src/processes.c

   1 /**
   2  * collectd - src/processes.c
   3  * Copyright (C) 2005       Lyonel Vincent
   4  * Copyright (C) 2006-2010  Florian octo Forster
   5  * Copyright (C) 2008       Oleg King
   6  * Copyright (C) 2009       Sebastian Harl
   7  * Copyright (C) 2009       Andrés J. Díaz
   8  * Copyright (C) 2009       Manuel Sanmartin
   9  * Copyright (C) 2010       Clément Stenac
  10  * Copyright (C) 2012       Cosmin Ioiart
  11  *
  12  * This program is free software; you can redistribute it and/or modify it
  13  * under the terms of the GNU General Public License as published by the
  14  * Free Software Foundation; either version 2 of the License, or (at your
  15  * option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful, but
  18  * WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20  * General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License along
  23  * with this program; if not, write to the Free Software Foundation, Inc.,
  24  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  25  *
  26  * Authors:
  27  *   Lyonel Vincent <lyonel at ezix.org>
  28  *   Florian octo Forster <octo at verplant.org>
  29  *   Oleg King <king2 at kaluga.ru>
  30  *   Sebastian Harl <sh at tokkee.org>
  31  *   Andrés J. Díaz <ajdiaz at connectical.com>
  32  *   Manuel Sanmartin
  33  *   Clément Stenac <clement.stenac at diwi.org>
  34  *   Cosmin Ioiart <cioiart at gmail.com>
  35  **/
  36
  37 #include "collectd.h"
  38 #include "common.h"
  39 #include "plugin.h"
  40 #include "configfile.h"
  41
  42 /* Include header files for the mach system, if they exist.. */
  43 #if HAVE_THREAD_INFO
  44 #  if HAVE_MACH_MACH_INIT_H
  45 #    include <mach/mach_init.h>
  46 #  endif
  47 #  if HAVE_MACH_HOST_PRIV_H
  48 #    include <mach/host_priv.h>
  49 #  endif
  50 #  if HAVE_MACH_MACH_ERROR_H
  51 #    include <mach/mach_error.h>
  52 #  endif
  53 #  if HAVE_MACH_MACH_HOST_H
  54 #    include <mach/mach_host.h>
  55 #  endif
  56 #  if HAVE_MACH_MACH_PORT_H
  57 #    include <mach/mach_port.h>
  58 #  endif
  59 #  if HAVE_MACH_MACH_TYPES_H
  60 #    include <mach/mach_types.h>
  61 #  endif
  62 #  if HAVE_MACH_MESSAGE_H
  63 #    include <mach/message.h>
  64 #  endif
  65 #  if HAVE_MACH_PROCESSOR_SET_H
  66 #    include <mach/processor_set.h>
  67 #  endif
  68 #  if HAVE_MACH_TASK_H
  69 #    include <mach/task.h>
  70 #  endif
  71 #  if HAVE_MACH_THREAD_ACT_H
  72 #    include <mach/thread_act.h>
  73 #  endif
  74 #  if HAVE_MACH_VM_REGION_H
  75 #    include <mach/vm_region.h>
  76 #  endif
  77 #  if HAVE_MACH_VM_MAP_H
  78 #    include <mach/vm_map.h>
  79 #  endif
  80 #  if HAVE_MACH_VM_PROT_H
  81 #    include <mach/vm_prot.h>
  82 #  endif
  83 #  if HAVE_SYS_SYSCTL_H
  84 #    include <sys/sysctl.h>
  85 #  endif
  86 /* #endif HAVE_THREAD_INFO */
  87
  88 #elif KERNEL_LINUX
  89 #  if HAVE_LINUX_CONFIG_H
  90 #    include <linux/config.h>
  91 #  endif
  92 #  ifndef CONFIG_HZ
  93 #    define CONFIG_HZ 100
  94 #  endif
  95 /* #endif KERNEL_LINUX */
  96
  97 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
  98 #  include <kvm.h>
  99 #  include <sys/param.h>
 100 #  include <sys/sysctl.h>
 101 #  include <sys/user.h>
 102 #  include <sys/proc.h>
 103 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
 104
 105 #elif HAVE_PROCINFO_H
 106 #  include <procinfo.h>
 107 #  include <sys/types.h>
 108
 109 #define MAXPROCENTRY 32
 110 #define MAXTHRDENTRY 16
 111 #define MAXARGLN 1024
 112 /* #endif HAVE_PROCINFO_H */
 113
 114 #elif KERNEL_SOLARIS
 115 /* Hack: Avoid #error when building a 32-bit binary with
 116  * _FILE_OFFSET_BITS=64. There is a reason for this #error, as one
 117  * of the structures in <sys/procfs.h> uses an off_t, but that
 118  * isn't relevant to our usage of procfs. */
 119 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64
 120 #  define SAVE_FOB_64
 121 #  undef _FILE_OFFSET_BITS
 122 #endif
 123
 124 # include <procfs.h>
 125
 126 #ifdef SAVE_FOB_64
 127 #  define _FILE_OFFSET_BITS 64
 128 #  undef SAVE_FOB_64
 129 #endif
 130
 131 # include <dirent.h>
 132
 133 #ifndef MAXCOMLEN
 134 #  define MAXCOMLEN 16
 135 #endif
 136
 137 /* #endif KERNEL_SOLARIS */
 138
 139 #else
 140 # error "No applicable input method."
 141 #endif
 142
 143 #if HAVE_REGEX_H
 144 # include <regex.h>
 145 #endif
 146
 147 #if HAVE_KSTAT_H
 148 # include <kstat.h>
 149 #endif
 150
 151 #ifndef ARG_MAX
 152 #  define ARG_MAX 4096
 153 #endif
 154
 155 typedef struct procstat_entry_s
 156 {
 157         unsigned long id;
 158         unsigned long age;
 159
 160         unsigned long num_proc;
 161         unsigned long num_lwp;
 162         unsigned long vmem_size;
 163         unsigned long vmem_rss;
 164         unsigned long vmem_data;
 165         unsigned long vmem_code;
 166         unsigned long stack_size;
 167
 168         unsigned long vmem_minflt;
 169         unsigned long vmem_majflt;
 170         derive_t      vmem_minflt_counter;
 171         derive_t      vmem_majflt_counter;
 172
 173         unsigned long cpu_user;
 174         unsigned long cpu_system;
 175         derive_t      cpu_user_counter;
 176         derive_t      cpu_system_counter;
 177
 178         /* io data */
 179         derive_t io_rchar;
 180         derive_t io_wchar;
 181         derive_t io_syscr;
 182         derive_t io_syscw;
 183
 184         struct procstat_entry_s *next;
 185 } procstat_entry_t;
 186
 187 #define PROCSTAT_NAME_LEN 256
 188 typedef struct procstat
 189 {
 190         char          name[PROCSTAT_NAME_LEN];
 191 #if HAVE_REGEX_H
 192         regex_t *re;
 193 #endif
 194
 195         unsigned long num_proc;
 196         unsigned long num_lwp;
 197         unsigned long vmem_size;
 198         unsigned long vmem_rss;
 199         unsigned long vmem_data;
 200         unsigned long vmem_code;
 201         unsigned long stack_size;
 202
 203         derive_t vmem_minflt_counter;
 204         derive_t vmem_majflt_counter;
 205
 206         derive_t cpu_user_counter;
 207         derive_t cpu_system_counter;
 208
 209         /* io data */
 210         derive_t io_rchar;
 211         derive_t io_wchar;
 212         derive_t io_syscr;
 213         derive_t io_syscw;
 214
 215         struct procstat   *next;
 216         struct procstat_entry_s *instances;
 217 } procstat_t;
 218
 219 static procstat_t *list_head_g = NULL;
 220
 221 #if HAVE_THREAD_INFO
 222 static mach_port_t port_host_self;
 223 static mach_port_t port_task_self;
 224
 225 static processor_set_name_array_t pset_list;
 226 static mach_msg_type_number_t     pset_list_len;
 227 /* #endif HAVE_THREAD_INFO */
 228
 229 #elif KERNEL_LINUX
 230 static long pagesize_g;
 231 /* #endif KERNEL_LINUX */
 232
 233 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
 234 static int pagesize;
 235 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
 236
 237 #elif HAVE_PROCINFO_H
 238 static  struct procentry64 procentry[MAXPROCENTRY];
 239 static  struct thrdentry64 thrdentry[MAXTHRDENTRY];
 240 static int pagesize;
 241
 242 #ifndef _AIXVERSION_610
 243 int     getprocs64 (void *procsinfo, int sizproc, void *fdsinfo, int sizfd, pid_t *index, int count);
 244 int     getthrds64( pid_t, void *, int, tid64_t *, int );
 245 #endif
 246 int getargs (void *processBuffer, int bufferLen, char *argsBuffer, int argsLen);
 247 #endif /* HAVE_PROCINFO_H */
 248
 249 /* put name of process from config to list_head_g tree
 250  * list_head_g is a list of 'procstat_t' structs with
 251  * processes names we want to watch */
 252 static void ps_list_register (const char *name, const char *regexp)
 253 {
 254         procstat_t *new;
 255         procstat_t *ptr;
 256         int status;
 257
 258         new = (procstat_t *) malloc (sizeof (procstat_t));
 259         if (new == NULL)
 260         {
 261                 ERROR ("processes plugin: ps_list_register: malloc failed.");
 262                 return;
 263         }
 264         memset (new, 0, sizeof (procstat_t));
 265         sstrncpy (new->name, name, sizeof (new->name));
 266
 267 #if HAVE_REGEX_H
 268         if (regexp != NULL)
 269         {
 270                 DEBUG ("ProcessMatch: adding \"%s\" as criteria to process %s.", regexp, name);
 271                 new->re = (regex_t *) malloc (sizeof (regex_t));
 272                 if (new->re == NULL)
 273                 {
 274                         ERROR ("processes plugin: ps_list_register: malloc failed.");
 275                         sfree (new);
 276                         return;
 277                 }
 278
 279                 status = regcomp (new->re, regexp, REG_EXTENDED | REG_NOSUB);
 280                 if (status != 0)
 281                 {
 282                         DEBUG ("ProcessMatch: compiling the regular expression \"%s\" failed.", regexp);
 283                         sfree(new->re);
 284                         sfree(new);
 285                         return;
 286                 }
 287         }
 288 #else
 289         if (regexp != NULL)
 290         {
 291                 ERROR ("processes plugin: ps_list_register: "
 292                                 "Regular expression \"%s\" found in config "
 293                                 "file, but support for regular expressions "
 294                                 "has been disabled at compile time.",
 295                                 regexp);
 296                 sfree (new);
 297                 return;
 298         }
 299 #endif
 300
 301         for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
 302         {
 303                 if (strcmp (ptr->name, name) == 0)
 304                 {
 305                         WARNING ("processes plugin: You have configured more "
 306                                         "than one `Process' or "
 307                                         "`ProcessMatch' with the same name. "
 308                                         "All but the first setting will be "
 309                                         "ignored.");
 310 #if HAVE_REGEX_H
 311                         sfree (new->re);
 312 #endif
 313                         sfree (new);
 314                         return;
 315                 }
 316
 317                 if (ptr->next == NULL)
 318                         break;
 319         }
 320
 321         if (ptr == NULL)
 322                 list_head_g = new;
 323         else
 324                 ptr->next = new;
 325 } /* void ps_list_register */
 326
 327 /* try to match name against entry, returns 1 if success */
 328 static int ps_list_match (const char *name, const char *cmdline, procstat_t *ps)
 329 {
 330 #if HAVE_REGEX_H
 331         if (ps->re != NULL)
 332         {
