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 collectd.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 || HAVE_STRUCT_KINFO_PROC_OPENBSD)
  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 || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
 104
 105 #elif HAVE_PROCINFO_H
 106 #  include <procinfo.h>
 107 #  include <sys/types.h>
 108
 109 #define MAXPROCENTRY 32
 110 #define MAXTHRDENTRY 16
 111 #define MAXARGLN 1024
 112 /* #endif HAVE_PROCINFO_H */
 113
 114 #elif KERNEL_SOLARIS
 115 /* Hack: Avoid #error when building a 32-bit binary with
 116  * _FILE_OFFSET_BITS=64. There is a reason for this #error, as one
 117  * of the structures in <sys/procfs.h> uses an off_t, but that
 118  * isn't relevant to our usage of procfs. */
 119 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64
 120 #  define SAVE_FOB_64
 121 #  undef _FILE_OFFSET_BITS
 122 #endif
 123
 124 # include <procfs.h>
 125
 126 #ifdef SAVE_FOB_64
 127 #  define _FILE_OFFSET_BITS 64
 128 #  undef SAVE_FOB_64
 129 #endif
 130
 131 # include <dirent.h>
 132 /* #endif KERNEL_SOLARIS */
 133
 134 #else
 135 # error "No applicable input method."
 136 #endif
 137
 138 #if HAVE_REGEX_H
 139 # include <regex.h>
 140 #endif
 141
 142 #if HAVE_KSTAT_H
 143 # include <kstat.h>
 144 #endif
 145
 146 #ifndef CMDLINE_BUFFER_SIZE
 147 # if defined(ARG_MAX) && (ARG_MAX < 4096)
 148 #  define CMDLINE_BUFFER_SIZE ARG_MAX
 149 # else
 150 #  define CMDLINE_BUFFER_SIZE 4096
 151 # endif
 152 #endif
 153
 154 typedef struct procstat_entry_s
 155 {
 156         unsigned long id;
 157         unsigned long age;
 158
 159         unsigned long num_proc;
 160         unsigned long num_lwp;
 161         unsigned long vmem_size;
 162         unsigned long vmem_rss;
 163         unsigned long vmem_data;
 164         unsigned long vmem_code;
 165         unsigned long stack_size;
 166
 167         unsigned long vmem_minflt;
 168         unsigned long vmem_majflt;
 169         derive_t      vmem_minflt_counter;
 170         derive_t      vmem_majflt_counter;
 171
 172         unsigned long cpu_user;
 173         unsigned long cpu_system;
 174         derive_t      cpu_user_counter;
 175         derive_t      cpu_system_counter;
 176
 177         /* io data */
 178         derive_t io_rchar;
 179         derive_t io_wchar;
 180         derive_t io_syscr;
 181         derive_t io_syscw;
 182
 183         struct procstat_entry_s *next;
 184 } procstat_entry_t;
 185
 186 #define PROCSTAT_NAME_LEN 256
 187 typedef struct procstat
 188 {
 189         char          name[PROCSTAT_NAME_LEN];
 190 #if HAVE_REGEX_H
 191         regex_t *re;
 192 #endif
 193
 194         unsigned long num_proc;
 195         unsigned long num_lwp;
 196         unsigned long vmem_size;
 197         unsigned long vmem_rss;
 198         unsigned long vmem_data;
 199         unsigned long vmem_code;
 200         unsigned long stack_size;
 201
 202         derive_t vmem_minflt_counter;
 203         derive_t vmem_majflt_counter;
 204
 205         derive_t cpu_user_counter;
 206         derive_t cpu_system_counter;
 207
 208         /* io data */
 209         derive_t io_rchar;
 210         derive_t io_wchar;
 211         derive_t io_syscr;
 212         derive_t io_syscw;
 213
 214         struct procstat   *next;
 215         struct procstat_entry_s *instances;
 216 } procstat_t;
 217
 218 static procstat_t *list_head_g = NULL;
 219
 220 #if HAVE_THREAD_INFO
 221 static mach_port_t port_host_self;
 222 static mach_port_t port_task_self;
 223
 224 static processor_set_name_array_t pset_list;
 225 static mach_msg_type_number_t     pset_list_len;
 226 /* #endif HAVE_THREAD_INFO */
 227
 228 #elif KERNEL_LINUX
 229 static long pagesize_g;
 230 /* #endif KERNEL_LINUX */
 231
 232 #elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
 233 static int pagesize;
 234 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
 235
 236 #elif HAVE_PROCINFO_H
 237 static  struct procentry64 procentry[MAXPROCENTRY];
 238 static  struct thrdentry64 thrdentry[MAXTHRDENTRY];
 239 static int pagesize;
 240
 241 #ifndef _AIXVERSION_610
 242 int     getprocs64 (void *procsinfo, int sizproc, void *fdsinfo, int sizfd, pid_t *index, int count);
 243 int     getthrds64( pid_t, void *, int, tid64_t *, int );
 244 #endif
 245 int getargs (void *processBuffer, int bufferLen, char *argsBuffer, int argsLen);
 246 #endif /* HAVE_PROCINFO_H */
 247
 248 /* put name of process from config to list_head_g tree
 249  * list_head_g is a list of 'procstat_t' structs with
 250  * processes names we want to watch */
 251 static void ps_list_register (const char *name, const char *regexp)
 252 {
 253         procstat_t *new;
 254         procstat_t *ptr;
 255         int status;
 256
 257         new = (procstat_t *) malloc (sizeof (procstat_t));
 258         if (new == NULL)
 259         {
 260                 ERROR ("processes plugin: ps_list_register: malloc failed.");
 261                 return;
 262         }
 263         memset (new, 0, sizeof (procstat_t));
 264         sstrncpy (new->name, name, sizeof (new->name));
 265
 266 #if HAVE_REGEX_H
 267         if (regexp != NULL)
 268         {
 269                 DEBUG ("ProcessMatch: adding \"%s\" as criteria to process %s.", regexp, name);
 270                 new->re = (regex_t *) malloc (sizeof (regex_t));
 271                 if (new->re == NULL)
 272                 {
 273                         ERROR ("processes plugin: ps_list_register: malloc failed.");
 274                         sfree (new);
 275                         return;
 276                 }
 277
 278                 status = regcomp (new->re, regexp, REG_EXTENDED | REG_NOSUB);
 279                 if (status != 0)
 280                 {
 281                         DEBUG ("ProcessMatch: compiling the regular expression \"%s\" failed.", regexp);
 282                         sfree(new->re);
 283                         sfree(new);
 284                         return;
 285                 }
 286         }
 287 #else
 288         if (regexp != NULL)
 289         {
 290                 ERROR ("processes plugin: ps_list_register: "
 291                                 "Regular expression \"%s\" found in config "
 292                                 "file, but support for regular expressions "
 293                                 "has been disabled at compile time.",
 294                                 regexp);
 295                 sfree (new);
 296                 return;
 297         }
 298 #endif
 299
 300         for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
 301         {
 302                 if (strcmp (ptr->name, name) == 0)
 303                 {
 304                         WARNING ("processes plugin: You have configured more "
 305                                         "than one `Process' or "
 306                                         "`ProcessMatch' with the same name. "
 307                                         "All but the first setting will be "
 308                                         "ignored.");
 309                         sfree (new->re);
 310                         sfree (new);
 311                         return;
 312                 }
 313
 314                 if (ptr->next == NULL)
 315                         break;
 316         }
 317
 318         if (ptr == NULL)
 319                 list_head_g = new;
 320         else
 321                 ptr->next = new;
 322 } /* void ps_list_register */
 323
 324 /* try to match name against entry, returns 1 if success */
 325 static int ps_list_match (const char *name, const char *cmdline, procstat_t *ps)
 326 {
 327 #if HAVE_REGEX_H
 328         if (ps->re != NULL)
 329         {
 330                 int status;
 331                 const char *str;
 332
 333                 str = cmdline;
 334                 if ((str == NULL) || (str[0] == 0))
 335                         str = name;
 336
 337                 assert (str != NULL);
 338
 339                 status = regexec (ps->re, str,
 340                                 /* nmatch = */ 0,
 341                                 /* pmatch = */ NULL,
 342                                 /* eflags = */ 0);
 343                 if (status == 0)
 344                         return (1);
 345         }
 346         else
 347 #endif
 348         if (strcmp (ps->name, name) == 0)
 349                 return (1);
 350
 351         return (0);
 352 } /* int ps_list_match */
 353
 354 /* add process entry to 'instances' of process 'name' (or refresh it) */
 355 static void ps_list_add (const char *name, const char *cmdline, procstat_entry_t *entry)
 356 {
 357         procstat_t *ps;
 358         procstat_entry_t *pse;
 359
 360         if (entry->id == 0)
 361                 return;
 362
 363         for (ps = list_head_g; ps != NULL; ps = ps->next)
 364         {
 365                 if ((ps_list_match (name, cmdline, ps)) == 0)
 366                         continue;
 367
 368                 for (pse = ps->instances; pse != NULL; pse = pse->next)
 369                         if ((pse->id == entry->id) || (pse->next == NULL))
 370                                 break;
 371
 372                 if ((pse == NULL) || (pse->id != entry->id))
 373                 {
 374                         procstat_entry_t *new;
 375
 376                         new = (procstat_entry_t *) malloc (sizeof (procstat_entry_t));
 377                         if (new == NULL)
 378                                 return;
 379                         memset (new, 0, sizeof (procstat_entry_t));
 380                         new->id = entry->id;
 381
 382                         if (pse == NULL)
 383                                 ps->instances = new;
 384                         else
 385                                 pse->next = new;
 386
 387                         pse = new;
 388                 }
 389
 390                 pse->age = 0;
 391                 pse->num_proc   = entry->num_proc;
 392                 pse->num_lwp    = entry->num_lwp;
 393                 pse->vmem_size  = entry->vmem_size;
 394                 pse->vmem_rss   = entry->vmem_rss;
 395                 pse->vmem_data  = entry->vmem_data;
 396                 pse->vmem_code  = entry->vmem_code;
 397                 pse->stack_size = entry->stack_size;
 398                 pse->io_rchar   = entry->io_rchar;
 399                 pse->io_wchar   = entry->io_wchar;
 400                 pse->io_syscr   = entry->io_syscr;
 401                 pse->io_syscw   = entry->io_syscw;
 402
 403                 ps->num_proc   += pse->num_proc;
 404                 ps->num_lwp    += pse->num_lwp;
 405                 ps->vmem_size  += pse->vmem_size;
 406                 ps->vmem_rss   += pse->vmem_rss;
 407                 ps->vmem_data  += pse->vmem_data;
 408                 ps->vmem_code  += pse->vmem_code;
 409                 ps->stack_size += pse->stack_size;
 410
 411                 ps->io_rchar   += ((pse->io_rchar == -1)?0:pse->io_rchar);
 412                 ps->io_wchar   += ((pse->io_wchar == -1)?0:pse->io_wchar);
 413                 ps->io_syscr   += ((pse->io_syscr == -1)?0:pse->io_syscr);
 414                 ps->io_syscw   += ((pse->io_syscw == -1)?0:pse->io_syscw);
 415
 416                 if ((entry->vmem_minflt_counter == 0)
 417                                 && (entry->vmem_majflt_counter == 0))
 418                 {
 419                         pse->vmem_minflt_counter += entry->vmem_minflt;
 420                         pse->vmem_minflt = entry->vmem_minflt;
