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         for (i = 0; i < ci->children_num; ++i) {
 550                 oconfig_item_t *c = ci->children + i;
 551
 552                 if (strcasecmp (c->key, "Process") == 0)
 553                 {
 554                         if ((c->values_num != 1)
 555                                         || (OCONFIG_TYPE_STRING != c->values[0].type)) {
 556                                 ERROR ("processes plugin: `Process' expects exactly "
 557                                                 "one string argument (got %i).",
 558                                                 c->values_num);
 559                                 continue;
 560                         }
 561
 562                         if (c->children_num != 0) {
 563                                 WARNING ("processes plugin: the `Process' config option "
 564                                                 "does not expect any child elements -- ignoring "
 565                                                 "content (%i elements) of the <Process '%s'> block.",
 566                                                 c->children_num, c->values[0].value.string);
 567                         }
 568
 569                         ps_list_register (c->values[0].value.string, NULL);
 570                 }
 571                 else if (strcasecmp (c->key, "ProcessMatch") == 0)
 572                 {
 573                         if ((c->values_num != 2)
 574                                         || (OCONFIG_TYPE_STRING != c->values[0].type)
 575                                         || (OCONFIG_TYPE_STRING != c->values[1].type))
 576                         {
 577                                 ERROR ("processes plugin: `ProcessMatch' needs exactly "
 578                                                 "two string arguments (got %i).",
 579                                                 c->values_num);
 580                                 continue;
 581                         }
 582
 583                         if (c->children_num != 0) {
 584                                 WARNING ("processes plugin: the `ProcessMatch' config option "
 585                                                 "does not expect any child elements -- ignoring "
 586                                                 "content (%i elements) of the <ProcessMatch '%s' '%s'> "
 587                                                 "block.", c->children_num, c->values[0].value.string,
 588                                                 c->values[1].value.string);
 589                         }
 590
 591                         ps_list_register (c->values[0].value.string,
 592                                         c->values[1].value.string);
 593                 }
 594                 else
 595                 {
 596                         ERROR ("processes plugin: The `%s' configuration option is not "
 597                                         "understood and will be ignored.", c->key);
 598                         continue;
 599                 }
 600         }
 601
 602         return (0);
 603 }
 604
 605 static int ps_init (void)
 606 {
 607 #if HAVE_THREAD_INFO
 608         kern_return_t status;
 609
 610         port_host_self = mach_host_self ();
 611         port_task_self = mach_task_self ();
 612
 613         if (pset_list != NULL)
 614         {
 615                 vm_deallocate (port_task_self,
 616                                 (vm_address_t) pset_list,
 617                                 pset_list_len * sizeof (processor_set_t));
 618                 pset_list = NULL;
 619                 pset_list_len = 0;
 620         }
 621
 622         if ((status = host_processor_sets (port_host_self,
 623                                         &pset_list,
 624                                         &pset_list_len)) != KERN_SUCCESS)
 625         {
 626                 ERROR ("host_processor_sets failed: %s\n",
 627                                 mach_error_string (status));
 628                 pset_list = NULL;
 629                 pset_list_len = 0;
 630                 return (-1);
 631         }
 632 /* #endif HAVE_THREAD_INFO */
 633
 634 #elif KERNEL_LINUX
 635         pagesize_g = sysconf(_SC_PAGESIZE);
 636         DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
 637                         pagesize_g, CONFIG_HZ);
 638 /* #endif KERNEL_LINUX */
 639
 640 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
 641         pagesize = getpagesize();
 642 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
 643
 644 #elif HAVE_PROCINFO_H
 645         pagesize = getpagesize();
 646 #endif /* HAVE_PROCINFO_H */
 647
 648         return (0);
 649 } /* int ps_init */
 650
 651 /* submit global state (e.g.: qty of zombies, running, etc..) */
 652 static void ps_submit_state (const char *state, double value)
 653 {
 654         value_t values[1];
 655         value_list_t vl = VALUE_LIST_INIT;
 656
 657         values[0].gauge = value;
 658
 659         vl.values = values;
 660         vl.values_len = 1;
 661         sstrncpy (vl.host, hostname_g, sizeof (vl.host));
 662         sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
 663         sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
 664         sstrncpy (vl.type, "ps_state", sizeof (vl.type));
 665         sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
 666
 667         plugin_dispatch_values (&vl);
 668 }
 669
 670 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
 671 static void ps_submit_proc_list (procstat_t *ps)
 672 {
 673         value_t values[2];
 674         value_list_t vl = VALUE_LIST_INIT;
 675
 676         vl.values = values;
 677         vl.values_len = 2;
 678         sstrncpy (vl.host, hostname_g, sizeof (vl.host));
 679         sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
 680         sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
 681
 682         sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
 683         vl.values[0].gauge = ps->vmem_size;
 684         vl.values_len = 1;
 685         plugin_dispatch_values (&vl);
 686
 687         sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
 688         vl.values[0].gauge = ps->vmem_rss;
 689         vl.values_len = 1;
 690         plugin_dispatch_values (&vl);
 691
 692         sstrncpy (vl.type, "ps_data", sizeof (vl.type));
 693         vl.values[0].gauge = ps->vmem_data;
 694         vl.values_len = 1;
 695         plugin_dispatch_values (&vl);
 696
 697         sstrncpy (vl.type, "ps_code", sizeof (vl.type));
 698         vl.values[0].gauge = ps->vmem_code;
 699         vl.values_len = 1;
 700         plugin_dispatch_values (&vl);
 701
 702         sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
 703         vl.values[0].gauge = ps->stack_size;
 704         vl.values_len = 1;
 705         plugin_dispatch_values (&vl);
 706
 707         sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
 708         vl.values[0].derive = ps->cpu_user_counter;
 709         vl.values[1].derive = ps->cpu_system_counter;
 710         vl.values_len = 2;
 711         plugin_dispatch_values (&vl);
 712
 713         sstrncpy (vl.type, "ps_count", sizeof (vl.type));
 714         vl.values[0].gauge = ps->num_proc;
 715         vl.values[1].gauge = ps->num_lwp;
 716         vl.values_len = 2;
 717         plugin_dispatch_values (&vl);
 718
 719         sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
 720         vl.values[0].derive = ps->vmem_minflt_counter;
 721         vl.values[1].derive = ps->vmem_majflt_counter;
 722         vl.values_len = 2;
 723         plugin_dispatch_values (&vl);
 724
 725         if ( (ps->io_rchar != -1) && (ps->io_wchar != -1) )
 726         {
 727                 sstrncpy (vl.type, "ps_disk_octets", sizeof (vl.type));
 728                 vl.values[0].derive = ps->io_rchar;
 729                 vl.values[1].derive = ps->io_wchar;
 730                 vl.values_len = 2;
 731                 plugin_dispatch_values (&vl);
 732         }
 733
 734         if ( (ps->io_syscr != -1) && (ps->io_syscw != -1) )
 735         {
 736                 sstrncpy (vl.type, "ps_disk_ops", sizeof (vl.type));
 737                 vl.values[0].derive = ps->io_syscr;
 738                 vl.values[1].derive = ps->io_syscw;
 739                 vl.values_len = 2;
 740                 plugin_dispatch_values (&vl);
 741         }
 742
 743         DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
 744                         "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
