src/processes.c

   1 /**
   2  * collectd - src/processes.c
   3  * Copyright (C) 2005       Lyonel Vincent
   4  * Copyright (C) 2006-2010  Florian octo Forster
   5  * Copyright (C) 2008       Oleg King
   6  * Copyright (C) 2009       Sebastian Harl
   7  * Copyright (C) 2009       Andrés J. Díaz
   8  * Copyright (C) 2009       Manuel Sanmartin
   9  * Copyright (C) 2010       Clément Stenac
  10  * Copyright (C) 2012       Cosmin Ioiart
  11  *
  12  * This program is free software; you can redistribute it and/or modify it
  13  * under the terms of the GNU General Public License as published by the
  14  * Free Software Foundation; either version 2 of the License, or (at your
  15  * option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful, but
  18  * WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20  * General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License along
  23  * with this program; if not, write to the Free Software Foundation, Inc.,
  24  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  25  *
  26  * Authors:
  27  *   Lyonel Vincent <lyonel at ezix.org>
  28  *   Florian octo Forster <octo at verplant.org>
  29  *   Oleg King <king2 at kaluga.ru>
  30  *   Sebastian Harl <sh at tokkee.org>
  31  *   Andrés J. Díaz <ajdiaz at connectical.com>
  32  *   Manuel Sanmartin
  33  *   Clément Stenac <clement.stenac at diwi.org>
  34  *   Cosmin Ioiart <cioiart at gmail.com>
  35  **/
  36
  37 #include "collectd.h"
  38 #include "common.h"
  39 #include "plugin.h"
  40 #include "configfile.h"
  41
  42 /* Include header files for the mach system, if they exist.. */
  43 #if HAVE_THREAD_INFO
  44 #  if HAVE_MACH_MACH_INIT_H
  45 #    include <mach/mach_init.h>
  46 #  endif
  47 #  if HAVE_MACH_HOST_PRIV_H
  48 #    include <mach/host_priv.h>
  49 #  endif
  50 #  if HAVE_MACH_MACH_ERROR_H
  51 #    include <mach/mach_error.h>
  52 #  endif
  53 #  if HAVE_MACH_MACH_HOST_H
  54 #    include <mach/mach_host.h>
  55 #  endif
  56 #  if HAVE_MACH_MACH_PORT_H
  57 #    include <mach/mach_port.h>
  58 #  endif
  59 #  if HAVE_MACH_MACH_TYPES_H
  60 #    include <mach/mach_types.h>
  61 #  endif
  62 #  if HAVE_MACH_MESSAGE_H
  63 #    include <mach/message.h>
  64 #  endif
  65 #  if HAVE_MACH_PROCESSOR_SET_H
  66 #    include <mach/processor_set.h>
  67 #  endif
  68 #  if HAVE_MACH_TASK_H
  69 #    include <mach/task.h>
  70 #  endif
  71 #  if HAVE_MACH_THREAD_ACT_H
  72 #    include <mach/thread_act.h>
  73 #  endif
  74 #  if HAVE_MACH_VM_REGION_H
  75 #    include <mach/vm_region.h>
  76 #  endif
  77 #  if HAVE_MACH_VM_MAP_H
  78 #    include <mach/vm_map.h>
  79 #  endif
  80 #  if HAVE_MACH_VM_PROT_H
  81 #    include <mach/vm_prot.h>
  82 #  endif
  83 #  if HAVE_SYS_SYSCTL_H
  84 #    include <sys/sysctl.h>
  85 #  endif
  86 /* #endif HAVE_THREAD_INFO */
  87
  88 #elif KERNEL_LINUX
  89 #  if HAVE_LINUX_CONFIG_H
  90 #    include <linux/config.h>
  91 #  endif
  92 #  ifndef CONFIG_HZ
  93 #    define CONFIG_HZ 100
  94 #  endif
  95 /* #endif KERNEL_LINUX */
  96
  97 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
  98 #  include <kvm.h>
  99 #  include <sys/param.h>
 100 #  include <sys/sysctl.h>
 101 #  include <sys/user.h>
 102 #  include <sys/proc.h>
 103 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
 104
 105 #elif HAVE_PROCINFO_H
 106 #  include <procinfo.h>
 107 #  include <sys/types.h>
 108
 109 #define MAXPROCENTRY 32
 110 #define MAXTHRDENTRY 16
 111 #define MAXARGLN 1024
 112 /* #endif HAVE_PROCINFO_H */
 113
 114 #elif KERNEL_SOLARIS
 115 /* Hack: Avoid #error when building a 32-bit binary with
 116  * _FILE_OFFSET_BITS=64. There is a reason for this #error, as one
 117  * of the structures in <sys/procfs.h> uses an off_t, but that
 118  * isn't relevant to our usage of procfs. */
 119 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64
 120 #  define SAVE_FOB_64
 121 #  undef _FILE_OFFSET_BITS
 122 #endif
 123
 124 # include <procfs.h>
 125
 126 #ifdef SAVE_FOB_64
 127 #  define _FILE_OFFSET_BITS 64
 128 #  undef SAVE_FOB_64
 129 #endif
 130
 131 # include <dirent.h>
 132 /* #endif KERNEL_SOLARIS */
 133
 134 #else
 135 # error "No applicable input method."
 136 #endif
 137
 138 #if HAVE_REGEX_H
 139 # include <regex.h>
 140 #endif
 141
 142 #if HAVE_KSTAT_H
 143 # include <kstat.h>
 144 #endif
 145
 146 #ifndef ARG_MAX
 147 #  define ARG_MAX 4096
 148 #endif
 149
 150 typedef struct procstat_entry_s
 151 {
 152         unsigned long id;
 153         unsigned long age;
 154
 155         unsigned long num_proc;
 156         unsigned long num_lwp;
 157         unsigned long vmem_size;
 158         unsigned long vmem_rss;
 159         unsigned long vmem_data;
 160         unsigned long vmem_code;
 161         unsigned long stack_size;
 162
 163         unsigned long vmem_minflt;
 164         unsigned long vmem_majflt;
 165         derive_t      vmem_minflt_counter;
 166         derive_t      vmem_majflt_counter;
 167
 168         unsigned long cpu_user;
 169         unsigned long cpu_system;
 170         derive_t      cpu_user_counter;
 171         derive_t      cpu_system_counter;
 172
 173         /* io data */
 174         derive_t io_rchar;
 175         derive_t io_wchar;
 176         derive_t io_syscr;
 177         derive_t io_syscw;
 178
 179         struct procstat_entry_s *next;
 180 } procstat_entry_t;
 181
 182 #define PROCSTAT_NAME_LEN 256
 183 typedef struct procstat
 184 {
 185         char          name[PROCSTAT_NAME_LEN];
 186 #if HAVE_REGEX_H
 187         regex_t *re;
 188 #endif
 189
 190         unsigned long num_proc;
 191         unsigned long num_lwp;
 192         unsigned long vmem_size;
 193         unsigned long vmem_rss;
 194         unsigned long vmem_data;
 195         unsigned long vmem_code;
 196         unsigned long stack_size;
 197
 198         derive_t vmem_minflt_counter;
 199         derive_t vmem_majflt_counter;
 200
 201         derive_t cpu_user_counter;
 202         derive_t cpu_system_counter;
 203
 204         /* io data */
 205         derive_t io_rchar;
 206         derive_t io_wchar;
 207         derive_t io_syscr;
 208         derive_t io_syscw;
 209
 210         struct procstat   *next;
 211         struct procstat_entry_s *instances;
 212 } procstat_t;
 213
 214 static procstat_t *list_head_g = NULL;
 215
 216 #if HAVE_THREAD_INFO
 217 static mach_port_t port_host_self;
 218 static mach_port_t port_task_self;
 219
 220 static processor_set_name_array_t pset_list;
 221 static mach_msg_type_number_t     pset_list_len;
 222 /* #endif HAVE_THREAD_INFO */
 223
 224 #elif KERNEL_LINUX
 225 static long pagesize_g;
 226 /* #endif KERNEL_LINUX */
 227
 228 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
 229 static int pagesize;
 230 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
 231
 232 #elif HAVE_PROCINFO_H
 233 static  struct procentry64 procentry[MAXPROCENTRY];
 234 static  struct thrdentry64 thrdentry[MAXTHRDENTRY];
 235 static int pagesize;
 236
 237 #ifndef _AIXVERSION_610
 238 int     getprocs64 (void *procsinfo, int sizproc, void *fdsinfo, int sizfd, pid_t *index, int count);
 239 int     getthrds64( pid_t, void *, int, tid64_t *, int );
 240 #endif
 241 int getargs (void *processBuffer, int bufferLen, char *argsBuffer, int argsLen);
 242 #endif /* HAVE_PROCINFO_H */
 243
 244 /* put name of process from config to list_head_g tree
 245  * list_head_g is a list of 'procstat_t' structs with
 246  * processes names we want to watch */
 247 static void ps_list_register (const char *name, const char *regexp)
 248 {
 249         procstat_t *new;
 250         procstat_t *ptr;
 251         int status;
 252
 253         new = (procstat_t *) malloc (sizeof (procstat_t));
 254         if (new == NULL)
 255         {
 256                 ERROR ("processes plugin: ps_list_register: malloc failed.");
 257                 return;
 258         }
 259         memset (new, 0, sizeof (procstat_t));
 260         sstrncpy (new->name, name, sizeof (new->name));
 261
 262 #if HAVE_REGEX_H
 263         if (regexp != NULL)
 264         {
 265                 DEBUG ("ProcessMatch: adding \"%s\" as criteria to process %s.", regexp, name);
 266                 new->re = (regex_t *) malloc (sizeof (regex_t));
 267                 if (new->re == NULL)
 268                 {
 269                         ERROR ("processes plugin: ps_list_register: malloc failed.");
 270                         sfree (new);
 271                         return;
 272                 }
 273
 274                 status = regcomp (new->re, regexp, REG_EXTENDED | REG_NOSUB);
 275                 if (status != 0)
 276                 {
 277                         DEBUG ("ProcessMatch: compiling the regular expression \"%s\" failed.", regexp);
 278                         sfree(new->re);
 279                         sfree(new);
 280                         return;
 281                 }
 282         }
 283 #else
 284         if (regexp != NULL)
 285         {
 286                 ERROR ("processes plugin: ps_list_register: "
 287                                 "Regular expression \"%s\" found in config "
 288                                 "file, but support for regular expressions "
 289                                 "has been disabled at compile time.",
 290                                 regexp);
 291                 sfree (new);
 292                 return;
 293         }
 294 #endif
 295
 296         for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
 297         {
 298                 if (strcmp (ptr->name, name) == 0)
 299                 {
 300                         WARNING ("processes plugin: You have configured more "
 301                                         "than one `Process' or "
 302                                         "`ProcessMatch' with the same name. "
 303                                         "All but the first setting will be "
 304                                         "ignored.");
 305 #if HAVE_REGEX_H
 306                         sfree (new->re);
 307 #endif
 308                         sfree (new);
 309                         return;
 310                 }
 311
 312                 if (ptr->next == NULL)
 313                         break;
 314         }
 315
 316         if (ptr == NULL)
 317                 list_head_g = new;
 318         else
 319                 ptr->next = new;
 320 } /* void ps_list_register */
 321
 322 /* try to match name against entry, returns 1 if success */
 323 static int ps_list_match (const char *name, const char *cmdline, procstat_t *ps)
 324 {
 325 #if HAVE_REGEX_H
 326         if (ps->re != NULL)
 327         {
 328                 int status;
