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 <sys/user.h>
 132 # include <dirent.h>
 133
 134 #ifndef MAXCOMLEN
 135 #  define MAXCOMLEN 16
 136 #endif
 137
 138 /* #endif KERNEL_SOLARIS */
 139
 140 #else
 141 # error "No applicable input method."
 142 #endif
 143
 144 #if HAVE_REGEX_H
 145 # include <regex.h>
 146 #endif
 147
 148 #if HAVE_KSTAT_H
 149 # include <kstat.h>
 150 #endif
 151
 152 #ifndef ARG_MAX
 153 #  define ARG_MAX 4096
 154 #endif
 155
 156 typedef struct procstat_entry_s
 157 {
 158         unsigned long id;
 159         unsigned long age;
 160
 161         unsigned long num_proc;
 162         unsigned long num_lwp;
 163         unsigned long vmem_size;
 164         unsigned long vmem_rss;
 165         unsigned long vmem_data;
 166         unsigned long vmem_code;
 167         unsigned long stack_size;
 168
 169         unsigned long vmem_minflt;
 170         unsigned long vmem_majflt;
 171         derive_t      vmem_minflt_counter;
 172         derive_t      vmem_majflt_counter;
 173
 174         unsigned long cpu_user;
 175         unsigned long cpu_system;
 176         derive_t      cpu_user_counter;
 177         derive_t      cpu_system_counter;
 178
 179         /* io data */
 180         derive_t io_rchar;
 181         derive_t io_wchar;
 182         derive_t io_syscr;
 183         derive_t io_syscw;
 184
 185         struct procstat_entry_s *next;
 186 } procstat_entry_t;
 187
 188 #define PROCSTAT_NAME_LEN 256
 189 typedef struct procstat
 190 {
 191         char          name[PROCSTAT_NAME_LEN];
 192 #if HAVE_REGEX_H
 193         regex_t *re;
 194 #endif
 195
 196         unsigned long num_proc;
 197         unsigned long num_lwp;
 198         unsigned long vmem_size;
 199         unsigned long vmem_rss;
 200         unsigned long vmem_data;
 201         unsigned long vmem_code;
 202         unsigned long stack_size;
 203
 204         derive_t vmem_minflt_counter;
 205         derive_t vmem_majflt_counter;
 206
 207         derive_t cpu_user_counter;
 208         derive_t cpu_system_counter;
 209
 210         /* io data */
 211         derive_t io_rchar;
 212         derive_t io_wchar;
 213         derive_t io_syscr;
 214         derive_t io_syscw;
 215
 216         struct procstat   *next;
 217         struct procstat_entry_s *instances;
 218 } procstat_t;
 219
 220 static procstat_t *list_head_g = NULL;
 221
 222 #if HAVE_THREAD_INFO
 223 static mach_port_t port_host_self;
 224 static mach_port_t port_task_self;
 225
 226 static processor_set_name_array_t pset_list;
 227 static mach_msg_type_number_t     pset_list_len;
 228 /* #endif HAVE_THREAD_INFO */
 229
 230 #elif KERNEL_LINUX
 231 static long pagesize_g;
 232 /* #endif KERNEL_LINUX */
 233
 234 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
 235 static int pagesize;
 236 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
 237
 238 #elif HAVE_PROCINFO_H
 239 static  struct procentry64 procentry[MAXPROCENTRY];
 240 static  struct thrdentry64 thrdentry[MAXTHRDENTRY];
 241 static int pagesize;
 242
 243 #ifndef _AIXVERSION_610
 244 int     getprocs64 (void *procsinfo, int sizproc, void *fdsinfo, int sizfd, pid_t *index, int count);
 245 int     getthrds64( pid_t, void *, int, tid64_t *, int );
 246 #endif
 247 int getargs (void *processBuffer, int bufferLen, char *argsBuffer, int argsLen);
 248 #endif /* HAVE_PROCINFO_H */
 249
 250 /* put name of process from config to list_head_g tree
 251  * list_head_g is a list of 'procstat_t' structs with
 252  * processes names we want to watch */
 253 static void ps_list_register (const char *name, const char *regexp)
 254 {
 255         procstat_t *new;
 256         procstat_t *ptr;
 257         int status;
 258
 259         new = (procstat_t *) malloc (sizeof (procstat_t));
 260         if (new == NULL)
 261         {
 262                 ERROR ("processes plugin: ps_list_register: malloc failed.");
 263                 return;
 264         }
 265         memset (new, 0, sizeof (procstat_t));
 266         sstrncpy (new->name, name, sizeof (new->name));
 267
 268 #if HAVE_REGEX_H
 269         if (regexp != NULL)
 270         {
 271                 DEBUG ("ProcessMatch: adding \"%s\" as criteria to process %s.", regexp, name);
 272                 new->re = (regex_t *) malloc (sizeof (regex_t));
 273                 if (new->re == NULL)
 274                 {
 275                         ERROR ("processes plugin: ps_list_register: malloc failed.");
 276                         sfree (new);
 277                         return;
 278                 }
 279
 280                 status = regcomp (new->re, regexp, REG_EXTENDED | REG_NOSUB);
 281                 if (status != 0)
 282                 {
 283                         DEBUG ("ProcessMatch: compiling the regular expression \"%s\" failed.", regexp);
 284                         sfree(new->re);
 285                         sfree(new);
 286                         return;
 287                 }
 288         }
 289 #else
 290         if (regexp != NULL)
 291         {
 292                 ERROR ("processes plugin: ps_list_register: "
 293                                 "Regular expression \"%s\" found in config "
 294                                 "file, but support for regular expressions "
 295                                 "has been disabled at compile time.",
 296                                 regexp);
 297                 sfree (new);
 298                 return;
 299         }
 300 #endif
 301
 302         for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
 303         {
 304                 if (strcmp (ptr->name, name) == 0)
 305                 {
 306                         WARNING ("processes plugin: You have configured more "
 307                                         "than one `Process' or "
 308                                         "`ProcessMatch' with the same name. "
 309                                         "All but the first setting will be "
 310                                         "ignored.");
 311 #if HAVE_REGEX_H
 312                         sfree (new->re);
 313 #endif
 314                         sfree (new);
 315                         return;
 316                 }
 317
 318                 if (ptr->next == NULL)
 319                         break;
 320         }
 321
 322         if (ptr == NULL)
 323                 list_head_g = new;
 324         else
 325                 ptr->next = new;
 326 } /* void ps_list_register */
 327
 328 /* try to match name against entry, returns 1 if success */
 329 static int ps_list_match (const char *name, const char *cmdline, procstat_t *ps)
 330 {
 331 #if HAVE_REGEX_H
 332         if (ps->re != NULL)
 333         {
 334                 int status;
 335                 const char *str;
 336
 337                 str = cmdline;
 338                 if ((str == NULL) || (str[0] == 0))
 339                         str = name;
 340
 341                 assert (str != NULL);
 342
 343                 status = regexec (ps->re, str,
 344                                 /* nmatch = */ 0,
 345                                 /* pmatch = */ NULL,
 346                                 /* eflags = */ 0);
 347                 if (status == 0)
 348                         return (1);
 349         }
 350         else
 351 #endif
 352         if (strcmp (ps->name, name) == 0)
 353                 return (1);
 354
 355         return (0);
 356 } /* int ps_list_match */
 357
 358 /* add process entry to 'instances' of process 'name' (or refresh it) */
 359 static void ps_list_add (const char *name, const char *cmdline, procstat_entry_t *entry)
 360 {
 361         procstat_t *ps;
 362         procstat_entry_t *pse;
 363
 364         if (entry->id == 0)
 365                 return;
 366
 367         for (ps = list_head_g; ps != NULL; ps = ps->next)
 368         {
 369                 if ((ps_list_match (name, cmdline, ps)) == 0)
 370                         continue;
 371
 372                 for (pse = ps->instances; pse != NULL; pse = pse->next)
 373                         if ((pse->id == entry->id) || (pse->next == NULL))
 374                                 break;
 375
 376                 if ((pse == NULL) || (pse->id != entry->id))
 377                 {
 378                         procstat_entry_t *new;
 379
 380                         new = (procstat_entry_t *) malloc (sizeof (procstat_entry_t));
 381                         if (new == NULL)
 382                                 return;
 383                         memset (new, 0, sizeof (procstat_entry_t));
 384                         new->id = entry->id;
 385
 386                         if (pse == NULL)
 387                                 ps->instances = new;
 388                         else
 389                                 pse->next = new;
 390
 391                         pse = new;
 392                 }
 393
 394                 pse->age = 0;
 395                 pse->num_proc   = entry->num_proc;
 396                 pse->num_lwp    = entry->num_lwp;
 397                 pse->vmem_size  = entry->vmem_size;
 398                 pse->vmem_rss   = entry->vmem_rss;
 399                 pse->vmem_data  = entry->vmem_data;
 400                 pse->vmem_code  = entry->vmem_code;
 401                 pse->stack_size = entry->stack_size;
 402                 pse->io_rchar   = entry->io_rchar;
 403                 pse->io_wchar   = entry->io_wchar;
 404                 pse->io_syscr   = entry->io_syscr;
 405                 pse->io_syscw   = entry->io_syscw;
 406
 407                 ps->num_proc   += pse->num_proc;
 408                 ps->num_lwp    += pse->num_lwp;
 409                 ps->vmem_size  += pse->vmem_size;
 410                 ps->vmem_rss   += pse->vmem_rss;