 333                 int status;
 334                 const char *str;
 335
 336                 str = cmdline;
 337                 if ((str == NULL) || (str[0] == 0))
 338                         str = name;
 339
 340                 assert (str != NULL);
 341
 342                 status = regexec (ps->re, str,
 343                                 /* nmatch = */ 0,
 344                                 /* pmatch = */ NULL,
 345                                 /* eflags = */ 0);
 346                 if (status == 0)
 347                         return (1);
 348         }
 349         else
 350 #endif
 351         if (strcmp (ps->name, name) == 0)
 352                 return (1);
 353
 354         return (0);
 355 } /* int ps_list_match */
 356
 357 /* add process entry to 'instances' of process 'name' (or refresh it) */
 358 static void ps_list_add (const char *name, const char *cmdline, procstat_entry_t *entry)
 359 {
 360         procstat_t *ps;
 361         procstat_entry_t *pse;
 362
 363         if (entry->id == 0)
 364                 return;
 365
 366         for (ps = list_head_g; ps != NULL; ps = ps->next)
 367         {
 368                 if ((ps_list_match (name, cmdline, ps)) == 0)
 369                         continue;
 370
 371                 for (pse = ps->instances; pse != NULL; pse = pse->next)
 372                         if ((pse->id == entry->id) || (pse->next == NULL))
 373                                 break;
 374
 375                 if ((pse == NULL) || (pse->id != entry->id))
 376                 {
 377                         procstat_entry_t *new;
 378
 379                         new = (procstat_entry_t *) malloc (sizeof (procstat_entry_t));
 380                         if (new == NULL)
 381                                 return;
 382                         memset (new, 0, sizeof (procstat_entry_t));
 383                         new->id = entry->id;
 384
 385                         if (pse == NULL)
 386                                 ps->instances = new;
 387                         else
 388                                 pse->next = new;
 389
 390                         pse = new;
 391                 }
 392
 393                 pse->age = 0;
 394                 pse->num_proc   = entry->num_proc;
 395                 pse->num_lwp    = entry->num_lwp;
 396                 pse->vmem_size  = entry->vmem_size;
 397                 pse->vmem_rss   = entry->vmem_rss;
 398                 pse->vmem_data  = entry->vmem_data;
 399                 pse->vmem_code  = entry->vmem_code;
 400                 pse->stack_size = entry->stack_size;
 401                 pse->io_rchar   = entry->io_rchar;
 402                 pse->io_wchar   = entry->io_wchar;
 403                 pse->io_syscr   = entry->io_syscr;
 404                 pse->io_syscw   = entry->io_syscw;
 405
 406                 ps->num_proc   += pse->num_proc;
 407                 ps->num_lwp    += pse->num_lwp;
 408                 ps->vmem_size  += pse->vmem_size;
 409                 ps->vmem_rss   += pse->vmem_rss;
 410                 ps->vmem_data  += pse->vmem_data;
 411                 ps->vmem_code  += pse->vmem_code;
 412                 ps->stack_size += pse->stack_size;
 413
 414                 ps->io_rchar   += ((pse->io_rchar == -1)?0:pse->io_rchar);
 415                 ps->io_wchar   += ((pse->io_wchar == -1)?0:pse->io_wchar);
 416                 ps->io_syscr   += ((pse->io_syscr == -1)?0:pse->io_syscr);
 417                 ps->io_syscw   += ((pse->io_syscw == -1)?0:pse->io_syscw);
 418
 419                 if ((entry->vmem_minflt_counter == 0)
 420                                 && (entry->vmem_majflt_counter == 0))
 421                 {
 422                         pse->vmem_minflt_counter += entry->vmem_minflt;
 423                         pse->vmem_minflt = entry->vmem_minflt;
 424
 425                         pse->vmem_majflt_counter += entry->vmem_majflt;
 426                         pse->vmem_majflt = entry->vmem_majflt;
 427                 }
 428                 else
 429                 {
 430                         if (entry->vmem_minflt_counter < pse->vmem_minflt_counter)
 431                         {
 432                                 pse->vmem_minflt = entry->vmem_minflt_counter
 433                                         + (ULONG_MAX - pse->vmem_minflt_counter);
 434                         }
 435                         else
 436                         {
 437                                 pse->vmem_minflt = entry->vmem_minflt_counter - pse->vmem_minflt_counter;
 438                         }
 439                         pse->vmem_minflt_counter = entry->vmem_minflt_counter;
 440
 441                         if (entry->vmem_majflt_counter < pse->vmem_majflt_counter)
 442                         {
 443                                 pse->vmem_majflt = entry->vmem_majflt_counter
 444                                         + (ULONG_MAX - pse->vmem_majflt_counter);
 445                         }
 446                         else
 447                         {
 448                                 pse->vmem_majflt = entry->vmem_majflt_counter - pse->vmem_majflt_counter;
 449                         }
 450                         pse->vmem_majflt_counter = entry->vmem_majflt_counter;
 451                 }
 452
 453                 ps->vmem_minflt_counter += pse->vmem_minflt;
 454                 ps->vmem_majflt_counter += pse->vmem_majflt;
 455
 456                 if ((entry->cpu_user_counter == 0)
 457                                 && (entry->cpu_system_counter == 0))
 458                 {
 459                         pse->cpu_user_counter += entry->cpu_user;
 460                         pse->cpu_user = entry->cpu_user;
 461
 462                         pse->cpu_system_counter += entry->cpu_system;
 463                         pse->cpu_system = entry->cpu_system;
 464                 }
 465                 else
 466                 {
 467                         if (entry->cpu_user_counter < pse->cpu_user_counter)
 468                         {
 469                                 pse->cpu_user = entry->cpu_user_counter
 470                                         + (ULONG_MAX - pse->cpu_user_counter);
 471                         }
 472                         else
 473                         {
 474                                 pse->cpu_user = entry->cpu_user_counter - pse->cpu_user_counter;
 475                         }
 476                         pse->cpu_user_counter = entry->cpu_user_counter;
 477
 478                         if (entry->cpu_system_counter < pse->cpu_system_counter)
 479                         {
 480                                 pse->cpu_system = entry->cpu_system_counter
 481                                         + (ULONG_MAX - pse->cpu_system_counter);
 482                         }
 483                         else
 484                         {
 485                                 pse->cpu_system = entry->cpu_system_counter - pse->cpu_system_counter;
 486                         }
 487                         pse->cpu_system_counter = entry->cpu_system_counter;
 488                 }
 489
 490                 ps->cpu_user_counter   += pse->cpu_user;
 491                 ps->cpu_system_counter += pse->cpu_system;
 492         }
 493 }
 494
 495 /* remove old entries from instances of processes in list_head_g */
 496 static void ps_list_reset (void)
 497 {
 498         procstat_t *ps;
 499         procstat_entry_t *pse;
 500         procstat_entry_t *pse_prev;
 501
 502         for (ps = list_head_g; ps != NULL; ps = ps->next)
 503         {
 504                 ps->num_proc    = 0;
 505                 ps->num_lwp     = 0;
 506                 ps->vmem_size   = 0;
 507                 ps->vmem_rss    = 0;
 508                 ps->vmem_data   = 0;
 509                 ps->vmem_code   = 0;
 510                 ps->stack_size  = 0;
 511                 ps->io_rchar = -1;
 512                 ps->io_wchar = -1;
 513                 ps->io_syscr = -1;
 514                 ps->io_syscw = -1;
 515
 516                 pse_prev = NULL;
 517                 pse = ps->instances;
 518                 while (pse != NULL)
 519                 {
 520                         if (pse->age > 10)
 521                         {
 522                                 DEBUG ("Removing this procstat entry cause it's too old: "
 523                                                 "id = %lu; name = %s;",
 524                                                 pse->id, ps->name);
 525
 526                                 if (pse_prev == NULL)
 527                                 {
 528                                         ps->instances = pse->next;
 529                                         free (pse);
 530                                         pse = ps->instances;
 531                                 }
 532                                 else
 533                                 {
 534                                         pse_prev->next = pse->next;
 535                                         free (pse);
 536                                         pse = pse_prev->next;
 537                                 }
 538                         }
 539                         else
 540                         {
 541                                 pse->age++;
 542                                 pse_prev = pse;
 543                                 pse = pse->next;
 544                         }
 545                 } /* while (pse != NULL) */
 546         } /* for (ps = list_head_g; ps != NULL; ps = ps->next) */
 547 }
 548
 549 /* put all pre-defined 'Process' names from config to list_head_g tree */
 550 static int ps_config (oconfig_item_t *ci)
 551 {
 552         int i;
 553
 554 #if KERNEL_LINUX
 555         const size_t max_procname_len = 15;
 556 #elif KERNEL_SOLARIS || KERNEL_FREEBSD
 557         const size_t max_procname_len = MAXCOMLEN -1;
 558 #endif
 559
 560         for (i = 0; i < ci->children_num; ++i) {
 561                 oconfig_item_t *c = ci->children + i;
 562
 563                 if (strcasecmp (c->key, "Process") == 0)
 564                 {
 565                         if ((c->values_num != 1)
 566                                         || (OCONFIG_TYPE_STRING != c->values[0].type)) {
 567                                 ERROR ("processes plugin: `Process' expects exactly "
 568                                                 "one string argument (got %i).",
 569                                                 c->values_num);
 570                                 continue;
 571                         }
 572
 573                         if (c->children_num != 0) {