 329                 const char *str;
 330
 331                 str = cmdline;
 332                 if ((str == NULL) || (str[0] == 0))
 333                         str = name;
 334
 335                 assert (str != NULL);
 336
 337                 status = regexec (ps->re, str,
 338                                 /* nmatch = */ 0,
 339                                 /* pmatch = */ NULL,
 340                                 /* eflags = */ 0);
 341                 if (status == 0)
 342                         return (1);
 343         }
 344         else
 345 #endif
 346         if (strcmp (ps->name, name) == 0)
 347                 return (1);
 348
 349         return (0);
 350 } /* int ps_list_match */
 351
 352 /* add process entry to 'instances' of process 'name' (or refresh it) */
 353 static void ps_list_add (const char *name, const char *cmdline, procstat_entry_t *entry)
 354 {
 355         procstat_t *ps;
 356         procstat_entry_t *pse;
 357
 358         if (entry->id == 0)
 359                 return;
 360
 361         for (ps = list_head_g; ps != NULL; ps = ps->next)
 362         {
 363                 if ((ps_list_match (name, cmdline, ps)) == 0)
 364                         continue;
 365
 366                 for (pse = ps->instances; pse != NULL; pse = pse->next)
 367                         if ((pse->id == entry->id) || (pse->next == NULL))
 368                                 break;
 369
 370                 if ((pse == NULL) || (pse->id != entry->id))
 371                 {
 372                         procstat_entry_t *new;
 373
 374                         new = (procstat_entry_t *) malloc (sizeof (procstat_entry_t));
 375                         if (new == NULL)
 376                                 return;
 377                         memset (new, 0, sizeof (procstat_entry_t));
 378                         new->id = entry->id;
 379
 380                         if (pse == NULL)
 381                                 ps->instances = new;
 382                         else
 383                                 pse->next = new;
 384
 385                         pse = new;
 386                 }
 387
 388                 pse->age = 0;
 389                 pse->num_proc   = entry->num_proc;
 390                 pse->num_lwp    = entry->num_lwp;
 391                 pse->vmem_size  = entry->vmem_size;
 392                 pse->vmem_rss   = entry->vmem_rss;
 393                 pse->vmem_data  = entry->vmem_data;
 394                 pse->vmem_code  = entry->vmem_code;
 395                 pse->stack_size = entry->stack_size;
 396                 pse->io_rchar   = entry->io_rchar;
 397                 pse->io_wchar   = entry->io_wchar;
 398                 pse->io_syscr   = entry->io_syscr;
 399                 pse->io_syscw   = entry->io_syscw;
 400
 401                 ps->num_proc   += pse->num_proc;
 402                 ps->num_lwp    += pse->num_lwp;
 403                 ps->vmem_size  += pse->vmem_size;
 404                 ps->vmem_rss   += pse->vmem_rss;
 405                 ps->vmem_data  += pse->vmem_data;
 406                 ps->vmem_code  += pse->vmem_code;
 407                 ps->stack_size += pse->stack_size;
 408
 409                 ps->io_rchar   += ((pse->io_rchar == -1)?0:pse->io_rchar);
 410                 ps->io_wchar   += ((pse->io_wchar == -1)?0:pse->io_wchar);
 411                 ps->io_syscr   += ((pse->io_syscr == -1)?0:pse->io_syscr);
 412                 ps->io_syscw   += ((pse->io_syscw == -1)?0:pse->io_syscw);
 413
 414                 if ((entry->vmem_minflt_counter == 0)
 415                                 && (entry->vmem_majflt_counter == 0))
 416                 {
 417                         pse->vmem_minflt_counter += entry->vmem_minflt;
 418                         pse->vmem_minflt = entry->vmem_minflt;
 419
 420                         pse->vmem_majflt_counter += entry->vmem_majflt;
 421                         pse->vmem_majflt = entry->vmem_majflt;
 422                 }
 423                 else
 424                 {
 425                         if (entry->vmem_minflt_counter < pse->vmem_minflt_counter)
 426                         {
 427                                 pse->vmem_minflt = entry->vmem_minflt_counter
 428                                         + (ULONG_MAX - pse->vmem_minflt_counter);
 429                         }
 430                         else
 431                         {
 432                                 pse->vmem_minflt = entry->vmem_minflt_counter - pse->vmem_minflt_counter;
 433                         }
 434                         pse->vmem_minflt_counter = entry->vmem_minflt_counter;
 435
 436                         if (entry->vmem_majflt_counter < pse->vmem_majflt_counter)
 437                         {
 438                                 pse->vmem_majflt = entry->vmem_majflt_counter
 439                                         + (ULONG_MAX - pse->vmem_majflt_counter);
 440                         }
 441                         else
 442                         {
 443                                 pse->vmem_majflt = entry->vmem_majflt_counter - pse->vmem_majflt_counter;
 444                         }
 445                         pse->vmem_majflt_counter = entry->vmem_majflt_counter;
 446                 }
 447
 448                 ps->vmem_minflt_counter += pse->vmem_minflt;
 449                 ps->vmem_majflt_counter += pse->vmem_majflt;
 450
 451                 if ((entry->cpu_user_counter == 0)
 452                                 && (entry->cpu_system_counter == 0))
 453                 {
 454                         pse->cpu_user_counter += entry->cpu_user;
 455                         pse->cpu_user = entry->cpu_user;
 456
 457                         pse->cpu_system_counter += entry->cpu_system;
 458                         pse->cpu_system = entry->cpu_system;
 459                 }
 460                 else
 461                 {
 462                         if (entry->cpu_user_counter < pse->cpu_user_counter)
 463                         {
 464                                 pse->cpu_user = entry->cpu_user_counter
 465                                         + (ULONG_MAX - pse->cpu_user_counter);
 466                         }
 467                         else
 468                         {
 469                                 pse->cpu_user = entry->cpu_user_counter - pse->cpu_user_counter;
 470                         }
 471                         pse->cpu_user_counter = entry->cpu_user_counter;
 472
 473                         if (entry->cpu_system_counter < pse->cpu_system_counter)
 474                         {
 475                                 pse->cpu_system = entry->cpu_system_counter
 476                                         + (ULONG_MAX - pse->cpu_system_counter);
 477                         }
 478                         else
 479                         {
 480                                 pse->cpu_system = entry->cpu_system_counter - pse->cpu_system_counter;
 481                         }
 482                         pse->cpu_system_counter = entry->cpu_system_counter;
 483                 }
 484
 485                 ps->cpu_user_counter   += pse->cpu_user;
 486                 ps->cpu_system_counter += pse->cpu_system;
 487         }
 488 }
 489
 490 /* remove old entries from instances of processes in list_head_g */
 491 static void ps_list_reset (void)
 492 {
 493         procstat_t *ps;
 494         procstat_entry_t *pse;
 495         procstat_entry_t *pse_prev;
 496
 497         for (ps = list_head_g; ps != NULL; ps = ps->next)
 498         {
 499                 ps->num_proc    = 0;
 500                 ps->num_lwp     = 0;
 501                 ps->vmem_size   = 0;
 502                 ps->vmem_rss    = 0;
 503                 ps->vmem_data   = 0;
 504                 ps->vmem_code   = 0;
 505                 ps->stack_size  = 0;
 506                 ps->io_rchar = -1;
 507                 ps->io_wchar = -1;
 508                 ps->io_syscr = -1;
 509                 ps->io_syscw = -1;
 510
 511                 pse_prev = NULL;
 512                 pse = ps->instances;
 513                 while (pse != NULL)
 514                 {
 515                         if (pse->age > 10)
 516                         {
 517                                 DEBUG ("Removing this procstat entry cause it's too old: "
 518                                                 "id = %lu; name = %s;",
 519                                                 pse->id, ps->name);
 520
 521                                 if (pse_prev == NULL)
 522                                 {
 523                                         ps->instances = pse->next;
 524                                         free (pse);
 525                                         pse = ps->instances;
 526                                 }
 527                                 else
 528                                 {
 529                                         pse_prev->next = pse->next;
 530                                         free (pse);
 531                                         pse = pse_prev->next;
 532                                 }
 533                         }
 534                         else
 535                         {
 536                                 pse->age++;
 537                                 pse_prev = pse;
 538                                 pse = pse->next;
 539                         }
 540                 } /* while (pse != NULL) */
 541         } /* for (ps = list_head_g; ps != NULL; ps = ps->next) */
 542 }
 543
 544 /* put all pre-defined 'Process' names from config to list_head_g tree */
 545 static int ps_config (oconfig_item_t *ci)
 546 {
 547         int i;
 548
 549 #if KERNEL_LINUX
 550         const size_t max_procname_len = 15;
 551 #endif
 552
 553         for (i = 0; i < ci->children_num; ++i) {
 554                 oconfig_item_t *c = ci->children + i;
 555
 556                 if (strcasecmp (c->key, "Process") == 0)
 557                 {
 558                         if ((c->values_num != 1)
 559                                         || (OCONFIG_TYPE_STRING != c->values[0].type)) {
 560                                 ERROR ("processes plugin: `Process' expects exactly "
 561                                                 "one string argument (got %i).",
 562                                                 c->values_num);
 563                                 continue;
 564                         }
 565
 566                         if (c->children_num != 0) {
 567                                 WARNING ("processes plugin: the `Process' config option "