 421
 422                         pse->vmem_majflt_counter += entry->vmem_majflt;
 423                         pse->vmem_majflt = entry->vmem_majflt;
 424                 }
 425                 else
 426                 {
 427                         if (entry->vmem_minflt_counter < pse->vmem_minflt_counter)
 428                         {
 429                                 pse->vmem_minflt = entry->vmem_minflt_counter
 430                                         + (ULONG_MAX - pse->vmem_minflt_counter);
 431                         }
 432                         else
 433                         {
 434                                 pse->vmem_minflt = entry->vmem_minflt_counter - pse->vmem_minflt_counter;
 435                         }
 436                         pse->vmem_minflt_counter = entry->vmem_minflt_counter;
 437
 438                         if (entry->vmem_majflt_counter < pse->vmem_majflt_counter)
 439                         {
 440                                 pse->vmem_majflt = entry->vmem_majflt_counter
 441                                         + (ULONG_MAX - pse->vmem_majflt_counter);
 442                         }
 443                         else
 444                         {
 445                                 pse->vmem_majflt = entry->vmem_majflt_counter - pse->vmem_majflt_counter;
 446                         }
 447                         pse->vmem_majflt_counter = entry->vmem_majflt_counter;
 448                 }
 449
 450                 ps->vmem_minflt_counter += pse->vmem_minflt;
 451                 ps->vmem_majflt_counter += pse->vmem_majflt;
 452
 453                 if ((entry->cpu_user_counter == 0)
 454                                 && (entry->cpu_system_counter == 0))
 455                 {
 456                         pse->cpu_user_counter += entry->cpu_user;
 457                         pse->cpu_user = entry->cpu_user;
 458
 459                         pse->cpu_system_counter += entry->cpu_system;
 460                         pse->cpu_system = entry->cpu_system;
 461                 }
 462                 else
 463                 {
 464                         if (entry->cpu_user_counter < pse->cpu_user_counter)
 465                         {
 466                                 pse->cpu_user = entry->cpu_user_counter
 467                                         + (ULONG_MAX - pse->cpu_user_counter);
 468                         }
 469                         else
 470                         {
 471                                 pse->cpu_user = entry->cpu_user_counter - pse->cpu_user_counter;
 472                         }
 473                         pse->cpu_user_counter = entry->cpu_user_counter;
 474
 475                         if (entry->cpu_system_counter < pse->cpu_system_counter)
 476                         {
 477                                 pse->cpu_system = entry->cpu_system_counter
 478                                         + (ULONG_MAX - pse->cpu_system_counter);
 479                         }
 480                         else
 481                         {
 482                                 pse->cpu_system = entry->cpu_system_counter - pse->cpu_system_counter;
 483                         }
 484                         pse->cpu_system_counter = entry->cpu_system_counter;
 485                 }
 486
 487                 ps->cpu_user_counter   += pse->cpu_user;
 488                 ps->cpu_system_counter += pse->cpu_system;
 489         }
 490 }
 491
 492 /* remove old entries from instances of processes in list_head_g */
 493 static void ps_list_reset (void)
 494 {
 495         procstat_t *ps;
 496         procstat_entry_t *pse;
 497         procstat_entry_t *pse_prev;
 498
 499         for (ps = list_head_g; ps != NULL; ps = ps->next)
 500         {
 501                 ps->num_proc    = 0;
 502                 ps->num_lwp     = 0;
 503                 ps->vmem_size   = 0;
 504                 ps->vmem_rss    = 0;
 505                 ps->vmem_data   = 0;
 506                 ps->vmem_code   = 0;
 507                 ps->stack_size  = 0;
 508                 ps->io_rchar = -1;
 509                 ps->io_wchar = -1;
 510                 ps->io_syscr = -1;
 511                 ps->io_syscw = -1;
 512
 513                 pse_prev = NULL;
 514                 pse = ps->instances;
 515                 while (pse != NULL)
 516                 {
 517                         if (pse->age > 10)
 518                         {
 519                                 DEBUG ("Removing this procstat entry cause it's too old: "
 520                                                 "id = %lu; name = %s;",
 521                                                 pse->id, ps->name);
 522
 523                                 if (pse_prev == NULL)
 524                                 {
 525                                         ps->instances = pse->next;
 526                                         free (pse);
 527                                         pse = ps->instances;
 528                                 }
 529                                 else
 530                                 {
 531                                         pse_prev->next = pse->next;
 532                                         free (pse);
 533                                         pse = pse_prev->next;
 534                                 }
 535                         }
 536                         else
 537                         {
 538                                 pse->age++;
 539                                 pse_prev = pse;
 540                                 pse = pse->next;
 541                         }
 542                 } /* while (pse != NULL) */
 543         } /* for (ps = list_head_g; ps != NULL; ps = ps->next) */
 544 }
 545
 546 /* put all pre-defined 'Process' names from config to list_head_g tree */
 547 static int ps_config (oconfig_item_t *ci)
 548 {
 549         int i;
 550
 551         for (i = 0; i < ci->children_num; ++i) {
 552                 oconfig_item_t *c = ci->children + i;
 553
 554                 if (strcasecmp (c->key, "Process") == 0)
 555                 {
 556                         if ((c->values_num != 1)
 557                                         || (OCONFIG_TYPE_STRING != c->values[0].type)) {
 558                                 ERROR ("processes plugin: `Process' expects exactly "
 559                                                 "one string argument (got %i).",
 560                                                 c->values_num);
 561                                 continue;
 562                         }
 563
 564                         if (c->children_num != 0) {
 565                                 WARNING ("processes plugin: the `Process' config option "
 566                                                 "does not expect any child elements -- ignoring "
 567                                                 "content (%i elements) of the <Process '%s'> block.",
 568                                                 c->children_num, c->values[0].value.string);
 569                         }
 570
 571                         ps_list_register (c->values[0].value.string, NULL);
 572                 }
 573                 else if (strcasecmp (c->key, "ProcessMatch") == 0)
 574                 {
 575                         if ((c->values_num != 2)
 576                                         || (OCONFIG_TYPE_STRING != c->values[0].type)
 577                                         || (OCONFIG_TYPE_STRING != c->values[1].type))
 578                         {
 579                                 ERROR ("processes plugin: `ProcessMatch' needs exactly "
 580                                                 "two string arguments (got %i).",
 581                                                 c->values_num);
 582                                 continue;
 583                         }
 584
 585                         if (c->children_num != 0) {
 586                                 WARNING ("processes plugin: the `ProcessMatch' config option "
 587                                                 "does not expect any child elements -- ignoring "
 588                                                 "content (%i elements) of the <ProcessMatch '%s' '%s'> "
 589                                                 "block.", c->children_num, c->values[0].value.string,
 590                                                 c->values[1].value.string);
 591                         }
 592
 593                         ps_list_register (c->values[0].value.string,
 594                                         c->values[1].value.string);
 595                 }
 596                 else
 597                 {
 598                         ERROR ("processes plugin: The `%s' configuration option is not "
 599                                         "understood and will be ignored.", c->key);
 600                         continue;
 601                 }
 602         }
 603
 604         return (0);
 605 }
 606
 607 static int ps_init (void)
 608 {
 609 #if HAVE_THREAD_INFO
 610         kern_return_t status;
 611
 612         port_host_self = mach_host_self ();
 613         port_task_self = mach_task_self ();
 614
 615         if (pset_list != NULL)
 616         {
 617                 vm_deallocate (port_task_self,
 618                                 (vm_address_t) pset_list,
 619                                 pset_list_len * sizeof (processor_set_t));
 620                 pset_list = NULL;
 621                 pset_list_len = 0;
 622         }
 623
 624         if ((status = host_processor_sets (port_host_self,
 625                                         &pset_list,
 626                                         &pset_list_len)) != KERN_SUCCESS)
 627         {
 628                 ERROR ("host_processor_sets failed: %s\n",
 629                                 mach_error_string (status));
 630                 pset_list = NULL;
 631                 pset_list_len = 0;
 632                 return (-1);
 633         }
 634 /* #endif HAVE_THREAD_INFO */
 635
 636 #elif KERNEL_LINUX
 637         pagesize_g = sysconf(_SC_PAGESIZE);
 638         DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
 639                         pagesize_g, CONFIG_HZ);
 640 /* #endif KERNEL_LINUX */
 641
 642 #elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
 643         pagesize = getpagesize();
 644 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
 645
 646 #elif HAVE_PROCINFO_H
 647         pagesize = getpagesize();
 648 #endif /* HAVE_PROCINFO_H */
 649
 650         return (0);
 651 } /* int ps_init */
 652
 653 /* submit global state (e.g.: qty of zombies, running, etc..) */
 654 static void ps_submit_state (const char *state, double value)
 655 {
 656         value_t values[1];
 657         value_list_t vl = VALUE_LIST_INIT;
 658
 659         values[0].gauge = value;
 660
 661         vl.values = values;
 662         vl.values_len = 1;
 663         sstrncpy (vl.host, hostname_g, sizeof (vl.host));
 664         sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
 665         sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
 666         sstrncpy (vl.type, "ps_state", sizeof (vl.type));
 667         sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
 668
 669         plugin_dispatch_values (&vl);
 670 }
 671
 672 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
 673 static void ps_submit_proc_list (procstat_t *ps)
 674 {
 675         value_t values[2];
