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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 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License along
21 * with this program; if not, write to the Free Software Foundation, Inc.,
22 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 *
24 * Authors:
25 * Lyonel Vincent <lyonel at ezix.org>
26 * Florian octo Forster <octo at verplant.org>
27 * Oleg King <king2 at kaluga.ru>
28 * Sebastian Harl <sh at tokkee.org>
29 * Andrés J. Díaz <ajdiaz at connectical.com>
30 * Manuel Sanmartin
31 **/
33 #include "collectd.h"
34 #include "common.h"
35 #include "plugin.h"
36 #include "configfile.h"
38 /* Include header files for the mach system, if they exist.. */
39 #if HAVE_THREAD_INFO
40 # if HAVE_MACH_MACH_INIT_H
41 # include <mach/mach_init.h>
42 # endif
43 # if HAVE_MACH_HOST_PRIV_H
44 # include <mach/host_priv.h>
45 # endif
46 # if HAVE_MACH_MACH_ERROR_H
47 # include <mach/mach_error.h>
48 # endif
49 # if HAVE_MACH_MACH_HOST_H
50 # include <mach/mach_host.h>
51 # endif
52 # if HAVE_MACH_MACH_PORT_H
53 # include <mach/mach_port.h>
54 # endif
55 # if HAVE_MACH_MACH_TYPES_H
56 # include <mach/mach_types.h>
57 # endif
58 # if HAVE_MACH_MESSAGE_H
59 # include <mach/message.h>
60 # endif
61 # if HAVE_MACH_PROCESSOR_SET_H
62 # include <mach/processor_set.h>
63 # endif
64 # if HAVE_MACH_TASK_H
65 # include <mach/task.h>
66 # endif
67 # if HAVE_MACH_THREAD_ACT_H
68 # include <mach/thread_act.h>
69 # endif
70 # if HAVE_MACH_VM_REGION_H
71 # include <mach/vm_region.h>
72 # endif
73 # if HAVE_MACH_VM_MAP_H
74 # include <mach/vm_map.h>
75 # endif
76 # if HAVE_MACH_VM_PROT_H
77 # include <mach/vm_prot.h>
78 # endif
79 # if HAVE_SYS_SYSCTL_H
80 # include <sys/sysctl.h>
81 # endif
82 /* #endif HAVE_THREAD_INFO */
84 #elif KERNEL_LINUX
85 # if HAVE_LINUX_CONFIG_H
86 # include <linux/config.h>
87 # endif
88 # ifndef CONFIG_HZ
89 # define CONFIG_HZ 100
90 # endif
91 /* #endif KERNEL_LINUX */
93 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
94 # include <kvm.h>
95 # include <sys/param.h>
96 # include <sys/sysctl.h>
97 # include <sys/user.h>
98 # include <sys/proc.h>
99 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
101 #elif HAVE_PROCINFO_H
102 # include <procinfo.h>
103 # include <sys/types.h>
105 #define MAXPROCENTRY 32
106 #define MAXTHRDENTRY 16
107 #define MAXARGLN 1024
108 /* #endif HAVE_PROCINFO_H */
110 #else
111 # error "No applicable input method."
112 #endif
114 #if HAVE_REGEX_H
115 # include <regex.h>
116 #endif
118 #ifndef ARG_MAX
119 # define ARG_MAX 4096
120 #endif
122 #define BUFSIZE 256
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 stack_size;
142 unsigned long vmem_minflt;
143 unsigned long vmem_majflt;
144 unsigned long vmem_minflt_counter;
145 unsigned long vmem_majflt_counter;
147 unsigned long cpu_user;
148 unsigned long cpu_system;
149 unsigned long cpu_user_counter;
150 unsigned long cpu_system_counter;
152 /* io data */
153 derive_t io_rchar;
154 derive_t io_wchar;
155 derive_t io_syscr;
156 derive_t io_syscw;
158 struct procstat_entry_s *next;
159 } procstat_entry_t;
161 #define PROCSTAT_NAME_LEN 256
162 typedef struct procstat
163 {
164 char name[PROCSTAT_NAME_LEN];
165 #if HAVE_REGEX_H
166 regex_t *re;
167 #endif
169 unsigned long num_proc;
170 unsigned long num_lwp;
171 unsigned long vmem_size;
172 unsigned long vmem_rss;
173 unsigned long stack_size;
175 unsigned long vmem_minflt_counter;
176 unsigned long vmem_majflt_counter;
178 unsigned long cpu_user_counter;
179 unsigned long cpu_system_counter;
181 /* io data */
182 derive_t io_rchar;
183 derive_t io_wchar;
184 derive_t io_syscr;
185 derive_t io_syscw;
187 struct procstat *next;
188 struct procstat_entry_s *instances;
189 } procstat_t;
191 static procstat_t *list_head_g = NULL;
193 #if HAVE_THREAD_INFO
194 static mach_port_t port_host_self;
195 static mach_port_t port_task_self;
197 static processor_set_name_array_t pset_list;
198 static mach_msg_type_number_t pset_list_len;
199 /* #endif HAVE_THREAD_INFO */
201 #elif KERNEL_LINUX
202 static long pagesize_g;
203 /* #endif KERNEL_LINUX */
205 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
206 /* no global variables */
207 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
209 #elif HAVE_PROCINFO_H
210 static struct procentry64 procentry[MAXPROCENTRY];
211 static struct thrdentry64 thrdentry[MAXTHRDENTRY];
212 static int pagesize;
214 #ifndef _AIXVERSION_610
215 int getprocs64 (void *procsinfo, int sizproc, void *fdsinfo, int sizfd, pid_t *index, int count);
216 int getthrds64( pid_t, void *, int, tid64_t *, int );
217 #endif
218 int getargs (struct procentry64 *processBuffer, int bufferLen, char *argsBuffer, int argsLen);
219 #endif /* HAVE_PROCINFO_H */
221 /* put name of process from config to list_head_g tree
222 list_head_g is a list of 'procstat_t' structs with
223 processes names we want to watch */
224 static void ps_list_register (const char *name, const char *regexp)
225 {
226 procstat_t *new;
227 procstat_t *ptr;
228 int status;
230 new = (procstat_t *) malloc (sizeof (procstat_t));
231 if (new == NULL)
232 {
233 ERROR ("processes plugin: ps_list_register: malloc failed.");
234 return;
235 }
236 memset (new, 0, sizeof (procstat_t));
237 sstrncpy (new->name, name, sizeof (new->name));
239 #if HAVE_REGEX_H
240 if (regexp != NULL)
241 {
242 DEBUG ("ProcessMatch: adding \"%s\" as criteria to process %s.", regexp, name);
243 new->re = (regex_t *) malloc (sizeof (regex_t));
244 if (new->re == NULL)
245 {
246 ERROR ("processes plugin: ps_list_register: malloc failed.");
247 sfree (new);
248 return;
249 }
251 status = regcomp (new->re, regexp, REG_EXTENDED | REG_NOSUB);