 411                 ps->vmem_data  += pse->vmem_data;
 412                 ps->vmem_code  += pse->vmem_code;
 413                 ps->stack_size += pse->stack_size;
 414
 415                 ps->io_rchar   += ((pse->io_rchar == -1)?0:pse->io_rchar);
 416                 ps->io_wchar   += ((pse->io_wchar == -1)?0:pse->io_wchar);
 417                 ps->io_syscr   += ((pse->io_syscr == -1)?0:pse->io_syscr);
 418                 ps->io_syscw   += ((pse->io_syscw == -1)?0:pse->io_syscw);
 419
 420                 if ((entry->vmem_minflt_counter == 0)
 421                                 && (entry->vmem_majflt_counter == 0))
 422                 {
 423                         pse->vmem_minflt_counter += entry->vmem_minflt;
 424                         pse->vmem_minflt = entry->vmem_minflt;
 425
 426                         pse->vmem_majflt_counter += entry->vmem_majflt;
 427                         pse->vmem_majflt = entry->vmem_majflt;
 428                 }
 429                 else
 430                 {
 431                         if (entry->vmem_minflt_counter < pse->vmem_minflt_counter)
 432                         {
 433                                 pse->vmem_minflt = entry->vmem_minflt_counter
 434                                         + (ULONG_MAX - pse->vmem_minflt_counter);
 435                         }
 436                         else
 437                         {
 438                                 pse->vmem_minflt = entry->vmem_minflt_counter - pse->vmem_minflt_counter;
 439                         }
 440                         pse->vmem_minflt_counter = entry->vmem_minflt_counter;
 441
 442                         if (entry->vmem_majflt_counter < pse->vmem_majflt_counter)
 443                         {
 444                                 pse->vmem_majflt = entry->vmem_majflt_counter
 445                                         + (ULONG_MAX - pse->vmem_majflt_counter);
 446                         }
 447                         else
 448                         {
 449                                 pse->vmem_majflt = entry->vmem_majflt_counter - pse->vmem_majflt_counter;
 450                         }
 451                         pse->vmem_majflt_counter = entry->vmem_majflt_counter;
 452                 }
 453
 454                 ps->vmem_minflt_counter += pse->vmem_minflt;
 455                 ps->vmem_majflt_counter += pse->vmem_majflt;
 456
 457                 if ((entry->cpu_user_counter == 0)
 458                                 && (entry->cpu_system_counter == 0))
 459                 {
 460                         pse->cpu_user_counter += entry->cpu_user;
 461                         pse->cpu_user = entry->cpu_user;
 462
 463                         pse->cpu_system_counter += entry->cpu_system;
 464                         pse->cpu_system = entry->cpu_system;
 465                 }
 466                 else
 467                 {
 468                         if (entry->cpu_user_counter < pse->cpu_user_counter)
 469                         {
 470                                 pse->cpu_user = entry->cpu_user_counter
 471                                         + (ULONG_MAX - pse->cpu_user_counter);
 472                         }
 473                         else
 474                         {
 475                                 pse->cpu_user = entry->cpu_user_counter - pse->cpu_user_counter;
 476                         }
 477                         pse->cpu_user_counter = entry->cpu_user_counter;
 478
 479                         if (entry->cpu_system_counter < pse->cpu_system_counter)
 480                         {
 481                                 pse->cpu_system = entry->cpu_system_counter
 482                                         + (ULONG_MAX - pse->cpu_system_counter);
 483                         }
 484                         else
 485                         {
 486                                 pse->cpu_system = entry->cpu_system_counter - pse->cpu_system_counter;
 487                         }
 488                         pse->cpu_system_counter = entry->cpu_system_counter;
 489                 }
 490
 491                 ps->cpu_user_counter   += pse->cpu_user;
 492                 ps->cpu_system_counter += pse->cpu_system;
 493         }
 494 }
 495
 496 /* remove old entries from instances of processes in list_head_g */
 497 static void ps_list_reset (void)
 498 {
 499         procstat_t *ps;
 500         procstat_entry_t *pse;
 501         procstat_entry_t *pse_prev;
 502
 503         for (ps = list_head_g; ps != NULL; ps = ps->next)
 504         {
 505                 ps->num_proc    = 0;
 506                 ps->num_lwp     = 0;
 507                 ps->vmem_size   = 0;
 508                 ps->vmem_rss    = 0;
 509                 ps->vmem_data   = 0;
 510                 ps->vmem_code   = 0;
 511                 ps->stack_size  = 0;
 512                 ps->io_rchar = -1;
 513                 ps->io_wchar = -1;
 514                 ps->io_syscr = -1;
 515                 ps->io_syscw = -1;
 516
 517                 pse_prev = NULL;
 518                 pse = ps->instances;
 519                 while (pse != NULL)
 520                 {
 521                         if (pse->age > 10)
 522                         {
 523                                 DEBUG ("Removing this procstat entry cause it's too old: "
 524                                                 "id = %lu; name = %s;",
 525                                                 pse->id, ps->name);
 526
 527                                 if (pse_prev == NULL)
 528                                 {
 529                                         ps->instances = pse->next;
 530                                         free (pse);
 531                                         pse = ps->instances;
 532                                 }
 533                                 else
 534                                 {
 535                                         pse_prev->next = pse->next;
 536                                         free (pse);
 537                                         pse = pse_prev->next;
 538                                 }
 539                         }
 540                         else
 541                         {
 542                                 pse->age++;
 543                                 pse_prev = pse;
 544                                 pse = pse->next;
 545                         }
 546                 } /* while (pse != NULL) */
 547         } /* for (ps = list_head_g; ps != NULL; ps = ps->next) */
 548 }
 549
 550 /* put all pre-defined 'Process' names from config to list_head_g tree */
 551 static int ps_config (oconfig_item_t *ci)
 552 {
 553         int i;
 554
 555 #if KERNEL_LINUX
 556         const size_t max_procname_len = 15;
 557 #elif KERNEL_SOLARIS || KERNEL_FREEBSD
 558         const size_t max_procname_len = MAXCOMLEN -1;
 559 #endif
 560
 561         for (i = 0; i < ci->children_num; ++i) {
 562                 oconfig_item_t *c = ci->children + i;
 563
 564                 if (strcasecmp (c->key, "Process") == 0)
 565                 {
 566                         if ((c->values_num != 1)
 567                                         || (OCONFIG_TYPE_STRING != c->values[0].type)) {
 568                                 ERROR ("processes plugin: `Process' expects exactly "
 569                                                 "one string argument (got %i).",
 570                                                 c->values_num);
 571                                 continue;
 572                         }
 573
 574                         if (c->children_num != 0) {
 575                                 WARNING ("processes plugin: the `Process' config option "
 576                                                 "does not expect any child elements -- ignoring "
 577                                                 "content (%i elements) of the <Process '%s'> block.",
 578                                                 c->children_num, c->values[0].value.string);
 579                         }
 580
 581 #if KERNEL_LINUX || KERNEL_SOLARIS || KERNEL_FREEBSD
 582                         if (strlen (c->values[0].value.string) > max_procname_len) {
 583                                 WARNING ("processes plugin: this platform has a %zu character limit "
 584                                                 "to process names. The `Process \"%s\"' option will "
 585                                                 "not work as expected.",
 586                                                 max_procname_len, c->values[0].value.string);
 587                         }
 588 #endif
 589
 590                         ps_list_register (c->values[0].value.string, NULL);
 591                 }
 592                 else if (strcasecmp (c->key, "ProcessMatch") == 0)
 593                 {
 594                         if ((c->values_num != 2)
 595                                         || (OCONFIG_TYPE_STRING != c->values[0].type)
 596                                         || (OCONFIG_TYPE_STRING != c->values[1].type))
 597                         {
 598                                 ERROR ("processes plugin: `ProcessMatch' needs exactly "
 599                                                 "two string arguments (got %i).",
 600                                                 c->values_num);
 601                                 continue;
 602                         }
 603
 604                         if (c->children_num != 0) {
 605                                 WARNING ("processes plugin: the `ProcessMatch' config option "
 606                                                 "does not expect any child elements -- ignoring "
