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"
39 #include "common.h"
40 #include "plugin.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 <sys/user.h>
132 # include <dirent.h>
134 #ifndef MAXCOMLEN
135 # define MAXCOMLEN 16
136 #endif
138 /* #endif KERNEL_SOLARIS */
140 #else
141 # error "No applicable input method."
142 #endif
144 #if HAVE_REGEX_H
145 # include <regex.h>
146 #endif
148 #if HAVE_KSTAT_H
149 # include <kstat.h>
150 #endif
152 #ifndef CMDLINE_BUFFER_SIZE
153 # if defined(ARG_MAX) && (ARG_MAX < 4096)
154 # define CMDLINE_BUFFER_SIZE ARG_MAX
155 # else
156 # define CMDLINE_BUFFER_SIZE 4096
157 # endif
158 #endif
160 typedef struct procstat_entry_s
161 {
162 unsigned long id;
163 unsigned long age;
165 unsigned long num_proc;
166 unsigned long num_lwp;
167 unsigned long vmem_size;
168 unsigned long vmem_rss;
169 unsigned long vmem_data;
170 unsigned long vmem_code;
171 unsigned long stack_size;
173 unsigned long vmem_minflt;
174 unsigned long vmem_majflt;
175 derive_t vmem_minflt_counter;
176 derive_t vmem_majflt_counter;
178 unsigned long cpu_user;
179 unsigned long cpu_system;
180 derive_t cpu_user_counter;
181 derive_t cpu_system_counter;
183 /* io data */
184 derive_t io_rchar;
185 derive_t io_wchar;
186 derive_t io_syscr;
187 derive_t io_syscw;
189 derive_t cswitch_vol;
190 derive_t cswitch_invol;
192 struct procstat_entry_s *next;
193 } procstat_entry_t;
195 #define PROCSTAT_NAME_LEN 256
196 typedef struct procstat
197 {
198 char name[PROCSTAT_NAME_LEN];
199 #if HAVE_REGEX_H
200 regex_t *re;
201 #endif
203 unsigned long num_proc;
204 unsigned long num_lwp;
205 unsigned long vmem_size;
206 unsigned long vmem_rss;
207 unsigned long vmem_data;
208 unsigned long vmem_code;
209 unsigned long stack_size;
211 derive_t vmem_minflt_counter;
212 derive_t vmem_majflt_counter;
214 derive_t cpu_user_counter;
215 derive_t cpu_system_counter;
217 /* io data */
218 derive_t io_rchar;
219 derive_t io_wchar;
220 derive_t io_syscr;
221 derive_t io_syscw;
223 derive_t cswitch_vol;
224 derive_t cswitch_invol;
226 struct procstat *next;
227 struct procstat_entry_s *instances;
228 } procstat_t;
230 static procstat_t *list_head_g = NULL;
232 static _Bool report_ctx_switch = 0;
234 #if HAVE_THREAD_INFO
235 static mach_port_t port_host_self;
236 static mach_port_t port_task_self;
238 static processor_set_name_array_t pset_list;
239 static mach_msg_type_number_t pset_list_len;
240 /* #endif HAVE_THREAD_INFO */
242 #elif KERNEL_LINUX
243 static long pagesize_g;
244 /* #endif KERNEL_LINUX */
246 #elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
247 static int pagesize;
248 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
250 #elif HAVE_PROCINFO_H
251 static struct procentry64 procentry[MAXPROCENTRY];
252 static struct thrdentry64 thrdentry[MAXTHRDENTRY];
253 static int pagesize;
255 #ifndef _AIXVERSION_610
256 int getprocs64 (void *procsinfo, int sizproc, void *fdsinfo, int sizfd, pid_t *index, int count);
257 int getthrds64( pid_t, void *, int, tid64_t *, int );
258 #endif
259 int getargs (void *processBuffer, int bufferLen, char *argsBuffer, int argsLen);
260 #endif /* HAVE_PROCINFO_H */
262 /* put name of process from config to list_head_g tree
263 * list_head_g is a list of 'procstat_t' structs with
264 * processes names we want to watch */
265 static void ps_list_register (const char *name, const char *regexp)
266 {
267 procstat_t *new;
268 procstat_t *ptr;
269 int status;
271 new = calloc (1, sizeof (*new));
272 if (new == NULL)
273 {
274 ERROR ("processes plugin: ps_list_register: calloc failed.");
275 return;
276 }
277 sstrncpy (new->name, name, sizeof (new->name));
279 #if HAVE_REGEX_H
280 if (regexp != NULL)
281 {
282 DEBUG ("ProcessMatch: adding \"%s\" as criteria to process %s.", regexp, name);
283 new->re = malloc (sizeof (*new->re));
284 if (new->re == NULL)
285 {
286 ERROR ("processes plugin: ps_list_register: malloc failed.");
287 sfree (new);
288 return;
289 }
291 status = regcomp (new->re, regexp, REG_EXTENDED | REG_NOSUB);
292 if (status != 0)
293 {
294 DEBUG ("ProcessMatch: compiling the regular expression \"%s\" failed.", regexp);
295 sfree (new->re);
296 sfree (new);
297 return;
298 }
299 }
300 #else
301 if (regexp != NULL)
302 {
303 ERROR ("processes plugin: ps_list_register: "
304 "Regular expression \"%s\" found in config "
305 "file, but support for regular expressions "
306 "has been disabled at compile time.",
307 regexp);
308 sfree (new);
309 return;
310 }
311 #endif
313 for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
314 {
315 if (strcmp (ptr->name, name) == 0)
316 {
317 WARNING ("processes plugin: You have configured more "
318 "than one `Process' or "
319 "`ProcessMatch' with the same name. "
320 "All but the first setting will be "
321 "ignored.");
322 #if HAVE_REGEX_H
323 sfree (new->re);
324 #endif
325 sfree (new);
326 return;
327 }
329 if (ptr->next == NULL)
330 break;
331 }
333 if (ptr == NULL)
334 list_head_g = new;
335 else
336 ptr->next = new;
337 } /* void ps_list_register */
339 /* try to match name against entry, returns 1 if success */
340 static int ps_list_match (const char *name, const char *cmdline, procstat_t *ps)
341 {
342 #if HAVE_REGEX_H
343 if (ps->re != NULL)
344 {
345 int status;
346 const char *str;
348 str = cmdline;
349 if ((str == NULL) || (str[0] == 0))
350 str = name;
352 assert (str != NULL);
354 status = regexec (ps->re, str,
355 /* nmatch = */ 0,
356 /* pmatch = */ NULL,
357 /* eflags = */ 0);
358 if (status == 0)
359 return (1);
360 }
361 else
362 #endif
363 if (strcmp (ps->name, name) == 0)
364 return (1);
366 return (0);
367 } /* int ps_list_match */
369 static void ps_update_counter (_Bool init, derive_t *group_counter,
370 derive_t *curr_counter, unsigned long *curr_value,
371 derive_t new_counter, unsigned long new_value)
372 {
373 if (init)
374 {
375 *curr_value = new_value;
376 *curr_counter += new_value;
377 *group_counter += new_value;
378 return;
379 }
381 if (new_counter < *curr_counter)
382 *curr_value = new_counter + (ULONG_MAX - *curr_counter);
383 else
384 *curr_value = new_counter - *curr_counter;
386 *curr_counter = new_counter;
387 *group_counter += *curr_value;
388 }
390 /* add process entry to 'instances' of process 'name' (or refresh it) */
391 static void ps_list_add (const char *name, const char *cmdline, procstat_entry_t *entry)
392 {
393 procstat_entry_t *pse;
395 if (entry->id == 0)
396 return;
398 for (procstat_t *ps = list_head_g; ps != NULL; ps = ps->next)
399 {
400 _Bool want_init;
402 if ((ps_list_match (name, cmdline, ps)) == 0)
403 continue;
405 for (pse = ps->instances; pse != NULL; pse = pse->next)
406 if ((pse->id == entry->id) || (pse->next == NULL))
407 break;
409 if ((pse == NULL) || (pse->id != entry->id))
410 {
411 procstat_entry_t *new;
