61955f829de042073c21a9185ca39085805730f6
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 **/
37 #include "collectd.h"
38 #include "common.h"
39 #include "plugin.h"
40 #include "configfile.h"
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 */
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 */
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 */
105 #elif HAVE_PROCINFO_H
106 # include <procinfo.h>
107 # include <sys/types.h>
109 #define MAXPROCENTRY 32
110 #define MAXTHRDENTRY 16
111 #define MAXARGLN 1024
112 /* #endif HAVE_PROCINFO_H */
114 #elif KERNEL_SOLARIS
115 # include <procfs.h>
116 # include <dirent.h>
117 /* #endif KERNEL_SOLARIS */
119 #else
120 # error "No applicable input method."
121 #endif
123 #if HAVE_REGEX_H
124 # include <regex.h>
125 #endif
127 #if HAVE_KSTAT_H
128 # include <kstat.h>
129 #endif
131 #ifndef ARG_MAX
132 # define ARG_MAX 4096
133 #endif
135 typedef struct procstat_entry_s
136 {
137 unsigned long id;
138 unsigned long age;
140 unsigned long num_proc;
141 unsigned long num_lwp;
142 unsigned long vmem_size;
143 unsigned long vmem_rss;
144 unsigned long vmem_data;
145 unsigned long vmem_code;
146 unsigned long stack_size;
148 unsigned long vmem_minflt;
149 unsigned long vmem_majflt;
150 derive_t vmem_minflt_counter;
151 derive_t vmem_majflt_counter;
153 unsigned long cpu_user;
154 unsigned long cpu_system;
155 derive_t cpu_user_counter;
156 derive_t cpu_system_counter;
158 /* io data */
159 derive_t io_rchar;
160 derive_t io_wchar;
161 derive_t io_syscr;
162 derive_t io_syscw;
164 struct procstat_entry_s *next;
165 } procstat_entry_t;
167 #define PROCSTAT_NAME_LEN 256
168 typedef struct procstat
169 {
170 char name[PROCSTAT_NAME_LEN];
171 #if HAVE_REGEX_H
172 regex_t *re;
173 #endif
175 unsigned long num_proc;
176 unsigned long num_lwp;
177 unsigned long vmem_size;
178 unsigned long vmem_rss;
179 unsigned long vmem_data;
180 unsigned long vmem_code;
181 unsigned long stack_size;
183 derive_t vmem_minflt_counter;
184 derive_t vmem_majflt_counter;
186 derive_t cpu_user_counter;
187 derive_t cpu_system_counter;
189 /* io data */
190 derive_t io_rchar;
191 derive_t io_wchar;
192 derive_t io_syscr;
193 derive_t io_syscw;
195 struct procstat *next;
196 struct procstat_entry_s *instances;
197 } procstat_t;
199 static procstat_t *list_head_g = NULL;
201 #if HAVE_THREAD_INFO
202 static mach_port_t port_host_self;
203 static mach_port_t port_task_self;
205 static processor_set_name_array_t pset_list;
206 static mach_msg_type_number_t pset_list_len;
207 /* #endif HAVE_THREAD_INFO */
209 #elif KERNEL_LINUX
210 static long pagesize_g;
211 /* #endif KERNEL_LINUX */
213 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
214 static int pagesize;
215 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
217 #elif HAVE_PROCINFO_H
218 static struct procentry64 procentry[MAXPROCENTRY];
219 static struct thrdentry64 thrdentry[MAXTHRDENTRY];
220 static int pagesize;
222 #ifndef _AIXVERSION_610
223 int getprocs64 (void *procsinfo, int sizproc, void *fdsinfo, int sizfd, pid_t *index, int count);
224 int getthrds64( pid_t, void *, int, tid64_t *, int );
225 #endif
226 int getargs (struct procentry64 *processBuffer, int bufferLen, char *argsBuffer, int argsLen);
227 #endif /* HAVE_PROCINFO_H */
229 /* put name of process from config to list_head_g tree
230 list_head_g is a list of 'procstat_t' structs with
231 processes names we want to watch */
232 static void ps_list_register (const char *name, const char *regexp)
233 {
234 procstat_t *new;
235 procstat_t *ptr;
236 int status;
238 new = (procstat_t *) malloc (sizeof (procstat_t));
239 if (new == NULL)
240 {
241 ERROR ("processes plugin: ps_list_register: malloc failed.");
242 return;
243 }
244 memset (new, 0, sizeof (procstat_t));
245 sstrncpy (new->name, name, sizeof (new->name));
247 #if HAVE_REGEX_H
248 if (regexp != NULL)
249 {
250 DEBUG ("ProcessMatch: adding \"%s\" as criteria to process %s.", regexp, name);
251 new->re = (regex_t *) malloc (sizeof (regex_t));
252 if (new->re == NULL)
253 {
254 ERROR ("processes plugin: ps_list_register: malloc failed.");
255 sfree (new);
256 return;
257 }
259 status = regcomp (new->re, regexp, REG_EXTENDED | REG_NOSUB);
260 if (status != 0)
261 {
262 DEBUG ("ProcessMatch: compiling the regular expression \"%s\" failed.", regexp);
263 sfree(new->re);
264 return;
265 }
266 }
267 #else
268 if (regexp != NULL)
269 {
270 ERROR ("processes plugin: ps_list_register: "
271 "Regular expression \"%s\" found in config "
272 "file, but support for regular expressions "
273 "has been disabled at compile time.",
274 regexp);
275 sfree (new);
276 return;
277 }
278 #endif
280 for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
281 {
282 if (strcmp (ptr->name, name) == 0)
283 {
284 WARNING ("processes plugin: You have configured more "
285 "than one `Process' or "
286 "`ProcessMatch' with the same name. "
287 "All but the first setting will be "
288 "ignored.");
289 sfree (new->re);
290 sfree (new);
291 return;
292 }
294 if (ptr->next == NULL)
295 break;
296 }
298 if (ptr == NULL)
299 list_head_g = new;
300 else
301 ptr->next = new;
302 } /* void ps_list_register */
304 /* try to match name against entry, returns 1 if success */
305 static int ps_list_match (const char *name, const char *cmdline, procstat_t *ps)
306 {
307 #if HAVE_REGEX_H
308 if (ps->re != NULL)
309 {
310 int status;
311 const char *str;
313 str = cmdline;
314 if ((str == NULL) || (str[0] == 0))
315 str = name;
317 assert (str != NULL);
319 status = regexec (ps->re, str,
320 /* nmatch = */ 0,
321 /* pmatch = */ NULL,
322 /* eflags = */ 0);
323 if (status == 0)
324 return (1);
325 }
326 else
327 #endif
328 if (strcmp (ps->name, name) == 0)
329 return (1);
331 return (0);
332 } /* int ps_list_match */
334 /* add process entry to 'instances' of process 'name' (or refresh it) */
335 static void ps_list_add (const char *name, const char *cmdline, procstat_entry_t *entry)
336 {
337 procstat_t *ps;
338 procstat_entry_t *pse;
340 if (entry->id == 0)
341 return;
343 for (ps = list_head_g; ps != NULL; ps = ps->next)
344 {
345 if ((ps_list_match (name, cmdline, ps)) == 0)
346 continue;
348 for (pse = ps->instances; pse != NULL; pse = pse->next)
349 if ((pse->id == entry->id) || (pse->next == NULL))
350 break;
352 if ((pse == NULL) || (pse->id != entry->id))
353 {
354 procstat_entry_t *new;
356 new = (procstat_entry_t *) malloc (sizeof (procstat_entry_t));
357 if (new == NULL)
358 return;
359 memset (new, 0, sizeof (procstat_entry_t));
360 new->id = entry->id;
362 if (pse == NULL)
363 ps->instances = new;
364 else
365 pse->next = new;
367 pse = new;
368 }
370 pse->age = 0;
371 pse->num_proc = entry->num_proc;
372 pse->num_lwp = entry->num_lwp;
373 pse->vmem_size = entry->vmem_size;
374 pse->vmem_rss = entry->vmem_rss;
375 pse->vmem_data = entry->vmem_data;
376 pse->vmem_code = entry->vmem_code;
377 pse->stack_size = entry->stack_size;
378 pse->io_rchar = entry->io_rchar;
379 pse->io_wchar = entry->io_wchar;
380 pse->io_syscr = entry->io_syscr;
381 pse->io_syscw = entry->io_syscw;
383 ps->num_proc += pse->num_proc;
384 ps->num_lwp += pse->num_lwp;
385 ps->vmem_size += pse->vmem_size;
386 ps->vmem_rss += pse->vmem_rss;
387 ps->vmem_data += pse->vmem_data;
388 ps->vmem_code += pse->vmem_code;