 607                                                 "content (%i elements) of the <ProcessMatch '%s' '%s'> "
 608                                                 "block.", c->children_num, c->values[0].value.string,
 609                                                 c->values[1].value.string);
 610                         }
 611
 612                         ps_list_register (c->values[0].value.string,
 613                                         c->values[1].value.string);
 614                 }
 615                 else
 616                 {
 617                         ERROR ("processes plugin: The `%s' configuration option is not "
 618                                         "understood and will be ignored.", c->key);
 619                         continue;
 620                 }
 621         }
 622
 623         return (0);
 624 }
 625
 626 static int ps_init (void)
 627 {
 628 #if HAVE_THREAD_INFO
 629         kern_return_t status;
 630
 631         port_host_self = mach_host_self ();
 632         port_task_self = mach_task_self ();
 633
 634         if (pset_list != NULL)
 635         {
 636                 vm_deallocate (port_task_self,
 637                                 (vm_address_t) pset_list,
 638                                 pset_list_len * sizeof (processor_set_t));
 639                 pset_list = NULL;
 640                 pset_list_len = 0;
 641         }
 642
 643         if ((status = host_processor_sets (port_host_self,
 644                                         &pset_list,
 645                                         &pset_list_len)) != KERN_SUCCESS)
 646         {
 647                 ERROR ("host_processor_sets failed: %s\n",
 648                                 mach_error_string (status));
 649                 pset_list = NULL;
 650                 pset_list_len = 0;
 651                 return (-1);
 652         }
 653 /* #endif HAVE_THREAD_INFO */
 654
 655 #elif KERNEL_LINUX
 656         pagesize_g = sysconf(_SC_PAGESIZE);
 657         DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
 658                         pagesize_g, CONFIG_HZ);
 659 /* #endif KERNEL_LINUX */
 660
 661 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
 662         pagesize = getpagesize();
 663 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
 664
 665 #elif HAVE_PROCINFO_H
 666         pagesize = getpagesize();
 667 #endif /* HAVE_PROCINFO_H */
 668
 669         return (0);
 670 } /* int ps_init */
 671
 672 /* submit global state (e.g.: qty of zombies, running, etc..) */
 673 static void ps_submit_state (const char *state, double value)
 674 {
 675         value_t values[1];
 676         value_list_t vl = VALUE_LIST_INIT;
 677
 678         values[0].gauge = value;
 679
 680         vl.values = values;
 681         vl.values_len = 1;
 682         sstrncpy (vl.host, hostname_g, sizeof (vl.host));
 683         sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
 684         sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
 685         sstrncpy (vl.type, "ps_state", sizeof (vl.type));
 686         sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
 687
 688         plugin_dispatch_values (&vl);
 689 }
 690
 691 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
 692 static void ps_submit_proc_list (procstat_t *ps)
 693 {
 694         value_t values[2];
 695         value_list_t vl = VALUE_LIST_INIT;
 696
 697         vl.values = values;
 698         vl.values_len = 2;
 699         sstrncpy (vl.host, hostname_g, sizeof (vl.host));
 700         sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
 701         sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
 702
 703         sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
 704         vl.values[0].gauge = ps->vmem_size;
 705         vl.values_len = 1;
 706         plugin_dispatch_values (&vl);
 707
 708         sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
 709         vl.values[0].gauge = ps->vmem_rss;
 710         vl.values_len = 1;
 711         plugin_dispatch_values (&vl);
 712
 713         sstrncpy (vl.type, "ps_data", sizeof (vl.type));
 714         vl.values[0].gauge = ps->vmem_data;
 715         vl.values_len = 1;
 716         plugin_dispatch_values (&vl);
 717
 718         sstrncpy (vl.type, "ps_code", sizeof (vl.type));
 719         vl.values[0].gauge = ps->vmem_code;
 720         vl.values_len = 1;
 721         plugin_dispatch_values (&vl);
 722
 723         sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
 724         vl.values[0].gauge = ps->stack_size;
 725         vl.values_len = 1;
 726         plugin_dispatch_values (&vl);
 727
 728         sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
 729         vl.values[0].derive = ps->cpu_user_counter;
 730         vl.values[1].derive = ps->cpu_system_counter;
 731         vl.values_len = 2;
 732         plugin_dispatch_values (&vl);
 733
 734         sstrncpy (vl.type, "ps_count", sizeof (vl.type));
 735         vl.values[0].gauge = ps->num_proc;
 736         vl.values[1].gauge = ps->num_lwp;
 737         vl.values_len = 2;
 738         plugin_dispatch_values (&vl);
 739
 740         sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
 741         vl.values[0].derive = ps->vmem_minflt_counter;
 742         vl.values[1].derive = ps->vmem_majflt_counter;
 743         vl.values_len = 2;
 744         plugin_dispatch_values (&vl);
 745
 746         if ( (ps->io_rchar != -1) && (ps->io_wchar != -1) )
 747         {
 748                 sstrncpy (vl.type, "ps_disk_octets", sizeof (vl.type));
 749                 vl.values[0].derive = ps->io_rchar;
 750                 vl.values[1].derive = ps->io_wchar;
 751                 vl.values_len = 2;
 752                 plugin_dispatch_values (&vl);
 753         }
 754
 755         if ( (ps->io_syscr != -1) && (ps->io_syscw != -1) )
 756         {
 757                 sstrncpy (vl.type, "ps_disk_ops", sizeof (vl.type));
 758                 vl.values[0].derive = ps->io_syscr;
 759                 vl.values[1].derive = ps->io_syscw;
 760                 vl.values_len = 2;
 761                 plugin_dispatch_values (&vl);
 762         }
 763
 764         DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
 765                         "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
 766                         "vmem_code = %lu; "
 767                         "vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
 768                         "cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
 769                         "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
 770                         "io_syscr = %"PRIi64"; io_syscw = %"PRIi64";",
 771                         ps->name, ps->num_proc, ps->num_lwp,
 772                         ps->vmem_size, ps->vmem_rss,
 773                         ps->vmem_data, ps->vmem_code,
 774                         ps->vmem_minflt_counter, ps->vmem_majflt_counter,
 775                         ps->cpu_user_counter, ps->cpu_system_counter,
 776                         ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw);
 777 } /* void ps_submit_proc_list */
 778
 779 #if KERNEL_LINUX || KERNEL_SOLARIS
 780 static void ps_submit_fork_rate (derive_t value)
 781 {
 782         value_t values[1];
 783         value_list_t vl = VALUE_LIST_INIT;
 784
 785         values[0].derive = value;
 786
 787         vl.values = values;
 788         vl.values_len = 1;
 789         sstrncpy(vl.host, hostname_g, sizeof (vl.host));
 790         sstrncpy(vl.plugin, "processes", sizeof (vl.plugin));
 791         sstrncpy(vl.plugin_instance, "", sizeof (vl.plugin_instance));
 792         sstrncpy(vl.type, "fork_rate", sizeof (vl.type));
 793         sstrncpy(vl.type_instance, "", sizeof (vl.type_instance));
 794
 795         plugin_dispatch_values(&vl);
 796 }
 797 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
 798
 799 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
 800 #if KERNEL_LINUX
 801 static int ps_read_tasks (long pid)
 802 {
 803         char           dirname[64];
 804         DIR           *dh;
 805         struct dirent *ent;
 806         int count = 0;
 807
 808         ssnprintf (dirname, sizeof (dirname), "/proc/%li/task", pid);
 809
 810         if ((dh = opendir (dirname)) == NULL)
 811         {
 812                 DEBUG ("Failed to open directory `%s'", dirname);
 813                 return (-1);
 814         }
 815
 816         while ((ent = readdir (dh)) != NULL)
 817         {
 818                 if (!isdigit ((int) ent->d_name[0]))
 819                         continue;
 820                 else
 821                         count++;
 822         }
 823         closedir (dh);
 824
 825         return ((count >= 1) ? count : 1);
 826 } /* int *ps_read_tasks */
 827
 828 /* Read advanced virtual memory data from /proc/pid/status */
 829 static procstat_t *ps_read_vmem (long pid, procstat_t *ps)
 830 {
 831         FILE *fh;
 832         char buffer[1024];
 833         char filename[64];
 834         unsigned long long lib = 0;
 835         unsigned long long exe = 0;
 836         unsigned long long data = 0;
 837         char *fields[8];
 838         int numfields;
 839
 840         ssnprintf (filename, sizeof (filename), "/proc/%li/status", pid);
 841         if ((fh = fopen (filename, "r")) == NULL)
 842                 return (NULL);
 843
 844         while (fgets (buffer, sizeof(buffer), fh) != NULL)
 845         {
 846                 long long tmp;
 847                 char *endptr;
 848
 849                 if (strncmp (buffer, "Vm", 2) != 0)
 850                         continue;
 851
 852                 numfields = strsplit (buffer, fields,