413 new = calloc (1, sizeof (*new));
414 if (new == NULL)
415 return;
416 new->id = entry->id;
418 if (pse == NULL)
419 ps->instances = new;
420 else
421 pse->next = new;
423 pse = new;
424 }
426 pse->age = 0;
427 pse->num_proc = entry->num_proc;
428 pse->num_lwp = entry->num_lwp;
429 pse->vmem_size = entry->vmem_size;
430 pse->vmem_rss = entry->vmem_rss;
431 pse->vmem_data = entry->vmem_data;
432 pse->vmem_code = entry->vmem_code;
433 pse->stack_size = entry->stack_size;
434 pse->io_rchar = entry->io_rchar;
435 pse->io_wchar = entry->io_wchar;
436 pse->io_syscr = entry->io_syscr;
437 pse->io_syscw = entry->io_syscw;
438 pse->cswitch_vol = entry->cswitch_vol;
439 pse->cswitch_invol = entry->cswitch_invol;
441 ps->num_proc += pse->num_proc;
442 ps->num_lwp += pse->num_lwp;
443 ps->vmem_size += pse->vmem_size;
444 ps->vmem_rss += pse->vmem_rss;
445 ps->vmem_data += pse->vmem_data;
446 ps->vmem_code += pse->vmem_code;
447 ps->stack_size += pse->stack_size;
449 ps->io_rchar += ((pse->io_rchar == -1)?0:pse->io_rchar);
450 ps->io_wchar += ((pse->io_wchar == -1)?0:pse->io_wchar);
451 ps->io_syscr += ((pse->io_syscr == -1)?0:pse->io_syscr);
452 ps->io_syscw += ((pse->io_syscw == -1)?0:pse->io_syscw);
454 ps->cswitch_vol += ((pse->cswitch_vol == -1)?0:pse->cswitch_vol);
455 ps->cswitch_invol += ((pse->cswitch_invol == -1)?0:pse->cswitch_invol);
457 want_init = (entry->vmem_minflt_counter == 0)
458 && (entry->vmem_majflt_counter == 0);
459 ps_update_counter (want_init,
460 &ps->vmem_minflt_counter,
461 &pse->vmem_minflt_counter, &pse->vmem_minflt,
462 entry->vmem_minflt_counter, entry->vmem_minflt);
463 ps_update_counter (want_init,
464 &ps->vmem_majflt_counter,
465 &pse->vmem_majflt_counter, &pse->vmem_majflt,
466 entry->vmem_majflt_counter, entry->vmem_majflt);
468 want_init = (entry->cpu_user_counter == 0)
469 && (entry->cpu_system_counter == 0);
470 ps_update_counter (want_init,
471 &ps->cpu_user_counter,
472 &pse->cpu_user_counter, &pse->cpu_user,
473 entry->cpu_user_counter, entry->cpu_user);
474 ps_update_counter (want_init,
475 &ps->cpu_system_counter,
476 &pse->cpu_system_counter, &pse->cpu_system,
477 entry->cpu_system_counter, entry->cpu_system);
478 }
479 }
481 /* remove old entries from instances of processes in list_head_g */
482 static void ps_list_reset (void)
483 {
484 procstat_entry_t *pse;
485 procstat_entry_t *pse_prev;
487 for (procstat_t *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 #if KERNEL_LINUX
540 const size_t max_procname_len = 15;
541 #elif KERNEL_SOLARIS || KERNEL_FREEBSD
542 const size_t max_procname_len = MAXCOMLEN -1;
543 #endif
545 for (int i = 0; i < ci->children_num; ++i) {
546 oconfig_item_t *c = ci->children + i;
548 if (strcasecmp (c->key, "Process") == 0)
549 {
550 if ((c->values_num != 1)
551 || (OCONFIG_TYPE_STRING != c->values[0].type)) {
552 ERROR ("processes plugin: `Process' expects exactly "
553 "one string argument (got %i).",
554 c->values_num);
555 continue;
556 }
558 if (c->children_num != 0) {
559 WARNING ("processes plugin: the `Process' config option "
560 "does not expect any child elements -- ignoring "
561 "content (%i elements) of the <Process '%s'> block.",
562 c->children_num, c->values[0].value.string);
563 }
565 #if KERNEL_LINUX || KERNEL_SOLARIS || KERNEL_FREEBSD
566 if (strlen (c->values[0].value.string) > max_procname_len) {
567 WARNING ("processes plugin: this platform has a %zu character limit "
568 "to process names. The `Process \"%s\"' option will "
569 "not work as expected.",
570 max_procname_len, c->values[0].value.string);
571 }
572 #endif
574 ps_list_register (c->values[0].value.string, NULL);
575 }
576 else if (strcasecmp (c->key, "ProcessMatch") == 0)
577 {
578 if ((c->values_num != 2)
579 || (OCONFIG_TYPE_STRING != c->values[0].type)
580 || (OCONFIG_TYPE_STRING != c->values[1].type))
581 {
582 ERROR ("processes plugin: `ProcessMatch' needs exactly "
583 "two string arguments (got %i).",
584 c->values_num);
585 continue;
586 }
588 if (c->children_num != 0) {
589 WARNING ("processes plugin: the `ProcessMatch' config option "
590 "does not expect any child elements -- ignoring "
591 "content (%i elements) of the <ProcessMatch '%s' '%s'> "
592 "block.", c->children_num, c->values[0].value.string,
593 c->values[1].value.string);
594 }
596 ps_list_register (c->values[0].value.string,
597 c->values[1].value.string);
598 }
599 else if (strcasecmp (c->key, "CollectContextSwitch") == 0)
600 {
601 cf_util_get_boolean (c, &report_ctx_switch);
602 }
603 else
604 {
605 ERROR ("processes plugin: The `%s' configuration option is not "
606 "understood and will be ignored.", c->key);
607 continue;
608 }
609 }
611 return (0);
612 }
614 static int ps_init (void)
615 {
616 #if HAVE_THREAD_INFO
617 kern_return_t status;
619 port_host_self = mach_host_self ();
620 port_task_self = mach_task_self ();
622 if (pset_list != NULL)
623 {
624 vm_deallocate (port_task_self,
625 (vm_address_t) pset_list,
626 pset_list_len * sizeof (processor_set_t));
627 pset_list = NULL;
628 pset_list_len = 0;
629 }
631 if ((status = host_processor_sets (port_host_self,
632 &pset_list,
633 &pset_list_len)) != KERN_SUCCESS)
634 {
635 ERROR ("host_processor_sets failed: %s\n",
636 mach_error_string (status));
637 pset_list = NULL;
638 pset_list_len = 0;
639 return (-1);
640 }
641 /* #endif HAVE_THREAD_INFO */
643 #elif KERNEL_LINUX
644 pagesize_g = sysconf(_SC_PAGESIZE);
645 DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
646 pagesize_g, CONFIG_HZ);
647 /* #endif KERNEL_LINUX */
649 #elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
650 pagesize = getpagesize();
651 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
653 #elif HAVE_PROCINFO_H
654 pagesize = getpagesize();
655 #endif /* HAVE_PROCINFO_H */
657 return (0);
658 } /* int ps_init */
660 /* submit global state (e.g.: qty of zombies, running, etc..) */
661 static void ps_submit_state (const char *state, double value)
662 {
663 value_t values[1];
664 value_list_t vl = VALUE_LIST_INIT;
666 values[0].gauge = value;
668 vl.values = values;
669 vl.values_len = 1;
670 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
671 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
672 sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
673 sstrncpy (vl.type, "ps_state", sizeof (vl.type));
674 sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
676 plugin_dispatch_values (&vl);
677 }
679 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
680 static void ps_submit_proc_list (procstat_t *ps)
681 {
682 value_t values[2];
683 value_list_t vl = VALUE_LIST_INIT;
685 vl.values = values;
686 vl.values_len = 2;
687 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
688 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
689 sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