 745                         "vmem_code = %lu; "
 746                         "vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
 747                         "cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
 748                         "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
 749                         "io_syscr = %"PRIi64"; io_syscw = %"PRIi64";",
 750                         ps->name, ps->num_proc, ps->num_lwp,
 751                         ps->vmem_size, ps->vmem_rss,
 752                         ps->vmem_data, ps->vmem_code,
 753                         ps->vmem_minflt_counter, ps->vmem_majflt_counter,
 754                         ps->cpu_user_counter, ps->cpu_system_counter,
 755                         ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw);
 756 } /* void ps_submit_proc_list */
 757
 758 #if KERNEL_LINUX || KERNEL_SOLARIS
 759 static void ps_submit_fork_rate (derive_t value)
 760 {
 761         value_t values[1];
 762         value_list_t vl = VALUE_LIST_INIT;
 763
 764         values[0].derive = value;
 765
 766         vl.values = values;
 767         vl.values_len = 1;
 768         sstrncpy(vl.host, hostname_g, sizeof (vl.host));
 769         sstrncpy(vl.plugin, "processes", sizeof (vl.plugin));
 770         sstrncpy(vl.plugin_instance, "", sizeof (vl.plugin_instance));
 771         sstrncpy(vl.type, "fork_rate", sizeof (vl.type));
 772         sstrncpy(vl.type_instance, "", sizeof (vl.type_instance));
 773
 774         plugin_dispatch_values(&vl);
 775 }
 776 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
 777
 778 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
 779 #if KERNEL_LINUX
 780 static int ps_read_tasks (long pid)
 781 {
 782         char           dirname[64];
 783         DIR           *dh;
 784         struct dirent *ent;
 785         int count = 0;
 786
 787         ssnprintf (dirname, sizeof (dirname), "/proc/%li/task", pid);
 788
 789         if ((dh = opendir (dirname)) == NULL)
 790         {
 791                 DEBUG ("Failed to open directory `%s'", dirname);
 792                 return (-1);
 793         }
 794
 795         while ((ent = readdir (dh)) != NULL)
 796         {
 797                 if (!isdigit ((int) ent->d_name[0]))
 798                         continue;
 799                 else
 800                         count++;
 801         }
 802         closedir (dh);
 803
 804         return ((count >= 1) ? count : 1);
 805 } /* int *ps_read_tasks */
 806
 807 /* Read advanced virtual memory data from /proc/pid/status */
 808 static procstat_t *ps_read_vmem (long pid, procstat_t *ps)
 809 {
 810         FILE *fh;
 811         char buffer[1024];
 812         char filename[64];
 813         unsigned long long lib = 0;
 814         unsigned long long exe = 0;
 815         unsigned long long data = 0;
 816         char *fields[8];
 817         int numfields;
 818
 819         ssnprintf (filename, sizeof (filename), "/proc/%li/status", pid);
 820         if ((fh = fopen (filename, "r")) == NULL)
 821                 return (NULL);
 822
 823         while (fgets (buffer, sizeof(buffer), fh) != NULL)
 824         {
 825                 long long tmp;
 826                 char *endptr;
 827
 828                 if (strncmp (buffer, "Vm", 2) != 0)
 829                         continue;
 830
 831                 numfields = strsplit (buffer, fields,
 832                                 STATIC_ARRAY_SIZE (fields));
 833
 834                 if (numfields < 2)
 835                         continue;
 836
 837                 errno = 0;
 838                 endptr = NULL;
 839                 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
 840                 if ((errno == 0) && (endptr != fields[1]))
 841                 {
 842                         if (strncmp (buffer, "VmData", 6) == 0)
 843                         {
 844                                 data = tmp;
 845                         }
 846                         else if (strncmp (buffer, "VmLib", 5) == 0)
 847                         {
 848                                 lib = tmp;
 849                         }
 850                         else if  (strncmp(buffer, "VmExe", 5) == 0)
 851                         {
 852                                 exe = tmp;
 853                         }
 854                 }
 855         } /* while (fgets) */
 856
 857         if (fclose (fh))
 858         {
 859                 char errbuf[1024];
 860                 WARNING ("processes: fclose: %s",
 861                                 sstrerror (errno, errbuf, sizeof (errbuf)));
 862         }
 863
 864         ps->vmem_data = data * 1024;
 865         ps->vmem_code = (exe + lib) * 1024;
 866
 867         return (ps);
 868 } /* procstat_t *ps_read_vmem */
 869
 870 static procstat_t *ps_read_io (long pid, procstat_t *ps)
 871 {
 872         FILE *fh;
 873         char buffer[1024];
 874         char filename[64];
 875
 876         char *fields[8];
 877         int numfields;
 878
 879         ssnprintf (filename, sizeof (filename), "/proc/%li/io", pid);
 880         if ((fh = fopen (filename, "r")) == NULL)
 881                 return (NULL);
 882
 883         while (fgets (buffer, sizeof (buffer), fh) != NULL)
 884         {
 885                 derive_t *val = NULL;
 886                 long long tmp;
 887                 char *endptr;
 888
 889                 if (strncasecmp (buffer, "rchar:", 6) == 0)
 890                         val = &(ps->io_rchar);
 891                 else if (strncasecmp (buffer, "wchar:", 6) == 0)
 892                         val = &(ps->io_wchar);
 893                 else if (strncasecmp (buffer, "syscr:", 6) == 0)
 894                         val = &(ps->io_syscr);
 895                 else if (strncasecmp (buffer, "syscw:", 6) == 0)
 896                         val = &(ps->io_syscw);
 897                 else
 898                         continue;
 899
 900                 numfields = strsplit (buffer, fields,
 901                                 STATIC_ARRAY_SIZE (fields));
 902
 903                 if (numfields < 2)
 904                         continue;
 905
 906                 errno = 0;
 907                 endptr = NULL;
 908                 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
 909                 if ((errno != 0) || (endptr == fields[1]))
 910                         *val = -1;
 911                 else
 912                         *val = (derive_t) tmp;
 913         } /* while (fgets) */
 914
 915         if (fclose (fh))
 916         {
 917                 char errbuf[1024];
 918                 WARNING ("processes: fclose: %s",
 919                                 sstrerror (errno, errbuf, sizeof (errbuf)));
 920         }
 921
 922         return (ps);
 923 } /* procstat_t *ps_read_io */
 924
 925 static int ps_read_process (long pid, procstat_t *ps, char *state)
 926 {
 927         char  filename[64];
 928         char  buffer[1024];
 929
 930         char *fields[64];
 931         char  fields_len;
 932
 933         int   buffer_len;
 934
 935         char *buffer_ptr;
 936         size_t name_start_pos;
 937         size_t name_end_pos;
 938         size_t name_len;
 939
 940         derive_t cpu_user_counter;
 941         derive_t cpu_system_counter;
 942         long long unsigned vmem_size;
 943         long long unsigned vmem_rss;
 944         long long unsigned stack_size;
 945
 946         memset (ps, 0, sizeof (procstat_t));
 947
 948         ssnprintf (filename, sizeof (filename), "/proc/%li/stat", pid);
 949
 950         buffer_len = read_file_contents (filename,
 951                         buffer, sizeof(buffer) - 1);
 952         if (buffer_len <= 0)
 953                 return (-1);
 954         buffer[buffer_len] = 0;
 955
 956         /* The name of the process is enclosed in parens. Since the name can
 957          * contain parens itself, spaces, numbers and pretty much everything
 958          * else, use these to determine the process name. We don't use
 959          * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
 960          * otherwise be required to determine name_len. */
 961         name_start_pos = 0;
 962         while ((buffer[name_start_pos] != '(')
 963                         && (name_start_pos < buffer_len))
 964                 name_start_pos++;
 965
 966         name_end_pos = buffer_len;
 967         while ((buffer[name_end_pos] != ')')
 968                         && (name_end_pos > 0))
 969                 name_end_pos--;
 970
 971         /* Either '(' or ')' is not found or they are in the wrong order.
