src/processes.c

   1 /**
   2  * collectd - src/processes.c
   3  * Copyright (C) 2005       Lyonel Vincent
   4  * Copyright (C) 2006-2008  Florian octo Forster
   5  * Copyright (C) 2008       Oleg King
   6  * Copyright (C) 2009       Sebastian Harl
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by the
  10  * Free Software Foundation; either version 2 of the License, or (at your
  11  * option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along
  19  * with this program; if not, write to the Free Software Foundation, Inc.,
  20  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  21  *
  22  * Authors:
  23  *   Lyonel Vincent <lyonel at ezix.org>
  24  *   Florian octo Forster <octo at verplant.org>
  25  *   Oleg King <king2 at kaluga.ru>
  26  *   Sebastian Harl <sh at tokkee.org>
  27  **/
  28
  29 #include "collectd.h"
  30 #include "common.h"
  31 #include "plugin.h"
  32 #include "configfile.h"
  33
  34 /* Include header files for the mach system, if they exist.. */
  35 #if HAVE_THREAD_INFO
  36 #  if HAVE_MACH_MACH_INIT_H
  37 #    include <mach/mach_init.h>
  38 #  endif
  39 #  if HAVE_MACH_HOST_PRIV_H
  40 #    include <mach/host_priv.h>
  41 #  endif
  42 #  if HAVE_MACH_MACH_ERROR_H
  43 #    include <mach/mach_error.h>
  44 #  endif
  45 #  if HAVE_MACH_MACH_HOST_H
  46 #    include <mach/mach_host.h>
  47 #  endif
  48 #  if HAVE_MACH_MACH_PORT_H
  49 #    include <mach/mach_port.h>
  50 #  endif
  51 #  if HAVE_MACH_MACH_TYPES_H
  52 #    include <mach/mach_types.h>
  53 #  endif
  54 #  if HAVE_MACH_MESSAGE_H
  55 #    include <mach/message.h>
  56 #  endif
  57 #  if HAVE_MACH_PROCESSOR_SET_H
  58 #    include <mach/processor_set.h>
  59 #  endif
  60 #  if HAVE_MACH_TASK_H
  61 #    include <mach/task.h>
  62 #  endif
  63 #  if HAVE_MACH_THREAD_ACT_H
  64 #    include <mach/thread_act.h>
  65 #  endif
  66 #  if HAVE_MACH_VM_REGION_H
  67 #    include <mach/vm_region.h>
  68 #  endif
  69 #  if HAVE_MACH_VM_MAP_H
  70 #    include <mach/vm_map.h>
  71 #  endif
  72 #  if HAVE_MACH_VM_PROT_H
  73 #    include <mach/vm_prot.h>
  74 #  endif
  75 #  if HAVE_SYS_SYSCTL_H
  76 #    include <sys/sysctl.h>
  77 #  endif
  78 /* #endif HAVE_THREAD_INFO */
  79
  80 #elif KERNEL_LINUX
  81 #  if HAVE_LINUX_CONFIG_H
  82 #    include <linux/config.h>
  83 #  endif
  84 #  ifndef CONFIG_HZ
  85 #    define CONFIG_HZ 100
  86 #  endif
  87 /* #endif KERNEL_LINUX */
  88
  89 #elif HAVE_LIBKVM_GETPROCS
  90 #  include <kvm.h>
  91 #  include <sys/user.h>
  92 #  include <sys/proc.h>
  93 #  if HAVE_SYS_SYSCTL_H
  94 #    include <sys/sysctl.h>
  95 #  endif
  96 /* #endif HAVE_LIBKVM_GETPROCS */
  97
  98 #else
  99 # error "No applicable input method."
 100 #endif
 101
 102 #if HAVE_REGEX_H
 103 # include <regex.h>
 104 #endif
 105
 106 #ifndef ARG_MAX
 107 #  define ARG_MAX 4096
 108 #endif
 109
 110 #define BUFSIZE 256
 111
 112 static const char *config_keys[] =
 113 {
 114         "Process",
 115         "ProcessMatch"
 116 };
 117 static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
 118
 119 typedef struct procstat_entry_s
 120 {
 121         unsigned long id;
 122         unsigned long age;
 123
 124         unsigned long num_proc;
 125         unsigned long num_lwp;
 126         unsigned long vmem_size;
 127         unsigned long vmem_rss;
 128         unsigned long stack_size;
 129
 130         unsigned long vmem_minflt;
 131         unsigned long vmem_majflt;
 132         unsigned long vmem_minflt_counter;
 133         unsigned long vmem_majflt_counter;
 134
 135         unsigned long cpu_user;
 136         unsigned long cpu_system;
 137         unsigned long cpu_user_counter;
 138         unsigned long cpu_system_counter;
 139
 140         struct procstat_entry_s *next;
 141 } procstat_entry_t;
 142
 143 #define PROCSTAT_NAME_LEN 256
 144 typedef struct procstat
 145 {
 146         char          name[PROCSTAT_NAME_LEN];
 147 #if HAVE_REGEX_H
 148         regex_t *re;
 149 #endif
 150
 151         unsigned long num_proc;
 152         unsigned long num_lwp;
 153         unsigned long vmem_size;
 154         unsigned long vmem_rss;
 155         unsigned long stack_size;
 156
 157         unsigned long vmem_minflt_counter;
 158         unsigned long vmem_majflt_counter;
 159
 160         unsigned long cpu_user_counter;
 161         unsigned long cpu_system_counter;
 162
 163         struct procstat   *next;
 164         struct procstat_entry_s *instances;
 165 } procstat_t;
 166
 167 static procstat_t *list_head_g = NULL;
 168
 169 #if HAVE_THREAD_INFO
 170 static mach_port_t port_host_self;
 171 static mach_port_t port_task_self;
 172
 173 static processor_set_name_array_t pset_list;
 174 static mach_msg_type_number_t     pset_list_len;
 175 /* #endif HAVE_THREAD_INFO */
 176
 177 #elif KERNEL_LINUX
 178 static long pagesize_g;
 179 /* #endif KERNEL_LINUX */
 180
 181 #elif HAVE_LIBKVM_GETPROCS
 182 /* no global variables */
 183 #endif /* HAVE_LIBKVM_GETPROCS */
 184
 185 /* put name of process from config to list_head_g tree
 186    list_head_g is a list of 'procstat_t' structs with
 187    processes names we want to watch */
 188 static void ps_list_register (const char *name, const char *regexp)
 189 {
 190         procstat_t *new;
 191         procstat_t *ptr;
 192         int status;
 193
 194         new = (procstat_t *) malloc (sizeof (procstat_t));
 195         if (new == NULL)
 196         {
 197                 ERROR ("processes plugin: ps_list_register: malloc failed.");
 198                 return;
 199         }
 200         memset (new, 0, sizeof (procstat_t));
 201         sstrncpy (new->name, name, sizeof (new->name));
 202
 203 #if HAVE_REGEX_H
 204         if (regexp != NULL)
 205         {
 206                 DEBUG ("ProcessMatch: adding \"%s\" as criteria to process %s.", regexp, name);
 207                 new->re = (regex_t *) malloc (sizeof (regex_t));
 208                 if (new->re == NULL)
 209                 {
 210                         ERROR ("processes plugin: ps_list_register: malloc failed.");
 211                         sfree (new);
 212                         return;
 213                 }
 214
 215                 status = regcomp (new->re, regexp, REG_EXTENDED | REG_NOSUB);
 216                 if (status != 0)
 217                 {
 218                         DEBUG ("ProcessMatch: compiling the regular expression \"%s\" failed.", regexp);
 219                         sfree(new->re);
 220                         return;
 221                 }
 222         }
 223 #else
 224         if (regexp != NULL)
 225         {
 226                 ERROR ("processes plugin: ps_list_register: "
 227                                 "Regular expression \"%s\" found in config "
 228                                 "file, but support for regular expressions "
 229                                 "has been dispabled at compile time.",
 230                                 regexp);
 231                 sfree (new);
 232                 return;
 233         }
 234 #endif
 235
 236         for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
