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1 /**
2 * collectd - src/processes.c
3 * Copyright (C) 2005 Lyonel Vincent
4 * Copyright (C) 2006-2010 Florian octo Forster
5 * Copyright (C) 2008 Oleg King
6 * Copyright (C) 2009 Sebastian Harl
7 * Copyright (C) 2009 Andrés J. Díaz
8 * Copyright (C) 2009 Manuel Sanmartin
9 * Copyright (C) 2010 Clément Stenac
10 * Copyright (C) 2012 Cosmin Ioiart
11 *
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License as published by the
14 * Free Software Foundation; either version 2 of the License, or (at your
15 * option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License along
23 * with this program; if not, write to the Free Software Foundation, Inc.,
24 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
25 *
26 * Authors:
27 * Lyonel Vincent <lyonel at ezix.org>
28 * Florian octo Forster <octo at collectd.org>
29 * Oleg King <king2 at kaluga.ru>
30 * Sebastian Harl <sh at tokkee.org>
31 * Andrés J. Díaz <ajdiaz at connectical.com>
32 * Manuel Sanmartin
33 * Clément Stenac <clement.stenac at diwi.org>
34 * Cosmin Ioiart <cioiart at gmail.com>
35 **/
37 #include "collectd.h"
38 #include "common.h"
39 #include "plugin.h"
40 #include "configfile.h"
42 /* Include header files for the mach system, if they exist.. */
43 #if HAVE_THREAD_INFO
44 # if HAVE_MACH_MACH_INIT_H
45 # include <mach/mach_init.h>
46 # endif
47 # if HAVE_MACH_HOST_PRIV_H
48 # include <mach/host_priv.h>
49 # endif
50 # if HAVE_MACH_MACH_ERROR_H
51 # include <mach/mach_error.h>
52 # endif
53 # if HAVE_MACH_MACH_HOST_H
54 # include <mach/mach_host.h>
55 # endif
56 # if HAVE_MACH_MACH_PORT_H
57 # include <mach/mach_port.h>
58 # endif
59 # if HAVE_MACH_MACH_TYPES_H
60 # include <mach/mach_types.h>
61 # endif
62 # if HAVE_MACH_MESSAGE_H
63 # include <mach/message.h>
64 # endif
65 # if HAVE_MACH_PROCESSOR_SET_H
66 # include <mach/processor_set.h>
67 # endif
68 # if HAVE_MACH_TASK_H
69 # include <mach/task.h>
70 # endif
71 # if HAVE_MACH_THREAD_ACT_H
72 # include <mach/thread_act.h>
73 # endif
74 # if HAVE_MACH_VM_REGION_H
75 # include <mach/vm_region.h>
76 # endif
77 # if HAVE_MACH_VM_MAP_H
78 # include <mach/vm_map.h>
79 # endif
80 # if HAVE_MACH_VM_PROT_H
81 # include <mach/vm_prot.h>
82 # endif
83 # if HAVE_SYS_SYSCTL_H
84 # include <sys/sysctl.h>
85 # endif
86 /* #endif HAVE_THREAD_INFO */
88 #elif KERNEL_LINUX
89 # if HAVE_LINUX_CONFIG_H
90 # include <linux/config.h>
91 # endif
92 # ifndef CONFIG_HZ
93 # define CONFIG_HZ 100
94 # endif
95 /* #endif KERNEL_LINUX */
97 #elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
98 # include <kvm.h>
99 # include <sys/param.h>
100 # include <sys/sysctl.h>
101 # include <sys/user.h>
102 # include <sys/proc.h>
103 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
105 #elif HAVE_PROCINFO_H
106 # include <procinfo.h>
107 # include <sys/types.h>
109 #define MAXPROCENTRY 32
110 #define MAXTHRDENTRY 16
111 #define MAXARGLN 1024
112 /* #endif HAVE_PROCINFO_H */
114 #elif KERNEL_SOLARIS
115 /* Hack: Avoid #error when building a 32-bit binary with
116 * _FILE_OFFSET_BITS=64. There is a reason for this #error, as one
117 * of the structures in <sys/procfs.h> uses an off_t, but that
118 * isn't relevant to our usage of procfs. */
119 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64
120 # define SAVE_FOB_64
121 # undef _FILE_OFFSET_BITS
122 #endif
124 # include <procfs.h>
126 #ifdef SAVE_FOB_64
127 # define _FILE_OFFSET_BITS 64
128 # undef SAVE_FOB_64
129 #endif
131 # include <dirent.h>
132 /* #endif KERNEL_SOLARIS */
134 #else
135 # error "No applicable input method."
136 #endif
138 #if HAVE_REGEX_H
139 # include <regex.h>
140 #endif
142 #if HAVE_KSTAT_H
143 # include <kstat.h>
144 #endif
146 #ifndef CMDLINE_BUFFER_SIZE
147 # if defined(ARG_MAX) && (ARG_MAX < 4096)
148 # define CMDLINE_BUFFER_SIZE ARG_MAX
149 # else
150 # define CMDLINE_BUFFER_SIZE 4096
151 # endif
152 #endif
154 typedef struct procstat_entry_s
155 {
156 unsigned long id;
157 unsigned long age;
159 unsigned long num_proc;
160 unsigned long num_lwp;
161 unsigned long vmem_size;
162 unsigned long vmem_rss;
163 unsigned long vmem_data;
164 unsigned long vmem_code;
165 unsigned long stack_size;
167 unsigned long vmem_minflt;
168 unsigned long vmem_majflt;
169 derive_t vmem_minflt_counter;
170 derive_t vmem_majflt_counter;
172 unsigned long cpu_user;
173 unsigned long cpu_system;
174 derive_t cpu_user_counter;
175 derive_t cpu_system_counter;
177 /* io data */
178 derive_t io_rchar;
179 derive_t io_wchar;
180 derive_t io_syscr;
181 derive_t io_syscw;
183 derive_t cswitch_vol;
184 derive_t cswitch_invol;
186 struct procstat_entry_s *next;
187 } procstat_entry_t;
189 #define PROCSTAT_NAME_LEN 256
190 typedef struct procstat
191 {
192 char name[PROCSTAT_NAME_LEN];
193 #if HAVE_REGEX_H
194 regex_t *re;
195 #endif
197 unsigned long num_proc;
198 unsigned long num_lwp;
199 unsigned long vmem_size;
200 unsigned long vmem_rss;
201 unsigned long vmem_data;
202 unsigned long vmem_code;
203 unsigned long stack_size;
205 derive_t vmem_minflt_counter;
206 derive_t vmem_majflt_counter;
208 derive_t cpu_user_counter;
209 derive_t cpu_system_counter;
211 /* io data */
212 derive_t io_rchar;
213 derive_t io_wchar;
214 derive_t io_syscr;
215 derive_t io_syscw;
217 derive_t cswitch_vol;
218 derive_t cswitch_invol;
220 struct procstat *next;
221 struct procstat_entry_s *instances;
222 } procstat_t;
224 static procstat_t *list_head_g = NULL;
226 static _Bool report_ctx_switch = 0;
228 #if HAVE_THREAD_INFO
229 static mach_port_t port_host_self;
230 static mach_port_t port_task_self;
232 static processor_set_name_array_t pset_list;
233 static mach_msg_type_number_t pset_list_len;
234 /* #endif HAVE_THREAD_INFO */
236 #elif KERNEL_LINUX
237 static long pagesize_g;
238 /* #endif KERNEL_LINUX */
240 #elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
241 static int pagesize;
242 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
244 #elif HAVE_PROCINFO_H
245 static struct procentry64 procentry[MAXPROCENTRY];
246 static struct thrdentry64 thrdentry[MAXTHRDENTRY];
247 static int pagesize;
249 #ifndef _AIXVERSION_610
250 int getprocs64 (void *procsinfo, int sizproc, void *fdsinfo, int sizfd, pid_t *index, int count);
251 int getthrds64( pid_t, void *, int, tid64_t *, int );
252 #endif
253 int getargs (void *processBuffer, int bufferLen, char *argsBuffer, int argsLen);
254 #endif /* HAVE_PROCINFO_H */
256 /* put name of process from config to list_head_g tree
257 * list_head_g is a list of 'procstat_t' structs with
258 * processes names we want to watch */
259 static void ps_list_register (const char *name, const char *regexp)
260 {
261 procstat_t *new;
262 procstat_t *ptr;
263 int status;
265 new = calloc (1, sizeof (*new));
266 if (new == NULL)
267 {
268 ERROR ("processes plugin: ps_list_register: calloc failed.");
269 return;
270 }
271 sstrncpy (new->name, name, sizeof (new->name));
273 #if HAVE_REGEX_H
274 if (regexp != NULL)
275 {
276 DEBUG ("ProcessMatch: adding \"%s\" as criteria to process %s.", regexp, name);
277 new->re = malloc (sizeof (*new->re));
278 if (new->re == NULL)
279 {
280 ERROR ("processes plugin: ps_list_register: malloc failed.");
281 sfree (new);
282 return;
283 }
285 status = regcomp (new->re, regexp, REG_EXTENDED | REG_NOSUB);
286 if (status != 0)
287 {
288 DEBUG ("ProcessMatch: compiling the regular expression \"%s\" failed.", regexp);
289 sfree (new->re);
290 sfree (new);
291 return;
292 }
293 }
294 #else
295 if (regexp != NULL)
296 {
297 ERROR ("processes plugin: ps_list_register: "
298 "Regular expression \"%s\" found in config "
299 "file, but support for regular expressions "
300 "has been disabled at compile time.",
301 regexp);