 972          * Anyway, something weird that shouldn't happen ever. */
 973         if (name_start_pos >= name_end_pos)
 974         {
 975                 ERROR ("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
 976                                 name_start_pos, name_end_pos);
 977                 return (-1);
 978         }
 979
 980         name_len = (name_end_pos - name_start_pos) - 1;
 981         if (name_len >= sizeof (ps->name))
 982                 name_len = sizeof (ps->name) - 1;
 983
 984         sstrncpy (ps->name, &buffer[name_start_pos + 1], name_len + 1);
 985
 986         if ((buffer_len - name_end_pos) < 2)
 987                 return (-1);
 988         buffer_ptr = &buffer[name_end_pos + 2];
 989
 990         fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
 991         if (fields_len < 22)
 992         {
 993                 DEBUG ("processes plugin: ps_read_process (pid = %li):"
 994                                 " `%s' has only %i fields..",
 995                                 pid, filename, fields_len);
 996                 return (-1);
 997         }
 998
 999         *state = fields[0][0];
1000
1001         if (*state == 'Z')
1002         {
1003                 ps->num_lwp  = 0;
1004                 ps->num_proc = 0;
1005         }
1006         else
1007         {
1008                 if ( (ps->num_lwp = ps_read_tasks (pid)) == -1 )
1009                 {
1010                         /* returns -1 => kernel 2.4 */
1011                         ps->num_lwp = 1;
1012                 }
1013                 ps->num_proc = 1;
1014         }
1015
1016         /* Leave the rest at zero if this is only a zombi */
1017         if (ps->num_proc == 0)
1018         {
1019                 DEBUG ("processes plugin: This is only a zombie: pid = %li; "
1020                                 "name = %s;", pid, ps->name);
1021                 return (0);
1022         }
1023
1024         cpu_user_counter   = atoll (fields[11]);
1025         cpu_system_counter = atoll (fields[12]);
1026         vmem_size          = atoll (fields[20]);
1027         vmem_rss           = atoll (fields[21]);
1028         ps->vmem_minflt_counter = atol (fields[7]);
1029         ps->vmem_majflt_counter = atol (fields[9]);
1030
1031         {
1032                 unsigned long long stack_start = atoll (fields[25]);
1033                 unsigned long long stack_ptr   = atoll (fields[26]);
1034
1035                 stack_size = (stack_start > stack_ptr)
1036                         ? stack_start - stack_ptr
1037                         : stack_ptr - stack_start;
1038         }
1039
1040         /* Convert jiffies to useconds */
1041         cpu_user_counter   = cpu_user_counter   * 1000000 / CONFIG_HZ;
1042         cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1043         vmem_rss = vmem_rss * pagesize_g;
1044
1045         if ( (ps_read_vmem(pid, ps)) == NULL)
1046         {
1047                 /* No VMem data */
1048                 ps->vmem_data = -1;
1049                 ps->vmem_code = -1;
1050                 DEBUG("ps_read_process: did not get vmem data for pid %li", pid);
1051         }
1052
1053         ps->cpu_user_counter = cpu_user_counter;
1054         ps->cpu_system_counter = cpu_system_counter;
1055         ps->vmem_size = (unsigned long) vmem_size;
1056         ps->vmem_rss = (unsigned long) vmem_rss;
1057         ps->stack_size = (unsigned long) stack_size;
1058
1059         if ( (ps_read_io (pid, ps)) == NULL)
1060         {
1061                 /* no io data */
1062                 ps->io_rchar = -1;
1063                 ps->io_wchar = -1;
1064                 ps->io_syscr = -1;
1065                 ps->io_syscw = -1;
1066
1067                 DEBUG("ps_read_process: not get io data for pid %li", pid);
1068         }
1069
1070         /* success */
1071         return (0);
1072 } /* int ps_read_process (...) */
1073
1074 static char *ps_get_cmdline (long pid, char *name, char *buf, size_t buf_len)
1075 {
1076         char  *buf_ptr;
1077         size_t len;
1078
1079         char file[PATH_MAX];
1080         int  fd;
1081
1082         size_t n;
1083
1084         if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1085                 return NULL;
1086
1087         ssnprintf (file, sizeof (file), "/proc/%li/cmdline", pid);
1088
1089         errno = 0;
1090         fd = open (file, O_RDONLY);
1091         if (fd < 0) {
1092                 char errbuf[4096];
1093                 /* ENOENT means the process exited while we were handling it.
1094                  * Don't complain about this, it only fills the logs. */
1095                 if (errno != ENOENT)
1096                         WARNING ("processes plugin: Failed to open `%s': %s.", file,
1097                                         sstrerror (errno, errbuf, sizeof (errbuf)));
1098                 return NULL;
1099         }
1100
1101         buf_ptr = buf;
1102         len     = buf_len;
1103
1104         n = 0;
1105
1106         while (42) {
1107                 ssize_t status;
1108
1109                 status = read (fd, (void *)buf_ptr, len);
1110
1111                 if (status < 0) {
1112                         char errbuf[1024];
1113
1114                         if ((EAGAIN == errno) || (EINTR == errno))
1115                                 continue;
1116
1117                         WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1118                                         sstrerror (errno, errbuf, sizeof (errbuf)));
1119                         close (fd);
1120                         return NULL;
1121                 }
1122
1123                 n += status;
1124
1125                 if (status == 0)
1126                         break;
1127
1128                 buf_ptr += status;
1129                 len     -= status;
1130
1131                 if (len <= 0)
1132                         break;
1133         }
1134
1135         close (fd);
1136
1137         if (0 == n) {
1138                 /* cmdline not available; e.g. kernel thread, zombie */
1139                 if (NULL == name)
1140                         return NULL;
1141
1142                 ssnprintf (buf, buf_len, "[%s]", name);
1143                 return buf;
1144         }
1145
1146         assert (n <= buf_len);
1147
1148         if (n == buf_len)
1149                 --n;
1150         buf[n] = '\0';
1151
1152         --n;
1153         /* remove trailing whitespace */
1154         while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1155                 buf[n] = '\0';
1156                 --n;
1157         }
1158
1159         /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1160         while (n > 0) {
1161                 if ('\0' == buf[n])
1162                         buf[n] = ' ';
1163                 --n;
1164         }
1165         return buf;
1166 } /* char *ps_get_cmdline (...) */
1167
1168 static int read_fork_rate (void)
1169 {
1170         FILE *proc_stat;
1171         char buffer[1024];
1172         value_t value;
1173         _Bool value_valid = 0;
1174
1175         proc_stat = fopen ("/proc/stat", "r");
1176         if (proc_stat == NULL)
1177         {
1178                 char errbuf[1024];
1179                 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1180                                 sstrerror (errno, errbuf, sizeof (errbuf)));
1181                 return (-1);
1182         }
1183
1184         while (fgets (buffer, sizeof (buffer), proc_stat) != NULL)
1185         {
1186                 int status;
1187                 char *fields[3];
1188                 int fields_num;
1189
1190                 fields_num = strsplit (buffer, fields,
1191                                 STATIC_ARRAY_SIZE (fields));
1192                 if (fields_num != 2)
1193                         continue;
1194
1195                 if (strcmp ("processes", fields[0]) != 0)
1196                         continue;
1197
1198                 status = parse_value (fields[1], &value, DS_TYPE_DERIVE);
1199                 if (status == 0)
1200                         value_valid = 1;
1201
1202                 break;
1203         }
1204         fclose(proc_stat);
1205
1206         if (!value_valid)
1207                 return (-1);
1208
1209         ps_submit_fork_rate (value.derive);
1210         return (0);
1211 }
1212 #endif /*KERNEL_LINUX */
1213
1214 #if KERNEL_SOLARIS
1215 static char *ps_get_cmdline (long pid, char *name __attribute__((unused)), /* {{{ */
1216     char *buffer, size_t buffer_size)
1217 {
1218         char path[PATH_MAX];
1219         psinfo_t info;
1220         int status;
1221
1222         snprintf(path, sizeof (path), "/proc/%li/psinfo", pid);
1223
1224         status = read_file_contents (path, (void *) &info, sizeof (info));
1225         if (status != sizeof (info))
1226         {
1227                 ERROR ("processes plugin: Unexpected return value "
1228                                 "while reading \"%s\": "
1229                                 "Returned %i but expected %zu.",
1230                                 path, status, buffer_size);
1231                 return (NULL);
