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_list_t vl = VALUE_LIST_INIT;
665 vl.values = &(value_t) { .gauge = value };
666 vl.values_len = 1;
667 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
668 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
669 sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
670 sstrncpy (vl.type, "ps_state", sizeof (vl.type));
671 sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
673 plugin_dispatch_values (&vl);
674 }
676 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
677 static void ps_submit_proc_list (procstat_t *ps)
678 {
679 value_t values[2];
680 value_list_t vl = VALUE_LIST_INIT;
682 vl.values = values;
683 vl.values_len = 2;
684 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
685 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
686 sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
688 sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
689 vl.values[0].gauge = ps->vmem_size;
690 vl.values_len = 1;
691 plugin_dispatch_values (&vl);
693 sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
694 vl.values[0].gauge = ps->vmem_rss;
695 vl.values_len = 1;
696 plugin_dispatch_values (&vl);
698 sstrncpy (vl.type, "ps_data", sizeof (vl.type));
699 vl.values[0].gauge = ps->vmem_data;
700 vl.values_len = 1;
701 plugin_dispatch_values (&vl);
703 sstrncpy (vl.type, "ps_code", sizeof (vl.type));
704 vl.values[0].gauge = ps->vmem_code;
705 vl.values_len = 1;
706 plugin_dispatch_values (&vl);
708 sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
709 vl.values[0].gauge = ps->stack_size;
710 vl.values_len = 1;
711 plugin_dispatch_values (&vl);
713 sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
714 vl.values[0].derive = ps->cpu_user_counter;
715 vl.values[1].derive = ps->cpu_system_counter;
716 vl.values_len = 2;
717 plugin_dispatch_values (&vl);
719 sstrncpy (vl.type, "ps_count", sizeof (vl.type));
720 vl.values[0].gauge = ps->num_proc;
721 vl.values[1].gauge = ps->num_lwp;
722 vl.values_len = 2;
723 plugin_dispatch_values (&vl);
725 sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
726 vl.values[0].derive = ps->vmem_minflt_counter;
727 vl.values[1].derive = ps->vmem_majflt_counter;
728 vl.values_len = 2;
729 plugin_dispatch_values (&vl);
731 if ( (ps->io_rchar != -1) && (ps->io_wchar != -1) )
732 {
733 sstrncpy (vl.type, "ps_disk_octets", sizeof (vl.type));
734 vl.values[0].derive = ps->io_rchar;
735 vl.values[1].derive = ps->io_wchar;
736 vl.values_len = 2;
737 plugin_dispatch_values (&vl);
738 }
740 if ( (ps->io_syscr != -1) && (ps->io_syscw != -1) )
741 {
742 sstrncpy (vl.type, "ps_disk_ops", sizeof (vl.type));
743 vl.values[0].derive = ps->io_syscr;
744 vl.values[1].derive = ps->io_syscw;
745 vl.values_len = 2;
746 plugin_dispatch_values (&vl);
747 }
749 if ( report_ctx_switch )
750 {
751 sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
752 sstrncpy (vl.type_instance, "voluntary", sizeof (vl.type_instance));
753 vl.values[0].derive = ps->cswitch_vol;
754 vl.values_len = 1;
755 plugin_dispatch_values (&vl);
757 sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
758 sstrncpy (vl.type_instance, "involuntary", sizeof (vl.type_instance));
759 vl.values[0].derive = ps->cswitch_invol;
760 vl.values_len = 1;
761 plugin_dispatch_values (&vl);
762 }
764 DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
765 "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
766 "vmem_code = %lu; "
767 "vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
768 "cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
769 "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
770 "io_syscr = %"PRIi64"; io_syscw = %"PRIi64"; "
771 "cswitch_vol = %"PRIi64"; cswitch_invol = %"PRIi64";",
772 ps->name, ps->num_proc, ps->num_lwp,
773 ps->vmem_size, ps->vmem_rss,
774 ps->vmem_data, ps->vmem_code,
775 ps->vmem_minflt_counter, ps->vmem_majflt_counter,
776 ps->cpu_user_counter, ps->cpu_system_counter,
777 ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw,