302 sfree (new);
303 return;
304 }
305 #endif
307 for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
308 {
309 if (strcmp (ptr->name, name) == 0)
310 {
311 WARNING ("processes plugin: You have configured more "
312 "than one `Process' or "
313 "`ProcessMatch' with the same name. "
314 "All but the first setting will be "
315 "ignored.");
316 #if HAVE_REGEX_H
317 sfree (new->re);
318 #endif
319 sfree (new);
320 return;
321 }
323 if (ptr->next == NULL)
324 break;
325 }
327 if (ptr == NULL)
328 list_head_g = new;
329 else
330 ptr->next = new;
331 } /* void ps_list_register */
333 /* try to match name against entry, returns 1 if success */
334 static int ps_list_match (const char *name, const char *cmdline, procstat_t *ps)
335 {
336 #if HAVE_REGEX_H
337 if (ps->re != NULL)
338 {
339 int status;
340 const char *str;
342 str = cmdline;
343 if ((str == NULL) || (str[0] == 0))
344 str = name;
346 assert (str != NULL);
348 status = regexec (ps->re, str,
349 /* nmatch = */ 0,
350 /* pmatch = */ NULL,
351 /* eflags = */ 0);
352 if (status == 0)
353 return (1);
354 }
355 else
356 #endif
357 if (strcmp (ps->name, name) == 0)
358 return (1);
360 return (0);
361 } /* int ps_list_match */
363 static void ps_update_counter (
364 _Bool init,
365 derive_t *group_counter,
366 derive_t *curr_counter, unsigned long *curr_value,
367 derive_t new_counter, unsigned long new_value) {
368 if (init)
369 {
370 *curr_value = new_value;
371 *curr_counter += new_value;
372 *group_counter += new_value;
373 return;
374 }
376 if (new_counter < *curr_counter)
377 {
378 *curr_value = new_counter + (ULONG_MAX - *curr_counter);
379 }
380 else
381 {
382 *curr_value = new_counter - *curr_counter;
383 }
384 *curr_counter = new_counter;
385 *group_counter += *curr_value;
386 }
388 /* add process entry to 'instances' of process 'name' (or refresh it) */
389 static void ps_list_add (const char *name, const char *cmdline, procstat_entry_t *entry)
390 {
391 procstat_t *ps;
392 procstat_entry_t *pse;
394 if (entry->id == 0)
395 return;
397 for (ps = list_head_g; ps != NULL; ps = ps->next)
398 {
399 _Bool want_init;
401 if ((ps_list_match (name, cmdline, ps)) == 0)
402 continue;
404 for (pse = ps->instances; pse != NULL; pse = pse->next)
405 if ((pse->id == entry->id) || (pse->next == NULL))
406 break;
408 if ((pse == NULL) || (pse->id != entry->id))
409 {
410 procstat_entry_t *new;
412 new = calloc (1, sizeof (*new));
413 if (new == NULL)
414 return;
415 new->id = entry->id;
417 if (pse == NULL)
418 ps->instances = new;
419 else
420 pse->next = new;
422 pse = new;
423 }
425 pse->age = 0;
426 pse->num_proc = entry->num_proc;
427 pse->num_lwp = entry->num_lwp;
428 pse->vmem_size = entry->vmem_size;
429 pse->vmem_rss = entry->vmem_rss;
430 pse->vmem_data = entry->vmem_data;
431 pse->vmem_code = entry->vmem_code;
432 pse->stack_size = entry->stack_size;
433 pse->io_rchar = entry->io_rchar;
434 pse->io_wchar = entry->io_wchar;
435 pse->io_syscr = entry->io_syscr;
436 pse->io_syscw = entry->io_syscw;
437 pse->cswitch_vol = entry->cswitch_vol;
438 pse->cswitch_invol = entry->cswitch_invol;
440 ps->num_proc += pse->num_proc;
441 ps->num_lwp += pse->num_lwp;
442 ps->vmem_size += pse->vmem_size;
443 ps->vmem_rss += pse->vmem_rss;
444 ps->vmem_data += pse->vmem_data;
445 ps->vmem_code += pse->vmem_code;
446 ps->stack_size += pse->stack_size;
448 ps->io_rchar += ((pse->io_rchar == -1)?0:pse->io_rchar);
449 ps->io_wchar += ((pse->io_wchar == -1)?0:pse->io_wchar);
450 ps->io_syscr += ((pse->io_syscr == -1)?0:pse->io_syscr);
451 ps->io_syscw += ((pse->io_syscw == -1)?0:pse->io_syscw);
453 ps->cswitch_vol += ((pse->cswitch_vol == -1)?0:pse->cswitch_vol);
454 ps->cswitch_invol += ((pse->cswitch_invol == -1)?0:pse->cswitch_invol);
456 want_init = (entry->vmem_minflt_counter == 0)
457 && (entry->vmem_majflt_counter == 0);
458 ps_update_counter (want_init,
459 &ps->vmem_minflt_counter,
460 &pse->vmem_minflt_counter, &pse->vmem_minflt,
461 entry->vmem_minflt_counter, entry->vmem_minflt);
462 ps_update_counter (want_init,
463 &ps->vmem_majflt_counter,
464 &pse->vmem_majflt_counter, &pse->vmem_majflt,
465 entry->vmem_majflt_counter, entry->vmem_majflt);
467 want_init = (entry->cpu_user_counter == 0)
468 && (entry->cpu_system_counter == 0);
469 ps_update_counter (want_init,
470 &ps->cpu_user_counter,
471 &pse->cpu_user_counter, &pse->cpu_user,
472 entry->cpu_user_counter, entry->cpu_user);
473 ps_update_counter (want_init,
474 &ps->cpu_system_counter,
475 &pse->cpu_system_counter, &pse->cpu_system,
476 entry->cpu_system_counter, entry->cpu_system);
477 }
478 }
480 /* remove old entries from instances of processes in list_head_g */
481 static void ps_list_reset (void)
482 {
483 procstat_t *ps;
484 procstat_entry_t *pse;
485 procstat_entry_t *pse_prev;
487 for (ps = list_head_g; ps != NULL; ps = ps->next)
488 {
489 ps->num_proc = 0;
490 ps->num_lwp = 0;
491 ps->vmem_size = 0;
492 ps->vmem_rss = 0;
493 ps->vmem_data = 0;
494 ps->vmem_code = 0;
495 ps->stack_size = 0;
496 ps->io_rchar = -1;
497 ps->io_wchar = -1;
498 ps->io_syscr = -1;
499 ps->io_syscw = -1;
500 ps->cswitch_vol = -1;
501 ps->cswitch_invol = -1;
503 pse_prev = NULL;
504 pse = ps->instances;
505 while (pse != NULL)
506 {
507 if (pse->age > 10)
508 {
509 DEBUG ("Removing this procstat entry cause it's too old: "
510 "id = %lu; name = %s;",
511 pse->id, ps->name);
513 if (pse_prev == NULL)
514 {
515 ps->instances = pse->next;
516 free (pse);
517 pse = ps->instances;
518 }
519 else
520 {
521 pse_prev->next = pse->next;
522 free (pse);
523 pse = pse_prev->next;
524 }
525 }
526 else
527 {
528 pse->age++;
529 pse_prev = pse;
530 pse = pse->next;
531 }
532 } /* while (pse != NULL) */
533 } /* for (ps = list_head_g; ps != NULL; ps = ps->next) */
534 }
536 /* put all pre-defined 'Process' names from config to list_head_g tree */
537 static int ps_config (oconfig_item_t *ci)
538 {
539 int i;
541 for (i = 0; i < ci->children_num; ++i) {
542 oconfig_item_t *c = ci->children + i;
544 if (strcasecmp (c->key, "Process") == 0)
545 {
546 if ((c->values_num != 1)
547 || (OCONFIG_TYPE_STRING != c->values[0].type)) {
548 ERROR ("processes plugin: `Process' expects exactly "
549 "one string argument (got %i).",
550 c->values_num);
551 continue;
552 }
554 if (c->children_num != 0) {
555 WARNING ("processes plugin: the `Process' config option "
556 "does not expect any child elements -- ignoring "
557 "content (%i elements) of the <Process '%s'> block.",
558 c->children_num, c->values[0].value.string);
559 }
561 ps_list_register (c->values[0].value.string, NULL);
562 }
563 else if (strcasecmp (c->key, "ProcessMatch") == 0)
564 {
565 if ((c->values_num != 2)
566 || (OCONFIG_TYPE_STRING != c->values[0].type)
567 || (OCONFIG_TYPE_STRING != c->values[1].type))
568 {
569 ERROR ("processes plugin: `ProcessMatch' needs exactly "
570 "two string arguments (got %i).",
571 c->values_num);
572 continue;
573 }
575 if (c->children_num != 0) {
576 WARNING ("processes plugin: the `ProcessMatch' config option "
577 "does not expect any child elements -- ignoring "
578 "content (%i elements) of the <ProcessMatch '%s' '%s'> "
579 "block.", c->children_num, c->values[0].value.string,
580 c->values[1].value.string);
581 }
583 ps_list_register (c->values[0].value.string,
584 c->values[1].value.string);
585 }
586 else if (strcasecmp (c->key, "CollectContextSwitch") == 0)
587 {
588 cf_util_get_boolean (c, &report_ctx_switch);
589 }
590 else
591 {
592 ERROR ("processes plugin: The `%s' configuration option is not "
593 "understood and will be ignored.", c->key);
594 continue;
595 }
596 }
598 return (0);
599 }
601 static int ps_init (void)
602 {
603 #if HAVE_THREAD_INFO
604 kern_return_t status;
606 port_host_self = mach_host_self ();