 676         value_list_t vl = VALUE_LIST_INIT;
 677
 678         vl.values = values;
 679         vl.values_len = 2;
 680         sstrncpy (vl.host, hostname_g, sizeof (vl.host));
 681         sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
 682         sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
 683
 684         sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
 685         vl.values[0].gauge = ps->vmem_size;
 686         vl.values_len = 1;
 687         plugin_dispatch_values (&vl);
 688
 689         sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
 690         vl.values[0].gauge = ps->vmem_rss;
 691         vl.values_len = 1;
 692         plugin_dispatch_values (&vl);
 693
 694         sstrncpy (vl.type, "ps_data", sizeof (vl.type));
 695         vl.values[0].gauge = ps->vmem_data;
 696         vl.values_len = 1;
 697         plugin_dispatch_values (&vl);
 698
 699         sstrncpy (vl.type, "ps_code", sizeof (vl.type));
 700         vl.values[0].gauge = ps->vmem_code;
 701         vl.values_len = 1;
 702         plugin_dispatch_values (&vl);
 703
 704         sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
 705         vl.values[0].gauge = ps->stack_size;
 706         vl.values_len = 1;
 707         plugin_dispatch_values (&vl);
 708
 709         sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
 710         vl.values[0].derive = ps->cpu_user_counter;
 711         vl.values[1].derive = ps->cpu_system_counter;
 712         vl.values_len = 2;
 713         plugin_dispatch_values (&vl);
 714
 715         sstrncpy (vl.type, "ps_count", sizeof (vl.type));
 716         vl.values[0].gauge = ps->num_proc;
 717         vl.values[1].gauge = ps->num_lwp;
 718         vl.values_len = 2;
 719         plugin_dispatch_values (&vl);
 720
 721         sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
 722         vl.values[0].derive = ps->vmem_minflt_counter;
 723         vl.values[1].derive = ps->vmem_majflt_counter;
 724         vl.values_len = 2;
 725         plugin_dispatch_values (&vl);
 726
 727         if ( (ps->io_rchar != -1) && (ps->io_wchar != -1) )
 728         {
 729                 sstrncpy (vl.type, "ps_disk_octets", sizeof (vl.type));
 730                 vl.values[0].derive = ps->io_rchar;
 731                 vl.values[1].derive = ps->io_wchar;
 732                 vl.values_len = 2;
 733                 plugin_dispatch_values (&vl);
 734         }
 735
 736         if ( (ps->io_syscr != -1) && (ps->io_syscw != -1) )
 737         {
 738                 sstrncpy (vl.type, "ps_disk_ops", sizeof (vl.type));
 739                 vl.values[0].derive = ps->io_syscr;
 740                 vl.values[1].derive = ps->io_syscw;
 741                 vl.values_len = 2;
 742                 plugin_dispatch_values (&vl);
 743         }
 744
 745         DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
 746                         "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
 747                         "vmem_code = %lu; "
 748                         "vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
 749                         "cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
 750                         "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
 751                         "io_syscr = %"PRIi64"; io_syscw = %"PRIi64";",
 752                         ps->name, ps->num_proc, ps->num_lwp,
 753                         ps->vmem_size, ps->vmem_rss,
 754                         ps->vmem_data, ps->vmem_code,
 755                         ps->vmem_minflt_counter, ps->vmem_majflt_counter,
 756                         ps->cpu_user_counter, ps->cpu_system_counter,
 757                         ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw);
 758 } /* void ps_submit_proc_list */
 759
 760 #if KERNEL_LINUX || KERNEL_SOLARIS
 761 static void ps_submit_fork_rate (derive_t value)
 762 {
 763         value_t values[1];
 764         value_list_t vl = VALUE_LIST_INIT;
 765
 766         values[0].derive = value;
 767
 768         vl.values = values;
 769         vl.values_len = 1;
 770         sstrncpy(vl.host, hostname_g, sizeof (vl.host));
 771         sstrncpy(vl.plugin, "processes", sizeof (vl.plugin));
 772         sstrncpy(vl.plugin_instance, "", sizeof (vl.plugin_instance));
 773         sstrncpy(vl.type, "fork_rate", sizeof (vl.type));
 774         sstrncpy(vl.type_instance, "", sizeof (vl.type_instance));
 775
 776         plugin_dispatch_values(&vl);
 777 }
 778 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
 779
 780 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
 781 #if KERNEL_LINUX
 782 static int ps_read_tasks (int pid)
 783 {
 784         char           dirname[64];
 785         DIR           *dh;
 786         struct dirent *ent;
 787         int count = 0;
 788
 789         ssnprintf (dirname, sizeof (dirname), "/proc/%i/task", pid);
 790
 791         if ((dh = opendir (dirname)) == NULL)
 792         {
 793                 DEBUG ("Failed to open directory `%s'", dirname);
 794                 return (-1);
 795         }
 796
 797         while ((ent = readdir (dh)) != NULL)
 798         {
 799                 if (!isdigit ((int) ent->d_name[0]))
 800                         continue;
 801                 else
 802                         count++;
 803         }
 804         closedir (dh);
 805
 806         return ((count >= 1) ? count : 1);
 807 } /* int *ps_read_tasks */
 808
 809 /* Read advanced virtual memory data from /proc/pid/status */
 810 static procstat_t *ps_read_vmem (int pid, procstat_t *ps)
 811 {
 812         FILE *fh;
 813         char buffer[1024];
 814         char filename[64];
 815         unsigned long long lib = 0;
 816         unsigned long long exe = 0;
 817         unsigned long long data = 0;
 818         char *fields[8];
 819         int numfields;
 820
 821         ssnprintf (filename, sizeof (filename), "/proc/%i/status", pid);
 822         if ((fh = fopen (filename, "r")) == NULL)
 823                 return (NULL);
 824
 825         while (fgets (buffer, sizeof(buffer), fh) != NULL)
 826         {
 827                 long long tmp;
 828                 char *endptr;
 829
 830                 if (strncmp (buffer, "Vm", 2) != 0)
 831                         continue;
 832
 833                 numfields = strsplit (buffer, fields,
 834                                 STATIC_ARRAY_SIZE (fields));
 835
 836                 if (numfields < 2)
 837                         continue;
 838
 839                 errno = 0;
 840                 endptr = NULL;
 841                 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
 842                 if ((errno == 0) && (endptr != fields[1]))
 843                 {
 844                         if (strncmp (buffer, "VmData", 6) == 0)
 845                         {
 846                                 data = tmp;
 847                         }
 848                         else if (strncmp (buffer, "VmLib", 5) == 0)
 849                         {
 850                                 lib = tmp;
 851                         }
 852                         else if  (strncmp(buffer, "VmExe", 5) == 0)
 853                         {
 854                                 exe = tmp;
 855                         }
 856                 }
 857         } /* while (fgets) */
 858
 859         if (fclose (fh))
 860         {
 861                 char errbuf[1024];
 862                 WARNING ("processes: fclose: %s",
 863                                 sstrerror (errno, errbuf, sizeof (errbuf)));
 864         }
 865
 866         ps->vmem_data = data * 1024;
 867         ps->vmem_code = (exe + lib) * 1024;
 868
 869         return (ps);
 870 } /* procstat_t *ps_read_vmem */
 871
 872 static procstat_t *ps_read_io (int pid, procstat_t *ps)
 873 {
 874         FILE *fh;
 875         char buffer[1024];
 876         char filename[64];
 877
 878         char *fields[8];
 879         int numfields;
 880
 881         ssnprintf (filename, sizeof (filename), "/proc/%i/io", pid);
 882         if ((fh = fopen (filename, "r")) == NULL)
 883                 return (NULL);
 884
 885         while (fgets (buffer, sizeof (buffer), fh) != NULL)
 886         {
 887                 derive_t *val = NULL;
 888                 long long tmp;
 889                 char *endptr;
 890
 891                 if (strncasecmp (buffer, "rchar:", 6) == 0)
 892                         val = &(ps->io_rchar);
 893                 else if (strncasecmp (buffer, "wchar:", 6) == 0)
 894                         val = &(ps->io_wchar);
 895                 else if (strncasecmp (buffer, "syscr:", 6) == 0)
 896                         val = &(ps->io_syscr);
 897                 else if (strncasecmp (buffer, "syscw:", 6) == 0)
 898                         val = &(ps->io_syscw);
 899                 else
 900                         continue;
 901
 902                 numfields = strsplit (buffer, fields,
 903                                 STATIC_ARRAY_SIZE (fields));
 904
 905                 if (numfields < 2)
 906                         continue;
 907
 908                 errno = 0;
 909                 endptr = NULL;
 910                 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
 911                 if ((errno != 0) || (endptr == fields[1]))
 912                         *val = -1;
 913                 else
 914                         *val = (derive_t) tmp;
 915         } /* while (fgets) */
 916
 917         if (fclose (fh))
 918         {
 919                 char errbuf[1024];
 920                 WARNING ("processes: fclose: %s",
 921                                 sstrerror (errno, errbuf, sizeof (errbuf)));
 922         }
 923
 924         return (ps);
 925 } /* procstat_t *ps_read_io */
 926
 927 int ps_read_process (int pid, procstat_t *ps, char *state)
 928 {
 929         char  filename[64];
 930         char  buffer[1024];
 931
 932         char *fields[64];
 933         char  fields_len;
 934
 935         int   buffer_len;
 936
 937         char *buffer_ptr;
 938         size_t name_start_pos;
 939         size_t name_end_pos;
 940         size_t name_len;
 941
 942         derive_t cpu_user_counter;
 943         derive_t cpu_system_counter;
 944         long long unsigned vmem_size;
 945         long long unsigned vmem_rss;
 946         long long unsigned stack_size;
 947
 948         memset (ps, 0, sizeof (procstat_t));
 949
 950         ssnprintf (filename, sizeof (filename), "/proc/%i/stat", pid);
 951
 952         buffer_len = read_file_contents (filename,
 953                         buffer, sizeof(buffer) - 1);
 954         if (buffer_len <= 0)
 955                 return (-1);
 956         buffer[buffer_len] = 0;
 957
 958         /* The name of the process is enclosed in parens. Since the name can
 959          * contain parens itself, spaces, numbers and pretty much everything
 960          * else, use these to determine the process name. We don't use
 961          * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
 962          * otherwise be required to determine name_len. */
 963         name_start_pos = 0;
 964         while ((buffer[name_start_pos] != '(')
 965                         && (name_start_pos < buffer_len))
 966                 name_start_pos++;
 967
 968         name_end_pos = buffer_len;
 969         while ((buffer[name_end_pos] != ')')
 970                         && (name_end_pos > 0))
 971                 name_end_pos--;
 972
 973         /* Either '(' or ')' is not found or they are in the wrong order.