691 sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
692 vl.values[0].gauge = ps->vmem_size;
693 vl.values_len = 1;
694 plugin_dispatch_values (&vl);
696 sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
697 vl.values[0].gauge = ps->vmem_rss;
698 vl.values_len = 1;
699 plugin_dispatch_values (&vl);
701 sstrncpy (vl.type, "ps_data", sizeof (vl.type));
702 vl.values[0].gauge = ps->vmem_data;
703 vl.values_len = 1;
704 plugin_dispatch_values (&vl);
706 sstrncpy (vl.type, "ps_code", sizeof (vl.type));
707 vl.values[0].gauge = ps->vmem_code;
708 vl.values_len = 1;
709 plugin_dispatch_values (&vl);
711 sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
712 vl.values[0].gauge = ps->stack_size;
713 vl.values_len = 1;
714 plugin_dispatch_values (&vl);
716 sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
717 vl.values[0].derive = ps->cpu_user_counter;
718 vl.values[1].derive = ps->cpu_system_counter;
719 vl.values_len = 2;
720 plugin_dispatch_values (&vl);
722 sstrncpy (vl.type, "ps_count", sizeof (vl.type));
723 vl.values[0].gauge = ps->num_proc;
724 vl.values[1].gauge = ps->num_lwp;
725 vl.values_len = 2;
726 plugin_dispatch_values (&vl);
728 sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
729 vl.values[0].derive = ps->vmem_minflt_counter;
730 vl.values[1].derive = ps->vmem_majflt_counter;
731 vl.values_len = 2;
732 plugin_dispatch_values (&vl);
734 if ( (ps->io_rchar != -1) && (ps->io_wchar != -1) )
735 {
736 sstrncpy (vl.type, "ps_disk_octets", sizeof (vl.type));
737 vl.values[0].derive = ps->io_rchar;
738 vl.values[1].derive = ps->io_wchar;
739 vl.values_len = 2;
740 plugin_dispatch_values (&vl);
741 }
743 if ( (ps->io_syscr != -1) && (ps->io_syscw != -1) )
744 {
745 sstrncpy (vl.type, "ps_disk_ops", sizeof (vl.type));
746 vl.values[0].derive = ps->io_syscr;
747 vl.values[1].derive = ps->io_syscw;
748 vl.values_len = 2;
749 plugin_dispatch_values (&vl);
750 }
752 if ( report_ctx_switch )
753 {
754 sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
755 sstrncpy (vl.type_instance, "voluntary", sizeof (vl.type_instance));
756 vl.values[0].derive = ps->cswitch_vol;
757 vl.values_len = 1;
758 plugin_dispatch_values (&vl);
760 sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
761 sstrncpy (vl.type_instance, "involuntary", sizeof (vl.type_instance));
762 vl.values[0].derive = ps->cswitch_invol;
763 vl.values_len = 1;
764 plugin_dispatch_values (&vl);
765 }
767 DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
768 "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
769 "vmem_code = %lu; "
770 "vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
771 "cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
772 "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
773 "io_syscr = %"PRIi64"; io_syscw = %"PRIi64"; "
774 "cswitch_vol = %"PRIi64"; cswitch_invol = %"PRIi64";",
775 ps->name, ps->num_proc, ps->num_lwp,
776 ps->vmem_size, ps->vmem_rss,
777 ps->vmem_data, ps->vmem_code,
778 ps->vmem_minflt_counter, ps->vmem_majflt_counter,
779 ps->cpu_user_counter, ps->cpu_system_counter,
780 ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw,
781 ps->cswitch_vol, ps->cswitch_invol);
782 } /* void ps_submit_proc_list */
784 #if KERNEL_LINUX || KERNEL_SOLARIS
785 static void ps_submit_fork_rate (derive_t value)
786 {
787 value_t values[1];
788 value_list_t vl = VALUE_LIST_INIT;
790 values[0].derive = value;
792 vl.values = values;
793 vl.values_len = 1;
794 sstrncpy(vl.host, hostname_g, sizeof (vl.host));
795 sstrncpy(vl.plugin, "processes", sizeof (vl.plugin));
796 sstrncpy(vl.plugin_instance, "", sizeof (vl.plugin_instance));
797 sstrncpy(vl.type, "fork_rate", sizeof (vl.type));
798 sstrncpy(vl.type_instance, "", sizeof (vl.type_instance));
800 plugin_dispatch_values(&vl);
801 }
802 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
804 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
805 #if KERNEL_LINUX
806 static procstat_t *ps_read_tasks_status (long pid, procstat_t *ps)
807 {
808 char dirname[64];
809 DIR *dh;
810 char filename[64];
811 FILE *fh;
812 struct dirent *ent;
813 derive_t cswitch_vol = 0;
814 derive_t cswitch_invol = 0;
815 char buffer[1024];
816 char *fields[8];
817 int numfields;
819 ssnprintf (dirname, sizeof (dirname), "/proc/%li/task", pid);
821 if ((dh = opendir (dirname)) == NULL)
822 {
823 DEBUG ("Failed to open directory `%s'", dirname);
824 return (NULL);
825 }
827 while ((ent = readdir (dh)) != NULL)
828 {
829 char *tpid;
831 if (!isdigit ((int) ent->d_name[0]))
832 continue;
834 tpid = ent->d_name;
836 ssnprintf (filename, sizeof (filename), "/proc/%li/task/%s/status", pid, tpid);
837 if ((fh = fopen (filename, "r")) == NULL)
838 {
839 DEBUG ("Failed to open file `%s'", filename);
840 continue;
841 }
843 while (fgets (buffer, sizeof(buffer), fh) != NULL)
844 {
845 derive_t tmp;
846 char *endptr;
848 if (strncmp (buffer, "voluntary_ctxt_switches", 23) != 0
849 && strncmp (buffer, "nonvoluntary_ctxt_switches", 26) != 0)
850 continue;
852 numfields = strsplit (buffer, fields,
853 STATIC_ARRAY_SIZE (fields));
855 if (numfields < 2)
856 continue;
858 errno = 0;
859 endptr = NULL;
860 tmp = (derive_t) strtoll (fields[1], &endptr, /* base = */ 10);
861 if ((errno == 0) && (endptr != fields[1]))
862 {
863 if (strncmp (buffer, "voluntary_ctxt_switches", 23) == 0)
864 {
865 cswitch_vol += tmp;
866 }
867 else if (strncmp (buffer, "nonvoluntary_ctxt_switches", 26) == 0)
868 {
869 cswitch_invol += tmp;
870 }
871 }
872 } /* while (fgets) */
874 if (fclose (fh))
875 {
876 char errbuf[1024];
877 WARNING ("processes: fclose: %s",
878 sstrerror (errno, errbuf, sizeof (errbuf)));
879 }
880 }
881 closedir (dh);
883 ps->cswitch_vol = cswitch_vol;
884 ps->cswitch_invol = cswitch_invol;
886 return (ps);
887 } /* int *ps_read_tasks_status */
889 /* Read data from /proc/pid/status */
890 static procstat_t *ps_read_status (long pid, procstat_t *ps)
891 {
892 FILE *fh;
893 char buffer[1024];
894 char filename[64];
895 unsigned long lib = 0;
896 unsigned long exe = 0;
897 unsigned long data = 0;
898 unsigned long threads = 0;
899 char *fields[8];
900 int numfields;
902 ssnprintf (filename, sizeof (filename), "/proc/%li/status", pid);
903 if ((fh = fopen (filename, "r")) == NULL)
904 return (NULL);
906 while (fgets (buffer, sizeof(buffer), fh) != NULL)
907 {
908 unsigned long tmp;
909 char *endptr;
911 if (strncmp (buffer, "Vm", 2) != 0
912 && strncmp (buffer, "Threads", 7) != 0)
913 continue;
915 numfields = strsplit (buffer, fields,
916 STATIC_ARRAY_SIZE (fields));
918 if (numfields < 2)
919 continue;
921 errno = 0;
922 endptr = NULL;
923 tmp = strtoul (fields[1], &endptr, /* base = */ 10);
924 if ((errno == 0) && (endptr != fields[1]))
925 {
926 if (strncmp (buffer, "VmData", 6) == 0)
927 {