607 port_task_self = mach_task_self ();
609 if (pset_list != NULL)
610 {
611 vm_deallocate (port_task_self,
612 (vm_address_t) pset_list,
613 pset_list_len * sizeof (processor_set_t));
614 pset_list = NULL;
615 pset_list_len = 0;
616 }
618 if ((status = host_processor_sets (port_host_self,
619 &pset_list,
620 &pset_list_len)) != KERN_SUCCESS)
621 {
622 ERROR ("host_processor_sets failed: %s\n",
623 mach_error_string (status));
624 pset_list = NULL;
625 pset_list_len = 0;
626 return (-1);
627 }
628 /* #endif HAVE_THREAD_INFO */
630 #elif KERNEL_LINUX
631 pagesize_g = sysconf(_SC_PAGESIZE);
632 DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
633 pagesize_g, CONFIG_HZ);
634 /* #endif KERNEL_LINUX */
636 #elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
637 pagesize = getpagesize();
638 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
640 #elif HAVE_PROCINFO_H
641 pagesize = getpagesize();
642 #endif /* HAVE_PROCINFO_H */
644 return (0);
645 } /* int ps_init */
647 /* submit global state (e.g.: qty of zombies, running, etc..) */
648 static void ps_submit_state (const char *state, double value)
649 {
650 value_t values[1];
651 value_list_t vl = VALUE_LIST_INIT;
653 values[0].gauge = value;
655 vl.values = values;
656 vl.values_len = 1;
657 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
658 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
659 sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
660 sstrncpy (vl.type, "ps_state", sizeof (vl.type));
661 sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
663 plugin_dispatch_values (&vl);
664 }
666 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
667 static void ps_submit_proc_list (procstat_t *ps)
668 {
669 value_t values[2];
670 value_list_t vl = VALUE_LIST_INIT;
672 vl.values = values;
673 vl.values_len = 2;
674 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
675 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
676 sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
678 sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
679 vl.values[0].gauge = ps->vmem_size;
680 vl.values_len = 1;
681 plugin_dispatch_values (&vl);
683 sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
684 vl.values[0].gauge = ps->vmem_rss;
685 vl.values_len = 1;
686 plugin_dispatch_values (&vl);
688 sstrncpy (vl.type, "ps_data", sizeof (vl.type));
689 vl.values[0].gauge = ps->vmem_data;
690 vl.values_len = 1;
691 plugin_dispatch_values (&vl);
693 sstrncpy (vl.type, "ps_code", sizeof (vl.type));
694 vl.values[0].gauge = ps->vmem_code;
695 vl.values_len = 1;
696 plugin_dispatch_values (&vl);
698 sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
699 vl.values[0].gauge = ps->stack_size;
700 vl.values_len = 1;
701 plugin_dispatch_values (&vl);
703 sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
704 vl.values[0].derive = ps->cpu_user_counter;
705 vl.values[1].derive = ps->cpu_system_counter;
706 vl.values_len = 2;
707 plugin_dispatch_values (&vl);
709 sstrncpy (vl.type, "ps_count", sizeof (vl.type));
710 vl.values[0].gauge = ps->num_proc;
711 vl.values[1].gauge = ps->num_lwp;
712 vl.values_len = 2;
713 plugin_dispatch_values (&vl);
715 sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
716 vl.values[0].derive = ps->vmem_minflt_counter;
717 vl.values[1].derive = ps->vmem_majflt_counter;
718 vl.values_len = 2;
719 plugin_dispatch_values (&vl);
721 if ( (ps->io_rchar != -1) && (ps->io_wchar != -1) )
722 {
723 sstrncpy (vl.type, "ps_disk_octets", sizeof (vl.type));
724 vl.values[0].derive = ps->io_rchar;
725 vl.values[1].derive = ps->io_wchar;
726 vl.values_len = 2;
727 plugin_dispatch_values (&vl);
728 }
730 if ( (ps->io_syscr != -1) && (ps->io_syscw != -1) )
731 {
732 sstrncpy (vl.type, "ps_disk_ops", sizeof (vl.type));
733 vl.values[0].derive = ps->io_syscr;
734 vl.values[1].derive = ps->io_syscw;
735 vl.values_len = 2;
736 plugin_dispatch_values (&vl);
737 }
739 if ( report_ctx_switch )
740 {
741 sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
742 sstrncpy (vl.type_instance, "voluntary", sizeof (vl.type_instance));
743 vl.values[0].derive = ps->cswitch_vol;
744 vl.values_len = 1;
745 plugin_dispatch_values (&vl);
747 sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
748 sstrncpy (vl.type_instance, "involuntary", sizeof (vl.type_instance));
749 vl.values[0].derive = ps->cswitch_invol;
750 vl.values_len = 1;
751 plugin_dispatch_values (&vl);
752 }
754 DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
755 "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
756 "vmem_code = %lu; "
757 "vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
758 "cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
759 "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
760 "io_syscr = %"PRIi64"; io_syscw = %"PRIi64"; "
761 "cswitch_vol = %"PRIi64"; cswitch_invol = %"PRIi64";",
762 ps->name, ps->num_proc, ps->num_lwp,
763 ps->vmem_size, ps->vmem_rss,
764 ps->vmem_data, ps->vmem_code,
765 ps->vmem_minflt_counter, ps->vmem_majflt_counter,
766 ps->cpu_user_counter, ps->cpu_system_counter,
767 ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw,
768 ps->cswitch_vol, ps->cswitch_invol);
769 } /* void ps_submit_proc_list */
771 #if KERNEL_LINUX || KERNEL_SOLARIS
772 static void ps_submit_fork_rate (derive_t value)
773 {
774 value_t values[1];
775 value_list_t vl = VALUE_LIST_INIT;
777 values[0].derive = value;
779 vl.values = values;
780 vl.values_len = 1;
781 sstrncpy(vl.host, hostname_g, sizeof (vl.host));
782 sstrncpy(vl.plugin, "processes", sizeof (vl.plugin));
783 sstrncpy(vl.plugin_instance, "", sizeof (vl.plugin_instance));
784 sstrncpy(vl.type, "fork_rate", sizeof (vl.type));
785 sstrncpy(vl.type_instance, "", sizeof (vl.type_instance));
787 plugin_dispatch_values(&vl);
788 }
789 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
791 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
792 #if KERNEL_LINUX
793 static procstat_t *ps_read_tasks_status (long pid, procstat_t *ps)
794 {
795 char dirname[64];
796 DIR *dh;
797 char filename[64];
798 FILE *fh;
799 struct dirent *ent;
800 derive_t cswitch_vol = 0;
801 derive_t cswitch_invol = 0;
802 char buffer[1024];
803 char *fields[8];
804 int numfields;
806 ssnprintf (dirname, sizeof (dirname), "/proc/%li/task", pid);
808 if ((dh = opendir (dirname)) == NULL)
809 {
810 DEBUG ("Failed to open directory `%s'", dirname);
811 return (NULL);
812 }
814 while ((ent = readdir (dh)) != NULL)
815 {
816 char *tpid;
818 if (!isdigit ((int) ent->d_name[0]))
819 continue;
821 tpid = ent->d_name;
823 ssnprintf (filename, sizeof (filename), "/proc/%li/task/%s/status", pid, tpid);
824 if ((fh = fopen (filename, "r")) == NULL)
825 {
826 DEBUG ("Failed to open file `%s'", filename);
827 continue;
828 }
830 while (fgets (buffer, sizeof(buffer), fh) != NULL)
831 {
832 derive_t tmp;
833 char *endptr;
835 if (strncmp (buffer, "voluntary_ctxt_switches", 23) != 0
836 && strncmp (buffer, "nonvoluntary_ctxt_switches", 26) != 0)
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 = (derive_t) strtoll (fields[1], &endptr, /* base = */ 10);
848 if ((errno == 0) && (endptr != fields[1]))
849 {
850 if (strncmp (buffer, "voluntary_ctxt_switches", 23) == 0)
851 {
852 cswitch_vol += tmp;
853 }
854 else if (strncmp (buffer, "nonvoluntary_ctxt_switches", 26) == 0)
855 {
856 cswitch_invol += tmp;
857 }
858 }
859 } /* while (fgets) */
861 if (fclose (fh))
862 {
863 char errbuf[1024];
864 WARNING ("processes: fclose: %s",
865 sstrerror (errno, errbuf, sizeof (errbuf)));
866 }
867 }
868 closedir (dh);
870 ps->cswitch_vol = cswitch_vol;
871 ps->cswitch_invol = cswitch_invol;
873 return (ps);
874 } /* int *ps_read_tasks_status */
876 /* Read data from /proc/pid/status */