389 ps->stack_size += pse->stack_size;
391 ps->io_rchar += ((pse->io_rchar == -1)?0:pse->io_rchar);
392 ps->io_wchar += ((pse->io_wchar == -1)?0:pse->io_wchar);
393 ps->io_syscr += ((pse->io_syscr == -1)?0:pse->io_syscr);
394 ps->io_syscw += ((pse->io_syscw == -1)?0:pse->io_syscw);
396 if ((entry->vmem_minflt_counter == 0)
397 && (entry->vmem_majflt_counter == 0))
398 {
399 pse->vmem_minflt_counter += entry->vmem_minflt;
400 pse->vmem_minflt = entry->vmem_minflt;
402 pse->vmem_majflt_counter += entry->vmem_majflt;
403 pse->vmem_majflt = entry->vmem_majflt;
404 }
405 else
406 {
407 if (entry->vmem_minflt_counter < pse->vmem_minflt_counter)
408 {
409 pse->vmem_minflt = entry->vmem_minflt_counter
410 + (ULONG_MAX - pse->vmem_minflt_counter);
411 }
412 else
413 {
414 pse->vmem_minflt = entry->vmem_minflt_counter - pse->vmem_minflt_counter;
415 }
416 pse->vmem_minflt_counter = entry->vmem_minflt_counter;
418 if (entry->vmem_majflt_counter < pse->vmem_majflt_counter)
419 {
420 pse->vmem_majflt = entry->vmem_majflt_counter
421 + (ULONG_MAX - pse->vmem_majflt_counter);
422 }
423 else
424 {
425 pse->vmem_majflt = entry->vmem_majflt_counter - pse->vmem_majflt_counter;
426 }
427 pse->vmem_majflt_counter = entry->vmem_majflt_counter;
428 }
430 ps->vmem_minflt_counter += pse->vmem_minflt;
431 ps->vmem_majflt_counter += pse->vmem_majflt;
433 if ((entry->cpu_user_counter == 0)
434 && (entry->cpu_system_counter == 0))
435 {
436 pse->cpu_user_counter += entry->cpu_user;
437 pse->cpu_user = entry->cpu_user;
439 pse->cpu_system_counter += entry->cpu_system;
440 pse->cpu_system = entry->cpu_system;
441 }
442 else
443 {
444 if (entry->cpu_user_counter < pse->cpu_user_counter)
445 {
446 pse->cpu_user = entry->cpu_user_counter
447 + (ULONG_MAX - pse->cpu_user_counter);
448 }
449 else
450 {
451 pse->cpu_user = entry->cpu_user_counter - pse->cpu_user_counter;
452 }
453 pse->cpu_user_counter = entry->cpu_user_counter;
455 if (entry->cpu_system_counter < pse->cpu_system_counter)
456 {
457 pse->cpu_system = entry->cpu_system_counter
458 + (ULONG_MAX - pse->cpu_system_counter);
459 }
460 else
461 {
462 pse->cpu_system = entry->cpu_system_counter - pse->cpu_system_counter;
463 }
464 pse->cpu_system_counter = entry->cpu_system_counter;
465 }
467 ps->cpu_user_counter += pse->cpu_user;
468 ps->cpu_system_counter += pse->cpu_system;
469 }
470 }
472 /* remove old entries from instances of processes in list_head_g */
473 static void ps_list_reset (void)
474 {
475 procstat_t *ps;
476 procstat_entry_t *pse;
477 procstat_entry_t *pse_prev;
479 for (ps = list_head_g; ps != NULL; ps = ps->next)
480 {
481 ps->num_proc = 0;
482 ps->num_lwp = 0;
483 ps->vmem_size = 0;
484 ps->vmem_rss = 0;
485 ps->vmem_data = 0;
486 ps->vmem_code = 0;
487 ps->stack_size = 0;
488 ps->io_rchar = -1;
489 ps->io_wchar = -1;
490 ps->io_syscr = -1;
491 ps->io_syscw = -1;
493 pse_prev = NULL;
494 pse = ps->instances;
495 while (pse != NULL)
496 {
497 if (pse->age > 10)
498 {
499 DEBUG ("Removing this procstat entry cause it's too old: "
500 "id = %lu; name = %s;",
501 pse->id, ps->name);
503 if (pse_prev == NULL)
504 {
505 ps->instances = pse->next;
506 free (pse);
507 pse = ps->instances;
508 }
509 else
510 {
511 pse_prev->next = pse->next;
512 free (pse);
513 pse = pse_prev->next;
514 }
515 }
516 else
517 {
518 pse->age++;
519 pse_prev = pse;
520 pse = pse->next;
521 }
522 } /* while (pse != NULL) */
523 } /* for (ps = list_head_g; ps != NULL; ps = ps->next) */
524 }
526 /* put all pre-defined 'Process' names from config to list_head_g tree */
527 static int ps_config (oconfig_item_t *ci)
528 {
529 int i;
531 for (i = 0; i < ci->children_num; ++i) {
532 oconfig_item_t *c = ci->children + i;
534 if (strcasecmp (c->key, "Process") == 0)
535 {
536 if ((c->values_num != 1)
537 || (OCONFIG_TYPE_STRING != c->values[0].type)) {
538 ERROR ("processes plugin: `Process' expects exactly "
539 "one string argument (got %i).",
540 c->values_num);
541 continue;
542 }
544 if (c->children_num != 0) {
545 WARNING ("processes plugin: the `Process' config option "
546 "does not expect any child elements -- ignoring "
547 "content (%i elements) of the <Process '%s'> block.",
548 c->children_num, c->values[0].value.string);
549 }
551 ps_list_register (c->values[0].value.string, NULL);
552 }
553 else if (strcasecmp (c->key, "ProcessMatch") == 0)
554 {
555 if ((c->values_num != 2)
556 || (OCONFIG_TYPE_STRING != c->values[0].type)
557 || (OCONFIG_TYPE_STRING != c->values[1].type))
558 {
559 ERROR ("processes plugin: `ProcessMatch' needs exactly "
560 "two string arguments (got %i).",
561 c->values_num);
562 continue;
563 }
565 if (c->children_num != 0) {
566 WARNING ("processes plugin: the `ProcessMatch' config option "
567 "does not expect any child elements -- ignoring "
568 "content (%i elements) of the <ProcessMatch '%s' '%s'> "
569 "block.", c->children_num, c->values[0].value.string,
570 c->values[1].value.string);
571 }
573 ps_list_register (c->values[0].value.string,
574 c->values[1].value.string);
575 }
576 else
577 {
578 ERROR ("processes plugin: The `%s' configuration option is not "
579 "understood and will be ignored.", c->key);
580 continue;
581 }
582 }
584 return (0);
585 }
587 static int ps_init (void)
588 {
589 #if HAVE_THREAD_INFO
590 kern_return_t status;
592 port_host_self = mach_host_self ();
593 port_task_self = mach_task_self ();
595 if (pset_list != NULL)
596 {
597 vm_deallocate (port_task_self,
598 (vm_address_t) pset_list,
599 pset_list_len * sizeof (processor_set_t));
600 pset_list = NULL;
601 pset_list_len = 0;
602 }
604 if ((status = host_processor_sets (port_host_self,
605 &pset_list,
606 &pset_list_len)) != KERN_SUCCESS)
607 {
608 ERROR ("host_processor_sets failed: %s\n",
609 mach_error_string (status));
610 pset_list = NULL;
611 pset_list_len = 0;
612 return (-1);
613 }
614 /* #endif HAVE_THREAD_INFO */
616 #elif KERNEL_LINUX
617 pagesize_g = sysconf(_SC_PAGESIZE);
618 DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
619 pagesize_g, CONFIG_HZ);
620 /* #endif KERNEL_LINUX */
622 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
623 pagesize = getpagesize();
624 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
626 #elif HAVE_PROCINFO_H
627 pagesize = getpagesize();
628 #endif /* HAVE_PROCINFO_H */
630 return (0);
631 } /* int ps_init */
633 /* submit global state (e.g.: qty of zombies, running, etc..) */
634 static void ps_submit_state (const char *state, double value)
635 {
636 value_t values[1];
637 value_list_t vl = VALUE_LIST_INIT;
639 values[0].gauge = value;
641 vl.values = values;
642 vl.values_len = 1;
643 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
644 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
645 sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
646 sstrncpy (vl.type, "ps_state", sizeof (vl.type));
647 sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
649 plugin_dispatch_values (&vl);
650 }
652 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
653 static void ps_submit_proc_list (procstat_t *ps)
654 {
655 value_t values[2];
656 value_list_t vl = VALUE_LIST_INIT;
658 vl.values = values;
659 vl.values_len = 2;
660 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
661 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