 574                                 WARNING ("processes plugin: the `Process' config option "
 575                                                 "does not expect any child elements -- ignoring "
 576                                                 "content (%i elements) of the <Process '%s'> block.",
 577                                                 c->children_num, c->values[0].value.string);
 578                         }
 579
 580 #if KERNEL_LINUX || KERNEL_SOLARIS || KERNEL_FREEBSD
 581                         if (strlen (c->values[0].value.string) > max_procname_len) {
 582                                 WARNING ("processes plugin: this platform has a %zu character limit "
 583                                                 "to process names. The `Process \"%s\"' option will "
 584                                                 "not work as expected.",
 585                                                 max_procname_len, c->values[0].value.string);
 586                         }
 587 #endif
 588
 589                         ps_list_register (c->values[0].value.string, NULL);
 590                 }
 591                 else if (strcasecmp (c->key, "ProcessMatch") == 0)
 592                 {
 593                         if ((c->values_num != 2)
 594                                         || (OCONFIG_TYPE_STRING != c->values[0].type)
 595                                         || (OCONFIG_TYPE_STRING != c->values[1].type))
 596                         {
 597                                 ERROR ("processes plugin: `ProcessMatch' needs exactly "
 598                                                 "two string arguments (got %i).",
 599                                                 c->values_num);
 600                                 continue;
 601                         }
 602
 603                         if (c->children_num != 0) {
 604                                 WARNING ("processes plugin: the `ProcessMatch' config option "
 605                                                 "does not expect any child elements -- ignoring "
 606                                                 "content (%i elements) of the <ProcessMatch '%s' '%s'> "
 607                                                 "block.", c->children_num, c->values[0].value.string,
 608                                                 c->values[1].value.string);
 609                         }
 610
 611                         ps_list_register (c->values[0].value.string,
 612                                         c->values[1].value.string);
 613                 }
 614                 else
 615                 {
 616                         ERROR ("processes plugin: The `%s' configuration option is not "
 617                                         "understood and will be ignored.", c->key);
 618                         continue;
 619                 }
 620         }
 621
 622         return (0);
 623 }
 624
 625 static int ps_init (void)
 626 {
 627 #if HAVE_THREAD_INFO
 628         kern_return_t status;
 629
 630         port_host_self = mach_host_self ();
 631         port_task_self = mach_task_self ();
 632
 633         if (pset_list != NULL)
 634         {
 635                 vm_deallocate (port_task_self,
 636                                 (vm_address_t) pset_list,
 637                                 pset_list_len * sizeof (processor_set_t));
 638                 pset_list = NULL;
 639                 pset_list_len = 0;
 640         }
 641
 642         if ((status = host_processor_sets (port_host_self,
 643                                         &pset_list,
 644                                         &pset_list_len)) != KERN_SUCCESS)
 645         {
 646                 ERROR ("host_processor_sets failed: %s\n",
 647                                 mach_error_string (status));
 648                 pset_list = NULL;
 649                 pset_list_len = 0;
 650                 return (-1);
 651         }
 652 /* #endif HAVE_THREAD_INFO */
 653
 654 #elif KERNEL_LINUX
 655         pagesize_g = sysconf(_SC_PAGESIZE);
 656         DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
 657                         pagesize_g, CONFIG_HZ);
 658 /* #endif KERNEL_LINUX */
 659
 660 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
 661         pagesize = getpagesize();
 662 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
 663
 664 #elif HAVE_PROCINFO_H
 665         pagesize = getpagesize();
 666 #endif /* HAVE_PROCINFO_H */
 667
 668         return (0);
 669 } /* int ps_init */
 670
 671 /* submit global state (e.g.: qty of zombies, running, etc..) */
 672 static void ps_submit_state (const char *state, double value)
 673 {
 674         value_t values[1];
 675         value_list_t vl = VALUE_LIST_INIT;
 676
 677         values[0].gauge = value;
 678
 679         vl.values = values;
 680         vl.values_len = 1;
 681         sstrncpy (vl.host, hostname_g, sizeof (vl.host));
 682         sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
 683         sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
 684         sstrncpy (vl.type, "ps_state", sizeof (vl.type));
 685         sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
 686
 687         plugin_dispatch_values (&vl);
 688 }
 689
 690 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
 691 static void ps_submit_proc_list (procstat_t *ps)
 692 {
 693         value_t values[2];
 694         value_list_t vl = VALUE_LIST_INIT;
 695
 696         vl.values = values;
 697         vl.values_len = 2;
 698         sstrncpy (vl.host, hostname_g, sizeof (vl.host));
 699         sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
 700         sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
 701
 702         sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
 703         vl.values[0].gauge = ps->vmem_size;
 704         vl.values_len = 1;
 705         plugin_dispatch_values (&vl);
 706
 707         sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
 708         vl.values[0].gauge = ps->vmem_rss;
 709         vl.values_len = 1;
 710         plugin_dispatch_values (&vl);
 711
 712         sstrncpy (vl.type, "ps_data", sizeof (vl.type));
 713         vl.values[0].gauge = ps->vmem_data;
 714         vl.values_len = 1;
 715         plugin_dispatch_values (&vl);
 716
 717         sstrncpy (vl.type, "ps_code", sizeof (vl.type));
 718         vl.values[0].gauge = ps->vmem_code;
 719         vl.values_len = 1;
 720         plugin_dispatch_values (&vl);
 721
 722         sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
 723         vl.values[0].gauge = ps->stack_size;
 724         vl.values_len = 1;
 725         plugin_dispatch_values (&vl);
 726
 727         sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
 728         vl.values[0].derive = ps->cpu_user_counter;
 729         vl.values[1].derive = ps->cpu_system_counter;
 730         vl.values_len = 2;
 731         plugin_dispatch_values (&vl);
 732
 733         sstrncpy (vl.type, "ps_count", sizeof (vl.type));
 734         vl.values[0].gauge = ps->num_proc;
 735         vl.values[1].gauge = ps->num_lwp;
 736         vl.values_len = 2;
 737         plugin_dispatch_values (&vl);
 738
 739         sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
 740         vl.values[0].derive = ps->vmem_minflt_counter;
 741         vl.values[1].derive = ps->vmem_majflt_counter;
 742         vl.values_len = 2;
 743         plugin_dispatch_values (&vl);
 744
 745         if ( (ps->io_rchar != -1) && (ps->io_wchar != -1) )
 746         {
 747                 sstrncpy (vl.type, "ps_disk_octets", sizeof (vl.type));
 748                 vl.values[0].derive = ps->io_rchar;
 749                 vl.values[1].derive = ps->io_wchar;
 750                 vl.values_len = 2;
 751                 plugin_dispatch_values (&vl);
 752         }
 753
 754         if ( (ps->io_syscr != -1) && (ps->io_syscw != -1) )
 755         {
 756                 sstrncpy (vl.type, "ps_disk_ops", sizeof (vl.type));
 757                 vl.values[0].derive = ps->io_syscr;
 758                 vl.values[1].derive = ps->io_syscw;
 759                 vl.values_len = 2;
 760                 plugin_dispatch_values (&vl);
 761         }
 762
 763         DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
 764                         "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
 765                         "vmem_code = %lu; "
 766                         "vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
 767                         "cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
 768                         "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
 769                         "io_syscr = %"PRIi64"; io_syscw = %"PRIi64";",
 770                         ps->name, ps->num_proc, ps->num_lwp,
 771                         ps->vmem_size, ps->vmem_rss,
 772                         ps->vmem_data, ps->vmem_code,
 773                         ps->vmem_minflt_counter, ps->vmem_majflt_counter,
 774                         ps->cpu_user_counter, ps->cpu_system_counter,
 775                         ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw);
 776 } /* void ps_submit_proc_list */
 777
 778 #if KERNEL_LINUX || KERNEL_SOLARIS
 779 static void ps_submit_fork_rate (derive_t value)
 780 {
 781         value_t values[1];
 782         value_list_t vl = VALUE_LIST_INIT;
 783
 784         values[0].derive = value;
 785
 786         vl.values = values;
 787         vl.values_len = 1;
 788         sstrncpy(vl.host, hostname_g, sizeof (vl.host));
 789         sstrncpy(vl.plugin, "processes", sizeof (vl.plugin));
 790         sstrncpy(vl.plugin_instance, "", sizeof (vl.plugin_instance));
 791         sstrncpy(vl.type, "fork_rate", sizeof (vl.type));
 792         sstrncpy(vl.type_instance, "", sizeof (vl.type_instance));
 793
 794         plugin_dispatch_values(&vl);
 795 }
 796 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
 797
 798 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
 799 #if KERNEL_LINUX
 800 static int ps_read_tasks (long pid)
 801 {
 802         char           dirname[64];
 803         DIR           *dh;
 804         struct dirent *ent;
 805         int count = 0;
 806
 807         ssnprintf (dirname, sizeof (dirname), "/proc/%li/task", pid);
 808
 809         if ((dh = opendir (dirname)) == NULL)
 810         {
 811                 DEBUG ("Failed to open directory `%s'", dirname);
 812                 return (-1);
 813         }
 814
 815         while ((ent = readdir (dh)) != NULL)
 816         {
 817                 if (!isdigit ((int) ent->d_name[0]))
 818                         continue;
 819                 else
 820                         count++;
 821         }
 822         closedir (dh);
