Code

Merge branch 'collectd-5.0'
[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  *
11  * This program is free software; you can redistribute it and/or modify it
12  * under the terms of the GNU General Public License as published by the
13  * Free Software Foundation; either version 2 of the License, or (at your
14  * option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful, but
17  * WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
19  * General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License along
22  * with this program; if not, write to the Free Software Foundation, Inc.,
23  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
24  *
25  * Authors:
26  *   Lyonel Vincent <lyonel at ezix.org>
27  *   Florian octo Forster <octo at verplant.org>
28  *   Oleg King <king2 at kaluga.ru>
29  *   Sebastian Harl <sh at tokkee.org>
30  *   Andrés J. Díaz <ajdiaz at connectical.com>
31  *   Manuel Sanmartin
32  *   Clément Stenac <clement.stenac at diwi.org>
33  **/
35 #include "collectd.h"
36 #include "common.h"
37 #include "plugin.h"
38 #include "configfile.h"
40 /* Include header files for the mach system, if they exist.. */
41 #if HAVE_THREAD_INFO
42 #  if HAVE_MACH_MACH_INIT_H
43 #    include <mach/mach_init.h>
44 #  endif
45 #  if HAVE_MACH_HOST_PRIV_H
46 #    include <mach/host_priv.h>
47 #  endif
48 #  if HAVE_MACH_MACH_ERROR_H
49 #    include <mach/mach_error.h>
50 #  endif
51 #  if HAVE_MACH_MACH_HOST_H
52 #    include <mach/mach_host.h>
53 #  endif
54 #  if HAVE_MACH_MACH_PORT_H
55 #    include <mach/mach_port.h>
56 #  endif
57 #  if HAVE_MACH_MACH_TYPES_H
58 #    include <mach/mach_types.h>
59 #  endif
60 #  if HAVE_MACH_MESSAGE_H
61 #    include <mach/message.h>
62 #  endif
63 #  if HAVE_MACH_PROCESSOR_SET_H
64 #    include <mach/processor_set.h>
65 #  endif
66 #  if HAVE_MACH_TASK_H
67 #    include <mach/task.h>
68 #  endif
69 #  if HAVE_MACH_THREAD_ACT_H
70 #    include <mach/thread_act.h>
71 #  endif
72 #  if HAVE_MACH_VM_REGION_H
73 #    include <mach/vm_region.h>
74 #  endif
75 #  if HAVE_MACH_VM_MAP_H
76 #    include <mach/vm_map.h>
77 #  endif
78 #  if HAVE_MACH_VM_PROT_H
79 #    include <mach/vm_prot.h>
80 #  endif
81 #  if HAVE_SYS_SYSCTL_H
82 #    include <sys/sysctl.h>
83 #  endif
84 /* #endif HAVE_THREAD_INFO */
86 #elif KERNEL_LINUX
87 #  if HAVE_LINUX_CONFIG_H
88 #    include <linux/config.h>
89 #  endif
90 #  ifndef CONFIG_HZ
91 #    define CONFIG_HZ 100
92 #  endif
93 /* #endif KERNEL_LINUX */
95 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
96 #  include <kvm.h>
97 #  include <sys/param.h>
98 #  include <sys/sysctl.h>
99 #  include <sys/user.h>
100 #  include <sys/proc.h>
101 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
103 #elif HAVE_PROCINFO_H
104 #  include <procinfo.h>
105 #  include <sys/types.h>
107 #define MAXPROCENTRY 32
108 #define MAXTHRDENTRY 16
109 #define MAXARGLN 1024
110 /* #endif HAVE_PROCINFO_H */
112 #else
113 # error "No applicable input method."
114 #endif
116 #if HAVE_REGEX_H
117 # include <regex.h>
118 #endif
120 #ifndef ARG_MAX
121 #  define ARG_MAX 4096
122 #endif
124 static const char *config_keys[] =
126         "Process",
127         "ProcessMatch"
128 };
129 static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
131 typedef struct procstat_entry_s
133         unsigned long id;
134         unsigned long age;
136         unsigned long num_proc;
137         unsigned long num_lwp;
138         unsigned long vmem_size;
139         unsigned long vmem_rss;
140         unsigned long vmem_data;
141         unsigned long vmem_code;
142         unsigned long stack_size;
144         unsigned long vmem_minflt;
145         unsigned long vmem_majflt;
146         derive_t      vmem_minflt_counter;
147         derive_t      vmem_majflt_counter;
149         unsigned long cpu_user;
150         unsigned long cpu_system;
151         derive_t      cpu_user_counter;
152         derive_t      cpu_system_counter;
154         /* io data */
155         derive_t io_rchar;
156         derive_t io_wchar;
157         derive_t io_syscr;
158         derive_t io_syscw;
160         struct procstat_entry_s *next;
161 } procstat_entry_t;
163 #define PROCSTAT_NAME_LEN 256
164 typedef struct procstat
166         char          name[PROCSTAT_NAME_LEN];
167 #if HAVE_REGEX_H
168         regex_t *re;
169 #endif
171         unsigned long num_proc;
172         unsigned long num_lwp;
173         unsigned long vmem_size;
174         unsigned long vmem_rss;
175         unsigned long vmem_data;
176         unsigned long vmem_code;
177         unsigned long stack_size;
179         derive_t vmem_minflt_counter;
180         derive_t vmem_majflt_counter;
182         derive_t cpu_user_counter;
183         derive_t cpu_system_counter;
185         /* io data */
186         derive_t io_rchar;
187         derive_t io_wchar;
188         derive_t io_syscr;
189         derive_t io_syscw;
191         struct procstat   *next;
192         struct procstat_entry_s *instances;
193 } procstat_t;
195 static procstat_t *list_head_g = NULL;
197 #if HAVE_THREAD_INFO
198 static mach_port_t port_host_self;
199 static mach_port_t port_task_self;
201 static processor_set_name_array_t pset_list;
202 static mach_msg_type_number_t     pset_list_len;
203 /* #endif HAVE_THREAD_INFO */
205 #elif KERNEL_LINUX
206 static long pagesize_g;
207 /* #endif KERNEL_LINUX */
209 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
210 /* no global variables */
211 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
213 #elif HAVE_PROCINFO_H
214 static  struct procentry64 procentry[MAXPROCENTRY];
215 static  struct thrdentry64 thrdentry[MAXTHRDENTRY];
216 static int pagesize;
218 #ifndef _AIXVERSION_610
219 int     getprocs64 (void *procsinfo, int sizproc, void *fdsinfo, int sizfd, pid_t *index, int count);
220 int     getthrds64( pid_t, void *, int, tid64_t *, int );
221 #endif
222 int getargs (struct procentry64 *processBuffer, int bufferLen, char *argsBuffer, int argsLen);
223 #endif /* HAVE_PROCINFO_H */
225 /* put name of process from config to list_head_g tree
226    list_head_g is a list of 'procstat_t' structs with
227    processes names we want to watch */
228 static void ps_list_register (const char *name, const char *regexp)
230         procstat_t *new;
231         procstat_t *ptr;
232         int status;
234         new = (procstat_t *) malloc (sizeof (procstat_t));
235         if (new == NULL)
236         {
237                 ERROR ("processes plugin: ps_list_register: malloc failed.");
238                 return;
239         }
240         memset (new, 0, sizeof (procstat_t));
241         sstrncpy (new->name, name, sizeof (new->name));
243 #if HAVE_REGEX_H
244         if (regexp != NULL)
245         {
246                 DEBUG ("ProcessMatch: adding \"%s\" as criteria to process %s.", regexp, name);
247                 new->re = (regex_t *) malloc (sizeof (regex_t));
248                 if (new->re == NULL)
249                 {
250                         ERROR ("processes plugin: ps_list_register: malloc failed.");
251                         sfree (new);
252                         return;
253                 }
255                 status = regcomp (new->re, regexp, REG_EXTENDED | REG_NOSUB);
256                 if (status != 0)
257                 {
258                         DEBUG ("ProcessMatch: compiling the regular expression \"%s\" failed.", regexp);
259                         sfree(new->re);
260                         return;
261                 }
262         }
263 #else
264         if (regexp != NULL)
265         {
266                 ERROR ("processes plugin: ps_list_register: "
267                                 "Regular expression \"%s\" found in config "
268                                 "file, but support for regular expressions "
269                                 "has been disabled at compile time.",
270                                 regexp);
271                 sfree (new);
272                 return;
273         }
274 #endif
276         for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
277         {
278                 if (strcmp (ptr->name, name) == 0)
279                 {
280                         WARNING ("processes plugin: You have configured more "
281                                         "than one `Process' or "
282                                         "`ProcessMatch' with the same name. "
283                                         "All but the first setting will be "
284                                         "ignored.");