 974          * Anyway, something weird that shouldn't happen ever. */
 975         if (name_start_pos >= name_end_pos)
 976         {
 977                 ERROR ("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
 978                                 name_start_pos, name_end_pos);
 979                 return (-1);
 980         }
 981
 982         name_len = (name_end_pos - name_start_pos) - 1;
 983         if (name_len >= sizeof (ps->name))
 984                 name_len = sizeof (ps->name) - 1;
 985
 986         sstrncpy (ps->name, &buffer[name_start_pos + 1], name_len + 1);
 987
 988         if ((buffer_len - name_end_pos) < 2)
 989                 return (-1);
 990         buffer_ptr = &buffer[name_end_pos + 2];
 991
 992         fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
 993         if (fields_len < 22)
 994         {
 995                 DEBUG ("processes plugin: ps_read_process (pid = %i):"
 996                                 " `%s' has only %i fields..",
 997                                 (int) pid, filename, fields_len);
 998                 return (-1);
 999         }
1000
1001         *state = fields[0][0];
1002
1003         if (*state == 'Z')
1004         {
1005                 ps->num_lwp  = 0;
1006                 ps->num_proc = 0;
1007         }
1008         else
1009         {
1010                 if ( (ps->num_lwp = ps_read_tasks (pid)) == -1 )
1011                 {
1012                         /* returns -1 => kernel 2.4 */
1013                         ps->num_lwp = 1;
1014                 }
1015                 ps->num_proc = 1;
1016         }
1017
1018         /* Leave the rest at zero if this is only a zombi */
1019         if (ps->num_proc == 0)
1020         {
1021                 DEBUG ("processes plugin: This is only a zombie: pid = %i; "
1022                                 "name = %s;", pid, ps->name);
1023                 return (0);
1024         }
1025
1026         cpu_user_counter   = atoll (fields[11]);
1027         cpu_system_counter = atoll (fields[12]);
1028         vmem_size          = atoll (fields[20]);
1029         vmem_rss           = atoll (fields[21]);
1030         ps->vmem_minflt_counter = atol (fields[7]);
1031         ps->vmem_majflt_counter = atol (fields[9]);
1032
1033         {
1034                 unsigned long long stack_start = atoll (fields[25]);
1035                 unsigned long long stack_ptr   = atoll (fields[26]);
1036
1037                 stack_size = (stack_start > stack_ptr)
1038                         ? stack_start - stack_ptr
1039                         : stack_ptr - stack_start;
1040         }
1041
1042         /* Convert jiffies to useconds */
1043         cpu_user_counter   = cpu_user_counter   * 1000000 / CONFIG_HZ;
1044         cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1045         vmem_rss = vmem_rss * pagesize_g;
1046
1047         if ( (ps_read_vmem(pid, ps)) == NULL)
1048         {
1049                 /* No VMem data */
1050                 ps->vmem_data = -1;
1051                 ps->vmem_code = -1;
1052                 DEBUG("ps_read_process: did not get vmem data for pid %i",pid);
1053         }
1054
1055         ps->cpu_user_counter = cpu_user_counter;
1056         ps->cpu_system_counter = cpu_system_counter;
1057         ps->vmem_size = (unsigned long) vmem_size;
1058         ps->vmem_rss = (unsigned long) vmem_rss;
1059         ps->stack_size = (unsigned long) stack_size;
1060
1061         if ( (ps_read_io (pid, ps)) == NULL)
1062         {
1063                 /* no io data */
1064                 ps->io_rchar = -1;
1065                 ps->io_wchar = -1;
1066                 ps->io_syscr = -1;
1067                 ps->io_syscw = -1;
1068
1069                 DEBUG("ps_read_process: not get io data for pid %i",pid);
1070         }
1071
1072         /* success */
1073         return (0);
1074 } /* int ps_read_process (...) */
1075
1076 static char *ps_get_cmdline (pid_t pid, char *name, char *buf, size_t buf_len)
1077 {
1078         char  *buf_ptr;
1079         size_t len;
1080
1081         char file[PATH_MAX];
1082         int  fd;
1083
1084         size_t n;
1085
1086         if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1087                 return NULL;
1088
1089         ssnprintf (file, sizeof (file), "/proc/%u/cmdline",
1090                         (unsigned int) pid);
1091
1092         errno = 0;
1093         fd = open (file, O_RDONLY);
1094         if (fd < 0) {
1095                 char errbuf[4096];
1096                 /* ENOENT means the process exited while we were handling it.
1097                  * Don't complain about this, it only fills the logs. */
1098                 if (errno != ENOENT)
1099                         WARNING ("processes plugin: Failed to open `%s': %s.", file,
1100                                         sstrerror (errno, errbuf, sizeof (errbuf)));
1101                 return NULL;
1102         }
1103
1104         buf_ptr = buf;
1105         len     = buf_len;
1106
1107         n = 0;
1108
1109         while (42) {
1110                 ssize_t status;
1111
1112                 status = read (fd, (void *)buf_ptr, len);
1113
1114                 if (status < 0) {
1115                         char errbuf[1024];
1116
1117                         if ((EAGAIN == errno) || (EINTR == errno))
1118                                 continue;
1119
1120                         WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1121                                         sstrerror (errno, errbuf, sizeof (errbuf)));
1122                         close (fd);
1123                         return NULL;
1124                 }
1125
1126                 n += status;
1127
1128                 if (status == 0)
1129                         break;
1130
1131                 buf_ptr += status;
1132                 len     -= status;
1133
1134                 if (len <= 0)
1135                         break;
1136         }
1137
1138         close (fd);
1139
1140         if (0 == n) {
1141                 /* cmdline not available; e.g. kernel thread, zombie */
1142                 if (NULL == name)
1143                         return NULL;
1144
1145                 ssnprintf (buf, buf_len, "[%s]", name);
1146                 return buf;
1147         }
1148
1149         assert (n <= buf_len);
1150
1151         if (n == buf_len)
1152                 --n;
1153         buf[n] = '\0';
1154
1155         --n;
1156         /* remove trailing whitespace */
1157         while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1158                 buf[n] = '\0';
1159                 --n;
1160         }
1161
1162         /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1163         while (n > 0) {
1164                 if ('\0' == buf[n])
1165                         buf[n] = ' ';
1166                 --n;
1167         }
1168         return buf;
1169 } /* char *ps_get_cmdline (...) */
1170
1171 static int read_fork_rate ()
1172 {
1173         FILE *proc_stat;
1174         char buffer[1024];
1175         value_t value;
1176         _Bool value_valid = 0;
1177
1178         proc_stat = fopen ("/proc/stat", "r");
1179         if (proc_stat == NULL)
1180         {
1181                 char errbuf[1024];
1182                 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1183                                 sstrerror (errno, errbuf, sizeof (errbuf)));
1184                 return (-1);
1185         }
1186
1187         while (fgets (buffer, sizeof (buffer), proc_stat) != NULL)
1188         {
1189                 int status;
1190                 char *fields[3];
1191                 int fields_num;
1192
1193                 fields_num = strsplit (buffer, fields,
1194                                 STATIC_ARRAY_SIZE (fields));
1195                 if (fields_num != 2)
1196                         continue;
1197
1198                 if (strcmp ("processes", fields[0]) != 0)
1199                         continue;
1200
1201                 status = parse_value (fields[1], &value, DS_TYPE_DERIVE);
1202                 if (status == 0)
1203                         value_valid = 1;
1204
1205                 break;
1206         }
1207         fclose(proc_stat);
1208
1209         if (!value_valid)
1210                 return (-1);
1211
1212         ps_submit_fork_rate (value.derive);
1213         return (0);
1214 }
1215 #endif /*KERNEL_LINUX */
1216
1217 #if KERNEL_SOLARIS
1218 static const char *ps_get_cmdline (long pid, /* {{{ */
1219                 char *buffer, size_t buffer_size)
1220 {
1221         char path[PATH_MAX];
1222         psinfo_t info;
1223         int status;
1224
1225         snprintf(path, sizeof (path), "/proc/%li/psinfo", pid);
1226
1227         status = read_file_contents (path, (void *) &info, sizeof (info));
1228         if (status != sizeof (info))
1229         {