662 sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
664 sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
665 vl.values[0].gauge = ps->vmem_size;
666 vl.values_len = 1;
667 plugin_dispatch_values (&vl);
669 sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
670 vl.values[0].gauge = ps->vmem_rss;
671 vl.values_len = 1;
672 plugin_dispatch_values (&vl);
674 sstrncpy (vl.type, "ps_data", sizeof (vl.type));
675 vl.values[0].gauge = ps->vmem_data;
676 vl.values_len = 1;
677 plugin_dispatch_values (&vl);
679 sstrncpy (vl.type, "ps_code", sizeof (vl.type));
680 vl.values[0].gauge = ps->vmem_code;
681 vl.values_len = 1;
682 plugin_dispatch_values (&vl);
684 sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
685 vl.values[0].gauge = ps->stack_size;
686 vl.values_len = 1;
687 plugin_dispatch_values (&vl);
689 sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
690 vl.values[0].derive = ps->cpu_user_counter;
691 vl.values[1].derive = ps->cpu_system_counter;
692 vl.values_len = 2;
693 plugin_dispatch_values (&vl);
695 sstrncpy (vl.type, "ps_count", sizeof (vl.type));
696 vl.values[0].gauge = ps->num_proc;
697 vl.values[1].gauge = ps->num_lwp;
698 vl.values_len = 2;
699 plugin_dispatch_values (&vl);
701 sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
702 vl.values[0].derive = ps->vmem_minflt_counter;
703 vl.values[1].derive = ps->vmem_majflt_counter;
704 vl.values_len = 2;
705 plugin_dispatch_values (&vl);
707 if ( (ps->io_rchar != -1) && (ps->io_wchar != -1) )
708 {
709 sstrncpy (vl.type, "ps_disk_octets", sizeof (vl.type));
710 vl.values[0].derive = ps->io_rchar;
711 vl.values[1].derive = ps->io_wchar;
712 vl.values_len = 2;
713 plugin_dispatch_values (&vl);
714 }
716 if ( (ps->io_syscr != -1) && (ps->io_syscw != -1) )
717 {
718 sstrncpy (vl.type, "ps_disk_ops", sizeof (vl.type));
719 vl.values[0].derive = ps->io_syscr;
720 vl.values[1].derive = ps->io_syscw;
721 vl.values_len = 2;
722 plugin_dispatch_values (&vl);
723 }
725 DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
726 "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
727 "vmem_code = %lu; "
728 "vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
729 "cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
730 "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
731 "io_syscr = %"PRIi64"; io_syscw = %"PRIi64";",
732 ps->name, ps->num_proc, ps->num_lwp,
733 ps->vmem_size, ps->vmem_rss,
734 ps->vmem_data, ps->vmem_code,
735 ps->vmem_minflt_counter, ps->vmem_majflt_counter,
736 ps->cpu_user_counter, ps->cpu_system_counter,
737 ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw);
738 } /* void ps_submit_proc_list */
740 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
741 #if KERNEL_LINUX
742 static int ps_read_tasks (int pid)
743 {
744 char dirname[64];
745 DIR *dh;
746 struct dirent *ent;
747 int count = 0;
749 ssnprintf (dirname, sizeof (dirname), "/proc/%i/task", pid);
751 if ((dh = opendir (dirname)) == NULL)
752 {
753 DEBUG ("Failed to open directory `%s'", dirname);
754 return (-1);
755 }
757 while ((ent = readdir (dh)) != NULL)
758 {
759 if (!isdigit ((int) ent->d_name[0]))
760 continue;
761 else
762 count++;
763 }
764 closedir (dh);
766 return ((count >= 1) ? count : 1);
767 } /* int *ps_read_tasks */
769 /* Read advanced virtual memory data from /proc/pid/status */
770 static procstat_t *ps_read_vmem (int pid, procstat_t *ps)
771 {
772 FILE *fh;
773 char buffer[1024];
774 char filename[64];
775 unsigned long long lib = 0;
776 unsigned long long exe = 0;
777 unsigned long long data = 0;
778 char *fields[8];
779 int numfields;
781 ssnprintf (filename, sizeof (filename), "/proc/%i/status", pid);
782 if ((fh = fopen (filename, "r")) == NULL)
783 return (NULL);
785 while (fgets (buffer, sizeof(buffer), fh) != NULL)
786 {
787 long long tmp;
788 char *endptr;
790 if (strncmp (buffer, "Vm", 2) != 0)
791 continue;
793 numfields = strsplit (buffer, fields,
794 STATIC_ARRAY_SIZE (fields));
796 if (numfields < 2)
797 continue;
799 errno = 0;
800 endptr = NULL;
801 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
802 if ((errno == 0) && (endptr != fields[1]))
803 {
804 if (strncmp (buffer, "VmData", 6) == 0)
805 {
806 data = tmp;
807 }
808 else if (strncmp (buffer, "VmLib", 5) == 0)
809 {
810 lib = tmp;
811 }
812 else if (strncmp(buffer, "VmExe", 5) == 0)
813 {
814 exe = tmp;
815 }
816 }
817 } /* while (fgets) */
819 if (fclose (fh))
820 {
821 char errbuf[1024];
822 WARNING ("processes: fclose: %s",
823 sstrerror (errno, errbuf, sizeof (errbuf)));
824 }
826 ps->vmem_data = data * 1024;
827 ps->vmem_code = (exe + lib) * 1024;
829 return (ps);
830 } /* procstat_t *ps_read_vmem */
832 static procstat_t *ps_read_io (int pid, procstat_t *ps)
833 {
834 FILE *fh;
835 char buffer[1024];
836 char filename[64];
838 char *fields[8];
839 int numfields;
841 ssnprintf (filename, sizeof (filename), "/proc/%i/io", pid);
842 if ((fh = fopen (filename, "r")) == NULL)
843 return (NULL);
845 while (fgets (buffer, sizeof (buffer), fh) != NULL)
846 {
847 derive_t *val = NULL;
848 long long tmp;
849 char *endptr;
851 if (strncasecmp (buffer, "rchar:", 6) == 0)
852 val = &(ps->io_rchar);
853 else if (strncasecmp (buffer, "wchar:", 6) == 0)
854 val = &(ps->io_wchar);
855 else if (strncasecmp (buffer, "syscr:", 6) == 0)
856 val = &(ps->io_syscr);
857 else if (strncasecmp (buffer, "syscw:", 6) == 0)
858 val = &(ps->io_syscw);
859 else
860 continue;
862 numfields = strsplit (buffer, fields,
863 STATIC_ARRAY_SIZE (fields));
865 if (numfields < 2)
866 continue;
868 errno = 0;
869 endptr = NULL;
870 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
871 if ((errno != 0) || (endptr == fields[1]))
872 *val = -1;
873 else
874 *val = (derive_t) tmp;
875 } /* while (fgets) */
877 if (fclose (fh))
878 {
879 char errbuf[1024];
880 WARNING ("processes: fclose: %s",
881 sstrerror (errno, errbuf, sizeof (errbuf)));
882 }
884 return (ps);
885 } /* procstat_t *ps_read_io */
887 int ps_read_process (int pid, procstat_t *ps, char *state)
888 {
889 char filename[64];
890 char buffer[1024];
892 char *fields[64];
893 char fields_len;
895 int buffer_len;
897 char *buffer_ptr;
898 size_t name_start_pos;
899 size_t name_end_pos;
900 size_t name_len;
902 derive_t cpu_user_counter;
903 derive_t cpu_system_counter;
904 long long unsigned vmem_size;
905 long long unsigned vmem_rss;
906 long long unsigned stack_size;
908 memset (ps, 0, sizeof (procstat_t));
910 ssnprintf (filename, sizeof (filename), "/proc/%i/stat", pid);
912 buffer_len = read_file_contents (filename,
913 buffer, sizeof(buffer) - 1);
914 if (buffer_len <= 0)
915 return (-1);
916 buffer[buffer_len] = 0;
918 /* The name of the process is enclosed in parens. Since the name can
919 * contain parens itself, spaces, numbers and pretty much everything
920 * else, use these to determine the process name. We don't use
921 * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
922 * otherwise be required to determine name_len. */
923 name_start_pos = 0;
924 while ((buffer[name_start_pos] != '(')
925 && (name_start_pos < buffer_len))
926 name_start_pos++;
928 name_end_pos = buffer_len;
929 while ((buffer[name_end_pos] != ')')
930 && (name_end_pos > 0))
931 name_end_pos--;
933 /* Either '(' or ')' is not found or they are in the wrong order.