285                         sfree (new->re);
286                         sfree (new);
287                         return;
288                 }
290                 if (ptr->next == NULL)
291                         break;
292         }
294         if (ptr == NULL)
295                 list_head_g = new;
296         else
297                 ptr->next = new;
298 } /* void ps_list_register */
300 /* try to match name against entry, returns 1 if success */
301 static int ps_list_match (const char *name, const char *cmdline, procstat_t *ps)
303 #if HAVE_REGEX_H
304         if (ps->re != NULL)
305         {
306                 int status;
307                 const char *str;
309                 str = cmdline;
310                 if ((str == NULL) || (str[0] == 0))
311                         str = name;
313                 assert (str != NULL);
315                 status = regexec (ps->re, str,
316                                 /* nmatch = */ 0,
317                                 /* pmatch = */ NULL,
318                                 /* eflags = */ 0);
319                 if (status == 0)
320                         return (1);
321         }
322         else
323 #endif
324         if (strcmp (ps->name, name) == 0)
325                 return (1);
327         return (0);
328 } /* int ps_list_match */
330 /* add process entry to 'instances' of process 'name' (or refresh it) */
331 static void ps_list_add (const char *name, const char *cmdline, procstat_entry_t *entry)
333         procstat_t *ps;
334         procstat_entry_t *pse;
336         if (entry->id == 0)
337                 return;
339         for (ps = list_head_g; ps != NULL; ps = ps->next)
340         {
341                 if ((ps_list_match (name, cmdline, ps)) == 0)
342                         continue;
344                 for (pse = ps->instances; pse != NULL; pse = pse->next)
345                         if ((pse->id == entry->id) || (pse->next == NULL))
346                                 break;
348                 if ((pse == NULL) || (pse->id != entry->id))
349                 {
350                         procstat_entry_t *new;
352                         new = (procstat_entry_t *) malloc (sizeof (procstat_entry_t));
353                         if (new == NULL)
354                                 return;
355                         memset (new, 0, sizeof (procstat_entry_t));
356                         new->id = entry->id;
358                         if (pse == NULL)
359                                 ps->instances = new;
360                         else
361                                 pse->next = new;
363                         pse = new;
364                 }
366                 pse->age = 0;
367                 pse->num_proc   = entry->num_proc;
368                 pse->num_lwp    = entry->num_lwp;
369                 pse->vmem_size  = entry->vmem_size;
370                 pse->vmem_rss   = entry->vmem_rss;
371                 pse->vmem_data  = entry->vmem_data;
372                 pse->vmem_code  = entry->vmem_code;
373                 pse->stack_size = entry->stack_size;
374                 pse->io_rchar   = entry->io_rchar;
375                 pse->io_wchar   = entry->io_wchar;
376                 pse->io_syscr   = entry->io_syscr;
377                 pse->io_syscw   = entry->io_syscw;
379                 ps->num_proc   += pse->num_proc;
380                 ps->num_lwp    += pse->num_lwp;
381                 ps->vmem_size  += pse->vmem_size;
382                 ps->vmem_rss   += pse->vmem_rss;
383                 ps->vmem_data  += pse->vmem_data;
384                 ps->vmem_code  += pse->vmem_code;
385                 ps->stack_size += pse->stack_size;
387                 ps->io_rchar   += ((pse->io_rchar == -1)?0:pse->io_rchar);
388                 ps->io_wchar   += ((pse->io_wchar == -1)?0:pse->io_wchar);
389                 ps->io_syscr   += ((pse->io_syscr == -1)?0:pse->io_syscr);
390                 ps->io_syscw   += ((pse->io_syscw == -1)?0:pse->io_syscw);
392                 if ((entry->vmem_minflt_counter == 0)
393                                 && (entry->vmem_majflt_counter == 0))
394                 {
395                         pse->vmem_minflt_counter += entry->vmem_minflt;
396                         pse->vmem_minflt = entry->vmem_minflt;
398                         pse->vmem_majflt_counter += entry->vmem_majflt;
399                         pse->vmem_majflt = entry->vmem_majflt;
400                 }
401                 else
402                 {
403                         if (entry->vmem_minflt_counter < pse->vmem_minflt_counter)
404                         {
405                                 pse->vmem_minflt = entry->vmem_minflt_counter
406                                         + (ULONG_MAX - pse->vmem_minflt_counter);
407                         }
408                         else
409                         {
410                                 pse->vmem_minflt = entry->vmem_minflt_counter - pse->vmem_minflt_counter;
411                         }
412                         pse->vmem_minflt_counter = entry->vmem_minflt_counter;
414                         if (entry->vmem_majflt_counter < pse->vmem_majflt_counter)
415                         {
416                                 pse->vmem_majflt = entry->vmem_majflt_counter
417                                         + (ULONG_MAX - pse->vmem_majflt_counter);
418                         }
419                         else
420                         {
421                                 pse->vmem_majflt = entry->vmem_majflt_counter - pse->vmem_majflt_counter;
422                         }
423                         pse->vmem_majflt_counter = entry->vmem_majflt_counter;
424                 }
426                 ps->vmem_minflt_counter += pse->vmem_minflt;
427                 ps->vmem_majflt_counter += pse->vmem_majflt;
429                 if ((entry->cpu_user_counter == 0)
430                                 && (entry->cpu_system_counter == 0))
431                 {
432                         pse->cpu_user_counter += entry->cpu_user;
433                         pse->cpu_user = entry->cpu_user;
435                         pse->cpu_system_counter += entry->cpu_system;
436                         pse->cpu_system = entry->cpu_system;
437                 }
438                 else
439                 {
440                         if (entry->cpu_user_counter < pse->cpu_user_counter)
441                         {
442                                 pse->cpu_user = entry->cpu_user_counter
443                                         + (ULONG_MAX - pse->cpu_user_counter);
444                         }
445                         else
446                         {
447                                 pse->cpu_user = entry->cpu_user_counter - pse->cpu_user_counter;
448                         }
449                         pse->cpu_user_counter = entry->cpu_user_counter;
451                         if (entry->cpu_system_counter < pse->cpu_system_counter)
452                         {
453                                 pse->cpu_system = entry->cpu_system_counter
454                                         + (ULONG_MAX - pse->cpu_system_counter);
455                         }
456                         else
457                         {
458                                 pse->cpu_system = entry->cpu_system_counter - pse->cpu_system_counter;
459                         }
460                         pse->cpu_system_counter = entry->cpu_system_counter;
461                 }
463                 ps->cpu_user_counter   += pse->cpu_user;
464                 ps->cpu_system_counter += pse->cpu_system;
465         }
468 /* remove old entries from instances of processes in list_head_g */
469 static void ps_list_reset (void)
471         procstat_t *ps;
472         procstat_entry_t *pse;
473         procstat_entry_t *pse_prev;
475         for (ps = list_head_g; ps != NULL; ps = ps->next)
476         {
477                 ps->num_proc    = 0;
478                 ps->num_lwp     = 0;
479                 ps->vmem_size   = 0;
480                 ps->vmem_rss    = 0;
481                 ps->vmem_data   = 0;
482                 ps->vmem_code   = 0;
483                 ps->stack_size  = 0;
484                 ps->io_rchar = -1;
485                 ps->io_wchar = -1;
486                 ps->io_syscr = -1;
487                 ps->io_syscw = -1;
489                 pse_prev = NULL;
490                 pse = ps->instances;
491                 while (pse != NULL)
492                 {