252 if (status != 0)
253 {
254 DEBUG ("ProcessMatch: compiling the regular expression \"%s\" failed.", regexp);
255 sfree(new->re);
256 return;
257 }
258 }
259 #else
260 if (regexp != NULL)
261 {
262 ERROR ("processes plugin: ps_list_register: "
263 "Regular expression \"%s\" found in config "
264 "file, but support for regular expressions "
265 "has been disabled at compile time.",
266 regexp);
267 sfree (new);
268 return;
269 }
270 #endif
272 for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
273 {
274 if (strcmp (ptr->name, name) == 0)
275 {
276 WARNING ("processes plugin: You have configured more "
277 "than one `Process' or "
278 "`ProcessMatch' with the same name. "
279 "All but the first setting will be "
280 "ignored.");
281 sfree (new->re);
282 sfree (new);
283 return;
284 }
286 if (ptr->next == NULL)
287 break;
288 }
290 if (ptr == NULL)
291 list_head_g = new;
292 else
293 ptr->next = new;
294 } /* void ps_list_register */
296 /* try to match name against entry, returns 1 if success */
297 static int ps_list_match (const char *name, const char *cmdline, procstat_t *ps)
298 {
299 #if HAVE_REGEX_H
300 if (ps->re != NULL)
301 {
302 int status;
303 const char *str;
305 str = cmdline;
306 if ((str == NULL) || (str[0] == 0))
307 str = name;
309 assert (str != NULL);
311 status = regexec (ps->re, str,
312 /* nmatch = */ 0,
313 /* pmatch = */ NULL,
314 /* eflags = */ 0);
315 if (status == 0)
316 return (1);
317 }
318 else
319 #endif
320 if (strcmp (ps->name, name) == 0)
321 return (1);
323 return (0);
324 } /* int ps_list_match */
326 /* add process entry to 'instances' of process 'name' (or refresh it) */
327 static void ps_list_add (const char *name, const char *cmdline, procstat_entry_t *entry)
328 {
329 procstat_t *ps;
330 procstat_entry_t *pse;
332 if (entry->id == 0)
333 return;
335 for (ps = list_head_g; ps != NULL; ps = ps->next)
336 {
337 if ((ps_list_match (name, cmdline, ps)) == 0)
338 continue;
340 for (pse = ps->instances; pse != NULL; pse = pse->next)
341 if ((pse->id == entry->id) || (pse->next == NULL))
342 break;
344 if ((pse == NULL) || (pse->id != entry->id))
345 {
346 procstat_entry_t *new;
348 new = (procstat_entry_t *) malloc (sizeof (procstat_entry_t));
349 if (new == NULL)
350 return;
351 memset (new, 0, sizeof (procstat_entry_t));
352 new->id = entry->id;
354 if (pse == NULL)
355 ps->instances = new;
356 else
357 pse->next = new;
359 pse = new;
360 }
362 pse->age = 0;
363 pse->num_proc = entry->num_proc;
364 pse->num_lwp = entry->num_lwp;
365 pse->vmem_size = entry->vmem_size;
366 pse->vmem_rss = entry->vmem_rss;
367 pse->stack_size = entry->stack_size;
368 pse->io_rchar = entry->io_rchar;
369 pse->io_wchar = entry->io_wchar;
370 pse->io_syscr = entry->io_syscr;
371 pse->io_syscw = entry->io_syscw;
373 ps->num_proc += pse->num_proc;
374 ps->num_lwp += pse->num_lwp;
375 ps->vmem_size += pse->vmem_size;
376 ps->vmem_rss += pse->vmem_rss;
377 ps->stack_size += pse->stack_size;
379 ps->io_rchar += ((pse->io_rchar == -1)?0:pse->io_rchar);
380 ps->io_wchar += ((pse->io_wchar == -1)?0:pse->io_wchar);
381 ps->io_syscr += ((pse->io_syscr == -1)?0:pse->io_syscr);
382 ps->io_syscw += ((pse->io_syscw == -1)?0:pse->io_syscw);
384 if ((entry->vmem_minflt_counter == 0)
385 && (entry->vmem_majflt_counter == 0))
386 {
387 pse->vmem_minflt_counter += entry->vmem_minflt;
388 pse->vmem_minflt = entry->vmem_minflt;
390 pse->vmem_majflt_counter += entry->vmem_majflt;
391 pse->vmem_majflt = entry->vmem_majflt;
392 }
393 else
394 {
395 if (entry->vmem_minflt_counter < pse->vmem_minflt_counter)
396 {
397 pse->vmem_minflt = entry->vmem_minflt_counter
398 + (ULONG_MAX - pse->vmem_minflt_counter);
399 }
400 else
401 {
402 pse->vmem_minflt = entry->vmem_minflt_counter - pse->vmem_minflt_counter;
403 }
404 pse->vmem_minflt_counter = entry->vmem_minflt_counter;
406 if (entry->vmem_majflt_counter < pse->vmem_majflt_counter)
407 {
408 pse->vmem_majflt = entry->vmem_majflt_counter
409 + (ULONG_MAX - pse->vmem_majflt_counter);
410 }
411 else
412 {
413 pse->vmem_majflt = entry->vmem_majflt_counter - pse->vmem_majflt_counter;
414 }
415 pse->vmem_majflt_counter = entry->vmem_majflt_counter;
416 }
418 ps->vmem_minflt_counter += pse->vmem_minflt;
419 ps->vmem_majflt_counter += pse->vmem_majflt;
421 if ((entry->cpu_user_counter == 0)
422 && (entry->cpu_system_counter == 0))
423 {
424 pse->cpu_user_counter += entry->cpu_user;
425 pse->cpu_user = entry->cpu_user;
427 pse->cpu_system_counter += entry->cpu_system;
428 pse->cpu_system = entry->cpu_system;
429 }
430 else
431 {
432 if (entry->cpu_user_counter < pse->cpu_user_counter)
433 {
434 pse->cpu_user = entry->cpu_user_counter
435 + (ULONG_MAX - pse->cpu_user_counter);
436 }
437 else
438 {
439 pse->cpu_user = entry->cpu_user_counter - pse->cpu_user_counter;
440 }
441 pse->cpu_user_counter = entry->cpu_user_counter;
443 if (entry->cpu_system_counter < pse->cpu_system_counter)
444 {
445 pse->cpu_system = entry->cpu_system_counter
446 + (ULONG_MAX - pse->cpu_system_counter);
447 }
448 else
449 {
450 pse->cpu_system = entry->cpu_system_counter - pse->cpu_system_counter;
451 }
452 pse->cpu_system_counter = entry->cpu_system_counter;
453 }
455 ps->cpu_user_counter += pse->cpu_user;
456 ps->cpu_system_counter += pse->cpu_system;
457 }
458 }
460 /* remove old entries from instances of processes in list_head_g */
461 static void ps_list_reset (void)
462 {
463 procstat_t *ps;
464 procstat_entry_t *pse;
465 procstat_entry_t *pse_prev;
467 for (ps = list_head_g; ps != NULL; ps = ps->next)
468 {
469 ps->num_proc = 0;
470 ps->num_lwp = 0;
471 ps->vmem_size = 0;
472 ps->vmem_rss = 0;
473 ps->stack_size = 0;