1230                 ERROR ("processes plugin: Unexpected return value "
1231                                 "while reading \"%s\": "
1232                                 "Returned %i but expected %zu.",
1233                                 path, status, buffer_size);
1234                 return (NULL);
1235         }
1236
1237         info.pr_psargs[sizeof (info.pr_psargs) - 1] = 0;
1238         sstrncpy (buffer, info.pr_psargs, buffer_size);
1239
1240         return (buffer);
1241 } /* }}} int ps_get_cmdline */
1242
1243 /*
1244  * Reads process information on the Solaris OS. The information comes mainly from
1245  * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1246  * The values for input and ouput chars are calculated "by hand"
1247  * Added a few "solaris" specific process states as well
1248  */
1249 static int ps_read_process(long pid, procstat_t *ps, char *state)
1250 {
1251         char filename[64];
1252         char f_psinfo[64], f_usage[64];
1253         char *buffer;
1254
1255         pstatus_t *myStatus;
1256         psinfo_t *myInfo;
1257         prusage_t *myUsage;
1258
1259         snprintf(filename, sizeof (filename), "/proc/%li/status", pid);
1260         snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%li/psinfo", pid);
1261         snprintf(f_usage, sizeof (f_usage), "/proc/%li/usage", pid);
1262
1263
1264         buffer = malloc(sizeof (pstatus_t));
1265         memset(buffer, 0, sizeof (pstatus_t));
1266         read_file_contents(filename, buffer, sizeof (pstatus_t));
1267         myStatus = (pstatus_t *) buffer;
1268
1269         buffer = malloc(sizeof (psinfo_t));
1270         memset(buffer, 0, sizeof(psinfo_t));
1271         read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1272         myInfo = (psinfo_t *) buffer;
1273
1274         buffer = malloc(sizeof (prusage_t));
1275         memset(buffer, 0, sizeof(prusage_t));
1276         read_file_contents(f_usage, buffer, sizeof (prusage_t));
1277         myUsage = (prusage_t *) buffer;
1278
1279         sstrncpy(ps->name, myInfo->pr_fname, sizeof (myInfo->pr_fname));
1280         ps->num_lwp = myStatus->pr_nlwp;
1281         if (myInfo->pr_wstat != 0) {
1282                 ps->num_proc = 0;
1283                 ps->num_lwp = 0;
1284                 *state = (char) 'Z';
1285                 return (0);
1286         } else {
1287                 ps->num_proc = 1;
1288                 ps->num_lwp = myInfo->pr_nlwp;
1289         }
1290
1291         /*
1292          * Convert system time and user time from nanoseconds to microseconds
1293          * for compatibility with the linux module
1294          */
1295         ps->cpu_system_counter = myStatus -> pr_stime.tv_nsec / 1000;
1296         ps->cpu_user_counter = myStatus -> pr_utime.tv_nsec / 1000;
1297
1298         /*
1299          * Convert rssize from KB to bytes to be consistent w/ the linux module
1300          */
1301         ps->vmem_rss = myInfo->pr_rssize * 1024;
1302         ps->vmem_size = myInfo->pr_size * 1024;
1303         ps->vmem_minflt_counter = myUsage->pr_minf;
1304         ps->vmem_majflt_counter = myUsage->pr_majf;
1305
1306         /*
1307          * TODO: Data and code segment calculations for Solaris
1308          */
1309
1310         ps->vmem_data = -1;
1311         ps->vmem_code = -1;
1312         ps->stack_size = myStatus->pr_stksize;
1313
1314         /*
1315          * Calculating input/ouput chars
1316          * Formula used is total chars / total blocks => chars/block
1317          * then convert input/output blocks to chars
1318          */
1319         ulong_t tot_chars = myUsage->pr_ioch;
1320         ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1321         ulong_t chars_per_block = 1;
1322         if (tot_blocks != 0)
1323                 chars_per_block = tot_chars / tot_blocks;
1324         ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1325         ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1326         ps->io_syscr = myUsage->pr_sysc;
1327         ps->io_syscw = myUsage->pr_sysc;
1328
1329
1330         /*
1331          * TODO: Find way of setting BLOCKED and PAGING status
1332          */
1333
1334         *state = (char) 'R';
1335         if (myStatus->pr_flags & PR_ASLEEP)
1336                 *state = (char) 'S';
1337         else if (myStatus->pr_flags & PR_STOPPED)
1338                 *state = (char) 'T';
1339         else if (myStatus->pr_flags & PR_DETACH)
1340                 *state = (char) 'E';
1341         else if (myStatus->pr_flags & PR_DAEMON)
1342                 *state = (char) 'A';
1343         else if (myStatus->pr_flags & PR_ISSYS)
1344                 *state = (char) 'Y';
1345         else if (myStatus->pr_flags & PR_ORPHAN)
1346                 *state = (char) 'O';
1347
1348         sfree(myStatus);
1349         sfree(myInfo);
1350         sfree(myUsage);
1351
1352         return (0);
1353 }
1354
1355 /*
1356  * Reads the number of threads created since the last reboot. On Solaris these
1357  * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1358  * The result is the sum for all the threads created on each cpu
1359  */
1360 static int read_fork_rate()
1361 {
1362         extern kstat_ctl_t *kc;
1363         kstat_t *ksp_chain = NULL;
1364         derive_t result = 0;
1365
1366         if (kc == NULL)
1367                 return (-1);
1368
1369         for (ksp_chain = kc->kc_chain;
1370                         ksp_chain != NULL;
1371                         ksp_chain = ksp_chain->ks_next)
1372         {
1373                 if ((strcmp (ksp_chain->ks_module, "cpu") == 0)
1374                                 && (strcmp (ksp_chain->ks_name, "sys") == 0)
1375                                 && (strcmp (ksp_chain->ks_class, "misc") == 0))
1376                 {
1377                         long long tmp;
1378
1379                         kstat_read (kc, ksp_chain, NULL);
1380
1381                         tmp = get_kstat_value(ksp_chain, "nthreads");
1382                         if (tmp != -1LL)
1383                                 result += tmp;
1384                 }
1385         }
1386
1387         ps_submit_fork_rate (result);
1388         return (0);
1389 }
1390 #endif /* KERNEL_SOLARIS */
1391
1392 #if HAVE_THREAD_INFO
1393 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1394 {
1395         int mib[4];
1396
1397         struct kinfo_proc kp;
1398         size_t            kp_size;
1399
1400         mib[0] = CTL_KERN;
1401         mib[1] = KERN_PROC;
1402         mib[2] = KERN_PROC_PID;
1403
1404         if (pid_for_task (t, pid) != KERN_SUCCESS)
1405                 return (-1);
1406         mib[3] = *pid;
1407
1408         kp_size = sizeof (kp);
1409         if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1410                 return (-1);
1411
1412         if (name_max_len > (MAXCOMLEN + 1))
1413                 name_max_len = MAXCOMLEN + 1;
1414
1415         strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1416         name[name_max_len - 1] = '\0';
1417
1418         DEBUG ("pid = %i; name = %s;", *pid, name);
1419
1420         /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1421          * `top' does it, because it is a lot of work and only used when
1422          * debugging. -octo */
1423
1424         return (0);
1425 }
1426 #endif /* HAVE_THREAD_INFO */
1427 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1428
1429 /* do actual readings from kernel */
1430 static int ps_read (void)
1431 {
1432 #if HAVE_THREAD_INFO
1433         kern_return_t            status;
1434
1435         int                      pset;
1436         processor_set_t          port_pset_priv;
1437
1438         int                      task;
1439         task_array_t             task_list;
1440         mach_msg_type_number_t   task_list_len;
1441
1442         int                      task_pid;
1443         char                     task_name[MAXCOMLEN + 1];
1444
1445         int                      thread;
1446         thread_act_array_t       thread_list;
1447         mach_msg_type_number_t   thread_list_len;
1448         thread_basic_info_data_t thread_data;
1449         mach_msg_type_number_t   thread_data_len;
1450
1451         int running  = 0;
1452         int sleeping = 0;
1453         int zombies  = 0;
1454         int stopped  = 0;
1455         int blocked  = 0;
1456
1457         procstat_t *ps;
1458         procstat_entry_t pse;
1459
1460         ps_list_reset ();
1461
1462         /*
1463          * The Mach-concept is a little different from the traditional UNIX
1464          * concept: All the work is done in threads. Threads are contained in
1465          * `tasks'. Therefore, `task status' doesn't make much sense, since
1466          * it's actually a `thread status'.
1467          * Tasks are assigned to sets of processors, so that's where you go to
1468          * get a list.