 568                                                 "does not expect any child elements -- ignoring "
 569                                                 "content (%i elements) of the <Process '%s'> block.",
 570                                                 c->children_num, c->values[0].value.string);
 571                         }
 572
 573 #if KERNEL_LINUX
 574                         if (strlen (c->values[0].value.string) > max_procname_len) {
 575                                 WARNING ("processes plugin: this platform has a %lu character limit "
 576                                                 "to process names. The `Process \"%s\"' option will "
 577                                                 "not work as expected.",
 578                                                 max_procname_len, c->values[0].value.string);
 579                         }
 580 #endif
 581
 582                         ps_list_register (c->values[0].value.string, NULL);
 583                 }
 584                 else if (strcasecmp (c->key, "ProcessMatch") == 0)
 585                 {
 586                         if ((c->values_num != 2)
 587                                         || (OCONFIG_TYPE_STRING != c->values[0].type)
 588                                         || (OCONFIG_TYPE_STRING != c->values[1].type))
 589                         {
 590                                 ERROR ("processes plugin: `ProcessMatch' needs exactly "
 591                                                 "two string arguments (got %i).",
 592                                                 c->values_num);
 593                                 continue;
 594                         }
 595
 596                         if (c->children_num != 0) {
 597                                 WARNING ("processes plugin: the `ProcessMatch' config option "
 598                                                 "does not expect any child elements -- ignoring "
 599                                                 "content (%i elements) of the <ProcessMatch '%s' '%s'> "
 600                                                 "block.", c->children_num, c->values[0].value.string,
 601                                                 c->values[1].value.string);
 602                         }
 603
 604                         ps_list_register (c->values[0].value.string,
 605                                         c->values[1].value.string);
 606                 }
 607                 else
 608                 {
 609                         ERROR ("processes plugin: The `%s' configuration option is not "
 610                                         "understood and will be ignored.", c->key);
 611                         continue;
 612                 }
 613         }
 614
 615         return (0);
 616 }
 617
 618 static int ps_init (void)
 619 {
 620 #if HAVE_THREAD_INFO
 621         kern_return_t status;
 622
 623         port_host_self = mach_host_self ();
 624         port_task_self = mach_task_self ();
 625
 626         if (pset_list != NULL)
 627         {
 628                 vm_deallocate (port_task_self,
 629                                 (vm_address_t) pset_list,
 630                                 pset_list_len * sizeof (processor_set_t));
 631                 pset_list = NULL;
 632                 pset_list_len = 0;
 633         }
 634
 635         if ((status = host_processor_sets (port_host_self,
 636                                         &pset_list,
 637                                         &pset_list_len)) != KERN_SUCCESS)
 638         {
 639                 ERROR ("host_processor_sets failed: %s\n",
 640                                 mach_error_string (status));
 641                 pset_list = NULL;
 642                 pset_list_len = 0;
 643                 return (-1);
 644         }
 645 /* #endif HAVE_THREAD_INFO */
 646
 647 #elif KERNEL_LINUX
 648         pagesize_g = sysconf(_SC_PAGESIZE);
 649         DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
 650                         pagesize_g, CONFIG_HZ);
 651 /* #endif KERNEL_LINUX */
 652
 653 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
 654         pagesize = getpagesize();
 655 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
 656
 657 #elif HAVE_PROCINFO_H
 658         pagesize = getpagesize();
 659 #endif /* HAVE_PROCINFO_H */
 660
 661         return (0);
 662 } /* int ps_init */
 663
 664 /* submit global state (e.g.: qty of zombies, running, etc..) */
 665 static void ps_submit_state (const char *state, double value)
 666 {
 667         value_t values[1];
 668         value_list_t vl = VALUE_LIST_INIT;
 669
 670         values[0].gauge = value;
 671
 672         vl.values = values;
 673         vl.values_len = 1;
 674         sstrncpy (vl.host, hostname_g, sizeof (vl.host));
 675         sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
 676         sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
 677         sstrncpy (vl.type, "ps_state", sizeof (vl.type));
 678         sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
 679
 680         plugin_dispatch_values (&vl);
 681 }
 682
 683 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
 684 static void ps_submit_proc_list (procstat_t *ps)
 685 {
 686         value_t values[2];
 687         value_list_t vl = VALUE_LIST_INIT;
 688
 689         vl.values = values;
 690         vl.values_len = 2;
 691         sstrncpy (vl.host, hostname_g, sizeof (vl.host));
 692         sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
 693         sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
 694
 695         sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
 696         vl.values[0].gauge = ps->vmem_size;
 697         vl.values_len = 1;
 698         plugin_dispatch_values (&vl);
 699
 700         sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
 701         vl.values[0].gauge = ps->vmem_rss;
 702         vl.values_len = 1;
 703         plugin_dispatch_values (&vl);
 704
 705         sstrncpy (vl.type, "ps_data", sizeof (vl.type));
 706         vl.values[0].gauge = ps->vmem_data;
 707         vl.values_len = 1;
 708         plugin_dispatch_values (&vl);
 709
 710         sstrncpy (vl.type, "ps_code", sizeof (vl.type));
 711         vl.values[0].gauge = ps->vmem_code;
 712         vl.values_len = 1;
 713         plugin_dispatch_values (&vl);
 714
 715         sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
 716         vl.values[0].gauge = ps->stack_size;
 717         vl.values_len = 1;
 718         plugin_dispatch_values (&vl);
 719
 720         sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
 721         vl.values[0].derive = ps->cpu_user_counter;
 722         vl.values[1].derive = ps->cpu_system_counter;
 723         vl.values_len = 2;
 724         plugin_dispatch_values (&vl);
 725
 726         sstrncpy (vl.type, "ps_count", sizeof (vl.type));
 727         vl.values[0].gauge = ps->num_proc;
 728         vl.values[1].gauge = ps->num_lwp;
 729         vl.values_len = 2;
 730         plugin_dispatch_values (&vl);
 731
 732         sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
 733         vl.values[0].derive = ps->vmem_minflt_counter;
 734         vl.values[1].derive = ps->vmem_majflt_counter;
 735         vl.values_len = 2;
 736         plugin_dispatch_values (&vl);
 737
 738         if ( (ps->io_rchar != -1) && (ps->io_wchar != -1) )
 739         {
 740                 sstrncpy (vl.type, "ps_disk_octets", sizeof (vl.type));
 741                 vl.values[0].derive = ps->io_rchar;
 742                 vl.values[1].derive = ps->io_wchar;
 743                 vl.values_len = 2;
 744                 plugin_dispatch_values (&vl);
 745         }
 746
 747         if ( (ps->io_syscr != -1) && (ps->io_syscw != -1) )
 748         {
 749                 sstrncpy (vl.type, "ps_disk_ops", sizeof (vl.type));
 750                 vl.values[0].derive = ps->io_syscr;
 751                 vl.values[1].derive = ps->io_syscw;
 752                 vl.values_len = 2;
 753                 plugin_dispatch_values (&vl);
 754         }
 755
 756         DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
 757                         "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
 758                         "vmem_code = %lu; "
 759                         "vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
 760                         "cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
 761                         "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
 762                         "io_syscr = %"PRIi64"; io_syscw = %"PRIi64";",
 763                         ps->name, ps->num_proc, ps->num_lwp,
 764                         ps->vmem_size, ps->vmem_rss,
 765                         ps->vmem_data, ps->vmem_code,
 766                         ps->vmem_minflt_counter, ps->vmem_majflt_counter,
 767                         ps->cpu_user_counter, ps->cpu_system_counter,
 768                         ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw);
 769 } /* void ps_submit_proc_list */
 770
 771 #if KERNEL_LINUX || KERNEL_SOLARIS
 772 static void ps_submit_fork_rate (derive_t value)
 773 {
 774         value_t values[1];
 775         value_list_t vl = VALUE_LIST_INIT;
 776
 777         values[0].derive = value;
 778
 779         vl.values = values;
 780         vl.values_len = 1;
 781         sstrncpy(vl.host, hostname_g, sizeof (vl.host));
 782         sstrncpy(vl.plugin, "processes", sizeof (vl.plugin));
 783         sstrncpy(vl.plugin_instance, "", sizeof (vl.plugin_instance));
 784         sstrncpy(vl.type, "fork_rate", sizeof (vl.type));
 785         sstrncpy(vl.type_instance, "", sizeof (vl.type_instance));
 786
 787         plugin_dispatch_values(&vl);
 788 }
 789 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
 790
 791 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
 792 #if KERNEL_LINUX
 793 static int ps_read_tasks (int pid)
 794 {
 795         char           dirname[64];
 796         DIR           *dh;
 797         struct dirent *ent;
 798         int count = 0;
 799
 800         ssnprintf (dirname, sizeof (dirname), "/proc/%i/task", pid);
 801
 802         if ((dh = opendir (dirname)) == NULL)
 803         {
 804                 DEBUG ("Failed to open directory `%s'", dirname);
 805                 return (-1);
 806         }
 807
 808         while ((ent = readdir (dh)) != NULL)
 809         {
 810                 if (!isdigit ((int) ent->d_name[0]))
 811                         continue;
 812                 else
 813                         count++;
 814         }
 815         closedir (dh);
 816
 817         return ((count >= 1) ? count : 1);
 818 } /* int *ps_read_tasks */