493                         if (pse->age > 10)
494                         {
495                                 DEBUG ("Removing this procstat entry cause it's too old: "
496                                                 "id = %lu; name = %s;",
497                                                 pse->id, ps->name);
499                                 if (pse_prev == NULL)
500                                 {
501                                         ps->instances = pse->next;
502                                         free (pse);
503                                         pse = ps->instances;
504                                 }
505                                 else
506                                 {
507                                         pse_prev->next = pse->next;
508                                         free (pse);
509                                         pse = pse_prev->next;
510                                 }
511                         }
512                         else
513                         {
514                                 pse->age++;
515                                 pse_prev = pse;
516                                 pse = pse->next;
517                         }
518                 } /* while (pse != NULL) */
519         } /* for (ps = list_head_g; ps != NULL; ps = ps->next) */
522 /* put all pre-defined 'Process' names from config to list_head_g tree */
523 static int ps_config (const char *key, const char *value)
525         if (strcasecmp (key, "Process") == 0)
526         {
527                 ps_list_register (value, NULL);
528         }
529         else if (strcasecmp (key, "ProcessMatch") == 0)
530         {
531                 char *new_val;
532                 char *fields[3];
533                 int fields_num;
535                 new_val = strdup (value);
536                 if (new_val == NULL) {
537                         ERROR ("processes plugin: strdup failed when processing "
538                                         "`ProcessMatch %s'.", value);
539                         return (1);
540                 }
542                 fields_num = strsplit (new_val, fields,
543                                 STATIC_ARRAY_SIZE (fields));
544                 if (fields_num != 2)
545                 {
546                         ERROR ("processes plugin: `ProcessMatch' needs exactly "
547                                         "two string arguments.");
548                         sfree (new_val);
549                         return (1);
550                 }
551                 ps_list_register (fields[0], fields[1]);
552                 sfree (new_val);
553         }
554         else
555         {
556                 ERROR ("processes plugin: The `%s' configuration option is not "
557                                 "understood and will be ignored.", key);
558                 return (-1);
559         }
561         return (0);
564 static int ps_init (void)
566 #if HAVE_THREAD_INFO
567         kern_return_t status;
569         port_host_self = mach_host_self ();
570         port_task_self = mach_task_self ();
572         if (pset_list != NULL)
573         {
574                 vm_deallocate (port_task_self,
575                                 (vm_address_t) pset_list,
576                                 pset_list_len * sizeof (processor_set_t));
577                 pset_list = NULL;
578                 pset_list_len = 0;
579         }
581         if ((status = host_processor_sets (port_host_self,
582                                         &pset_list,
583                                         &pset_list_len)) != KERN_SUCCESS)
584         {
585                 ERROR ("host_processor_sets failed: %s\n",
586                                 mach_error_string (status));
587                 pset_list = NULL;
588                 pset_list_len = 0;
589                 return (-1);
590         }
591 /* #endif HAVE_THREAD_INFO */
593 #elif KERNEL_LINUX
594         pagesize_g = sysconf(_SC_PAGESIZE);
595         DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
596                         pagesize_g, CONFIG_HZ);
597 /* #endif KERNEL_LINUX */
599 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
600 /* no initialization */
601 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
603 #elif HAVE_PROCINFO_H
604         pagesize = getpagesize();
605 #endif /* HAVE_PROCINFO_H */
607         return (0);
608 } /* int ps_init */
610 /* submit global state (e.g.: qty of zombies, running, etc..) */
611 static void ps_submit_state (const char *state, double value)
613         value_t values[1];
614         value_list_t vl = VALUE_LIST_INIT;
616         values[0].gauge = value;
618         vl.values = values;
619         vl.values_len = 1;
620         sstrncpy (vl.host, hostname_g, sizeof (vl.host));
621         sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
622         sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
623         sstrncpy (vl.type, "ps_state", sizeof (vl.type));
624         sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
626         plugin_dispatch_values (&vl);
629 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
630 static void ps_submit_proc_list (procstat_t *ps)
632         value_t values[2];
633         value_list_t vl = VALUE_LIST_INIT;
635         vl.values = values;
636         vl.values_len = 2;
637         sstrncpy (vl.host, hostname_g, sizeof (vl.host));
638         sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
639         sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
641         sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
642         vl.values[0].gauge = ps->vmem_size;
643         vl.values_len = 1;
644         plugin_dispatch_values (&vl);
646         sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
647         vl.values[0].gauge = ps->vmem_rss;
648         vl.values_len = 1;
649         plugin_dispatch_values (&vl);
651         sstrncpy (vl.type, "ps_data", sizeof (vl.type));
652         vl.values[0].gauge = ps->vmem_data;
653         vl.values_len = 1;
654         plugin_dispatch_values (&vl);
656         sstrncpy (vl.type, "ps_code", sizeof (vl.type));
657         vl.values[0].gauge = ps->vmem_code;
658         vl.values_len = 1;
659         plugin_dispatch_values (&vl);
661         sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
662         vl.values[0].gauge = ps->stack_size;
663         vl.values_len = 1;
664         plugin_dispatch_values (&vl);
666         sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
667         vl.values[0].derive = ps->cpu_user_counter;
668         vl.values[1].derive = ps->cpu_system_counter;
669         vl.values_len = 2;
670         plugin_dispatch_values (&vl);
672         sstrncpy (vl.type, "ps_count", sizeof (vl.type));
673         vl.values[0].gauge = ps->num_proc;
674         vl.values[1].gauge = ps->num_lwp;
675         vl.values_len = 2;
676         plugin_dispatch_values (&vl);
678         sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
679         vl.values[0].derive = ps->vmem_minflt_counter;
680         vl.values[1].derive = ps->vmem_majflt_counter;
681         vl.values_len = 2;
682         plugin_dispatch_values (&vl);
684         if ( (ps->io_rchar != -1) && (ps->io_wchar != -1) )
685         {
686                 sstrncpy (vl.type, "ps_disk_octets", sizeof (vl.type));
687                 vl.values[0].derive = ps->io_rchar;
688                 vl.values[1].derive = ps->io_wchar;
689                 vl.values_len = 2;
690                 plugin_dispatch_values (&vl);
691         }
693         if ( (ps->io_syscr != -1) && (ps->io_syscw != -1) )
694         {
695                 sstrncpy (vl.type, "ps_disk_ops", sizeof (vl.type));
696                 vl.values[0].derive = ps->io_syscr;
697                 vl.values[1].derive = ps->io_syscw;
698                 vl.values_len = 2;
699                 plugin_dispatch_values (&vl);
700         }
702         DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
703                         "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
704                         "vmem_code = %lu; "
705                         "vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
706                         "cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
707                         "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
708                         "io_syscr = %"PRIi64"; io_syscw = %"PRIi64";",