 237         {
 238                 if (strcmp (ptr->name, name) == 0)
 239                 {
 240                         WARNING ("processes plugin: You have configured more "
 241                                         "than one `Process' or "
 242                                         "`ProcessMatch' with the same name. "
 243                                         "All but the first setting will be "
 244                                         "ignored.");
 245                         sfree (new->re);
 246                         sfree (new);
 247                         return;
 248                 }
 249
 250                 if (ptr->next == NULL)
 251                         break;
 252         }
 253
 254         if (ptr == NULL)
 255                 list_head_g = new;
 256         else
 257                 ptr->next = new;
 258 } /* void ps_list_register */
 259
 260 /* try to match name against entry, returns 1 if success */
 261 static int ps_list_match (const char *name, const char *cmdline, procstat_t *ps)
 262 {
 263 #if HAVE_REGEX_H
 264         if (ps->re != NULL)
 265         {
 266                 int status;
 267                 const char *str;
 268
 269                 str = cmdline;
 270                 if ((str == NULL) || (str[0] == 0))
 271                         str = name;
 272
 273                 assert (str != NULL);
 274
 275                 status = regexec (ps->re, str,
 276                                 /* nmatch = */ 0,
 277                                 /* pmatch = */ NULL,
 278                                 /* eflags = */ 0);
 279                 if (status == 0)
 280                         return (1);
 281         }
 282         else
 283 #endif
 284         if (strcmp (ps->name, name) == 0)
 285                 return (1);
 286
 287         return (0);
 288 } /* int ps_list_match */
 289
 290 /* add process entry to 'instances' of process 'name' (or refresh it) */
 291 static void ps_list_add (const char *name, const char *cmdline, procstat_entry_t *entry)
 292 {
 293         procstat_t *ps;
 294         procstat_entry_t *pse;
 295
 296         if (entry->id == 0)
 297                 return;
 298
 299         for (ps = list_head_g; ps != NULL; ps = ps->next)
 300         {
 301                 if ((ps_list_match (name, cmdline, ps)) == 0)
 302                         continue;
 303
 304                 for (pse = ps->instances; pse != NULL; pse = pse->next)
 305                         if ((pse->id == entry->id) || (pse->next == NULL))
 306                                 break;
 307
 308                 if ((pse == NULL) || (pse->id != entry->id))
 309                 {
 310                         procstat_entry_t *new;
 311
 312                         new = (procstat_entry_t *) malloc (sizeof (procstat_entry_t));
 313                         if (new == NULL)
 314                                 return;
 315                         memset (new, 0, sizeof (procstat_entry_t));
 316                         new->id = entry->id;
 317
 318                         if (pse == NULL)
 319                                 ps->instances = new;
 320                         else
 321                                 pse->next = new;
 322
 323                         pse = new;
 324                 }
 325
 326                 pse->age = 0;
 327                 pse->num_proc   = entry->num_proc;
 328                 pse->num_lwp    = entry->num_lwp;
 329                 pse->vmem_size  = entry->vmem_size;
 330                 pse->vmem_rss   = entry->vmem_rss;
 331                 pse->stack_size = entry->stack_size;
 332
 333                 ps->num_proc   += pse->num_proc;
 334                 ps->num_lwp    += pse->num_lwp;
 335                 ps->vmem_size  += pse->vmem_size;
 336                 ps->vmem_rss   += pse->vmem_rss;
 337                 ps->stack_size += pse->stack_size;
 338
 339                 if ((entry->vmem_minflt_counter == 0)
 340                                 && (entry->vmem_majflt_counter == 0))
 341                 {
 342                         pse->vmem_minflt_counter += entry->vmem_minflt;
 343                         pse->vmem_minflt = entry->vmem_minflt;
 344
 345                         pse->vmem_majflt_counter += entry->vmem_majflt;
 346                         pse->vmem_majflt = entry->vmem_majflt;
 347                 }
 348                 else
 349                 {
 350                         if (entry->vmem_minflt_counter < pse->vmem_minflt_counter)
 351                         {
 352                                 pse->vmem_minflt = entry->vmem_minflt_counter
 353                                         + (ULONG_MAX - pse->vmem_minflt_counter);
 354                         }
 355                         else
 356                         {
 357                                 pse->vmem_minflt = entry->vmem_minflt_counter - pse->vmem_minflt_counter;
 358                         }
 359                         pse->vmem_minflt_counter = entry->vmem_minflt_counter;
 360
 361                         if (entry->vmem_majflt_counter < pse->vmem_majflt_counter)
 362                         {
 363                                 pse->vmem_majflt = entry->vmem_majflt_counter
 364                                         + (ULONG_MAX - pse->vmem_majflt_counter);
 365                         }
 366                         else
 367                         {
 368                                 pse->vmem_majflt = entry->vmem_majflt_counter - pse->vmem_majflt_counter;
 369                         }
 370                         pse->vmem_majflt_counter = entry->vmem_majflt_counter;
 371                 }
 372
 373                 ps->vmem_minflt_counter += pse->vmem_minflt;
 374                 ps->vmem_majflt_counter += pse->vmem_majflt;
 375
 376                 if ((entry->cpu_user_counter == 0)
 377                                 && (entry->cpu_system_counter == 0))
 378                 {
 379                         pse->cpu_user_counter += entry->cpu_user;
 380                         pse->cpu_user = entry->cpu_user;
 381
 382                         pse->cpu_system_counter += entry->cpu_system;
 383                         pse->cpu_system = entry->cpu_system;
 384                 }
 385                 else
 386                 {
 387                         if (entry->cpu_user_counter < pse->cpu_user_counter)
 388                         {
 389                                 pse->cpu_user = entry->cpu_user_counter
 390                                         + (ULONG_MAX - pse->cpu_user_counter);
 391                         }
 392                         else
 393                         {
 394                                 pse->cpu_user = entry->cpu_user_counter - pse->cpu_user_counter;
 395                         }
 396                         pse->cpu_user_counter = entry->cpu_user_counter;
 397
 398                         if (entry->cpu_system_counter < pse->cpu_system_counter)
 399                         {
 400                                 pse->cpu_system = entry->cpu_system_counter