 823
 824         return ((count >= 1) ? count : 1);
 825 } /* int *ps_read_tasks */
 826
 827 /* Read advanced virtual memory data from /proc/pid/status */
 828 static procstat_t *ps_read_vmem (long pid, procstat_t *ps)
 829 {
 830         FILE *fh;
 831         char buffer[1024];
 832         char filename[64];
 833         unsigned long long lib = 0;
 834         unsigned long long exe = 0;
 835         unsigned long long data = 0;
 836         char *fields[8];
 837         int numfields;
 838
 839         ssnprintf (filename, sizeof (filename), "/proc/%li/status", pid);
 840         if ((fh = fopen (filename, "r")) == NULL)
 841                 return (NULL);
 842
 843         while (fgets (buffer, sizeof(buffer), fh) != NULL)
 844         {
 845                 long long tmp;
 846                 char *endptr;
 847
 848                 if (strncmp (buffer, "Vm", 2) != 0)
 849                         continue;
 850
 851                 numfields = strsplit (buffer, fields,
 852                                 STATIC_ARRAY_SIZE (fields));
 853
 854                 if (numfields < 2)
 855                         continue;
 856
 857                 errno = 0;
 858                 endptr = NULL;
 859                 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
 860                 if ((errno == 0) && (endptr != fields[1]))
 861                 {
 862                         if (strncmp (buffer, "VmData", 6) == 0)
 863                         {
 864                                 data = tmp;
 865                         }
 866                         else if (strncmp (buffer, "VmLib", 5) == 0)
 867                         {
 868                                 lib = tmp;
 869                         }
 870                         else if  (strncmp(buffer, "VmExe", 5) == 0)
 871                         {
 872                                 exe = tmp;
 873                         }
 874                 }
 875         } /* while (fgets) */
 876
 877         if (fclose (fh))
 878         {
 879                 char errbuf[1024];
 880                 WARNING ("processes: fclose: %s",
 881                                 sstrerror (errno, errbuf, sizeof (errbuf)));
 882         }
 883
 884         ps->vmem_data = data * 1024;
 885         ps->vmem_code = (exe + lib) * 1024;
 886
 887         return (ps);
 888 } /* procstat_t *ps_read_vmem */
 889
 890 static procstat_t *ps_read_io (long pid, procstat_t *ps)
 891 {
 892         FILE *fh;
 893         char buffer[1024];
 894         char filename[64];
 895
 896         char *fields[8];
 897         int numfields;
 898
 899         ssnprintf (filename, sizeof (filename), "/proc/%li/io", pid);
 900         if ((fh = fopen (filename, "r")) == NULL)
 901                 return (NULL);
 902
 903         while (fgets (buffer, sizeof (buffer), fh) != NULL)
 904         {
 905                 derive_t *val = NULL;
 906                 long long tmp;
 907                 char *endptr;
 908
 909                 if (strncasecmp (buffer, "rchar:", 6) == 0)
 910                         val = &(ps->io_rchar);
 911                 else if (strncasecmp (buffer, "wchar:", 6) == 0)
 912                         val = &(ps->io_wchar);
 913                 else if (strncasecmp (buffer, "syscr:", 6) == 0)
 914                         val = &(ps->io_syscr);
 915                 else if (strncasecmp (buffer, "syscw:", 6) == 0)
 916                         val = &(ps->io_syscw);
 917                 else
 918                         continue;
 919
 920                 numfields = strsplit (buffer, fields,
 921                                 STATIC_ARRAY_SIZE (fields));
 922
 923                 if (numfields < 2)
 924                         continue;
 925
 926                 errno = 0;
 927                 endptr = NULL;
 928                 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
 929                 if ((errno != 0) || (endptr == fields[1]))
 930                         *val = -1;
 931                 else
 932                         *val = (derive_t) tmp;
 933         } /* while (fgets) */
 934
 935         if (fclose (fh))
 936         {
 937                 char errbuf[1024];
 938                 WARNING ("processes: fclose: %s",
 939                                 sstrerror (errno, errbuf, sizeof (errbuf)));
 940         }
 941
 942         return (ps);
 943 } /* procstat_t *ps_read_io */
 944
 945 static int ps_read_process (long pid, procstat_t *ps, char *state)
 946 {
 947         char  filename[64];
 948         char  buffer[1024];
 949
 950         char *fields[64];
 951         char  fields_len;
 952
 953         int   buffer_len;
 954
 955         char *buffer_ptr;
 956         size_t name_start_pos;
 957         size_t name_end_pos;
 958         size_t name_len;
 959
 960         derive_t cpu_user_counter;
 961         derive_t cpu_system_counter;
 962         long long unsigned vmem_size;
 963         long long unsigned vmem_rss;
 964         long long unsigned stack_size;
 965
 966         memset (ps, 0, sizeof (procstat_t));
 967
 968         ssnprintf (filename, sizeof (filename), "/proc/%li/stat", pid);
 969
 970         buffer_len = read_file_contents (filename,
 971                         buffer, sizeof(buffer) - 1);
 972         if (buffer_len <= 0)
 973                 return (-1);
 974         buffer[buffer_len] = 0;
 975
 976         /* The name of the process is enclosed in parens. Since the name can
 977          * contain parens itself, spaces, numbers and pretty much everything
 978          * else, use these to determine the process name. We don't use
 979          * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
 980          * otherwise be required to determine name_len. */
 981         name_start_pos = 0;
 982         while ((buffer[name_start_pos] != '(')
 983                         && (name_start_pos < buffer_len))
 984                 name_start_pos++;
 985
 986         name_end_pos = buffer_len;
 987         while ((buffer[name_end_pos] != ')')
 988                         && (name_end_pos > 0))
 989                 name_end_pos--;
 990
 991         /* Either '(' or ')' is not found or they are in the wrong order.
 992          * Anyway, something weird that shouldn't happen ever. */
 993         if (name_start_pos >= name_end_pos)
 994         {
 995                 ERROR ("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
 996                                 name_start_pos, name_end_pos);
 997                 return (-1);
 998         }
 999
1000         name_len = (name_end_pos - name_start_pos) - 1;
1001         if (name_len >= sizeof (ps->name))
1002                 name_len = sizeof (ps->name) - 1;
1003
1004         sstrncpy (ps->name, &buffer[name_start_pos + 1], name_len + 1);
1005
1006         if ((buffer_len - name_end_pos) < 2)
1007                 return (-1);
1008         buffer_ptr = &buffer[name_end_pos + 2];
1009
1010         fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
1011         if (fields_len < 22)
1012         {
1013                 DEBUG ("processes plugin: ps_read_process (pid = %li):"
1014                                 " `%s' has only %i fields..",
1015                                 pid, filename, fields_len);
1016                 return (-1);
1017         }
1018
1019         *state = fields[0][0];
1020
1021         if (*state == 'Z')
1022         {
1023                 ps->num_lwp  = 0;
1024                 ps->num_proc = 0;
1025         }
1026         else
1027         {
1028                 if ( (ps->num_lwp = ps_read_tasks (pid)) == -1 )
1029                 {
1030                         /* returns -1 => kernel 2.4 */
1031                         ps->num_lwp = 1;
1032                 }
1033                 ps->num_proc = 1;
1034         }
1035
1036         /* Leave the rest at zero if this is only a zombi */
1037         if (ps->num_proc == 0)
1038         {
1039                 DEBUG ("processes plugin: This is only a zombie: pid = %li; "
1040                                 "name = %s;", pid, ps->name);
1041                 return (0);
1042         }
1043
1044         cpu_user_counter   = atoll (fields[11]);
1045         cpu_system_counter = atoll (fields[12]);
1046         vmem_size          = atoll (fields[20]);
1047         vmem_rss           = atoll (fields[21]);
1048         ps->vmem_minflt_counter = atol (fields[7]);
1049         ps->vmem_majflt_counter = atol (fields[9]);
1050
1051         {
1052                 unsigned long long stack_start = atoll (fields[25]);
1053                 unsigned long long stack_ptr   = atoll (fields[26]);
1054
1055                 stack_size = (stack_start > stack_ptr)
1056                         ? stack_start - stack_ptr
1057                         : stack_ptr - stack_start;
1058         }
1059
1060         /* Convert jiffies to useconds */
1061         cpu_user_counter   = cpu_user_counter   * 1000000 / CONFIG_HZ;
1062         cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1063         vmem_rss = vmem_rss * pagesize_g;
1064
1065         if ( (ps_read_vmem(pid, ps)) == NULL)
1066         {
1067                 /* No VMem data */
1068                 ps->vmem_data = -1;
1069                 ps->vmem_code = -1;
1070                 DEBUG("ps_read_process: did not get vmem data for pid %li", pid);
1071         }
1072
1073         ps->cpu_user_counter = cpu_user_counter;
1074         ps->cpu_system_counter = cpu_system_counter;
1075         ps->vmem_size = (unsigned long) vmem_size;
1076         ps->vmem_rss = (unsigned long) vmem_rss;
1077         ps->stack_size = (unsigned long) stack_size;
1078
1079         if ( (ps_read_io (pid, ps)) == NULL)
1080         {
1081                 /* no io data */
1082                 ps->io_rchar = -1;
1083                 ps->io_wchar = -1;
1084                 ps->io_syscr = -1;
1085                 ps->io_syscw = -1;
1086
1087                 DEBUG("ps_read_process: not get io data for pid %li", pid);
1088         }
1089
1090         /* success */
1091         return (0);
1092 } /* int ps_read_process (...) */
1093
1094 static char *ps_get_cmdline (long pid, char *name, char *buf, size_t buf_len)
1095 {
1096         char  *buf_ptr;
1097         size_t len;
1098
1099         char file[PATH_MAX];
1100         int  fd;
1101
1102         size_t n;
1103
1104         if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1105                 return NULL;
1106
1107         ssnprintf (file, sizeof (file), "/proc/%li/cmdline", pid);
1108
1109         errno = 0;
1110         fd = open (file, O_RDONLY);
1111         if (fd < 0) {
1112                 char errbuf[4096];
1113                 /* ENOENT means the process exited while we were handling it.