877 static procstat_t *ps_read_status (long pid, procstat_t *ps)
878 {
879 FILE *fh;
880 char buffer[1024];
881 char filename[64];
882 unsigned long lib = 0;
883 unsigned long exe = 0;
884 unsigned long data = 0;
885 unsigned long threads = 0;
886 char *fields[8];
887 int numfields;
889 ssnprintf (filename, sizeof (filename), "/proc/%li/status", pid);
890 if ((fh = fopen (filename, "r")) == NULL)
891 return (NULL);
893 while (fgets (buffer, sizeof(buffer), fh) != NULL)
894 {
895 unsigned long tmp;
896 char *endptr;
898 if (strncmp (buffer, "Vm", 2) != 0
899 && strncmp (buffer, "Threads", 7) != 0)
900 continue;
902 numfields = strsplit (buffer, fields,
903 STATIC_ARRAY_SIZE (fields));
905 if (numfields < 2)
906 continue;
908 errno = 0;
909 endptr = NULL;
910 tmp = strtoul (fields[1], &endptr, /* base = */ 10);
911 if ((errno == 0) && (endptr != fields[1]))
912 {
913 if (strncmp (buffer, "VmData", 6) == 0)
914 {
915 data = tmp;
916 }
917 else if (strncmp (buffer, "VmLib", 5) == 0)
918 {
919 lib = tmp;
920 }
921 else if (strncmp(buffer, "VmExe", 5) == 0)
922 {
923 exe = tmp;
924 }
925 else if (strncmp(buffer, "Threads", 7) == 0)
926 {
927 threads = tmp;
928 }
929 }
930 } /* while (fgets) */
932 if (fclose (fh))
933 {
934 char errbuf[1024];
935 WARNING ("processes: fclose: %s",
936 sstrerror (errno, errbuf, sizeof (errbuf)));
937 }
939 ps->vmem_data = data * 1024;
940 ps->vmem_code = (exe + lib) * 1024;
941 if (threads != 0)
942 ps->num_lwp = threads;
944 return (ps);
945 } /* procstat_t *ps_read_vmem */
947 static procstat_t *ps_read_io (long pid, procstat_t *ps)
948 {
949 FILE *fh;
950 char buffer[1024];
951 char filename[64];
953 char *fields[8];
954 int numfields;
956 ssnprintf (filename, sizeof (filename), "/proc/%li/io", pid);
957 if ((fh = fopen (filename, "r")) == NULL)
958 return (NULL);
960 while (fgets (buffer, sizeof (buffer), fh) != NULL)
961 {
962 derive_t *val = NULL;
963 long long tmp;
964 char *endptr;
966 if (strncasecmp (buffer, "rchar:", 6) == 0)
967 val = &(ps->io_rchar);
968 else if (strncasecmp (buffer, "wchar:", 6) == 0)
969 val = &(ps->io_wchar);
970 else if (strncasecmp (buffer, "syscr:", 6) == 0)
971 val = &(ps->io_syscr);
972 else if (strncasecmp (buffer, "syscw:", 6) == 0)
973 val = &(ps->io_syscw);
974 else
975 continue;
977 numfields = strsplit (buffer, fields,
978 STATIC_ARRAY_SIZE (fields));
980 if (numfields < 2)
981 continue;
983 errno = 0;
984 endptr = NULL;
985 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
986 if ((errno != 0) || (endptr == fields[1]))
987 *val = -1;
988 else
989 *val = (derive_t) tmp;
990 } /* while (fgets) */
992 if (fclose (fh))
993 {
994 char errbuf[1024];
995 WARNING ("processes: fclose: %s",
996 sstrerror (errno, errbuf, sizeof (errbuf)));
997 }
999 return (ps);
1000 } /* procstat_t *ps_read_io */
1002 static int ps_read_process (long pid, procstat_t *ps, char *state)
1003 {
1004 char filename[64];
1005 char buffer[1024];
1007 char *fields[64];
1008 char fields_len;
1010 size_t buffer_len;
1012 char *buffer_ptr;
1013 size_t name_start_pos;
1014 size_t name_end_pos;
1015 size_t name_len;
1017 derive_t cpu_user_counter;
1018 derive_t cpu_system_counter;
1019 long long unsigned vmem_size;
1020 long long unsigned vmem_rss;
1021 long long unsigned stack_size;
1023 ssize_t status;
1025 memset (ps, 0, sizeof (procstat_t));
1027 ssnprintf (filename, sizeof (filename), "/proc/%li/stat", pid);
1029 status = read_file_contents (filename, buffer, sizeof(buffer) - 1);
1030 if (status <= 0)
1031 return (-1);
1032 buffer_len = (size_t) status;
1033 buffer[buffer_len] = 0;
1035 /* The name of the process is enclosed in parens. Since the name can
1036 * contain parens itself, spaces, numbers and pretty much everything
1037 * else, use these to determine the process name. We don't use
1038 * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
1039 * otherwise be required to determine name_len. */
1040 name_start_pos = 0;
1041 while (name_start_pos < buffer_len && buffer[name_start_pos] != '(')
1042 name_start_pos++;
1044 name_end_pos = buffer_len;
1045 while (name_end_pos > 0 && buffer[name_end_pos] != ')')
1046 name_end_pos--;
1048 /* Either '(' or ')' is not found or they are in the wrong order.
1049 * Anyway, something weird that shouldn't happen ever. */
1050 if (name_start_pos >= name_end_pos)
1051 {
1052 ERROR ("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
1053 name_start_pos, name_end_pos);
1054 return (-1);
1055 }
1057 name_len = (name_end_pos - name_start_pos) - 1;
1058 if (name_len >= sizeof (ps->name))
1059 name_len = sizeof (ps->name) - 1;
1061 sstrncpy (ps->name, &buffer[name_start_pos + 1], name_len + 1);
1063 if ((buffer_len - name_end_pos) < 2)
1064 return (-1);
1065 buffer_ptr = &buffer[name_end_pos + 2];
1067 fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
1068 if (fields_len < 22)
1069 {
1070 DEBUG ("processes plugin: ps_read_process (pid = %li):"
1071 " `%s' has only %i fields..",
1072 pid, filename, fields_len);
1073 return (-1);
1074 }
1076 *state = fields[0][0];
1078 if (*state == 'Z')
1079 {
1080 ps->num_lwp = 0;
1081 ps->num_proc = 0;
1082 }
1083 else
1084 {
1085 ps->num_lwp = strtoul (fields[17], /* endptr = */ NULL, /* base = */ 10);
1086 if ((ps_read_status(pid, ps)) == NULL)
1087 {
1088 /* No VMem data */
1089 ps->vmem_data = -1;
1090 ps->vmem_code = -1;
1091 DEBUG("ps_read_process: did not get vmem data for pid %li", pid);
1092 }
1093 if (ps->num_lwp == 0)
1094 ps->num_lwp = 1;
1095 ps->num_proc = 1;
1096 }
1098 /* Leave the rest at zero if this is only a zombi */
1099 if (ps->num_proc == 0)
1100 {
1101 DEBUG ("processes plugin: This is only a zombie: pid = %li; "
1102 "name = %s;", pid, ps->name);
1103 return (0);
1104 }
1106 cpu_user_counter = atoll (fields[11]);
1107 cpu_system_counter = atoll (fields[12]);
1108 vmem_size = atoll (fields[20]);
1109 vmem_rss = atoll (fields[21]);
1110 ps->vmem_minflt_counter = atol (fields[7]);
1111 ps->vmem_majflt_counter = atol (fields[9]);
1113 {
1114 unsigned long long stack_start = atoll (fields[25]);
1115 unsigned long long stack_ptr = atoll (fields[26]);
1117 stack_size = (stack_start > stack_ptr)
1118 ? stack_start - stack_ptr
1119 : stack_ptr - stack_start;
1120 }
1122 /* Convert jiffies to useconds */
1123 cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
1124 cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1125 vmem_rss = vmem_rss * pagesize_g;
1127 ps->cpu_user_counter = cpu_user_counter;
1128 ps->cpu_system_counter = cpu_system_counter;
1129 ps->vmem_size = (unsigned long) vmem_size;
1130 ps->vmem_rss = (unsigned long) vmem_rss;
1131 ps->stack_size = (unsigned long) stack_size;
1133 if ( (ps_read_io (pid, ps)) == NULL)
1134 {
1135 /* no io data */
1136 ps->io_rchar = -1;
1137 ps->io_wchar = -1;
1138 ps->io_syscr = -1;
1139 ps->io_syscw = -1;
1141 DEBUG("ps_read_process: not get io data for pid %li", pid);
1142 }
1144 if ( report_ctx_switch )
1145 {
1146 if ( (ps_read_tasks_status(pid, ps)) == NULL)
1147 {
1148 ps->cswitch_vol = -1;
1149 ps->cswitch_invol = -1;
1151 DEBUG("ps_read_tasks_status: not get context "
1152 "switch data for pid %li", pid);
1153 }
1154 }
1156 /* success */
1157 return (0);
1158 } /* int ps_read_process (...) */
1160 static char *ps_get_cmdline (long pid, char *name, char *buf, size_t buf_len)
1161 {
1162 char *buf_ptr;
1163 size_t len;
1165 char file[PATH_MAX];
1166 int fd;
1168 size_t n;
1170 if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1171 return NULL;
1173 ssnprintf (file, sizeof (file), "/proc/%li/cmdline", pid);
1175 errno = 0;
1176 fd = open (file, O_RDONLY);
1177 if (fd < 0) {
1178 char errbuf[4096];
1179 /* ENOENT means the process exited while we were handling it.