 401                                         + (ULONG_MAX - pse->cpu_system_counter);
 402                         }
 403                         else
 404                         {
 405                                 pse->cpu_system = entry->cpu_system_counter - pse->cpu_system_counter;
 406                         }
 407                         pse->cpu_system_counter = entry->cpu_system_counter;
 408                 }
 409
 410                 ps->cpu_user_counter   += pse->cpu_user;
 411                 ps->cpu_system_counter += pse->cpu_system;
 412         }
 413 }
 414
 415 /* remove old entries from instances of processes in list_head_g */
 416 static void ps_list_reset (void)
 417 {
 418         procstat_t *ps;
 419         procstat_entry_t *pse;
 420         procstat_entry_t *pse_prev;
 421
 422         for (ps = list_head_g; ps != NULL; ps = ps->next)
 423         {
 424                 ps->num_proc    = 0;
 425                 ps->num_lwp     = 0;
 426                 ps->vmem_size   = 0;
 427                 ps->vmem_rss    = 0;
 428                 ps->stack_size  = 0;
 429
 430                 pse_prev = NULL;
 431                 pse = ps->instances;
 432                 while (pse != NULL)
 433                 {
 434                         if (pse->age > 10)
 435                         {
 436                                 DEBUG ("Removing this procstat entry cause it's too old: "
 437                                                 "id = %lu; name = %s;",
 438                                                 pse->id, ps->name);
 439
 440                                 if (pse_prev == NULL)
 441                                 {
 442                                         ps->instances = pse->next;
 443                                         free (pse);
 444                                         pse = ps->instances;
 445                                 }
 446                                 else
 447                                 {
 448                                         pse_prev->next = pse->next;
 449                                         free (pse);
 450                                         pse = pse_prev->next;
 451                                 }
 452                         }
 453                         else
 454                         {
 455                                 pse->age++;
 456                                 pse_prev = pse;
 457                                 pse = pse->next;
 458                         }
 459                 } /* while (pse != NULL) */
 460         } /* for (ps = list_head_g; ps != NULL; ps = ps->next) */
 461 }
 462
 463 /* put all pre-defined 'Process' names from config to list_head_g tree */
 464 static int ps_config (const char *key, const char *value)
 465 {
 466         if (strcasecmp (key, "Process") == 0)
 467         {
 468                 ps_list_register (value, NULL);
 469         }
 470         else if (strcasecmp (key, "ProcessMatch") == 0)
 471         {
 472                 char *new_val;
 473                 char *fields[3];
 474                 int fields_num;
 475
 476                 new_val = strdup (value);
 477                 if (new_val == NULL) {
 478                         ERROR ("processes plugin: strdup failed when processing "
 479                                         "`ProcessMatch %s'.", value);
 480                         return (1);
 481                 }
 482
 483                 fields_num = strsplit (new_val, fields,
 484                                 STATIC_ARRAY_SIZE (fields));
 485                 if (fields_num != 2)
 486                 {
 487                         ERROR ("processes plugin: `ProcessMatch' needs exactly "
 488                                         "two string arguments.");
 489                         sfree (new_val);
 490                         return (1);
 491                 }
 492                 ps_list_register (fields[0], fields[1]);
 493                 sfree (new_val);
 494         }
 495         else
 496         {
 497                 ERROR ("processes plugin: The `%s' configuration option is not "
 498                                 "understood and will be ignored.", key);
 499                 return (-1);
 500         }
 501
 502         return (0);
 503 }
 504
 505 static int ps_init (void)
 506 {
 507 #if HAVE_THREAD_INFO
 508         kern_return_t status;
 509
 510         port_host_self = mach_host_self ();
 511         port_task_self = mach_task_self ();
 512
 513         if (pset_list != NULL)
 514         {
 515                 vm_deallocate (port_task_self,
 516                                 (vm_address_t) pset_list,
 517                                 pset_list_len * sizeof (processor_set_t));
 518                 pset_list = NULL;
 519                 pset_list_len = 0;
 520         }
 521
 522         if ((status = host_processor_sets (port_host_self,
 523                                         &pset_list,
 524                                         &pset_list_len)) != KERN_SUCCESS)
 525         {
 526                 ERROR ("host_processor_sets failed: %s\n",
 527                                 mach_error_string (status));
 528                 pset_list = NULL;
 529                 pset_list_len = 0;
 530                 return (-1);
 531         }
 532 /* #endif HAVE_THREAD_INFO */
 533
 534 #elif KERNEL_LINUX
 535         pagesize_g = sysconf(_SC_PAGESIZE);
 536         DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
 537                         pagesize_g, CONFIG_HZ);
 538 /* #endif KERNEL_LINUX */
 539
 540 #elif HAVE_LIBKVM_GETPROCS
 541 /* no initialization */
 542 #endif /* HAVE_LIBKVM_GETPROCS */
 543
 544         return (0);
 545 } /* int ps_init */
 546
 547 /* submit global state (e.g.: qty of zombies, running, etc..) */
 548 static void ps_submit_state (const char *state, double value)
 549 {
 550         value_t values[1];
 551         value_list_t vl = VALUE_LIST_INIT;
 552
 553         values[0].gauge = value;
 554
 555         vl.values = values;
 556         vl.values_len = 1;
 557         sstrncpy (vl.host, hostname_g, sizeof (vl.host));
 558         sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
 559         sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
 560         sstrncpy (vl.type, "ps_state", sizeof (vl.type));
 561         sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
 562
 563         plugin_dispatch_values (&vl);
 564 }
 565
 566 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
 567 static void ps_submit_proc_list (procstat_t *ps)
 568 {
 569         value_t values[2];
 570         value_list_t vl = VALUE_LIST_INIT;
 571
 572         vl.values = values;
 573         vl.values_len = 2;
 574         sstrncpy (vl.host, hostname_g, sizeof (vl.host));
 575         sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
 576         sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
 577
 578         sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
 579         vl.values[0].gauge = ps->vmem_size;
 580         vl.values_len = 1;
 581         plugin_dispatch_values (&vl);
 582