474 ps->io_rchar = -1;
475 ps->io_wchar = -1;
476 ps->io_syscr = -1;
477 ps->io_syscw = -1;
479 pse_prev = NULL;
480 pse = ps->instances;
481 while (pse != NULL)
482 {
483 if (pse->age > 10)
484 {
485 DEBUG ("Removing this procstat entry cause it's too old: "
486 "id = %lu; name = %s;",
487 pse->id, ps->name);
489 if (pse_prev == NULL)
490 {
491 ps->instances = pse->next;
492 free (pse);
493 pse = ps->instances;
494 }
495 else
496 {
497 pse_prev->next = pse->next;
498 free (pse);
499 pse = pse_prev->next;
500 }
501 }
502 else
503 {
504 pse->age++;
505 pse_prev = pse;
506 pse = pse->next;
507 }
508 } /* while (pse != NULL) */
509 } /* for (ps = list_head_g; ps != NULL; ps = ps->next) */
510 }
512 /* put all pre-defined 'Process' names from config to list_head_g tree */
513 static int ps_config (const char *key, const char *value)
514 {
515 if (strcasecmp (key, "Process") == 0)
516 {
517 ps_list_register (value, NULL);
518 }
519 else if (strcasecmp (key, "ProcessMatch") == 0)
520 {
521 char *new_val;
522 char *fields[3];
523 int fields_num;
525 new_val = strdup (value);
526 if (new_val == NULL) {
527 ERROR ("processes plugin: strdup failed when processing "
528 "`ProcessMatch %s'.", value);
529 return (1);
530 }
532 fields_num = strsplit (new_val, fields,
533 STATIC_ARRAY_SIZE (fields));
534 if (fields_num != 2)
535 {
536 ERROR ("processes plugin: `ProcessMatch' needs exactly "
537 "two string arguments.");
538 sfree (new_val);
539 return (1);
540 }
541 ps_list_register (fields[0], fields[1]);
542 sfree (new_val);
543 }
544 else
545 {
546 ERROR ("processes plugin: The `%s' configuration option is not "
547 "understood and will be ignored.", key);
548 return (-1);
549 }
551 return (0);
552 }
554 static int ps_init (void)
555 {
556 #if HAVE_THREAD_INFO
557 kern_return_t status;
559 port_host_self = mach_host_self ();
560 port_task_self = mach_task_self ();
562 if (pset_list != NULL)
563 {
564 vm_deallocate (port_task_self,
565 (vm_address_t) pset_list,
566 pset_list_len * sizeof (processor_set_t));
567 pset_list = NULL;
568 pset_list_len = 0;
569 }
571 if ((status = host_processor_sets (port_host_self,
572 &pset_list,
573 &pset_list_len)) != KERN_SUCCESS)
574 {
575 ERROR ("host_processor_sets failed: %s\n",
576 mach_error_string (status));
577 pset_list = NULL;
578 pset_list_len = 0;
579 return (-1);
580 }
581 /* #endif HAVE_THREAD_INFO */
583 #elif KERNEL_LINUX
584 pagesize_g = sysconf(_SC_PAGESIZE);
585 DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
586 pagesize_g, CONFIG_HZ);
587 /* #endif KERNEL_LINUX */
589 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
590 /* no initialization */
591 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
593 #elif HAVE_PROCINFO_H
594 pagesize = getpagesize();
595 #endif /* HAVE_PROCINFO_H */
597 return (0);
598 } /* int ps_init */
600 /* submit global state (e.g.: qty of zombies, running, etc..) */
601 static void ps_submit_state (const char *state, double value)
602 {
603 value_t values[1];
604 value_list_t vl = VALUE_LIST_INIT;
606 values[0].gauge = value;
608 vl.values = values;
609 vl.values_len = 1;
610 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
611 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
612 sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
613 sstrncpy (vl.type, "ps_state", sizeof (vl.type));
614 sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
616 plugin_dispatch_values (&vl);
617 }
619 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
620 static void ps_submit_proc_list (procstat_t *ps)
621 {
622 value_t values[2];
623 value_list_t vl = VALUE_LIST_INIT;
625 vl.values = values;
626 vl.values_len = 2;
627 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
628 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
629 sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
631 sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
632 vl.values[0].gauge = ps->vmem_size;
633 vl.values_len = 1;
634 plugin_dispatch_values (&vl);
636 sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
637 vl.values[0].gauge = ps->vmem_rss;
638 vl.values_len = 1;
639 plugin_dispatch_values (&vl);
641 sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
642 vl.values[0].gauge = ps->stack_size;
643 vl.values_len = 1;
644 plugin_dispatch_values (&vl);
646 sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
647 vl.values[0].counter = ps->cpu_user_counter;
648 vl.values[1].counter = ps->cpu_system_counter;
649 vl.values_len = 2;
650 plugin_dispatch_values (&vl);
652 sstrncpy (vl.type, "ps_count", sizeof (vl.type));
653 vl.values[0].gauge = ps->num_proc;
654 vl.values[1].gauge = ps->num_lwp;
655 vl.values_len = 2;
656 plugin_dispatch_values (&vl);
658 sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
659 vl.values[0].counter = ps->vmem_minflt_counter;
660 vl.values[1].counter = ps->vmem_majflt_counter;
661 vl.values_len = 2;
662 plugin_dispatch_values (&vl);
664 if ( (ps->io_rchar != -1) && (ps->io_wchar != -1) )
665 {
666 sstrncpy (vl.type, "ps_disk_octets", sizeof (vl.type));
667 vl.values[0].derive = ps->io_rchar;
668 vl.values[1].derive = ps->io_wchar;
669 vl.values_len = 2;
670 plugin_dispatch_values (&vl);
671 }
673 if ( (ps->io_syscr != -1) && (ps->io_syscw != -1) )
674 {
675 sstrncpy (vl.type, "ps_disk_ops", sizeof (vl.type));
676 vl.values[0].derive = ps->io_syscr;
677 vl.values[1].derive = ps->io_syscw;
678 vl.values_len = 2;
679 plugin_dispatch_values (&vl);
680 }
682 DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; vmem_rss = %lu; "
683 "vmem_minflt_counter = %lu; vmem_majflt_counter = %lu; "
684 "cpu_user_counter = %lu; cpu_system_counter = %lu; "
