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1 /**
2 * collectd - src/processes.c
3 * Copyright (C) 2005 Lyonel Vincent
4 * Copyright (C) 2006-2008 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[] =
125 {
126 "Process",
127 "ProcessMatch"
128 };
129 static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
131 typedef struct procstat_entry_s
132 {
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 unsigned long vmem_minflt_counter;
147 unsigned long vmem_majflt_counter;
149 unsigned long cpu_user;
150 unsigned long cpu_system;
151 unsigned long cpu_user_counter;
152 unsigned long 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
165 {
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 unsigned long vmem_minflt_counter;
180 unsigned long vmem_majflt_counter;
182 unsigned long cpu_user_counter;
183 unsigned long 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)
229 {
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)
302 {
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)
332 {
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 }
466 }
468 /* remove old entries from instances of processes in list_head_g */
469 static void ps_list_reset (void)
470 {
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) */
520 }
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)
524 {
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);
562 }
564 static int ps_init (void)
565 {
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)
612 {
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);
627 }
629 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
630 static void ps_submit_proc_list (procstat_t *ps)
631 {
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].counter = ps->cpu_user_counter;
668 vl.values[1].counter = 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].counter = ps->vmem_minflt_counter;
680 vl.values[1].counter = 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 = %lu; vmem_majflt_counter = %lu; "
706 "cpu_user_counter = %lu; cpu_system_counter = %lu; "
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)
720 {
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)
748 {
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)
810 {
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)
865 {
866 char filename[64];
867 char buffer[1024];
869 char *fields[64];
870 char fields_len;
872 int i;
874 int ppid;
875 int name_len;
877 long long unsigned cpu_user_counter;
878 long long unsigned cpu_system_counter;
879 long long unsigned vmem_size;
880 long long unsigned vmem_rss;
881 long long unsigned stack_size;
883 memset (ps, 0, sizeof (procstat_t));
885 ssnprintf (filename, sizeof (filename), "/proc/%i/stat", pid);
887 i = read_file_contents (filename, buffer, sizeof(buffer) - 1);
888 if (i <= 0)
889 return (-1);
890 buffer[i] = 0;
892 fields_len = strsplit (buffer, fields, STATIC_ARRAY_SIZE (fields));
893 if (fields_len < 24)
894 {
895 DEBUG ("processes plugin: ps_read_process (pid = %i):"
896 " `%s' has only %i fields..",
897 (int) pid, filename, fields_len);
898 return (-1);
899 }
901 /* copy the name, strip brackets in the process */
902 name_len = strlen (fields[1]) - 2;
903 if ((fields[1][0] != '(') || (fields[1][name_len + 1] != ')'))
904 {
905 DEBUG ("No brackets found in process name: `%s'", fields[1]);
906 return (-1);
907 }
908 fields[1] = fields[1] + 1;
909 fields[1][name_len] = '\0';
910 strncpy (ps->name, fields[1], PROCSTAT_NAME_LEN);
912 ppid = atoi (fields[3]);
914 *state = fields[2][0];
916 if (*state == 'Z')
917 {