934 * Anyway, something weird that shouldn't happen ever. */
935 if (name_start_pos >= name_end_pos)
936 {
937 ERROR ("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
938 name_start_pos, name_end_pos);
939 return (-1);
940 }
942 name_len = (name_end_pos - name_start_pos) - 1;
943 if (name_len >= sizeof (ps->name))
944 name_len = sizeof (ps->name) - 1;
946 sstrncpy (ps->name, &buffer[name_start_pos + 1], name_len + 1);
948 if ((buffer_len - name_end_pos) < 2)
949 return (-1);
950 buffer_ptr = &buffer[name_end_pos + 2];
952 fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
953 if (fields_len < 22)
954 {
955 DEBUG ("processes plugin: ps_read_process (pid = %i):"
956 " `%s' has only %i fields..",
957 (int) pid, filename, fields_len);
958 return (-1);
959 }
961 *state = fields[0][0];
963 if (*state == 'Z')
964 {
965 ps->num_lwp = 0;
966 ps->num_proc = 0;
967 }
968 else
969 {
970 if ( (ps->num_lwp = ps_read_tasks (pid)) == -1 )
971 {
972 /* returns -1 => kernel 2.4 */
973 ps->num_lwp = 1;
974 }
975 ps->num_proc = 1;
976 }
978 /* Leave the rest at zero if this is only a zombi */
979 if (ps->num_proc == 0)
980 {
981 DEBUG ("processes plugin: This is only a zombi: pid = %i; "
982 "name = %s;", pid, ps->name);
983 return (0);
984 }
986 cpu_user_counter = atoll (fields[11]);
987 cpu_system_counter = atoll (fields[12]);
988 vmem_size = atoll (fields[20]);
989 vmem_rss = atoll (fields[21]);
990 ps->vmem_minflt_counter = atol (fields[7]);
991 ps->vmem_majflt_counter = atol (fields[9]);
993 {
994 unsigned long long stack_start = atoll (fields[25]);
995 unsigned long long stack_ptr = atoll (fields[26]);
997 stack_size = (stack_start > stack_ptr)
998 ? stack_start - stack_ptr
999 : stack_ptr - stack_start;
1000 }
1002 /* Convert jiffies to useconds */
1003 cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
1004 cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1005 vmem_rss = vmem_rss * pagesize_g;
1007 if ( (ps_read_vmem(pid, ps)) == NULL)
1008 {
1009 /* No VMem data */
1010 ps->vmem_data = -1;
1011 ps->vmem_code = -1;
1012 DEBUG("ps_read_process: did not get vmem data for pid %i",pid);
1013 }
1015 ps->cpu_user_counter = cpu_user_counter;
1016 ps->cpu_system_counter = cpu_system_counter;
1017 ps->vmem_size = (unsigned long) vmem_size;
1018 ps->vmem_rss = (unsigned long) vmem_rss;
1019 ps->stack_size = (unsigned long) stack_size;
1021 if ( (ps_read_io (pid, ps)) == NULL)
1022 {
1023 /* no io data */
1024 ps->io_rchar = -1;
1025 ps->io_wchar = -1;
1026 ps->io_syscr = -1;
1027 ps->io_syscw = -1;
1029 DEBUG("ps_read_process: not get io data for pid %i",pid);
1030 }
1032 /* success */
1033 return (0);
1034 } /* int ps_read_process (...) */
1036 static char *ps_get_cmdline (pid_t pid, char *name, char *buf, size_t buf_len)
1037 {
1038 char *buf_ptr;
1039 size_t len;
1041 char file[PATH_MAX];
1042 int fd;
1044 size_t n;
1046 if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1047 return NULL;
1049 ssnprintf (file, sizeof (file), "/proc/%u/cmdline",
1050 (unsigned int) pid);
1052 errno = 0;
1053 fd = open (file, O_RDONLY);
1054 if (fd < 0) {
1055 char errbuf[4096];
1056 /* ENOENT means the process exited while we were handling it.
1057 * Don't complain about this, it only fills the logs. */
1058 if (errno != ENOENT)
1059 WARNING ("processes plugin: Failed to open `%s': %s.", file,
1060 sstrerror (errno, errbuf, sizeof (errbuf)));
1061 return NULL;
1062 }
1064 buf_ptr = buf;
1065 len = buf_len;
1067 n = 0;
1069 while (42) {
1070 ssize_t status;
1072 status = read (fd, (void *)buf_ptr, len);
1074 if (status < 0) {
1075 char errbuf[1024];
1077 if ((EAGAIN == errno) || (EINTR == errno))
1078 continue;
1080 WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1081 sstrerror (errno, errbuf, sizeof (errbuf)));
1082 close (fd);
1083 return NULL;
1084 }
1086 n += status;
1088 if (status == 0)
1089 break;
1091 buf_ptr += status;
1092 len -= status;
1094 if (len <= 0)
1095 break;
1096 }
1098 close (fd);
1100 if (0 == n) {
1101 /* cmdline not available; e.g. kernel thread, zombie */
1102 if (NULL == name)
1103 return NULL;
1105 ssnprintf (buf, buf_len, "[%s]", name);
1106 return buf;
1107 }
1109 assert (n <= buf_len);
1111 if (n == buf_len)
1112 --n;
1113 buf[n] = '\0';
1115 --n;
1116 /* remove trailing whitespace */
1117 while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1118 buf[n] = '\0';
1119 --n;
1120 }
1122 /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1123 while (n > 0) {
1124 if ('\0' == buf[n])
1125 buf[n] = ' ';
1126 --n;
1127 }
1128 return buf;
1129 } /* char *ps_get_cmdline (...) */
1131 static unsigned long read_fork_rate ()
1132 {
1133 FILE *proc_stat;
1134 char buf[1024];
1135 unsigned long result = 0;
1136 int numfields;
1137 char *fields[3];
1139 proc_stat = fopen("/proc/stat", "r");
1140 if (proc_stat == NULL) {
1141 char errbuf[1024];
1142 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1143 sstrerror (errno, errbuf, sizeof (errbuf)));
1144 return ULONG_MAX;
1145 }
1147 while (fgets (buf, sizeof(buf), proc_stat) != NULL)
1148 {
1149 char *endptr;
1151 numfields = strsplit(buf, fields, STATIC_ARRAY_SIZE (fields));
1152 if (numfields != 2)
1153 continue;
1155 if (strcmp ("processes", fields[0]) != 0)
1156 continue;
1158 errno = 0;
1159 endptr = NULL;
1160 result = strtoul(fields[1], &endptr, /* base = */ 10);
1161 if ((endptr == fields[1]) || (errno != 0)) {
1162 ERROR ("processes plugin: Cannot parse fork rate: %s",
1163 fields[1]);
1164 result = ULONG_MAX;
1165 break;
1166 }
1168 break;
1169 }
1171 fclose(proc_stat);
1173 return result;
1174 }
1175 #endif /*KERNEL_LINUX */
1177 #if KERNEL_LINUX || KERNEL_SOLARIS
1178 static void ps_submit_fork_rate (unsigned long value)
1179 {
1180 value_t values[1];
1181 value_list_t vl = VALUE_LIST_INIT;
1183 values[0].derive = (derive_t) value;
1185 vl.values = values;
1186 vl.values_len = 1;
1187 sstrncpy(vl.host, hostname_g, sizeof (vl.host));
1188 sstrncpy(vl.plugin, "processes", sizeof (vl.plugin));
1189 sstrncpy(vl.plugin_instance, "", sizeof (vl.plugin_instance));
1190 sstrncpy(vl.type, "fork_rate", sizeof (vl.type));
1191 sstrncpy(vl.type_instance, "", sizeof (vl.type_instance));
1193 plugin_dispatch_values(&vl);
1194 }
1195 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
1197 #if KERNEL_SOLARIS
1198 static char *ps_get_cmdline(pid_t pid)
1199 {
1200 char f_psinfo[64];
1201 char *buffer = NULL;
1202 psinfo_t *myInfo;
1204 snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%i/psinfo", pid);