928 data = tmp;
929 }
930 else if (strncmp (buffer, "VmLib", 5) == 0)
931 {
932 lib = tmp;
933 }
934 else if (strncmp(buffer, "VmExe", 5) == 0)
935 {
936 exe = tmp;
937 }
938 else if (strncmp(buffer, "Threads", 7) == 0)
939 {
940 threads = tmp;
941 }
942 }
943 } /* while (fgets) */
945 if (fclose (fh))
946 {
947 char errbuf[1024];
948 WARNING ("processes: fclose: %s",
949 sstrerror (errno, errbuf, sizeof (errbuf)));
950 }
952 ps->vmem_data = data * 1024;
953 ps->vmem_code = (exe + lib) * 1024;
954 if (threads != 0)
955 ps->num_lwp = threads;
957 return (ps);
958 } /* procstat_t *ps_read_vmem */
960 static procstat_t *ps_read_io (long pid, procstat_t *ps)
961 {
962 FILE *fh;
963 char buffer[1024];
964 char filename[64];
966 char *fields[8];
967 int numfields;
969 ssnprintf (filename, sizeof (filename), "/proc/%li/io", pid);
970 if ((fh = fopen (filename, "r")) == NULL)
971 return (NULL);
973 while (fgets (buffer, sizeof (buffer), fh) != NULL)
974 {
975 derive_t *val = NULL;
976 long long tmp;
977 char *endptr;
979 if (strncasecmp (buffer, "rchar:", 6) == 0)
980 val = &(ps->io_rchar);
981 else if (strncasecmp (buffer, "wchar:", 6) == 0)
982 val = &(ps->io_wchar);
983 else if (strncasecmp (buffer, "syscr:", 6) == 0)
984 val = &(ps->io_syscr);
985 else if (strncasecmp (buffer, "syscw:", 6) == 0)
986 val = &(ps->io_syscw);
987 else
988 continue;
990 numfields = strsplit (buffer, fields,
991 STATIC_ARRAY_SIZE (fields));
993 if (numfields < 2)
994 continue;
996 errno = 0;
997 endptr = NULL;
998 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
999 if ((errno != 0) || (endptr == fields[1]))
1000 *val = -1;
1001 else
1002 *val = (derive_t) tmp;
1003 } /* while (fgets) */
1005 if (fclose (fh))
1006 {
1007 char errbuf[1024];
1008 WARNING ("processes: fclose: %s",
1009 sstrerror (errno, errbuf, sizeof (errbuf)));
1010 }
1012 return (ps);
1013 } /* procstat_t *ps_read_io */
1015 static int ps_read_process (long pid, procstat_t *ps, char *state)
1016 {
1017 char filename[64];
1018 char buffer[1024];
1020 char *fields[64];
1021 char fields_len;
1023 size_t buffer_len;
1025 char *buffer_ptr;
1026 size_t name_start_pos;
1027 size_t name_end_pos;
1028 size_t name_len;
1030 derive_t cpu_user_counter;
1031 derive_t cpu_system_counter;
1032 long long unsigned vmem_size;
1033 long long unsigned vmem_rss;
1034 long long unsigned stack_size;
1036 ssize_t status;
1038 memset (ps, 0, sizeof (procstat_t));
1040 ssnprintf (filename, sizeof (filename), "/proc/%li/stat", pid);
1042 status = read_file_contents (filename, buffer, sizeof(buffer) - 1);
1043 if (status <= 0)
1044 return (-1);
1045 buffer_len = (size_t) status;
1046 buffer[buffer_len] = 0;
1048 /* The name of the process is enclosed in parens. Since the name can
1049 * contain parens itself, spaces, numbers and pretty much everything
1050 * else, use these to determine the process name. We don't use
1051 * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
1052 * otherwise be required to determine name_len. */
1053 name_start_pos = 0;
1054 while (name_start_pos < buffer_len && buffer[name_start_pos] != '(')
1055 name_start_pos++;
1057 name_end_pos = buffer_len;
1058 while (name_end_pos > 0 && buffer[name_end_pos] != ')')
1059 name_end_pos--;
1061 /* Either '(' or ')' is not found or they are in the wrong order.
1062 * Anyway, something weird that shouldn't happen ever. */
1063 if (name_start_pos >= name_end_pos)
1064 {
1065 ERROR ("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
1066 name_start_pos, name_end_pos);
1067 return (-1);
1068 }
1070 name_len = (name_end_pos - name_start_pos) - 1;
1071 if (name_len >= sizeof (ps->name))
1072 name_len = sizeof (ps->name) - 1;
1074 sstrncpy (ps->name, &buffer[name_start_pos + 1], name_len + 1);
1076 if ((buffer_len - name_end_pos) < 2)
1077 return (-1);
1078 buffer_ptr = &buffer[name_end_pos + 2];
1080 fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
1081 if (fields_len < 22)
1082 {
1083 DEBUG ("processes plugin: ps_read_process (pid = %li):"
1084 " `%s' has only %i fields..",
1085 pid, filename, fields_len);
1086 return (-1);
1087 }
1089 *state = fields[0][0];
1091 if (*state == 'Z')
1092 {
1093 ps->num_lwp = 0;
1094 ps->num_proc = 0;
1095 }
1096 else
1097 {
1098 ps->num_lwp = strtoul (fields[17], /* endptr = */ NULL, /* base = */ 10);
1099 if ((ps_read_status(pid, ps)) == NULL)
1100 {
1101 /* No VMem data */
1102 ps->vmem_data = -1;
1103 ps->vmem_code = -1;
1104 DEBUG("ps_read_process: did not get vmem data for pid %li", pid);
1105 }
1106 if (ps->num_lwp == 0)
1107 ps->num_lwp = 1;
1108 ps->num_proc = 1;
1109 }
1111 /* Leave the rest at zero if this is only a zombi */
1112 if (ps->num_proc == 0)
1113 {
1114 DEBUG ("processes plugin: This is only a zombie: pid = %li; "
1115 "name = %s;", pid, ps->name);
1116 return (0);
1117 }
1119 cpu_user_counter = atoll (fields[11]);
1120 cpu_system_counter = atoll (fields[12]);
1121 vmem_size = atoll (fields[20]);
1122 vmem_rss = atoll (fields[21]);
1123 ps->vmem_minflt_counter = atol (fields[7]);
1124 ps->vmem_majflt_counter = atol (fields[9]);
1126 {
1127 unsigned long long stack_start = atoll (fields[25]);
1128 unsigned long long stack_ptr = atoll (fields[26]);
1130 stack_size = (stack_start > stack_ptr)
1131 ? stack_start - stack_ptr
1132 : stack_ptr - stack_start;
1133 }
1135 /* Convert jiffies to useconds */
1136 cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
1137 cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1138 vmem_rss = vmem_rss * pagesize_g;
1140 ps->cpu_user_counter = cpu_user_counter;
1141 ps->cpu_system_counter = cpu_system_counter;
1142 ps->vmem_size = (unsigned long) vmem_size;
1143 ps->vmem_rss = (unsigned long) vmem_rss;
1144 ps->stack_size = (unsigned long) stack_size;
1146 if ( (ps_read_io (pid, ps)) == NULL)
1147 {
1148 /* no io data */
1149 ps->io_rchar = -1;
1150 ps->io_wchar = -1;
1151 ps->io_syscr = -1;
1152 ps->io_syscw = -1;
1154 DEBUG("ps_read_process: not get io data for pid %li", pid);
1155 }
1157 if ( report_ctx_switch )
1158 {
1159 if ( (ps_read_tasks_status(pid, ps)) == NULL)
1160 {
1161 ps->cswitch_vol = -1;
1162 ps->cswitch_invol = -1;
1164 DEBUG("ps_read_tasks_status: not get context "
1165 "switch data for pid %li", pid);
1166 }
1167 }
1169 /* success */
1170 return (0);
1171 } /* int ps_read_process (...) */
1173 static char *ps_get_cmdline (long pid, char *name, char *buf, size_t buf_len)
1174 {
1175 char *buf_ptr;
1176 size_t len;
1178 char file[PATH_MAX];
1179 int fd;
1181 size_t n;
1183 if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1184 return NULL;
1186 ssnprintf (file, sizeof (file), "/proc/%li/cmdline", pid);
1188 errno = 0;
1189 fd = open (file, O_RDONLY);
1190 if (fd < 0) {
1191 char errbuf[4096];
1192 /* ENOENT means the process exited while we were handling it.