918 ps->num_lwp = 0;
919 ps->num_proc = 0;
920 }
921 else
922 {
923 if ( (ps->num_lwp = ps_read_tasks (pid)) == -1 )
924 {
925 /* returns -1 => kernel 2.4 */
926 ps->num_lwp = 1;
927 }
928 ps->num_proc = 1;
929 }
931 /* Leave the rest at zero if this is only a zombi */
932 if (ps->num_proc == 0)
933 {
934 DEBUG ("processes plugin: This is only a zombi: pid = %i; "
935 "name = %s;", pid, ps->name);
936 return (0);
937 }
939 cpu_user_counter = atoll (fields[13]);
940 cpu_system_counter = atoll (fields[14]);
941 vmem_size = atoll (fields[22]);
942 vmem_rss = atoll (fields[23]);
943 ps->vmem_minflt_counter = atol (fields[9]);
944 ps->vmem_majflt_counter = atol (fields[11]);
946 {
947 unsigned long long stack_start = atoll (fields[27]);
948 unsigned long long stack_ptr = atoll (fields[28]);
950 stack_size = (stack_start > stack_ptr)
951 ? stack_start - stack_ptr
952 : stack_ptr - stack_start;
953 }
955 /* Convert jiffies to useconds */
956 cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
957 cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
958 vmem_rss = vmem_rss * pagesize_g;
960 if ( (ps_read_vmem(pid, ps)) == NULL)
961 {
962 /* No VMem data */
963 ps->vmem_data = -1;
964 ps->vmem_code = -1;
965 DEBUG("ps_read_process: did not get vmem data for pid %i",pid);
966 }
968 ps->cpu_user_counter = (unsigned long) cpu_user_counter;
969 ps->cpu_system_counter = (unsigned long) cpu_system_counter;
970 ps->vmem_size = (unsigned long) vmem_size;
971 ps->vmem_rss = (unsigned long) vmem_rss;
972 ps->stack_size = (unsigned long) stack_size;
974 if ( (ps_read_io (pid, ps)) == NULL)
975 {
976 /* no io data */
977 ps->io_rchar = -1;
978 ps->io_wchar = -1;
979 ps->io_syscr = -1;
980 ps->io_syscw = -1;
982 DEBUG("ps_read_process: not get io data for pid %i",pid);
983 }
985 /* success */
986 return (0);
987 } /* int ps_read_process (...) */
989 static char *ps_get_cmdline (pid_t pid, char *name, char *buf, size_t buf_len)
990 {
991 char *buf_ptr;
992 size_t len;
994 char file[PATH_MAX];
995 int fd;
997 size_t n;
999 if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1000 return NULL;
1002 ssnprintf (file, sizeof (file), "/proc/%u/cmdline", pid);
1004 fd = open (file, O_RDONLY);
1005 if (fd < 0) {
1006 char errbuf[4096];
1007 WARNING ("processes plugin: Failed to open `%s': %s.", file,
1008 sstrerror (errno, errbuf, sizeof (errbuf)));
1009 return NULL;
1010 }
1012 buf_ptr = buf;
1013 len = buf_len;
1015 n = 0;
1017 while (42) {
1018 ssize_t status;
1020 status = read (fd, (void *)buf_ptr, len);
1022 if (status < 0) {
1023 char errbuf[4096];
1025 if ((EAGAIN == errno) || (EINTR == errno))
1026 continue;
1028 WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1029 sstrerror (errno, errbuf, sizeof (errbuf)));
1030 close (fd);
1031 return NULL;
1032 }
1034 n += status;
1036 if (status == 0)
1037 break;
1039 buf_ptr += status;
1040 len -= status;
1042 if (len <= 0)
1043 break;
1044 }
1046 close (fd);
1048 if (0 == n) {
1049 /* cmdline not available; e.g. kernel thread, zombie */
1050 if (NULL == name)
1051 return NULL;
1053 ssnprintf (buf, buf_len, "[%s]", name);
1054 return buf;
1055 }
1057 assert (n <= buf_len);
1059 if (n == buf_len)
1060 --n;
1061 buf[n] = '\0';
1063 --n;
1064 /* remove trailing whitespace */
1065 while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1066 buf[n] = '\0';
1067 --n;
1068 }
1070 /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1071 while (n > 0) {
1072 if ('\0' == buf[n])
1073 buf[n] = ' ';
1074 --n;
1075 }
1076 return buf;
1077 } /* char *ps_get_cmdline (...) */