1232         }
1233
1234         info.pr_psargs[sizeof (info.pr_psargs) - 1] = 0;
1235         sstrncpy (buffer, info.pr_psargs, buffer_size);
1236
1237         return (buffer);
1238 } /* }}} int ps_get_cmdline */
1239
1240 /*
1241  * Reads process information on the Solaris OS. The information comes mainly from
1242  * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1243  * The values for input and ouput chars are calculated "by hand"
1244  * Added a few "solaris" specific process states as well
1245  */
1246 static int ps_read_process(long pid, procstat_t *ps, char *state)
1247 {
1248         char filename[64];
1249         char f_psinfo[64], f_usage[64];
1250         char *buffer;
1251
1252         pstatus_t *myStatus;
1253         psinfo_t *myInfo;
1254         prusage_t *myUsage;
1255
1256         snprintf(filename, sizeof (filename), "/proc/%li/status", pid);
1257         snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%li/psinfo", pid);
1258         snprintf(f_usage, sizeof (f_usage), "/proc/%li/usage", pid);
1259
1260
1261         buffer = malloc(sizeof (pstatus_t));
1262         memset(buffer, 0, sizeof (pstatus_t));
1263         read_file_contents(filename, buffer, sizeof (pstatus_t));
1264         myStatus = (pstatus_t *) buffer;
1265
1266         buffer = malloc(sizeof (psinfo_t));
1267         memset(buffer, 0, sizeof(psinfo_t));
1268         read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1269         myInfo = (psinfo_t *) buffer;
1270
1271         buffer = malloc(sizeof (prusage_t));
1272         memset(buffer, 0, sizeof(prusage_t));
1273         read_file_contents(f_usage, buffer, sizeof (prusage_t));
1274         myUsage = (prusage_t *) buffer;
1275
1276         sstrncpy(ps->name, myInfo->pr_fname, sizeof (myInfo->pr_fname));
1277         ps->num_lwp = myStatus->pr_nlwp;
1278         if (myInfo->pr_wstat != 0) {
1279                 ps->num_proc = 0;
1280                 ps->num_lwp = 0;
1281                 *state = (char) 'Z';
1282
1283                 sfree(myStatus);
1284                 sfree(myInfo);
1285                 sfree(myUsage);
1286                 return (0);
1287         } else {
1288                 ps->num_proc = 1;
1289                 ps->num_lwp = myInfo->pr_nlwp;
1290         }
1291
1292         /*
1293          * Convert system time and user time from nanoseconds to microseconds
1294          * for compatibility with the linux module
1295          */
1296         ps->cpu_system_counter = myStatus -> pr_stime.tv_nsec / 1000;
1297         ps->cpu_user_counter = myStatus -> pr_utime.tv_nsec / 1000;
1298
1299         /*
1300          * Convert rssize from KB to bytes to be consistent w/ the linux module
1301          */
1302         ps->vmem_rss = myInfo->pr_rssize * 1024;
1303         ps->vmem_size = myInfo->pr_size * 1024;
1304         ps->vmem_minflt_counter = myUsage->pr_minf;
1305         ps->vmem_majflt_counter = myUsage->pr_majf;
1306
1307         /*
1308          * TODO: Data and code segment calculations for Solaris
1309          */
1310
1311         ps->vmem_data = -1;
1312         ps->vmem_code = -1;
1313         ps->stack_size = myStatus->pr_stksize;
1314
1315         /*
1316          * Calculating input/ouput chars
1317          * Formula used is total chars / total blocks => chars/block
1318          * then convert input/output blocks to chars
1319          */
1320         ulong_t tot_chars = myUsage->pr_ioch;
1321         ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1322         ulong_t chars_per_block = 1;
1323         if (tot_blocks != 0)
1324                 chars_per_block = tot_chars / tot_blocks;
1325         ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1326         ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1327         ps->io_syscr = myUsage->pr_sysc;
1328         ps->io_syscw = myUsage->pr_sysc;
1329
1330
1331         /*
1332          * TODO: Find way of setting BLOCKED and PAGING status
1333          */
1334
1335         *state = (char) 'R';
1336         if (myStatus->pr_flags & PR_ASLEEP)
1337                 *state = (char) 'S';
1338         else if (myStatus->pr_flags & PR_STOPPED)
1339                 *state = (char) 'T';
1340         else if (myStatus->pr_flags & PR_DETACH)
1341                 *state = (char) 'E';
1342         else if (myStatus->pr_flags & PR_DAEMON)
1343                 *state = (char) 'A';
1344         else if (myStatus->pr_flags & PR_ISSYS)
1345                 *state = (char) 'Y';
1346         else if (myStatus->pr_flags & PR_ORPHAN)
1347                 *state = (char) 'O';
1348
1349         sfree(myStatus);
1350         sfree(myInfo);
1351         sfree(myUsage);
1352
1353         return (0);
1354 }
1355
1356 /*
1357  * Reads the number of threads created since the last reboot. On Solaris these
1358  * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1359  * The result is the sum for all the threads created on each cpu
1360  */
1361 static int read_fork_rate()
1362 {
1363         extern kstat_ctl_t *kc;
1364         kstat_t *ksp_chain = NULL;
1365         derive_t result = 0;
1366
1367         if (kc == NULL)
1368                 return (-1);
1369
1370         for (ksp_chain = kc->kc_chain;
1371                         ksp_chain != NULL;
1372                         ksp_chain = ksp_chain->ks_next)
1373         {
1374                 if ((strcmp (ksp_chain->ks_module, "cpu") == 0)
1375                                 && (strcmp (ksp_chain->ks_name, "sys") == 0)
1376                                 && (strcmp (ksp_chain->ks_class, "misc") == 0))
1377                 {
1378                         long long tmp;
1379
1380                         kstat_read (kc, ksp_chain, NULL);
1381
1382                         tmp = get_kstat_value(ksp_chain, "nthreads");
1383                         if (tmp != -1LL)
1384                                 result += tmp;
1385                 }
1386         }
1387
1388         ps_submit_fork_rate (result);
1389         return (0);
1390 }
1391 #endif /* KERNEL_SOLARIS */
1392
1393 #if HAVE_THREAD_INFO
1394 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1395 {
1396         int mib[4];
1397
1398         struct kinfo_proc kp;
1399         size_t            kp_size;
1400
1401         mib[0] = CTL_KERN;
1402         mib[1] = KERN_PROC;
1403         mib[2] = KERN_PROC_PID;
1404
1405         if (pid_for_task (t, pid) != KERN_SUCCESS)
1406                 return (-1);
1407         mib[3] = *pid;
1408
1409         kp_size = sizeof (kp);
1410         if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1411                 return (-1);
1412
1413         if (name_max_len > (MAXCOMLEN + 1))
1414                 name_max_len = MAXCOMLEN + 1;
1415
1416         strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1417         name[name_max_len - 1] = '\0';
1418
1419         DEBUG ("pid = %i; name = %s;", *pid, name);
1420
1421         /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1422          * `top' does it, because it is a lot of work and only used when
1423          * debugging. -octo */
1424
1425         return (0);
1426 }
1427 #endif /* HAVE_THREAD_INFO */
1428 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1429
1430 /* do actual readings from kernel */
1431 static int ps_read (void)
1432 {
1433 #if HAVE_THREAD_INFO
1434         kern_return_t            status;
1435
1436         int                      pset;
1437         processor_set_t          port_pset_priv;
1438
1439         int                      task;
1440         task_array_t             task_list;
1441         mach_msg_type_number_t   task_list_len;
1442
1443         int                      task_pid;
1444         char                     task_name[MAXCOMLEN + 1];
1445
1446         int                      thread;
1447         thread_act_array_t       thread_list;
1448         mach_msg_type_number_t   thread_list_len;
1449         thread_basic_info_data_t thread_data;
1450         mach_msg_type_number_t   thread_data_len;
1451
1452         int running  = 0;
1453         int sleeping = 0;
1454         int zombies  = 0;
1455         int stopped  = 0;
1456         int blocked  = 0;
1457
1458         procstat_t *ps;
1459         procstat_entry_t pse;
1460
1461         ps_list_reset ();
1462
1463         /*
1464          * The Mach-concept is a little different from the traditional UNIX
1465          * concept: All the work is done in threads. Threads are contained in
1466          * `tasks'. Therefore, `task status' doesn't make much sense, since
1467          * it's actually a `thread status'.
1468          * Tasks are assigned to sets of processors, so that's where you go to
1469          * get a list.
1470          */
1471         for (pset = 0; pset < pset_list_len; pset++)
1472         {
1473                 if ((status = host_processor_set_priv (port_host_self,
1474                                                 pset_list[pset],
1475                                                 &port_pset_priv)) != KERN_SUCCESS)
1476                 {
1477                         ERROR ("host_processor_set_priv failed: %s\n",