709                         ps->name, ps->num_proc, ps->num_lwp,
710                         ps->vmem_size, ps->vmem_rss,
711                         ps->vmem_data, ps->vmem_code,
712                         ps->vmem_minflt_counter, ps->vmem_majflt_counter,
713                         ps->cpu_user_counter, ps->cpu_system_counter,
714                         ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw);
715 } /* void ps_submit_proc_list */
717 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
718 #if KERNEL_LINUX
719 static int ps_read_tasks (int pid)
721         char           dirname[64];
722         DIR           *dh;
723         struct dirent *ent;
724         int count = 0;
726         ssnprintf (dirname, sizeof (dirname), "/proc/%i/task", pid);
728         if ((dh = opendir (dirname)) == NULL)
729         {
730                 DEBUG ("Failed to open directory `%s'", dirname);
731                 return (-1);
732         }
734         while ((ent = readdir (dh)) != NULL)
735         {
736                 if (!isdigit ((int) ent->d_name[0]))
737                         continue;
738                 else
739                         count++;
740         }
741         closedir (dh);
743         return ((count >= 1) ? count : 1);
744 } /* int *ps_read_tasks */
746 /* Read advanced virtual memory data from /proc/pid/status */
747 static procstat_t *ps_read_vmem (int pid, procstat_t *ps)
749         FILE *fh;
750         char buffer[1024];
751         char filename[64];
752         unsigned long long lib = 0;
753         unsigned long long exe = 0;
754         unsigned long long data = 0;
755         char *fields[8];
756         int numfields;
758         ssnprintf (filename, sizeof (filename), "/proc/%i/status", pid);
759         if ((fh = fopen (filename, "r")) == NULL)
760                 return (NULL);
762         while (fgets (buffer, sizeof(buffer), fh) != NULL)
763         {
764                 long long tmp;
765                 char *endptr;
767                 if (strncmp (buffer, "Vm", 2) != 0)
768                         continue;
770                 numfields = strsplit (buffer, fields,
771                                       STATIC_ARRAY_SIZE (fields));
773                 if (numfields < 2)
774                         continue;
776                 errno = 0;
777                 endptr = NULL;
778                 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
779                 if ((errno == 0) && (endptr != fields[1]))
780                 {
781                         if (strncmp (buffer, "VmData", 6) == 0) 
782                         {
783                                 data = tmp;
784                         }
785                         else if (strncmp (buffer, "VmLib", 5) == 0)
786                         {
787                                 lib = tmp;
788                         }
789                         else if  (strncmp(buffer, "VmExe", 5) == 0)
790                         {
791                                 exe = tmp;
792                         }
793                 }
794         } /* while (fgets) */
796         if (fclose (fh))
797         {
798                 char errbuf[1024];
799                 WARNING ("processes: fclose: %s",
800                                 sstrerror (errno, errbuf, sizeof (errbuf)));
801         }
803         ps->vmem_data = data * 1024;
804         ps->vmem_code = (exe + lib) * 1024;
806         return (ps);
807 } /* procstat_t *ps_read_vmem */
809 static procstat_t *ps_read_io (int pid, procstat_t *ps)
811         FILE *fh;
812         char buffer[1024];
813         char filename[64];
815         char *fields[8];
816         int numfields;
818         ssnprintf (filename, sizeof (filename), "/proc/%i/io", pid);
819         if ((fh = fopen (filename, "r")) == NULL)
820                 return (NULL);
822         while (fgets (buffer, sizeof (buffer), fh) != NULL)
823         {
824                 derive_t *val = NULL;
825                 long long tmp;
826                 char *endptr;
828                 if (strncasecmp (buffer, "rchar:", 6) == 0)
829                         val = &(ps->io_rchar);
830                 else if (strncasecmp (buffer, "wchar:", 6) == 0)
831                         val = &(ps->io_wchar);
832                 else if (strncasecmp (buffer, "syscr:", 6) == 0)
833                         val = &(ps->io_syscr);
834                 else if (strncasecmp (buffer, "syscw:", 6) == 0)
835                         val = &(ps->io_syscw);
836                 else
837                         continue;
839                 numfields = strsplit (buffer, fields,
840                                 STATIC_ARRAY_SIZE (fields));
842                 if (numfields < 2)
843                         continue;
845                 errno = 0;
846                 endptr = NULL;
847                 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
848                 if ((errno != 0) || (endptr == fields[1]))
849                         *val = -1;
850                 else
851                         *val = (derive_t) tmp;
852         } /* while (fgets) */
854         if (fclose (fh))
855         {
856                 char errbuf[1024];
857                 WARNING ("processes: fclose: %s",
858                                 sstrerror (errno, errbuf, sizeof (errbuf)));
859         }
861         return (ps);
862 } /* procstat_t *ps_read_io */
864 int ps_read_process (int pid, procstat_t *ps, char *state)
866         char  filename[64];
867         char  buffer[1024];
869         char *fields[64];
870         char  fields_len;
872         int   i;
874         int   name_len;
876         derive_t cpu_user_counter;
877         derive_t cpu_system_counter;
878         long long unsigned vmem_size;
879         long long unsigned vmem_rss;
880         long long unsigned stack_size;
882         memset (ps, 0, sizeof (procstat_t));
884         ssnprintf (filename, sizeof (filename), "/proc/%i/stat", pid);
886         i = read_file_contents (filename, buffer, sizeof(buffer) - 1);
887         if (i <= 0)
888                 return (-1);
889         buffer[i] = 0;
891         fields_len = strsplit (buffer, fields, STATIC_ARRAY_SIZE (fields));
892         if (fields_len < 24)
893         {
894                 DEBUG ("processes plugin: ps_read_process (pid = %i):"
895                                 " `%s' has only %i fields..",
896                                 (int) pid, filename, fields_len);
897                 return (-1);
898         }
900         /* copy the name, strip brackets in the process */
901         name_len = strlen (fields[1]) - 2;
902         if ((fields[1][0] != '(') || (fields[1][name_len + 1] != ')'))
903         {
904                 DEBUG ("No brackets found in process name: `%s'", fields[1]);
905                 return (-1);
906         }
907         fields[1] = fields[1] + 1;
908         fields[1][name_len] = '\0';
909         strncpy (ps->name, fields[1], PROCSTAT_NAME_LEN);
912         *state = fields[2][0];
914         if (*state == 'Z')
915         {
916                 ps->num_lwp  = 0;
917                 ps->num_proc = 0;
918         }
919         else
920         {
921                 if ( (ps->num_lwp = ps_read_tasks (pid)) == -1 )
922                 {
923                         /* returns -1 => kernel 2.4 */
924                         ps->num_lwp = 1;
925                 }
926                 ps->num_proc = 1;
927         }
929         /* Leave the rest at zero if this is only a zombi */
930         if (ps->num_proc == 0)
931         {
932                 DEBUG ("processes plugin: This is only a zombi: pid = %i; "
933                                 "name = %s;", pid, ps->name);
934                 return (0);
935         }
937         cpu_user_counter   = atoll (fields[13]);
938         cpu_system_counter = atoll (fields[14]);
939         vmem_size          = atoll (fields[22]);
940         vmem_rss           = atoll (fields[23]);
941         ps->vmem_minflt_counter = atoll (fields[9]);
942         ps->vmem_majflt_counter = atoll (fields[11]);
944         {
945                 unsigned long long stack_start = atoll (fields[27]);
946                 unsigned long long stack_ptr   = atoll (fields[28]);
948                 stack_size = (stack_start > stack_ptr)
949                         ? stack_start - stack_ptr
950                         : stack_ptr - stack_start;
951         }
953         /* Convert jiffies to useconds */
954         cpu_user_counter   = cpu_user_counter   * 1000000 / CONFIG_HZ;