1180 * Don't complain about this, it only fills the logs. */
1181 if (errno != ENOENT)
1182 WARNING ("processes plugin: Failed to open `%s': %s.", file,
1183 sstrerror (errno, errbuf, sizeof (errbuf)));
1184 return NULL;
1185 }
1187 buf_ptr = buf;
1188 len = buf_len;
1190 n = 0;
1192 while (42) {
1193 ssize_t status;
1195 status = read (fd, (void *)buf_ptr, len);
1197 if (status < 0) {
1198 char errbuf[1024];
1200 if ((EAGAIN == errno) || (EINTR == errno))
1201 continue;
1203 WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1204 sstrerror (errno, errbuf, sizeof (errbuf)));
1205 close (fd);
1206 return NULL;
1207 }
1209 n += status;
1211 if (status == 0)
1212 break;
1214 buf_ptr += status;
1215 len -= status;
1217 if (len == 0)
1218 break;
1219 }
1221 close (fd);
1223 if (0 == n) {
1224 /* cmdline not available; e.g. kernel thread, zombie */
1225 if (NULL == name)
1226 return NULL;
1228 ssnprintf (buf, buf_len, "[%s]", name);
1229 return buf;
1230 }
1232 assert (n <= buf_len);
1234 if (n == buf_len)
1235 --n;
1236 buf[n] = '\0';
1238 --n;
1239 /* remove trailing whitespace */
1240 while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1241 buf[n] = '\0';
1242 --n;
1243 }
1245 /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1246 while (n > 0) {
1247 if ('\0' == buf[n])
1248 buf[n] = ' ';
1249 --n;
1250 }
1251 return buf;
1252 } /* char *ps_get_cmdline (...) */
1254 static int read_fork_rate (void)
1255 {
1256 FILE *proc_stat;
1257 char buffer[1024];
1258 value_t value;
1259 _Bool value_valid = 0;
1261 proc_stat = fopen ("/proc/stat", "r");
1262 if (proc_stat == NULL)
1263 {
1264 char errbuf[1024];
1265 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1266 sstrerror (errno, errbuf, sizeof (errbuf)));
1267 return (-1);
1268 }
1270 while (fgets (buffer, sizeof (buffer), proc_stat) != NULL)
1271 {
1272 int status;
1273 char *fields[3];
1274 int fields_num;
1276 fields_num = strsplit (buffer, fields,
1277 STATIC_ARRAY_SIZE (fields));
1278 if (fields_num != 2)
1279 continue;
1281 if (strcmp ("processes", fields[0]) != 0)
1282 continue;
1284 status = parse_value (fields[1], &value, DS_TYPE_DERIVE);
1285 if (status == 0)
1286 value_valid = 1;
1288 break;
1289 }
1290 fclose(proc_stat);
1292 if (!value_valid)
1293 return (-1);
1295 ps_submit_fork_rate (value.derive);
1296 return (0);
1297 }
1298 #endif /*KERNEL_LINUX */
1300 #if KERNEL_SOLARIS
1301 static char *ps_get_cmdline (long pid, char *name __attribute__((unused)), /* {{{ */
1302 char *buffer, size_t buffer_size)
1303 {
1304 char path[PATH_MAX];
1305 psinfo_t info;
1306 ssize_t status;
1308 snprintf(path, sizeof (path), "/proc/%li/psinfo", pid);
1310 status = read_file_contents (path, (void *) &info, sizeof (info));
1311 if ((status < 0) || (((size_t) status) != sizeof (info)))
1312 {
1313 ERROR ("processes plugin: Unexpected return value "
1314 "while reading \"%s\": "
1315 "Returned %zd but expected %zu.",
1316 path, status, buffer_size);
1317 return (NULL);
1318 }
1320 info.pr_psargs[sizeof (info.pr_psargs) - 1] = 0;
1321 sstrncpy (buffer, info.pr_psargs, buffer_size);
1323 return (buffer);
1324 } /* }}} int ps_get_cmdline */
1326 /*
1327 * Reads process information on the Solaris OS. The information comes mainly from
1328 * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1329 * The values for input and ouput chars are calculated "by hand"
1330 * Added a few "solaris" specific process states as well
1331 */
1332 static int ps_read_process(long pid, procstat_t *ps, char *state)
1333 {
1334 char filename[64];
1335 char f_psinfo[64], f_usage[64];
1336 char *buffer;
1338 pstatus_t *myStatus;
1339 psinfo_t *myInfo;
1340 prusage_t *myUsage;
1342 snprintf(filename, sizeof (filename), "/proc/%li/status", pid);
1343 snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%li/psinfo", pid);
1344 snprintf(f_usage, sizeof (f_usage), "/proc/%li/usage", pid);
1347 buffer = calloc(1, sizeof (pstatus_t));
1348 read_file_contents(filename, buffer, sizeof (pstatus_t));
1349 myStatus = (pstatus_t *) buffer;
1351 buffer = calloc(1, sizeof (psinfo_t));
1352 read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1353 myInfo = (psinfo_t *) buffer;
1355 buffer = calloc(1, sizeof (prusage_t));
1356 read_file_contents(f_usage, buffer, sizeof (prusage_t));
1357 myUsage = (prusage_t *) buffer;
1359 sstrncpy(ps->name, myInfo->pr_fname, sizeof (myInfo->pr_fname));
1360 ps->num_lwp = myStatus->pr_nlwp;
1361 if (myInfo->pr_wstat != 0) {
1362 ps->num_proc = 0;
1363 ps->num_lwp = 0;
1364 *state = (char) 'Z';
1366 sfree(myStatus);
1367 sfree(myInfo);
1368 sfree(myUsage);
1369 return (0);
1370 } else {
1371 ps->num_proc = 1;
1372 ps->num_lwp = myInfo->pr_nlwp;
1373 }
1375 /*
1376 * Convert system time and user time from nanoseconds to microseconds
1377 * for compatibility with the linux module
1378 */
1379 ps->cpu_system_counter = myStatus -> pr_stime.tv_nsec / 1000;
1380 ps->cpu_user_counter = myStatus -> pr_utime.tv_nsec / 1000;
1382 /*
1383 * Convert rssize from KB to bytes to be consistent w/ the linux module
1384 */
1385 ps->vmem_rss = myInfo->pr_rssize * 1024;
1386 ps->vmem_size = myInfo->pr_size * 1024;
1387 ps->vmem_minflt_counter = myUsage->pr_minf;
1388 ps->vmem_majflt_counter = myUsage->pr_majf;
1390 /*
1391 * TODO: Data and code segment calculations for Solaris
1392 */
1394 ps->vmem_data = -1;
1395 ps->vmem_code = -1;
1396 ps->stack_size = myStatus->pr_stksize;
1398 /*
1399 * Calculating input/ouput chars
1400 * Formula used is total chars / total blocks => chars/block
1401 * then convert input/output blocks to chars
1402 */
1403 ulong_t tot_chars = myUsage->pr_ioch;
1404 ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1405 ulong_t chars_per_block = 1;
1406 if (tot_blocks != 0)
1407 chars_per_block = tot_chars / tot_blocks;
1408 ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1409 ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1410 ps->io_syscr = myUsage->pr_sysc;
1411 ps->io_syscw = myUsage->pr_sysc;
1413 /*
1414 * TODO: context switch counters for Solaris
1415 */
1416 ps->cswitch_vol = -1;
1417 ps->cswitch_invol = -1;
1420 /*
1421 * TODO: Find way of setting BLOCKED and PAGING status
1422 */
1424 *state = (char) 'R';
1425 if (myStatus->pr_flags & PR_ASLEEP)
1426 *state = (char) 'S';
1427 else if (myStatus->pr_flags & PR_STOPPED)
1428 *state = (char) 'T';
1429 else if (myStatus->pr_flags & PR_DETACH)
1430 *state = (char) 'E';
1431 else if (myStatus->pr_flags & PR_DAEMON)
1432 *state = (char) 'A';
1433 else if (myStatus->pr_flags & PR_ISSYS)
1434 *state = (char) 'Y';
1435 else if (myStatus->pr_flags & PR_ORPHAN)
1436 *state = (char) 'O';
1438 sfree(myStatus);
1439 sfree(myInfo);
1440 sfree(myUsage);
1442 return (0);
1443 }
1445 /*
1446 * Reads the number of threads created since the last reboot. On Solaris these
1447 * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1448 * The result is the sum for all the threads created on each cpu
1449 */
1450 static int read_fork_rate (void)
1451 {
1452 extern kstat_ctl_t *kc;
1453 kstat_t *ksp_chain = NULL;
1454 derive_t result = 0;
1456 if (kc == NULL)
1457 return (-1);
1459 for (ksp_chain = kc->kc_chain;
1460 ksp_chain != NULL;
1461 ksp_chain = ksp_chain->ks_next)
1462 {
1463 if ((strcmp (ksp_chain->ks_module, "cpu") == 0)
1464 && (strcmp (ksp_chain->ks_name, "sys") == 0)
1465 && (strcmp (ksp_chain->ks_class, "misc") == 0))
1466 {
1467 long long tmp;
1469 kstat_read (kc, ksp_chain, NULL);
1471 tmp = get_kstat_value(ksp_chain, "nthreads");
1472 if (tmp != -1LL)
1473 result += tmp;
1474 }
1475 }
1477 ps_submit_fork_rate (result);
1478 return (0);
1479 }
1480 #endif /* KERNEL_SOLARIS */
1482 #if HAVE_THREAD_INFO
1483 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1484 {
1485 int mib[4];
1487 struct kinfo_proc kp;
1488 size_t kp_size;
1490 mib[0] = CTL_KERN;
1491 mib[1] = KERN_PROC;
1492 mib[2] = KERN_PROC_PID;
1494 if (pid_for_task (t, pid) != KERN_SUCCESS)
1495 return (-1);
1496 mib[3] = *pid;
1498 kp_size = sizeof (kp);
1499 if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1500 return (-1);
1502 if (name_max_len > (MAXCOMLEN + 1))
1503 name_max_len = MAXCOMLEN + 1;
1505 strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1506 name[name_max_len - 1] = '\0';
1508 DEBUG ("pid = %i; name = %s;", *pid, name);
1510 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1511 * `top' does it, because it is a lot of work and only used when
1512 * debugging. -octo */
1514 return (0);
1515 }
1516 #endif /* HAVE_THREAD_INFO */
1517 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1519 /* do actual readings from kernel */
1520 static int ps_read (void)
1521 {
1522 #if HAVE_THREAD_INFO
1523 kern_return_t status;
1525 int pset;
1526 processor_set_t port_pset_priv;
1528 int task;
1529 task_array_t task_list;
1530 mach_msg_type_number_t task_list_len;
1532 int task_pid;
1533 char task_name[MAXCOMLEN + 1];
1535 int thread;
1536 thread_act_array_t thread_list;
1537 mach_msg_type_number_t thread_list_len;
1538 thread_basic_info_data_t thread_data;
1539 mach_msg_type_number_t thread_data_len;
1541 int running = 0;
1542 int sleeping = 0;
1543 int zombies = 0;
1544 int stopped = 0;
1545 int blocked = 0;
1547 procstat_t *ps;
1548 procstat_entry_t pse;
1550 ps_list_reset ();
1552 /*
1553 * The Mach-concept is a little different from the traditional UNIX
1554 * concept: All the work is done in threads. Threads are contained in
1555 * `tasks'. Therefore, `task status' doesn't make much sense, since
1556 * it's actually a `thread status'.