1478                                         mach_error_string (status));
1479                         continue;
1480                 }
1481
1482                 if ((status = processor_set_tasks (port_pset_priv,
1483                                                 &task_list,
1484                                                 &task_list_len)) != KERN_SUCCESS)
1485                 {
1486                         ERROR ("processor_set_tasks failed: %s\n",
1487                                         mach_error_string (status));
1488                         mach_port_deallocate (port_task_self, port_pset_priv);
1489                         continue;
1490                 }
1491
1492                 for (task = 0; task < task_list_len; task++)
1493                 {
1494                         ps = NULL;
1495                         if (mach_get_task_name (task_list[task],
1496                                                 &task_pid,
1497                                                 task_name, PROCSTAT_NAME_LEN) == 0)
1498                         {
1499                                 /* search for at least one match */
1500                                 for (ps = list_head_g; ps != NULL; ps = ps->next)
1501                                         /* FIXME: cmdline should be here instead of NULL */
1502                                         if (ps_list_match (task_name, NULL, ps) == 1)
1503                                                 break;
1504                         }
1505
1506                         /* Collect more detailed statistics for this process */
1507                         if (ps != NULL)
1508                         {
1509                                 task_basic_info_data_t        task_basic_info;
1510                                 mach_msg_type_number_t        task_basic_info_len;
1511                                 task_events_info_data_t       task_events_info;
1512                                 mach_msg_type_number_t        task_events_info_len;
1513                                 task_absolutetime_info_data_t task_absolutetime_info;
1514                                 mach_msg_type_number_t        task_absolutetime_info_len;
1515
1516                                 memset (&pse, '\0', sizeof (pse));
1517                                 pse.id = task_pid;
1518
1519                                 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1520                                 status = task_info (task_list[task],
1521                                                 TASK_BASIC_INFO,
1522                                                 (task_info_t) &task_basic_info,
1523                                                 &task_basic_info_len);
1524                                 if (status != KERN_SUCCESS)
1525                                 {
1526                                         ERROR ("task_info failed: %s",
1527                                                         mach_error_string (status));
1528                                         continue; /* with next thread_list */
1529                                 }
1530
1531                                 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1532                                 status = task_info (task_list[task],
1533                                                 TASK_EVENTS_INFO,
1534                                                 (task_info_t) &task_events_info,
1535                                                 &task_events_info_len);
1536                                 if (status != KERN_SUCCESS)
1537                                 {
1538                                         ERROR ("task_info failed: %s",
1539                                                         mach_error_string (status));
1540                                         continue; /* with next thread_list */
1541                                 }
1542
1543                                 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1544                                 status = task_info (task_list[task],
1545                                                 TASK_ABSOLUTETIME_INFO,
1546                                                 (task_info_t) &task_absolutetime_info,
1547                                                 &task_absolutetime_info_len);
1548                                 if (status != KERN_SUCCESS)
1549                                 {
1550                                         ERROR ("task_info failed: %s",
1551                                                         mach_error_string (status));
1552                                         continue; /* with next thread_list */
1553                                 }
1554
1555                                 pse.num_proc++;
1556                                 pse.vmem_size = task_basic_info.virtual_size;
1557                                 pse.vmem_rss = task_basic_info.resident_size;
1558                                 /* Does not seem to be easily exposed */
1559                                 pse.vmem_data = 0;
1560                                 pse.vmem_code = 0;
1561
1562                                 pse.vmem_minflt_counter = task_events_info.cow_faults;
1563                                 pse.vmem_majflt_counter = task_events_info.faults;
1564
1565                                 pse.cpu_user_counter = task_absolutetime_info.total_user;
1566                                 pse.cpu_system_counter = task_absolutetime_info.total_system;
1567                         }
1568
1569                         status = task_threads (task_list[task], &thread_list,
1570                                         &thread_list_len);
1571                         if (status != KERN_SUCCESS)
1572                         {
1573                                 /* Apple's `top' treats this case a zombie. It
1574                                  * makes sense to some extend: A `zombie'
1575                                  * thread is nonsense, since the task/process
1576                                  * is dead. */
1577                                 zombies++;
1578                                 DEBUG ("task_threads failed: %s",
1579                                                 mach_error_string (status));
1580                                 if (task_list[task] != port_task_self)
1581                                         mach_port_deallocate (port_task_self,
1582                                                         task_list[task]);
1583                                 continue; /* with next task_list */
1584                         }
1585
1586                         for (thread = 0; thread < thread_list_len; thread++)
1587                         {
1588                                 thread_data_len = THREAD_BASIC_INFO_COUNT;
1589                                 status = thread_info (thread_list[thread],
1590                                                 THREAD_BASIC_INFO,
1591                                                 (thread_info_t) &thread_data,
1592                                                 &thread_data_len);
1593                                 if (status != KERN_SUCCESS)
1594                                 {
1595                                         ERROR ("thread_info failed: %s",
1596                                                         mach_error_string (status));
1597                                         if (task_list[task] != port_task_self)
1598                                                 mach_port_deallocate (port_task_self,
1599                                                                 thread_list[thread]);
1600                                         continue; /* with next thread_list */
1601                                 }
1602
1603                                 if (ps != NULL)
1604                                         pse.num_lwp++;
1605
1606                                 switch (thread_data.run_state)
1607                                 {
1608                                         case TH_STATE_RUNNING:
1609                                                 running++;
1610                                                 break;
1611                                         case TH_STATE_STOPPED:
1612                                         /* What exactly is `halted'? */
1613                                         case TH_STATE_HALTED:
1614                                                 stopped++;
1615                                                 break;
1616                                         case TH_STATE_WAITING:
1617                                                 sleeping++;
1618                                                 break;
1619                                         case TH_STATE_UNINTERRUPTIBLE:
1620                                                 blocked++;
1621                                                 break;
1622                                         /* There is no `zombie' case here,
1623                                          * since there are no zombie-threads.