685 "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
686 "io_syscr = %"PRIi64"; io_syscw = %"PRIi64";",
687 ps->name, ps->num_proc, ps->num_lwp, ps->vmem_rss,
688 ps->vmem_minflt_counter, ps->vmem_majflt_counter,
689 ps->cpu_user_counter, ps->cpu_system_counter,
690 ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw);
691 } /* void ps_submit_proc_list */
693 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
694 #if KERNEL_LINUX
695 static int ps_read_tasks (int pid)
696 {
697 char dirname[64];
698 DIR *dh;
699 struct dirent *ent;
700 int count = 0;
702 ssnprintf (dirname, sizeof (dirname), "/proc/%i/task", pid);
704 if ((dh = opendir (dirname)) == NULL)
705 {
706 DEBUG ("Failed to open directory `%s'", dirname);
707 return (-1);
708 }
710 while ((ent = readdir (dh)) != NULL)
711 {
712 if (!isdigit ((int) ent->d_name[0]))
713 continue;
714 else
715 count++;
716 }
717 closedir (dh);
719 return ((count >= 1) ? count : 1);
720 } /* int *ps_read_tasks */
722 static procstat_t *ps_read_io (int pid, procstat_t *ps)
723 {
724 FILE *fh;
725 char buffer[1024];
726 char filename[64];
728 char *fields[8];
729 int numfields;
731 ssnprintf (filename, sizeof (filename), "/proc/%i/io", pid);
732 if ((fh = fopen (filename, "r")) == NULL)
733 return (NULL);
735 while (fgets (buffer, 1024, fh) != NULL)
736 {
737 derive_t *val = NULL;
738 long long tmp;
739 char *endptr;
741 if (strncasecmp (buffer, "rchar:", 6) == 0)
742 val = &(ps->io_rchar);
743 else if (strncasecmp (buffer, "wchar:", 6) == 0)
744 val = &(ps->io_wchar);
745 else if (strncasecmp (buffer, "syscr:", 6) == 0)
746 val = &(ps->io_syscr);
747 else if (strncasecmp (buffer, "syscw:", 6) == 0)
748 val = &(ps->io_syscw);
749 else
750 continue;
752 numfields = strsplit (buffer, fields, 8);
754 if (numfields < 2)
755 continue;
757 errno = 0;
758 endptr = NULL;
759 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
760 if ((errno != 0) || (endptr == fields[1]))
761 *val = -1;
762 else
763 *val = (derive_t) tmp;
764 } /* while (fgets) */
766 if (fclose (fh))
767 {
768 char errbuf[1024];
769 WARNING ("processes: fclose: %s",
770 sstrerror (errno, errbuf, sizeof (errbuf)));
771 }
773 return (ps);
774 } /* procstat_t *ps_read_io */
776 int ps_read_process (int pid, procstat_t *ps, char *state)
777 {
778 char filename[64];
779 char buffer[1024];
781 char *fields[64];
782 char fields_len;
784 int i;
786 int ppid;
787 int name_len;
789 long long unsigned cpu_user_counter;
790 long long unsigned cpu_system_counter;
791 long long unsigned vmem_size;
792 long long unsigned vmem_rss;
793 long long unsigned stack_size;
795 memset (ps, 0, sizeof (procstat_t));
797 ssnprintf (filename, sizeof (filename), "/proc/%i/stat", pid);
799 i = read_file_contents (filename, buffer, sizeof(buffer) - 1);
800 if (i <= 0)
801 return (-1);
802 buffer[i] = 0;
804 fields_len = strsplit (buffer, fields, 64);
805 if (fields_len < 24)
806 {
807 DEBUG ("processes plugin: ps_read_process (pid = %i):"
808 " `%s' has only %i fields..",
809 (int) pid, filename, fields_len);
810 return (-1);
811 }
813 /* copy the name, strip brackets in the process */
814 name_len = strlen (fields[1]) - 2;
815 if ((fields[1][0] != '(') || (fields[1][name_len + 1] != ')'))
816 {
817 DEBUG ("No brackets found in process name: `%s'", fields[1]);
818 return (-1);
819 }
820 fields[1] = fields[1] + 1;
821 fields[1][name_len] = '\0';
822 strncpy (ps->name, fields[1], PROCSTAT_NAME_LEN);
824 ppid = atoi (fields[3]);
826 *state = fields[2][0];
828 if (*state == 'Z')
829 {
830 ps->num_lwp = 0;
831 ps->num_proc = 0;
832 }
833 else
834 {
835 if ( (ps->num_lwp = ps_read_tasks (pid)) == -1 )
836 {
837 /* returns -1 => kernel 2.4 */
838 ps->num_lwp = 1;
839 }
840 ps->num_proc = 1;
841 }
843 /* Leave the rest at zero if this is only a zombi */
844 if (ps->num_proc == 0)
845 {
846 DEBUG ("processes plugin: This is only a zombi: pid = %i; "
847 "name = %s;", pid, ps->name);
848 return (0);
849 }
851 cpu_user_counter = atoll (fields[13]);
852 cpu_system_counter = atoll (fields[14]);
853 vmem_size = atoll (fields[22]);
854 vmem_rss = atoll (fields[23]);
855 ps->vmem_minflt_counter = atol (fields[9]);
856 ps->vmem_majflt_counter = atol (fields[11]);
858 {
859 unsigned long long stack_start = atoll (fields[27]);
860 unsigned long long stack_ptr = atoll (fields[28]);
862 stack_size = (stack_start > stack_ptr)
863 ? stack_start - stack_ptr
864 : stack_ptr - stack_start;
865 }
867 /* Convert jiffies to useconds */
868 cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
869 cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
870 vmem_rss = vmem_rss * pagesize_g;
872 ps->cpu_user_counter = (unsigned long) cpu_user_counter;
873 ps->cpu_system_counter = (unsigned long) cpu_system_counter;
874 ps->vmem_size = (unsigned long) vmem_size;
875 ps->vmem_rss = (unsigned long) vmem_rss;
876 ps->stack_size = (unsigned long) stack_size;
878 if ( (ps_read_io (pid, ps)) == NULL)
879 {
880 /* no io data */
881 ps->io_rchar = -1;
882 ps->io_wchar = -1;
883 ps->io_syscr = -1;
884 ps->io_syscw = -1;
886 DEBUG("ps_read_process: not get io data for pid %i",pid);
887 }
889 /* success */
890 return (0);
891 } /* int ps_read_process (...) */
893 static char *ps_get_cmdline (pid_t pid, char *name, char *buf, size_t buf_len)
894 {
895 char *buf_ptr;
896 size_t len;
898 char file[PATH_MAX];
899 int fd;
901 size_t n;
903 if ((pid < 1) || (NULL == buf) || (buf_len < 2))
904 return NULL;
906 ssnprintf (file, sizeof (file), "/proc/%u/cmdline",
907 (unsigned int) pid);
909 errno = 0;
910 fd = open (file, O_RDONLY);
911 if (fd < 0) {
912 char errbuf[4096];
913 /* ENOENT means the process exited while we were handling it.