778 ps->cswitch_vol, ps->cswitch_invol);
779 } /* void ps_submit_proc_list */
781 #if KERNEL_LINUX || KERNEL_SOLARIS
782 static void ps_submit_fork_rate (derive_t value)
783 {
784 value_list_t vl = VALUE_LIST_INIT;
786 vl.values = &(value_t) { .derive = value };
787 vl.values_len = 1;
788 sstrncpy(vl.host, hostname_g, sizeof (vl.host));
789 sstrncpy(vl.plugin, "processes", sizeof (vl.plugin));
790 sstrncpy(vl.plugin_instance, "", sizeof (vl.plugin_instance));
791 sstrncpy(vl.type, "fork_rate", sizeof (vl.type));
792 sstrncpy(vl.type_instance, "", sizeof (vl.type_instance));
794 plugin_dispatch_values(&vl);
795 }
796 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
798 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
799 #if KERNEL_LINUX
800 static procstat_t *ps_read_tasks_status (long pid, procstat_t *ps)
801 {
802 char dirname[64];
803 DIR *dh;
804 char filename[64];
805 FILE *fh;
806 struct dirent *ent;
807 derive_t cswitch_vol = 0;
808 derive_t cswitch_invol = 0;
809 char buffer[1024];
810 char *fields[8];
811 int numfields;
813 ssnprintf (dirname, sizeof (dirname), "/proc/%li/task", pid);
815 if ((dh = opendir (dirname)) == NULL)
816 {
817 DEBUG ("Failed to open directory `%s'", dirname);
818 return (NULL);
819 }
821 while ((ent = readdir (dh)) != NULL)
822 {
823 char *tpid;
825 if (!isdigit ((int) ent->d_name[0]))
826 continue;
828 tpid = ent->d_name;
830 ssnprintf (filename, sizeof (filename), "/proc/%li/task/%s/status", pid, tpid);
831 if ((fh = fopen (filename, "r")) == NULL)
832 {
833 DEBUG ("Failed to open file `%s'", filename);
834 continue;
835 }
837 while (fgets (buffer, sizeof(buffer), fh) != NULL)
838 {
839 derive_t tmp;
840 char *endptr;
842 if (strncmp (buffer, "voluntary_ctxt_switches", 23) != 0
843 && strncmp (buffer, "nonvoluntary_ctxt_switches", 26) != 0)
844 continue;
846 numfields = strsplit (buffer, fields,
847 STATIC_ARRAY_SIZE (fields));
849 if (numfields < 2)
850 continue;
852 errno = 0;
853 endptr = NULL;
854 tmp = (derive_t) strtoll (fields[1], &endptr, /* base = */ 10);
855 if ((errno == 0) && (endptr != fields[1]))
856 {
857 if (strncmp (buffer, "voluntary_ctxt_switches", 23) == 0)
858 {
859 cswitch_vol += tmp;
860 }
861 else if (strncmp (buffer, "nonvoluntary_ctxt_switches", 26) == 0)
862 {
863 cswitch_invol += tmp;
864 }
865 }
866 } /* while (fgets) */
868 if (fclose (fh))
869 {
870 char errbuf[1024];
871 WARNING ("processes: fclose: %s",
872 sstrerror (errno, errbuf, sizeof (errbuf)));
873 }
874 }
875 closedir (dh);
877 ps->cswitch_vol = cswitch_vol;
878 ps->cswitch_invol = cswitch_invol;
880 return (ps);
881 } /* int *ps_read_tasks_status */
883 /* Read data from /proc/pid/status */
884 static procstat_t *ps_read_status (long pid, procstat_t *ps)
885 {
886 FILE *fh;
887 char buffer[1024];
888 char filename[64];
889 unsigned long lib = 0;
890 unsigned long exe = 0;
891 unsigned long data = 0;
892 unsigned long threads = 0;
893 char *fields[8];
894 int numfields;
896 ssnprintf (filename, sizeof (filename), "/proc/%li/status", pid);
897 if ((fh = fopen (filename, "r")) == NULL)
898 return (NULL);
900 while (fgets (buffer, sizeof(buffer), fh) != NULL)
901 {
902 unsigned long tmp;
903 char *endptr;
905 if (strncmp (buffer, "Vm", 2) != 0
906 && strncmp (buffer, "Threads", 7) != 0)
907 continue;
909 numfields = strsplit (buffer, fields,
910 STATIC_ARRAY_SIZE (fields));
912 if (numfields < 2)
913 continue;
915 errno = 0;
916 endptr = NULL;
917 tmp = strtoul (fields[1], &endptr, /* base = */ 10);
918 if ((errno == 0) && (endptr != fields[1]))
919 {
920 if (strncmp (buffer, "VmData", 6) == 0)
921 {
922 data = tmp;
923 }
924 else if (strncmp (buffer, "VmLib", 5) == 0)
925 {
926 lib = tmp;
927 }
928 else if (strncmp(buffer, "VmExe", 5) == 0)
929 {
930 exe = tmp;
931 }
932 else if (strncmp(buffer, "Threads", 7) == 0)
933 {
934 threads = tmp;
935 }
936 }
937 } /* while (fgets) */
939 if (fclose (fh))
940 {
941 char errbuf[1024];
942 WARNING ("processes: fclose: %s",
943 sstrerror (errno, errbuf, sizeof (errbuf)));
944 }