 853                                 STATIC_ARRAY_SIZE (fields));
 854
 855                 if (numfields < 2)
 856                         continue;
 857
 858                 errno = 0;
 859                 endptr = NULL;
 860                 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
 861                 if ((errno == 0) && (endptr != fields[1]))
 862                 {
 863                         if (strncmp (buffer, "VmData", 6) == 0)
 864                         {
 865                                 data = tmp;
 866                         }
 867                         else if (strncmp (buffer, "VmLib", 5) == 0)
 868                         {
 869                                 lib = tmp;
 870                         }
 871                         else if  (strncmp(buffer, "VmExe", 5) == 0)
 872                         {
 873                                 exe = tmp;
 874                         }
 875                 }
 876         } /* while (fgets) */
 877
 878         if (fclose (fh))
 879         {
 880                 char errbuf[1024];
 881                 WARNING ("processes: fclose: %s",
 882                                 sstrerror (errno, errbuf, sizeof (errbuf)));
 883         }
 884
 885         ps->vmem_data = data * 1024;
 886         ps->vmem_code = (exe + lib) * 1024;
 887
 888         return (ps);
 889 } /* procstat_t *ps_read_vmem */
 890
 891 static procstat_t *ps_read_io (long pid, procstat_t *ps)
 892 {
 893         FILE *fh;
 894         char buffer[1024];
 895         char filename[64];
 896
 897         char *fields[8];
 898         int numfields;
 899
 900         ssnprintf (filename, sizeof (filename), "/proc/%li/io", pid);
 901         if ((fh = fopen (filename, "r")) == NULL)
 902                 return (NULL);
 903
 904         while (fgets (buffer, sizeof (buffer), fh) != NULL)
 905         {
 906                 derive_t *val = NULL;
 907                 long long tmp;
 908                 char *endptr;
 909
 910                 if (strncasecmp (buffer, "rchar:", 6) == 0)
 911                         val = &(ps->io_rchar);
 912                 else if (strncasecmp (buffer, "wchar:", 6) == 0)
 913                         val = &(ps->io_wchar);
 914                 else if (strncasecmp (buffer, "syscr:", 6) == 0)
 915                         val = &(ps->io_syscr);
 916                 else if (strncasecmp (buffer, "syscw:", 6) == 0)
 917                         val = &(ps->io_syscw);
 918                 else
 919                         continue;
 920
 921                 numfields = strsplit (buffer, fields,
 922                                 STATIC_ARRAY_SIZE (fields));
 923
 924                 if (numfields < 2)
 925                         continue;
 926
 927                 errno = 0;
 928                 endptr = NULL;
 929                 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
 930                 if ((errno != 0) || (endptr == fields[1]))
 931                         *val = -1;
 932                 else
 933                         *val = (derive_t) tmp;
 934         } /* while (fgets) */
 935
 936         if (fclose (fh))
 937         {
 938                 char errbuf[1024];
 939                 WARNING ("processes: fclose: %s",
 940                                 sstrerror (errno, errbuf, sizeof (errbuf)));
 941         }
 942
 943         return (ps);
 944 } /* procstat_t *ps_read_io */
 945
 946 static int ps_read_process (long pid, procstat_t *ps, char *state)
 947 {
 948         char  filename[64];
 949         char  buffer[1024];
 950
 951         char *fields[64];
 952         char  fields_len;
 953
 954         int   buffer_len;
 955
 956         char *buffer_ptr;
 957         size_t name_start_pos;
 958         size_t name_end_pos;
 959         size_t name_len;
 960
 961         derive_t cpu_user_counter;
 962         derive_t cpu_system_counter;
 963         long long unsigned vmem_size;
 964         long long unsigned vmem_rss;
 965         long long unsigned stack_size;
 966
 967         memset (ps, 0, sizeof (procstat_t));
 968
 969         ssnprintf (filename, sizeof (filename), "/proc/%li/stat", pid);
 970
 971         buffer_len = read_file_contents (filename,
 972                         buffer, sizeof(buffer) - 1);
 973         if (buffer_len <= 0)
 974                 return (-1);
 975         buffer[buffer_len] = 0;
 976
 977         /* The name of the process is enclosed in parens. Since the name can
 978          * contain parens itself, spaces, numbers and pretty much everything
 979          * else, use these to determine the process name. We don't use
 980          * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
 981          * otherwise be required to determine name_len. */
 982         name_start_pos = 0;
 983         while ((buffer[name_start_pos] != '(')
 984                         && (name_start_pos < buffer_len))
 985                 name_start_pos++;
 986
 987         name_end_pos = buffer_len;
 988         while ((buffer[name_end_pos] != ')')
 989                         && (name_end_pos > 0))
 990                 name_end_pos--;
 991
 992         /* Either '(' or ')' is not found or they are in the wrong order.
 993          * Anyway, something weird that shouldn't happen ever. */
 994         if (name_start_pos >= name_end_pos)
 995         {
 996                 ERROR ("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
 997                                 name_start_pos, name_end_pos);
 998                 return (-1);
 999         }
1000
1001         name_len = (name_end_pos - name_start_pos) - 1;
1002         if (name_len >= sizeof (ps->name))
1003                 name_len = sizeof (ps->name) - 1;
1004
1005         sstrncpy (ps->name, &buffer[name_start_pos + 1], name_len + 1);
1006
1007         if ((buffer_len - name_end_pos) < 2)
1008                 return (-1);
1009         buffer_ptr = &buffer[name_end_pos + 2];
1010
1011         fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
1012         if (fields_len < 22)
1013         {
1014                 DEBUG ("processes plugin: ps_read_process (pid = %li):"
1015                                 " `%s' has only %i fields..",
1016                                 pid, filename, fields_len);
1017                 return (-1);
1018         }
1019
1020         *state = fields[0][0];
1021
1022         if (*state == 'Z')
1023         {
1024                 ps->num_lwp  = 0;
1025                 ps->num_proc = 0;
1026         }
1027         else
1028         {
1029                 if ( (ps->num_lwp = ps_read_tasks (pid)) == -1 )
1030                 {
1031                         /* returns -1 => kernel 2.4 */
1032                         ps->num_lwp = 1;
1033                 }
1034                 ps->num_proc = 1;
1035         }
1036
1037         /* Leave the rest at zero if this is only a zombi */
1038         if (ps->num_proc == 0)
1039         {
1040                 DEBUG ("processes plugin: This is only a zombie: pid = %li; "
1041                                 "name = %s;", pid, ps->name);
1042                 return (0);
1043         }
1044
1045         cpu_user_counter   = atoll (fields[11]);
1046         cpu_system_counter = atoll (fields[12]);
1047         vmem_size          = atoll (fields[20]);
1048         vmem_rss           = atoll (fields[21]);
1049         ps->vmem_minflt_counter = atol (fields[7]);
1050         ps->vmem_majflt_counter = atol (fields[9]);
1051
1052         {
1053                 unsigned long long stack_start = atoll (fields[25]);
1054                 unsigned long long stack_ptr   = atoll (fields[26]);
1055
1056                 stack_size = (stack_start > stack_ptr)
1057                         ? stack_start - stack_ptr
1058                         : stack_ptr - stack_start;
1059         }
1060
1061         /* Convert jiffies to useconds */
1062         cpu_user_counter   = cpu_user_counter   * 1000000 / CONFIG_HZ;
1063         cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1064         vmem_rss = vmem_rss * pagesize_g;
1065
1066         if ( (ps_read_vmem(pid, ps)) == NULL)
1067         {
1068                 /* No VMem data */
1069                 ps->vmem_data = -1;
1070                 ps->vmem_code = -1;
1071                 DEBUG("ps_read_process: did not get vmem data for pid %li", pid);
1072         }
1073
1074         ps->cpu_user_counter = cpu_user_counter;
1075         ps->cpu_system_counter = cpu_system_counter;
1076         ps->vmem_size = (unsigned long) vmem_size;
1077         ps->vmem_rss = (unsigned long) vmem_rss;
1078         ps->stack_size = (unsigned long) stack_size;
1079
1080         if ( (ps_read_io (pid, ps)) == NULL)
1081         {
1082                 /* no io data */
1083                 ps->io_rchar = -1;
1084                 ps->io_wchar = -1;
1085                 ps->io_syscr = -1;
1086                 ps->io_syscw = -1;
1087
1088                 DEBUG("ps_read_process: not get io data for pid %li", pid);
1089         }
1090
1091         /* success */
1092         return (0);
1093 } /* int ps_read_process (...) */
1094
1095 static char *ps_get_cmdline (long pid, char *name, char *buf, size_t buf_len)
1096 {
1097         char  *buf_ptr;
1098         size_t len;
1099
1100         char file[PATH_MAX];
1101         int  fd;
1102
1103         size_t n;
1104
1105         if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1106                 return NULL;
1107
1108         ssnprintf (file, sizeof (file), "/proc/%li/cmdline", pid);
1109
1110         errno = 0;
1111         fd = open (file, O_RDONLY);
1112         if (fd < 0) {
1113                 char errbuf[4096];
1114                 /* ENOENT means the process exited while we were handling it.