 583         sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
 584         vl.values[0].gauge = ps->vmem_rss;
 585         vl.values_len = 1;
 586         plugin_dispatch_values (&vl);
 587
 588         sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
 589         vl.values[0].gauge = ps->stack_size;
 590         vl.values_len = 1;
 591         plugin_dispatch_values (&vl);
 592
 593         sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
 594         vl.values[0].counter = ps->cpu_user_counter;
 595         vl.values[1].counter = ps->cpu_system_counter;
 596         vl.values_len = 2;
 597         plugin_dispatch_values (&vl);
 598
 599         sstrncpy (vl.type, "ps_count", sizeof (vl.type));
 600         vl.values[0].gauge = ps->num_proc;
 601         vl.values[1].gauge = ps->num_lwp;
 602         vl.values_len = 2;
 603         plugin_dispatch_values (&vl);
 604
 605         sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
 606         vl.values[0].counter = ps->vmem_minflt_counter;
 607         vl.values[1].counter = ps->vmem_majflt_counter;
 608         vl.values_len = 2;
 609         plugin_dispatch_values (&vl);
 610
 611         DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; vmem_rss = %lu; "
 612                         "vmem_minflt_counter = %lu; vmem_majflt_counter = %lu; "
 613                         "cpu_user_counter = %lu; cpu_system_counter = %lu;",
 614                         ps->name, ps->num_proc, ps->num_lwp, ps->vmem_rss,
 615                         ps->vmem_minflt_counter, ps->vmem_majflt_counter,
 616                         ps->cpu_user_counter, ps->cpu_system_counter);
 617 } /* void ps_submit_proc_list */
 618
 619 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
 620 #if KERNEL_LINUX
 621 static int *ps_read_tasks (int pid)
 622 {
 623         int *list = NULL;
 624         int  list_size = 1; /* size of allocated space, in elements */
 625         int  list_len = 0;  /* number of currently used elements */
 626
 627         char           dirname[64];
 628         DIR           *dh;
 629         struct dirent *ent;
 630
 631         ssnprintf (dirname, sizeof (dirname), "/proc/%i/task", pid);
 632
 633         if ((dh = opendir (dirname)) == NULL)
 634         {
 635                 DEBUG ("Failed to open directory `%s'", dirname);
 636                 return (NULL);
 637         }
 638
 639         while ((ent = readdir (dh)) != NULL)
 640         {
 641                 if (!isdigit (ent->d_name[0]))
 642                         continue;
 643
 644                 if ((list_len + 1) >= list_size)
 645                 {
 646                         int *new_ptr;
 647                         int  new_size = 2 * list_size;
 648                         /* Comes in sizes: 2, 4, 8, 16, ... */
 649
 650                         new_ptr = (int *) realloc (list, (size_t) (sizeof (int) * new_size));
 651                         if (new_ptr == NULL)
 652                         {
 653                                 if (list != NULL)
 654                                         free (list);
 655                                 ERROR ("processes plugin: "
 656                                                 "Failed to allocate more memory.");
 657                                 return (NULL);
 658                         }
 659
 660                         list = new_ptr;
 661                         list_size = new_size;
 662
 663                         memset (list + list_len, 0, sizeof (int) * (list_size - list_len));
 664                 }
 665
 666                 list[list_len] = atoi (ent->d_name);
 667                 if (list[list_len] != 0)
 668                         list_len++;
 669         }
 670
 671         closedir (dh);
 672
 673         if (list_len == 0)
 674                 return (NULL);
 675
 676         assert (list_len < list_size);
 677         assert (list[list_len] == 0);
 678
 679         return (list);
 680 } /* int *ps_read_tasks */
 681
 682 int ps_read_process (int pid, procstat_t *ps, char *state)
 683 {
 684         char  filename[64];
 685         char  buffer[1024];
 686
 687         char *fields[64];
 688         char  fields_len;
 689
 690         int  *tasks;
 691         int   i;
 692
 693         int   ppid;
 694         int   name_len;
 695
 696         long long unsigned cpu_user_counter;
 697         long long unsigned cpu_system_counter;
 698         long long unsigned vmem_size;
 699         long long unsigned vmem_rss;
 700         long long unsigned stack_size;
 701
 702         memset (ps, 0, sizeof (procstat_t));
 703
 704         ssnprintf (filename, sizeof (filename), "/proc/%i/stat", pid);
 705
 706         i = read_file_contents (filename, buffer, sizeof(buffer) - 1);
 707         if (i <= 0)
 708                 return (-1);
 709         buffer[i] = 0;
 710
 711         fields_len = strsplit (buffer, fields, 64);
 712         if (fields_len < 24)
 713         {
 714                 DEBUG ("processes plugin: ps_read_process (pid = %i):"
 715                                 " `%s' has only %i fields..",
 716                                 (int) pid, filename, fields_len);
 717                 return (-1);
 718         }
 719
 720         /* copy the name, strip brackets in the process */
 721         name_len = strlen (fields[1]) - 2;
 722         if ((fields[1][0] != '(') || (fields[1][name_len + 1] != ')'))
 723         {
 724                 DEBUG ("No brackets found in process name: `%s'", fields[1]);
 725                 return (-1);
 726         }
 727         fields[1] = fields[1] + 1;
 728         fields[1][name_len] = '\0';
 729         strncpy (ps->name, fields[1], PROCSTAT_NAME_LEN);
 730
 731         ppid = atoi (fields[3]);
 732
 733         *state = fields[2][0];
 734
 735         if (*state == 'Z')
 736         {
 737                 ps->num_lwp  = 0;
 738                 ps->num_proc = 0;
 739         }
 740         else if ((tasks = ps_read_tasks (pid)) == NULL)
 741         {
 742                 /* Kernel 2.4 or so */
 743                 ps->num_lwp  = 1;
 744                 ps->num_proc = 1;
 745         }
 746         else
 747         {
 748                 ps->num_lwp  = 0;
 749                 ps->num_proc = 1;
 750                 for (i = 0; tasks[i] != 0; i++)
 751                         ps->num_lwp++;
 752
 753                 free (tasks);
 754                 tasks = NULL;
 755         }
 756
 757         /* Leave the rest at zero if this is only a zombi */
 758         if (ps->num_proc == 0)
 759         {
 760                 DEBUG ("processes plugin: This is only a zombi: pid = %i; "
 761                                 "name = %s;", pid, ps->name);
 762                 return (0);
 763         }
 764
 765         cpu_user_counter   = atoll (fields[13]);
 766         cpu_system_counter = atoll (fields[14]);
 767         vmem_size          = atoll (fields[22]);
 768         vmem_rss           = atoll (fields[23]);
 769         ps->vmem_minflt_counter = atol (fields[9]);
 770         ps->vmem_majflt_counter = atol (fields[11]);
 771
 772         {