 819
 820 /* Read advanced virtual memory data from /proc/pid/status */
 821 static procstat_t *ps_read_vmem (int pid, procstat_t *ps)
 822 {
 823         FILE *fh;
 824         char buffer[1024];
 825         char filename[64];
 826         unsigned long long lib = 0;
 827         unsigned long long exe = 0;
 828         unsigned long long data = 0;
 829         char *fields[8];
 830         int numfields;
 831
 832         ssnprintf (filename, sizeof (filename), "/proc/%i/status", pid);
 833         if ((fh = fopen (filename, "r")) == NULL)
 834                 return (NULL);
 835
 836         while (fgets (buffer, sizeof(buffer), fh) != NULL)
 837         {
 838                 long long tmp;
 839                 char *endptr;
 840
 841                 if (strncmp (buffer, "Vm", 2) != 0)
 842                         continue;
 843
 844                 numfields = strsplit (buffer, fields,
 845                                 STATIC_ARRAY_SIZE (fields));
 846
 847                 if (numfields < 2)
 848                         continue;
 849
 850                 errno = 0;
 851                 endptr = NULL;
 852                 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
 853                 if ((errno == 0) && (endptr != fields[1]))
 854                 {
 855                         if (strncmp (buffer, "VmData", 6) == 0)
 856                         {
 857                                 data = tmp;
 858                         }
 859                         else if (strncmp (buffer, "VmLib", 5) == 0)
 860                         {
 861                                 lib = tmp;
 862                         }
 863                         else if  (strncmp(buffer, "VmExe", 5) == 0)
 864                         {
 865                                 exe = tmp;
 866                         }
 867                 }
 868         } /* while (fgets) */
 869
 870         if (fclose (fh))
 871         {
 872                 char errbuf[1024];
 873                 WARNING ("processes: fclose: %s",
 874                                 sstrerror (errno, errbuf, sizeof (errbuf)));
 875         }
 876
 877         ps->vmem_data = data * 1024;
 878         ps->vmem_code = (exe + lib) * 1024;
 879
 880         return (ps);
 881 } /* procstat_t *ps_read_vmem */
 882
 883 static procstat_t *ps_read_io (int pid, procstat_t *ps)
 884 {
 885         FILE *fh;
 886         char buffer[1024];
 887         char filename[64];
 888
 889         char *fields[8];
 890         int numfields;
 891
 892         ssnprintf (filename, sizeof (filename), "/proc/%i/io", pid);
 893         if ((fh = fopen (filename, "r")) == NULL)
 894                 return (NULL);
 895
 896         while (fgets (buffer, sizeof (buffer), fh) != NULL)
 897         {
 898                 derive_t *val = NULL;
 899                 long long tmp;
 900                 char *endptr;
 901
 902                 if (strncasecmp (buffer, "rchar:", 6) == 0)
 903                         val = &(ps->io_rchar);
 904                 else if (strncasecmp (buffer, "wchar:", 6) == 0)
 905                         val = &(ps->io_wchar);
 906                 else if (strncasecmp (buffer, "syscr:", 6) == 0)
 907                         val = &(ps->io_syscr);
 908                 else if (strncasecmp (buffer, "syscw:", 6) == 0)
 909                         val = &(ps->io_syscw);
 910                 else
 911                         continue;
 912
 913                 numfields = strsplit (buffer, fields,
 914                                 STATIC_ARRAY_SIZE (fields));
 915
 916                 if (numfields < 2)
 917                         continue;
 918
 919                 errno = 0;
 920                 endptr = NULL;
 921                 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
 922                 if ((errno != 0) || (endptr == fields[1]))
 923                         *val = -1;
 924                 else
 925                         *val = (derive_t) tmp;
 926         } /* while (fgets) */
 927
 928         if (fclose (fh))
 929         {
 930                 char errbuf[1024];
 931                 WARNING ("processes: fclose: %s",
 932                                 sstrerror (errno, errbuf, sizeof (errbuf)));
 933         }
 934
 935         return (ps);
 936 } /* procstat_t *ps_read_io */
 937
 938 int ps_read_process (int pid, procstat_t *ps, char *state)
 939 {
 940         char  filename[64];
 941         char  buffer[1024];
 942
 943         char *fields[64];
 944         char  fields_len;
 945
 946         int   buffer_len;
 947
 948         char *buffer_ptr;
 949         size_t name_start_pos;
 950         size_t name_end_pos;
 951         size_t name_len;
 952
 953         derive_t cpu_user_counter;
 954         derive_t cpu_system_counter;
 955         long long unsigned vmem_size;
 956         long long unsigned vmem_rss;
 957         long long unsigned stack_size;
 958
 959         memset (ps, 0, sizeof (procstat_t));
 960
 961         ssnprintf (filename, sizeof (filename), "/proc/%i/stat", pid);
 962
 963         buffer_len = read_file_contents (filename,
 964                         buffer, sizeof(buffer) - 1);
 965         if (buffer_len <= 0)
 966                 return (-1);
 967         buffer[buffer_len] = 0;
 968
 969         /* The name of the process is enclosed in parens. Since the name can
 970          * contain parens itself, spaces, numbers and pretty much everything
 971          * else, use these to determine the process name. We don't use
 972          * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
 973          * otherwise be required to determine name_len. */
 974         name_start_pos = 0;
 975         while ((buffer[name_start_pos] != '(')
 976                         && (name_start_pos < buffer_len))
 977                 name_start_pos++;
 978
 979         name_end_pos = buffer_len;
 980         while ((buffer[name_end_pos] != ')')
 981                         && (name_end_pos > 0))
 982                 name_end_pos--;
 983
 984         /* Either '(' or ')' is not found or they are in the wrong order.
 985          * Anyway, something weird that shouldn't happen ever. */
 986         if (name_start_pos >= name_end_pos)
 987         {
 988                 ERROR ("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
 989                                 name_start_pos, name_end_pos);
 990                 return (-1);
 991         }
 992
 993         name_len = (name_end_pos - name_start_pos) - 1;
 994         if (name_len >= sizeof (ps->name))
 995                 name_len = sizeof (ps->name) - 1;
 996
 997         sstrncpy (ps->name, &buffer[name_start_pos + 1], name_len + 1);
 998
 999         if ((buffer_len - name_end_pos) < 2)
1000                 return (-1);
1001         buffer_ptr = &buffer[name_end_pos + 2];
1002
1003         fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
1004         if (fields_len < 22)
1005         {
1006                 DEBUG ("processes plugin: ps_read_process (pid = %i):"
1007                                 " `%s' has only %i fields..",
1008                                 (int) pid, filename, fields_len);
1009                 return (-1);
1010         }
1011
1012         *state = fields[0][0];
1013
1014         if (*state == 'Z')
1015         {
1016                 ps->num_lwp  = 0;
1017                 ps->num_proc = 0;
1018         }
1019         else
1020         {
1021                 if ( (ps->num_lwp = ps_read_tasks (pid)) == -1 )
1022                 {
1023                         /* returns -1 => kernel 2.4 */
1024                         ps->num_lwp = 1;
1025                 }
1026                 ps->num_proc = 1;
1027         }
1028
1029         /* Leave the rest at zero if this is only a zombi */
1030         if (ps->num_proc == 0)
1031         {
1032                 DEBUG ("processes plugin: This is only a zombie: pid = %i; "
1033                                 "name = %s;", pid, ps->name);
1034                 return (0);
1035         }
1036
1037         cpu_user_counter   = atoll (fields[11]);
1038         cpu_system_counter = atoll (fields[12]);
1039         vmem_size          = atoll (fields[20]);
1040         vmem_rss           = atoll (fields[21]);
1041         ps->vmem_minflt_counter = atol (fields[7]);
1042         ps->vmem_majflt_counter = atol (fields[9]);
1043
1044         {
1045                 unsigned long long stack_start = atoll (fields[25]);
1046                 unsigned long long stack_ptr   = atoll (fields[26]);
1047
1048                 stack_size = (stack_start > stack_ptr)
1049                         ? stack_start - stack_ptr
1050                         : stack_ptr - stack_start;
1051         }
1052
1053         /* Convert jiffies to useconds */
1054         cpu_user_counter   = cpu_user_counter   * 1000000 / CONFIG_HZ;
1055         cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1056         vmem_rss = vmem_rss * pagesize_g;
1057
1058         if ( (ps_read_vmem(pid, ps)) == NULL)
1059         {
1060                 /* No VMem data */
1061                 ps->vmem_data = -1;
1062                 ps->vmem_code = -1;
1063                 DEBUG("ps_read_process: did not get vmem data for pid %i",pid);
1064         }
1065
1066         ps->cpu_user_counter = cpu_user_counter;
1067         ps->cpu_system_counter = cpu_system_counter;
1068         ps->vmem_size = (unsigned long) vmem_size;
1069         ps->vmem_rss = (unsigned long) vmem_rss;
1070         ps->stack_size = (unsigned long) stack_size;
1071
1072         if ( (ps_read_io (pid, ps)) == NULL)
1073         {
1074                 /* no io data */
1075                 ps->io_rchar = -1;
1076                 ps->io_wchar = -1;
1077                 ps->io_syscr = -1;
1078                 ps->io_syscw = -1;
1079
1080                 DEBUG("ps_read_process: not get io data for pid %i",pid);
1081         }
1082
1083         /* success */
1084         return (0);
1085 } /* int ps_read_process (...) */
1086
1087 static char *ps_get_cmdline (pid_t pid, char *name, char *buf, size_t buf_len)
1088 {
1089         char  *buf_ptr;
1090         size_t len;
1091
1092         char file[PATH_MAX];
1093         int  fd;
1094
1095         size_t n;
1096
1097         if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1098                 return NULL;
1099
1100         ssnprintf (file, sizeof (file), "/proc/%u/cmdline",
1101                         (unsigned int) pid);
1102
1103         errno = 0;
1104         fd = open (file, O_RDONLY);
1105         if (fd < 0) {
1106                 char errbuf[4096];
1107                 /* ENOENT means the process exited while we were handling it.