1469          */
1470         for (pset = 0; pset < pset_list_len; pset++)
1471         {
1472                 if ((status = host_processor_set_priv (port_host_self,
1473                                                 pset_list[pset],
1474                                                 &port_pset_priv)) != KERN_SUCCESS)
1475                 {
1476                         ERROR ("host_processor_set_priv failed: %s\n",
1477                                         mach_error_string (status));
1478                         continue;
1479                 }
1480
1481                 if ((status = processor_set_tasks (port_pset_priv,
1482                                                 &task_list,
1483                                                 &task_list_len)) != KERN_SUCCESS)
1484                 {
1485                         ERROR ("processor_set_tasks failed: %s\n",
1486                                         mach_error_string (status));
1487                         mach_port_deallocate (port_task_self, port_pset_priv);
1488                         continue;
1489                 }
1490
1491                 for (task = 0; task < task_list_len; task++)
1492                 {
1493                         ps = NULL;
1494                         if (mach_get_task_name (task_list[task],
1495                                                 &task_pid,
1496                                                 task_name, PROCSTAT_NAME_LEN) == 0)
1497                         {
1498                                 /* search for at least one match */
1499                                 for (ps = list_head_g; ps != NULL; ps = ps->next)
1500                                         /* FIXME: cmdline should be here instead of NULL */
1501                                         if (ps_list_match (task_name, NULL, ps) == 1)
1502                                                 break;
1503                         }
1504
1505                         /* Collect more detailed statistics for this process */
1506                         if (ps != NULL)
1507                         {
1508                                 task_basic_info_data_t        task_basic_info;
1509                                 mach_msg_type_number_t        task_basic_info_len;
1510                                 task_events_info_data_t       task_events_info;
1511                                 mach_msg_type_number_t        task_events_info_len;
1512                                 task_absolutetime_info_data_t task_absolutetime_info;
1513                                 mach_msg_type_number_t        task_absolutetime_info_len;
1514
1515                                 memset (&pse, '\0', sizeof (pse));
1516                                 pse.id = task_pid;
1517
1518                                 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1519                                 status = task_info (task_list[task],
1520                                                 TASK_BASIC_INFO,
1521                                                 (task_info_t) &task_basic_info,
1522                                                 &task_basic_info_len);
1523                                 if (status != KERN_SUCCESS)
1524                                 {
1525                                         ERROR ("task_info failed: %s",
1526                                                         mach_error_string (status));
1527                                         continue; /* with next thread_list */
1528                                 }
1529
1530                                 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1531                                 status = task_info (task_list[task],
1532                                                 TASK_EVENTS_INFO,
1533                                                 (task_info_t) &task_events_info,
1534                                                 &task_events_info_len);
1535                                 if (status != KERN_SUCCESS)
1536                                 {
1537                                         ERROR ("task_info failed: %s",
1538                                                         mach_error_string (status));
1539                                         continue; /* with next thread_list */
1540                                 }
1541
1542                                 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1543                                 status = task_info (task_list[task],
1544                                                 TASK_ABSOLUTETIME_INFO,
1545                                                 (task_info_t) &task_absolutetime_info,
1546                                                 &task_absolutetime_info_len);
1547                                 if (status != KERN_SUCCESS)
1548                                 {
1549                                         ERROR ("task_info failed: %s",
1550                                                         mach_error_string (status));
1551                                         continue; /* with next thread_list */
1552                                 }
1553
1554                                 pse.num_proc++;
1555                                 pse.vmem_size = task_basic_info.virtual_size;
1556                                 pse.vmem_rss = task_basic_info.resident_size;
1557                                 /* Does not seem to be easily exposed */
1558                                 pse.vmem_data = 0;
1559                                 pse.vmem_code = 0;
1560
1561                                 pse.vmem_minflt_counter = task_events_info.cow_faults;
1562                                 pse.vmem_majflt_counter = task_events_info.faults;
1563
1564                                 pse.cpu_user_counter = task_absolutetime_info.total_user;
1565                                 pse.cpu_system_counter = task_absolutetime_info.total_system;
1566                         }
1567
1568                         status = task_threads (task_list[task], &thread_list,
1569                                         &thread_list_len);
1570                         if (status != KERN_SUCCESS)
1571                         {
1572                                 /* Apple's `top' treats this case a zombie. It
1573                                  * makes sense to some extend: A `zombie'
1574                                  * thread is nonsense, since the task/process
1575                                  * is dead. */
1576                                 zombies++;
1577                                 DEBUG ("task_threads failed: %s",
1578                                                 mach_error_string (status));
1579                                 if (task_list[task] != port_task_self)
1580                                         mach_port_deallocate (port_task_self,
1581                                                         task_list[task]);
1582                                 continue; /* with next task_list */
1583                         }
1584
1585                         for (thread = 0; thread < thread_list_len; thread++)
1586                         {
1587                                 thread_data_len = THREAD_BASIC_INFO_COUNT;
1588                                 status = thread_info (thread_list[thread],
1589                                                 THREAD_BASIC_INFO,
1590                                                 (thread_info_t) &thread_data,
1591                                                 &thread_data_len);
1592                                 if (status != KERN_SUCCESS)
1593                                 {
1594                                         ERROR ("thread_info failed: %s",
1595                                                         mach_error_string (status));
1596                                         if (task_list[task] != port_task_self)
1597                                                 mach_port_deallocate (port_task_self,
1598                                                                 thread_list[thread]);
1599                                         continue; /* with next thread_list */
1600                                 }
1601
1602                                 if (ps != NULL)
1603                                         pse.num_lwp++;
1604
1605                                 switch (thread_data.run_state)
1606                                 {
1607                                         case TH_STATE_RUNNING:
1608                                                 running++;
1609                                                 break;
1610                                         case TH_STATE_STOPPED:
1611                                         /* What exactly is `halted'? */
1612                                         case TH_STATE_HALTED:
1613                                                 stopped++;
1614                                                 break;
1615                                         case TH_STATE_WAITING:
1616                                                 sleeping++;
1617                                                 break;
1618                                         case TH_STATE_UNINTERRUPTIBLE:
1619                                                 blocked++;
1620                                                 break;
1621                                         /* There is no `zombie' case here,
1622                                          * since there are no zombie-threads.
1623                                          * There's only zombie tasks, which are
1624                                          * handled above. */
1625                                         default:
1626                                                 WARNING ("Unknown thread status: %i",
1627                                                                 thread_data.run_state);
1628                                                 break;
1629                                 } /* switch (thread_data.run_state) */
1630
1631                                 if (task_list[task] != port_task_self)
1632                                 {
1633                                         status = mach_port_deallocate (port_task_self,
1634                                                         thread_list[thread]);
1635                                         if (status != KERN_SUCCESS)
1636                                                 ERROR ("mach_port_deallocate failed: %s",
1637                                                                 mach_error_string (status));
1638                                 }
1639                         } /* for (thread_list) */
1640
1641                         if ((status = vm_deallocate (port_task_self,
1642                                                         (vm_address_t) thread_list,
1643                                                         thread_list_len * sizeof (thread_act_t)))
1644                                         != KERN_SUCCESS)
1645                         {
1646                                 ERROR ("vm_deallocate failed: %s",
1647                                                 mach_error_string (status));
1648                         }
1649                         thread_list = NULL;
1650                         thread_list_len = 0;
1651
1652                         /* Only deallocate the task port, if it isn't our own.
1653                          * Don't know what would happen in that case, but this
1654                          * is what Apple's top does.. ;) */
1655                         if (task_list[task] != port_task_self)
1656                         {
1657                                 status = mach_port_deallocate (port_task_self,
1658                                                 task_list[task]);
1659                                 if (status != KERN_SUCCESS)
1660                                         ERROR ("mach_port_deallocate failed: %s",
1661                                                         mach_error_string (status));
1662                         }
1663
1664                         if (ps != NULL)
1665                                 /* FIXME: cmdline should be here instead of NULL */
1666                                 ps_list_add (task_name, NULL, &pse);
1667                 } /* for (task_list) */
1668
1669                 if ((status = vm_deallocate (port_task_self,
1670                                 (vm_address_t) task_list,
1671                                 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1672                 {
1673                         ERROR ("vm_deallocate failed: %s",
1674                                         mach_error_string (status));
1675                 }
1676                 task_list = NULL;
1677                 task_list_len = 0;
1678
1679                 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1680                                 != KERN_SUCCESS)
1681                 {
1682                         ERROR ("mach_port_deallocate failed: %s",
1683                                         mach_error_string (status));
1684                 }
1685         } /* for (pset_list) */
1686
1687         ps_submit_state ("running", running);
1688         ps_submit_state ("sleeping", sleeping);
1689         ps_submit_state ("zombies", zombies);
1690         ps_submit_state ("stopped", stopped);
1691         ps_submit_state ("blocked", blocked);
1692
1693         for (ps = list_head_g; ps != NULL; ps = ps->next)
1694                 ps_submit_proc_list (ps);
1695 /* #endif HAVE_THREAD_INFO */
1696
1697 #elif KERNEL_LINUX
1698         int running  = 0;
1699         int sleeping = 0;
1700         int zombies  = 0;
1701         int stopped  = 0;
1702         int paging   = 0;
1703         int blocked  = 0;
1704
1705         struct dirent *ent;
1706         DIR           *proc;
1707         int            pid;
1708
1709         char cmdline[CMDLINE_BUFFER_SIZE];
1710
1711         int        status;
1712         procstat_t ps;
1713         procstat_entry_t pse;
1714         char       state;
1715
1716         procstat_t *ps_ptr;
1717
1718         running = sleeping = zombies = stopped = paging = blocked = 0;
1719         ps_list_reset ();
1720
1721         if ((proc = opendir ("/proc")) == NULL)
1722         {
1723                 char errbuf[1024];
1724                 ERROR ("Cannot open `/proc': %s",
1725                                 sstrerror (errno, errbuf, sizeof (errbuf)));
1726                 return (-1);
1727         }
1728
1729         while ((ent = readdir (proc)) != NULL)
1730         {
1731                 if (!isdigit (ent->d_name[0]))
1732                         continue;
1733
1734                 if ((pid = atoi (ent->d_name)) < 1)
1735                         continue;
1736
1737                 status = ps_read_process (pid, &ps, &state);
1738                 if (status != 0)
1739                 {
1740                         DEBUG ("ps_read_process failed: %i", status);
1741                         continue;
1742                 }
1743
1744                 memset (&pse, 0, sizeof (pse));
1745                 pse.id       = pid;
1746                 pse.age      = 0;
1747
1748                 pse.num_proc   = ps.num_proc;
1749                 pse.num_lwp    = ps.num_lwp;
1750                 pse.vmem_size  = ps.vmem_size;
1751                 pse.vmem_rss   = ps.vmem_rss;
1752                 pse.vmem_data  = ps.vmem_data;
1753                 pse.vmem_code  = ps.vmem_code;
1754                 pse.stack_size = ps.stack_size;
1755
1756                 pse.vmem_minflt = 0;
1757                 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1758                 pse.vmem_majflt = 0;
1759                 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1760
1761                 pse.cpu_user = 0;
1762                 pse.cpu_user_counter = ps.cpu_user_counter;
1763                 pse.cpu_system = 0;
1764                 pse.cpu_system_counter = ps.cpu_system_counter;
1765
1766                 pse.io_rchar = ps.io_rchar;
1767                 pse.io_wchar = ps.io_wchar;
1768                 pse.io_syscr = ps.io_syscr;
1769                 pse.io_syscw = ps.io_syscw;
1770
1771                 switch (state)
1772                 {
1773                         case 'R': running++;  break;
1774                         case 'S': sleeping++; break;
1775                         case 'D': blocked++;  break;
1776                         case 'Z': zombies++;  break;
1777                         case 'T': stopped++;  break;
1778                         case 'W': paging++;   break;
1779                 }
1780
1781                 ps_list_add (ps.name,
1782                                 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1783                                 &pse);
1784         }
1785
1786         closedir (proc);
1787
1788         ps_submit_state ("running",  running);
1789         ps_submit_state ("sleeping", sleeping);
1790         ps_submit_state ("zombies",  zombies);
1791         ps_submit_state ("stopped",  stopped);
1792         ps_submit_state ("paging",   paging);
1793         ps_submit_state ("blocked",  blocked);
1794
1795         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1796                 ps_submit_proc_list (ps_ptr);
1797
1798         read_fork_rate();
1799 /* #endif KERNEL_LINUX */
1800
1801 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1802         int running  = 0;
1803         int sleeping = 0;
1804         int zombies  = 0;
1805         int stopped  = 0;
1806         int blocked  = 0;
1807         int idle     = 0;
1808         int wait     = 0;
1809
1810         kvm_t *kd;
1811         char errbuf[_POSIX2_LINE_MAX];
1812         struct kinfo_proc *procs;          /* array of processes */
1813         struct kinfo_proc *proc_ptr = NULL;
1814         int count;                         /* returns number of processes */
1815         int i;
1816
1817         procstat_t *ps_ptr;
1818         procstat_entry_t pse;
1819
1820         ps_list_reset ();
1821
1822         /* Open the kvm interface, get a descriptor */
1823         kd = kvm_openfiles (NULL, "/dev/null", NULL, 0, errbuf);
1824         if (kd == NULL)
1825         {
1826                 ERROR ("processes plugin: Cannot open kvm interface: %s",
1827                                 errbuf);
1828                 return (0);
1829         }
1830
1831         /* Get the list of processes. */
1832         procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1833         if (procs == NULL)
1834         {
1835                 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1836                                 kvm_geterr(kd));
1837                 kvm_close (kd);
1838                 return (0);
1839         }
1840
1841         /* Iterate through the processes in kinfo_proc */
1842         for (i = 0; i < count; i++)
1843         {
1844                 /* Create only one process list entry per _process_, i.e.