1079 static unsigned long read_fork_rate ()
1080 {
1081 FILE *proc_stat;
1082 char buf[1024];
1083 unsigned long result = 0;
1084 int numfields;
1085 char *fields[3];
1087 proc_stat = fopen("/proc/stat", "r");
1088 if (proc_stat == NULL) {
1089 char errbuf[1024];
1090 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1091 sstrerror (errno, errbuf, sizeof (errbuf)));
1092 return ULONG_MAX;
1093 }
1095 while (fgets (buf, sizeof(buf), proc_stat) != NULL)
1096 {
1097 char *endptr;
1099 numfields = strsplit(buf, fields, STATIC_ARRAY_SIZE (fields));
1100 if (numfields != 2)
1101 continue;
1103 if (strcmp ("processes", fields[0]) != 0)
1104 continue;
1106 errno = 0;
1107 endptr = NULL;
1108 result = strtoul(fields[1], &endptr, /* base = */ 10);
1109 if ((endptr == fields[1]) || (errno != 0)) {
1110 ERROR ("processes plugin: Cannot parse fork rate: %s",
1111 fields[1]);
1112 result = ULONG_MAX;
1113 break;
1114 }
1116 break;
1117 }
1119 fclose(proc_stat);
1121 return result;
1122 }
1124 static void ps_submit_fork_rate (unsigned long value)
1125 {
1126 value_t values[1];
1127 value_list_t vl = VALUE_LIST_INIT;
1129 values[0].derive = (derive_t) value;
1131 vl.values = values;
1132 vl.values_len = 1;
1133 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
1134 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
1135 sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
1136 sstrncpy (vl.type, "fork_rate", sizeof (vl.type));
1137 sstrncpy (vl.type_instance, "", sizeof (vl.type_instance));
1139 plugin_dispatch_values (&vl);
1140 }
1142 #endif /* KERNEL_LINUX */
1144 #if HAVE_THREAD_INFO
1145 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1146 {
1147 int mib[4];
1149 struct kinfo_proc kp;
1150 size_t kp_size;
1152 mib[0] = CTL_KERN;
1153 mib[1] = KERN_PROC;
1154 mib[2] = KERN_PROC_PID;
1156 if (pid_for_task (t, pid) != KERN_SUCCESS)
1157 return (-1);
1158 mib[3] = *pid;
1160 kp_size = sizeof (kp);
1161 if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1162 return (-1);
1164 if (name_max_len > (MAXCOMLEN + 1))
1165 name_max_len = MAXCOMLEN + 1;
1167 strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1168 name[name_max_len - 1] = '\0';
1170 DEBUG ("pid = %i; name = %s;", *pid, name);
1172 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1173 * `top' does it, because it is a lot of work and only used when
1174 * debugging. -octo */
1176 return (0);
1177 }
1178 #endif /* HAVE_THREAD_INFO */
1179 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1181 /* do actual readings from kernel */
1182 static int ps_read (void)
1183 {
1184 #if HAVE_THREAD_INFO
1185 kern_return_t status;
1187 int pset;
1188 processor_set_t port_pset_priv;
1190 int task;
1191 task_array_t task_list;
1192 mach_msg_type_number_t task_list_len;
1194 int task_pid;
1195 char task_name[MAXCOMLEN + 1];
1197 int thread;
1198 thread_act_array_t thread_list;
1199 mach_msg_type_number_t thread_list_len;
1200 thread_basic_info_data_t thread_data;
1201 mach_msg_type_number_t thread_data_len;
1203 int running = 0;
1204 int sleeping = 0;
1205 int zombies = 0;
1206 int stopped = 0;
1207 int blocked = 0;
1209 procstat_t *ps;
1210 procstat_entry_t pse;
1212 ps_list_reset ();
1214 /*
1215 * The Mach-concept is a little different from the traditional UNIX
1216 * concept: All the work is done in threads. Threads are contained in
1217 * `tasks'. Therefore, `task status' doesn't make much sense, since
1218 * it's actually a `thread status'.
1219 * Tasks are assigned to sets of processors, so that's where you go to
1220 * get a list.