1193 * Don't complain about this, it only fills the logs. */
1194 if (errno != ENOENT)
1195 WARNING ("processes plugin: Failed to open `%s': %s.", file,
1196 sstrerror (errno, errbuf, sizeof (errbuf)));
1197 return NULL;
1198 }
1200 buf_ptr = buf;
1201 len = buf_len;
1203 n = 0;
1205 while (42) {
1206 ssize_t status;
1208 status = read (fd, (void *)buf_ptr, len);
1210 if (status < 0) {
1211 char errbuf[1024];
1213 if ((EAGAIN == errno) || (EINTR == errno))
1214 continue;
1216 WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1217 sstrerror (errno, errbuf, sizeof (errbuf)));
1218 close (fd);
1219 return NULL;
1220 }
1222 n += status;
1224 if (status == 0)
1225 break;
1227 buf_ptr += status;
1228 len -= status;
1230 if (len == 0)
1231 break;
1232 }
1234 close (fd);
1236 if (0 == n) {
1237 /* cmdline not available; e.g. kernel thread, zombie */
1238 if (NULL == name)
1239 return NULL;
1241 ssnprintf (buf, buf_len, "[%s]", name);
1242 return buf;
1243 }
1245 assert (n <= buf_len);
1247 if (n == buf_len)
1248 --n;
1249 buf[n] = '\0';
1251 --n;
1252 /* remove trailing whitespace */
1253 while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1254 buf[n] = '\0';
1255 --n;
1256 }
1258 /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1259 while (n > 0) {
1260 if ('\0' == buf[n])
1261 buf[n] = ' ';
1262 --n;
1263 }
1264 return buf;
1265 } /* char *ps_get_cmdline (...) */
1267 static int read_fork_rate (void)
1268 {
1269 FILE *proc_stat;
1270 char buffer[1024];
1271 value_t value;
1272 _Bool value_valid = 0;
1274 proc_stat = fopen ("/proc/stat", "r");
1275 if (proc_stat == NULL)
1276 {
1277 char errbuf[1024];
1278 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1279 sstrerror (errno, errbuf, sizeof (errbuf)));
1280 return (-1);
1281 }
1283 while (fgets (buffer, sizeof (buffer), proc_stat) != NULL)
1284 {
1285 int status;
1286 char *fields[3];
1287 int fields_num;
1289 fields_num = strsplit (buffer, fields,
1290 STATIC_ARRAY_SIZE (fields));
1291 if (fields_num != 2)
1292 continue;
1294 if (strcmp ("processes", fields[0]) != 0)
1295 continue;
1297 status = parse_value (fields[1], &value, DS_TYPE_DERIVE);
1298 if (status == 0)
1299 value_valid = 1;
1301 break;
1302 }
1303 fclose(proc_stat);
1305 if (!value_valid)
1306 return (-1);
1308 ps_submit_fork_rate (value.derive);
1309 return (0);
1310 }
1311 #endif /*KERNEL_LINUX */
1313 #if KERNEL_SOLARIS
1314 static char *ps_get_cmdline (long pid, char *name __attribute__((unused)), /* {{{ */
1315 char *buffer, size_t buffer_size)
1316 {
1317 char path[PATH_MAX];
1318 psinfo_t info;
1319 ssize_t status;
1321 snprintf(path, sizeof (path), "/proc/%li/psinfo", pid);
1323 status = read_file_contents (path, (void *) &info, sizeof (info));
1324 if ((status < 0) || (((size_t) status) != sizeof (info)))
1325 {
1326 ERROR ("processes plugin: Unexpected return value "
1327 "while reading \"%s\": "
1328 "Returned %zd but expected %zu.",
1329 path, status, buffer_size);
1330 return (NULL);
1331 }
1333 info.pr_psargs[sizeof (info.pr_psargs) - 1] = 0;
1334 sstrncpy (buffer, info.pr_psargs, buffer_size);
1336 return (buffer);
1337 } /* }}} int ps_get_cmdline */
1339 /*
1340 * Reads process information on the Solaris OS. The information comes mainly from
1341 * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1342 * The values for input and ouput chars are calculated "by hand"
1343 * Added a few "solaris" specific process states as well
1344 */
1345 static int ps_read_process(long pid, procstat_t *ps, char *state)
1346 {
1347 char filename[64];
1348 char f_psinfo[64], f_usage[64];
1349 char *buffer;
1351 pstatus_t *myStatus;
1352 psinfo_t *myInfo;
1353 prusage_t *myUsage;
1355 snprintf(filename, sizeof (filename), "/proc/%li/status", pid);
1356 snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%li/psinfo", pid);
1357 snprintf(f_usage, sizeof (f_usage), "/proc/%li/usage", pid);
1360 buffer = calloc(1, sizeof (pstatus_t));
1361 read_file_contents(filename, buffer, sizeof (pstatus_t));
1362 myStatus = (pstatus_t *) buffer;
1364 buffer = calloc(1, sizeof (psinfo_t));
1365 read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1366 myInfo = (psinfo_t *) buffer;
1368 buffer = calloc(1, sizeof (prusage_t));
1369 read_file_contents(f_usage, buffer, sizeof (prusage_t));
1370 myUsage = (prusage_t *) buffer;
1372 sstrncpy(ps->name, myInfo->pr_fname, sizeof (myInfo->pr_fname));
1373 ps->num_lwp = myStatus->pr_nlwp;
1374 if (myInfo->pr_wstat != 0) {
1375 ps->num_proc = 0;
1376 ps->num_lwp = 0;
1377 *state = (char) 'Z';
1379 sfree(myStatus);
1380 sfree(myInfo);
1381 sfree(myUsage);
1382 return (0);
1383 } else {
1384 ps->num_proc = 1;
1385 ps->num_lwp = myInfo->pr_nlwp;
1386 }
1388 /*
1389 * Convert system time and user time from nanoseconds to microseconds
1390 * for compatibility with the linux module
1391 */
1392 ps->cpu_system_counter = myStatus -> pr_stime.tv_nsec / 1000;
1393 ps->cpu_user_counter = myStatus -> pr_utime.tv_nsec / 1000;
1395 /*
1396 * Convert rssize from KB to bytes to be consistent w/ the linux module
1397 */
1398 ps->vmem_rss = myInfo->pr_rssize * 1024;
1399 ps->vmem_size = myInfo->pr_size * 1024;
1400 ps->vmem_minflt_counter = myUsage->pr_minf;
1401 ps->vmem_majflt_counter = myUsage->pr_majf;
1403 /*
1404 * TODO: Data and code segment calculations for Solaris
1405 */
1407 ps->vmem_data = -1;
1408 ps->vmem_code = -1;
1409 ps->stack_size = myStatus->pr_stksize;
1411 /*
1412 * Calculating input/ouput chars
1413 * Formula used is total chars / total blocks => chars/block
1414 * then convert input/output blocks to chars
1415 */
1416 ulong_t tot_chars = myUsage->pr_ioch;
1417 ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1418 ulong_t chars_per_block = 1;
1419 if (tot_blocks != 0)
1420 chars_per_block = tot_chars / tot_blocks;
1421 ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1422 ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1423 ps->io_syscr = myUsage->pr_sysc;
1424 ps->io_syscw = myUsage->pr_sysc;
1426 /*
1427 * TODO: context switch counters for Solaris
1428 */
1429 ps->cswitch_vol = -1;
1430 ps->cswitch_invol = -1;
1433 /*
1434 * TODO: Find way of setting BLOCKED and PAGING status
1435 */
1437 *state = (char) 'R';
1438 if (myStatus->pr_flags & PR_ASLEEP)
1439 *state = (char) 'S';
1440 else if (myStatus->pr_flags & PR_STOPPED)
1441 *state = (char) 'T';
1442 else if (myStatus->pr_flags & PR_DETACH)
1443 *state = (char) 'E';
1444 else if (myStatus->pr_flags & PR_DAEMON)
1445 *state = (char) 'A';
1446 else if (myStatus->pr_flags & PR_ISSYS)
1447 *state = (char) 'Y';
1448 else if (myStatus->pr_flags & PR_ORPHAN)
1449 *state = (char) 'O';
1451 sfree(myStatus);
1452 sfree(myInfo);
1453 sfree(myUsage);
1455 return (0);
1456 }
1458 /*
1459 * Reads the number of threads created since the last reboot. On Solaris these
1460 * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1461 * The result is the sum for all the threads created on each cpu
1462 */
1463 static int read_fork_rate (void)
1464 {
1465 extern kstat_ctl_t *kc;
1466 derive_t result = 0;
1468 if (kc == NULL)
1469 return (-1);
1471 for (kstat_t *ksp_chain = kc->kc_chain;
1472 ksp_chain != NULL;
1473 ksp_chain = ksp_chain->ks_next)
1474 {
1475 if ((strcmp (ksp_chain->ks_module, "cpu") == 0)
1476 && (strcmp (ksp_chain->ks_name, "sys") == 0)
1477 && (strcmp (ksp_chain->ks_class, "misc") == 0))
1478 {
1479 long long tmp;
1481 kstat_read (kc, ksp_chain, NULL);
1483 tmp = get_kstat_value(ksp_chain, "nthreads");
1484 if (tmp != -1LL)
1485 result += tmp;
1486 }
1487 }
1489 ps_submit_fork_rate (result);
1490 return (0);
1491 }
1492 #endif /* KERNEL_SOLARIS */
1494 #if HAVE_THREAD_INFO
1495 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1496 {
1497 int mib[4];
1499 struct kinfo_proc kp;
1500 size_t kp_size;
1502 mib[0] = CTL_KERN;
1503 mib[1] = KERN_PROC;
1504 mib[2] = KERN_PROC_PID;
1506 if (pid_for_task (t, pid) != KERN_SUCCESS)
1507 return (-1);
1508 mib[3] = *pid;
1510 kp_size = sizeof (kp);
1511 if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1512 return (-1);
1514 if (name_max_len > (MAXCOMLEN + 1))
1515 name_max_len = MAXCOMLEN + 1;
1517 strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1518 name[name_max_len - 1] = '\0';
1520 DEBUG ("pid = %i; name = %s;", *pid, name);
1522 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1523 * `top' does it, because it is a lot of work and only used when
1524 * debugging. -octo */
1526 return (0);
1527 }
1528 #endif /* HAVE_THREAD_INFO */
1529 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1531 /* do actual readings from kernel */
1532 static int ps_read (void)
1533 {
1534 #if HAVE_THREAD_INFO
1535 kern_return_t status;
1537 processor_set_t port_pset_priv;
1539 task_array_t task_list;
1540 mach_msg_type_number_t task_list_len;
1542 int task_pid;
1543 char task_name[MAXCOMLEN + 1];
1545 thread_act_array_t thread_list;
1546 mach_msg_type_number_t thread_list_len;
1547 thread_basic_info_data_t thread_data;
1548 mach_msg_type_number_t thread_data_len;
1550 int running = 0;
1551 int sleeping = 0;
1552 int zombies = 0;
1553 int stopped = 0;
1554 int blocked = 0;
1556 procstat_t *ps;
1557 procstat_entry_t pse;
1559 ps_list_reset ();
1561 /*
1562 * The Mach-concept is a little different from the traditional UNIX
1563 * concept: All the work is done in threads. Threads are contained in
1564 * `tasks'. Therefore, `task status' doesn't make much sense, since
1565 * it's actually a `thread status'.