1115                  * Don't complain about this, it only fills the logs. */
1116                 if (errno != ENOENT)
1117                         WARNING ("processes plugin: Failed to open `%s': %s.", file,
1118                                         sstrerror (errno, errbuf, sizeof (errbuf)));
1119                 return NULL;
1120         }
1121
1122         buf_ptr = buf;
1123         len     = buf_len;
1124
1125         n = 0;
1126
1127         while (42) {
1128                 ssize_t status;
1129
1130                 status = read (fd, (void *)buf_ptr, len);
1131
1132                 if (status < 0) {
1133                         char errbuf[1024];
1134
1135                         if ((EAGAIN == errno) || (EINTR == errno))
1136                                 continue;
1137
1138                         WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1139                                         sstrerror (errno, errbuf, sizeof (errbuf)));
1140                         close (fd);
1141                         return NULL;
1142                 }
1143
1144                 n += status;
1145
1146                 if (status == 0)
1147                         break;
1148
1149                 buf_ptr += status;
1150                 len     -= status;
1151
1152                 if (len <= 0)
1153                         break;
1154         }
1155
1156         close (fd);
1157
1158         if (0 == n) {
1159                 /* cmdline not available; e.g. kernel thread, zombie */
1160                 if (NULL == name)
1161                         return NULL;
1162
1163                 ssnprintf (buf, buf_len, "[%s]", name);
1164                 return buf;
1165         }
1166
1167         assert (n <= buf_len);
1168
1169         if (n == buf_len)
1170                 --n;
1171         buf[n] = '\0';
1172
1173         --n;
1174         /* remove trailing whitespace */
1175         while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1176                 buf[n] = '\0';
1177                 --n;
1178         }
1179
1180         /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1181         while (n > 0) {
1182                 if ('\0' == buf[n])
1183                         buf[n] = ' ';
1184                 --n;
1185         }
1186         return buf;
1187 } /* char *ps_get_cmdline (...) */
1188
1189 static int read_fork_rate (void)
1190 {
1191         FILE *proc_stat;
1192         char buffer[1024];
1193         value_t value;
1194         _Bool value_valid = 0;
1195
1196         proc_stat = fopen ("/proc/stat", "r");
1197         if (proc_stat == NULL)
1198         {
1199                 char errbuf[1024];
1200                 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1201                                 sstrerror (errno, errbuf, sizeof (errbuf)));
1202                 return (-1);
1203         }
1204
1205         while (fgets (buffer, sizeof (buffer), proc_stat) != NULL)
1206         {
1207                 int status;
1208                 char *fields[3];
1209                 int fields_num;
1210
1211                 fields_num = strsplit (buffer, fields,
1212                                 STATIC_ARRAY_SIZE (fields));
1213                 if (fields_num != 2)
1214                         continue;
1215
1216                 if (strcmp ("processes", fields[0]) != 0)
1217                         continue;
1218
1219                 status = parse_value (fields[1], &value, DS_TYPE_DERIVE);
1220                 if (status == 0)
1221                         value_valid = 1;
1222
1223                 break;
1224         }
1225         fclose(proc_stat);
1226
1227         if (!value_valid)
1228                 return (-1);
1229
1230         ps_submit_fork_rate (value.derive);
1231         return (0);
1232 }
1233 #endif /*KERNEL_LINUX */
1234
1235 #if KERNEL_SOLARIS
1236 static char *ps_get_cmdline (long pid, char *name __attribute__((unused)), /* {{{ */
1237     char *buffer, size_t buffer_size)
1238 {
1239         char path[PATH_MAX];
1240         psinfo_t info;
1241         int status;
1242
1243         snprintf(path, sizeof (path), "/proc/%li/psinfo", pid);
1244
1245         status = read_file_contents (path, (void *) &info, sizeof (info));
1246         if (status != sizeof (info))
1247         {
1248                 ERROR ("processes plugin: Unexpected return value "
1249                                 "while reading \"%s\": "
1250                                 "Returned %i but expected %zu.",
1251                                 path, status, buffer_size);
1252                 return (NULL);
1253         }
1254
1255         info.pr_psargs[sizeof (info.pr_psargs) - 1] = 0;
1256         sstrncpy (buffer, info.pr_psargs, buffer_size);
1257
1258         return (buffer);
1259 } /* }}} int ps_get_cmdline */
1260
1261 /*
1262  * Reads process information on the Solaris OS. The information comes mainly from
1263  * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1264  * The values for input and ouput chars are calculated "by hand"
1265  * Added a few "solaris" specific process states as well
1266  */
1267 static int ps_read_process(long pid, procstat_t *ps, char *state)
1268 {
1269         char filename[64];
1270         char f_psinfo[64], f_usage[64];
1271         char *buffer;
1272
1273         pstatus_t *myStatus;
1274         psinfo_t *myInfo;
1275         prusage_t *myUsage;
1276
1277         snprintf(filename, sizeof (filename), "/proc/%li/status", pid);
1278         snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%li/psinfo", pid);
1279         snprintf(f_usage, sizeof (f_usage), "/proc/%li/usage", pid);
1280
1281
1282         buffer = malloc(sizeof (pstatus_t));
1283         memset(buffer, 0, sizeof (pstatus_t));
1284         read_file_contents(filename, buffer, sizeof (pstatus_t));
1285         myStatus = (pstatus_t *) buffer;
1286
1287         buffer = malloc(sizeof (psinfo_t));
1288         memset(buffer, 0, sizeof(psinfo_t));
1289         read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1290         myInfo = (psinfo_t *) buffer;
1291
1292         buffer = malloc(sizeof (prusage_t));
1293         memset(buffer, 0, sizeof(prusage_t));
1294         read_file_contents(f_usage, buffer, sizeof (prusage_t));
1295         myUsage = (prusage_t *) buffer;
1296
1297         sstrncpy(ps->name, myInfo->pr_fname, sizeof (myInfo->pr_fname));
1298         ps->num_lwp = myStatus->pr_nlwp;
1299         if (myInfo->pr_wstat != 0) {
1300                 ps->num_proc = 0;
1301                 ps->num_lwp = 0;
1302                 *state = (char) 'Z';
1303
1304                 sfree(myStatus);
1305                 sfree(myInfo);
1306                 sfree(myUsage);
1307                 return (0);
1308         } else {
1309                 ps->num_proc = 1;
1310                 ps->num_lwp = myInfo->pr_nlwp;
1311         }
1312
1313         /*
1314          * Convert system time and user time from nanoseconds to microseconds
1315          * for compatibility with the linux module
1316          */
1317         ps->cpu_system_counter = myStatus -> pr_stime.tv_nsec / 1000;
1318         ps->cpu_user_counter = myStatus -> pr_utime.tv_nsec / 1000;
1319
1320         /*
1321          * Convert rssize from KB to bytes to be consistent w/ the linux module
1322          */
1323         ps->vmem_rss = myInfo->pr_rssize * 1024;
1324         ps->vmem_size = myInfo->pr_size * 1024;
1325         ps->vmem_minflt_counter = myUsage->pr_minf;
1326         ps->vmem_majflt_counter = myUsage->pr_majf;
1327
1328         /*
1329          * TODO: Data and code segment calculations for Solaris
1330          */
1331
1332         ps->vmem_data = -1;
1333         ps->vmem_code = -1;
1334         ps->stack_size = myStatus->pr_stksize;
1335
1336         /*
1337          * Calculating input/ouput chars
1338          * Formula used is total chars / total blocks => chars/block
1339          * then convert input/output blocks to chars
1340          */
1341         ulong_t tot_chars = myUsage->pr_ioch;
1342         ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1343         ulong_t chars_per_block = 1;
1344         if (tot_blocks != 0)
1345                 chars_per_block = tot_chars / tot_blocks;
1346         ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1347         ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1348         ps->io_syscr = myUsage->pr_sysc;
1349         ps->io_syscw = myUsage->pr_sysc;
1350
1351
1352         /*
1353          * TODO: Find way of setting BLOCKED and PAGING status
1354          */
1355
1356         *state = (char) 'R';
1357         if (myStatus->pr_flags & PR_ASLEEP)
1358                 *state = (char) 'S';
1359         else if (myStatus->pr_flags & PR_STOPPED)
1360                 *state = (char) 'T';
1361         else if (myStatus->pr_flags & PR_DETACH)
1362                 *state = (char) 'E';
1363         else if (myStatus->pr_flags & PR_DAEMON)
1364                 *state = (char) 'A';
1365         else if (myStatus->pr_flags & PR_ISSYS)
1366                 *state = (char) 'Y';
1367         else if (myStatus->pr_flags & PR_ORPHAN)
1368                 *state = (char) 'O';
1369
1370         sfree(myStatus);
1371         sfree(myInfo);
1372         sfree(myUsage);
1373
1374         return (0);
1375 }
1376
1377 /*
1378  * Reads the number of threads created since the last reboot. On Solaris these
1379  * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1380  * The result is the sum for all the threads created on each cpu
1381  */
1382 static int read_fork_rate()
1383 {
1384         extern kstat_ctl_t *kc;
1385         kstat_t *ksp_chain = NULL;
1386         derive_t result = 0;
1387
1388         if (kc == NULL)
1389                 return (-1);
1390
1391         for (ksp_chain = kc->kc_chain;
1392                         ksp_chain != NULL;
1393                         ksp_chain = ksp_chain->ks_next)
1394         {
1395                 if ((strcmp (ksp_chain->ks_module, "cpu") == 0)
1396                                 && (strcmp (ksp_chain->ks_name, "sys") == 0)
1397                                 && (strcmp (ksp_chain->ks_class, "misc") == 0))
1398                 {
1399                         long long tmp;
1400
1401                         kstat_read (kc, ksp_chain, NULL);
1402
1403                         tmp = get_kstat_value(ksp_chain, "nthreads");
1404                         if (tmp != -1LL)
1405                                 result += tmp;
1406                 }
1407         }
1408
1409         ps_submit_fork_rate (result);
1410         return (0);
1411 }
1412 #endif /* KERNEL_SOLARIS */
1413
1414 #if HAVE_THREAD_INFO
1415 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1416 {
1417         int mib[4];
1418
1419         struct kinfo_proc kp;
1420         size_t            kp_size;
1421
1422         mib[0] = CTL_KERN;
1423         mib[1] = KERN_PROC;
1424         mib[2] = KERN_PROC_PID;
1425
1426         if (pid_for_task (t, pid) != KERN_SUCCESS)
1427                 return (-1);
1428         mib[3] = *pid;
1429
1430         kp_size = sizeof (kp);
1431         if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1432                 return (-1);
1433
1434         if (name_max_len > (MAXCOMLEN + 1))
1435                 name_max_len = MAXCOMLEN + 1;
1436
1437         strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1438         name[name_max_len - 1] = '\0';
1439
1440         DEBUG ("pid = %i; name = %s;", *pid, name);
1441
1442         /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1443          * `top' does it, because it is a lot of work and only used when
1444          * debugging. -octo */
1445
1446         return (0);
1447 }
1448 #endif /* HAVE_THREAD_INFO */
1449 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1450
1451 /* do actual readings from kernel */
1452 static int ps_read (void)
1453 {
1454 #if HAVE_THREAD_INFO
1455         kern_return_t            status;
1456
1457         int                      pset;
1458         processor_set_t          port_pset_priv;
1459
1460         int                      task;
1461         task_array_t             task_list;
1462         mach_msg_type_number_t   task_list_len;
1463
1464         int                      task_pid;
1465         char                     task_name[MAXCOMLEN + 1];
1466
1467         int                      thread;
1468         thread_act_array_t       thread_list;
1469         mach_msg_type_number_t   thread_list_len;
1470         thread_basic_info_data_t thread_data;
1471         mach_msg_type_number_t   thread_data_len;
1472
1473         int running  = 0;
1474         int sleeping = 0;
1475         int zombies  = 0;
1476         int stopped  = 0;
1477         int blocked  = 0;
1478
1479         procstat_t *ps;
1480         procstat_entry_t pse;
1481
1482         ps_list_reset ();
1483
1484         /*
1485          * The Mach-concept is a little different from the traditional UNIX
1486          * concept: All the work is done in threads. Threads are contained in
1487          * `tasks'. Therefore, `task status' doesn't make much sense, since
1488          * it's actually a `thread status'.