 773                 unsigned long long stack_start = atoll (fields[27]);
 774                 unsigned long long stack_ptr   = atoll (fields[28]);
 775
 776                 stack_size = (stack_start > stack_ptr)
 777                         ? stack_start - stack_ptr
 778                         : stack_ptr - stack_start;
 779         }
 780
 781         /* Convert jiffies to useconds */
 782         cpu_user_counter   = cpu_user_counter   * 1000000 / CONFIG_HZ;
 783         cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
 784         vmem_rss = vmem_rss * pagesize_g;
 785
 786         ps->cpu_user_counter = (unsigned long) cpu_user_counter;
 787         ps->cpu_system_counter = (unsigned long) cpu_system_counter;
 788         ps->vmem_size = (unsigned long) vmem_size;
 789         ps->vmem_rss = (unsigned long) vmem_rss;
 790         ps->stack_size = (unsigned long) stack_size;
 791
 792         /* success */
 793         return (0);
 794 } /* int ps_read_process (...) */
 795
 796 static char *ps_get_cmdline (pid_t pid, char *name, char *buf, size_t buf_len)
 797 {
 798         char  *buf_ptr;
 799         size_t len;
 800
 801         char file[PATH_MAX];
 802         int  fd;
 803
 804         size_t n;
 805
 806         if ((pid < 1) || (NULL == buf) || (buf_len < 2))
 807                 return NULL;
 808
 809         ssnprintf (file, sizeof (file), "/proc/%u/cmdline", pid);
 810
 811         fd = open (file, O_RDONLY);
 812         if (fd < 0) {
 813                 char errbuf[4096];
 814                 WARNING ("processes plugin: Failed to open `%s': %s.", file,
 815                                 sstrerror (errno, errbuf, sizeof (errbuf)));
 816                 return NULL;
 817         }
 818
 819         buf_ptr = buf;
 820         len     = buf_len;
 821
 822         n = 0;
 823
 824         while (42) {
 825                 ssize_t status;
 826
 827                 status = read (fd, (void *)buf_ptr, len);
 828
 829                 if (status < 0) {
 830                         char errbuf[4096];
 831
 832                         if ((EAGAIN == errno) || (EINTR == errno))
 833                                 continue;
 834
 835                         WARNING ("processes plugin: Failed to read from `%s': %s.", file,
 836                                         sstrerror (errno, errbuf, sizeof (errbuf)));
 837                         close (fd);
 838                         return NULL;
 839                 }
 840
 841                 n += status;
 842
 843                 if (status == 0)
 844                         break;
 845
 846                 buf_ptr += status;
 847                 len     -= status;
 848
 849                 if (len <= 0)
 850                         break;
 851         }
 852
 853         close (fd);
 854
 855         if (0 == n) {
 856                 /* cmdline not available; e.g. kernel thread, zombie */
 857                 if (NULL == name)
 858                         return NULL;
 859
 860                 ssnprintf (buf, buf_len, "[%s]", name);
 861                 return buf;
 862         }
 863
 864         assert (n <= buf_len);
 865
 866         if (n == buf_len)
 867                 --n;
 868         buf[n] = '\0';
 869
 870         --n;
 871         /* remove trailing whitespace */
 872         while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
 873                 buf[n] = '\0';
 874                 --n;
 875         }
 876
 877         /* arguments are separated by '\0' in /proc/<pid>/cmdline */
 878         while (n > 0) {
 879                 if ('\0' == buf[n])
 880                         buf[n] = ' ';
 881                 --n;
 882         }
 883         return buf;
 884 } /* char *ps_get_cmdline (...) */
 885 #endif /* KERNEL_LINUX */
 886
 887 #if HAVE_THREAD_INFO
 888 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
 889 {
 890         int mib[4];
 891
 892         struct kinfo_proc kp;
 893         size_t            kp_size;
 894
 895         mib[0] = CTL_KERN;
 896         mib[1] = KERN_PROC;
 897         mib[2] = KERN_PROC_PID;
 898
 899         if (pid_for_task (t, pid) != KERN_SUCCESS)
 900                 return (-1);
 901         mib[3] = *pid;
 902
 903         kp_size = sizeof (kp);
 904         if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
 905                 return (-1);
 906
 907         if (name_max_len > (MAXCOMLEN + 1))
 908                 name_max_len = MAXCOMLEN + 1;
 909
 910         strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
 911         name[name_max_len - 1] = '\0';
 912
 913         DEBUG ("pid = %i; name = %s;", *pid, name);
 914
 915         /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
 916          * `top' does it, because it is a lot of work and only used when
 917          * debugging. -octo */
 918
 919         return (0);
 920 }
 921 #endif /* HAVE_THREAD_INFO */
 922 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
 923
 924 /* do actual readings from kernel */
 925 static int ps_read (void)
 926 {
 927 #if HAVE_THREAD_INFO
 928         kern_return_t            status;
 929
 930         int                      pset;
 931         processor_set_t          port_pset_priv;
 932
 933         int                      task;
 934         task_array_t             task_list;
 935         mach_msg_type_number_t   task_list_len;
 936
 937         int                      task_pid;
 938         char                     task_name[MAXCOMLEN + 1];
 939
 940         int                      thread;
 941         thread_act_array_t       thread_list;
 942         mach_msg_type_number_t   thread_list_len;
 943         thread_basic_info_data_t thread_data;
 944         mach_msg_type_number_t   thread_data_len;
 945
 946         int running  = 0;
 947         int sleeping = 0;
 948         int zombies  = 0;
 949         int stopped  = 0;
 950         int blocked  = 0;
 951
 952         procstat_t *ps;
 953         procstat_entry_t pse;
 954
 955         ps_list_reset ();
 956
 957         /*
 958          * The Mach-concept is a little different from the traditional UNIX
 959          * concept: All the work is done in threads. Threads are contained in
 960          * `tasks'. Therefore, `task status' doesn't make much sense, since
 961          * it's actually a `thread status'.
 962          * Tasks are assigned to sets of processors, so that's where you go to
 963          * get a list.
 964          */
 965         for (pset = 0; pset < pset_list_len; pset++)
 966         {
 967                 if ((status = host_processor_set_priv (port_host_self,
 968                                                 pset_list[pset],
 969                                                 &port_pset_priv)) != KERN_SUCCESS)
 970                 {
 971                         ERROR ("host_processor_set_priv failed: %s\n",
 972                                         mach_error_string (status));
 973                         continue;
 974                 }
 975
 976                 if ((status = processor_set_tasks (port_pset_priv,
 977                                                 &task_list,