1108                  * Don't complain about this, it only fills the logs. */
1109                 if (errno != ENOENT)
1110                         WARNING ("processes plugin: Failed to open `%s': %s.", file,
1111                                         sstrerror (errno, errbuf, sizeof (errbuf)));
1112                 return NULL;
1113         }
1114
1115         buf_ptr = buf;
1116         len     = buf_len;
1117
1118         n = 0;
1119
1120         while (42) {
1121                 ssize_t status;
1122
1123                 status = read (fd, (void *)buf_ptr, len);
1124
1125                 if (status < 0) {
1126                         char errbuf[1024];
1127
1128                         if ((EAGAIN == errno) || (EINTR == errno))
1129                                 continue;
1130
1131                         WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1132                                         sstrerror (errno, errbuf, sizeof (errbuf)));
1133                         close (fd);
1134                         return NULL;
1135                 }
1136
1137                 n += status;
1138
1139                 if (status == 0)
1140                         break;
1141
1142                 buf_ptr += status;
1143                 len     -= status;
1144
1145                 if (len <= 0)
1146                         break;
1147         }
1148
1149         close (fd);
1150
1151         if (0 == n) {
1152                 /* cmdline not available; e.g. kernel thread, zombie */
1153                 if (NULL == name)
1154                         return NULL;
1155
1156                 ssnprintf (buf, buf_len, "[%s]", name);
1157                 return buf;
1158         }
1159
1160         assert (n <= buf_len);
1161
1162         if (n == buf_len)
1163                 --n;
1164         buf[n] = '\0';
1165
1166         --n;
1167         /* remove trailing whitespace */
1168         while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1169                 buf[n] = '\0';
1170                 --n;
1171         }
1172
1173         /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1174         while (n > 0) {
1175                 if ('\0' == buf[n])
1176                         buf[n] = ' ';
1177                 --n;
1178         }
1179         return buf;
1180 } /* char *ps_get_cmdline (...) */
1181
1182 static int read_fork_rate ()
1183 {
1184         FILE *proc_stat;
1185         char buffer[1024];
1186         value_t value;
1187         _Bool value_valid = 0;
1188
1189         proc_stat = fopen ("/proc/stat", "r");
1190         if (proc_stat == NULL)
1191         {
1192                 char errbuf[1024];
1193                 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1194                                 sstrerror (errno, errbuf, sizeof (errbuf)));
1195                 return (-1);
1196         }
1197
1198         while (fgets (buffer, sizeof (buffer), proc_stat) != NULL)
1199         {
1200                 int status;
1201                 char *fields[3];
1202                 int fields_num;
1203
1204                 fields_num = strsplit (buffer, fields,
1205                                 STATIC_ARRAY_SIZE (fields));
1206                 if (fields_num != 2)
1207                         continue;
1208
1209                 if (strcmp ("processes", fields[0]) != 0)
1210                         continue;
1211
1212                 status = parse_value (fields[1], &value, DS_TYPE_DERIVE);
1213                 if (status == 0)
1214                         value_valid = 1;
1215
1216                 break;
1217         }
1218         fclose(proc_stat);
1219
1220         if (!value_valid)
1221                 return (-1);
1222
1223         ps_submit_fork_rate (value.derive);
1224         return (0);
1225 }
1226 #endif /*KERNEL_LINUX */
1227
1228 #if KERNEL_SOLARIS
1229 static char *ps_get_cmdline (pid_t pid, char *name __attribute__((unused)), /* {{{ */
1230     char *buffer, size_t buffer_size)
1231 {
1232         char path[PATH_MAX];
1233         psinfo_t info;
1234         int status;
1235
1236         snprintf(path, sizeof (path), "/proc/%li/psinfo", pid);
1237
1238         status = read_file_contents (path, (void *) &info, sizeof (info));
1239         if (status != sizeof (info))
1240         {
1241                 ERROR ("processes plugin: Unexpected return value "
1242                                 "while reading \"%s\": "
1243                                 "Returned %i but expected %zu.",
1244                                 path, status, buffer_size);
1245                 return (NULL);
1246         }
1247
1248         info.pr_psargs[sizeof (info.pr_psargs) - 1] = 0;
1249         sstrncpy (buffer, info.pr_psargs, buffer_size);
1250
1251         return (buffer);
1252 } /* }}} int ps_get_cmdline */
1253
1254 /*
1255  * Reads process information on the Solaris OS. The information comes mainly from
1256  * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1257  * The values for input and ouput chars are calculated "by hand"
1258  * Added a few "solaris" specific process states as well
1259  */
1260 static int ps_read_process(long pid, procstat_t *ps, char *state)
1261 {
1262         char filename[64];
1263         char f_psinfo[64], f_usage[64];
1264         char *buffer;
1265
1266         pstatus_t *myStatus;
1267         psinfo_t *myInfo;
1268         prusage_t *myUsage;
1269
1270         snprintf(filename, sizeof (filename), "/proc/%li/status", pid);
1271         snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%li/psinfo", pid);
1272         snprintf(f_usage, sizeof (f_usage), "/proc/%li/usage", pid);
1273
1274
1275         buffer = malloc(sizeof (pstatus_t));
1276         memset(buffer, 0, sizeof (pstatus_t));
1277         read_file_contents(filename, buffer, sizeof (pstatus_t));
1278         myStatus = (pstatus_t *) buffer;
1279
1280         buffer = malloc(sizeof (psinfo_t));
1281         memset(buffer, 0, sizeof(psinfo_t));
1282         read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1283         myInfo = (psinfo_t *) buffer;
1284
1285         buffer = malloc(sizeof (prusage_t));
1286         memset(buffer, 0, sizeof(prusage_t));
1287         read_file_contents(f_usage, buffer, sizeof (prusage_t));
1288         myUsage = (prusage_t *) buffer;
1289
1290         sstrncpy(ps->name, myInfo->pr_fname, sizeof (myInfo->pr_fname));
1291         ps->num_lwp = myStatus->pr_nlwp;
1292         if (myInfo->pr_wstat != 0) {
1293                 ps->num_proc = 0;
1294                 ps->num_lwp = 0;
1295                 *state = (char) 'Z';
1296                 return (0);
1297         } else {
1298                 ps->num_proc = 1;
1299                 ps->num_lwp = myInfo->pr_nlwp;
1300         }
1301
1302         /*
1303          * Convert system time and user time from nanoseconds to microseconds
1304          * for compatibility with the linux module
1305          */
1306         ps->cpu_system_counter = myStatus -> pr_stime.tv_nsec / 1000;
1307         ps->cpu_user_counter = myStatus -> pr_utime.tv_nsec / 1000;
1308
1309         /*
1310          * Convert rssize from KB to bytes to be consistent w/ the linux module
1311          */
1312         ps->vmem_rss = myInfo->pr_rssize * 1024;
1313         ps->vmem_size = myInfo->pr_size * 1024;
1314         ps->vmem_minflt_counter = myUsage->pr_minf;
1315         ps->vmem_majflt_counter = myUsage->pr_majf;
1316
1317         /*
1318          * TODO: Data and code segment calculations for Solaris
1319          */
1320
1321         ps->vmem_data = -1;
1322         ps->vmem_code = -1;
1323         ps->stack_size = myStatus->pr_stksize;
1324
1325         /*
1326          * Calculating input/ouput chars
1327          * Formula used is total chars / total blocks => chars/block
1328          * then convert input/output blocks to chars
1329          */
1330         ulong_t tot_chars = myUsage->pr_ioch;
1331         ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1332         ulong_t chars_per_block = 1;
1333         if (tot_blocks != 0)
1334                 chars_per_block = tot_chars / tot_blocks;
1335         ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1336         ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1337         ps->io_syscr = myUsage->pr_sysc;
1338         ps->io_syscw = myUsage->pr_sysc;
1339
1340
1341         /*
1342          * TODO: Find way of setting BLOCKED and PAGING status
1343          */
1344
1345         *state = (char) 'R';
1346         if (myStatus->pr_flags & PR_ASLEEP)
1347                 *state = (char) 'S';
1348         else if (myStatus->pr_flags & PR_STOPPED)
1349                 *state = (char) 'T';
1350         else if (myStatus->pr_flags & PR_DETACH)
1351                 *state = (char) 'E';
1352         else if (myStatus->pr_flags & PR_DAEMON)
1353                 *state = (char) 'A';
1354         else if (myStatus->pr_flags & PR_ISSYS)
1355                 *state = (char) 'Y';
1356         else if (myStatus->pr_flags & PR_ORPHAN)
1357                 *state = (char) 'O';
1358
1359         sfree(myStatus);
1360         sfree(myInfo);
1361         sfree(myUsage);
1362
1363         return (0);
1364 }
1365
1366 /*
1367  * Reads the number of threads created since the last reboot. On Solaris these
1368  * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1369  * The result is the sum for all the threads created on each cpu
1370  */
1371 static int read_fork_rate()
1372 {
1373         extern kstat_ctl_t *kc;
1374         kstat_t *ksp_chain = NULL;
1375         derive_t result = 0;
1376
1377         if (kc == NULL)
1378                 return (-1);
1379
1380         for (ksp_chain = kc->kc_chain;
1381                         ksp_chain != NULL;
1382                         ksp_chain = ksp_chain->ks_next)
1383         {
1384                 if ((strcmp (ksp_chain->ks_module, "cpu") == 0)
1385                                 && (strcmp (ksp_chain->ks_name, "sys") == 0)
1386                                 && (strcmp (ksp_chain->ks_class, "misc") == 0))
1387                 {
1388                         long long tmp;
1389
1390                         kstat_read (kc, ksp_chain, NULL);
1391
1392                         tmp = get_kstat_value(ksp_chain, "nthreads");
1393                         if (tmp != -1LL)
1394                                 result += tmp;
1395                 }
1396         }
1397
1398         ps_submit_fork_rate (result);
1399         return (0);
1400 }
1401 #endif /* KERNEL_SOLARIS */
1402
1403 #if HAVE_THREAD_INFO
1404 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1405 {
1406         int mib[4];
1407
1408         struct kinfo_proc kp;
1409         size_t            kp_size;
1410
1411         mib[0] = CTL_KERN;
1412         mib[1] = KERN_PROC;
1413         mib[2] = KERN_PROC_PID;
1414
1415         if (pid_for_task (t, pid) != KERN_SUCCESS)
1416                 return (-1);
1417         mib[3] = *pid;
1418
1419         kp_size = sizeof (kp);
1420         if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1421                 return (-1);
1422
1423         if (name_max_len > (MAXCOMLEN + 1))
1424                 name_max_len = MAXCOMLEN + 1;
1425
1426         strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1427         name[name_max_len - 1] = '\0';
1428
1429         DEBUG ("pid = %i; name = %s;", *pid, name);