1566 * Tasks are assigned to sets of processors, so that's where you go to
1567 * get a list.
1568 */
1569 for (mach_msg_type_number_t pset = 0; pset < pset_list_len; pset++)
1570 {
1571 if ((status = host_processor_set_priv (port_host_self,
1572 pset_list[pset],
1573 &port_pset_priv)) != KERN_SUCCESS)
1574 {
1575 ERROR ("host_processor_set_priv failed: %s\n",
1576 mach_error_string (status));
1577 continue;
1578 }
1580 if ((status = processor_set_tasks (port_pset_priv,
1581 &task_list,
1582 &task_list_len)) != KERN_SUCCESS)
1583 {
1584 ERROR ("processor_set_tasks failed: %s\n",
1585 mach_error_string (status));
1586 mach_port_deallocate (port_task_self, port_pset_priv);
1587 continue;
1588 }
1590 for (mach_msg_type_number_t task = 0; task < task_list_len; task++)
1591 {
1592 ps = NULL;
1593 if (mach_get_task_name (task_list[task],
1594 &task_pid,
1595 task_name, PROCSTAT_NAME_LEN) == 0)
1596 {
1597 /* search for at least one match */
1598 for (ps = list_head_g; ps != NULL; ps = ps->next)
1599 /* FIXME: cmdline should be here instead of NULL */
1600 if (ps_list_match (task_name, NULL, ps) == 1)
1601 break;
1602 }
1604 /* Collect more detailed statistics for this process */
1605 if (ps != NULL)
1606 {
1607 task_basic_info_data_t task_basic_info;
1608 mach_msg_type_number_t task_basic_info_len;
1609 task_events_info_data_t task_events_info;
1610 mach_msg_type_number_t task_events_info_len;
1611 task_absolutetime_info_data_t task_absolutetime_info;
1612 mach_msg_type_number_t task_absolutetime_info_len;
1614 memset (&pse, '\0', sizeof (pse));
1615 pse.id = task_pid;
1617 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1618 status = task_info (task_list[task],
1619 TASK_BASIC_INFO,
1620 (task_info_t) &task_basic_info,
1621 &task_basic_info_len);
1622 if (status != KERN_SUCCESS)
1623 {
1624 ERROR ("task_info failed: %s",
1625 mach_error_string (status));
1626 continue; /* with next thread_list */
1627 }
1629 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1630 status = task_info (task_list[task],
1631 TASK_EVENTS_INFO,
1632 (task_info_t) &task_events_info,
1633 &task_events_info_len);
1634 if (status != KERN_SUCCESS)
1635 {
1636 ERROR ("task_info failed: %s",
1637 mach_error_string (status));
1638 continue; /* with next thread_list */
1639 }
1641 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1642 status = task_info (task_list[task],
1643 TASK_ABSOLUTETIME_INFO,
1644 (task_info_t) &task_absolutetime_info,
1645 &task_absolutetime_info_len);
1646 if (status != KERN_SUCCESS)
1647 {
1648 ERROR ("task_info failed: %s",
1649 mach_error_string (status));
1650 continue; /* with next thread_list */
1651 }
1653 pse.num_proc++;
1654 pse.vmem_size = task_basic_info.virtual_size;
1655 pse.vmem_rss = task_basic_info.resident_size;
1656 /* Does not seem to be easily exposed */
1657 pse.vmem_data = 0;
1658 pse.vmem_code = 0;
1660 pse.vmem_minflt_counter = task_events_info.cow_faults;
1661 pse.vmem_majflt_counter = task_events_info.faults;
1663 pse.cpu_user_counter = task_absolutetime_info.total_user;
1664 pse.cpu_system_counter = task_absolutetime_info.total_system;
1666 /* context switch counters not implemented */
1667 pse.cswitch_vol = -1;
1668 pse.cswitch_invol = -1;
1669 }
1671 status = task_threads (task_list[task], &thread_list,
1672 &thread_list_len);
1673 if (status != KERN_SUCCESS)
1674 {
1675 /* Apple's `top' treats this case a zombie. It
1676 * makes sense to some extend: A `zombie'
1677 * thread is nonsense, since the task/process
1678 * is dead. */
1679 zombies++;
1680 DEBUG ("task_threads failed: %s",
1681 mach_error_string (status));
1682 if (task_list[task] != port_task_self)
1683 mach_port_deallocate (port_task_self,
1684 task_list[task]);
1685 continue; /* with next task_list */
1686 }
1688 for (mach_msg_type_number_t thread = 0; thread < thread_list_len; thread++)
1689 {
1690 thread_data_len = THREAD_BASIC_INFO_COUNT;
1691 status = thread_info (thread_list[thread],
1692 THREAD_BASIC_INFO,
1693 (thread_info_t) &thread_data,
1694 &thread_data_len);
1695 if (status != KERN_SUCCESS)
1696 {
1697 ERROR ("thread_info failed: %s",
1698 mach_error_string (status));
1699 if (task_list[task] != port_task_self)
1700 mach_port_deallocate (port_task_self,
1701 thread_list[thread]);
1702 continue; /* with next thread_list */
1703 }
1705 if (ps != NULL)
1706 pse.num_lwp++;
1708 switch (thread_data.run_state)
1709 {
1710 case TH_STATE_RUNNING:
1711 running++;
1712 break;
1713 case TH_STATE_STOPPED:
1714 /* What exactly is `halted'? */
1715 case TH_STATE_HALTED:
1716 stopped++;
1717 break;
1718 case TH_STATE_WAITING:
1719 sleeping++;
1720 break;
1721 case TH_STATE_UNINTERRUPTIBLE:
1722 blocked++;
1723 break;
1724 /* There is no `zombie' case here,
1725 * since there are no zombie-threads.
1726 * There's only zombie tasks, which are
1727 * handled above. */
1728 default:
1729 WARNING ("Unknown thread status: %i",
1730 thread_data.run_state);
1731 break;
1732 } /* switch (thread_data.run_state) */
1734 if (task_list[task] != port_task_self)
1735 {
1736 status = mach_port_deallocate (port_task_self,
1737 thread_list[thread]);
1738 if (status != KERN_SUCCESS)
1739 ERROR ("mach_port_deallocate failed: %s",
1740 mach_error_string (status));
1741 }
1742 } /* for (thread_list) */
1744 if ((status = vm_deallocate (port_task_self,
1745 (vm_address_t) thread_list,
1746 thread_list_len * sizeof (thread_act_t)))
1747 != KERN_SUCCESS)
1748 {
1749 ERROR ("vm_deallocate failed: %s",
1750 mach_error_string (status));
1751 }
1752 thread_list = NULL;
1753 thread_list_len = 0;
1755 /* Only deallocate the task port, if it isn't our own.