1221 */
1222 for (pset = 0; pset < pset_list_len; pset++)
1223 {
1224 if ((status = host_processor_set_priv (port_host_self,
1225 pset_list[pset],
1226 &port_pset_priv)) != KERN_SUCCESS)
1227 {
1228 ERROR ("host_processor_set_priv failed: %s\n",
1229 mach_error_string (status));
1230 continue;
1231 }
1233 if ((status = processor_set_tasks (port_pset_priv,
1234 &task_list,
1235 &task_list_len)) != KERN_SUCCESS)
1236 {
1237 ERROR ("processor_set_tasks failed: %s\n",
1238 mach_error_string (status));
1239 mach_port_deallocate (port_task_self, port_pset_priv);
1240 continue;
1241 }
1243 for (task = 0; task < task_list_len; task++)
1244 {
1245 ps = NULL;
1246 if (mach_get_task_name (task_list[task],
1247 &task_pid,
1248 task_name, PROCSTAT_NAME_LEN) == 0)
1249 {
1250 /* search for at least one match */
1251 for (ps = list_head_g; ps != NULL; ps = ps->next)
1252 /* FIXME: cmdline should be here instead of NULL */
1253 if (ps_list_match (task_name, NULL, ps) == 1)
1254 break;
1255 }
1257 /* Collect more detailed statistics for this process */
1258 if (ps != NULL)
1259 {
1260 task_basic_info_data_t task_basic_info;
1261 mach_msg_type_number_t task_basic_info_len;
1262 task_events_info_data_t task_events_info;
1263 mach_msg_type_number_t task_events_info_len;
1264 task_absolutetime_info_data_t task_absolutetime_info;
1265 mach_msg_type_number_t task_absolutetime_info_len;
1267 memset (&pse, '\0', sizeof (pse));
1268 pse.id = task_pid;
1270 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1271 status = task_info (task_list[task],
1272 TASK_BASIC_INFO,
1273 (task_info_t) &task_basic_info,
1274 &task_basic_info_len);
1275 if (status != KERN_SUCCESS)
1276 {
1277 ERROR ("task_info failed: %s",
1278 mach_error_string (status));
1279 continue; /* with next thread_list */
1280 }
1282 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1283 status = task_info (task_list[task],
1284 TASK_EVENTS_INFO,
1285 (task_info_t) &task_events_info,
1286 &task_events_info_len);
1287 if (status != KERN_SUCCESS)
1288 {
1289 ERROR ("task_info failed: %s",
1290 mach_error_string (status));
1291 continue; /* with next thread_list */
1292 }
1294 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1295 status = task_info (task_list[task],
1296 TASK_ABSOLUTETIME_INFO,
1297 (task_info_t) &task_absolutetime_info,
1298 &task_absolutetime_info_len);
1299 if (status != KERN_SUCCESS)
1300 {
1301 ERROR ("task_info failed: %s",
1302 mach_error_string (status));
1303 continue; /* with next thread_list */
1304 }
1306 pse.num_proc++;
1307 pse.vmem_size = task_basic_info.virtual_size;
1308 pse.vmem_rss = task_basic_info.resident_size;
1309 /* Does not seem to be easily exposed */
1310 pse.vmem_data = 0;
1311 pse.vmem_code = 0;
1313 pse.vmem_minflt_counter = task_events_info.cow_faults;
1314 pse.vmem_majflt_counter = task_events_info.faults;
1316 pse.cpu_user_counter = task_absolutetime_info.total_user;
1317 pse.cpu_system_counter = task_absolutetime_info.total_system;
1318 }
1320 status = task_threads (task_list[task], &thread_list,
1321 &thread_list_len);
1322 if (status != KERN_SUCCESS)
1323 {
1324 /* Apple's `top' treats this case a zombie. It
1325 * makes sense to some extend: A `zombie'
1326 * thread is nonsense, since the task/process