1206 buffer = malloc(sizeof (psinfo_t));
1207 read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1208 buffer[sizeof (psinfo_t)] = 0;
1209 myInfo = (psinfo_t *) buffer;
1211 sstrncpy(buffer, myInfo->pr_psargs, sizeof (myInfo->pr_psargs));
1213 free(myInfo);
1214 return strtok(buffer, " ");
1215 }
1217 /*
1218 * Reads process information on the Solaris OS. The information comes mainly from
1219 * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1220 * The values for input and ouput chars are calculated "by hand"
1221 * Added a few "solaris" specific process states as well
1222 */
1223 static int ps_read_process(int pid, procstat_t *ps, char *state)
1224 {
1226 char filename[64];
1227 char f_psinfo[64], f_usage[64];
1228 int i;
1229 char *buffer;
1232 pstatus_t *myStatus;
1233 psinfo_t *myInfo;
1234 prusage_t *myUsage;
1236 snprintf(filename, sizeof (filename), "/proc/%i/status", pid);
1237 snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%i/psinfo", pid);
1238 snprintf(f_usage, sizeof (f_usage), "/proc/%i/usage", pid);
1241 buffer = malloc(sizeof (pstatus_t));
1242 read_file_contents(filename, buffer, sizeof (pstatus_t));
1243 myStatus = (pstatus_t *) buffer;
1245 buffer = malloc(sizeof (psinfo_t));
1246 read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1247 buffer[sizeof (psinfo_t)] = 0;
1248 myInfo = (psinfo_t *) buffer;
1250 buffer = malloc(sizeof (prusage_t));
1251 read_file_contents(f_usage, buffer, sizeof (prusage_t));
1252 myUsage = (prusage_t *) buffer;
1254 sstrncpy(ps->name, myInfo->pr_fname, sizeof (myInfo->pr_fname));
1255 ps->num_lwp = myStatus->pr_nlwp;
1256 if (myInfo->pr_wstat != 0) {
1257 ps->num_proc = 0;
1258 ps->num_lwp = 0;
1259 *state = (char) 'Z';
1260 return (0);
1261 } else {
1262 ps->num_proc = 1;
1263 ps->num_lwp = myInfo->pr_nlwp;
1264 }
1266 /*
1267 * Convert system time and user time from nanoseconds to microseconds
1268 * for compatibility with the linux module
1269 */
1270 ps->cpu_system_counter = myStatus -> pr_stime.tv_nsec / 1000;
1271 ps->cpu_user_counter = myStatus -> pr_utime.tv_nsec / 1000;
1273 /*
1274 * Convert rssize from KB to bytes to be consistent w/ the linux module
1275 */
1276 ps->vmem_rss = myInfo->pr_rssize * 1024;
1277 ps->vmem_size = myInfo->pr_size * 1024;
1278 ps->vmem_minflt_counter = myUsage->pr_minf;
1279 ps->vmem_majflt_counter = myUsage->pr_majf;
1281 /*
1282 * TODO: Data and code segment calculations for Solaris
1283 */
1285 ps->vmem_data = -1;
1286 ps->vmem_code = -1;
1287 ps->stack_size = myStatus->pr_stksize;
1289 /*
1290 * Calculating input/ouput chars
1291 * Formula used is total chars / total blocks => chars/block
1292 * then convert input/output blocks to chars
1293 */
1294 ulong_t tot_chars = myUsage->pr_ioch;
1295 ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1296 ulong_t chars_per_block = 1;
1297 if (tot_blocks != 0)
1298 chars_per_block = tot_chars / tot_blocks;
1299 ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1300 ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1301 ps->io_syscr = myUsage->pr_sysc;
1302 ps->io_syscw = myUsage->pr_sysc;
1305 /*
1306 * TODO: Find way of setting BLOCKED and PAGING status
1307 */
1309 *state = (char) 'R';
1310 if (myStatus->pr_flags & PR_ASLEEP)
1311 *state = (char) 'S';
1312 else if (myStatus->pr_flags & PR_STOPPED)
1313 *state = (char) 'T';
1314 else if (myStatus->pr_flags & PR_DETACH)
1315 *state = (char) 'E';
1316 else if (myStatus->pr_flags & PR_DAEMON)
1317 *state = (char) 'A';
1318 else if (myStatus->pr_flags & PR_ISSYS)
1319 *state = (char) 'Y';
1320 else if (myStatus->pr_flags & PR_ORPHAN)
1321 *state = (char) 'O';
1323 free(myStatus);
1324 free(myInfo);
1325 free(myUsage);
1327 return (0);
1328 }
1330 /*
1331 * Reads the number of threads created since the last reboot. On Solaris these
1332 * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1333 * The result is the sum for all the threads created on each cpu
1334 */
1335 static unsigned long read_fork_rate()
1336 {
1337 extern kstat_ctl_t *kc;
1338 kstat_t *ksp_chain = NULL;
1339 unsigned long result = 0;
1341 if (kc == NULL)
1342 return ULONG_MAX;
1344 for (ksp_chain = kc->kc_chain; ksp_chain != NULL;
1345 ksp_chain = ksp_chain->ks_next) {
1346 if ((strncmp(ksp_chain->ks_module, "cpu", 3) == 0) &&
1347 (strncmp(ksp_chain->ks_name, "sys", 3) == 0) &&
1348 (strncmp(ksp_chain->ks_class, "misc", 4) == 0)) {
1349 kstat_read(kc, ksp_chain, NULL);
1350 result += get_kstat_value(ksp_chain, "nthreads");
1351 }
1352 }
1353 return result;
1354 }
1355 #endif /* KERNEL_SOLARIS */
1357 #if HAVE_THREAD_INFO
1358 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1359 {
1360 int mib[4];
1362 struct kinfo_proc kp;
1363 size_t kp_size;
1365 mib[0] = CTL_KERN;
1366 mib[1] = KERN_PROC;
1367 mib[2] = KERN_PROC_PID;
1369 if (pid_for_task (t, pid) != KERN_SUCCESS)
1370 return (-1);
1371 mib[3] = *pid;
1373 kp_size = sizeof (kp);
1374 if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1375 return (-1);
1377 if (name_max_len > (MAXCOMLEN + 1))
1378 name_max_len = MAXCOMLEN + 1;
1380 strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1381 name[name_max_len - 1] = '\0';
1383 DEBUG ("pid = %i; name = %s;", *pid, name);
1385 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1386 * `top' does it, because it is a lot of work and only used when
1387 * debugging. -octo */
1389 return (0);
1390 }
1391 #endif /* HAVE_THREAD_INFO */
1392 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1394 /* do actual readings from kernel */
1395 static int ps_read (void)
1396 {
1397 #if HAVE_THREAD_INFO
1398 kern_return_t status;
1400 int pset;
1401 processor_set_t port_pset_priv;
1403 int task;
1404 task_array_t task_list;
1405 mach_msg_type_number_t task_list_len;
1407 int task_pid;
1408 char task_name[MAXCOMLEN + 1];
1410 int thread;
1411 thread_act_array_t thread_list;
1412 mach_msg_type_number_t thread_list_len;
1413 thread_basic_info_data_t thread_data;
1414 mach_msg_type_number_t thread_data_len;
1416 int running = 0;
1417 int sleeping = 0;
1418 int zombies = 0;
1419 int stopped = 0;
1420 int blocked = 0;
1422 procstat_t *ps;
1423 procstat_entry_t pse;
1425 ps_list_reset ();
1427 /*
1428 * The Mach-concept is a little different from the traditional UNIX
1429 * concept: All the work is done in threads. Threads are contained in
1430 * `tasks'. Therefore, `task status' doesn't make much sense, since
1431 * it's actually a `thread status'.