1845                  * filter out threads (duplicate PID entries). */
1846                 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1847                 {
1848                         char cmdline[CMDLINE_BUFFER_SIZE] = "";
1849                         _Bool have_cmdline = 0;
1850
1851                         proc_ptr = &(procs[i]);
1852                         /* Don't probe system processes and processes without arguments */
1853                         if (((procs[i].ki_flag & P_SYSTEM) == 0)
1854                                         && (procs[i].ki_args != NULL))
1855                         {
1856                                 char **argv;
1857                                 int argc;
1858                                 int status;
1859
1860                                 /* retrieve the arguments */
1861                                 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1862                                 argc = 0;
1863                                 if ((argv != NULL) && (argv[0] != NULL))
1864                                 {
1865                                         while (argv[argc] != NULL)
1866                                                 argc++;
1867
1868                                         status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1869                                         if (status < 0)
1870                                                 WARNING ("processes plugin: Command line did not fit into buffer.");
1871                                         else
1872                                                 have_cmdline = 1;
1873                                 }
1874                         } /* if (process has argument list) */
1875
1876                         pse.id       = procs[i].ki_pid;
1877                         pse.age      = 0;
1878
1879                         pse.num_proc = 1;
1880                         pse.num_lwp  = procs[i].ki_numthreads;
1881
1882                         pse.vmem_size = procs[i].ki_size;
1883                         pse.vmem_rss = procs[i].ki_rssize * pagesize;
1884                         pse.vmem_data = procs[i].ki_dsize * pagesize;
1885                         pse.vmem_code = procs[i].ki_tsize * pagesize;
1886                         pse.stack_size = procs[i].ki_ssize * pagesize;
1887                         pse.vmem_minflt = 0;
1888                         pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1889                         pse.vmem_majflt = 0;
1890                         pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1891
1892                         pse.cpu_user = 0;
1893                         pse.cpu_system = 0;
1894                         pse.cpu_user_counter = 0;
1895                         pse.cpu_system_counter = 0;
1896                         /*
1897                          * The u-area might be swapped out, and we can't get
1898                          * at it because we have a crashdump and no swap.
1899                          * If it's here fill in these fields, otherwise, just
1900                          * leave them 0.
1901                          */
1902                         if (procs[i].ki_flag & P_INMEM)
1903                         {
1904                                 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
1905                                         + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
1906                                 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
1907                                         + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
1908                         }
1909
1910                         /* no I/O data */
1911                         pse.io_rchar = -1;
1912                         pse.io_wchar = -1;
1913                         pse.io_syscr = -1;
1914                         pse.io_syscw = -1;
1915
1916                         ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
1917
1918                         switch (procs[i].ki_stat)
1919                         {
1920                                 case SSTOP:     stopped++;      break;
1921                                 case SSLEEP:    sleeping++;     break;
1922                                 case SRUN:      running++;      break;
1923                                 case SIDL:      idle++;         break;
1924                                 case SWAIT:     wait++;         break;
1925                                 case SLOCK:     blocked++;      break;
1926                                 case SZOMB:     zombies++;      break;
1927                         }
1928                 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
1929         }
1930
1931         kvm_close(kd);
1932
1933         ps_submit_state ("running",  running);
1934         ps_submit_state ("sleeping", sleeping);
1935         ps_submit_state ("zombies",  zombies);
1936         ps_submit_state ("stopped",  stopped);
1937         ps_submit_state ("blocked",  blocked);
1938         ps_submit_state ("idle",     idle);
1939         ps_submit_state ("wait",     wait);
1940
1941         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1942                 ps_submit_proc_list (ps_ptr);
1943 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
1944
1945 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD
1946         int running  = 0;
1947         int sleeping = 0;
1948         int zombies  = 0;
1949         int stopped  = 0;
1950         int onproc   = 0;
1951         int idle     = 0;
1952         int dead     = 0;
1953
1954         kvm_t *kd;
1955         char errbuf[1024];
1956         struct kinfo_proc *procs;          /* array of processes */
1957         struct kinfo_proc *proc_ptr = NULL;
1958         int count;                         /* returns number of processes */
1959         int i;
1960
1961         procstat_t *ps_ptr;
1962         procstat_entry_t pse;
1963
1964         ps_list_reset ();
1965
1966         /* Open the kvm interface, get a descriptor */
1967         kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
1968         if (kd == NULL)
1969         {
1970                 ERROR ("processes plugin: Cannot open kvm interface: %s",
1971                                 errbuf);
1972                 return (0);
1973         }
1974
1975         /* Get the list of processes. */
1976         procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
1977         if (procs == NULL)
1978         {
1979                 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1980                                 kvm_geterr(kd));
1981                 kvm_close (kd);
1982                 return (0);
1983         }
1984
1985         /* Iterate through the processes in kinfo_proc */
1986         for (i = 0; i < count; i++)
1987         {
1988                 /* Create only one process list entry per _process_, i.e.