1327 * is dead. */
1328 zombies++;
1329 DEBUG ("task_threads failed: %s",
1330 mach_error_string (status));
1331 if (task_list[task] != port_task_self)
1332 mach_port_deallocate (port_task_self,
1333 task_list[task]);
1334 continue; /* with next task_list */
1335 }
1337 for (thread = 0; thread < thread_list_len; thread++)
1338 {
1339 thread_data_len = THREAD_BASIC_INFO_COUNT;
1340 status = thread_info (thread_list[thread],
1341 THREAD_BASIC_INFO,
1342 (thread_info_t) &thread_data,
1343 &thread_data_len);
1344 if (status != KERN_SUCCESS)
1345 {
1346 ERROR ("thread_info failed: %s",
1347 mach_error_string (status));
1348 if (task_list[task] != port_task_self)
1349 mach_port_deallocate (port_task_self,
1350 thread_list[thread]);
1351 continue; /* with next thread_list */
1352 }
1354 if (ps != NULL)
1355 pse.num_lwp++;
1357 switch (thread_data.run_state)
1358 {
1359 case TH_STATE_RUNNING:
1360 running++;
1361 break;
1362 case TH_STATE_STOPPED:
1363 /* What exactly is `halted'? */
1364 case TH_STATE_HALTED:
1365 stopped++;
1366 break;
1367 case TH_STATE_WAITING:
1368 sleeping++;
1369 break;
1370 case TH_STATE_UNINTERRUPTIBLE:
1371 blocked++;
1372 break;
1373 /* There is no `zombie' case here,
1374 * since there are no zombie-threads.
1375 * There's only zombie tasks, which are
1376 * handled above. */
1377 default:
1378 WARNING ("Unknown thread status: %i",
1379 thread_data.run_state);
1380 break;
1381 } /* switch (thread_data.run_state) */
1383 if (task_list[task] != port_task_self)
1384 {
1385 status = mach_port_deallocate (port_task_self,
1386 thread_list[thread]);
1387 if (status != KERN_SUCCESS)
1388 ERROR ("mach_port_deallocate failed: %s",
1389 mach_error_string (status));
1390 }
1391 } /* for (thread_list) */
1393 if ((status = vm_deallocate (port_task_self,
1394 (vm_address_t) thread_list,
1395 thread_list_len * sizeof (thread_act_t)))
1396 != KERN_SUCCESS)
1397 {
1398 ERROR ("vm_deallocate failed: %s",
1399 mach_error_string (status));
1400 }
1401 thread_list = NULL;
1402 thread_list_len = 0;
1404 /* Only deallocate the task port, if it isn't our own.
1405 * Don't know what would happen in that case, but this
1406 * is what Apple's top does.. ;) */
1407 if (task_list[task] != port_task_self)
1408 {
1409 status = mach_port_deallocate (port_task_self,
1410 task_list[task]);
1411 if (status != KERN_SUCCESS)
1412 ERROR ("mach_port_deallocate failed: %s",
1413 mach_error_string (status));
1414 }
1416 if (ps != NULL)
1417 /* FIXME: cmdline should be here instead of NULL */
1418 ps_list_add (task_name, NULL, &pse);
1419 } /* for (task_list) */
1421 if ((status = vm_deallocate (port_task_self,
1422 (vm_address_t) task_list,
1423 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1424 {
1425 ERROR ("vm_deallocate failed: %s",
1426 mach_error_string (status));
1427 }
1428 task_list = NULL;
1429 task_list_len = 0;
1431 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1432 != KERN_SUCCESS)
1433 {
1434 ERROR ("mach_port_deallocate failed: %s",
1435 mach_error_string (status));
1436 }
1437 } /* for (pset_list) */
1439 ps_submit_state ("running", running);
1440 ps_submit_state ("sleeping", sleeping);
1441 ps_submit_state ("zombies", zombies);
1442 ps_submit_state ("stopped", stopped);