1114                  * Don't complain about this, it only fills the logs. */
1115                 if (errno != ENOENT)
1116                         WARNING ("processes plugin: Failed to open `%s': %s.", file,
1117                                         sstrerror (errno, errbuf, sizeof (errbuf)));
1118                 return NULL;
1119         }
1120
1121         buf_ptr = buf;
1122         len     = buf_len;
1123
1124         n = 0;
1125
1126         while (42) {
1127                 ssize_t status;
1128
1129                 status = read (fd, (void *)buf_ptr, len);
1130
1131                 if (status < 0) {
1132                         char errbuf[1024];
1133
1134                         if ((EAGAIN == errno) || (EINTR == errno))
1135                                 continue;
1136
1137                         WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1138                                         sstrerror (errno, errbuf, sizeof (errbuf)));
1139                         close (fd);
1140                         return NULL;
1141                 }
1142
1143                 n += status;
1144
1145                 if (status == 0)
1146                         break;
1147
1148                 buf_ptr += status;
1149                 len     -= status;
1150
1151                 if (len <= 0)
1152                         break;
1153         }
1154
1155         close (fd);
1156
1157         if (0 == n) {
1158                 /* cmdline not available; e.g. kernel thread, zombie */
1159                 if (NULL == name)
1160                         return NULL;
1161
1162                 ssnprintf (buf, buf_len, "[%s]", name);
1163                 return buf;
1164         }
1165
1166         assert (n <= buf_len);
1167
1168         if (n == buf_len)
1169                 --n;
1170         buf[n] = '\0';
1171
1172         --n;
1173         /* remove trailing whitespace */
1174         while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1175                 buf[n] = '\0';
1176                 --n;
1177         }
1178
1179         /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1180         while (n > 0) {
1181                 if ('\0' == buf[n])
1182                         buf[n] = ' ';
1183                 --n;
1184         }
1185         return buf;
1186 } /* char *ps_get_cmdline (...) */
1187
1188 static int read_fork_rate (void)
1189 {
1190         FILE *proc_stat;
1191         char buffer[1024];
1192         value_t value;
1193         _Bool value_valid = 0;
1194
1195         proc_stat = fopen ("/proc/stat", "r");
1196         if (proc_stat == NULL)
1197         {
1198                 char errbuf[1024];
1199                 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1200                                 sstrerror (errno, errbuf, sizeof (errbuf)));
1201                 return (-1);
1202         }
1203
1204         while (fgets (buffer, sizeof (buffer), proc_stat) != NULL)
1205         {
1206                 int status;
1207                 char *fields[3];
1208                 int fields_num;
1209
1210                 fields_num = strsplit (buffer, fields,
1211                                 STATIC_ARRAY_SIZE (fields));
1212                 if (fields_num != 2)
1213                         continue;
1214
1215                 if (strcmp ("processes", fields[0]) != 0)
1216                         continue;
1217
1218                 status = parse_value (fields[1], &value, DS_TYPE_DERIVE);
1219                 if (status == 0)
1220                         value_valid = 1;
1221
1222                 break;
1223         }
1224         fclose(proc_stat);
1225
1226         if (!value_valid)
1227                 return (-1);
1228
1229         ps_submit_fork_rate (value.derive);
1230         return (0);
1231 }
1232 #endif /*KERNEL_LINUX */
1233
1234 #if KERNEL_SOLARIS
1235 static char *ps_get_cmdline (long pid, char *name __attribute__((unused)), /* {{{ */
1236     char *buffer, size_t buffer_size)
1237 {
1238         char path[PATH_MAX];
1239         psinfo_t info;
1240         int status;
1241
1242         snprintf(path, sizeof (path), "/proc/%li/psinfo", pid);
1243
1244         status = read_file_contents (path, (void *) &info, sizeof (info));
1245         if (status != sizeof (info))
1246         {
1247                 ERROR ("processes plugin: Unexpected return value "
1248                                 "while reading \"%s\": "
1249                                 "Returned %i but expected %zu.",
1250                                 path, status, buffer_size);
1251                 return (NULL);
1252         }
1253
1254         info.pr_psargs[sizeof (info.pr_psargs) - 1] = 0;
1255         sstrncpy (buffer, info.pr_psargs, buffer_size);
1256
1257         return (buffer);
1258 } /* }}} int ps_get_cmdline */
1259
1260 /*
1261  * Reads process information on the Solaris OS. The information comes mainly from
1262  * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1263  * The values for input and ouput chars are calculated "by hand"
1264  * Added a few "solaris" specific process states as well
1265  */
1266 static int ps_read_process(long pid, procstat_t *ps, char *state)
1267 {
1268         char filename[64];
1269         char f_psinfo[64], f_usage[64];
1270         char *buffer;
1271
1272         pstatus_t *myStatus;
1273         psinfo_t *myInfo;
1274         prusage_t *myUsage;
1275
1276         snprintf(filename, sizeof (filename), "/proc/%li/status", pid);
1277         snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%li/psinfo", pid);
1278         snprintf(f_usage, sizeof (f_usage), "/proc/%li/usage", pid);
1279
1280
1281         buffer = malloc(sizeof (pstatus_t));
1282         memset(buffer, 0, sizeof (pstatus_t));
1283         read_file_contents(filename, buffer, sizeof (pstatus_t));
1284         myStatus = (pstatus_t *) buffer;
1285
1286         buffer = malloc(sizeof (psinfo_t));
1287         memset(buffer, 0, sizeof(psinfo_t));
1288         read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1289         myInfo = (psinfo_t *) buffer;
1290
1291         buffer = malloc(sizeof (prusage_t));
1292         memset(buffer, 0, sizeof(prusage_t));
1293         read_file_contents(f_usage, buffer, sizeof (prusage_t));
1294         myUsage = (prusage_t *) buffer;
1295
1296         sstrncpy(ps->name, myInfo->pr_fname, sizeof (myInfo->pr_fname));
1297         ps->num_lwp = myStatus->pr_nlwp;
1298         if (myInfo->pr_wstat != 0) {
1299                 ps->num_proc = 0;
1300                 ps->num_lwp = 0;
1301                 *state = (char) 'Z';
1302
1303                 sfree(myStatus);
1304                 sfree(myInfo);
1305                 sfree(myUsage);
1306                 return (0);
1307         } else {
1308                 ps->num_proc = 1;
1309                 ps->num_lwp = myInfo->pr_nlwp;
1310         }
1311
1312         /*
1313          * Convert system time and user time from nanoseconds to microseconds
1314          * for compatibility with the linux module
1315          */
1316         ps->cpu_system_counter = myStatus -> pr_stime.tv_nsec / 1000;
1317         ps->cpu_user_counter = myStatus -> pr_utime.tv_nsec / 1000;
1318
1319         /*
1320          * Convert rssize from KB to bytes to be consistent w/ the linux module
1321          */
1322         ps->vmem_rss = myInfo->pr_rssize * 1024;
1323         ps->vmem_size = myInfo->pr_size * 1024;
1324         ps->vmem_minflt_counter = myUsage->pr_minf;
1325         ps->vmem_majflt_counter = myUsage->pr_majf;
1326
1327         /*
1328          * TODO: Data and code segment calculations for Solaris
1329          */
1330
1331         ps->vmem_data = -1;
1332         ps->vmem_code = -1;
1333         ps->stack_size = myStatus->pr_stksize;
1334
1335         /*
1336          * Calculating input/ouput chars
1337          * Formula used is total chars / total blocks => chars/block
1338          * then convert input/output blocks to chars
1339          */
1340         ulong_t tot_chars = myUsage->pr_ioch;
1341         ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1342         ulong_t chars_per_block = 1;
1343         if (tot_blocks != 0)
1344                 chars_per_block = tot_chars / tot_blocks;
1345         ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1346         ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1347         ps->io_syscr = myUsage->pr_sysc;
1348         ps->io_syscw = myUsage->pr_sysc;
1349
1350
1351         /*
1352          * TODO: Find way of setting BLOCKED and PAGING status
1353          */
1354
1355         *state = (char) 'R';
1356         if (myStatus->pr_flags & PR_ASLEEP)
1357                 *state = (char) 'S';
1358         else if (myStatus->pr_flags & PR_STOPPED)
1359                 *state = (char) 'T';
1360         else if (myStatus->pr_flags & PR_DETACH)
1361                 *state = (char) 'E';
1362         else if (myStatus->pr_flags & PR_DAEMON)
1363                 *state = (char) 'A';
1364         else if (myStatus->pr_flags & PR_ISSYS)
1365                 *state = (char) 'Y';
1366         else if (myStatus->pr_flags & PR_ORPHAN)
1367                 *state = (char) 'O';
1368
1369         sfree(myStatus);
1370         sfree(myInfo);
1371         sfree(myUsage);
1372
1373         return (0);
1374 }
1375
1376 /*
1377  * Reads the number of threads created since the last reboot. On Solaris these
1378  * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1379  * The result is the sum for all the threads created on each cpu
1380  */
1381 static int read_fork_rate()
1382 {
1383         extern kstat_ctl_t *kc;
1384         kstat_t *ksp_chain = NULL;
1385         derive_t result = 0;
1386
1387         if (kc == NULL)
1388                 return (-1);
1389
1390         for (ksp_chain = kc->kc_chain;
1391                         ksp_chain != NULL;
1392                         ksp_chain = ksp_chain->ks_next)
1393         {
1394                 if ((strcmp (ksp_chain->ks_module, "cpu") == 0)
1395                                 && (strcmp (ksp_chain->ks_name, "sys") == 0)
1396                                 && (strcmp (ksp_chain->ks_class, "misc") == 0))
1397                 {
1398                         long long tmp;
1399
1400                         kstat_read (kc, ksp_chain, NULL);
1401
1402                         tmp = get_kstat_value(ksp_chain, "nthreads");
1403                         if (tmp != -1LL)
1404                                 result += tmp;
1405                 }
1406         }
1407
1408         ps_submit_fork_rate (result);
1409         return (0);
1410 }
1411 #endif /* KERNEL_SOLARIS */
1412
1413 #if HAVE_THREAD_INFO
1414 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1415 {
1416         int mib[4];
1417
1418         struct kinfo_proc kp;
1419         size_t            kp_size;
1420
1421         mib[0] = CTL_KERN;
1422         mib[1] = KERN_PROC;
1423         mib[2] = KERN_PROC_PID;
1424
1425         if (pid_for_task (t, pid) != KERN_SUCCESS)
1426                 return (-1);
1427         mib[3] = *pid;
1428
1429         kp_size = sizeof (kp);
1430         if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1431                 return (-1);
1432
1433         if (name_max_len > (MAXCOMLEN + 1))
1434                 name_max_len = MAXCOMLEN + 1;
1435
1436         strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1437         name[name_max_len - 1] = '\0';