955         cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
956         vmem_rss = vmem_rss * pagesize_g;
958         if ( (ps_read_vmem(pid, ps)) == NULL)
959         {
960                 /* No VMem data */
961                 ps->vmem_data = -1;
962                 ps->vmem_code = -1;
963                 DEBUG("ps_read_process: did not get vmem data for pid %i",pid);
964         }
966         ps->cpu_user_counter = cpu_user_counter;
967         ps->cpu_system_counter = cpu_system_counter;
968         ps->vmem_size = (unsigned long) vmem_size;
969         ps->vmem_rss = (unsigned long) vmem_rss;
970         ps->stack_size = (unsigned long) stack_size;
972         if ( (ps_read_io (pid, ps)) == NULL)
973         {
974                 /* no io data */
975                 ps->io_rchar = -1;
976                 ps->io_wchar = -1;
977                 ps->io_syscr = -1;
978                 ps->io_syscw = -1;
980                 DEBUG("ps_read_process: not get io data for pid %i",pid);
981         }
983         /* success */
984         return (0);
985 } /* int ps_read_process (...) */
987 static char *ps_get_cmdline (pid_t pid, char *name, char *buf, size_t buf_len)
989         char  *buf_ptr;
990         size_t len;
992         char file[PATH_MAX];
993         int  fd;
995         size_t n;
997         if ((pid < 1) || (NULL == buf) || (buf_len < 2))
998                 return NULL;
1000         ssnprintf (file, sizeof (file), "/proc/%u/cmdline",
1001                         (unsigned int) pid);
1003         errno = 0;
1004         fd = open (file, O_RDONLY);
1005         if (fd < 0) {
1006                 char errbuf[4096];
1007                 /* ENOENT means the process exited while we were handling it.
1008                  * Don't complain about this, it only fills the logs. */
1009                 if (errno != ENOENT)
1010                         WARNING ("processes plugin: Failed to open `%s': %s.", file,
1011                                         sstrerror (errno, errbuf, sizeof (errbuf)));
1012                 return NULL;
1013         }
1015         buf_ptr = buf;
1016         len     = buf_len;
1018         n = 0;
1020         while (42) {
1021                 ssize_t status;
1023                 status = read (fd, (void *)buf_ptr, len);
1025                 if (status < 0) {
1026                         char errbuf[1024];
1028                         if ((EAGAIN == errno) || (EINTR == errno))
1029                                 continue;
1031                         WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1032                                         sstrerror (errno, errbuf, sizeof (errbuf)));
1033                         close (fd);
1034                         return NULL;
1035                 }
1037                 n += status;
1039                 if (status == 0)
1040                         break;
1042                 buf_ptr += status;
1043                 len     -= status;
1045                 if (len <= 0)
1046                         break;
1047         }
1049         close (fd);
1051         if (0 == n) {
1052                 /* cmdline not available; e.g. kernel thread, zombie */
1053                 if (NULL == name)
1054                         return NULL;
1056                 ssnprintf (buf, buf_len, "[%s]", name);
1057                 return buf;
1058         }
1060         assert (n <= buf_len);
1062         if (n == buf_len)
1063                 --n;
1064         buf[n] = '\0';
1066         --n;
1067         /* remove trailing whitespace */
1068         while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1069                 buf[n] = '\0';
1070                 --n;
1071         }
1073         /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1074         while (n > 0) {
1075                 if ('\0' == buf[n])
1076                         buf[n] = ' ';
1077                 --n;
1078         }
1079         return buf;
1080 } /* char *ps_get_cmdline (...) */
1082 static unsigned long read_fork_rate ()
1084         FILE *proc_stat;
1085         char buf[1024];
1086         unsigned long result = 0;
1087         int numfields;
1088         char *fields[3];
1090         proc_stat = fopen("/proc/stat", "r");
1091         if (proc_stat == NULL) {
1092                 char errbuf[1024];
1093                 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1094                                 sstrerror (errno, errbuf, sizeof (errbuf)));
1095                 return ULONG_MAX;
1096         }
1098         while (fgets (buf, sizeof(buf), proc_stat) != NULL)
1099         {
1100                 char *endptr;
1102                 numfields = strsplit(buf, fields, STATIC_ARRAY_SIZE (fields));
1103                 if (numfields != 2)
1104                         continue;
1106                 if (strcmp ("processes", fields[0]) != 0)
1107                         continue;
1109                 errno = 0;
1110                 endptr = NULL;
1111                 result = strtoul(fields[1], &endptr, /* base = */ 10);
1112                 if ((endptr == fields[1]) || (errno != 0)) {
1113                         ERROR ("processes plugin: Cannot parse fork rate: %s",
1114                                         fields[1]);
1115                         result = ULONG_MAX;
1116                         break;
1117                 }
1119                 break;
1120         }
1122         fclose(proc_stat);
1124         return result;
1127 static void ps_submit_fork_rate (unsigned long value)
1129         value_t values[1];
1130         value_list_t vl = VALUE_LIST_INIT;
1132         values[0].derive = (derive_t) value;
1134         vl.values = values;
1135         vl.values_len = 1;
1136         sstrncpy (vl.host, hostname_g, sizeof (vl.host));
1137         sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
1138         sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
1139         sstrncpy (vl.type, "fork_rate", sizeof (vl.type));
1140         sstrncpy (vl.type_instance, "", sizeof (vl.type_instance));
1142         plugin_dispatch_values (&vl);
1145 #endif /* KERNEL_LINUX */
1147 #if HAVE_THREAD_INFO
1148 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1150         int mib[4];
1152         struct kinfo_proc kp;
1153         size_t            kp_size;
1155         mib[0] = CTL_KERN;
1156         mib[1] = KERN_PROC;
1157         mib[2] = KERN_PROC_PID;
1159         if (pid_for_task (t, pid) != KERN_SUCCESS)
1160                 return (-1);
1161         mib[3] = *pid;
1163         kp_size = sizeof (kp);
1164         if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1165                 return (-1);
1167         if (name_max_len > (MAXCOMLEN + 1))
1168                 name_max_len = MAXCOMLEN + 1;
1170         strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1171         name[name_max_len - 1] = '\0';
1173         DEBUG ("pid = %i; name = %s;", *pid, name);
1175         /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1176          * `top' does it, because it is a lot of work and only used when
1177          * debugging. -octo */
1179         return (0);
1181 #endif /* HAVE_THREAD_INFO */
1182 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1184 /* do actual readings from kernel */
1185 static int ps_read (void)
1187 #if HAVE_THREAD_INFO
1188         kern_return_t            status;
1190         int                      pset;
1191         processor_set_t          port_pset_priv;
1193         int                      task;
1194         task_array_t             task_list;
1195         mach_msg_type_number_t   task_list_len;
1197         int                      task_pid;
1198         char                     task_name[MAXCOMLEN + 1];
1200         int                      thread;
1201         thread_act_array_t       thread_list;
1202         mach_msg_type_number_t   thread_list_len;
1203         thread_basic_info_data_t thread_data;
1204         mach_msg_type_number_t   thread_data_len;
1206         int running  = 0;
1207         int sleeping = 0;
1208         int zombies  = 0;
1209         int stopped  = 0;
1210         int blocked  = 0;
1212         procstat_t *ps;
1213         procstat_entry_t pse;
1215         ps_list_reset ();
1217         /*
1218          * The Mach-concept is a little different from the traditional UNIX
1219          * concept: All the work is done in threads. Threads are contained in
1220          * `tasks'. Therefore, `task status' doesn't make much sense, since
1221          * it's actually a `thread status'.