1557 * Tasks are assigned to sets of processors, so that's where you go to
1558 * get a list.
1559 */
1560 for (pset = 0; pset < pset_list_len; pset++)
1561 {
1562 if ((status = host_processor_set_priv (port_host_self,
1563 pset_list[pset],
1564 &port_pset_priv)) != KERN_SUCCESS)
1565 {
1566 ERROR ("host_processor_set_priv failed: %s\n",
1567 mach_error_string (status));
1568 continue;
1569 }
1571 if ((status = processor_set_tasks (port_pset_priv,
1572 &task_list,
1573 &task_list_len)) != KERN_SUCCESS)
1574 {
1575 ERROR ("processor_set_tasks failed: %s\n",
1576 mach_error_string (status));
1577 mach_port_deallocate (port_task_self, port_pset_priv);
1578 continue;
1579 }
1581 for (task = 0; task < task_list_len; task++)
1582 {
1583 ps = NULL;
1584 if (mach_get_task_name (task_list[task],
1585 &task_pid,
1586 task_name, PROCSTAT_NAME_LEN) == 0)
1587 {
1588 /* search for at least one match */
1589 for (ps = list_head_g; ps != NULL; ps = ps->next)
1590 /* FIXME: cmdline should be here instead of NULL */
1591 if (ps_list_match (task_name, NULL, ps) == 1)
1592 break;
1593 }
1595 /* Collect more detailed statistics for this process */
1596 if (ps != NULL)
1597 {
1598 task_basic_info_data_t task_basic_info;
1599 mach_msg_type_number_t task_basic_info_len;
1600 task_events_info_data_t task_events_info;
1601 mach_msg_type_number_t task_events_info_len;
1602 task_absolutetime_info_data_t task_absolutetime_info;
1603 mach_msg_type_number_t task_absolutetime_info_len;
1605 memset (&pse, '\0', sizeof (pse));
1606 pse.id = task_pid;
1608 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1609 status = task_info (task_list[task],
1610 TASK_BASIC_INFO,
1611 (task_info_t) &task_basic_info,
1612 &task_basic_info_len);
1613 if (status != KERN_SUCCESS)
1614 {
1615 ERROR ("task_info failed: %s",
1616 mach_error_string (status));
1617 continue; /* with next thread_list */
1618 }
1620 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1621 status = task_info (task_list[task],
1622 TASK_EVENTS_INFO,
1623 (task_info_t) &task_events_info,
1624 &task_events_info_len);
1625 if (status != KERN_SUCCESS)
1626 {
1627 ERROR ("task_info failed: %s",
1628 mach_error_string (status));
1629 continue; /* with next thread_list */
1630 }
1632 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1633 status = task_info (task_list[task],
1634 TASK_ABSOLUTETIME_INFO,
1635 (task_info_t) &task_absolutetime_info,
1636 &task_absolutetime_info_len);
1637 if (status != KERN_SUCCESS)
1638 {
1639 ERROR ("task_info failed: %s",
1640 mach_error_string (status));
1641 continue; /* with next thread_list */
1642 }
1644 pse.num_proc++;
1645 pse.vmem_size = task_basic_info.virtual_size;
1646 pse.vmem_rss = task_basic_info.resident_size;
1647 /* Does not seem to be easily exposed */
1648 pse.vmem_data = 0;
1649 pse.vmem_code = 0;
1651 pse.vmem_minflt_counter = task_events_info.cow_faults;
1652 pse.vmem_majflt_counter = task_events_info.faults;
1654 pse.cpu_user_counter = task_absolutetime_info.total_user;
1655 pse.cpu_system_counter = task_absolutetime_info.total_system;
1657 /* context switch counters not implemented */
1658 pse.cswitch_vol = -1;
1659 pse.cswitch_invol = -1;
1660 }
1662 status = task_threads (task_list[task], &thread_list,
1663 &thread_list_len);
1664 if (status != KERN_SUCCESS)
1665 {
1666 /* Apple's `top' treats this case a zombie. It
1667 * makes sense to some extend: A `zombie'
1668 * thread is nonsense, since the task/process
1669 * is dead. */
1670 zombies++;
1671 DEBUG ("task_threads failed: %s",
1672 mach_error_string (status));
1673 if (task_list[task] != port_task_self)
1674 mach_port_deallocate (port_task_self,
1675 task_list[task]);
1676 continue; /* with next task_list */
1677 }
1679 for (thread = 0; thread < thread_list_len; thread++)
1680 {
1681 thread_data_len = THREAD_BASIC_INFO_COUNT;
1682 status = thread_info (thread_list[thread],
1683 THREAD_BASIC_INFO,
1684 (thread_info_t) &thread_data,
1685 &thread_data_len);
1686 if (status != KERN_SUCCESS)
1687 {
1688 ERROR ("thread_info failed: %s",
1689 mach_error_string (status));
1690 if (task_list[task] != port_task_self)
1691 mach_port_deallocate (port_task_self,
1692 thread_list[thread]);
1693 continue; /* with next thread_list */
1694 }
1696 if (ps != NULL)
1697 pse.num_lwp++;
1699 switch (thread_data.run_state)
1700 {
1701 case TH_STATE_RUNNING:
1702 running++;
1703 break;
1704 case TH_STATE_STOPPED:
1705 /* What exactly is `halted'? */
1706 case TH_STATE_HALTED:
1707 stopped++;
1708 break;
1709 case TH_STATE_WAITING:
1710 sleeping++;
1711 break;
1712 case TH_STATE_UNINTERRUPTIBLE:
1713 blocked++;
1714 break;
1715 /* There is no `zombie' case here,
1716 * since there are no zombie-threads.
1717 * There's only zombie tasks, which are
1718 * handled above. */
1719 default:
1720 WARNING ("Unknown thread status: %i",
1721 thread_data.run_state);
1722 break;
1723 } /* switch (thread_data.run_state) */
1725 if (task_list[task] != port_task_self)
1726 {
1727 status = mach_port_deallocate (port_task_self,
1728 thread_list[thread]);
1729 if (status != KERN_SUCCESS)
1730 ERROR ("mach_port_deallocate failed: %s",
1731 mach_error_string (status));
1732 }
1733 } /* for (thread_list) */
1735 if ((status = vm_deallocate (port_task_self,
1736 (vm_address_t) thread_list,
1737 thread_list_len * sizeof (thread_act_t)))
1738 != KERN_SUCCESS)
1739 {
1740 ERROR ("vm_deallocate failed: %s",
1741 mach_error_string (status));
1742 }
1743 thread_list = NULL;
1744 thread_list_len = 0;
1746 /* Only deallocate the task port, if it isn't our own.