1624                                          * There's only zombie tasks, which are
1625                                          * handled above. */
1626                                         default:
1627                                                 WARNING ("Unknown thread status: %i",
1628                                                                 thread_data.run_state);
1629                                                 break;
1630                                 } /* switch (thread_data.run_state) */
1631
1632                                 if (task_list[task] != port_task_self)
1633                                 {
1634                                         status = mach_port_deallocate (port_task_self,
1635                                                         thread_list[thread]);
1636                                         if (status != KERN_SUCCESS)
1637                                                 ERROR ("mach_port_deallocate failed: %s",
1638                                                                 mach_error_string (status));
1639                                 }
1640                         } /* for (thread_list) */
1641
1642                         if ((status = vm_deallocate (port_task_self,
1643                                                         (vm_address_t) thread_list,
1644                                                         thread_list_len * sizeof (thread_act_t)))
1645                                         != KERN_SUCCESS)
1646                         {
1647                                 ERROR ("vm_deallocate failed: %s",
1648                                                 mach_error_string (status));
1649                         }
1650                         thread_list = NULL;
1651                         thread_list_len = 0;
1652
1653                         /* Only deallocate the task port, if it isn't our own.
1654                          * Don't know what would happen in that case, but this
1655                          * is what Apple's top does.. ;) */
1656                         if (task_list[task] != port_task_self)
1657                         {
1658                                 status = mach_port_deallocate (port_task_self,
1659                                                 task_list[task]);
1660                                 if (status != KERN_SUCCESS)
1661                                         ERROR ("mach_port_deallocate failed: %s",
1662                                                         mach_error_string (status));
1663                         }
1664
1665                         if (ps != NULL)
1666                                 /* FIXME: cmdline should be here instead of NULL */
1667                                 ps_list_add (task_name, NULL, &pse);
1668                 } /* for (task_list) */
1669
1670                 if ((status = vm_deallocate (port_task_self,
1671                                 (vm_address_t) task_list,
1672                                 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1673                 {
1674                         ERROR ("vm_deallocate failed: %s",
1675                                         mach_error_string (status));
1676                 }
1677                 task_list = NULL;
1678                 task_list_len = 0;
1679
1680                 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1681                                 != KERN_SUCCESS)
1682                 {
1683                         ERROR ("mach_port_deallocate failed: %s",
1684                                         mach_error_string (status));
1685                 }
1686         } /* for (pset_list) */
1687
1688         ps_submit_state ("running", running);
1689         ps_submit_state ("sleeping", sleeping);
1690         ps_submit_state ("zombies", zombies);
1691         ps_submit_state ("stopped", stopped);
1692         ps_submit_state ("blocked", blocked);
1693
1694         for (ps = list_head_g; ps != NULL; ps = ps->next)
1695                 ps_submit_proc_list (ps);
1696 /* #endif HAVE_THREAD_INFO */
1697
1698 #elif KERNEL_LINUX
1699         int running  = 0;
1700         int sleeping = 0;
1701         int zombies  = 0;
1702         int stopped  = 0;
1703         int paging   = 0;
1704         int blocked  = 0;
1705
1706         struct dirent *ent;
1707         DIR           *proc;
1708         long           pid;
1709
1710         char cmdline[ARG_MAX];
1711
1712         int        status;
1713         procstat_t ps;
1714         procstat_entry_t pse;
1715         char       state;
1716
1717         procstat_t *ps_ptr;
1718
1719         running = sleeping = zombies = stopped = paging = blocked = 0;
1720         ps_list_reset ();
1721
1722         if ((proc = opendir ("/proc")) == NULL)
1723         {
1724                 char errbuf[1024];
1725                 ERROR ("Cannot open `/proc': %s",
1726                                 sstrerror (errno, errbuf, sizeof (errbuf)));
1727                 return (-1);
1728         }
1729
1730         while ((ent = readdir (proc)) != NULL)
1731         {
1732                 if (!isdigit (ent->d_name[0]))
1733                         continue;
1734
1735                 if ((pid = atol (ent->d_name)) < 1)
1736                         continue;
1737
1738                 status = ps_read_process (pid, &ps, &state);
1739                 if (status != 0)
1740                 {
1741                         DEBUG ("ps_read_process failed: %i", status);
1742                         continue;
1743                 }
1744
1745                 pse.id       = pid;
1746                 pse.age      = 0;
1747
1748                 pse.num_proc   = ps.num_proc;
1749                 pse.num_lwp    = ps.num_lwp;
1750                 pse.vmem_size  = ps.vmem_size;
1751                 pse.vmem_rss   = ps.vmem_rss;
1752                 pse.vmem_data  = ps.vmem_data;
1753                 pse.vmem_code  = ps.vmem_code;
1754                 pse.stack_size = ps.stack_size;
1755
1756                 pse.vmem_minflt = 0;
1757                 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1758                 pse.vmem_majflt = 0;
1759                 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1760
1761                 pse.cpu_user = 0;
1762                 pse.cpu_user_counter = ps.cpu_user_counter;
1763                 pse.cpu_system = 0;
1764                 pse.cpu_system_counter = ps.cpu_system_counter;
1765
1766                 pse.io_rchar = ps.io_rchar;
1767                 pse.io_wchar = ps.io_wchar;
1768                 pse.io_syscr = ps.io_syscr;
1769                 pse.io_syscw = ps.io_syscw;
1770
1771                 switch (state)
1772                 {
1773                         case 'R': running++;  break;
1774                         case 'S': sleeping++; break;
1775                         case 'D': blocked++;  break;
1776                         case 'Z': zombies++;  break;
1777                         case 'T': stopped++;  break;
1778                         case 'W': paging++;   break;
1779                 }
1780
1781                 ps_list_add (ps.name,
1782                                 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1783                                 &pse);
1784         }
1785
1786         closedir (proc);
1787
1788         ps_submit_state ("running",  running);
1789         ps_submit_state ("sleeping", sleeping);
1790         ps_submit_state ("zombies",  zombies);
1791         ps_submit_state ("stopped",  stopped);
1792         ps_submit_state ("paging",   paging);
1793         ps_submit_state ("blocked",  blocked);
1794
1795         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1796                 ps_submit_proc_list (ps_ptr);
1797
1798         read_fork_rate();
1799 /* #endif KERNEL_LINUX */
1800
1801 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1802         int running  = 0;
1803         int sleeping = 0;
1804         int zombies  = 0;
1805         int stopped  = 0;
1806         int blocked  = 0;
1807         int idle     = 0;
1808         int wait     = 0;
1809
1810         kvm_t *kd;
1811         char errbuf[_POSIX2_LINE_MAX];
1812         struct kinfo_proc *procs;          /* array of processes */
1813         struct kinfo_proc *proc_ptr = NULL;
1814         int count;                         /* returns number of processes */
1815         int i;
1816
1817         procstat_t *ps_ptr;
1818         procstat_entry_t pse;
1819
1820         ps_list_reset ();
1821
1822         /* Open the kvm interface, get a descriptor */