1430
1431         /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1432          * `top' does it, because it is a lot of work and only used when
1433          * debugging. -octo */
1434
1435         return (0);
1436 }
1437 #endif /* HAVE_THREAD_INFO */
1438 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1439
1440 /* do actual readings from kernel */
1441 static int ps_read (void)
1442 {
1443 #if HAVE_THREAD_INFO
1444         kern_return_t            status;
1445
1446         int                      pset;
1447         processor_set_t          port_pset_priv;
1448
1449         int                      task;
1450         task_array_t             task_list;
1451         mach_msg_type_number_t   task_list_len;
1452
1453         int                      task_pid;
1454         char                     task_name[MAXCOMLEN + 1];
1455
1456         int                      thread;
1457         thread_act_array_t       thread_list;
1458         mach_msg_type_number_t   thread_list_len;
1459         thread_basic_info_data_t thread_data;
1460         mach_msg_type_number_t   thread_data_len;
1461
1462         int running  = 0;
1463         int sleeping = 0;
1464         int zombies  = 0;
1465         int stopped  = 0;
1466         int blocked  = 0;
1467
1468         procstat_t *ps;
1469         procstat_entry_t pse;
1470
1471         ps_list_reset ();
1472
1473         /*
1474          * The Mach-concept is a little different from the traditional UNIX
1475          * concept: All the work is done in threads. Threads are contained in
1476          * `tasks'. Therefore, `task status' doesn't make much sense, since
1477          * it's actually a `thread status'.
1478          * Tasks are assigned to sets of processors, so that's where you go to
1479          * get a list.
1480          */
1481         for (pset = 0; pset < pset_list_len; pset++)
1482         {
1483                 if ((status = host_processor_set_priv (port_host_self,
1484                                                 pset_list[pset],
1485                                                 &port_pset_priv)) != KERN_SUCCESS)
1486                 {
1487                         ERROR ("host_processor_set_priv failed: %s\n",
1488                                         mach_error_string (status));
1489                         continue;
1490                 }
1491
1492                 if ((status = processor_set_tasks (port_pset_priv,
1493                                                 &task_list,
1494                                                 &task_list_len)) != KERN_SUCCESS)
1495                 {
1496                         ERROR ("processor_set_tasks failed: %s\n",
1497                                         mach_error_string (status));
1498                         mach_port_deallocate (port_task_self, port_pset_priv);
1499                         continue;
1500                 }
1501
1502                 for (task = 0; task < task_list_len; task++)
1503                 {
1504                         ps = NULL;
1505                         if (mach_get_task_name (task_list[task],
1506                                                 &task_pid,
1507                                                 task_name, PROCSTAT_NAME_LEN) == 0)
1508                         {
1509                                 /* search for at least one match */
1510                                 for (ps = list_head_g; ps != NULL; ps = ps->next)
1511                                         /* FIXME: cmdline should be here instead of NULL */
1512                                         if (ps_list_match (task_name, NULL, ps) == 1)
1513                                                 break;
1514                         }
1515
1516                         /* Collect more detailed statistics for this process */
1517                         if (ps != NULL)
1518                         {
1519                                 task_basic_info_data_t        task_basic_info;
1520                                 mach_msg_type_number_t        task_basic_info_len;
1521                                 task_events_info_data_t       task_events_info;
1522                                 mach_msg_type_number_t        task_events_info_len;
1523                                 task_absolutetime_info_data_t task_absolutetime_info;
1524                                 mach_msg_type_number_t        task_absolutetime_info_len;
1525
1526                                 memset (&pse, '\0', sizeof (pse));
1527                                 pse.id = task_pid;
1528
1529                                 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1530                                 status = task_info (task_list[task],
1531                                                 TASK_BASIC_INFO,
1532                                                 (task_info_t) &task_basic_info,
1533                                                 &task_basic_info_len);
1534                                 if (status != KERN_SUCCESS)
1535                                 {
1536                                         ERROR ("task_info failed: %s",
1537                                                         mach_error_string (status));
1538                                         continue; /* with next thread_list */
1539                                 }
1540
1541                                 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1542                                 status = task_info (task_list[task],
1543                                                 TASK_EVENTS_INFO,
1544                                                 (task_info_t) &task_events_info,
1545                                                 &task_events_info_len);
1546                                 if (status != KERN_SUCCESS)
1547                                 {
1548                                         ERROR ("task_info failed: %s",
1549                                                         mach_error_string (status));
1550                                         continue; /* with next thread_list */
1551                                 }
1552
1553                                 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1554                                 status = task_info (task_list[task],
1555                                                 TASK_ABSOLUTETIME_INFO,
1556                                                 (task_info_t) &task_absolutetime_info,
1557                                                 &task_absolutetime_info_len);
1558                                 if (status != KERN_SUCCESS)
1559                                 {
1560                                         ERROR ("task_info failed: %s",
1561                                                         mach_error_string (status));
1562                                         continue; /* with next thread_list */
1563                                 }
1564
1565                                 pse.num_proc++;
1566                                 pse.vmem_size = task_basic_info.virtual_size;
1567                                 pse.vmem_rss = task_basic_info.resident_size;
1568                                 /* Does not seem to be easily exposed */
1569                                 pse.vmem_data = 0;
1570                                 pse.vmem_code = 0;
1571
1572                                 pse.vmem_minflt_counter = task_events_info.cow_faults;
1573                                 pse.vmem_majflt_counter = task_events_info.faults;
1574
1575                                 pse.cpu_user_counter = task_absolutetime_info.total_user;
1576                                 pse.cpu_system_counter = task_absolutetime_info.total_system;
1577                         }
1578
1579                         status = task_threads (task_list[task], &thread_list,
1580                                         &thread_list_len);
1581                         if (status != KERN_SUCCESS)
1582                         {
1583                                 /* Apple's `top' treats this case a zombie. It
1584                                  * makes sense to some extend: A `zombie'
1585                                  * thread is nonsense, since the task/process
1586                                  * is dead. */
1587                                 zombies++;
1588                                 DEBUG ("task_threads failed: %s",
1589                                                 mach_error_string (status));
1590                                 if (task_list[task] != port_task_self)
1591                                         mach_port_deallocate (port_task_self,
1592                                                         task_list[task]);
1593                                 continue; /* with next task_list */
1594                         }
1595
1596                         for (thread = 0; thread < thread_list_len; thread++)
1597                         {
1598                                 thread_data_len = THREAD_BASIC_INFO_COUNT;
1599                                 status = thread_info (thread_list[thread],
1600                                                 THREAD_BASIC_INFO,
1601                                                 (thread_info_t) &thread_data,
1602                                                 &thread_data_len);
1603                                 if (status != KERN_SUCCESS)
1604                                 {
1605                                         ERROR ("thread_info failed: %s",
1606                                                         mach_error_string (status));
1607                                         if (task_list[task] != port_task_self)
1608                                                 mach_port_deallocate (port_task_self,
1609                                                                 thread_list[thread]);
1610                                         continue; /* with next thread_list */
1611                                 }
1612
1613                                 if (ps != NULL)
1614                                         pse.num_lwp++;
1615
1616                                 switch (thread_data.run_state)
1617                                 {
1618                                         case TH_STATE_RUNNING:
1619                                                 running++;
1620                                                 break;
1621                                         case TH_STATE_STOPPED:
1622                                         /* What exactly is `halted'? */
1623                                         case TH_STATE_HALTED:
1624                                                 stopped++;
1625                                                 break;
1626                                         case TH_STATE_WAITING:
1627                                                 sleeping++;
1628                                                 break;
1629                                         case TH_STATE_UNINTERRUPTIBLE:
1630                                                 blocked++;
1631                                                 break;
1632                                         /* There is no `zombie' case here,
1633                                          * since there are no zombie-threads.
