_GETPROCS
1287         int running  = 0;
1288         int sleeping = 0;
1289         int zombies  = 0;
1290         int stopped  = 0;
1291         int blocked  = 0;
1292         int idle     = 0;
1293         int wait     = 0;
1294
1295         kvm_t *kd;
1296         char errbuf[1024];
1297         char cmdline[ARG_MAX];
1298         char *cmdline_ptr;
1299         struct kinfo_proc *procs;          /* array of processes */
1300         char **argv;
1301         int count;                         /* returns number of processes */
1302         int i;
1303
1304         procstat_t *ps_ptr;
1305         procstat_entry_t pse;
1306
1307         ps_list_reset ();
1308
1309         /* Open the kvm interface, get a descriptor */
1310         kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
1311         if (kd == NULL)
1312         {
1313                 ERROR ("processes plugin: Cannot open kvm interface: %s",
1314                                 errbuf);
1315                 return (0);
1316         }
1317
1318         /* Get the list of processes. */
1319         procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1320         if (procs == NULL)
1321         {
1322                 kvm_close (kd);
1323                 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1324                                 kvm_geterr(kd));
1325                 return (0);
1326         }
1327
1328         /* Iterate through the processes in kinfo_proc */
1329         for (i = 0; i < count; i++)
1330         {
1331                 /* retrieve the arguments */
1332                 cmdline[0] = 0;
1333                 cmdline_ptr = NULL;
1334
1335                 argv = kvm_getargv (kd, (const struct kinfo_proc *) &(procs[i]), 0);
1336                 if (argv != NULL)
1337                 {
1338                         int status;
1339                         int argc;
1340
1341                         argc = 0;
1342                         while (argv[argc] != NULL)
1343                                 argc++;
1344
1345                         status = strjoin (cmdline, sizeof (cmdline),
1346                                         argv, argc, " ");
1347
1348                         if (status < 0)
1349                         {
1350                                 WARNING ("processes plugin: Command line did "
1351                                                 "not fit into buffer.");
1352                         }
1353                         else
1354                         {
1355                                 cmdline_ptr = &cmdline[0];
1356                         }
1357                 }
1358
1359                 pse.id       = procs[i].ki_pid;
1360                 pse.age      = 0;
1361
1362                 pse.num_proc = 1;
1363                 pse.num_lwp  = procs[i].ki_numthreads;
1364
1365                 pse.vmem_rss = procs[i].ki_rssize * getpagesize();
1366                 pse.vmem_minflt = 0;
1367                 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1368                 pse.vmem_majflt = 0;
1369                 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1370
1371                 pse.cpu_user = 0;
1372                 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_sec
1373                         * 1000
1374                         + procs[i].ki_rusage.ru_utime.tv_usec;
1375                 pse.cpu_system = 0;
1376                 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_sec
1377                         * 1000
1378                         + procs[i].ki_rusage.ru_stime.tv_usec;
1379
1380                 switch (procs[i].ki_stat)
1381                 {
1382                         case SSTOP:     stopped++;      break;
1383                         case SSLEEP:    sleeping++;     break;
1384                         case SRUN:      running++;      break;
1385                         case SIDL:      idle++;         break;
1386                         case SWAIT:     wait++;         break;
1387                         case SLOCK:     blocked++;      break;
1388                         case SZOMB:     zombies++;      break;
1389                 }
1390
1391                 ps_list_add (procs[i].ki_comm, cmdline_ptr, &pse);
1392         }
1393
1394         kvm_close(kd);
1395
1396         ps_submit_state ("running",  running);
1397         ps_submit_state ("sleeping", sleeping);
1398         ps_submit_state ("zombies",  zombies);
1399         ps_submit_state ("stopped",  stopped);
1400         ps_submit_state ("blocked",  blocked);
1401         ps_submit_state ("idle",     idle);
1402         ps_submit_state ("wait",     wait);
1403
1404         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1405                 ps_submit_proc_list (ps_ptr);
1406 #endif /* HAVE_LIBKVM_GETPROCS */
1407
1408         return (0);
1409 } /* int ps_read */
1410
1411 void module_register (void)
1412 {
1413         plugin_register_config ("processes", ps_config,
1414                         config_keys, config_keys_num);
1415         plugin_register_init ("processes", ps_init);
1416         plugin_register_read ("processes", ps_read);
1417 } /* void module_register */