1823         kd = kvm_openfiles (NULL, "/dev/null", NULL, 0, errbuf);
1824         if (kd == NULL)
1825         {
1826                 ERROR ("processes plugin: Cannot open kvm interface: %s",
1827                                 errbuf);
1828                 return (0);
1829         }
1830
1831         /* Get the list of processes. */
1832         procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1833         if (procs == NULL)
1834         {
1835                 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1836                                 kvm_geterr(kd));
1837                 kvm_close (kd);
1838                 return (0);
1839         }
1840
1841         /* Iterate through the processes in kinfo_proc */
1842         for (i = 0; i < count; i++)
1843         {
1844                 /* Create only one process list entry per _process_, i.e.
1845                  * filter out threads (duplicate PID entries). */
1846                 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1847                 {
1848                         char cmdline[ARG_MAX] = "";
1849                         _Bool have_cmdline = 0;
1850
1851                         proc_ptr = &(procs[i]);
1852                         /* Don't probe system processes and processes without arguments */
1853                         if (((procs[i].ki_flag & P_SYSTEM) == 0)
1854                                         && (procs[i].ki_args != NULL))
1855                         {
1856                                 char **argv;
1857                                 int argc;
1858                                 int status;
1859
1860                                 /* retrieve the arguments */
1861                                 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1862                                 argc = 0;
1863                                 if ((argv != NULL) && (argv[0] != NULL))
1864                                 {
1865                                         while (argv[argc] != NULL)
1866                                                 argc++;
1867
1868                                         status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1869                                         if (status < 0)
1870                                                 WARNING ("processes plugin: Command line did not fit into buffer.");
1871                                         else
1872                                                 have_cmdline = 1;
1873                                 }
1874                         } /* if (process has argument list) */
1875
1876                         pse.id       = procs[i].ki_pid;
1877                         pse.age      = 0;
1878
1879                         pse.num_proc = 1;
1880                         pse.num_lwp  = procs[i].ki_numthreads;
1881
1882                         pse.vmem_size = procs[i].ki_size;
1883                         pse.vmem_rss = procs[i].ki_rssize * pagesize;
1884                         pse.vmem_data = procs[i].ki_dsize * pagesize;
1885                         pse.vmem_code = procs[i].ki_tsize * pagesize;
1886                         pse.stack_size = procs[i].ki_ssize * pagesize;
1887                         pse.vmem_minflt = 0;
1888                         pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1889                         pse.vmem_majflt = 0;
1890                         pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1891
1892                         pse.cpu_user = 0;
1893                         pse.cpu_system = 0;
1894                         pse.cpu_user_counter = 0;
1895                         pse.cpu_system_counter = 0;
1896                         /*
1897                          * The u-area might be swapped out, and we can't get
1898                          * at it because we have a crashdump and no swap.
1899                          * If it's here fill in these fields, otherwise, just
1900                          * leave them 0.
1901                          */
1902                         if (procs[i].ki_flag & P_INMEM)
1903                         {
1904                                 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
1905                                         + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
1906                                 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
1907                                         + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
1908                         }
1909
1910                         /* no I/O data */
1911                         pse.io_rchar = -1;
1912                         pse.io_wchar = -1;
1913                         pse.io_syscr = -1;
1914                         pse.io_syscw = -1;
1915
1916                         ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
1917
1918                         switch (procs[i].ki_stat)
1919                         {
1920                                 case SSTOP:     stopped++;      break;
1921                                 case SSLEEP:    sleeping++;     break;
1922                                 case SRUN:      running++;      break;
1923                                 case SIDL:      idle++;         break;
1924                                 case SWAIT:     wait++;         break;
1925                                 case SLOCK:     blocked++;      break;
1926                                 case SZOMB:     zombies++;      break;
1927                         }
1928                 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
1929         }
1930
1931         kvm_close(kd);
1932
1933         ps_submit_state ("running",  running);
1934         ps_submit_state ("sleeping", sleeping);
1935         ps_submit_state ("zombies",  zombies);
1936         ps_submit_state ("stopped",  stopped);
1937         ps_submit_state ("blocked",  blocked);
1938         ps_submit_state ("idle",     idle);
1939         ps_submit_state ("wait",     wait);
1940
1941         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1942                 ps_submit_proc_list (ps_ptr);
1943 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
1944
1945 #elif HAVE_PROCINFO_H
1946         /* AIX */
1947         int running  = 0;
1948         int sleeping = 0;
1949         int zombies  = 0;
1950         int stopped  = 0;
1951         int paging   = 0;
1952         int blocked  = 0;
1953
1954         pid_t pindex = 0;
1955         int nprocs;
1956
1957         procstat_t *ps;
1958         procstat_entry_t pse;
1959
1960         ps_list_reset ();
1961         while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
1962                                         /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
1963                                         &pindex, MAXPROCENTRY)) > 0)
1964         {
1965                 int i;
1966
1967                 for (i = 0; i < nprocs; i++)
1968                 {
1969                         tid64_t thindex;
1970                         int nthreads;
1971                         char arglist[MAXARGLN+1];
1972                         char *cargs;
1973                         char *cmdline;
1974
1975                         if (procentry[i].pi_state == SNONE) continue;
1976                         /* if (procentry[i].pi_state == SZOMB)  FIXME */
1977
1978                         cmdline = procentry[i].pi_comm;
1979                         cargs = procentry[i].pi_comm;
1980                         if ( procentry[i].pi_flags & SKPROC )
1981                         {
1982                                 if (procentry[i].pi_pid == 0)
1983                                         cmdline = "swapper";
1984                                 cargs = cmdline;
1985                         }
1986                         else
1987                         {
1988                                 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
1989                                 {
1990                                         int n;
1991
1992                                         n = -1;
1993                                         while (++n < MAXARGLN)
1994                                         {
1995                                                 if (arglist[n] == '\0')
1996                                                 {
1997                                                         if (arglist[n+1] == '\0')
1998                                                                 break;
1999                                                         arglist[n] = ' ';