914 * Don't complain about this, it only fills the logs. */
915 if (errno != ENOENT)
916 WARNING ("processes plugin: Failed to open `%s': %s.", file,
917 sstrerror (errno, errbuf, sizeof (errbuf)));
918 return NULL;
919 }
921 buf_ptr = buf;
922 len = buf_len;
924 n = 0;
926 while (42) {
927 ssize_t status;
929 status = read (fd, (void *)buf_ptr, len);
931 if (status < 0) {
932 char errbuf[1024];
934 if ((EAGAIN == errno) || (EINTR == errno))
935 continue;
937 WARNING ("processes plugin: Failed to read from `%s': %s.", file,
938 sstrerror (errno, errbuf, sizeof (errbuf)));
939 close (fd);
940 return NULL;
941 }
943 n += status;
945 if (status == 0)
946 break;
948 buf_ptr += status;
949 len -= status;
951 if (len <= 0)
952 break;
953 }
955 close (fd);
957 if (0 == n) {
958 /* cmdline not available; e.g. kernel thread, zombie */
959 if (NULL == name)
960 return NULL;
962 ssnprintf (buf, buf_len, "[%s]", name);
963 return buf;
964 }
966 assert (n <= buf_len);
968 if (n == buf_len)
969 --n;
970 buf[n] = '\0';
972 --n;
973 /* remove trailing whitespace */
974 while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
975 buf[n] = '\0';
976 --n;
977 }
979 /* arguments are separated by '\0' in /proc/<pid>/cmdline */
980 while (n > 0) {
981 if ('\0' == buf[n])
982 buf[n] = ' ';
983 --n;
984 }
985 return buf;
986 } /* char *ps_get_cmdline (...) */
988 static unsigned long read_fork_rate ()
989 {
990 FILE *proc_stat;
991 char buf[1024];
992 unsigned long result = 0;
993 int numfields;
994 char *fields[3];
996 proc_stat = fopen("/proc/stat", "r");
997 if (proc_stat == NULL) {
998 char errbuf[1024];
999 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1000 sstrerror (errno, errbuf, sizeof (errbuf)));
1001 return ULONG_MAX;
1002 }
1004 while (fgets (buf, sizeof(buf), proc_stat) != NULL)
1005 {
1006 char *endptr;
1008 numfields = strsplit(buf, fields, STATIC_ARRAY_SIZE (fields));
1009 if (numfields != 2)
1010 continue;
1012 if (strcmp ("processes", fields[0]) != 0)
1013 continue;
1015 errno = 0;
1016 endptr = NULL;
1017 result = strtoul(fields[1], &endptr, 10);
1018 if ((endptr == fields[1]) || (errno != 0)) {
1019 ERROR ("processes plugin: Cannot parse fork rate: %s",
1020 fields[1]);
1021 result = ULONG_MAX;
1022 break;
1023 }
1025 break;
1026 }
1028 fclose(proc_stat);
1030 return result;
1031 }
1033 static void ps_submit_fork_rate (unsigned long value)
1034 {
1035 value_t values[1];
1036 value_list_t vl = VALUE_LIST_INIT;
1038 values[0].derive = (derive_t) value;
1040 vl.values = values;
1041 vl.values_len = 1;
1042 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
1043 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
1044 sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
1045 sstrncpy (vl.type, "fork_rate", sizeof (vl.type));
1046 sstrncpy (vl.type_instance, "", sizeof (vl.type_instance));
1048 plugin_dispatch_values (&vl);
1049 }
1051 #endif /* KERNEL_LINUX */
1053 #if HAVE_THREAD_INFO
1054 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1055 {
1056 int mib[4];
1058 struct kinfo_proc kp;
1059 size_t kp_size;
1061 mib[0] = CTL_KERN;
1062 mib[1] = KERN_PROC;
1063 mib[2] = KERN_PROC_PID;
1065 if (pid_for_task (t, pid) != KERN_SUCCESS)
1066 return (-1);
1067 mib[3] = *pid;
1069 kp_size = sizeof (kp);
1070 if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1071 return (-1);
1073 if (name_max_len > (MAXCOMLEN + 1))
1074 name_max_len = MAXCOMLEN + 1;
1076 strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1077 name[name_max_len - 1] = '\0';
1079 DEBUG ("pid = %i; name = %s;", *pid, name);
1081 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1082 * `top' does it, because it is a lot of work and only used when
1083 * debugging. -octo */
1085 return (0);
1086 }
1087 #endif /* HAVE_THREAD_INFO */
1088 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1090 /* do actual readings from kernel */
1091 static int ps_read (void)
1092 {
1093 #if HAVE_THREAD_INFO
1094 kern_return_t status;
1096 int pset;
1097 processor_set_t port_pset_priv;
1099 int task;
1100 task_array_t task_list;
1101 mach_msg_type_number_t task_list_len;
1103 int task_pid;
1104 char task_name[MAXCOMLEN + 1];
1106 int thread;
1107 thread_act_array_t thread_list;
1108 mach_msg_type_number_t thread_list_len;
1109 thread_basic_info_data_t thread_data;
1110 mach_msg_type_number_t thread_data_len;
1112 int running = 0;
1113 int sleeping = 0;
1114 int zombies = 0;
1115 int stopped = 0;
1116 int blocked = 0;
1118 procstat_t *ps;
1119 procstat_entry_t pse;
1121 ps_list_reset ();
1123 /*
1124 * The Mach-concept is a little different from the traditional UNIX
1125 * concept: All the work is done in threads. Threads are contained in
1126 * `tasks'. Therefore, `task status' doesn't make much sense, since
1127 * it's actually a `thread status'.