1756 * Don't know what would happen in that case, but this
1757 * is what Apple's top does.. ;) */
1758 if (task_list[task] != port_task_self)
1759 {
1760 status = mach_port_deallocate (port_task_self,
1761 task_list[task]);
1762 if (status != KERN_SUCCESS)
1763 ERROR ("mach_port_deallocate failed: %s",
1764 mach_error_string (status));
1765 }
1767 if (ps != NULL)
1768 /* FIXME: cmdline should be here instead of NULL */
1769 ps_list_add (task_name, NULL, &pse);
1770 } /* for (task_list) */
1772 if ((status = vm_deallocate (port_task_self,
1773 (vm_address_t) task_list,
1774 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1775 {
1776 ERROR ("vm_deallocate failed: %s",
1777 mach_error_string (status));
1778 }
1779 task_list = NULL;
1780 task_list_len = 0;
1782 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1783 != KERN_SUCCESS)
1784 {
1785 ERROR ("mach_port_deallocate failed: %s",
1786 mach_error_string (status));
1787 }
1788 } /* for (pset_list) */
1790 ps_submit_state ("running", running);
1791 ps_submit_state ("sleeping", sleeping);
1792 ps_submit_state ("zombies", zombies);
1793 ps_submit_state ("stopped", stopped);
1794 ps_submit_state ("blocked", blocked);
1796 for (ps = list_head_g; ps != NULL; ps = ps->next)
1797 ps_submit_proc_list (ps);
1798 /* #endif HAVE_THREAD_INFO */
1800 #elif KERNEL_LINUX
1801 int running = 0;
1802 int sleeping = 0;
1803 int zombies = 0;
1804 int stopped = 0;
1805 int paging = 0;
1806 int blocked = 0;
1808 struct dirent *ent;
1809 DIR *proc;
1810 long pid;
1812 char cmdline[CMDLINE_BUFFER_SIZE];
1814 int status;
1815 procstat_t ps;
1816 procstat_entry_t pse;
1817 char state;
1819 running = sleeping = zombies = stopped = paging = blocked = 0;
1820 ps_list_reset ();
1822 if ((proc = opendir ("/proc")) == NULL)
1823 {
1824 char errbuf[1024];
1825 ERROR ("Cannot open `/proc': %s",
1826 sstrerror (errno, errbuf, sizeof (errbuf)));
1827 return (-1);
1828 }
1830 while ((ent = readdir (proc)) != NULL)
1831 {
1832 if (!isdigit (ent->d_name[0]))
1833 continue;
1835 if ((pid = atol (ent->d_name)) < 1)
1836 continue;
1838 status = ps_read_process (pid, &ps, &state);
1839 if (status != 0)
1840 {
1841 DEBUG ("ps_read_process failed: %i", status);
1842 continue;
1843 }
1845 memset (&pse, 0, sizeof (pse));
1846 pse.id = pid;
1847 pse.age = 0;
1849 pse.num_proc = ps.num_proc;
1850 pse.num_lwp = ps.num_lwp;
1851 pse.vmem_size = ps.vmem_size;
1852 pse.vmem_rss = ps.vmem_rss;
1853 pse.vmem_data = ps.vmem_data;
1854 pse.vmem_code = ps.vmem_code;
1855 pse.stack_size = ps.stack_size;
1857 pse.vmem_minflt = 0;
1858 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1859 pse.vmem_majflt = 0;
1860 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1862 pse.cpu_user = 0;
1863 pse.cpu_user_counter = ps.cpu_user_counter;
1864 pse.cpu_system = 0;
1865 pse.cpu_system_counter = ps.cpu_system_counter;
1867 pse.io_rchar = ps.io_rchar;
1868 pse.io_wchar = ps.io_wchar;
1869 pse.io_syscr = ps.io_syscr;
1870 pse.io_syscw = ps.io_syscw;
1872 pse.cswitch_vol = ps.cswitch_vol;
1873 pse.cswitch_invol = ps.cswitch_invol;
1875 switch (state)
1876 {
1877 case 'R': running++; break;
1878 case 'S': sleeping++; break;
1879 case 'D': blocked++; break;
1880 case 'Z': zombies++; break;
1881 case 'T': stopped++; break;
1882 case 'W': paging++; break;
1883 }
1885 ps_list_add (ps.name,
1886 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1887 &pse);
1888 }
1890 closedir (proc);
1892 ps_submit_state ("running", running);
1893 ps_submit_state ("sleeping", sleeping);
1894 ps_submit_state ("zombies", zombies);
1895 ps_submit_state ("stopped", stopped);
1896 ps_submit_state ("paging", paging);
1897 ps_submit_state ("blocked", blocked);
1899 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1900 ps_submit_proc_list (ps_ptr);
1902 read_fork_rate();
1903 /* #endif KERNEL_LINUX */
1905 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1906 int running = 0;
1907 int sleeping = 0;
1908 int zombies = 0;
1909 int stopped = 0;
1910 int blocked = 0;
1911 int idle = 0;
1912 int wait = 0;
1914 kvm_t *kd;
1915 char errbuf[_POSIX2_LINE_MAX];
1916 struct kinfo_proc *procs; /* array of processes */
1917 struct kinfo_proc *proc_ptr = NULL;
1918 int count; /* returns number of processes */
1920 procstat_entry_t pse;
1922 ps_list_reset ();
1924 /* Open the kvm interface, get a descriptor */
1925 kd = kvm_openfiles (NULL, "/dev/null", NULL, 0, errbuf);
1926 if (kd == NULL)
1927 {
1928 ERROR ("processes plugin: Cannot open kvm interface: %s",
1929 errbuf);
1930 return (0);
1931 }
1933 /* Get the list of processes. */
1934 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1935 if (procs == NULL)
1936 {
1937 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1938 kvm_geterr(kd));
1939 kvm_close (kd);
1940 return (0);
1941 }
1943 /* Iterate through the processes in kinfo_proc */
1944 for (int i = 0; i < count; i++)
1945 {
1946 /* Create only one process list entry per _process_, i.e.
1947 * filter out threads (duplicate PID entries). */
1948 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1949 {
1950 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1951 _Bool have_cmdline = 0;
1953 proc_ptr = &(procs[i]);
1954 /* Don't probe system processes and processes without arguments */
1955 if (((procs[i].ki_flag & P_SYSTEM) == 0)
1956 && (procs[i].ki_args != NULL))
1957 {
1958 char **argv;
1959 int argc;
1960 int status;
1962 /* retrieve the arguments */
1963 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1964 argc = 0;
1965 if ((argv != NULL) && (argv[0] != NULL))
1966 {
1967 while (argv[argc] != NULL)
1968 argc++;
1970 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1971 if (status < 0)
1972 WARNING ("processes plugin: Command line did not fit into buffer.");
1973 else
1974 have_cmdline = 1;
1975 }
1976 } /* if (process has argument list) */
1978 pse.id = procs[i].ki_pid;
1979 pse.age = 0;
1981 pse.num_proc = 1;
1982 pse.num_lwp = procs[i].ki_numthreads;
1984 pse.vmem_size = procs[i].ki_size;
1985 pse.vmem_rss = procs[i].ki_rssize * pagesize;
1986 pse.vmem_data = procs[i].ki_dsize * pagesize;
1987 pse.vmem_code = procs[i].ki_tsize * pagesize;
1988 pse.stack_size = procs[i].ki_ssize * pagesize;
1989 pse.vmem_minflt = 0;
1990 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1991 pse.vmem_majflt = 0;
1992 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1994 pse.cpu_user = 0;
1995 pse.cpu_system = 0;
1996 pse.cpu_user_counter = 0;
1997 pse.cpu_system_counter = 0;
1998 /*
1999 * The u-area might be swapped out, and we can't get
2000 * at it because we have a crashdump and no swap.
2001 * If it's here fill in these fields, otherwise, just
2002 * leave them 0.