 978                                                 &task_list_len)) != KERN_SUCCESS)
 979                 {
 980                         ERROR ("processor_set_tasks failed: %s\n",
 981                                         mach_error_string (status));
 982                         mach_port_deallocate (port_task_self, port_pset_priv);
 983                         continue;
 984                 }
 985
 986                 for (task = 0; task < task_list_len; task++)
 987                 {
 988                         ps = NULL;
 989                         if (mach_get_task_name (task_list[task],
 990                                                 &task_pid,
 991                                                 task_name, PROCSTAT_NAME_LEN) == 0)
 992                         {
 993                                 /* search for at least one match */
 994                                 for (ps = list_head_g; ps != NULL; ps = ps->next)
 995                                         /* FIXME: cmdline should be here instead of NULL */
 996                                         if (ps_list_match (task_name, NULL, ps) == 1)
 997                                                 break;
 998                         }
 999
1000                         /* Collect more detailed statistics for this process */
1001                         if (ps != NULL)
1002                         {
1003                                 task_basic_info_data_t        task_basic_info;
1004                                 mach_msg_type_number_t        task_basic_info_len;
1005                                 task_events_info_data_t       task_events_info;
1006                                 mach_msg_type_number_t        task_events_info_len;
1007                                 task_absolutetime_info_data_t task_absolutetime_info;
1008                                 mach_msg_type_number_t        task_absolutetime_info_len;
1009
1010                                 memset (&pse, '\0', sizeof (pse));
1011                                 pse.id = task_pid;
1012
1013                                 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1014                                 status = task_info (task_list[task],
1015                                                 TASK_BASIC_INFO,
1016                                                 (task_info_t) &task_basic_info,
1017                                                 &task_basic_info_len);
1018                                 if (status != KERN_SUCCESS)
1019                                 {
1020                                         ERROR ("task_info failed: %s",
1021                                                         mach_error_string (status));
1022                                         continue; /* with next thread_list */
1023                                 }
1024
1025                                 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1026                                 status = task_info (task_list[task],
1027                                                 TASK_EVENTS_INFO,
1028                                                 (task_info_t) &task_events_info,
1029                                                 &task_events_info_len);
1030                                 if (status != KERN_SUCCESS)
1031                                 {
1032                                         ERROR ("task_info failed: %s",
1033                                                         mach_error_string (status));
1034                                         continue; /* with next thread_list */
1035                                 }
1036
1037                                 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1038                                 status = task_info (task_list[task],
1039                                                 TASK_ABSOLUTETIME_INFO,
1040                                                 (task_info_t) &task_absolutetime_info,
1041                                                 &task_absolutetime_info_len);
1042                                 if (status != KERN_SUCCESS)
1043                                 {
1044                                         ERROR ("task_info failed: %s",
1045                                                         mach_error_string (status));
1046                                         continue; /* with next thread_list */
1047                                 }
1048
1049                                 pse.num_proc++;
1050                                 pse.vmem_rss = task_basic_info.resident_size;
1051
1052                                 pse.vmem_minflt_counter = task_events_info.cow_faults;
1053                                 pse.vmem_majflt_counter = task_events_info.faults;
1054
1055                                 pse.cpu_user_counter = task_absolutetime_info.total_user;
1056                                 pse.cpu_system_counter = task_absolutetime_info.total_system;
1057                         }
1058
1059                         status = task_threads (task_list[task], &thread_list,
1060                                         &thread_list_len);
1061                         if (status != KERN_SUCCESS)
1062                         {
1063                                 /* Apple's `top' treats this case a zombie. It
1064                                  * makes sense to some extend: A `zombie'
1065                                  * thread is nonsense, since the task/process
1066                                  * is dead. */
1067                                 zombies++;
1068                                 DEBUG ("task_threads failed: %s",
1069                                                 mach_error_string (status));
1070                                 if (task_list[task] != port_task_self)
1071                                         mach_port_deallocate (port_task_self,
1072                                                         task_list[task]);
1073                                 continue; /* with next task_list */
1074                         }
1075
1076                         for (thread = 0; thread < thread_list_len; thread++)
1077                         {
1078                                 thread_data_len = THREAD_BASIC_INFO_COUNT;
1079                                 status = thread_info (thread_list[thread],
1080                                                 THREAD_BASIC_INFO,
1081                                                 (thread_info_t) &thread_data,
1082                                                 &thread_data_len);
1083                                 if (status != KERN_SUCCESS)
1084                                 {
1085                                         ERROR ("thread_info failed: %s",
1086                                                         mach_error_string (status));
1087                                         if (task_list[task] != port_task_self)
1088                                                 mach_port_deallocate (port_task_self,
1089                                                                 thread_list[thread]);