1634                                          * There's only zombie tasks, which are
1635                                          * handled above. */
1636                                         default:
1637                                                 WARNING ("Unknown thread status: %i",
1638                                                                 thread_data.run_state);
1639                                                 break;
1640                                 } /* switch (thread_data.run_state) */
1641
1642                                 if (task_list[task] != port_task_self)
1643                                 {
1644                                         status = mach_port_deallocate (port_task_self,
1645                                                         thread_list[thread]);
1646                                         if (status != KERN_SUCCESS)
1647                                                 ERROR ("mach_port_deallocate failed: %s",
1648                                                                 mach_error_string (status));
1649                                 }
1650                         } /* for (thread_list) */
1651
1652                         if ((status = vm_deallocate (port_task_self,
1653                                                         (vm_address_t) thread_list,
1654                                                         thread_list_len * sizeof (thread_act_t)))
1655                                         != KERN_SUCCESS)
1656                         {
1657                                 ERROR ("vm_deallocate failed: %s",
1658                                                 mach_error_string (status));
1659                         }
1660                         thread_list = NULL;
1661                         thread_list_len = 0;
1662
1663                         /* Only deallocate the task port, if it isn't our own.
1664                          * Don't know what would happen in that case, but this
1665                          * is what Apple's top does.. ;) */
1666                         if (task_list[task] != port_task_self)
1667                         {
1668                                 status = mach_port_deallocate (port_task_self,
1669                                                 task_list[task]);
1670                                 if (status != KERN_SUCCESS)
1671                                         ERROR ("mach_port_deallocate failed: %s",
1672                                                         mach_error_string (status));
1673                         }
1674
1675                         if (ps != NULL)
1676                                 /* FIXME: cmdline should be here instead of NULL */
1677                                 ps_list_add (task_name, NULL, &pse);
1678                 } /* for (task_list) */
1679
1680                 if ((status = vm_deallocate (port_task_self,
1681                                 (vm_address_t) task_list,
1682                                 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1683                 {
1684                         ERROR ("vm_deallocate failed: %s",
1685                                         mach_error_string (status));
1686                 }
1687                 task_list = NULL;
1688                 task_list_len = 0;
1689
1690                 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1691                                 != KERN_SUCCESS)
1692                 {
1693                         ERROR ("mach_port_deallocate failed: %s",
1694                                         mach_error_string (status));
1695                 }
1696         } /* for (pset_list) */
1697
1698         ps_submit_state ("running", running);
1699         ps_submit_state ("sleeping", sleeping);
1700         ps_submit_state ("zombies", zombies);
1701         ps_submit_state ("stopped", stopped);
1702         ps_submit_state ("blocked", blocked);
1703
1704         for (ps = list_head_g; ps != NULL; ps = ps->next)
1705                 ps_submit_proc_list (ps);
1706 /* #endif HAVE_THREAD_INFO */
1707
1708 #elif KERNEL_LINUX
1709         int running  = 0;
1710         int sleeping = 0;
1711         int zombies  = 0;
1712         int stopped  = 0;
1713         int paging   = 0;
1714         int blocked  = 0;
1715
1716         struct dirent *ent;
1717         DIR           *proc;
1718         int            pid;
1719
1720         char cmdline[ARG_MAX];
1721
1722         int        status;
1723         procstat_t ps;
1724         procstat_entry_t pse;
1725         char       state;
1726
1727         procstat_t *ps_ptr;
1728
1729         running = sleeping = zombies = stopped = paging = blocked = 0;
1730         ps_list_reset ();
1731
1732         if ((proc = opendir ("/proc")) == NULL)
1733         {
1734                 char errbuf[1024];
1735                 ERROR ("Cannot open `/proc': %s",
1736                                 sstrerror (errno, errbuf, sizeof (errbuf)));
1737                 return (-1);
1738         }
1739
1740         while ((ent = readdir (proc)) != NULL)
1741         {
1742                 if (!isdigit (ent->d_name[0]))
1743                         continue;
1744
1745                 if ((pid = atoi (ent->d_name)) < 1)
1746                         continue;
1747
1748                 status = ps_read_process (pid, &ps, &state);
1749                 if (status != 0)
1750                 {
1751                         DEBUG ("ps_read_process failed: %i", status);
1752                         continue;
1753                 }
1754
1755                 pse.id       = pid;
1756                 pse.age      = 0;
1757
1758                 pse.num_proc   = ps.num_proc;
1759                 pse.num_lwp    = ps.num_lwp;
1760                 pse.vmem_size  = ps.vmem_size;
1761                 pse.vmem_rss   = ps.vmem_rss;
1762                 pse.vmem_data  = ps.vmem_data;
1763                 pse.vmem_code  = ps.vmem_code;
1764                 pse.stack_size = ps.stack_size;
1765
1766                 pse.vmem_minflt = 0;
1767                 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1768                 pse.vmem_majflt = 0;
1769                 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1770
1771                 pse.cpu_user = 0;
1772                 pse.cpu_user_counter = ps.cpu_user_counter;
1773                 pse.cpu_system = 0;
1774                 pse.cpu_system_counter = ps.cpu_system_counter;
1775
1776                 pse.io_rchar = ps.io_rchar;
1777                 pse.io_wchar = ps.io_wchar;
1778                 pse.io_syscr = ps.io_syscr;
1779                 pse.io_syscw = ps.io_syscw;
1780
1781                 switch (state)
1782                 {
1783                         case 'R': running++;  break;
1784                         case 'S': sleeping++; break;
1785                         case 'D': blocked++;  break;
1786                         case 'Z': zombies++;  break;
1787                         case 'T': stopped++;  break;
1788                         case 'W': paging++;   break;
1789                 }
1790
1791                 ps_list_add (ps.name,
1792                                 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1793                                 &pse);
1794         }
1795
1796         closedir (proc);
1797
1798         ps_submit_state ("running",  running);
1799         ps_submit_state ("sleeping", sleeping);
1800         ps_submit_state ("zombies",  zombies);
1801         ps_submit_state ("stopped",  stopped);
1802         ps_submit_state ("paging",   paging);
1803         ps_submit_state ("blocked",  blocked);
1804
1805         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1806                 ps_submit_proc_list (ps_ptr);
1807
1808         read_fork_rate();
1809 /* #endif KERNEL_LINUX */
1810
1811 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1812         int running  = 0;
1813         int sleeping = 0;
1814         int zombies  = 0;
1815         int stopped  = 0;
1816         int blocked  = 0;
1817         int idle     = 0;
1818         int wait     = 0;
1819
1820         kvm_t *kd;
1821         char errbuf[_POSIX2_LINE_MAX];
1822         struct kinfo_proc *procs;          /* array of processes */
1823         struct kinfo_proc *proc_ptr = NULL;
1824         int count;                         /* returns number of processes */
1825         int i;
1826
1827         procstat_t *ps_ptr;
1828         procstat_entry_t pse;
1829
1830         ps_list_reset ();
1831
1832         /* Open the kvm interface, get a descriptor */
1833         kd = kvm_openfiles (NULL, "/dev/null", NULL, 0, errbuf);
1834         if (kd == NULL)
1835         {
1836                 ERROR ("processes plugin: Cannot open kvm interface: %s",
1837                                 errbuf);
1838                 return (0);
1839         }
1840
1841         /* Get the list of processes. */
1842         procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1843         if (procs == NULL)
1844         {
1845                 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1846                                 kvm_geterr(kd));
1847                 kvm_close (kd);
1848                 return (0);
1849         }
1850
1851         /* Iterate through the processes in kinfo_proc */
1852         for (i = 0; i < count; i++)
1853         {
1854                 /* Create only one process list entry per _process_, i.e.
1855                  * filter out threads (duplicate PID entries). */
1856                 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1857                 {
1858                         char cmdline[ARG_MAX] = "";
1859                         _Bool have_cmdline = 0;
1860
1861                         proc_ptr = &(procs[i]);
1862                         /* Don't probe system processes and processes without arguments */
1863                         if (((procs[i].ki_flag & P_SYSTEM) == 0)
1864                                         && (procs[i].ki_args != NULL))
1865                         {
1866                                 char **argv;
1867                                 int argc;
1868                                 int status;
1869
1870                                 /* retrieve the arguments */
1871                                 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1872                                 argc = 0;
1873                                 if ((argv != NULL) && (argv[0] != NULL))
1874                                 {
1875                                         while (argv[argc] != NULL)
1876                                                 argc++;
1877
1878                                         status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1879                                         if (status < 0)
1880                                                 WARNING ("processes plugin: Command line did not fit into buffer.");
1881                                         else
1882                                                 have_cmdline = 1;
1883                                 }
1884                         } /* if (process has argument list) */
1885
1886                         pse.id       = procs[i].ki_pid;
1887                         pse.age      = 0;
1888
1889                         pse.num_proc = 1;
1890                         pse.num_lwp  = procs[i].ki_numthreads;
1891
1892                         pse.vmem_size = procs[i].ki_size;
1893                         pse.vmem_rss = procs[i].ki_rssize * pagesize;
1894                         pse.vmem_data = procs[i].ki_dsize * pagesize;
1895                         pse.vmem_code = procs[i].ki_tsize * pagesize;
1896                         pse.stack_size = procs[i].ki_ssize * pagesize;
1897                         pse.vmem_minflt = 0;
1898                         pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1899                         pse.vmem_majflt = 0;
1900                         pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1901
1902                         pse.cpu_user = 0;
1903                         pse.cpu_system = 0;
1904                         pse.cpu_user_counter = 0;
1905                         pse.cpu_system_counter = 0;
1906                         /*
1907                          * The u-area might be swapped out, and we can't get
1908                          * at it because we have a crashdump and no swap.
1909                          * If it's here fill in these fields, otherwise, just
1910                          * leave them 0.