1443 ps_submit_state ("blocked", blocked);
1445 for (ps = list_head_g; ps != NULL; ps = ps->next)
1446 ps_submit_proc_list (ps);
1447 /* #endif HAVE_THREAD_INFO */
1449 #elif KERNEL_LINUX
1450 int running = 0;
1451 int sleeping = 0;
1452 int zombies = 0;
1453 int stopped = 0;
1454 int paging = 0;
1455 int blocked = 0;
1457 struct dirent *ent;
1458 DIR *proc;
1459 int pid;
1461 char cmdline[ARG_MAX];
1463 int status;
1464 procstat_t ps;
1465 procstat_entry_t pse;
1466 char state;
1468 unsigned long fork_rate;
1470 procstat_t *ps_ptr;
1472 running = sleeping = zombies = stopped = paging = blocked = 0;
1473 ps_list_reset ();
1475 if ((proc = opendir ("/proc")) == NULL)
1476 {
1477 char errbuf[1024];
1478 ERROR ("Cannot open `/proc': %s",
1479 sstrerror (errno, errbuf, sizeof (errbuf)));
1480 return (-1);
1481 }
1483 while ((ent = readdir (proc)) != NULL)
1484 {
1485 if (!isdigit (ent->d_name[0]))
1486 continue;
1488 if ((pid = atoi (ent->d_name)) < 1)
1489 continue;
1491 status = ps_read_process (pid, &ps, &state);
1492 if (status != 0)
1493 {
1494 DEBUG ("ps_read_process failed: %i", status);
1495 continue;
1496 }
1498 pse.id = pid;
1499 pse.age = 0;
1501 pse.num_proc = ps.num_proc;
1502 pse.num_lwp = ps.num_lwp;
1503 pse.vmem_size = ps.vmem_size;
1504 pse.vmem_rss = ps.vmem_rss;
1505 pse.vmem_data = ps.vmem_data;
1506 pse.vmem_code = ps.vmem_code;
1507 pse.stack_size = ps.stack_size;
1509 pse.vmem_minflt = 0;
1510 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1511 pse.vmem_majflt = 0;
1512 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1514 pse.cpu_user = 0;
1515 pse.cpu_user_counter = ps.cpu_user_counter;
1516 pse.cpu_system = 0;
1517 pse.cpu_system_counter = ps.cpu_system_counter;
1519 pse.io_rchar = ps.io_rchar;
1520 pse.io_wchar = ps.io_wchar;
1521 pse.io_syscr = ps.io_syscr;
1522 pse.io_syscw = ps.io_syscw;
1524 switch (state)
1525 {
1526 case 'R': running++; break;
1527 case 'S': sleeping++; break;
1528 case 'D': blocked++; break;
1529 case 'Z': zombies++; break;
1530 case 'T': stopped++; break;
1531 case 'W': paging++; break;
1532 }
1534 ps_list_add (ps.name,
1535 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1536 &pse);
1537 }
1539 closedir (proc);
1541 ps_submit_state ("running", running);
1542 ps_submit_state ("sleeping", sleeping);
1543 ps_submit_state ("zombies", zombies);
1544 ps_submit_state ("stopped", stopped);
1545 ps_submit_state ("paging", paging);
1546 ps_submit_state ("blocked", blocked);
1548 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1549 ps_submit_proc_list (ps_ptr);
1551 fork_rate = read_fork_rate();
1552 if (fork_rate != ULONG_MAX)
1553 ps_submit_fork_rate(fork_rate);
1554 /* #endif KERNEL_LINUX */
1556 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1557 int running = 0;
1558 int sleeping = 0;
1559 int zombies = 0;
1560 int stopped = 0;
1561 int blocked = 0;
1562 int idle = 0;
1563 int wait = 0;
1565 kvm_t *kd;
1566 char errbuf[1024];
1567 char cmdline[ARG_MAX];
1568 char *cmdline_ptr;
1569 struct kinfo_proc *procs; /* array of processes */
1570 char **argv;
1571 int count; /* returns number of processes */
1572 int i;
1574 procstat_t *ps_ptr;
1575 procstat_entry_t pse;
1577 ps_list_reset ();