1222          * Tasks are assigned to sets of processors, so that's where you go to
1223          * get a list.
1224          */
1225         for (pset = 0; pset < pset_list_len; pset++)
1226         {
1227                 if ((status = host_processor_set_priv (port_host_self,
1228                                                 pset_list[pset],
1229                                                 &port_pset_priv)) != KERN_SUCCESS)
1230                 {
1231                         ERROR ("host_processor_set_priv failed: %s\n",
1232                                         mach_error_string (status));
1233                         continue;
1234                 }
1236                 if ((status = processor_set_tasks (port_pset_priv,
1237                                                 &task_list,
1238                                                 &task_list_len)) != KERN_SUCCESS)
1239                 {
1240                         ERROR ("processor_set_tasks failed: %s\n",
1241                                         mach_error_string (status));
1242                         mach_port_deallocate (port_task_self, port_pset_priv);
1243                         continue;
1244                 }
1246                 for (task = 0; task < task_list_len; task++)
1247                 {
1248                         ps = NULL;
1249                         if (mach_get_task_name (task_list[task],
1250                                                 &task_pid,
1251                                                 task_name, PROCSTAT_NAME_LEN) == 0)
1252                         {
1253                                 /* search for at least one match */
1254                                 for (ps = list_head_g; ps != NULL; ps = ps->next)
1255                                         /* FIXME: cmdline should be here instead of NULL */
1256                                         if (ps_list_match (task_name, NULL, ps) == 1)
1257                                                 break;
1258                         }
1260                         /* Collect more detailed statistics for this process */
1261                         if (ps != NULL)
1262                         {
1263                                 task_basic_info_data_t        task_basic_info;
1264                                 mach_msg_type_number_t        task_basic_info_len;
1265                                 task_events_info_data_t       task_events_info;
1266                                 mach_msg_type_number_t        task_events_info_len;
1267                                 task_absolutetime_info_data_t task_absolutetime_info;
1268                                 mach_msg_type_number_t        task_absolutetime_info_len;
1270                                 memset (&pse, '\0', sizeof (pse));
1271                                 pse.id = task_pid;
1273                                 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1274                                 status = task_info (task_list[task],
1275                                                 TASK_BASIC_INFO,
1276                                                 (task_info_t) &task_basic_info,
1277                                                 &task_basic_info_len);
1278                                 if (status != KERN_SUCCESS)
1279                                 {
1280                                         ERROR ("task_info failed: %s",
1281                                                         mach_error_string (status));
1282                                         continue; /* with next thread_list */
1283                                 }
1285                                 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1286                                 status = task_info (task_list[task],
1287                                                 TASK_EVENTS_INFO,
1288                                                 (task_info_t) &task_events_info,
1289                                                 &task_events_info_len);
1290                                 if (status != KERN_SUCCESS)
1291                                 {
1292                                         ERROR ("task_info failed: %s",
1293                                                         mach_error_string (status));
1294                                         continue; /* with next thread_list */
1295                                 }
1297                                 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1298                                 status = task_info (task_list[task],
1299                                                 TASK_ABSOLUTETIME_INFO,
1300                                                 (task_info_t) &task_absolutetime_info,
1301                                                 &task_absolutetime_info_len);
1302                                 if (status != KERN_SUCCESS)
1303                                 {
1304                                         ERROR ("task_info failed: %s",
1305                                                         mach_error_string (status));
1306                                         continue; /* with next thread_list */
1307                                 }
1309                                 pse.num_proc++;
1310                                 pse.vmem_size = task_basic_info.virtual_size;
1311                                 pse.vmem_rss = task_basic_info.resident_size;
1312                                 /* Does not seem to be easily exposed */
1313                                 pse.vmem_data = 0;
1314                                 pse.vmem_code = 0;
1316                                 pse.vmem_minflt_counter = task_events_info.cow_faults;
1317                                 pse.vmem_majflt_counter = task_events_info.faults;
1319                                 pse.cpu_user_counter = task_absolutetime_info.total_user;
1320                                 pse.cpu_system_counter = task_absolutetime_info.total_system;
1321                         }
1323                         status = task_threads (task_list[task], &thread_list,
1324                                         &thread_list_len);
1325                         if (status != KERN_SUCCESS)
1326                         {
1327                                 /* Apple's `top' treats this case a zombie. It
1328                                  * makes sense to some extend: A `zombie'
1329                                  * thread is nonsense, since the task/process
1330                                  * is dead. */
1331                                 zombies++;
1332                                 DEBUG ("task_threads failed: %s",
1333                                                 mach_error_string (status));
1334                                 if (task_list[task] != port_task_self)
1335                                         mach_port_deallocate (port_task_self,
1336                                                         task_list[task]);
1337                                 continue; /* with next task_list */
1338                         }
1340                         for (thread = 0; thread < thread_list_len; thread++)
1341                         {
1342                                 thread_data_len = THREAD_BASIC_INFO_COUNT;
1343                                 status = thread_info (thread_list[thread],
1344                                                 THREAD_BASIC_INFO,
1345                                                 (thread_info_t) &thread_data,
1346                                                 &thread_data_len);
1347                                 if (status != KERN_SUCCESS)
1348                                 {
1349                                         ERROR ("thread_info failed: %s",
1350                                                         mach_error_string (status));
1351                                         if (task_list[task] != port_task_self)
1352                                                 mach_port_deallocate (port_task_self,
1353                                                                 thread_list[thread]);
1354                                         continue; /* with next thread_list */
1355                                 }
1357                                 if (ps != NULL)
1358                                         pse.num_lwp++;
1360                                 switch (thread_data.run_state)
1361                                 {
1362                                         case TH_STATE_RUNNING:
1363                                                 running++;
1364                                                 break;
1365                                         case TH_STATE_STOPPED:
1366                                         /* What exactly is `halted'? */
1367                                         case TH_STATE_HALTED:
1368                                                 stopped++;
1369                                                 break;
1370                                         case TH_STATE_WAITING:
1371                                                 sleeping++;
1372                                                 break;
1373                                         case TH_STATE_UNINTERRUPTIBLE:
1374                                                 blocked++;
1375                                                 break;
1376                                         /* There is no `zombie' case here,
1377                                          * since there are no zombie-threads.