1489          * Tasks are assigned to sets of processors, so that's where you go to
1490          * get a list.
1491          */
1492         for (pset = 0; pset < pset_list_len; pset++)
1493         {
1494                 if ((status = host_processor_set_priv (port_host_self,
1495                                                 pset_list[pset],
1496                                                 &port_pset_priv)) != KERN_SUCCESS)
1497                 {
1498                         ERROR ("host_processor_set_priv failed: %s\n",
1499                                         mach_error_string (status));
1500                         continue;
1501                 }
1502
1503                 if ((status = processor_set_tasks (port_pset_priv,
1504                                                 &task_list,
1505                                                 &task_list_len)) != KERN_SUCCESS)
1506                 {
1507                         ERROR ("processor_set_tasks failed: %s\n",
1508                                         mach_error_string (status));
1509                         mach_port_deallocate (port_task_self, port_pset_priv);
1510                         continue;
1511                 }
1512
1513                 for (task = 0; task < task_list_len; task++)
1514                 {
1515                         ps = NULL;
1516                         if (mach_get_task_name (task_list[task],
1517                                                 &task_pid,
1518                                                 task_name, PROCSTAT_NAME_LEN) == 0)
1519                         {
1520                                 /* search for at least one match */
1521                                 for (ps = list_head_g; ps != NULL; ps = ps->next)
1522                                         /* FIXME: cmdline should be here instead of NULL */
1523                                         if (ps_list_match (task_name, NULL, ps) == 1)
1524                                                 break;
1525                         }
1526
1527                         /* Collect more detailed statistics for this process */
1528                         if (ps != NULL)
1529                         {
1530                                 task_basic_info_data_t        task_basic_info;
1531                                 mach_msg_type_number_t        task_basic_info_len;
1532                                 task_events_info_data_t       task_events_info;
1533                                 mach_msg_type_number_t        task_events_info_len;
1534                                 task_absolutetime_info_data_t task_absolutetime_info;
1535                                 mach_msg_type_number_t        task_absolutetime_info_len;
1536
1537                                 memset (&pse, '\0', sizeof (pse));
1538                                 pse.id = task_pid;
1539
1540                                 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1541                                 status = task_info (task_list[task],
1542                                                 TASK_BASIC_INFO,
1543                                                 (task_info_t) &task_basic_info,
1544                                                 &task_basic_info_len);
1545                                 if (status != KERN_SUCCESS)
1546                                 {
1547                                         ERROR ("task_info failed: %s",
1548                                                         mach_error_string (status));
1549                                         continue; /* with next thread_list */
1550                                 }
1551
1552                                 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1553                                 status = task_info (task_list[task],
1554                                                 TASK_EVENTS_INFO,
1555                                                 (task_info_t) &task_events_info,
1556                                                 &task_events_info_len);
1557                                 if (status != KERN_SUCCESS)
1558                                 {
1559                                         ERROR ("task_info failed: %s",
1560                                                         mach_error_string (status));
1561                                         continue; /* with next thread_list */
1562                                 }
1563
1564                                 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1565                                 status = task_info (task_list[task],
1566                                                 TASK_ABSOLUTETIME_INFO,
1567                                                 (task_info_t) &task_absolutetime_info,
1568                                                 &task_absolutetime_info_len);
1569                                 if (status != KERN_SUCCESS)
1570                                 {
1571                                         ERROR ("task_info failed: %s",
1572                                                         mach_error_string (status));
1573                                         continue; /* with next thread_list */
1574                                 }
1575
1576                                 pse.num_proc++;
1577                                 pse.vmem_size = task_basic_info.virtual_size;
1578                                 pse.vmem_rss = task_basic_info.resident_size;
1579                                 /* Does not seem to be easily exposed */
1580                                 pse.vmem_data = 0;
1581                                 pse.vmem_code = 0;
1582
1583                                 pse.vmem_minflt_counter = task_events_info.cow_faults;
1584                                 pse.vmem_majflt_counter = task_events_info.faults;
1585
1586                                 pse.cpu_user_counter = task_absolutetime_info.total_user;
1587                                 pse.cpu_system_counter = task_absolutetime_info.total_system;
1588                         }
1589
1590                         status = task_threads (task_list[task], &thread_list,
1591                                         &thread_list_len);
1592                         if (status != KERN_SUCCESS)
1593                         {
1594                                 /* Apple's `top' treats this case a zombie. It
1595                                  * makes sense to some extend: A `zombie'
1596                                  * thread is nonsense, since the task/process
1597                                  * is dead. */
1598                                 zombies++;
1599                                 DEBUG ("task_threads failed: %s",
1600                                                 mach_error_string (status));
1601                                 if (task_list[task] != port_task_self)
1602                                         mach_port_deallocate (port_task_self,
1603                                                         task_list[task]);
1604                                 continue; /* with next task_list */
1605                         }
1606
1607                         for (thread = 0; thread < thread_list_len; thread++)
1608                         {
1609                                 thread_data_len = THREAD_BASIC_INFO_COUNT;
1610                                 status = thread_info (thread_list[thread],
1611                                                 THREAD_BASIC_INFO,
1612                                                 (thread_info_t) &thread_data,
1613                                                 &thread_data_len);
1614                                 if (status != KERN_SUCCESS)
1615                                 {
1616                                         ERROR ("thread_info failed: %s",
1617                                                         mach_error_string (status));
1618                                         if (task_list[task] != port_task_self)
1619                                                 mach_port_deallocate (port_task_self,
1620                                                                 thread_list[thread]);
1621                                         continue; /* with next thread_list */
1622                                 }
1623
1624                                 if (ps != NULL)
1625                                         pse.num_lwp++;
1626
1627                                 switch (thread_data.run_state)
1628                                 {
1629                                         case TH_STATE_RUNNING:
1630                                                 running++;
1631                                                 break;
1632                                         case TH_STATE_STOPPED:
1633                                         /* What exactly is `halted'? */
1634                                         case TH_STATE_HALTED:
1635                                                 stopped++;
1636                                                 break;
1637                                         case TH_STATE_WAITING:
1638                                                 sleeping++;
1639                                                 break;
1640                                         case TH_STATE_UNINTERRUPTIBLE:
1641                                                 blocked++;
1642                                                 break;
1643                                         /* There is no `zombie' case here,
1644                                          * since there are no zombie-threads.
1645                                          * There's only zombie tasks, which are
1646                                          * handled above. */
1647                                         default:
1648                                                 WARNING ("Unknown thread status: %i",
1649                                                                 thread_data.run_state);
1650                                                 break;
1651                                 } /* switch (thread_data.run_state) */
1652
1653                                 if (task_list[task] != port_task_self)
1654                                 {
1655                                         status = mach_port_deallocate (port_task_self,
1656                                                         thread_list[thread]);
1657                                         if (status != KERN_SUCCESS)
1658                                                 ERROR ("mach_port_deallocate failed: %s",
1659                                                                 mach_error_string (status));
1660                                 }
1661                         } /* for (thread_list) */
1662
1663                         if ((status = vm_deallocate (port_task_self,
1664                                                         (vm_address_t) thread_list,
1665                                                         thread_list_len * sizeof (thread_act_t)))
1666                                         != KERN_SUCCESS)
1667                         {
1668                                 ERROR ("vm_deallocate failed: %s",
1669                                                 mach_error_string (status));
1670                         }
1671                         thread_list = NULL;
1672                         thread_list_len = 0;
1673
1674                         /* Only deallocate the task port, if it isn't our own.