2000                                                 }
2001                                         }
2002                                         cargs = arglist;
2003                                 }
2004                         }
2005
2006                         pse.id       = procentry[i].pi_pid;
2007                         pse.age      = 0;
2008                         pse.num_lwp  = procentry[i].pi_thcount;
2009                         pse.num_proc = 1;
2010
2011                         thindex=0;
2012                         while ((nthreads = getthrds64(procentry[i].pi_pid,
2013                                                         thrdentry, sizeof(struct thrdentry64),
2014                                                         &thindex, MAXTHRDENTRY)) > 0)
2015                         {
2016                                 int j;
2017
2018                                 for (j=0; j< nthreads; j++)
2019                                 {
2020                                         switch (thrdentry[j].ti_state)
2021                                         {
2022                                                 /* case TSNONE: break; */
2023                                                 case TSIDL:     blocked++;      break; /* FIXME is really blocked */
2024                                                 case TSRUN:     running++;      break;
2025                                                 case TSSLEEP:   sleeping++;     break;
2026                                                 case TSSWAP:    paging++;       break;
2027                                                 case TSSTOP:    stopped++;      break;
2028                                                 case TSZOMB:    zombies++;      break;
2029                                         }
2030                                 }
2031                                 if (nthreads < MAXTHRDENTRY)
2032                                         break;
2033                         }
2034
2035                         pse.cpu_user = 0;
2036                         /* tv_usec is nanosec ??? */
2037                         pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2038                                 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2039
2040                         pse.cpu_system = 0;
2041                         /* tv_usec is nanosec ??? */
2042                         pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2043                                 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2044
2045                         pse.vmem_minflt = 0;
2046                         pse.vmem_minflt_counter = procentry[i].pi_minflt;
2047                         pse.vmem_majflt = 0;
2048                         pse.vmem_majflt_counter = procentry[i].pi_majflt;
2049
2050                         pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2051                         pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2052                         /* Not supported */
2053                         pse.vmem_data = 0;
2054                         pse.vmem_code = 0;
2055                         pse.stack_size =  0;
2056
2057                         pse.io_rchar = -1;
2058                         pse.io_wchar = -1;
2059                         pse.io_syscr = -1;
2060                         pse.io_syscw = -1;
2061
2062                         ps_list_add (cmdline, cargs, &pse);
2063                 } /* for (i = 0 .. nprocs) */
2064
2065                 if (nprocs < MAXPROCENTRY)
2066                         break;
2067         } /* while (getprocs64() > 0) */
2068         ps_submit_state ("running",  running);
2069         ps_submit_state ("sleeping", sleeping);
2070         ps_submit_state ("zombies",  zombies);
2071         ps_submit_state ("stopped",  stopped);
2072         ps_submit_state ("paging",   paging);
2073         ps_submit_state ("blocked",  blocked);
2074
2075         for (ps = list_head_g; ps != NULL; ps = ps->next)
2076                 ps_submit_proc_list (ps);
2077 /* #endif HAVE_PROCINFO_H */
2078
2079 #elif KERNEL_SOLARIS
2080         /*
2081          * The Solaris section adds a few more process states and removes some
2082          * process states compared to linux. Most notably there is no "PAGING"
2083          * and "BLOCKED" state for a process.  The rest is similar to the linux
2084          * code.
2085          */
2086         int running = 0;
2087         int sleeping = 0;
2088         int zombies = 0;
2089         int stopped = 0;
2090         int detached = 0;
2091         int daemon = 0;
2092         int system = 0;
2093         int orphan = 0;
2094
2095         struct dirent *ent;
2096         DIR *proc;
2097
2098         int status;
2099         procstat_t *ps_ptr;
2100         char state;
2101
2102         char cmdline[PRARGSZ];
2103
2104         ps_list_reset ();
2105
2106         proc = opendir ("/proc");
2107         if (proc == NULL)
2108                 return (-1);
2109
2110         while ((ent = readdir(proc)) != NULL)
2111         {
2112                 long pid;
2113                 struct procstat ps;
2114                 procstat_entry_t pse;
2115                 char *endptr;
2116
2117                 if (!isdigit ((int) ent->d_name[0]))
2118                         continue;
2119
2120                 pid = strtol (ent->d_name, &endptr, 10);
2121                 if (*endptr != 0) /* value didn't completely parse as a number */
2122                         continue;
2123
2124                 status = ps_read_process (pid, &ps, &state);
2125                 if (status != 0)
2126                 {
2127                         DEBUG("ps_read_process failed: %i", status);
2128                         continue;
2129                 }
2130
2131                 pse.id = pid;
2132                 pse.age = 0;
2133
2134                 pse.num_proc   = ps.num_proc;
2135                 pse.num_lwp    = ps.num_lwp;
2136                 pse.vmem_size  = ps.vmem_size;
2137                 pse.vmem_rss   = ps.vmem_rss;
2138                 pse.vmem_data  = ps.vmem_data;
2139                 pse.vmem_code  = ps.vmem_code;
2140                 pse.stack_size = ps.stack_size;
2141
2142                 pse.vmem_minflt = 0;
2143                 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2144                 pse.vmem_majflt = 0;
2145                 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2146
2147                 pse.cpu_user = 0;
2148                 pse.cpu_user_counter = ps.cpu_user_counter;
2149                 pse.cpu_system = 0;
2150                 pse.cpu_system_counter = ps.cpu_system_counter;
2151
2152                 pse.io_rchar = ps.io_rchar;
2153                 pse.io_wchar = ps.io_wchar;
2154                 pse.io_syscr = ps.io_syscr;
2155                 pse.io_syscw = ps.io_syscw;
2156
2157                 switch (state)
2158                 {
2159                         case 'R': running++;  break;
2160                         case 'S': sleeping++; break;
2161                         case 'E': detached++; break;
2162                         case 'Z': zombies++;  break;
2163                         case 'T': stopped++;  break;
2164                         case 'A': daemon++;   break;
2165                         case 'Y': system++;   break;
2166                         case 'O': orphan++;   break;
2167                 }
2168
2169
2170                 ps_list_add (ps.name,
2171                                 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
2172                                 &pse);
2173         } /* while(readdir) */
2174         closedir (proc);
2175
2176         ps_submit_state ("running",  running);
2177         ps_submit_state ("sleeping", sleeping);
2178         ps_submit_state ("zombies",  zombies);
2179         ps_submit_state ("stopped",  stopped);
2180         ps_submit_state ("detached", detached);
2181         ps_submit_state ("daemon",   daemon);
2182         ps_submit_state ("system",   system);
2183         ps_submit_state ("orphan",   orphan);
2184
2185         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2186                 ps_submit_proc_list (ps_ptr);
2187
2188         read_fork_rate();
2189 #endif /* KERNEL_SOLARIS */
2190
2191         return (0);
2192 } /* int ps_read */
2193
2194 void module_register (void)
2195 {
2196         plugin_register_complex_config ("processes", ps_config);
2197         plugin_register_init ("processes", ps_init);
2198         plugin_register_read ("processes", ps_read);
2199 } /* void module_register */