1747 * Don't know what would happen in that case, but this
1748 * is what Apple's top does.. ;) */
1749 if (task_list[task] != port_task_self)
1750 {
1751 status = mach_port_deallocate (port_task_self,
1752 task_list[task]);
1753 if (status != KERN_SUCCESS)
1754 ERROR ("mach_port_deallocate failed: %s",
1755 mach_error_string (status));
1756 }
1758 if (ps != NULL)
1759 /* FIXME: cmdline should be here instead of NULL */
1760 ps_list_add (task_name, NULL, &pse);
1761 } /* for (task_list) */
1763 if ((status = vm_deallocate (port_task_self,
1764 (vm_address_t) task_list,
1765 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1766 {
1767 ERROR ("vm_deallocate failed: %s",
1768 mach_error_string (status));
1769 }
1770 task_list = NULL;
1771 task_list_len = 0;
1773 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1774 != KERN_SUCCESS)
1775 {
1776 ERROR ("mach_port_deallocate failed: %s",
1777 mach_error_string (status));
1778 }
1779 } /* for (pset_list) */
1781 ps_submit_state ("running", running);
1782 ps_submit_state ("sleeping", sleeping);
1783 ps_submit_state ("zombies", zombies);
1784 ps_submit_state ("stopped", stopped);
1785 ps_submit_state ("blocked", blocked);
1787 for (ps = list_head_g; ps != NULL; ps = ps->next)
1788 ps_submit_proc_list (ps);
1789 /* #endif HAVE_THREAD_INFO */
1791 #elif KERNEL_LINUX
1792 int running = 0;
1793 int sleeping = 0;
1794 int zombies = 0;
1795 int stopped = 0;
1796 int paging = 0;
1797 int blocked = 0;
1799 struct dirent *ent;
1800 DIR *proc;
1801 long pid;
1803 char cmdline[CMDLINE_BUFFER_SIZE];
1805 int status;
1806 procstat_t ps;
1807 procstat_entry_t pse;
1808 char state;
1810 procstat_t *ps_ptr;
1812 running = sleeping = zombies = stopped = paging = blocked = 0;
1813 ps_list_reset ();
1815 if ((proc = opendir ("/proc")) == NULL)
1816 {
1817 char errbuf[1024];
1818 ERROR ("Cannot open `/proc': %s",
1819 sstrerror (errno, errbuf, sizeof (errbuf)));
1820 return (-1);
1821 }
1823 while ((ent = readdir (proc)) != NULL)
1824 {
1825 if (!isdigit (ent->d_name[0]))
1826 continue;
1828 if ((pid = atol (ent->d_name)) < 1)
1829 continue;
1831 status = ps_read_process (pid, &ps, &state);
1832 if (status != 0)
1833 {
1834 DEBUG ("ps_read_process failed: %i", status);
1835 continue;
1836 }
1838 memset (&pse, 0, sizeof (pse));
1839 pse.id = pid;
1840 pse.age = 0;
1842 pse.num_proc = ps.num_proc;
1843 pse.num_lwp = ps.num_lwp;
1844 pse.vmem_size = ps.vmem_size;
1845 pse.vmem_rss = ps.vmem_rss;
1846 pse.vmem_data = ps.vmem_data;
1847 pse.vmem_code = ps.vmem_code;
1848 pse.stack_size = ps.stack_size;
1850 pse.vmem_minflt = 0;
1851 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1852 pse.vmem_majflt = 0;
1853 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1855 pse.cpu_user = 0;
1856 pse.cpu_user_counter = ps.cpu_user_counter;
1857 pse.cpu_system = 0;
1858 pse.cpu_system_counter = ps.cpu_system_counter;
1860 pse.io_rchar = ps.io_rchar;
1861 pse.io_wchar = ps.io_wchar;
1862 pse.io_syscr = ps.io_syscr;
1863 pse.io_syscw = ps.io_syscw;
1865 pse.cswitch_vol = ps.cswitch_vol;
1866 pse.cswitch_invol = ps.cswitch_invol;
1868 switch (state)
1869 {
1870 case 'R': running++; break;
1871 case 'S': sleeping++; break;
1872 case 'D': blocked++; break;
1873 case 'Z': zombies++; break;
1874 case 'T': stopped++; break;
1875 case 'W': paging++; break;
1876 }
1878 ps_list_add (ps.name,
1879 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1880 &pse);
1881 }
1883 closedir (proc);
1885 ps_submit_state ("running", running);
1886 ps_submit_state ("sleeping", sleeping);
1887 ps_submit_state ("zombies", zombies);
1888 ps_submit_state ("stopped", stopped);
1889 ps_submit_state ("paging", paging);
1890 ps_submit_state ("blocked", blocked);
1892 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1893 ps_submit_proc_list (ps_ptr);
1895 read_fork_rate();
1896 /* #endif KERNEL_LINUX */
1898 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1899 int running = 0;
1900 int sleeping = 0;
1901 int zombies = 0;
1902 int stopped = 0;
1903 int blocked = 0;
1904 int idle = 0;
1905 int wait = 0;
1907 kvm_t *kd;
1908 char errbuf[_POSIX2_LINE_MAX];
1909 struct kinfo_proc *procs; /* array of processes */
1910 struct kinfo_proc *proc_ptr = NULL;
1911 int count; /* returns number of processes */
1912 int i;
1914 procstat_t *ps_ptr;
1915 procstat_entry_t pse;
1917 ps_list_reset ();
1919 /* Open the kvm interface, get a descriptor */
1920 kd = kvm_openfiles (NULL, "/dev/null", NULL, 0, errbuf);
1921 if (kd == NULL)
1922 {
1923 ERROR ("processes plugin: Cannot open kvm interface: %s",
1924 errbuf);
1925 return (0);
1926 }
1928 /* Get the list of processes. */
1929 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1930 if (procs == NULL)
1931 {
1932 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1933 kvm_geterr(kd));
1934 kvm_close (kd);
1935 return (0);
1936 }
1938 /* Iterate through the processes in kinfo_proc */
1939 for (i = 0; i < count; i++)
1940 {
1941 /* Create only one process list entry per _process_, i.e.
1942 * filter out threads (duplicate PID entries). */
1943 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1944 {
1945 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1946 _Bool have_cmdline = 0;
1948 proc_ptr = &(procs[i]);
1949 /* Don't probe system processes and processes without arguments */
1950 if (((procs[i].ki_flag & P_SYSTEM) == 0)
1951 && (procs[i].ki_args != NULL))
1952 {
1953 char **argv;
1954 int argc;
1955 int status;
1957 /* retrieve the arguments */
1958 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1959 argc = 0;
1960 if ((argv != NULL) && (argv[0] != NULL))
1961 {
1962 while (argv[argc] != NULL)
1963 argc++;
1965 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1966 if (status < 0)
1967 WARNING ("processes plugin: Command line did not fit into buffer.");
1968 else
1969 have_cmdline = 1;
1970 }
1971 } /* if (process has argument list) */
1973 pse.id = procs[i].ki_pid;
1974 pse.age = 0;
1976 pse.num_proc = 1;
1977 pse.num_lwp = procs[i].ki_numthreads;
1979 pse.vmem_size = procs[i].ki_size;
1980 pse.vmem_rss = procs[i].ki_rssize * pagesize;
1981 pse.vmem_data = procs[i].ki_dsize * pagesize;
1982 pse.vmem_code = procs[i].ki_tsize * pagesize;
1983 pse.stack_size = procs[i].ki_ssize * pagesize;
1984 pse.vmem_minflt = 0;
1985 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1986 pse.vmem_majflt = 0;
1987 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1989 pse.cpu_user = 0;
1990 pse.cpu_system = 0;
1991 pse.cpu_user_counter = 0;
1992 pse.cpu_system_counter = 0;
1993 /*
1994 * The u-area might be swapped out, and we can't get
1995 * at it because we have a crashdump and no swap.
1996 * If it's here fill in these fields, otherwise, just
1997 * leave them 0.
1998 */
1999 if (procs[i].ki_flag & P_INMEM)
2000 {
2001 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
2002 + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
2003 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
2004 + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
2005 }
2007 /* no I/O data */
2008 pse.io_rchar = -1;
2009 pse.io_wchar = -1;
2010 pse.io_syscr = -1;
2011 pse.io_syscw = -1;
2013 /* context switch counters not implemented */
2014 pse.cswitch_vol = -1;
2015 pse.cswitch_invol = -1;
2017 ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
2019 switch (procs[i].ki_stat)
2020 {
2021 case SSTOP: stopped++; break;
2022 case SSLEEP: sleeping++; break;
2023 case SRUN: running++; break;
2024 case SIDL: idle++; break;
2025 case SWAIT: wait++; break;
2026 case SLOCK: blocked++; break;
2027 case SZOMB: zombies++; break;
2028 }
2029 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
2030 }
2032 kvm_close(kd);
2034 ps_submit_state ("running", running);
2035 ps_submit_state ("sleeping", sleeping);
2036 ps_submit_state ("zombies", zombies);
2037 ps_submit_state ("stopped", stopped);
2038 ps_submit_state ("blocked", blocked);
2039 ps_submit_state ("idle", idle);
2040 ps_submit_state ("wait", wait);
2042 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2043 ps_submit_proc_list (ps_ptr);
2044 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
2046 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD
2047 int running = 0;
2048 int sleeping = 0;
2049 int zombies = 0;
2050 int stopped = 0;
2051 int onproc = 0;
2052 int idle = 0;
2053 int dead = 0;
2055 kvm_t *kd;
2056 char errbuf[1024];
2057 struct kinfo_proc *procs; /* array of processes */
2058 struct kinfo_proc *proc_ptr = NULL;
2059 int count; /* returns number of processes */
2060 int i;
2062 procstat_t *ps_ptr;
2063 procstat_entry_t pse;
2065 ps_list_reset ();
2067 /* Open the kvm interface, get a descriptor */
2068 kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
2069 if (kd == NULL)
2070 {
2071 ERROR ("processes plugin: Cannot open kvm interface: %s",
2072 errbuf);
2073 return (0);
2074 }
2076 /* Get the list of processes. */
2077 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
2078 if (procs == NULL)
2079 {
2080 ERROR ("processes plugin: Cannot get kvm processes list: %s",
2081 kvm_geterr(kd));
2082 kvm_close (kd);
2083 return (0);
2084 }
2086 /* Iterate through the processes in kinfo_proc */
2087 for (i = 0; i < count; i++)
2088 {
2089 /* Create only one process list entry per _process_, i.e.