1911                          */
1912                         if (procs[i].ki_flag & P_INMEM)
1913                         {
1914                                 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
1915                                         + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
1916                                 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
1917                                         + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
1918                         }
1919
1920                         /* no I/O data */
1921                         pse.io_rchar = -1;
1922                         pse.io_wchar = -1;
1923                         pse.io_syscr = -1;
1924                         pse.io_syscw = -1;
1925
1926                         ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
1927
1928                         switch (procs[i].ki_stat)
1929                         {
1930                                 case SSTOP:     stopped++;      break;
1931                                 case SSLEEP:    sleeping++;     break;
1932                                 case SRUN:      running++;      break;
1933                                 case SIDL:      idle++;         break;
1934                                 case SWAIT:     wait++;         break;
1935                                 case SLOCK:     blocked++;      break;
1936                                 case SZOMB:     zombies++;      break;
1937                         }
1938                 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
1939         }
1940
1941         kvm_close(kd);
1942
1943         ps_submit_state ("running",  running);
1944         ps_submit_state ("sleeping", sleeping);
1945         ps_submit_state ("zombies",  zombies);
1946         ps_submit_state ("stopped",  stopped);
1947         ps_submit_state ("blocked",  blocked);
1948         ps_submit_state ("idle",     idle);
1949         ps_submit_state ("wait",     wait);
1950
1951         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1952                 ps_submit_proc_list (ps_ptr);
1953 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
1954
1955 #elif HAVE_PROCINFO_H
1956         /* AIX */
1957         int running  = 0;
1958         int sleeping = 0;
1959         int zombies  = 0;
1960         int stopped  = 0;
1961         int paging   = 0;
1962         int blocked  = 0;
1963
1964         pid_t pindex = 0;
1965         int nprocs;
1966
1967         procstat_t *ps;
1968         procstat_entry_t pse;
1969
1970         ps_list_reset ();
1971         while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
1972                                         /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
1973                                         &pindex, MAXPROCENTRY)) > 0)
1974         {
1975                 int i;
1976
1977                 for (i = 0; i < nprocs; i++)
1978                 {
1979                         tid64_t thindex;
1980                         int nthreads;
1981                         char arglist[MAXARGLN+1];
1982                         char *cargs;
1983                         char *cmdline;
1984
1985                         if (procentry[i].pi_state == SNONE) continue;
1986                         /* if (procentry[i].pi_state == SZOMB)  FIXME */
1987
1988                         cmdline = procentry[i].pi_comm;
1989                         cargs = procentry[i].pi_comm;
1990                         if ( procentry[i].pi_flags & SKPROC )
1991                         {
1992                                 if (procentry[i].pi_pid == 0)
1993                                         cmdline = "swapper";
1994                                 cargs = cmdline;
1995                         }
1996                         else
1997                         {
1998                                 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
1999                                 {
2000                                         int n;
2001
2002                                         n = -1;
2003                                         while (++n < MAXARGLN)
2004                                         {
2005                                                 if (arglist[n] == '\0')
2006                                                 {
2007                                                         if (arglist[n+1] == '\0')
2008                                                                 break;
2009                                                         arglist[n] = ' ';
2010                                                 }
2011                                         }
2012                                         cargs = arglist;
2013                                 }
2014                         }
2015
2016                         pse.id       = procentry[i].pi_pid;
2017                         pse.age      = 0;
2018                         pse.num_lwp  = procentry[i].pi_thcount;
2019                         pse.num_proc = 1;
2020
2021                         thindex=0;
2022                         while ((nthreads = getthrds64(procentry[i].pi_pid,
2023                                                         thrdentry, sizeof(struct thrdentry64),
2024                                                         &thindex, MAXTHRDENTRY)) > 0)
2025                         {
2026                                 int j;
2027
2028                                 for (j=0; j< nthreads; j++)
2029                                 {
2030                                         switch (thrdentry[j].ti_state)
2031                                         {
2032                                                 /* case TSNONE: break; */
2033                                                 case TSIDL:     blocked++;      break; /* FIXME is really blocked */
2034                                                 case TSRUN:     running++;      break;
2035                                                 case TSSLEEP:   sleeping++;     break;
2036                                                 case TSSWAP:    paging++;       break;
2037                                                 case TSSTOP:    stopped++;      break;
2038                                                 case TSZOMB:    zombies++;      break;
2039                                         }
2040                                 }
2041                                 if (nthreads < MAXTHRDENTRY)
2042                                         break;
2043                         }
2044
2045                         pse.cpu_user = 0;
2046                         /* tv_usec is nanosec ??? */
2047                         pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2048                                 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2049
2050                         pse.cpu_system = 0;
2051                         /* tv_usec is nanosec ??? */
2052                         pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2053                                 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2054
2055                         pse.vmem_minflt = 0;
2056                         pse.vmem_minflt_counter = procentry[i].pi_minflt;
2057                         pse.vmem_majflt = 0;
2058                         pse.vmem_majflt_counter = procentry[i].pi_majflt;
2059
2060                         pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2061                         pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2062                         /* Not supported */
2063                         pse.vmem_data = 0;
2064                         pse.vmem_code = 0;
2065                         pse.stack_size =  0;
2066
2067                         pse.io_rchar = -1;
2068                         pse.io_wchar = -1;
2069                         pse.io_syscr = -1;
2070                         pse.io_syscw = -1;
2071
2072                         ps_list_add (cmdline, cargs, &pse);
2073                 } /* for (i = 0 .. nprocs) */
2074
2075                 if (nprocs < MAXPROCENTRY)
2076                         break;
2077         } /* while (getprocs64() > 0) */
2078         ps_submit_state ("running",  running);
2079         ps_submit_state ("sleeping", sleeping);
2080         ps_submit_state ("zombies",  zombies);
2081         ps_submit_state ("stopped",  stopped);
2082         ps_submit_state ("paging",   paging);
2083         ps_submit_state ("blocked",  blocked);
2084
2085         for (ps = list_head_g; ps != NULL; ps = ps->next)
2086                 ps_submit_proc_list (ps);
2087 /* #endif HAVE_PROCINFO_H */
2088
2089 #elif KERNEL_SOLARIS
2090         /*
2091          * The Solaris section adds a few more process states and removes some
2092          * process states compared to linux. Most notably there is no "PAGING"
2093          * and "BLOCKED" state for a process.  The rest is similar to the linux
2094          * code.
2095          */
2096         int running = 0;
2097         int sleeping = 0;
2098         int zombies = 0;
2099         int stopped = 0;
2100         int detached = 0;
2101         int daemon = 0;
2102         int system = 0;
2103         int orphan = 0;
2104
2105         struct dirent *ent;
2106         DIR *proc;
2107
2108         int status;
2109         procstat_t *ps_ptr;
2110         char state;
2111
2112         char cmdline[PRARGSZ];
2113
2114         ps_list_reset ();
2115
2116         proc = opendir ("/proc");
2117         if (proc == NULL)
2118                 return (-1);
2119
2120         while ((ent = readdir(proc)) != NULL)
2121         {
2122                 long pid;
2123                 struct procstat ps;
2124                 procstat_entry_t pse;
2125                 char *endptr;
2126
2127                 if (!isdigit ((int) ent->d_name[0]))
2128                         continue;
2129
2130                 pid = strtol (ent->d_name, &endptr, 10);
2131                 if (*endptr != 0) /* value didn't completely parse as a number */
2132                         continue;
2133
2134                 status = ps_read_process (pid, &ps, &state);
2135                 if (status != 0)
2136                 {
2137                         DEBUG("ps_read_process failed: %i", status);
2138                         continue;
2139                 }
2140
2141                 pse.id = pid;
2142                 pse.age = 0;
2143
2144                 pse.num_proc   = ps.num_proc;
2145                 pse.num_lwp    = ps.num_lwp;
2146                 pse.vmem_size  = ps.vmem_size;
2147                 pse.vmem_rss   = ps.vmem_rss;
2148                 pse.vmem_data  = ps.vmem_data;
2149                 pse.vmem_code  = ps.vmem_code;
2150                 pse.stack_size = ps.stack_size;
2151
2152                 pse.vmem_minflt = 0;
2153                 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2154                 pse.vmem_majflt = 0;
2155                 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2156
2157                 pse.cpu_user = 0;
2158                 pse.cpu_user_counter = ps.cpu_user_counter;
2159                 pse.cpu_system = 0;
2160                 pse.cpu_system_counter = ps.cpu_system_counter;
2161
2162                 pse.io_rchar = ps.io_rchar;
2163                 pse.io_wchar = ps.io_wchar;
2164                 pse.io_syscr = ps.io_syscr;
2165                 pse.io_syscw = ps.io_syscw;
2166
2167                 switch (state)
2168                 {
2169                         case 'R': running++;  break;
2170                         case 'S': sleeping++; break;
2171                         case 'E': detached++; break;
2172                         case 'Z': zombies++;  break;
2173                         case 'T': stopped++;  break;
2174                         case 'A': daemon++;   break;
2175                         case 'Y': system++;   break;
2176                         case 'O': orphan++;   break;
2177                 }
2178
2179
2180                 ps_list_add (ps.name,
2181                                 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
2182                                 &pse);
2183         } /* while(readdir) */
2184         closedir (proc);
2185
2186         ps_submit_state ("running",  running);
2187         ps_submit_state ("sleeping", sleeping);
2188         ps_submit_state ("zombies",  zombies);
2189         ps_submit_state ("stopped",  stopped);
2190         ps_submit_state ("detached", detached);
2191         ps_submit_state ("daemon",   daemon);
2192         ps_submit_state ("system",   system);
2193         ps_submit_state ("orphan",   orphan);
2194
2195         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2196                 ps_submit_proc_list (ps_ptr);
2197
2198         read_fork_rate();
2199 #endif /* KERNEL_SOLARIS */
2200
2201         return (0);
2202 } /* int ps_read */
2203
2204 void module_register (void)
2205 {
2206         plugin_register_complex_config ("processes", ps_config);
2207         plugin_register_init ("processes", ps_init);
2208         plugin_register_read ("processes", ps_read);
2209 } /* void module_register */