1438
1439         DEBUG ("pid = %i; name = %s;", *pid, name);
1440
1441         /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1442          * `top' does it, because it is a lot of work and only used when
1443          * debugging. -octo */
1444
1445         return (0);
1446 }
1447 #endif /* HAVE_THREAD_INFO */
1448 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1449
1450 /* do actual readings from kernel */
1451 static int ps_read (void)
1452 {
1453 #if HAVE_THREAD_INFO
1454         kern_return_t            status;
1455
1456         int                      pset;
1457         processor_set_t          port_pset_priv;
1458
1459         int                      task;
1460         task_array_t             task_list;
1461         mach_msg_type_number_t   task_list_len;
1462
1463         int                      task_pid;
1464         char                     task_name[MAXCOMLEN + 1];
1465
1466         int                      thread;
1467         thread_act_array_t       thread_list;
1468         mach_msg_type_number_t   thread_list_len;
1469         thread_basic_info_data_t thread_data;
1470         mach_msg_type_number_t   thread_data_len;
1471
1472         int running  = 0;
1473         int sleeping = 0;
1474         int zombies  = 0;
1475         int stopped  = 0;
1476         int blocked  = 0;
1477
1478         procstat_t *ps;
1479         procstat_entry_t pse;
1480
1481         ps_list_reset ();
1482
1483         /*
1484          * The Mach-concept is a little different from the traditional UNIX
1485          * concept: All the work is done in threads. Threads are contained in
1486          * `tasks'. Therefore, `task status' doesn't make much sense, since
1487          * it's actually a `thread status'.
1488          * Tasks are assigned to sets of processors, so that's where you go to
1489          * get a list.
1490          */
1491         for (pset = 0; pset < pset_list_len; pset++)
1492         {
1493                 if ((status = host_processor_set_priv (port_host_self,
1494                                                 pset_list[pset],
1495                                                 &port_pset_priv)) != KERN_SUCCESS)
1496                 {
1497                         ERROR ("host_processor_set_priv failed: %s\n",
1498                                         mach_error_string (status));
1499                         continue;
1500                 }
1501
1502                 if ((status = processor_set_tasks (port_pset_priv,
1503                                                 &task_list,
1504                                                 &task_list_len)) != KERN_SUCCESS)
1505                 {
1506                         ERROR ("processor_set_tasks failed: %s\n",
1507                                         mach_error_string (status));
1508                         mach_port_deallocate (port_task_self, port_pset_priv);
1509                         continue;
1510                 }
1511
1512                 for (task = 0; task < task_list_len; task++)
1513                 {
1514                         ps = NULL;
1515                         if (mach_get_task_name (task_list[task],
1516                                                 &task_pid,
1517                                                 task_name, PROCSTAT_NAME_LEN) == 0)
1518                         {
1519                                 /* search for at least one match */
1520                                 for (ps = list_head_g; ps != NULL; ps = ps->next)
1521                                         /* FIXME: cmdline should be here instead of NULL */
1522                                         if (ps_list_match (task_name, NULL, ps) == 1)
1523                                                 break;
1524                         }
1525
1526                         /* Collect more detailed statistics for this process */
1527                         if (ps != NULL)
1528                         {
1529                                 task_basic_info_data_t        task_basic_info;
1530                                 mach_msg_type_number_t        task_basic_info_len;
1531                                 task_events_info_data_t       task_events_info;
1532                                 mach_msg_type_number_t        task_events_info_len;
1533                                 task_absolutetime_info_data_t task_absolutetime_info;
1534                                 mach_msg_type_number_t        task_absolutetime_info_len;
1535
1536                                 memset (&pse, '\0', sizeof (pse));
1537                                 pse.id = task_pid;
1538
1539                                 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1540                                 status = task_info (task_list[task],
1541                                                 TASK_BASIC_INFO,
1542                                                 (task_info_t) &task_basic_info,
1543                                                 &task_basic_info_len);
1544                                 if (status != KERN_SUCCESS)
1545                                 {
1546                                         ERROR ("task_info failed: %s",
1547                                                         mach_error_string (status));
1548                                         continue; /* with next thread_list */
1549                                 }
1550
1551                                 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1552                                 status = task_info (task_list[task],
1553                                                 TASK_EVENTS_INFO,
1554                                                 (task_info_t) &task_events_info,
1555                                                 &task_events_info_len);
1556                                 if (status != KERN_SUCCESS)
1557                                 {
1558                                         ERROR ("task_info failed: %s",
1559                                                         mach_error_string (status));
1560                                         continue; /* with next thread_list */
1561                                 }
1562
1563                                 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1564                                 status = task_info (task_list[task],
1565                                                 TASK_ABSOLUTETIME_INFO,
1566                                                 (task_info_t) &task_absolutetime_info,
1567                                                 &task_absolutetime_info_len);
1568                                 if (status != KERN_SUCCESS)
1569                                 {
1570                                         ERROR ("task_info failed: %s",
1571                                                         mach_error_string (status));
1572                                         continue; /* with next thread_list */
1573                                 }
1574
1575                                 pse.num_proc++;
1576                                 pse.vmem_size = task_basic_info.virtual_size;
1577                                 pse.vmem_rss = task_basic_info.resident_size;
1578                                 /* Does not seem to be easily exposed */
1579                                 pse.vmem_data = 0;
1580                                 pse.vmem_code = 0;
1581
1582                                 pse.vmem_minflt_counter = task_events_info.cow_faults;
1583                                 pse.vmem_majflt_counter = task_events_info.faults;
1584
1585                                 pse.cpu_user_counter = task_absolutetime_info.total_user;
1586                                 pse.cpu_system_counter = task_absolutetime_info.total_system;
1587                         }
1588
1589                         status = task_threads (task_list[task], &thread_list,
1590                                         &thread_list_len);
1591                         if (status != KERN_SUCCESS)
1592                         {
1593                                 /* Apple's `top' treats this case a zombie. It
1594                                  * makes sense to some extend: A `zombie'
1595                                  * thread is nonsense, since the task/process
1596                                  * is dead. */
1597                                 zombies++;
1598                                 DEBUG ("task_threads failed: %s",
1599                                                 mach_error_string (status));
1600                                 if (task_list[task] != port_task_self)
1601                                         mach_port_deallocate (port_task_self,
1602                                                         task_list[task]);
1603                                 continue; /* with next task_list */
1604                         }
1605
1606                         for (thread = 0; thread < thread_list_len; thread++)
1607                         {
1608                                 thread_data_len = THREAD_BASIC_INFO_COUNT;
1609                                 status = thread_info (thread_list[thread],
1610                                                 THREAD_BASIC_INFO,
1611                                                 (thread_info_t) &thread_data,
1612                                                 &thread_data_len);
1613                                 if (status != KERN_SUCCESS)
1614                                 {
1615                                         ERROR ("thread_info failed: %s",
1616                                                         mach_error_string (status));
1617                                         if (task_list[task] != port_task_self)
1618                                                 mach_port_deallocate (port_task_self,
1619                                                                 thread_list[thread]);
1620                                         continue; /* with next thread_list */
1621                                 }
1622
1623                                 if (ps != NULL)
1624                                         pse.num_lwp++;
1625
1626                                 switch (thread_data.run_state)
1627                                 {
1628                                         case TH_STATE_RUNNING:
1629                                                 running++;
1630                                                 break;
1631                                         case TH_STATE_STOPPED:
1632                                         /* What exactly is `halted'? */
1633                                         case TH_STATE_HALTED:
1634                                                 stopped++;
1635                                                 break;
1636                                         case TH_STATE_WAITING:
1637                                                 sleeping++;
1638                                                 break;
1639                                         case TH_STATE_UNINTERRUPTIBLE:
1640                                                 blocked++;
1641                                                 break;
1642                                         /* There is no `zombie' case here,
1643                                          * since there are no zombie-threads.