1579 /* Open the kvm interface, get a descriptor */
1580 kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
1581 if (kd == NULL)
1582 {
1583 ERROR ("processes plugin: Cannot open kvm interface: %s",
1584 errbuf);
1585 return (0);
1586 }
1588 /* Get the list of processes. */
1589 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1590 if (procs == NULL)
1591 {
1592 kvm_close (kd);
1593 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1594 kvm_geterr(kd));
1595 return (0);
1596 }
1598 /* Iterate through the processes in kinfo_proc */
1599 for (i = 0; i < count; i++)
1600 {
1601 /* retrieve the arguments */
1602 cmdline[0] = 0;
1603 cmdline_ptr = NULL;
1605 argv = kvm_getargv (kd, (const struct kinfo_proc *) &(procs[i]), 0);
1606 if (argv != NULL)
1607 {
1608 int status;
1609 int argc;
1611 argc = 0;
1612 while (argv[argc] != NULL)
1613 argc++;
1615 status = strjoin (cmdline, sizeof (cmdline),
1616 argv, argc, " ");
1618 if (status < 0)
1619 {
1620 WARNING ("processes plugin: Command line did "
1621 "not fit into buffer.");
1622 }
1623 else
1624 {
1625 cmdline_ptr = &cmdline[0];
1626 }
1627 }
1629 pse.id = procs[i].ki_pid;
1630 pse.age = 0;
1632 pse.num_proc = 1;
1633 pse.num_lwp = procs[i].ki_numthreads;
1635 pse.vmem_size = procs[i].ki_size;
1636 pse.vmem_rss = procs[i].ki_rssize * getpagesize();
1637 pse.vmem_data = procs[i].ki_dsize * getpagesize();
1638 pse.vmem_code = procs[i].ki_tsize * getpagesize();
1639 pse.stack_size = procs[i].ki_ssize * getpagesize();
1640 pse.vmem_minflt = 0;
1641 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1642 pse.vmem_majflt = 0;
1643 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1645 pse.cpu_user = 0;
1646 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_sec
1647 * 1000
1648 + procs[i].ki_rusage.ru_utime.tv_usec;
1649 pse.cpu_system = 0;
1650 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_sec
1651 * 1000
1652 + procs[i].ki_rusage.ru_stime.tv_usec;
1654 /* no io data */
1655 pse.io_rchar = -1;
1656 pse.io_wchar = -1;
1657 pse.io_syscr = -1;
1658 pse.io_syscw = -1;
1660 switch (procs[i].ki_stat)
1661 {
1662 case SSTOP: stopped++; break;
1663 case SSLEEP: sleeping++; break;
1664 case SRUN: running++; break;
1665 case SIDL: idle++; break;
1666 case SWAIT: wait++; break;
1667 case SLOCK: blocked++; break;
1668 case SZOMB: zombies++; break;
1669 }
1671 ps_list_add (procs[i].ki_comm, cmdline_ptr, &pse);
1672 }
1674 kvm_close(kd);
1676 ps_submit_state ("running", running);
1677 ps_submit_state ("sleeping", sleeping);
1678 ps_submit_state ("zombies", zombies);
1679 ps_submit_state ("stopped", stopped);
1680 ps_submit_state ("blocked", blocked);
1681 ps_submit_state ("idle", idle);
1682 ps_submit_state ("wait", wait);
1684 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1685 ps_submit_proc_list (ps_ptr);
1686 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
1688 #elif HAVE_PROCINFO_H
1689 /* AIX */
1690 int running = 0;
1691 int sleeping = 0;
1692 int zombies = 0;
1693 int stopped = 0;
1694 int paging = 0;
1695 int blocked = 0;
1697 pid_t pindex = 0;
1698 int nprocs;
1700 procstat_t *ps;
1701 procstat_entry_t pse;
1703 ps_list_reset ();
1704 while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