1432 * Tasks are assigned to sets of processors, so that's where you go to
1433 * get a list.
1434 */
1435 for (pset = 0; pset < pset_list_len; pset++)
1436 {
1437 if ((status = host_processor_set_priv (port_host_self,
1438 pset_list[pset],
1439 &port_pset_priv)) != KERN_SUCCESS)
1440 {
1441 ERROR ("host_processor_set_priv failed: %s\n",
1442 mach_error_string (status));
1443 continue;
1444 }
1446 if ((status = processor_set_tasks (port_pset_priv,
1447 &task_list,
1448 &task_list_len)) != KERN_SUCCESS)
1449 {
1450 ERROR ("processor_set_tasks failed: %s\n",
1451 mach_error_string (status));
1452 mach_port_deallocate (port_task_self, port_pset_priv);
1453 continue;
1454 }
1456 for (task = 0; task < task_list_len; task++)
1457 {
1458 ps = NULL;
1459 if (mach_get_task_name (task_list[task],
1460 &task_pid,
1461 task_name, PROCSTAT_NAME_LEN) == 0)
1462 {
1463 /* search for at least one match */
1464 for (ps = list_head_g; ps != NULL; ps = ps->next)
1465 /* FIXME: cmdline should be here instead of NULL */
1466 if (ps_list_match (task_name, NULL, ps) == 1)
1467 break;
1468 }
1470 /* Collect more detailed statistics for this process */
1471 if (ps != NULL)
1472 {
1473 task_basic_info_data_t task_basic_info;
1474 mach_msg_type_number_t task_basic_info_len;
1475 task_events_info_data_t task_events_info;
1476 mach_msg_type_number_t task_events_info_len;
1477 task_absolutetime_info_data_t task_absolutetime_info;
1478 mach_msg_type_number_t task_absolutetime_info_len;
1480 memset (&pse, '\0', sizeof (pse));
1481 pse.id = task_pid;
1483 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1484 status = task_info (task_list[task],
1485 TASK_BASIC_INFO,
1486 (task_info_t) &task_basic_info,
1487 &task_basic_info_len);
1488 if (status != KERN_SUCCESS)
1489 {
1490 ERROR ("task_info failed: %s",
1491 mach_error_string (status));
1492 continue; /* with next thread_list */
1493 }
1495 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1496 status = task_info (task_list[task],
1497 TASK_EVENTS_INFO,
1498 (task_info_t) &task_events_info,
1499 &task_events_info_len);
1500 if (status != KERN_SUCCESS)
1501 {
1502 ERROR ("task_info failed: %s",
1503 mach_error_string (status));
1504 continue; /* with next thread_list */
1505 }
1507 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1508 status = task_info (task_list[task],
1509 TASK_ABSOLUTETIME_INFO,
1510 (task_info_t) &task_absolutetime_info,
1511 &task_absolutetime_info_len);
1512 if (status != KERN_SUCCESS)
1513 {
1514 ERROR ("task_info failed: %s",
1515 mach_error_string (status));
1516 continue; /* with next thread_list */
1517 }
1519 pse.num_proc++;
1520 pse.vmem_size = task_basic_info.virtual_size;
1521 pse.vmem_rss = task_basic_info.resident_size;
1522 /* Does not seem to be easily exposed */
1523 pse.vmem_data = 0;
1524 pse.vmem_code = 0;
1526 pse.vmem_minflt_counter = task_events_info.cow_faults;
1527 pse.vmem_majflt_counter = task_events_info.faults;
1529 pse.cpu_user_counter = task_absolutetime_info.total_user;
1530 pse.cpu_system_counter = task_absolutetime_info.total_system;
1531 }
1533 status = task_threads (task_list[task], &thread_list,
1534 &thread_list_len);
1535 if (status != KERN_SUCCESS)
1536 {
1537 /* Apple's `top' treats this case a zombie. It
1538 * makes sense to some extend: A `zombie'
1539 * thread is nonsense, since the task/process
1540 * is dead. */
1541 zombies++;
1542 DEBUG ("task_threads failed: %s",
1543 mach_error_string (status));
1544 if (task_list[task] != port_task_self)
1545 mach_port_deallocate (port_task_self,
1546 task_list[task]);
1547 continue; /* with next task_list */
1548 }
1550 for (thread = 0; thread < thread_list_len; thread++)
1551 {
1552 thread_data_len = THREAD_BASIC_INFO_COUNT;
1553 status = thread_info (thread_list[thread],
1554 THREAD_BASIC_INFO,
1555 (thread_info_t) &thread_data,
1556 &thread_data_len);
1557 if (status != KERN_SUCCESS)
1558 {
1559 ERROR ("thread_info failed: %s",
1560 mach_error_string (status));
1561 if (task_list[task] != port_task_self)
1562 mach_port_deallocate (port_task_self,
1563 thread_list[thread]);
1564 continue; /* with next thread_list */
1565 }
1567 if (ps != NULL)
1568 pse.num_lwp++;
1570 switch (thread_data.run_state)
1571 {
1572 case TH_STATE_RUNNING:
1573 running++;
1574 break;
1575 case TH_STATE_STOPPED:
1576 /* What exactly is `halted'? */
1577 case TH_STATE_HALTED:
1578 stopped++;
1579 break;
1580 case TH_STATE_WAITING:
1581 sleeping++;
1582 break;
1583 case TH_STATE_UNINTERRUPTIBLE:
1584 blocked++;
1585 break;
1586 /* There is no `zombie' case here,
1587 * since there are no zombie-threads.
1588 * There's only zombie tasks, which are
1589 * handled above. */
1590 default:
1591 WARNING ("Unknown thread status: %i",
1592 thread_data.run_state);
1593 break;
1594 } /* switch (thread_data.run_state) */
1596 if (task_list[task] != port_task_self)
1597 {
1598 status = mach_port_deallocate (port_task_self,
1599 thread_list[thread]);
1600 if (status != KERN_SUCCESS)
1601 ERROR ("mach_port_deallocate failed: %s",
1602 mach_error_string (status));
1603 }
1604 } /* for (thread_list) */
1606 if ((status = vm_deallocate (port_task_self,
1607 (vm_address_t) thread_list,
1608 thread_list_len * sizeof (thread_act_t)))
1609 != KERN_SUCCESS)
1610 {
1611 ERROR ("vm_deallocate failed: %s",
1612 mach_error_string (status));
1613 }
1614 thread_list = NULL;
1615 thread_list_len = 0;
1617 /* Only deallocate the task port, if it isn't our own.