1090                                         continue; /* with next thread_list */
1091                                 }
1092
1093                                 if (ps != NULL)
1094                                         pse.num_lwp++;
1095
1096                                 switch (thread_data.run_state)
1097                                 {
1098                                         case TH_STATE_RUNNING:
1099                                                 running++;
1100                                                 break;
1101                                         case TH_STATE_STOPPED:
1102                                         /* What exactly is `halted'? */
1103                                         case TH_STATE_HALTED:
1104                                                 stopped++;
1105                                                 break;
1106                                         case TH_STATE_WAITING:
1107                                                 sleeping++;
1108                                                 break;
1109                                         case TH_STATE_UNINTERRUPTIBLE:
1110                                                 blocked++;
1111                                                 break;
1112                                         /* There is no `zombie' case here,
1113                                          * since there are no zombie-threads.
1114                                          * There's only zombie tasks, which are
1115                                          * handled above. */
1116                                         default:
1117                                                 WARNING ("Unknown thread status: %i",
1118                                                                 thread_data.run_state);
1119                                                 break;
1120                                 } /* switch (thread_data.run_state) */
1121
1122                                 if (task_list[task] != port_task_self)
1123                                 {
1124                                         status = mach_port_deallocate (port_task_self,
1125                                                         thread_list[thread]);
1126                                         if (status != KERN_SUCCESS)
1127                                                 ERROR ("mach_port_deallocate failed: %s",
1128                                                                 mach_error_string (status));
1129                                 }
1130                         } /* for (thread_list) */
1131
1132                         if ((status = vm_deallocate (port_task_self,
1133                                                         (vm_address_t) thread_list,
1134                                                         thread_list_len * sizeof (thread_act_t)))
1135                                         != KERN_SUCCESS)
1136                         {
1137                                 ERROR ("vm_deallocate failed: %s",
1138                                                 mach_error_string (status));
1139                         }
1140                         thread_list = NULL;
1141                         thread_list_len = 0;
1142
1143                         /* Only deallocate the task port, if it isn't our own.
1144                          * Don't know what would happen in that case, but this
1145                          * is what Apple's top does.. ;) */
1146                         if (task_list[task] != port_task_self)
1147                         {
1148                                 status = mach_port_deallocate (port_task_self,
1149                                                 task_list[task]);
1150                                 if (status != KERN_SUCCESS)
1151                                         ERROR ("mach_port_deallocate failed: %s",
1152                                                         mach_error_string (status));
1153                         }
1154
1155                         if (ps != NULL)
1156                                 /* FIXME: cmdline should be here instead of NULL */
1157                                 ps_list_add (task_name, NULL, &pse);
1158                 } /* for (task_list) */
1159
1160                 if ((status = vm_deallocate (port_task_self,
1161                                 (vm_address_t) task_list,
1162                                 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1163                 {
1164                         ERROR ("vm_deallocate failed: %s",
1165                                         mach_error_string (status));
1166                 }
1167                 task_list = NULL;
1168                 task_list_len = 0;
1169
1170                 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1171                                 != KERN_SUCCESS)
1172                 {
1173                         ERROR ("mach_port_deallocate failed: %s",
1174                                         mach_error_string (status));
1175                 }
1176         } /* for (pset_list) */
1177
1178         ps_submit_state ("running", running);
1179         ps_submit_state ("sleeping", sleeping);
1180         ps_submit_state ("zombies", zombies);
1181         ps_submit_state ("stopped", stopped);
1182         ps_submit_state ("blocked", blocked);
1183
1184         for (ps = list_head_g; ps != NULL; ps = ps->next)
1185                 ps_submit_proc_list (ps);
1186 /* #endif HAVE_THREAD_INFO */
1187
1188 #elif KERNEL_LINUX
1189         int running  = 0;
1190         int sleeping = 0;
1191         int zombies  = 0;
1192         int stopped  = 0;
1193         int paging   = 0;
1194         int blocked  = 0;
1195
1196         struct dirent *ent;
1197         DIR           *proc;
1198         int            pid;
1199
1200         char cmdline[ARG_MAX];
1201
1202         int        status;
1203         procstat_t ps;
1204         procstat_entry_t pse;
1205         char       state;
1206
1207         procstat_t *ps_ptr;
1208
1209         running = sleeping = zombies = stopped = paging = blocked = 0;
1210         ps_list_reset ();
1211
1212         if ((proc = opendir ("/proc")) == NULL)
1213         {
1214                 char errbuf[1024];
1215                 ERROR ("Cannot open `/proc': %s",
1216                                 sstrerror (errno, errbuf, sizeof (errbuf)));
1217                 return (-1);
1218         }
1219
1220         while ((ent = readdir (proc)) != NULL)
1221         {
1222                 if (!isdigit (ent->d_name[0]))
1223                         continue;
1224
1225                 if ((pid = atoi (ent->d_name)) < 1)
1226                         continue;
1227
1228                 status = ps_read_process (pid, &ps, &state);
1229                 if (status != 0)
1230                 {
1231                         DEBUG ("ps_read_process failed: %i", status);
1232                         continue;
1233                 }
1234
1235                 pse.id       = pid;
1236                 pse.age      = 0;
1237
1238                 pse.num_proc   = ps.num_proc;