1378                                          * There's only zombie tasks, which are
1379                                          * handled above. */
1380                                         default:
1381                                                 WARNING ("Unknown thread status: %i",
1382                                                                 thread_data.run_state);
1383                                                 break;
1384                                 } /* switch (thread_data.run_state) */
1386                                 if (task_list[task] != port_task_self)
1387                                 {
1388                                         status = mach_port_deallocate (port_task_self,
1389                                                         thread_list[thread]);
1390                                         if (status != KERN_SUCCESS)
1391                                                 ERROR ("mach_port_deallocate failed: %s",
1392                                                                 mach_error_string (status));
1393                                 }
1394                         } /* for (thread_list) */
1396                         if ((status = vm_deallocate (port_task_self,
1397                                                         (vm_address_t) thread_list,
1398                                                         thread_list_len * sizeof (thread_act_t)))
1399                                         != KERN_SUCCESS)
1400                         {
1401                                 ERROR ("vm_deallocate failed: %s",
1402                                                 mach_error_string (status));
1403                         }
1404                         thread_list = NULL;
1405                         thread_list_len = 0;
1407                         /* Only deallocate the task port, if it isn't our own.
1408                          * Don't know what would happen in that case, but this
1409                          * is what Apple's top does.. ;) */
1410                         if (task_list[task] != port_task_self)
1411                         {
1412                                 status = mach_port_deallocate (port_task_self,
1413                                                 task_list[task]);
1414                                 if (status != KERN_SUCCESS)
1415                                         ERROR ("mach_port_deallocate failed: %s",
1416                                                         mach_error_string (status));
1417                         }
1419                         if (ps != NULL)
1420                                 /* FIXME: cmdline should be here instead of NULL */
1421                                 ps_list_add (task_name, NULL, &pse);
1422                 } /* for (task_list) */
1424                 if ((status = vm_deallocate (port_task_self,
1425                                 (vm_address_t) task_list,
1426                                 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1427                 {
1428                         ERROR ("vm_deallocate failed: %s",
1429                                         mach_error_string (status));
1430                 }
1431                 task_list = NULL;
1432                 task_list_len = 0;
1434                 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1435                                 != KERN_SUCCESS)
1436                 {
1437                         ERROR ("mach_port_deallocate failed: %s",
1438                                         mach_error_string (status));
1439                 }
1440         } /* for (pset_list) */
1442         ps_submit_state ("running", running);
1443         ps_submit_state ("sleeping", sleeping);
1444         ps_submit_state ("zombies", zombies);
1445         ps_submit_state ("stopped", stopped);
1446         ps_submit_state ("blocked", blocked);
1448         for (ps = list_head_g; ps != NULL; ps = ps->next)
1449                 ps_submit_proc_list (ps);
1450 /* #endif HAVE_THREAD_INFO */
1452 #elif KERNEL_LINUX
1453         int running  = 0;
1454         int sleeping = 0;
1455         int zombies  = 0;
1456         int stopped  = 0;
1457         int paging   = 0;
1458         int blocked  = 0;
1460         struct dirent *ent;
1461         DIR           *proc;
1462         int            pid;
1464         char cmdline[ARG_MAX];
1466         int        status;
1467         procstat_t ps;
1468         procstat_entry_t pse;
1469         char       state;
1471         unsigned long fork_rate;
1473         procstat_t *ps_ptr;
1475         running = sleeping = zombies = stopped = paging = blocked = 0;
1476         ps_list_reset ();
1478         if ((proc = opendir ("/proc")) == NULL)
1479         {
1480                 char errbuf[1024];
1481                 ERROR ("Cannot open `/proc': %s",
1482                                 sstrerror (errno, errbuf, sizeof (errbuf)));
1483                 return (-1);
1484         }
1486         while ((ent = readdir (proc)) != NULL)
1487         {
1488                 if (!isdigit (ent->d_name[0]))
1489                         continue;
1491                 if ((pid = atoi (ent->d_name)) < 1)
1492                         continue;
1494                 status = ps_read_process (pid, &ps, &state);
1495                 if (status != 0)
1496                 {
1497                         DEBUG ("ps_read_process failed: %i", status);
1498                         continue;
1499                 }
1501                 pse.id       = pid;
1502                 pse.age      = 0;
1504                 pse.num_proc   = ps.num_proc;
1505                 pse.num_lwp    = ps.num_lwp;
1506                 pse.vmem_size  = ps.vmem_size;
1507                 pse.vmem_rss   = ps.vmem_rss;
1508                 pse.vmem_data  = ps.vmem_data;
1509                 pse.vmem_code  = ps.vmem_code;
1510                 pse.stack_size = ps.stack_size;
1512                 pse.vmem_minflt = 0;
1513                 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1514                 pse.vmem_majflt = 0;
1515                 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1517                 pse.cpu_user = 0;
1518                 pse.cpu_user_counter = ps.cpu_user_counter;
1519                 pse.cpu_system = 0;
1520                 pse.cpu_system_counter = ps.cpu_system_counter;
1522                 pse.io_rchar = ps.io_rchar;
1523                 pse.io_wchar = ps.io_wchar;
1524                 pse.io_syscr = ps.io_syscr;
1525                 pse.io_syscw = ps.io_syscw;
1527                 switch (state)
1528                 {
1529                         case 'R': running++;  break;
1530                         case 'S': sleeping++; break;
1531                         case 'D': blocked++;  break;
1532                         case 'Z': zombies++;  break;
1533                         case 'T': stopped++;  break;
1534                         case 'W': paging++;   break;
1535                 }
1537                 ps_list_add (ps.name,
1538                                 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1539                                 &pse);
1540         }
1542         closedir (proc);
1544         ps_submit_state ("running",  running);
1545         ps_submit_state ("sleeping", sleeping);
1546         ps_submit_state ("zombies",  zombies);
1547         ps_submit_state ("stopped",  stopped);
1548         ps_submit_state ("paging",   paging);
1549         ps_submit_state ("blocked",  blocked);
1551         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1552                 ps_submit_proc_list (ps_ptr);
1554         fork_rate = read_fork_rate();
1555         if (fork_rate != ULONG_MAX)
1556                 ps_submit_fork_rate(fork_rate);
1557 /* #endif KERNEL_LINUX */
1559 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1560         int running  = 0;
1561         int sleeping = 0;
1562         int zombies  = 0;
1563         int stopped  = 0;
1564         int blocked  = 0;
1565         int idle     = 0;
1566         int wait     = 0;
1568         kvm_t *kd;
1569         char errbuf[1024];
1570         char cmdline[ARG_MAX];
1571         char *cmdline_ptr;
1572         struct kinfo_proc *procs;          /* array of processes */
1573         char **argv;
1574         int count;                         /* returns number of processes */
1575         int i;
1577         procstat_t *ps_ptr;
1578         procstat_entry_t pse;
1580         ps_list_reset ();
1582         /* Open the kvm interface, get a descriptor */
1583         kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
1584         if (kd == NULL)
1585         {
1586                 ERROR ("processes plugin: Cannot open kvm interface: %s",
1587                                 errbuf);
1588                 return (0);
1589         }
1591         /* Get the list of processes. */
1592         procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1593         if (procs == NULL)
1594         {
1595                 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1596                                 kvm_geterr(kd));
1597                 kvm_close (kd);
1598                 return (0);
1599         }
1601         /* Iterate through the processes in kinfo_proc */
1602         for (i = 0; i < count; i++)
1603         {
1604                 /* retrieve the arguments */
1605                 cmdline[0] = 0;
1606                 cmdline_ptr = NULL;
1608                 argv = kvm_getargv (kd, (const struct kinfo_proc *) &(procs[i]), 0);
1609                 if (argv != NULL)
1610                 {
1611                         int status;
1612                         int argc;
1614                         argc = 0;
1615                         while (argv[argc] != NULL)
1616                                 argc++;
1618                         status = strjoin (cmdline, sizeof (cmdline),