1128 * Tasks are assigned to sets of processors, so that's where you go to
1129 * get a list.
1130 */
1131 for (pset = 0; pset < pset_list_len; pset++)
1132 {
1133 if ((status = host_processor_set_priv (port_host_self,
1134 pset_list[pset],
1135 &port_pset_priv)) != KERN_SUCCESS)
1136 {
1137 ERROR ("host_processor_set_priv failed: %s\n",
1138 mach_error_string (status));
1139 continue;
1140 }
1142 if ((status = processor_set_tasks (port_pset_priv,
1143 &task_list,
1144 &task_list_len)) != KERN_SUCCESS)
1145 {
1146 ERROR ("processor_set_tasks failed: %s\n",
1147 mach_error_string (status));
1148 mach_port_deallocate (port_task_self, port_pset_priv);
1149 continue;
1150 }
1152 for (task = 0; task < task_list_len; task++)
1153 {
1154 ps = NULL;
1155 if (mach_get_task_name (task_list[task],
1156 &task_pid,
1157 task_name, PROCSTAT_NAME_LEN) == 0)
1158 {
1159 /* search for at least one match */
1160 for (ps = list_head_g; ps != NULL; ps = ps->next)
1161 /* FIXME: cmdline should be here instead of NULL */
1162 if (ps_list_match (task_name, NULL, ps) == 1)
1163 break;
1164 }
1166 /* Collect more detailed statistics for this process */
1167 if (ps != NULL)
1168 {
1169 task_basic_info_data_t task_basic_info;
1170 mach_msg_type_number_t task_basic_info_len;
1171 task_events_info_data_t task_events_info;
1172 mach_msg_type_number_t task_events_info_len;
1173 task_absolutetime_info_data_t task_absolutetime_info;
1174 mach_msg_type_number_t task_absolutetime_info_len;
1176 memset (&pse, '\0', sizeof (pse));
1177 pse.id = task_pid;
1179 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1180 status = task_info (task_list[task],
1181 TASK_BASIC_INFO,
1182 (task_info_t) &task_basic_info,
1183 &task_basic_info_len);
1184 if (status != KERN_SUCCESS)
1185 {
1186 ERROR ("task_info failed: %s",
1187 mach_error_string (status));
1188 continue; /* with next thread_list */
1189 }
1191 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1192 status = task_info (task_list[task],
1193 TASK_EVENTS_INFO,
1194 (task_info_t) &task_events_info,
1195 &task_events_info_len);
1196 if (status != KERN_SUCCESS)
1197 {
1198 ERROR ("task_info failed: %s",
1199 mach_error_string (status));
1200 continue; /* with next thread_list */
1201 }
1203 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1204 status = task_info (task_list[task],
1205 TASK_ABSOLUTETIME_INFO,
1206 (task_info_t) &task_absolutetime_info,
1207 &task_absolutetime_info_len);
1208 if (status != KERN_SUCCESS)
1209 {
1210 ERROR ("task_info failed: %s",
1211 mach_error_string (status));
1212 continue; /* with next thread_list */
1213 }
1215 pse.num_proc++;
1216 pse.vmem_rss = task_basic_info.resident_size;
1218 pse.vmem_minflt_counter = task_events_info.cow_faults;
1219 pse.vmem_majflt_counter = task_events_info.faults;
1221 pse.cpu_user_counter = task_absolutetime_info.total_user;
1222 pse.cpu_system_counter = task_absolutetime_info.total_system;
1223 }
1225 status = task_threads (task_list[task], &thread_list,
1226 &thread_list_len);
1227 if (status != KERN_SUCCESS)
1228 {
1229 /* Apple's `top' treats this case a zombie. It
1230 * makes sense to some extend: A `zombie'
1231 * thread is nonsense, since the task/process
1232 * is dead. */
1233 zombies++;
1234 DEBUG ("task_threads failed: %s",
1235 mach_error_string (status));
1236 if (task_list[task] != port_task_self)
1237 mach_port_deallocate (port_task_self,
1238 task_list[task]);
1239 continue; /* with next task_list */
1240 }
1242 for (thread = 0; thread < thread_list_len; thread++)
1243 {
1244 thread_data_len = THREAD_BASIC_INFO_COUNT;
1245 status = thread_info (thread_list[thread],
1246 THREAD_BASIC_INFO,
1247 (thread_info_t) &thread_data,
1248 &thread_data_len);
1249 if (status != KERN_SUCCESS)
1250 {
1251 ERROR ("thread_info failed: %s",
1252 mach_error_string (status));
1253 if (task_list[task] != port_task_self)
1254 mach_port_deallocate (port_task_self,
1255 thread_list[thread]);
1256 continue; /* with next thread_list */
1257 }
1259 if (ps != NULL)
1260 pse.num_lwp++;
1262 switch (thread_data.run_state)
1263 {
1264 case TH_STATE_RUNNING:
1265 running++;
1266 break;
1267 case TH_STATE_STOPPED:
1268 /* What exactly is `halted'? */
1269 case TH_STATE_HALTED:
1270 stopped++;
1271 break;
1272 case TH_STATE_WAITING:
1273 sleeping++;
1274 break;
1275 case TH_STATE_UNINTERRUPTIBLE:
1276 blocked++;
1277 break;
1278 /* There is no `zombie' case here,
1279 * since there are no zombie-threads.
1280 * There's only zombie tasks, which are
1281 * handled above. */
1282 default:
1283 WARNING ("Unknown thread status: %i",
1284 thread_data.run_state);
1285 break;
1286 } /* switch (thread_data.run_state) */
1288 if (task_list[task] != port_task_self)
1289 {
1290 status = mach_port_deallocate (port_task_self,
1291 thread_list[thread]);
1292 if (status != KERN_SUCCESS)
1293 ERROR ("mach_port_deallocate failed: %s",
1294 mach_error_string (status));
1295 }
1296 } /* for (thread_list) */
1298 if ((status = vm_deallocate (port_task_self,
1299 (vm_address_t) thread_list,
1300 thread_list_len * sizeof (thread_act_t)))
1301 != KERN_SUCCESS)
1302 {
1303 ERROR ("vm_deallocate failed: %s",
1304 mach_error_string (status));
1305 }
1306 thread_list = NULL;
1307 thread_list_len = 0;
1309 /* Only deallocate the task port, if it isn't our own.