2090 * filter out threads (duplicate PID entries). */
2091 if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid))
2092 {
2093 char cmdline[CMDLINE_BUFFER_SIZE] = "";
2094 _Bool have_cmdline = 0;
2096 proc_ptr = &(procs[i]);
2097 /* Don't probe zombie processes */
2098 if (!P_ZOMBIE(proc_ptr))
2099 {
2100 char **argv;
2101 int argc;
2102 int status;
2104 /* retrieve the arguments */
2105 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
2106 argc = 0;
2107 if ((argv != NULL) && (argv[0] != NULL))
2108 {
2109 while (argv[argc] != NULL)
2110 argc++;
2112 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
2113 if (status < 0)
2114 WARNING ("processes plugin: Command line did not fit into buffer.");
2115 else
2116 have_cmdline = 1;
2117 }
2118 } /* if (process has argument list) */
2120 memset (&pse, 0, sizeof (pse));
2121 pse.id = procs[i].p_pid;
2122 pse.age = 0;
2124 pse.num_proc = 1;
2125 pse.num_lwp = 1; /* XXX: accumulate p_tid values for a single p_pid ? */
2127 pse.vmem_rss = procs[i].p_vm_rssize * pagesize;
2128 pse.vmem_data = procs[i].p_vm_dsize * pagesize;
2129 pse.vmem_code = procs[i].p_vm_tsize * pagesize;
2130 pse.stack_size = procs[i].p_vm_ssize * pagesize;
2131 pse.vmem_size = pse.stack_size + pse.vmem_code + pse.vmem_data;
2132 pse.vmem_minflt = 0;
2133 pse.vmem_minflt_counter = procs[i].p_uru_minflt;
2134 pse.vmem_majflt = 0;
2135 pse.vmem_majflt_counter = procs[i].p_uru_majflt;
2137 pse.cpu_user = 0;
2138 pse.cpu_system = 0;
2139 pse.cpu_user_counter = procs[i].p_uutime_usec +
2140 (1000000lu * procs[i].p_uutime_sec);
2141 pse.cpu_system_counter = procs[i].p_ustime_usec +
2142 (1000000lu * procs[i].p_ustime_sec);
2144 /* no I/O data */
2145 pse.io_rchar = -1;
2146 pse.io_wchar = -1;
2147 pse.io_syscr = -1;
2148 pse.io_syscw = -1;
2150 /* context switch counters not implemented */
2151 pse.cswitch_vol = -1;
2152 pse.cswitch_invol = -1;
2154 ps_list_add (procs[i].p_comm, have_cmdline ? cmdline : NULL, &pse);
2156 switch (procs[i].p_stat)
2157 {
2158 case SSTOP: stopped++; break;
2159 case SSLEEP: sleeping++; break;
2160 case SRUN: running++; break;
2161 case SIDL: idle++; break;
2162 case SONPROC: onproc++; break;
2163 case SDEAD: dead++; break;
2164 case SZOMB: zombies++; break;
2165 }
2166 } /* if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) */
2167 }
2169 kvm_close(kd);
2171 ps_submit_state ("running", running);
2172 ps_submit_state ("sleeping", sleeping);
2173 ps_submit_state ("zombies", zombies);
2174 ps_submit_state ("stopped", stopped);
2175 ps_submit_state ("onproc", onproc);
2176 ps_submit_state ("idle", idle);
2177 ps_submit_state ("dead", dead);
2179 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2180 ps_submit_proc_list (ps_ptr);
2181 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD */
2183 #elif HAVE_PROCINFO_H
2184 /* AIX */
2185 int running = 0;
2186 int sleeping = 0;
2187 int zombies = 0;
2188 int stopped = 0;
2189 int paging = 0;
2190 int blocked = 0;
2192 pid_t pindex = 0;
2193 int nprocs;
2195 procstat_t *ps;
2196 procstat_entry_t pse;
2198 ps_list_reset ();
2199 while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
2200 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
2201 &pindex, MAXPROCENTRY)) > 0)
2202 {
2203 int i;
2205 for (i = 0; i < nprocs; i++)
2206 {
2207 tid64_t thindex;
2208 int nthreads;
2209 char arglist[MAXARGLN+1];
2210 char *cargs;
2211 char *cmdline;
2213 if (procentry[i].pi_state == SNONE) continue;
2214 /* if (procentry[i].pi_state == SZOMB) FIXME */
2216 cmdline = procentry[i].pi_comm;
2217 cargs = procentry[i].pi_comm;
2218 if ( procentry[i].pi_flags & SKPROC )
2219 {
2220 if (procentry[i].pi_pid == 0)
2221 cmdline = "swapper";
2222 cargs = cmdline;
2223 }
2224 else
2225 {
2226 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
2227 {
2228 int n;
2230 n = -1;
2231 while (++n < MAXARGLN)
2232 {
2233 if (arglist[n] == '\0')
2234 {
2235 if (arglist[n+1] == '\0')
2236 break;
2237 arglist[n] = ' ';
2238 }
2239 }
2240 cargs = arglist;
2241 }
2242 }
2244 pse.id = procentry[i].pi_pid;
2245 pse.age = 0;
2246 pse.num_lwp = procentry[i].pi_thcount;
2247 pse.num_proc = 1;
2249 thindex=0;
2250 while ((nthreads = getthrds64(procentry[i].pi_pid,
2251 thrdentry, sizeof(struct thrdentry64),
2252 &thindex, MAXTHRDENTRY)) > 0)
2253 {
2254 int j;
2256 for (j=0; j< nthreads; j++)
2257 {
2258 switch (thrdentry[j].ti_state)
2259 {
2260 /* case TSNONE: break; */
2261 case TSIDL: blocked++; break; /* FIXME is really blocked */
2262 case TSRUN: running++; break;
2263 case TSSLEEP: sleeping++; break;
2264 case TSSWAP: paging++; break;
2265 case TSSTOP: stopped++; break;
2266 case TSZOMB: zombies++; break;
2267 }
2268 }
2269 if (nthreads < MAXTHRDENTRY)
2270 break;
2271 }
2273 pse.cpu_user = 0;
2274 /* tv_usec is nanosec ??? */
2275 pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2276 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2278 pse.cpu_system = 0;
2279 /* tv_usec is nanosec ??? */
2280 pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2281 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2283 pse.vmem_minflt = 0;
2284 pse.vmem_minflt_counter = procentry[i].pi_minflt;
2285 pse.vmem_majflt = 0;
2286 pse.vmem_majflt_counter = procentry[i].pi_majflt;
2288 pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2289 pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2290 /* Not supported */
2291 pse.vmem_data = 0;
2292 pse.vmem_code = 0;
2293 pse.stack_size = 0;
2295 pse.io_rchar = -1;
2296 pse.io_wchar = -1;
2297 pse.io_syscr = -1;
2298 pse.io_syscw = -1;
2300 pse.cswitch_vol = -1;
2301 pse.cswitch_invol = -1;
2303 ps_list_add (cmdline, cargs, &pse);
2304 } /* for (i = 0 .. nprocs) */
2306 if (nprocs < MAXPROCENTRY)
2307 break;
2308 } /* while (getprocs64() > 0) */
2309 ps_submit_state ("running", running);
2310 ps_submit_state ("sleeping", sleeping);
2311 ps_submit_state ("zombies", zombies);
2312 ps_submit_state ("stopped", stopped);
2313 ps_submit_state ("paging", paging);
2314 ps_submit_state ("blocked", blocked);
2316 for (ps = list_head_g; ps != NULL; ps = ps->next)
2317 ps_submit_proc_list (ps);
2318 /* #endif HAVE_PROCINFO_H */
2320 #elif KERNEL_SOLARIS
2321 /*
2322 * The Solaris section adds a few more process states and removes some
2323 * process states compared to linux. Most notably there is no "PAGING"
2324 * and "BLOCKED" state for a process. The rest is similar to the linux
2325 * code.
2326 */
2327 int running = 0;
2328 int sleeping = 0;
2329 int zombies = 0;
2330 int stopped = 0;
2331 int detached = 0;
2332 int daemon = 0;
2333 int system = 0;
2334 int orphan = 0;
2336 struct dirent *ent;
2337 DIR *proc;
2339 int status;
2340 procstat_t *ps_ptr;
2341 char state;
2343 char cmdline[PRARGSZ];
2345 ps_list_reset ();
2347 proc = opendir ("/proc");
2348 if (proc == NULL)
2349 return (-1);
2351 while ((ent = readdir(proc)) != NULL)
2352 {
2353 long pid;
2354 struct procstat ps;
2355 procstat_entry_t pse;
2356 char *endptr;
2358 if (!isdigit ((int) ent->d_name[0]))
2359 continue;
2361 pid = strtol (ent->d_name, &endptr, 10);
2362 if (*endptr != 0) /* value didn't completely parse as a number */
2363 continue;
2365 status = ps_read_process (pid, &ps, &state);
2366 if (status != 0)
2367 {
2368 DEBUG("ps_read_process failed: %i", status);
2369 continue;
2370 }
2372 memset (&pse, 0, sizeof (pse));
2373 pse.id = pid;
2374 pse.age = 0;
2376 pse.num_proc = ps.num_proc;
2377 pse.num_lwp = ps.num_lwp;
2378 pse.vmem_size = ps.vmem_size;
2379 pse.vmem_rss = ps.vmem_rss;
2380 pse.vmem_data = ps.vmem_data;
2381 pse.vmem_code = ps.vmem_code;
2382 pse.stack_size = ps.stack_size;
2384 pse.vmem_minflt = 0;
2385 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2386 pse.vmem_majflt = 0;
2387 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2389 pse.cpu_user = 0;
2390 pse.cpu_user_counter = ps.cpu_user_counter;
2391 pse.cpu_system = 0;
2392 pse.cpu_system_counter = ps.cpu_system_counter;
2394 pse.io_rchar = ps.io_rchar;
2395 pse.io_wchar = ps.io_wchar;
2396 pse.io_syscr = ps.io_syscr;
2397 pse.io_syscw = ps.io_syscw;
2399 pse.cswitch_vol = -1;
2400 pse.cswitch_invol = -1;
2402 switch (state)
2403 {
2404 case 'R': running++; break;
2405 case 'S': sleeping++; break;
2406 case 'E': detached++; break;
2407 case 'Z': zombies++; break;
2408 case 'T': stopped++; break;
2409 case 'A': daemon++; break;
2410 case 'Y': system++; break;
2411 case 'O': orphan++; break;
2412 }
2415 ps_list_add (ps.name,
2416 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
2417 &pse);
2418 } /* while(readdir) */
2419 closedir (proc);
2421 ps_submit_state ("running", running);
2422 ps_submit_state ("sleeping", sleeping);
2423 ps_submit_state ("zombies", zombies);
2424 ps_submit_state ("stopped", stopped);
2425 ps_submit_state ("detached", detached);
2426 ps_submit_state ("daemon", daemon);
2427 ps_submit_state ("system", system);
2428 ps_submit_state ("orphan", orphan);
2430 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2431 ps_submit_proc_list (ps_ptr);
2433 read_fork_rate();
2434 #endif /* KERNEL_SOLARIS */
2436 return (0);
2437 } /* int ps_read */
2439 void module_register (void)
2440 {
2441 plugin_register_complex_config ("processes", ps_config);
2442 plugin_register_init ("processes", ps_init);
2443 plugin_register_read ("processes", ps_read);
2444 } /* void module_register */