2003 */
2004 if (procs[i].ki_flag & P_INMEM)
2005 {
2006 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
2007 + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
2008 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
2009 + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
2010 }
2012 /* no I/O data */
2013 pse.io_rchar = -1;
2014 pse.io_wchar = -1;
2015 pse.io_syscr = -1;
2016 pse.io_syscw = -1;
2018 /* context switch counters not implemented */
2019 pse.cswitch_vol = -1;
2020 pse.cswitch_invol = -1;
2022 ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
2024 switch (procs[i].ki_stat)
2025 {
2026 case SSTOP: stopped++; break;
2027 case SSLEEP: sleeping++; break;
2028 case SRUN: running++; break;
2029 case SIDL: idle++; break;
2030 case SWAIT: wait++; break;
2031 case SLOCK: blocked++; break;
2032 case SZOMB: zombies++; break;
2033 }
2034 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
2035 }
2037 kvm_close(kd);
2039 ps_submit_state ("running", running);
2040 ps_submit_state ("sleeping", sleeping);
2041 ps_submit_state ("zombies", zombies);
2042 ps_submit_state ("stopped", stopped);
2043 ps_submit_state ("blocked", blocked);
2044 ps_submit_state ("idle", idle);
2045 ps_submit_state ("wait", wait);
2047 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2048 ps_submit_proc_list (ps_ptr);
2049 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
2051 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD
2052 int running = 0;
2053 int sleeping = 0;
2054 int zombies = 0;
2055 int stopped = 0;
2056 int onproc = 0;
2057 int idle = 0;
2058 int dead = 0;
2060 kvm_t *kd;
2061 char errbuf[1024];
2062 struct kinfo_proc *procs; /* array of processes */
2063 struct kinfo_proc *proc_ptr = NULL;
2064 int count; /* returns number of processes */
2066 procstat_entry_t pse;
2068 ps_list_reset ();
2070 /* Open the kvm interface, get a descriptor */
2071 kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
2072 if (kd == NULL)
2073 {
2074 ERROR ("processes plugin: Cannot open kvm interface: %s",
2075 errbuf);
2076 return (0);
2077 }
2079 /* Get the list of processes. */
2080 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
2081 if (procs == NULL)
2082 {
2083 ERROR ("processes plugin: Cannot get kvm processes list: %s",
2084 kvm_geterr(kd));
2085 kvm_close (kd);
2086 return (0);
2087 }
2089 /* Iterate through the processes in kinfo_proc */
2090 for (int i = 0; i < count; i++)
2091 {
2092 /* Create only one process list entry per _process_, i.e.
2093 * filter out threads (duplicate PID entries). */
2094 if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid))
2095 {
2096 char cmdline[CMDLINE_BUFFER_SIZE] = "";
2097 _Bool have_cmdline = 0;
2099 proc_ptr = &(procs[i]);
2100 /* Don't probe zombie processes */
2101 if (!P_ZOMBIE(proc_ptr))
2102 {
2103 char **argv;
2104 int argc;
2105 int status;
2107 /* retrieve the arguments */
2108 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
2109 argc = 0;
2110 if ((argv != NULL) && (argv[0] != NULL))
2111 {
2112 while (argv[argc] != NULL)
2113 argc++;
2115 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
2116 if (status < 0)
2117 WARNING ("processes plugin: Command line did not fit into buffer.");
2118 else
2119 have_cmdline = 1;
2120 }
2121 } /* if (process has argument list) */
2123 memset (&pse, 0, sizeof (pse));
2124 pse.id = procs[i].p_pid;
2125 pse.age = 0;
2127 pse.num_proc = 1;
2128 pse.num_lwp = 1; /* XXX: accumulate p_tid values for a single p_pid ? */
2130 pse.vmem_rss = procs[i].p_vm_rssize * pagesize;
2131 pse.vmem_data = procs[i].p_vm_dsize * pagesize;
2132 pse.vmem_code = procs[i].p_vm_tsize * pagesize;
2133 pse.stack_size = procs[i].p_vm_ssize * pagesize;
2134 pse.vmem_size = pse.stack_size + pse.vmem_code + pse.vmem_data;
2135 pse.vmem_minflt = 0;
2136 pse.vmem_minflt_counter = procs[i].p_uru_minflt;
2137 pse.vmem_majflt = 0;
2138 pse.vmem_majflt_counter = procs[i].p_uru_majflt;
2140 pse.cpu_user = 0;
2141 pse.cpu_system = 0;
2142 pse.cpu_user_counter = procs[i].p_uutime_usec +
2143 (1000000lu * procs[i].p_uutime_sec);
2144 pse.cpu_system_counter = procs[i].p_ustime_usec +
2145 (1000000lu * procs[i].p_ustime_sec);
2147 /* no I/O data */
2148 pse.io_rchar = -1;
2149 pse.io_wchar = -1;
2150 pse.io_syscr = -1;
2151 pse.io_syscw = -1;
2153 /* context switch counters not implemented */
2154 pse.cswitch_vol = -1;
2155 pse.cswitch_invol = -1;
2157 ps_list_add (procs[i].p_comm, have_cmdline ? cmdline : NULL, &pse);
2159 switch (procs[i].p_stat)
2160 {
2161 case SSTOP: stopped++; break;
2162 case SSLEEP: sleeping++; break;
2163 case SRUN: running++; break;
2164 case SIDL: idle++; break;
2165 case SONPROC: onproc++; break;
2166 case SDEAD: dead++; break;
2167 case SZOMB: zombies++; break;
2168 }
2169 } /* if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) */
2170 }
2172 kvm_close(kd);
2174 ps_submit_state ("running", running);
2175 ps_submit_state ("sleeping", sleeping);
2176 ps_submit_state ("zombies", zombies);
2177 ps_submit_state ("stopped", stopped);
2178 ps_submit_state ("onproc", onproc);
2179 ps_submit_state ("idle", idle);
2180 ps_submit_state ("dead", dead);
2182 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2183 ps_submit_proc_list (ps_ptr);
2184 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD */
2186 #elif HAVE_PROCINFO_H
2187 /* AIX */
2188 int running = 0;
2189 int sleeping = 0;
2190 int zombies = 0;
2191 int stopped = 0;
2192 int paging = 0;
2193 int blocked = 0;
2195 pid_t pindex = 0;
2196 int nprocs;
2198 procstat_entry_t pse;
2200 ps_list_reset ();
2201 while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
2202 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
2203 &pindex, MAXPROCENTRY)) > 0)
2204 {
2205 for (int 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 (procstat_t *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 char state;
2342 char cmdline[PRARGSZ];
2344 ps_list_reset ();
2346 proc = opendir ("/proc");
2347 if (proc == NULL)
2348 return (-1);
2350 while ((ent = readdir(proc)) != NULL)
2351 {
2352 long pid;
2353 struct procstat ps;
2354 procstat_entry_t pse;
2355 char *endptr;
2357 if (!isdigit ((int) ent->d_name[0]))
2358 continue;
2360 pid = strtol (ent->d_name, &endptr, 10);
2361 if (*endptr != 0) /* value didn't completely parse as a number */
2362 continue;
2364 status = ps_read_process (pid, &ps, &state);
2365 if (status != 0)
2366 {
2367 DEBUG("ps_read_process failed: %i", status);
2368 continue;
2369 }
2371 memset (&pse, 0, sizeof (pse));
2372 pse.id = pid;
2373 pse.age = 0;
2375 pse.num_proc = ps.num_proc;
2376 pse.num_lwp = ps.num_lwp;
2377 pse.vmem_size = ps.vmem_size;
2378 pse.vmem_rss = ps.vmem_rss;
2379 pse.vmem_data = ps.vmem_data;
2380 pse.vmem_code = ps.vmem_code;
2381 pse.stack_size = ps.stack_size;
2383 pse.vmem_minflt = 0;
2384 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2385 pse.vmem_majflt = 0;
2386 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2388 pse.cpu_user = 0;
2389 pse.cpu_user_counter = ps.cpu_user_counter;
2390 pse.cpu_system = 0;
2391 pse.cpu_system_counter = ps.cpu_system_counter;
2393 pse.io_rchar = ps.io_rchar;
2394 pse.io_wchar = ps.io_wchar;
2395 pse.io_syscr = ps.io_syscr;
2396 pse.io_syscw = ps.io_syscw;
2398 pse.cswitch_vol = -1;
2399 pse.cswitch_invol = -1;
2401 switch (state)
2402 {
2403 case 'R': running++; break;
2404 case 'S': sleeping++; break;
2405 case 'E': detached++; break;
2406 case 'Z': zombies++; break;
2407 case 'T': stopped++; break;
2408 case 'A': daemon++; break;
2409 case 'Y': system++; break;
2410 case 'O': orphan++; break;
2411 }
2414 ps_list_add (ps.name,
2415 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
2416 &pse);
2417 } /* while(readdir) */
2418 closedir (proc);
2420 ps_submit_state ("running", running);
2421 ps_submit_state ("sleeping", sleeping);
2422 ps_submit_state ("zombies", zombies);
2423 ps_submit_state ("stopped", stopped);
2424 ps_submit_state ("detached", detached);
2425 ps_submit_state ("daemon", daemon);
2426 ps_submit_state ("system", system);
2427 ps_submit_state ("orphan", orphan);
2429 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2430 ps_submit_proc_list (ps_ptr);
2432 read_fork_rate();
2433 #endif /* KERNEL_SOLARIS */
2435 return (0);
2436 } /* int ps_read */
2438 void module_register (void)
2439 {
2440 plugin_register_complex_config ("processes", ps_config);
2441 plugin_register_init ("processes", ps_init);
2442 plugin_register_read ("processes", ps_read);
2443 } /* void module_register */