1618 * Don't know what would happen in that case, but this
1619 * is what Apple's top does.. ;) */
1620 if (task_list[task] != port_task_self)
1621 {
1622 status = mach_port_deallocate (port_task_self,
1623 task_list[task]);
1624 if (status != KERN_SUCCESS)
1625 ERROR ("mach_port_deallocate failed: %s",
1626 mach_error_string (status));
1627 }
1629 if (ps != NULL)
1630 /* FIXME: cmdline should be here instead of NULL */
1631 ps_list_add (task_name, NULL, &pse);
1632 } /* for (task_list) */
1634 if ((status = vm_deallocate (port_task_self,
1635 (vm_address_t) task_list,
1636 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1637 {
1638 ERROR ("vm_deallocate failed: %s",
1639 mach_error_string (status));
1640 }
1641 task_list = NULL;
1642 task_list_len = 0;
1644 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1645 != KERN_SUCCESS)
1646 {
1647 ERROR ("mach_port_deallocate failed: %s",
1648 mach_error_string (status));
1649 }
1650 } /* for (pset_list) */
1652 ps_submit_state ("running", running);
1653 ps_submit_state ("sleeping", sleeping);
1654 ps_submit_state ("zombies", zombies);
1655 ps_submit_state ("stopped", stopped);
1656 ps_submit_state ("blocked", blocked);
1658 for (ps = list_head_g; ps != NULL; ps = ps->next)
1659 ps_submit_proc_list (ps);
1660 /* #endif HAVE_THREAD_INFO */
1662 #elif KERNEL_LINUX
1663 int running = 0;
1664 int sleeping = 0;
1665 int zombies = 0;
1666 int stopped = 0;
1667 int paging = 0;
1668 int blocked = 0;
1670 struct dirent *ent;
1671 DIR *proc;
1672 int pid;
1674 char cmdline[ARG_MAX];
1676 int status;
1677 procstat_t ps;
1678 procstat_entry_t pse;
1679 char state;
1681 unsigned long fork_rate;
1683 procstat_t *ps_ptr;
1685 running = sleeping = zombies = stopped = paging = blocked = 0;
1686 ps_list_reset ();
1688 if ((proc = opendir ("/proc")) == NULL)
1689 {
1690 char errbuf[1024];
1691 ERROR ("Cannot open `/proc': %s",
1692 sstrerror (errno, errbuf, sizeof (errbuf)));
1693 return (-1);
1694 }
1696 while ((ent = readdir (proc)) != NULL)
1697 {
1698 if (!isdigit (ent->d_name[0]))
1699 continue;
1701 if ((pid = atoi (ent->d_name)) < 1)
1702 continue;
1704 status = ps_read_process (pid, &ps, &state);
1705 if (status != 0)
1706 {
1707 DEBUG ("ps_read_process failed: %i", status);
1708 continue;
1709 }
1711 pse.id = pid;
1712 pse.age = 0;
1714 pse.num_proc = ps.num_proc;
1715 pse.num_lwp = ps.num_lwp;
1716 pse.vmem_size = ps.vmem_size;
1717 pse.vmem_rss = ps.vmem_rss;
1718 pse.vmem_data = ps.vmem_data;
1719 pse.vmem_code = ps.vmem_code;
1720 pse.stack_size = ps.stack_size;
1722 pse.vmem_minflt = 0;
1723 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1724 pse.vmem_majflt = 0;
1725 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1727 pse.cpu_user = 0;
1728 pse.cpu_user_counter = ps.cpu_user_counter;
1729 pse.cpu_system = 0;
1730 pse.cpu_system_counter = ps.cpu_system_counter;
1732 pse.io_rchar = ps.io_rchar;
1733 pse.io_wchar = ps.io_wchar;
1734 pse.io_syscr = ps.io_syscr;
1735 pse.io_syscw = ps.io_syscw;
1737 switch (state)
1738 {
1739 case 'R': running++; break;
1740 case 'S': sleeping++; break;
1741 case 'D': blocked++; break;
1742 case 'Z': zombies++; break;
1743 case 'T': stopped++; break;
1744 case 'W': paging++; break;
1745 }
1747 ps_list_add (ps.name,
1748 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1749 &pse);
1750 }
1752 closedir (proc);
1754 ps_submit_state ("running", running);
1755 ps_submit_state ("sleeping", sleeping);
1756 ps_submit_state ("zombies", zombies);
1757 ps_submit_state ("stopped", stopped);
1758 ps_submit_state ("paging", paging);
1759 ps_submit_state ("blocked", blocked);
1761 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1762 ps_submit_proc_list (ps_ptr);
1764 fork_rate = read_fork_rate();
1765 if (fork_rate != ULONG_MAX)
1766 ps_submit_fork_rate(fork_rate);
1767 /* #endif KERNEL_LINUX */
1769 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1770 int running = 0;
1771 int sleeping = 0;
1772 int zombies = 0;
1773 int stopped = 0;
1774 int blocked = 0;
1775 int idle = 0;
1776 int wait = 0;
1778 kvm_t *kd;
1779 char errbuf[1024];
1780 struct kinfo_proc *procs; /* array of processes */
1781 struct kinfo_proc *proc_ptr = NULL;
1782 int count; /* returns number of processes */
1783 int i;
1785 procstat_t *ps_ptr;
1786 procstat_entry_t pse;
1788 ps_list_reset ();
1790 /* Open the kvm interface, get a descriptor */
1791 kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
1792 if (kd == NULL)
1793 {
1794 ERROR ("processes plugin: Cannot open kvm interface: %s",
1795 errbuf);
1796 return (0);
1797 }
1799 /* Get the list of processes. */
1800 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1801 if (procs == NULL)
1802 {
1803 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1804 kvm_geterr(kd));
1805 kvm_close (kd);
1806 return (0);
1807 }
1809 /* Iterate through the processes in kinfo_proc */
1810 for (i = 0; i < count; i++)
1811 {
1812 /* Create only one process list entry per _process_, i.e.
1813 * filter out threads (duplicate PID entries). */
1814 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1815 {
1816 char cmdline[ARG_MAX] = "";
1817 _Bool have_cmdline = 0;
1819 proc_ptr = &(procs[i]);
1820 /* Don't probe system processes and processes without arguments */
1821 if (((procs[i].ki_flag & P_SYSTEM) == 0)
1822 && (procs[i].ki_args != NULL))
1823 {
1824 char **argv;
1825 int argc;
1826 int status;
1828 /* retrieve the arguments */
1829 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1830 argc = 0;
1831 if ((argv != NULL) && (argv[0] != NULL))
1832 {
1833 while (argv[argc] != NULL)
1834 argc++;
1836 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1837 if (status < 0)
1838 WARNING ("processes plugin: Command line did not fit into buffer.");
1839 else
1840 have_cmdline = 1;
1841 }
1842 } /* if (process has argument list) */
1844 pse.id = procs[i].ki_pid;
1845 pse.age = 0;
1847 pse.num_proc = 1;
1848 pse.num_lwp = procs[i].ki_numthreads;
1850 pse.vmem_size = procs[i].ki_size;
1851 pse.vmem_rss = procs[i].ki_rssize * pagesize;
1852 pse.vmem_data = procs[i].ki_dsize * pagesize;
1853 pse.vmem_code = procs[i].ki_tsize * pagesize;
1854 pse.stack_size = procs[i].ki_ssize * pagesize;
1855 pse.vmem_minflt = 0;
1856 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1857 pse.vmem_majflt = 0;
1858 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1860 pse.cpu_user = 0;
1861 pse.cpu_system = 0;
1862 pse.cpu_user_counter = 0;
1863 pse.cpu_system_counter = 0;
1864 /*
1865 * The u-area might be swapped out, and we can't get
1866 * at it because we have a crashdump and no swap.
1867 * If it's here fill in these fields, otherwise, just
1868 * leave them 0.