1644                                          * There's only zombie tasks, which are
1645                                          * handled above. */
1646                                         default:
1647                                                 WARNING ("Unknown thread status: %i",
1648                                                                 thread_data.run_state);
1649                                                 break;
1650                                 } /* switch (thread_data.run_state) */
1651
1652                                 if (task_list[task] != port_task_self)
1653                                 {
1654                                         status = mach_port_deallocate (port_task_self,
1655                                                         thread_list[thread]);
1656                                         if (status != KERN_SUCCESS)
1657                                                 ERROR ("mach_port_deallocate failed: %s",
1658                                                                 mach_error_string (status));
1659                                 }
1660                         } /* for (thread_list) */
1661
1662                         if ((status = vm_deallocate (port_task_self,
1663                                                         (vm_address_t) thread_list,
1664                                                         thread_list_len * sizeof (thread_act_t)))
1665                                         != KERN_SUCCESS)
1666                         {
1667                                 ERROR ("vm_deallocate failed: %s",
1668                                                 mach_error_string (status));
1669                         }
1670                         thread_list = NULL;
1671                         thread_list_len = 0;
1672
1673                         /* Only deallocate the task port, if it isn't our own.
1674                          * Don't know what would happen in that case, but this
1675                          * is what Apple's top does.. ;) */
1676                         if (task_list[task] != port_task_self)
1677                         {
1678                                 status = mach_port_deallocate (port_task_self,
1679                                                 task_list[task]);
1680                                 if (status != KERN_SUCCESS)
1681                                         ERROR ("mach_port_deallocate failed: %s",
1682                                                         mach_error_string (status));
1683                         }
1684
1685                         if (ps != NULL)
1686                                 /* FIXME: cmdline should be here instead of NULL */
1687                                 ps_list_add (task_name, NULL, &pse);
1688                 } /* for (task_list) */
1689
1690                 if ((status = vm_deallocate (port_task_self,
1691                                 (vm_address_t) task_list,
1692                                 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1693                 {
1694                         ERROR ("vm_deallocate failed: %s",
1695                                         mach_error_string (status));
1696                 }
1697                 task_list = NULL;
1698                 task_list_len = 0;
1699
1700                 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1701                                 != KERN_SUCCESS)
1702                 {
1703                         ERROR ("mach_port_deallocate failed: %s",
1704                                         mach_error_string (status));
1705                 }
1706         } /* for (pset_list) */
1707
1708         ps_submit_state ("running", running);
1709         ps_submit_state ("sleeping", sleeping);
1710         ps_submit_state ("zombies", zombies);
1711         ps_submit_state ("stopped", stopped);
1712         ps_submit_state ("blocked", blocked);
1713
1714         for (ps = list_head_g; ps != NULL; ps = ps->next)
1715                 ps_submit_proc_list (ps);
1716 /* #endif HAVE_THREAD_INFO */
1717
1718 #elif KERNEL_LINUX
1719         int running  = 0;
1720         int sleeping = 0;
1721         int zombies  = 0;
1722         int stopped  = 0;
1723         int paging   = 0;
1724         int blocked  = 0;
1725
1726         struct dirent *ent;
1727         DIR           *proc;
1728         long           pid;
1729
1730         char cmdline[ARG_MAX];
1731
1732         int        status;
1733         procstat_t ps;
1734         procstat_entry_t pse;
1735         char       state;
1736
1737         procstat_t *ps_ptr;
1738
1739         running = sleeping = zombies = stopped = paging = blocked = 0;
1740         ps_list_reset ();
1741
1742         if ((proc = opendir ("/proc")) == NULL)
1743         {
1744                 char errbuf[1024];
1745                 ERROR ("Cannot open `/proc': %s",
1746                                 sstrerror (errno, errbuf, sizeof (errbuf)));
1747                 return (-1);
1748         }
1749
1750         while ((ent = readdir (proc)) != NULL)
1751         {
1752                 if (!isdigit (ent->d_name[0]))
1753                         continue;
1754
1755                 if ((pid = atol (ent->d_name)) < 1)
1756                         continue;
1757
1758                 status = ps_read_process (pid, &ps, &state);
1759                 if (status != 0)
1760                 {
1761                         DEBUG ("ps_read_process failed: %i", status);
1762                         continue;
1763                 }
1764
1765                 pse.id       = pid;
1766                 pse.age      = 0;
1767
1768                 pse.num_proc   = ps.num_proc;
1769                 pse.num_lwp    = ps.num_lwp;
1770                 pse.vmem_size  = ps.vmem_size;
1771                 pse.vmem_rss   = ps.vmem_rss;
1772                 pse.vmem_data  = ps.vmem_data;
1773                 pse.vmem_code  = ps.vmem_code;
1774                 pse.stack_size = ps.stack_size;
1775
1776                 pse.vmem_minflt = 0;
1777                 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1778                 pse.vmem_majflt = 0;
1779                 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1780
1781                 pse.cpu_user = 0;
1782                 pse.cpu_user_counter = ps.cpu_user_counter;
1783                 pse.cpu_system = 0;
1784                 pse.cpu_system_counter = ps.cpu_system_counter;
1785
1786                 pse.io_rchar = ps.io_rchar;
1787                 pse.io_wchar = ps.io_wchar;
1788                 pse.io_syscr = ps.io_syscr;
1789                 pse.io_syscw = ps.io_syscw;
1790
1791                 switch (state)
1792                 {
1793                         case 'R': running++;  break;
1794                         case 'S': sleeping++; break;
1795                         case 'D': blocked++;  break;
1796                         case 'Z': zombies++;  break;
1797                         case 'T': stopped++;  break;
1798                         case 'W': paging++;   break;
1799                 }
1800
1801                 ps_list_add (ps.name,
1802                                 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1803                                 &pse);
1804         }
1805
1806         closedir (proc);
1807
1808         ps_submit_state ("running",  running);
1809         ps_submit_state ("sleeping", sleeping);
1810         ps_submit_state ("zombies",  zombies);
1811         ps_submit_state ("stopped",  stopped);
1812         ps_submit_state ("paging",   paging);
1813         ps_submit_state ("blocked",  blocked);
1814
1815         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1816                 ps_submit_proc_list (ps_ptr);
1817
1818         read_fork_rate();
1819 /* #endif KERNEL_LINUX */
1820
1821 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1822         int running  = 0;
1823         int sleeping = 0;
1824         int zombies  = 0;
1825         int stopped  = 0;
1826         int blocked  = 0;
1827         int idle     = 0;
1828         int wait     = 0;
1829
1830         kvm_t *kd;
1831         char errbuf[_POSIX2_LINE_MAX];
1832         struct kinfo_proc *procs;          /* array of processes */
1833         struct kinfo_proc *proc_ptr = NULL;
1834         int count;                         /* returns number of processes */
1835         int i;
1836
1837         procstat_t *ps_ptr;
1838         procstat_entry_t pse;
1839
1840         ps_list_reset ();
1841
1842         /* Open the kvm interface, get a descriptor */
1843         kd = kvm_openfiles (NULL, "/dev/null", NULL, 0, errbuf);
1844         if (kd == NULL)
1845         {
1846                 ERROR ("processes plugin: Cannot open kvm interface: %s",
1847                                 errbuf);
1848                 return (0);
1849         }
1850
1851         /* Get the list of processes. */
1852         procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1853         if (procs == NULL)
1854         {
1855                 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1856                                 kvm_geterr(kd));
1857                 kvm_close (kd);
1858                 return (0);
1859         }
1860
1861         /* Iterate through the processes in kinfo_proc */
1862         for (i = 0; i < count; i++)
1863         {
1864                 /* Create only one process list entry per _process_, i.e.
1865                  * filter out threads (duplicate PID entries). */
1866                 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1867                 {
1868                         char cmdline[ARG_MAX] = "";
1869                         _Bool have_cmdline = 0;
1870
1871                         proc_ptr = &(procs[i]);
1872                         /* Don't probe system processes and processes without arguments */
1873                         if (((procs[i].ki_flag & P_SYSTEM) == 0)
1874                                         && (procs[i].ki_args != NULL))
1875                         {
1876                                 char **argv;
1877                                 int argc;
1878                                 int status;
1879
1880                                 /* retrieve the arguments */
1881                                 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1882                                 argc = 0;
1883                                 if ((argv != NULL) && (argv[0] != NULL))
1884                                 {
1885                                         while (argv[argc] != NULL)
1886                                                 argc++;
1887
1888                                         status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1889                                         if (status < 0)
1890                                                 WARNING ("processes plugin: Command line did not fit into buffer.");
1891                                         else
1892                                                 have_cmdline = 1;
1893                                 }
1894                         } /* if (process has argument list) */
1895
1896                         pse.id       = procs[i].ki_pid;
1897                         pse.age      = 0;
1898
1899                         pse.num_proc = 1;
1900                         pse.num_lwp  = procs[i].ki_numthreads;
1901
1902                         pse.vmem_size = procs[i].ki_size;
1903                         pse.vmem_rss = procs[i].ki_rssize * pagesize;
1904                         pse.vmem_data = procs[i].ki_dsize * pagesize;
1905                         pse.vmem_code = procs[i].ki_tsize * pagesize;
1906                         pse.stack_size = procs[i].ki_ssize * pagesize;
1907                         pse.vmem_minflt = 0;
1908                         pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1909                         pse.vmem_majflt = 0;
1910                         pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1911
1912                         pse.cpu_user = 0;
1913                         pse.cpu_system = 0;
1914                         pse.cpu_user_counter = 0;
1915                         pse.cpu_system_counter = 0;
1916                         /*
1917                          * The u-area might be swapped out, and we can't get
1918                          * at it because we have a crashdump and no swap.
1919                          * If it's here fill in these fields, otherwise, just
1920                          * leave them 0.