1310 * Don't know what would happen in that case, but this
1311 * is what Apple's top does.. ;) */
1312 if (task_list[task] != port_task_self)
1313 {
1314 status = mach_port_deallocate (port_task_self,
1315 task_list[task]);
1316 if (status != KERN_SUCCESS)
1317 ERROR ("mach_port_deallocate failed: %s",
1318 mach_error_string (status));
1319 }
1321 if (ps != NULL)
1322 /* FIXME: cmdline should be here instead of NULL */
1323 ps_list_add (task_name, NULL, &pse);
1324 } /* for (task_list) */
1326 if ((status = vm_deallocate (port_task_self,
1327 (vm_address_t) task_list,
1328 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1329 {
1330 ERROR ("vm_deallocate failed: %s",
1331 mach_error_string (status));
1332 }
1333 task_list = NULL;
1334 task_list_len = 0;
1336 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1337 != KERN_SUCCESS)
1338 {
1339 ERROR ("mach_port_deallocate failed: %s",
1340 mach_error_string (status));
1341 }
1342 } /* for (pset_list) */
1344 ps_submit_state ("running", running);
1345 ps_submit_state ("sleeping", sleeping);
1346 ps_submit_state ("zombies", zombies);
1347 ps_submit_state ("stopped", stopped);
1348 ps_submit_state ("blocked", blocked);
1350 for (ps = list_head_g; ps != NULL; ps = ps->next)
1351 ps_submit_proc_list (ps);
1352 /* #endif HAVE_THREAD_INFO */
1354 #elif KERNEL_LINUX
1355 int running = 0;
1356 int sleeping = 0;
1357 int zombies = 0;
1358 int stopped = 0;
1359 int paging = 0;
1360 int blocked = 0;
1362 struct dirent *ent;
1363 DIR *proc;
1364 int pid;
1366 char cmdline[ARG_MAX];
1368 int status;
1369 procstat_t ps;
1370 procstat_entry_t pse;
1371 char state;
1373 unsigned long fork_rate;
1375 procstat_t *ps_ptr;
1377 running = sleeping = zombies = stopped = paging = blocked = 0;
1378 ps_list_reset ();
1380 if ((proc = opendir ("/proc")) == NULL)
1381 {
1382 char errbuf[1024];
1383 ERROR ("Cannot open `/proc': %s",
1384 sstrerror (errno, errbuf, sizeof (errbuf)));
1385 return (-1);
1386 }
1388 while ((ent = readdir (proc)) != NULL)
1389 {
1390 if (!isdigit (ent->d_name[0]))
1391 continue;
1393 if ((pid = atoi (ent->d_name)) < 1)
1394 continue;
1396 status = ps_read_process (pid, &ps, &state);
1397 if (status != 0)
1398 {
1399 DEBUG ("ps_read_process failed: %i", status);
1400 continue;
1401 }
1403 pse.id = pid;
1404 pse.age = 0;
1406 pse.num_proc = ps.num_proc;
1407 pse.num_lwp = ps.num_lwp;
1408 pse.vmem_size = ps.vmem_size;
1409 pse.vmem_rss = ps.vmem_rss;
1410 pse.stack_size = ps.stack_size;
1412 pse.vmem_minflt = 0;
1413 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1414 pse.vmem_majflt = 0;
1415 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1417 pse.cpu_user = 0;
1418 pse.cpu_user_counter = ps.cpu_user_counter;
1419 pse.cpu_system = 0;
1420 pse.cpu_system_counter = ps.cpu_system_counter;
1422 pse.io_rchar = ps.io_rchar;
1423 pse.io_wchar = ps.io_wchar;
1424 pse.io_syscr = ps.io_syscr;
1425 pse.io_syscw = ps.io_syscw;
1427 switch (state)
1428 {
1429 case 'R': running++; break;
1430 case 'S': sleeping++; break;
1431 case 'D': blocked++; break;
1432 case 'Z': zombies++; break;
1433 case 'T': stopped++; break;
1434 case 'W': paging++; break;
1435 }
1437 ps_list_add (ps.name,
1438 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1439 &pse);
1440 }
1442 closedir (proc);
1444 ps_submit_state ("running", running);
1445 ps_submit_state ("sleeping", sleeping);
1446 ps_submit_state ("zombies", zombies);
1447 ps_submit_state ("stopped", stopped);
1448 ps_submit_state ("paging", paging);
1449 ps_submit_state ("blocked", blocked);
1451 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1452 ps_submit_proc_list (ps_ptr);
1454 fork_rate = read_fork_rate();
1455 if (fork_rate != ULONG_MAX)
1456 ps_submit_fork_rate(fork_rate);
1457 /* #endif KERNEL_LINUX */
1459 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1460 int running = 0;
1461 int sleeping = 0;
1462 int zombies = 0;
1463 int stopped = 0;
1464 int blocked = 0;
1465 int idle = 0;
1466 int wait = 0;
1468 kvm_t *kd;
1469 char errbuf[1024];
1470 char cmdline[ARG_MAX];
1471 char *cmdline_ptr;
1472 struct kinfo_proc *procs; /* array of processes */
1473 char **argv;
1474 int count; /* returns number of processes */
1475 int i;
1477 procstat_t *ps_ptr;
1478 procstat_entry_t pse;
1480 ps_list_reset ();
1482 /* Open the kvm interface, get a descriptor */
1483 kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
1484 if (kd == NULL)
1485 {
1486 ERROR ("processes plugin: Cannot open kvm interface: %s",
1487 errbuf);
1488 return (0);
1489 }
1491 /* Get the list of processes. */
1492 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1493 if (procs == NULL)
1494 {
1495 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1496 kvm_geterr(kd));
1497 kvm_close (kd);
1498 return (0);
1499 }
1501 /* Iterate through the processes in kinfo_proc */
1502 for (i = 0; i < count; i++)
1503 {
1504 /* retrieve the arguments */
1505 cmdline[0] = 0;
1506 cmdline_ptr = NULL;
1508 argv = kvm_getargv (kd, (const struct kinfo_proc *) &(procs[i]), 0);
1509 if (argv != NULL)
1510 {
1511 int status;
1512 int argc;
1514 argc = 0;
1515 while (argv[argc] != NULL)
1516 argc++;
1518 status = strjoin (cmdline, sizeof (cmdline),
1519 argv, argc, " ");
1521 if (status < 0)
1522 {
1523 WARNING ("processes plugin: Command line did "