1705 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
1706 &pindex, MAXPROCENTRY)) > 0)
1707 {
1708 int i;
1710 for (i = 0; i < nprocs; i++)
1711 {
1712 tid64_t thindex;
1713 int nthreads;
1714 char arglist[MAXARGLN+1];
1715 char *cargs;
1716 char *cmdline;
1718 if (procentry[i].pi_state == SNONE) continue;
1719 /* if (procentry[i].pi_state == SZOMB) FIXME */
1721 cmdline = procentry[i].pi_comm;
1722 cargs = procentry[i].pi_comm;
1723 if ( procentry[i].pi_flags & SKPROC )
1724 {
1725 if (procentry[i].pi_pid == 0)
1726 cmdline = "swapper";
1727 cargs = cmdline;
1728 }
1729 else
1730 {
1731 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
1732 {
1733 int n;
1735 n = -1;
1736 while (++n < MAXARGLN)
1737 {
1738 if (arglist[n] == '\0')
1739 {
1740 if (arglist[n+1] == '\0')
1741 break;
1742 arglist[n] = ' ';
1743 }
1744 }
1745 cargs = arglist;
1746 }
1747 }
1749 pse.id = procentry[i].pi_pid;
1750 pse.age = 0;
1751 pse.num_lwp = procentry[i].pi_thcount;
1752 pse.num_proc = 1;
1754 thindex=0;
1755 while ((nthreads = getthrds64(procentry[i].pi_pid,
1756 thrdentry, sizeof(struct thrdentry64),
1757 &thindex, MAXTHRDENTRY)) > 0)
1758 {
1759 int j;
1761 for (j=0; j< nthreads; j++)
1762 {
1763 switch (thrdentry[j].ti_state)
1764 {
1765 /* case TSNONE: break; */
1766 case TSIDL: blocked++; break; /* FIXME is really blocked */
1767 case TSRUN: running++; break;
1768 case TSSLEEP: sleeping++; break;
1769 case TSSWAP: paging++; break;
1770 case TSSTOP: stopped++; break;
1771 case TSZOMB: zombies++; break;
1772 }
1773 }
1774 if (nthreads < MAXTHRDENTRY)
1775 break;
1776 }
1778 pse.cpu_user = 0;
1779 /* tv_usec is nanosec ??? */
1780 pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
1781 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
1783 pse.cpu_system = 0;
1784 /* tv_usec is nanosec ??? */
1785 pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
1786 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
1788 pse.vmem_minflt = 0;
1789 pse.vmem_minflt_counter = procentry[i].pi_minflt;
1790 pse.vmem_majflt = 0;
1791 pse.vmem_majflt_counter = procentry[i].pi_majflt;
1793 pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
1794 pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
1795 /* Not supported */
1796 pse.vmem_data = 0;
1797 pse.vmem_code = 0;
1798 pse.stack_size = 0;
1800 pse.io_rchar = -1;
1801 pse.io_wchar = -1;
1802 pse.io_syscr = -1;
1803 pse.io_syscw = -1;
1805 ps_list_add (cmdline, cargs, &pse);
1806 } /* for (i = 0 .. nprocs) */
1808 if (nprocs < MAXPROCENTRY)
1809 break;
1810 } /* while (getprocs64() > 0) */
1811 ps_submit_state ("running", running);
1812 ps_submit_state ("sleeping", sleeping);
1813 ps_submit_state ("zombies", zombies);
1814 ps_submit_state ("stopped", stopped);
1815 ps_submit_state ("paging", paging);
1816 ps_submit_state ("blocked", blocked);
1818 for (ps = list_head_g; ps != NULL; ps = ps->next)
1819 ps_submit_proc_list (ps);
1820 #endif /* HAVE_PROCINFO_H */
1822 return (0);
1823 } /* int ps_read */
1825 void module_register (void)
1826 {
1827 plugin_register_config ("processes", ps_config,
1828 config_keys, config_keys_num);
1829 plugin_register_init ("processes", ps_init);
1830 plugin_register_read ("processes", ps_read);
1831 } /* void module_register */