1675                          * Don't know what would happen in that case, but this
1676                          * is what Apple's top does.. ;) */
1677                         if (task_list[task] != port_task_self)
1678                         {
1679                                 status = mach_port_deallocate (port_task_self,
1680                                                 task_list[task]);
1681                                 if (status != KERN_SUCCESS)
1682                                         ERROR ("mach_port_deallocate failed: %s",
1683                                                         mach_error_string (status));
1684                         }
1685
1686                         if (ps != NULL)
1687                                 /* FIXME: cmdline should be here instead of NULL */
1688                                 ps_list_add (task_name, NULL, &pse);
1689                 } /* for (task_list) */
1690
1691                 if ((status = vm_deallocate (port_task_self,
1692                                 (vm_address_t) task_list,
1693                                 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1694                 {
1695                         ERROR ("vm_deallocate failed: %s",
1696                                         mach_error_string (status));
1697                 }
1698                 task_list = NULL;
1699                 task_list_len = 0;
1700
1701                 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1702                                 != KERN_SUCCESS)
1703                 {
1704                         ERROR ("mach_port_deallocate failed: %s",
1705                                         mach_error_string (status));
1706                 }
1707         } /* for (pset_list) */
1708
1709         ps_submit_state ("running", running);
1710         ps_submit_state ("sleeping", sleeping);
1711         ps_submit_state ("zombies", zombies);
1712         ps_submit_state ("stopped", stopped);
1713         ps_submit_state ("blocked", blocked);
1714
1715         for (ps = list_head_g; ps != NULL; ps = ps->next)
1716                 ps_submit_proc_list (ps);
1717 /* #endif HAVE_THREAD_INFO */
1718
1719 #elif KERNEL_LINUX
1720         int running  = 0;
1721         int sleeping = 0;
1722         int zombies  = 0;
1723         int stopped  = 0;
1724         int paging   = 0;
1725         int blocked  = 0;
1726
1727         struct dirent *ent;
1728         DIR           *proc;
1729         long           pid;
1730
1731         char cmdline[ARG_MAX];
1732
1733         int        status;
1734         procstat_t ps;
1735         procstat_entry_t pse;
1736         char       state;
1737
1738         procstat_t *ps_ptr;
1739
1740         running = sleeping = zombies = stopped = paging = blocked = 0;
1741         ps_list_reset ();
1742
1743         if ((proc = opendir ("/proc")) == NULL)
1744         {
1745                 char errbuf[1024];
1746                 ERROR ("Cannot open `/proc': %s",
1747                                 sstrerror (errno, errbuf, sizeof (errbuf)));
1748                 return (-1);
1749         }
1750
1751         while ((ent = readdir (proc)) != NULL)
1752         {
1753                 if (!isdigit (ent->d_name[0]))
1754                         continue;
1755
1756                 if ((pid = atol (ent->d_name)) < 1)
1757                         continue;
1758
1759                 status = ps_read_process (pid, &ps, &state);
1760                 if (status != 0)
1761                 {
1762                         DEBUG ("ps_read_process failed: %i", status);
1763                         continue;
1764                 }
1765
1766                 pse.id       = pid;
1767                 pse.age      = 0;
1768
1769                 pse.num_proc   = ps.num_proc;
1770                 pse.num_lwp    = ps.num_lwp;
1771                 pse.vmem_size  = ps.vmem_size;
1772                 pse.vmem_rss   = ps.vmem_rss;
1773                 pse.vmem_data  = ps.vmem_data;
1774                 pse.vmem_code  = ps.vmem_code;
1775                 pse.stack_size = ps.stack_size;
1776
1777                 pse.vmem_minflt = 0;
1778                 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1779                 pse.vmem_majflt = 0;
1780                 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1781
1782                 pse.cpu_user = 0;
1783                 pse.cpu_user_counter = ps.cpu_user_counter;
1784                 pse.cpu_system = 0;
1785                 pse.cpu_system_counter = ps.cpu_system_counter;
1786
1787                 pse.io_rchar = ps.io_rchar;
1788                 pse.io_wchar = ps.io_wchar;
1789                 pse.io_syscr = ps.io_syscr;
1790                 pse.io_syscw = ps.io_syscw;
1791
1792                 switch (state)
1793                 {
1794                         case 'R': running++;  break;
1795                         case 'S': sleeping++; break;
1796                         case 'D': blocked++;  break;
1797                         case 'Z': zombies++;  break;
1798                         case 'T': stopped++;  break;
1799                         case 'W': paging++;   break;
1800                 }
1801
1802                 ps_list_add (ps.name,
1803                                 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1804                                 &pse);
1805         }
1806
1807         closedir (proc);
1808
1809         ps_submit_state ("running",  running);
1810         ps_submit_state ("sleeping", sleeping);
1811         ps_submit_state ("zombies",  zombies);
1812         ps_submit_state ("stopped",  stopped);
1813         ps_submit_state ("paging",   paging);
1814         ps_submit_state ("blocked",  blocked);
1815
1816         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1817                 ps_submit_proc_list (ps_ptr);
1818
1819         read_fork_rate();
1820 /* #endif KERNEL_LINUX */
1821
1822 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1823         int running  = 0;
1824         int sleeping = 0;
1825         int zombies  = 0;
1826         int stopped  = 0;
1827         int blocked  = 0;
1828         int idle     = 0;
1829         int wait     = 0;
1830
1831         kvm_t *kd;
1832         char errbuf[_POSIX2_LINE_MAX];
1833         struct kinfo_proc *procs;          /* array of processes */
1834         struct kinfo_proc *proc_ptr = NULL;
1835         int count;                         /* returns number of processes */
1836         int i;
1837
1838         procstat_t *ps_ptr;
1839         procstat_entry_t pse;
1840
1841         ps_list_reset ();
1842
1843         /* Open the kvm interface, get a descriptor */
1844         kd = kvm_openfiles (NULL, "/dev/null", NULL, 0, errbuf);
1845         if (kd == NULL)
1846         {
1847                 ERROR ("processes plugin: Cannot open kvm interface: %s",
1848                                 errbuf);
1849                 return (0);
1850         }
1851
1852         /* Get the list of processes. */
1853         procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1854         if (procs == NULL)
1855         {
1856                 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1857                                 kvm_geterr(kd));
1858                 kvm_close (kd);
1859                 return (0);
1860         }
1861
1862         /* Iterate through the processes in kinfo_proc */
1863         for (i = 0; i < count; i++)
1864         {
1865                 /* Create only one process list entry per _process_, i.e.
1866                  * filter out threads (duplicate PID entries). */
1867                 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1868                 {
1869                         char cmdline[ARG_MAX] = "";
1870                         _Bool have_cmdline = 0;
1871
1872                         proc_ptr = &(procs[i]);
1873                         /* Don't probe system processes and processes without arguments */
1874                         if (((procs[i].ki_flag & P_SYSTEM) == 0)
1875                                         && (procs[i].ki_args != NULL))
1876                         {
1877                                 char **argv;
1878                                 int argc;
1879                                 int status;
1880
1881                                 /* retrieve the arguments */
1882                                 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1883                                 argc = 0;
1884                                 if ((argv != NULL) && (argv[0] != NULL))
1885                                 {
1886                                         while (argv[argc] != NULL)
1887                                                 argc++;
1888
1889                                         status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1890                                         if (status < 0)
1891                                                 WARNING ("processes plugin: Command line did not fit into buffer.");
1892                                         else
1893                                                 have_cmdline = 1;
1894                                 }
1895                         } /* if (process has argument list) */
1896
1897                         pse.id       = procs[i].ki_pid;
1898                         pse.age      = 0;
1899
1900                         pse.num_proc = 1;
1901                         pse.num_lwp  = procs[i].ki_numthreads;
1902
1903                         pse.vmem_size = procs[i].ki_size;
1904                         pse.vmem_rss = procs[i].ki_rssize * pagesize;
1905                         pse.vmem_data = procs[i].ki_dsize * pagesize;
1906                         pse.vmem_code = procs[i].ki_tsize * pagesize;
1907                         pse.stack_size = procs[i].ki_ssize * pagesize;
1908                         pse.vmem_minflt = 0;
1909                         pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1910                         pse.vmem_majflt = 0;
1911                         pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1912
1913                         pse.cpu_user = 0;
1914                         pse.cpu_system = 0;
1915                         pse.cpu_user_counter = 0;
1916                         pse.cpu_system_counter = 0;
1917                         /*
1918                          * The u-area might be swapped out, and we can't get
1919                          * at it because we have a crashdump and no swap.
1920                          * If it's here fill in these fields, otherwise, just
1921                          * leave them 0.