1869 */
1870 if (procs[i].ki_flag & P_INMEM)
1871 {
1872 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
1873 + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
1874 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
1875 + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
1876 }
1878 /* no I/O data */
1879 pse.io_rchar = -1;
1880 pse.io_wchar = -1;
1881 pse.io_syscr = -1;
1882 pse.io_syscw = -1;
1884 ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
1885 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
1887 switch (procs[i].ki_stat)
1888 {
1889 case SSTOP: stopped++; break;
1890 case SSLEEP: sleeping++; break;
1891 case SRUN: running++; break;
1892 case SIDL: idle++; break;
1893 case SWAIT: wait++; break;
1894 case SLOCK: blocked++; break;
1895 case SZOMB: zombies++; break;
1896 }
1897 }
1899 kvm_close(kd);
1901 ps_submit_state ("running", running);
1902 ps_submit_state ("sleeping", sleeping);
1903 ps_submit_state ("zombies", zombies);
1904 ps_submit_state ("stopped", stopped);
1905 ps_submit_state ("blocked", blocked);
1906 ps_submit_state ("idle", idle);
1907 ps_submit_state ("wait", wait);
1909 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1910 ps_submit_proc_list (ps_ptr);
1911 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
1913 #elif HAVE_PROCINFO_H
1914 /* AIX */
1915 int running = 0;
1916 int sleeping = 0;
1917 int zombies = 0;
1918 int stopped = 0;
1919 int paging = 0;
1920 int blocked = 0;
1922 pid_t pindex = 0;
1923 int nprocs;
1925 procstat_t *ps;
1926 procstat_entry_t pse;
1928 ps_list_reset ();
1929 while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
1930 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
1931 &pindex, MAXPROCENTRY)) > 0)
1932 {
1933 int i;
1935 for (i = 0; i < nprocs; i++)
1936 {
1937 tid64_t thindex;
1938 int nthreads;
1939 char arglist[MAXARGLN+1];
1940 char *cargs;
1941 char *cmdline;
1943 if (procentry[i].pi_state == SNONE) continue;
1944 /* if (procentry[i].pi_state == SZOMB) FIXME */
1946 cmdline = procentry[i].pi_comm;
1947 cargs = procentry[i].pi_comm;
1948 if ( procentry[i].pi_flags & SKPROC )
1949 {
1950 if (procentry[i].pi_pid == 0)
1951 cmdline = "swapper";
1952 cargs = cmdline;
1953 }
1954 else
1955 {
1956 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
1957 {
1958 int n;
1960 n = -1;
1961 while (++n < MAXARGLN)
1962 {
1963 if (arglist[n] == '\0')
1964 {
1965 if (arglist[n+1] == '\0')
1966 break;
1967 arglist[n] = ' ';
1968 }
1969 }
1970 cargs = arglist;
1971 }
1972 }
1974 pse.id = procentry[i].pi_pid;
1975 pse.age = 0;
1976 pse.num_lwp = procentry[i].pi_thcount;
1977 pse.num_proc = 1;
1979 thindex=0;
1980 while ((nthreads = getthrds64(procentry[i].pi_pid,
1981 thrdentry, sizeof(struct thrdentry64),
1982 &thindex, MAXTHRDENTRY)) > 0)
1983 {
1984 int j;
1986 for (j=0; j< nthreads; j++)
1987 {
1988 switch (thrdentry[j].ti_state)
1989 {
1990 /* case TSNONE: break; */
1991 case TSIDL: blocked++; break; /* FIXME is really blocked */
1992 case TSRUN: running++; break;
1993 case TSSLEEP: sleeping++; break;
1994 case TSSWAP: paging++; break;
1995 case TSSTOP: stopped++; break;
1996 case TSZOMB: zombies++; break;
1997 }
1998 }
1999 if (nthreads < MAXTHRDENTRY)
2000 break;
2001 }
2003 pse.cpu_user = 0;
2004 /* tv_usec is nanosec ??? */
2005 pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2006 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2008 pse.cpu_system = 0;
2009 /* tv_usec is nanosec ??? */
2010 pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2011 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2013 pse.vmem_minflt = 0;
2014 pse.vmem_minflt_counter = procentry[i].pi_minflt;
2015 pse.vmem_majflt = 0;
2016 pse.vmem_majflt_counter = procentry[i].pi_majflt;
2018 pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2019 pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2020 /* Not supported */
2021 pse.vmem_data = 0;
2022 pse.vmem_code = 0;
2023 pse.stack_size = 0;
2025 pse.io_rchar = -1;
2026 pse.io_wchar = -1;
2027 pse.io_syscr = -1;
2028 pse.io_syscw = -1;
2030 ps_list_add (cmdline, cargs, &pse);
2031 } /* for (i = 0 .. nprocs) */
2033 if (nprocs < MAXPROCENTRY)
2034 break;
2035 } /* while (getprocs64() > 0) */
2036 ps_submit_state ("running", running);
2037 ps_submit_state ("sleeping", sleeping);
2038 ps_submit_state ("zombies", zombies);
2039 ps_submit_state ("stopped", stopped);
2040 ps_submit_state ("paging", paging);
2041 ps_submit_state ("blocked", blocked);
2043 for (ps = list_head_g; ps != NULL; ps = ps->next)
2044 ps_submit_proc_list (ps);
2045 /* #endif HAVE_PROCINFO_H */
2047 #elif KERNEL_SOLARIS
2048 /*
2049 * The Solaris section adds a few more process states and removes some
2050 * process states compared to linux. Most notably there is no "PAGING"
2051 * and "BLOCKED" state for a process. The rest is similar to the linux
2052 * code.
2053 */
2054 int running = 0;
2055 int sleeping = 0;
2056 int zombies = 0;
2057 int stopped = 0;
2058 int detached = 0;
2059 int daemon = 0;
2060 int system = 0;
2061 int orphan = 0;
2062 unsigned long fork_rate;
2063 struct dirent *ent;
2064 DIR *proc;
2065 int pid;
2067 int status;
2068 struct procstat ps;
2069 procstat_entry_t pse;
2070 procstat_t *ps_ptr;
2071 char state;
2073 ps_list_reset();
2076 proc = opendir("/proc");
2077 if (proc == NULL) {
2078 return (-1);
2079 }
2081 while ((ent = readdir(proc)) != NULL) {
2082 if (!isdigit(ent->d_name[0]))
2083 continue;
2085 if ((pid = atoi(ent->d_name)) < 1)
2086 continue;
2088 status = ps_read_process(pid, &ps, &state);
2089 if (status != 0) {
2090 DEBUG("ps_read_process failed: %i", status);
2091 continue;
2092 }
2093 pse.id = pid;
2094 pse.age = 0;
2096 pse.num_proc = ps.num_proc;
2097 pse.num_lwp = ps.num_lwp;
2098 pse.vmem_size = ps.vmem_size;
2099 pse.vmem_rss = ps.vmem_rss;
2100 pse.vmem_data = ps.vmem_data;
2101 pse.vmem_code = ps.vmem_code;
2102 pse.stack_size = ps.stack_size;
2104 pse.vmem_minflt = 0;
2105 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2106 pse.vmem_majflt = 0;
2107 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2109 pse.cpu_user = 0;
2110 pse.cpu_user_counter = ps.cpu_user_counter;
2111 pse.cpu_system = 0;
2112 pse.cpu_system_counter = ps.cpu_system_counter;
2114 pse.io_rchar = ps.io_rchar;
2115 pse.io_wchar = ps.io_wchar;
2116 pse.io_syscr = ps.io_syscr;
2117 pse.io_syscw = ps.io_syscw;
2119 switch (state) {
2120 case 'R': running++;
2121 break;
2122 case 'S': sleeping++;
2123 break;
2124 case 'E': detached++;
2125 break;
2126 case 'Z': zombies++;
2127 break;
2128 case 'T': stopped++;
2129 break;
2130 case 'A': daemon++;
2131 break;
2132 case 'Y': system++;
2133 break;
2134 case 'O': orphan++;
2135 break;
2136 }
2138 ps_list_add(ps.name, ps_get_cmdline(pid), &pse);
2140 } // while()
2141 closedir(proc);
2143 ps_submit_state("running", running);
2144 ps_submit_state("sleeping", sleeping);
2145 ps_submit_state("zombies", zombies);
2146 ps_submit_state("stopped", stopped);
2147 ps_submit_state("detached", detached);
2148 ps_submit_state("daemon", daemon);
2149 ps_submit_state("system", system);
2150 ps_submit_state("orphan", orphan);
2152 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2153 ps_submit_proc_list(ps_ptr);
2156 fork_rate = read_fork_rate();
2157 if (fork_rate != ULONG_MAX) {
2158 ps_submit_fork_rate(fork_rate);
2159 }
2161 #endif /* KERNEL_SOLARIS */
2163 return (0);
2164 } /* int ps_read */
2166 void module_register (void)
2167 {
2168 plugin_register_complex_config ("processes", ps_config);
2169 plugin_register_init ("processes", ps_init);
2170 plugin_register_read ("processes", ps_read);
2171 } /* void module_register */