1619                                         argv, argc, " ");
1621                         if (status < 0)
1622                         {
1623                                 WARNING ("processes plugin: Command line did "
1624                                                 "not fit into buffer.");
1625                         }
1626                         else
1627                         {
1628                                 cmdline_ptr = &cmdline[0];
1629                         }
1630                 }
1632                 pse.id       = procs[i].ki_pid;
1633                 pse.age      = 0;
1635                 pse.num_proc = 1;
1636                 pse.num_lwp  = procs[i].ki_numthreads;
1638                 pse.vmem_size = procs[i].ki_size;
1639                 pse.vmem_rss = procs[i].ki_rssize * getpagesize();
1640                 pse.vmem_data = procs[i].ki_dsize * getpagesize();
1641                 pse.vmem_code = procs[i].ki_tsize * getpagesize();
1642                 pse.stack_size = procs[i].ki_ssize * getpagesize();
1643                 pse.vmem_minflt = 0;
1644                 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1645                 pse.vmem_majflt = 0;
1646                 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1648                 pse.cpu_user = 0;
1649                 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_sec
1650                         * 1000
1651                         + procs[i].ki_rusage.ru_utime.tv_usec;
1652                 pse.cpu_system = 0;
1653                 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_sec
1654                         * 1000
1655                         + procs[i].ki_rusage.ru_stime.tv_usec;
1657                 /* no io data */
1658                 pse.io_rchar = -1;
1659                 pse.io_wchar = -1;
1660                 pse.io_syscr = -1;
1661                 pse.io_syscw = -1;
1663                 switch (procs[i].ki_stat)
1664                 {
1665                         case SSTOP:     stopped++;      break;
1666                         case SSLEEP:    sleeping++;     break;
1667                         case SRUN:      running++;      break;
1668                         case SIDL:      idle++;         break;
1669                         case SWAIT:     wait++;         break;
1670                         case SLOCK:     blocked++;      break;
1671                         case SZOMB:     zombies++;      break;
1672                 }
1674                 ps_list_add (procs[i].ki_comm, cmdline_ptr, &pse);
1675         }
1677         kvm_close(kd);
1679         ps_submit_state ("running",  running);
1680         ps_submit_state ("sleeping", sleeping);
1681         ps_submit_state ("zombies",  zombies);
1682         ps_submit_state ("stopped",  stopped);
1683         ps_submit_state ("blocked",  blocked);
1684         ps_submit_state ("idle",     idle);
1685         ps_submit_state ("wait",     wait);
1687         for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1688                 ps_submit_proc_list (ps_ptr);
1689 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
1691 #elif HAVE_PROCINFO_H
1692         /* AIX */
1693         int running  = 0;
1694         int sleeping = 0;
1695         int zombies  = 0;
1696         int stopped  = 0;
1697         int paging   = 0;
1698         int blocked  = 0;
1700         pid_t pindex = 0;
1701         int nprocs;
1703         procstat_t *ps;
1704         procstat_entry_t pse;
1706         ps_list_reset ();
1707         while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
1708                                         /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
1709                                         &pindex, MAXPROCENTRY)) > 0)
1710         {
1711                 int i;
1713                 for (i = 0; i < nprocs; i++)
1714                 {
1715                         tid64_t thindex;
1716                         int nthreads;
1717                         char arglist[MAXARGLN+1];
1718                         char *cargs;
1719                         char *cmdline;
1721                         if (procentry[i].pi_state == SNONE) continue;
1722                         /* if (procentry[i].pi_state == SZOMB)  FIXME */
1724                         cmdline = procentry[i].pi_comm;
1725                         cargs = procentry[i].pi_comm;
1726                         if ( procentry[i].pi_flags & SKPROC )
1727                         {
1728                                 if (procentry[i].pi_pid == 0)
1729                                         cmdline = "swapper";
1730                                 cargs = cmdline;
1731                         }
1732                         else
1733                         {
1734                                 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
1735                                 {
1736                                         int n;
1738                                         n = -1;
1739                                         while (++n < MAXARGLN)
1740                                         {
1741                                                 if (arglist[n] == '\0')
1742                                                 {
1743                                                         if (arglist[n+1] == '\0')
1744                                                                 break;
1745                                                         arglist[n] = ' ';
1746                                                 }
1747                                         }
1748                                         cargs = arglist;
1749                                 }
1750                         }
1752                         pse.id       = procentry[i].pi_pid;
1753                         pse.age      = 0;
1754                         pse.num_lwp  = procentry[i].pi_thcount;
1755                         pse.num_proc = 1;
1757                         thindex=0;
1758                         while ((nthreads = getthrds64(procentry[i].pi_pid,
1759                                                         thrdentry, sizeof(struct thrdentry64),
1760                                                         &thindex, MAXTHRDENTRY)) > 0)
1761                         {
1762                                 int j;
1764                                 for (j=0; j< nthreads; j++)
1765                                 {
1766                                         switch (thrdentry[j].ti_state)
1767                                         {
1768                                                 /* case TSNONE: break; */
1769                                                 case TSIDL:     blocked++;      break; /* FIXME is really blocked */
1770                                                 case TSRUN:     running++;      break;
1771                                                 case TSSLEEP:   sleeping++;     break;
1772                                                 case TSSWAP:    paging++;       break;
1773                                                 case TSSTOP:    stopped++;      break;
1774                                                 case TSZOMB:    zombies++;      break;
1775                                         }
1776                                 }
1777                                 if (nthreads < MAXTHRDENTRY)
1778                                         break;
1779                         }
1781                         pse.cpu_user = 0;
1782                         /* tv_usec is nanosec ??? */
1783                         pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
1784                                 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
1786                         pse.cpu_system = 0;
1787                         /* tv_usec is nanosec ??? */
1788                         pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
1789                                 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
1791                         pse.vmem_minflt = 0;
1792                         pse.vmem_minflt_counter = procentry[i].pi_minflt;
1793                         pse.vmem_majflt = 0;
1794                         pse.vmem_majflt_counter = procentry[i].pi_majflt;
1796                         pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
1797                         pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
1798                         /* Not supported */
1799                         pse.vmem_data = 0;
1800                         pse.vmem_code = 0;
1801                         pse.stack_size =  0;
1803                         pse.io_rchar = -1;
1804                         pse.io_wchar = -1;
1805                         pse.io_syscr = -1;
1806                         pse.io_syscw = -1;
1808                         ps_list_add (cmdline, cargs, &pse);
1809                 } /* for (i = 0 .. nprocs) */
1811                 if (nprocs < MAXPROCENTRY)
1812                         break;
1813         } /* while (getprocs64() > 0) */
1814         ps_submit_state ("running",  running);
1815         ps_submit_state ("sleeping", sleeping);
1816         ps_submit_state ("zombies",  zombies);
1817         ps_submit_state ("stopped",  stopped);
1818         ps_submit_state ("paging",   paging);
1819         ps_submit_state ("blocked",  blocked);
1821         for (ps = list_head_g; ps != NULL; ps = ps->next)
1822                 ps_submit_proc_list (ps);
1823 #endif /* HAVE_PROCINFO_H */
1825         return (0);
1826 } /* int ps_read */
1828 void module_register (void)
1830         plugin_register_config ("processes", ps_config,
1831                         config_keys, config_keys_num);
1832         plugin_register_init ("processes", ps_init);
1833         plugin_register_read ("processes", ps_read);
1834 } /* void module_register */