1524 "not fit into buffer.");
1525 }
1526 else
1527 {
1528 cmdline_ptr = &cmdline[0];
1529 }
1530 }
1532 pse.id = procs[i].ki_pid;
1533 pse.age = 0;
1535 pse.num_proc = 1;
1536 pse.num_lwp = procs[i].ki_numthreads;
1538 pse.vmem_size = procs[i].ki_size;
1539 pse.vmem_rss = procs[i].ki_rssize * getpagesize();
1540 pse.stack_size = procs[i].ki_ssize * getpagesize();
1541 pse.vmem_minflt = 0;
1542 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1543 pse.vmem_majflt = 0;
1544 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1546 pse.cpu_user = 0;
1547 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_sec
1548 * 1000
1549 + procs[i].ki_rusage.ru_utime.tv_usec;
1550 pse.cpu_system = 0;
1551 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_sec
1552 * 1000
1553 + procs[i].ki_rusage.ru_stime.tv_usec;
1555 /* no io data */
1556 pse.io_rchar = -1;
1557 pse.io_wchar = -1;
1558 pse.io_syscr = -1;
1559 pse.io_syscw = -1;
1561 switch (procs[i].ki_stat)
1562 {
1563 case SSTOP: stopped++; break;
1564 case SSLEEP: sleeping++; break;
1565 case SRUN: running++; break;
1566 case SIDL: idle++; break;
1567 case SWAIT: wait++; break;
1568 case SLOCK: blocked++; break;
1569 case SZOMB: zombies++; break;
1570 }
1572 ps_list_add (procs[i].ki_comm, cmdline_ptr, &pse);
1573 }
1575 kvm_close(kd);
1577 ps_submit_state ("running", running);
1578 ps_submit_state ("sleeping", sleeping);
1579 ps_submit_state ("zombies", zombies);
1580 ps_submit_state ("stopped", stopped);
1581 ps_submit_state ("blocked", blocked);
1582 ps_submit_state ("idle", idle);
1583 ps_submit_state ("wait", wait);
1585 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1586 ps_submit_proc_list (ps_ptr);
1587 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
1589 #elif HAVE_PROCINFO_H
1590 /* AIX */
1591 int running = 0;
1592 int sleeping = 0;
1593 int zombies = 0;
1594 int stopped = 0;
1595 int paging = 0;
1596 int blocked = 0;
1598 pid_t pindex = 0;
1599 int nprocs;
1601 procstat_t *ps;
1602 procstat_entry_t pse;
1604 ps_list_reset ();
1605 while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
1606 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
1607 &pindex, MAXPROCENTRY)) > 0)
1608 {
1609 int i;
1611 for (i = 0; i < nprocs; i++)
1612 {
1613 tid64_t thindex;
1614 int nthreads;
1615 char arglist[MAXARGLN+1];
1616 char *cargs;
1617 char *cmdline;
1619 if (procentry[i].pi_state == SNONE) continue;
1620 /* if (procentry[i].pi_state == SZOMB) FIXME */
1622 cmdline = procentry[i].pi_comm;
1623 cargs = procentry[i].pi_comm;
1624 if ( procentry[i].pi_flags & SKPROC )
1625 {
1626 if (procentry[i].pi_pid == 0)
1627 cmdline = "swapper";
1628 cargs = cmdline;
1629 }
1630 else
1631 {
1632 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
1633 {
1634 int n;
1636 n = -1;
1637 while (++n < MAXARGLN)
1638 {
1639 if (arglist[n] == '\0')
1640 {
1641 if (arglist[n+1] == '\0')
1642 break;
1643 arglist[n] = ' ';
1644 }
1645 }
1646 cargs = arglist;
1647 }
1648 }
1650 pse.id = procentry[i].pi_pid;
1651 pse.age = 0;
1652 pse.num_lwp = procentry[i].pi_thcount;
1653 pse.num_proc = 1;
1655 thindex=0;
1656 while ((nthreads = getthrds64(procentry[i].pi_pid,
1657 thrdentry, sizeof(struct thrdentry64),
1658 &thindex, MAXTHRDENTRY)) > 0)
1659 {
1660 int j;
1662 for (j=0; j< nthreads; j++)
1663 {
1664 switch (thrdentry[j].ti_state)
1665 {
1666 /* case TSNONE: break; */
1667 case TSIDL: blocked++; break; /* FIXME is really blocked */
1668 case TSRUN: running++; break;
1669 case TSSLEEP: sleeping++; break;
1670 case TSSWAP: paging++; break;
1671 case TSSTOP: stopped++; break;
1672 case TSZOMB: zombies++; break;
1673 }
1674 }
1675 if (nthreads < MAXTHRDENTRY)
1676 break;
1677 }
1679 pse.cpu_user = 0;
1680 /* tv_usec is nanosec ??? */
1681 pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
1682 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
1684 pse.cpu_system = 0;
1685 /* tv_usec is nanosec ??? */
1686 pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
1687 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
1689 pse.vmem_minflt = 0;
1690 pse.vmem_minflt_counter = procentry[i].pi_minflt;
1691 pse.vmem_majflt = 0;
1692 pse.vmem_majflt_counter = procentry[i].pi_majflt;
1694 pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
1695 pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
1696 pse.stack_size = 0;
1698 pse.io_rchar = -1;
1699 pse.io_wchar = -1;
1700 pse.io_syscr = -1;
1701 pse.io_syscw = -1;
1703 ps_list_add (cmdline, cargs, &pse);
1704 } /* for (i = 0 .. nprocs) */
1706 if (nprocs < MAXPROCENTRY)
1707 break;
1708 } /* while (getprocs64() > 0) */
1709 ps_submit_state ("running", running);
1710 ps_submit_state ("sleeping", sleeping);
1711 ps_submit_state ("zombies", zombies);
1712 ps_submit_state ("stopped", stopped);
1713 ps_submit_state ("paging", paging);
1714 ps_submit_state ("blocked", blocked);
1716 for (ps = list_head_g; ps != NULL; ps = ps->next)
1717 ps_submit_proc_list (ps);
1718 #endif /* HAVE_PROCINFO_H */
1720 return (0);
1721 } /* int ps_read */
1723 void module_register (void)
1724 {
1725 plugin_register_config ("processes", ps_config,
1726 config_keys, config_keys_num);
1727 plugin_register_init ("processes", ps_init);
1728 plugin_register_read ("processes", ps_read);
1729 } /* void module_register */