1989                  * filter out threads (duplicate PID entries). */
1990                 if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid))
1991                 {
1992                         char cmdline[CMDLINE_BUFFER_SIZE] = "";
1993                         _Bool have_cmdline = 0;
1994
1995                         proc_ptr = &(procs[i]);
1996                         /* Don't probe zombie processes  */
1997                         if (!P_ZOMBIE(proc_ptr))
1998                         {
1999                                 char **argv;
2000                                 int argc;
2001                                 int status;
2002
2003                                 /* retrieve the arguments */
2004                                 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
2005                                 argc = 0;
2006                                 if ((argv != NULL) && (argv[0] != NULL))
2007                                 {
2008                                         while (argv[argc] != NULL)
2009                                                 argc++;
2010
2011                                         status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
2012                                         if (status < 0)
2013                                                 WARNING ("processes plugin: Command line did not fit into buffer.");
2014                                         else
2015                                                 have_cmdline = 1;
2016                                 }
2017                         } /* if (process has argument list) */
2018
2019                         memset (&pse, 0, sizeof (pse));
2020                         pse.id       = procs[i].p_pid;
2021                         pse.age      = 0;
2022
2023                         pse.num_proc = 1;
2024                         pse.num_lwp  = 1; /* XXX: accumulate p_tid values for a single p_pid ? */
2025
2026                         pse.vmem_rss = procs[i].p_vm_rssize * pagesize;
2027                         pse.vmem_data = procs[i].p_vm_dsize * pagesize;
2028                         pse.vmem_code = procs[i].p_vm_tsize * pagesize;
2029                         pse.stack_size = procs[i].p_vm_ssize * pagesize;
2030                         pse.vmem_size = pse.stack_size + pse.vmem_code + pse.vmem_data;
2031                         pse.vmem_minflt = 0;
2032                         pse.vmem_minflt_counter = procs[i].p_uru_minflt;
2033                         pse.vmem_majflt = 0;
2034                         pse.vmem_majflt_counter = procs[i].p_uru_majflt;
2035
2036                         pse.cpu_user = 0;
2037                         pse.cpu_system = 0;
2038                         pse.cpu_user_counter = procs[i].p_uutime_usec +
2039                                                 (1000000lu * procs[i].p_uutime_sec);
2040                         pse.cpu_system_counter = procs[i].p_ustime_usec +
2041                                                 (1000000lu * procs[i].p_ustime_sec);
2042
2043                         /* no I/O data */
2044                         pse.io_rchar = -1;
2045                         pse.io_wchar = -1;
2046                         pse.io_syscr = -1;
2047                         pse.io_syscw = -1;
2048
2049                         pse.cswitch_vol = -1;
2050                         pse.cswitch_invol = -1;
2051
2052                         ps_list_add (procs[i].p_comm, have_cmdline ? cmdline : NULL, &pse);
2053
2054                         switch (procs[i].p_stat)
2055                         {
2056                                 case SSTOP:     stopped++;      break;
2057                                 case SSLEEP:    sleeping++;     break;
2058                                 case SRUN:      running++;      break;
2059                                 case SIDL:      idle++;         break;
2060                                 case SONPROC:   onproc++;       break;
2061                                 case SDEAD:     dead++;         break;
2062                                 case SZOMB:     zombies++;      break;
2063                         }
2064                 } /* if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) */
2065         }
2066
2067         kvm_close(kd);
2068
2069         ps_submit_state ("running",  running);
2070         ps_submit_state ("sleeping", sleeping);
2071         ps_submit_state ("zombies",  zombies);
2072         ps_submit_state ("stopped",  stopped);
2073         ps_submit_state ("onproc",   onproc);
2074         ps_submit_state ("idle",     idle);
2075         ps_submit_state ("dead",     dead);
2076
2077         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2078                 ps_submit_proc_list (ps_ptr);
2079 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD */
2080
2081 #elif HAVE_PROCINFO_H
2082         /* AIX */
2083         int running  = 0;
2084         int sleeping = 0;
2085         int zombies  = 0;
2086         int stopped  = 0;
2087         int paging   = 0;
2088         int blocked  = 0;
2089
2090         pid_t pindex = 0;
2091         int nprocs;
2092
2093         procstat_t *ps;
2094         procstat_entry_t pse;
2095
2096         ps_list_reset ();
2097         while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
2098                                         /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
2099                                         &pindex, MAXPROCENTRY)) > 0)
2100         {
2101                 int i;
2102
2103                 for (i = 0; i < nprocs; i++)
2104                 {
2105                         tid64_t thindex;
2106                         int nthreads;
2107                         char arglist[MAXARGLN+1];
2108                         char *cargs;
2109                         char *cmdline;
2110
2111                         if (procentry[i].pi_state == SNONE) continue;
2112                         /* if (procentry[i].pi_state == SZOMB)  FIXME */
2113
2114                         cmdline = procentry[i].pi_comm;
2115                         cargs = procentry[i].pi_comm;
2116                         if ( procentry[i].pi_flags & SKPROC )
2117                         {
2118                                 if (procentry[i].pi_pid == 0)
2119                                         cmdline = "swapper";
2120                                 cargs = cmdline;
2121                         }
2122                         else
2123                         {
2124                                 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
2125                                 {
2126                                         int n;
2127
2128                                         n = -1;
2129                                         while (++n < MAXARGLN)
2130                                         {
2131                                                 if (arglist[n] == '\0')
2132                                                 {
2133                                                         if (arglist[n+1] == '\0')
2134                                                                 break;
2135                                                         arglist[n] = ' ';
2136                                                 }
2137                                         }
2138                                         cargs = arglist;
2139                                 }
2140                         }
2141
2142                         pse.id       = procentry[i].pi_pid;
2143                         pse.age      = 0;
2144                         pse.num_lwp  = procentry[i].pi_thcount;
2145                         pse.num_proc = 1;
2146
2147                         thindex=0;
2148                         while ((nthreads = getthrds64(procentry[i].pi_pid,
2149                                                         thrdentry, sizeof(struct thrdentry64),
2150                                                         &thindex, MAXTHRDENTRY)) > 0)
2151                         {
2152                                 int j;
2153
2154                                 for (j=0; j< nthreads; j++)
2155                                 {
2156                                         switch (thrdentry[j].ti_state)
2157                                         {
2158                                                 /* case TSNONE: break; */
2159                                                 case TSIDL:     blocked++;      break; /* FIXME is really blocked */
2160                                                 case TSRUN:     running++;      break;
2161                                                 case TSSLEEP:   sleeping++;     break;
2162                                                 case TSSWAP:    paging++;       break;
2163                                                 case TSSTOP:    stopped++;      break;
2164                                                 case TSZOMB:    zombies++;      break;
2165                                         }
2166                                 }
2167                                 if (nthreads < MAXTHRDENTRY)
2168                                         break;
2169                         }
2170
2171                         pse.cpu_user = 0;
2172                         /* tv_usec is nanosec ??? */
2173                         pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2174                                 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2175
2176                         pse.cpu_system = 0;
2177                         /* tv_usec is nanosec ??? */
2178                         pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2179                                 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2180
2181                         pse.vmem_minflt = 0;
2182                         pse.vmem_minflt_counter = procentry[i].pi_minflt;
2183                         pse.vmem_majflt = 0;
2184                         pse.vmem_majflt_counter = procentry[i].pi_majflt;
2185
2186                         pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2187                         pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2188                         /* Not supported */
2189                         pse.vmem_data = 0;
2190                         pse.vmem_code = 0;
2191                         pse.stack_size =  0;
2192
2193                         pse.io_rchar = -1;
2194                         pse.io_wchar = -1;
2195                         pse.io_syscr = -1;
2196                         pse.io_syscw = -1;
2197
2198                         ps_list_add (cmdline, cargs, &pse);
2199                 } /* for (i = 0 .. nprocs) */
2200
2201                 if (nprocs < MAXPROCENTRY)
2202                         break;
2203         } /* while (getprocs64() > 0) */
2204         ps_submit_state ("running",  running);
2205         ps_submit_state ("sleeping", sleeping);
2206         ps_submit_state ("zombies",  zombies);
2207         ps_submit_state ("stopped",  stopped);
2208         ps_submit_state ("paging",   paging);
2209         ps_submit_state ("blocked",  blocked);
2210
2211         for (ps = list_head_g; ps != NULL; ps = ps->next)
2212                 ps_submit_proc_list (ps);
2213 /* #endif HAVE_PROCINFO_H */
2214
2215 #elif KERNEL_SOLARIS
2216         /*
2217          * The Solaris section adds a few more process states and removes some
2218          * process states compared to linux. Most notably there is no "PAGING"
2219          * and "BLOCKED" state for a process.  The rest is similar to the linux
2220          * code.
2221          */
2222         int running = 0;
2223         int sleeping = 0;
2224         int zombies = 0;
2225         int stopped = 0;
2226         int detached = 0;
2227         int daemon = 0;
2228         int system = 0;
2229         int orphan = 0;
2230
2231         struct dirent *ent;
2232         DIR *proc;
2233
2234         int status;
2235         procstat_t *ps_ptr;
2236         char state;
2237
2238         char cmdline[PRARGSZ];
2239
2240         ps_list_reset ();
2241
2242         proc = opendir ("/proc");
2243         if (proc == NULL)
2244                 return (-1);
2245
2246         while ((ent = readdir(proc)) != NULL)
2247         {
2248                 long pid;
2249                 struct procstat ps;
2250                 procstat_entry_t pse;
2251                 char *endptr;
2252
2253                 if (!isdigit ((int) ent->d_name[0]))
2254                         continue;
2255
2256                 pid = strtol (ent->d_name, &endptr, 10);
2257                 if (*endptr != 0) /* value didn't completely parse as a number */
2258                         continue;
2259
2260                 status = ps_read_process (pid, &ps, &state);
2261                 if (status != 0)
2262                 {
2263                         DEBUG("ps_read_process failed: %i", status);
2264                         continue;
2265                 }
2266
2267                 memset (&pse, 0, sizeof (pse));
2268                 pse.id = pid;
2269                 pse.age = 0;
2270
2271                 pse.num_proc   = ps.num_proc;
2272                 pse.num_lwp    = ps.num_lwp;
2273                 pse.vmem_size  = ps.vmem_size;
2274                 pse.vmem_rss   = ps.vmem_rss;
2275                 pse.vmem_data  = ps.vmem_data;
2276                 pse.vmem_code  = ps.vmem_code;
2277                 pse.stack_size = ps.stack_size;
2278
2279                 pse.vmem_minflt = 0;
2280                 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2281                 pse.vmem_majflt = 0;
2282                 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2283
2284                 pse.cpu_user = 0;
2285                 pse.cpu_user_counter = ps.cpu_user_counter;
2286                 pse.cpu_system = 0;
2287                 pse.cpu_system_counter = ps.cpu_system_counter;
2288
2289                 pse.io_rchar = ps.io_rchar;
2290                 pse.io_wchar = ps.io_wchar;
2291                 pse.io_syscr = ps.io_syscr;
2292                 pse.io_syscw = ps.io_syscw;
2293
2294                 pse.cswitch_vol = -1;
2295                 pse.cswitch_invol = -1;
2296
2297                 switch (state)
2298                 {
2299                         case 'R': running++;  break;
2300                         case 'S': sleeping++; break;
2301                         case 'E': detached++; break;
2302                         case 'Z': zombies++;  break;
2303                         case 'T': stopped++;  break;
2304                         case 'A': daemon++;   break;
2305                         case 'Y': system++;   break;
2306                         case 'O': orphan++;   break;
2307                 }
2308
2309
2310                 ps_list_add (ps.name,
2311                                 ps_get_cmdline (pid, cmdline, sizeof (cmdline)),
2312                                 &pse);
2313         } /* while(readdir) */
2314         closedir (proc);
2315
2316         ps_submit_state ("running",  running);
2317         ps_submit_state ("sleeping", sleeping);
2318         ps_submit_state ("zombies",  zombies);
2319         ps_submit_state ("stopped",  stopped);
2320         ps_submit_state ("detached", detached);
2321         ps_submit_state ("daemon",   daemon);
2322         ps_submit_state ("system",   system);
2323         ps_submit_state ("orphan",   orphan);
2324
2325         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2326                 ps_submit_proc_list (ps_ptr);
2327
2328         read_fork_rate();
2329 #endif /* KERNEL_SOLARIS */
2330
2331         return (0);
2332 } /* int ps_read */
2333
2334 void module_register (void)
2335 {
2336         plugin_register_complex_config ("processes", ps_config);
2337         plugin_register_init ("processes", ps_init);
2338         plugin_register_read ("processes", ps_read);
2339 } /* void module_register */