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