1239                 pse.num_lwp    = ps.num_lwp;
1240                 pse.vmem_size  = ps.vmem_size;
1241                 pse.vmem_rss   = ps.vmem_rss;
1242                 pse.stack_size = ps.stack_size;
1243
1244                 pse.vmem_minflt = 0;
1245                 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1246                 pse.vmem_majflt = 0;
1247                 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1248
1249                 pse.cpu_user = 0;
1250                 pse.cpu_user_counter = ps.cpu_user_counter;
1251                 pse.cpu_system = 0;
1252                 pse.cpu_system_counter = ps.cpu_system_counter;
1253
1254                 switch (state)
1255                 {
1256                         case 'R': running++;  break;
1257                         case 'S': sleeping++; break;
1258                         case 'D': blocked++;  break;
1259                         case 'Z': zombies++;  break;
1260                         case 'T': stopped++;  break;
1261                         case 'W': paging++;   break;
1262                 }
1263
1264                 ps_list_add (ps.name,
1265                                 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1266                                 &pse);
1267         }
1268
1269         closedir (proc);
1270
1271         ps_submit_state ("running",  running);
1272         ps_submit_state ("sleeping", sleeping);
1273         ps_submit_state ("zombies",  zombies);
1274         ps_submit_state ("stopped",  stopped);
1275         ps_submit_state ("paging",   paging);
1276         ps_submit_state ("blocked",  blocked);
1277
1278         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1279                 ps_submit_proc_list (ps_ptr);
1280 /* #endif KERNEL_LINUX */
1281
1282 #elif HAVE_LIBKVM_GETPROCS
1283         int running  = 0;
1284         int sleeping = 0;
1285         int zombies  = 0;
1286         int stopped  = 0;
1287         int blocked  = 0;
1288         int idle     = 0;
1289         int wait     = 0;
1290
1291         kvm_t *kd;
1292         char errbuf[1024];
1293         char cmdline[ARG_MAX];
1294         char *cmdline_ptr;
1295         struct kinfo_proc *procs;          /* array of processes */
1296         char **argv;
1297         int count;                         /* returns number of processes */
1298         int i;
1299
1300         procstat_t *ps_ptr;
1301         procstat_entry_t pse;
1302
1303         ps_list_reset ();
1304
1305         /* Open the kvm interface, get a descriptor */
1306         kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
1307         if (kd == NULL)
1308         {
1309                 ERROR ("processes plugin: Cannot open kvm interface: %s",
1310                                 errbuf);
1311                 return (0);
1312         }
1313
1314         /* Get the list of processes. */
1315         procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1316         if (procs == NULL)
1317         {
1318                 kvm_close (kd);
1319                 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1320                                 kvm_geterr(kd));
1321                 return (0);
1322         }
1323
1324         /* Iterate through the processes in kinfo_proc */
1325         for (i = 0; i < count; i++)
1326         {
1327                 /* retrieve the arguments */
1328                 cmdline[0] = 0;
1329                 cmdline_ptr = NULL;
1330
1331                 argv = kvm_getargv (kd, (const struct kinfo_proc *) &(procs[i]), 0);
1332                 if (argv != NULL)
1333                 {
1334                         int status;
1335                         int argc;
1336
1337                         argc = 0;
1338                         while (argv[argc] != NULL)
1339                                 argc++;
1340
1341                         status = strjoin (cmdline, sizeof (cmdline),
1342                                         argv, argc, " ");
1343
1344                         if (status < 0)
1345                         {
1346                                 WARNING ("processes plugin: Command line did "
1347                                                 "not fit into buffer.");
1348                         }
1349                         else
1350                         {
1351                                 cmdline_ptr = &cmdline[0];
1352                         }
1353                 }
1354
1355                 pse.id       = procs[i].ki_pid;
1356                 pse.age      = 0;
1357
1358                 pse.num_proc = 1;
1359                 pse.num_lwp  = procs[i].ki_numthreads;
1360
1361                 /* pse.vmem_size = procs[i].ki_size; */
1362                 pse.vmem_rss = procs[i].ki_rssize * getpagesize();
1363                 /* pse.stack_size = procs[i].ki_ssize * getpagesize(); */
1364                 pse.vmem_minflt = 0;
1365                 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1366                 pse.vmem_majflt = 0;
1367                 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1368
1369                 pse.cpu_user = 0;
1370                 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_sec
1371                         * 1000
1372                         + procs[i].ki_rusage.ru_utime.tv_usec;
1373                 pse.cpu_system = 0;
1374                 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_sec
1375                         * 1000
1376                         + procs[i].ki_rusage.ru_stime.tv_usec;
1377
1378                 switch (procs[i].ki_stat)
1379                 {
1380                         case SSTOP:     stopped++;      break;
1381                         case SSLEEP:    sleeping++;     break;
1382                         case SRUN:      running++;      break;
1383                         case SIDL:      idle++;         break;
1384                         case SWAIT:     wait++;         break;
1385                         case SLOCK:     blocked++;      break;
1386                         case SZOMB:     zombies++;      break;
1387                 }
1388
1389                 ps_list_add (procs[i].ki_comm, cmdline_ptr, &pse);
1390         }
1391
1392         kvm_close(kd);
1393
1394         ps_submit_state ("running",  running);
1395         ps_submit_state ("sleeping", sleeping);
1396         ps_submit_state ("zombies",  zombies);
1397         ps_submit_state ("stopped",  stopped);
1398         ps_submit_state ("blocked",  blocked);
1399         ps_submit_state ("idle",     idle);
1400         ps_submit_state ("wait",     wait);
1401
1402         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1403                 ps_submit_proc_list (ps_ptr);
1404 #endif /* HAVE_LIBKVM_GETPROCS */
1405
1406         return (0);
1407 } /* int ps_read */
1408
1409 void module_register (void)
1410 {
1411         plugin_register_config ("processes", ps_config,
1412                         config_keys, config_keys_num);
1413         plugin_register_init ("processes", ps_init);
1414         plugin_register_read ("processes", ps_read);
1415 } /* void module_register */