1921                          */
1922                         if (procs[i].ki_flag & P_INMEM)
1923                         {
1924                                 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
1925                                         + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
1926                                 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
1927                                         + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
1928                         }
1929
1930                         /* no I/O data */
1931                         pse.io_rchar = -1;
1932                         pse.io_wchar = -1;
1933                         pse.io_syscr = -1;
1934                         pse.io_syscw = -1;
1935
1936                         ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
1937
1938                         switch (procs[i].ki_stat)
1939                         {
1940                                 case SSTOP:     stopped++;      break;
1941                                 case SSLEEP:    sleeping++;     break;
1942                                 case SRUN:      running++;      break;
1943                                 case SIDL:      idle++;         break;
1944                                 case SWAIT:     wait++;         break;
1945                                 case SLOCK:     blocked++;      break;
1946                                 case SZOMB:     zombies++;      break;
1947                         }
1948                 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
1949         }
1950
1951         kvm_close(kd);
1952
1953         ps_submit_state ("running",  running);
1954         ps_submit_state ("sleeping", sleeping);
1955         ps_submit_state ("zombies",  zombies);
1956         ps_submit_state ("stopped",  stopped);
1957         ps_submit_state ("blocked",  blocked);
1958         ps_submit_state ("idle",     idle);
1959         ps_submit_state ("wait",     wait);
1960
1961         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1962                 ps_submit_proc_list (ps_ptr);
1963 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
1964
1965 #elif HAVE_PROCINFO_H
1966         /* AIX */
1967         int running  = 0;
1968         int sleeping = 0;
1969         int zombies  = 0;
1970         int stopped  = 0;
1971         int paging   = 0;
1972         int blocked  = 0;
1973
1974         pid_t pindex = 0;
1975         int nprocs;
1976
1977         procstat_t *ps;
1978         procstat_entry_t pse;
1979
1980         ps_list_reset ();
1981         while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
1982                                         /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
1983                                         &pindex, MAXPROCENTRY)) > 0)
1984         {
1985                 int i;
1986
1987                 for (i = 0; i < nprocs; i++)
1988                 {
1989                         tid64_t thindex;
1990                         int nthreads;
1991                         char arglist[MAXARGLN+1];
1992                         char *cargs;
1993                         char *cmdline;
1994
1995                         if (procentry[i].pi_state == SNONE) continue;
1996                         /* if (procentry[i].pi_state == SZOMB)  FIXME */
1997
1998                         cmdline = procentry[i].pi_comm;
1999                         cargs = procentry[i].pi_comm;
2000                         if ( procentry[i].pi_flags & SKPROC )
2001                         {
2002                                 if (procentry[i].pi_pid == 0)
2003                                         cmdline = "swapper";
2004                                 cargs = cmdline;
2005                         }
2006                         else
2007                         {
2008                                 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
2009                                 {
2010                                         int n;
2011
2012                                         n = -1;
2013                                         while (++n < MAXARGLN)
2014                                         {
2015                                                 if (arglist[n] == '\0')
2016                                                 {
2017                                                         if (arglist[n+1] == '\0')
2018                                                                 break;
2019                                                         arglist[n] = ' ';
2020                                                 }
2021                                         }
2022                                         cargs = arglist;
2023                                 }
2024                         }
2025
2026                         pse.id       = procentry[i].pi_pid;
2027                         pse.age      = 0;
2028                         pse.num_lwp  = procentry[i].pi_thcount;
2029                         pse.num_proc = 1;
2030
2031                         thindex=0;
2032                         while ((nthreads = getthrds64(procentry[i].pi_pid,
2033                                                         thrdentry, sizeof(struct thrdentry64),
2034                                                         &thindex, MAXTHRDENTRY)) > 0)
2035                         {
2036                                 int j;
2037
2038                                 for (j=0; j< nthreads; j++)
2039                                 {
2040                                         switch (thrdentry[j].ti_state)
2041                                         {
2042                                                 /* case TSNONE: break; */
2043                                                 case TSIDL:     blocked++;      break; /* FIXME is really blocked */
2044                                                 case TSRUN:     running++;      break;
2045                                                 case TSSLEEP:   sleeping++;     break;
2046                                                 case TSSWAP:    paging++;       break;
2047                                                 case TSSTOP:    stopped++;      break;
2048                                                 case TSZOMB:    zombies++;      break;
2049                                         }
2050                                 }
2051                                 if (nthreads < MAXTHRDENTRY)
2052                                         break;
2053                         }
2054
2055                         pse.cpu_user = 0;
2056                         /* tv_usec is nanosec ??? */
2057                         pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2058                                 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2059
2060                         pse.cpu_system = 0;
2061                         /* tv_usec is nanosec ??? */
2062                         pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2063                                 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2064
2065                         pse.vmem_minflt = 0;
2066                         pse.vmem_minflt_counter = procentry[i].pi_minflt;
2067                         pse.vmem_majflt = 0;
2068                         pse.vmem_majflt_counter = procentry[i].pi_majflt;
2069
2070                         pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2071                         pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2072                         /* Not supported */
2073                         pse.vmem_data = 0;
2074                         pse.vmem_code = 0;
2075                         pse.stack_size =  0;
2076
2077                         pse.io_rchar = -1;
2078                         pse.io_wchar = -1;
2079                         pse.io_syscr = -1;
2080                         pse.io_syscw = -1;
2081
2082                         ps_list_add (cmdline, cargs, &pse);
2083                 } /* for (i = 0 .. nprocs) */
2084
2085                 if (nprocs < MAXPROCENTRY)
2086                         break;
2087         } /* while (getprocs64() > 0) */
2088         ps_submit_state ("running",  running);
2089         ps_submit_state ("sleeping", sleeping);
2090         ps_submit_state ("zombies",  zombies);
2091         ps_submit_state ("stopped",  stopped);
2092         ps_submit_state ("paging",   paging);
2093         ps_submit_state ("blocked",  blocked);
2094
2095         for (ps = list_head_g; ps != NULL; ps = ps->next)
2096                 ps_submit_proc_list (ps);
2097 /* #endif HAVE_PROCINFO_H */
2098
2099 #elif KERNEL_SOLARIS
2100         /*
2101          * The Solaris section adds a few more process states and removes some
2102          * process states compared to linux. Most notably there is no "PAGING"
2103          * and "BLOCKED" state for a process.  The rest is similar to the linux
2104          * code.
2105          */
2106         int running = 0;
2107         int sleeping = 0;
2108         int zombies = 0;
2109         int stopped = 0;
2110         int detached = 0;
2111         int daemon = 0;
2112         int system = 0;
2113         int orphan = 0;
2114
2115         struct dirent *ent;
2116         DIR *proc;
2117
2118         int status;
2119         procstat_t *ps_ptr;
2120         char state;
2121
2122         char cmdline[PRARGSZ];
2123
2124         ps_list_reset ();
2125
2126         proc = opendir ("/proc");
2127         if (proc == NULL)
2128                 return (-1);
2129
2130         while ((ent = readdir(proc)) != NULL)
2131         {
2132                 long pid;
2133                 struct procstat ps;
2134                 procstat_entry_t pse;
2135                 char *endptr;
2136
2137                 if (!isdigit ((int) ent->d_name[0]))
2138                         continue;
2139
2140                 pid = strtol (ent->d_name, &endptr, 10);
2141                 if (*endptr != 0) /* value didn't completely parse as a number */
2142                         continue;
2143
2144                 status = ps_read_process (pid, &ps, &state);
2145                 if (status != 0)
2146                 {
2147                         DEBUG("ps_read_process failed: %i", status);
2148                         continue;
2149                 }
2150
2151                 pse.id = pid;
2152                 pse.age = 0;
2153
2154                 pse.num_proc   = ps.num_proc;
2155                 pse.num_lwp    = ps.num_lwp;
2156                 pse.vmem_size  = ps.vmem_size;
2157                 pse.vmem_rss   = ps.vmem_rss;
2158                 pse.vmem_data  = ps.vmem_data;
2159                 pse.vmem_code  = ps.vmem_code;
2160                 pse.stack_size = ps.stack_size;
2161
2162                 pse.vmem_minflt = 0;
2163                 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2164                 pse.vmem_majflt = 0;
2165                 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2166
2167                 pse.cpu_user = 0;
2168                 pse.cpu_user_counter = ps.cpu_user_counter;
2169                 pse.cpu_system = 0;
2170                 pse.cpu_system_counter = ps.cpu_system_counter;
2171
2172                 pse.io_rchar = ps.io_rchar;
2173                 pse.io_wchar = ps.io_wchar;
2174                 pse.io_syscr = ps.io_syscr;
2175                 pse.io_syscw = ps.io_syscw;
2176
2177                 switch (state)
2178                 {
2179                         case 'R': running++;  break;
2180                         case 'S': sleeping++; break;
2181                         case 'E': detached++; break;
2182                         case 'Z': zombies++;  break;
2183                         case 'T': stopped++;  break;
2184                         case 'A': daemon++;   break;
2185                         case 'Y': system++;   break;
2186                         case 'O': orphan++;   break;
2187                 }
2188
2189
2190                 ps_list_add (ps.name,
2191                                 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
2192                                 &pse);
2193         } /* while(readdir) */
2194         closedir (proc);
2195
2196         ps_submit_state ("running",  running);
2197         ps_submit_state ("sleeping", sleeping);
2198         ps_submit_state ("zombies",  zombies);
2199         ps_submit_state ("stopped",  stopped);
2200         ps_submit_state ("detached", detached);
2201         ps_submit_state ("daemon",   daemon);
2202         ps_submit_state ("system",   system);
2203         ps_submit_state ("orphan",   orphan);
2204
2205         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2206                 ps_submit_proc_list (ps_ptr);
2207
2208         read_fork_rate();
2209 #endif /* KERNEL_SOLARIS */
2210
2211         return (0);
2212 } /* int ps_read */
2213
2214 void module_register (void)
2215 {
2216         plugin_register_complex_config ("processes", ps_config);
2217         plugin_register_init ("processes", ps_init);
2218         plugin_register_read ("processes", ps_read);
2219 } /* void module_register */