1922                          */
1923                         if (procs[i].ki_flag & P_INMEM)
1924                         {
1925                                 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
1926                                         + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
1927                                 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
1928                                         + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
1929                         }
1930
1931                         /* no I/O data */
1932                         pse.io_rchar = -1;
1933                         pse.io_wchar = -1;
1934                         pse.io_syscr = -1;
1935                         pse.io_syscw = -1;
1936
1937                         ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
1938
1939                         switch (procs[i].ki_stat)
1940                         {
1941                                 case SSTOP:     stopped++;      break;
1942                                 case SSLEEP:    sleeping++;     break;
1943                                 case SRUN:      running++;      break;
1944                                 case SIDL:      idle++;         break;
1945                                 case SWAIT:     wait++;         break;
1946                                 case SLOCK:     blocked++;      break;
1947                                 case SZOMB:     zombies++;      break;
1948                         }
1949                 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
1950         }
1951
1952         kvm_close(kd);
1953
1954         ps_submit_state ("running",  running);
1955         ps_submit_state ("sleeping", sleeping);
1956         ps_submit_state ("zombies",  zombies);
1957         ps_submit_state ("stopped",  stopped);
1958         ps_submit_state ("blocked",  blocked);
1959         ps_submit_state ("idle",     idle);
1960         ps_submit_state ("wait",     wait);
1961
1962         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1963                 ps_submit_proc_list (ps_ptr);
1964 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
1965
1966 #elif HAVE_PROCINFO_H
1967         /* AIX */
1968         int running  = 0;
1969         int sleeping = 0;
1970         int zombies  = 0;
1971         int stopped  = 0;
1972         int paging   = 0;
1973         int blocked  = 0;
1974
1975         pid_t pindex = 0;
1976         int nprocs;
1977
1978         procstat_t *ps;
1979         procstat_entry_t pse;
1980
1981         ps_list_reset ();
1982         while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
1983                                         /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
1984                                         &pindex, MAXPROCENTRY)) > 0)
1985         {
1986                 int i;
1987
1988                 for (i = 0; i < nprocs; i++)
1989                 {
1990                         tid64_t thindex;
1991                         int nthreads;
1992                         char arglist[MAXARGLN+1];
1993                         char *cargs;
1994                         char *cmdline;
1995
1996                         if (procentry[i].pi_state == SNONE) continue;
1997                         /* if (procentry[i].pi_state == SZOMB)  FIXME */
1998
1999                         cmdline = procentry[i].pi_comm;
2000                         cargs = procentry[i].pi_comm;
2001                         if ( procentry[i].pi_flags & SKPROC )
2002                         {
2003                                 if (procentry[i].pi_pid == 0)
2004                                         cmdline = "swapper";
2005                                 cargs = cmdline;
2006                         }
2007                         else
2008                         {
2009                                 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
2010                                 {
2011                                         int n;
2012
2013                                         n = -1;
2014                                         while (++n < MAXARGLN)
2015                                         {
2016                                                 if (arglist[n] == '\0')
2017                                                 {
2018                                                         if (arglist[n+1] == '\0')
2019                                                                 break;
2020                                                         arglist[n] = ' ';
2021                                                 }
2022                                         }
2023                                         cargs = arglist;
2024                                 }
2025                         }
2026
2027                         pse.id       = procentry[i].pi_pid;
2028                         pse.age      = 0;
2029                         pse.num_lwp  = procentry[i].pi_thcount;
2030                         pse.num_proc = 1;
2031
2032                         thindex=0;
2033                         while ((nthreads = getthrds64(procentry[i].pi_pid,
2034                                                         thrdentry, sizeof(struct thrdentry64),
2035                                                         &thindex, MAXTHRDENTRY)) > 0)
2036                         {
2037                                 int j;
2038
2039                                 for (j=0; j< nthreads; j++)
2040                                 {
2041                                         switch (thrdentry[j].ti_state)
2042                                         {
2043                                                 /* case TSNONE: break; */
2044                                                 case TSIDL:     blocked++;      break; /* FIXME is really blocked */
2045                                                 case TSRUN:     running++;      break;
2046                                                 case TSSLEEP:   sleeping++;     break;
2047                                                 case TSSWAP:    paging++;       break;
2048                                                 case TSSTOP:    stopped++;      break;
2049                                                 case TSZOMB:    zombies++;      break;
2050                                         }
2051                                 }
2052                                 if (nthreads < MAXTHRDENTRY)
2053                                         break;
2054                         }
2055
2056                         pse.cpu_user = 0;
2057                         /* tv_usec is nanosec ??? */
2058                         pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2059                                 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2060
2061                         pse.cpu_system = 0;
2062                         /* tv_usec is nanosec ??? */
2063                         pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2064                                 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2065
2066                         pse.vmem_minflt = 0;
2067                         pse.vmem_minflt_counter = procentry[i].pi_minflt;
2068                         pse.vmem_majflt = 0;
2069                         pse.vmem_majflt_counter = procentry[i].pi_majflt;
2070
2071                         pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2072                         pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2073                         /* Not supported */
2074                         pse.vmem_data = 0;
2075                         pse.vmem_code = 0;
2076                         pse.stack_size =  0;
2077
2078                         pse.io_rchar = -1;
2079                         pse.io_wchar = -1;
2080                         pse.io_syscr = -1;
2081                         pse.io_syscw = -1;
2082
2083                         ps_list_add (cmdline, cargs, &pse);
2084                 } /* for (i = 0 .. nprocs) */
2085
2086                 if (nprocs < MAXPROCENTRY)
2087                         break;
2088         } /* while (getprocs64() > 0) */
2089         ps_submit_state ("running",  running);
2090         ps_submit_state ("sleeping", sleeping);
2091         ps_submit_state ("zombies",  zombies);
2092         ps_submit_state ("stopped",  stopped);
2093         ps_submit_state ("paging",   paging);
2094         ps_submit_state ("blocked",  blocked);
2095
2096         for (ps = list_head_g; ps != NULL; ps = ps->next)
2097                 ps_submit_proc_list (ps);
2098 /* #endif HAVE_PROCINFO_H */
2099
2100 #elif KERNEL_SOLARIS
2101         /*
2102          * The Solaris section adds a few more process states and removes some
2103          * process states compared to linux. Most notably there is no "PAGING"
2104          * and "BLOCKED" state for a process.  The rest is similar to the linux
2105          * code.
2106          */
2107         int running = 0;
2108         int sleeping = 0;
2109         int zombies = 0;
2110         int stopped = 0;
2111         int detached = 0;
2112         int daemon = 0;
2113         int system = 0;
2114         int orphan = 0;
2115
2116         struct dirent *ent;
2117         DIR *proc;
2118
2119         int status;
2120         procstat_t *ps_ptr;
2121         char state;
2122
2123         char cmdline[PRARGSZ];
2124
2125         ps_list_reset ();
2126
2127         proc = opendir ("/proc");
2128         if (proc == NULL)
2129                 return (-1);
2130
2131         while ((ent = readdir(proc)) != NULL)
2132         {
2133                 long pid;
2134                 struct procstat ps;
2135                 procstat_entry_t pse;
2136                 char *endptr;
2137
2138                 if (!isdigit ((int) ent->d_name[0]))
2139                         continue;
2140
2141                 pid = strtol (ent->d_name, &endptr, 10);
2142                 if (*endptr != 0) /* value didn't completely parse as a number */
2143                         continue;
2144
2145                 status = ps_read_process (pid, &ps, &state);
2146                 if (status != 0)
2147                 {
2148                         DEBUG("ps_read_process failed: %i", status);
2149                         continue;
2150                 }
2151
2152                 pse.id = pid;
2153                 pse.age = 0;
2154
2155                 pse.num_proc   = ps.num_proc;
2156                 pse.num_lwp    = ps.num_lwp;
2157                 pse.vmem_size  = ps.vmem_size;
2158                 pse.vmem_rss   = ps.vmem_rss;
2159                 pse.vmem_data  = ps.vmem_data;
2160                 pse.vmem_code  = ps.vmem_code;
2161                 pse.stack_size = ps.stack_size;
2162
2163                 pse.vmem_minflt = 0;
2164                 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2165                 pse.vmem_majflt = 0;
2166                 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2167
2168                 pse.cpu_user = 0;
2169                 pse.cpu_user_counter = ps.cpu_user_counter;
2170                 pse.cpu_system = 0;
2171                 pse.cpu_system_counter = ps.cpu_system_counter;
2172
2173                 pse.io_rchar = ps.io_rchar;
2174                 pse.io_wchar = ps.io_wchar;
2175                 pse.io_syscr = ps.io_syscr;
2176                 pse.io_syscw = ps.io_syscw;
2177
2178                 switch (state)
2179                 {
2180                         case 'R': running++;  break;
2181                         case 'S': sleeping++; break;
2182                         case 'E': detached++; break;
2183                         case 'Z': zombies++;  break;
2184                         case 'T': stopped++;  break;
2185                         case 'A': daemon++;   break;
2186                         case 'Y': system++;   break;
2187                         case 'O': orphan++;   break;
2188                 }
2189
2190
2191                 ps_list_add (ps.name,
2192                                 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
2193                                 &pse);
2194         } /* while(readdir) */
2195         closedir (proc);
2196
2197         ps_submit_state ("running",  running);
2198         ps_submit_state ("sleeping", sleeping);
2199         ps_submit_state ("zombies",  zombies);
2200         ps_submit_state ("stopped",  stopped);
2201         ps_submit_state ("detached", detached);
2202         ps_submit_state ("daemon",   daemon);
2203         ps_submit_state ("system",   system);
2204         ps_submit_state ("orphan",   orphan);
2205
2206         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2207                 ps_submit_proc_list (ps_ptr);
2208
2209         read_fork_rate();
2210 #endif /* KERNEL_SOLARIS */
2211
2212         return (0);
2213 } /* int ps_read */
2214
2215 void module_register (void)
2216 {
2217         plugin_register_complex_config ("processes", ps_config);
2218         plugin_register_init ("processes", ps_init);
2219         plugin_register_read ("processes", ps_read);
2220 } /* void module_register */