946 ps->vmem_data = data * 1024;
947 ps->vmem_code = (exe + lib) * 1024;
948 if (threads != 0)
949 ps->num_lwp = threads;
951 return (ps);
952 } /* procstat_t *ps_read_vmem */
954 static procstat_t *ps_read_io (long pid, procstat_t *ps)
955 {
956 FILE *fh;
957 char buffer[1024];
958 char filename[64];
960 char *fields[8];
961 int numfields;
963 ssnprintf (filename, sizeof (filename), "/proc/%li/io", pid);
964 if ((fh = fopen (filename, "r")) == NULL)
965 return (NULL);
967 while (fgets (buffer, sizeof (buffer), fh) != NULL)
968 {
969 derive_t *val = NULL;
970 long long tmp;
971 char *endptr;
973 if (strncasecmp (buffer, "rchar:", 6) == 0)
974 val = &(ps->io_rchar);
975 else if (strncasecmp (buffer, "wchar:", 6) == 0)
976 val = &(ps->io_wchar);
977 else if (strncasecmp (buffer, "syscr:", 6) == 0)
978 val = &(ps->io_syscr);
979 else if (strncasecmp (buffer, "syscw:", 6) == 0)
980 val = &(ps->io_syscw);
981 else
982 continue;
984 numfields = strsplit (buffer, fields,
985 STATIC_ARRAY_SIZE (fields));
987 if (numfields < 2)
988 continue;
990 errno = 0;
991 endptr = NULL;
992 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
993 if ((errno != 0) || (endptr == fields[1]))
994 *val = -1;
995 else
996 *val = (derive_t) tmp;
997 } /* while (fgets) */
999 if (fclose (fh))
1000 {
1001 char errbuf[1024];
1002 WARNING ("processes: fclose: %s",
1003 sstrerror (errno, errbuf, sizeof (errbuf)));
1004 }
1006 return (ps);
1007 } /* procstat_t *ps_read_io */
1009 static int ps_read_process (long pid, procstat_t *ps, char *state)
1010 {
1011 char filename[64];
1012 char buffer[1024];
1014 char *fields[64];
1015 char fields_len;
1017 size_t buffer_len;
1019 char *buffer_ptr;
1020 size_t name_start_pos;
1021 size_t name_end_pos;
1022 size_t name_len;
1024 derive_t cpu_user_counter;
1025 derive_t cpu_system_counter;
1026 long long unsigned vmem_size;
1027 long long unsigned vmem_rss;
1028 long long unsigned stack_size;
1030 ssize_t status;
1032 memset (ps, 0, sizeof (procstat_t));
1034 ssnprintf (filename, sizeof (filename), "/proc/%li/stat", pid);
1036 status = read_file_contents (filename, buffer, sizeof(buffer) - 1);
1037 if (status <= 0)
1038 return (-1);
1039 buffer_len = (size_t) status;
1040 buffer[buffer_len] = 0;
1042 /* The name of the process is enclosed in parens. Since the name can
1043 * contain parens itself, spaces, numbers and pretty much everything
1044 * else, use these to determine the process name. We don't use
1045 * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
1046 * otherwise be required to determine name_len. */
1047 name_start_pos = 0;
1048 while (name_start_pos < buffer_len && buffer[name_start_pos] != '(')
1049 name_start_pos++;
1051 name_end_pos = buffer_len;
1052 while (name_end_pos > 0 && buffer[name_end_pos] != ')')
1053 name_end_pos--;
1055 /* Either '(' or ')' is not found or they are in the wrong order.
1056 * Anyway, something weird that shouldn't happen ever. */
1057 if (name_start_pos >= name_end_pos)
1058 {
1059 ERROR ("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
1060 name_start_pos, name_end_pos);
1061 return (-1);
1062 }
1064 name_len = (name_end_pos - name_start_pos) - 1;
1065 if (name_len >= sizeof (ps->name))
1066 name_len = sizeof (ps->name) - 1;
1068 sstrncpy (ps->name, &buffer[name_start_pos + 1], name_len + 1);
1070 if ((buffer_len - name_end_pos) < 2)
1071 return (-1);
1072 buffer_ptr = &buffer[name_end_pos + 2];
1074 fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
1075 if (fields_len < 22)
1076 {
1077 DEBUG ("processes plugin: ps_read_process (pid = %li):"
1078 " `%s' has only %i fields..",
1079 pid, filename, fields_len);
1080 return (-1);
1081 }
1083 *state = fields[0][0];
1085 if (*state == 'Z')
1086 {
1087 ps->num_lwp = 0;
1088 ps->num_proc = 0;
1089 }
1090 else
1091 {
1092 ps->num_lwp = strtoul (fields[17], /* endptr = */ NULL, /* base = */ 10);
1093 if ((ps_read_status(pid, ps)) == NULL)
1094 {
1095 /* No VMem data */
1096 ps->vmem_data = -1;
1097 ps->vmem_code = -1;
1098 DEBUG("ps_read_process: did not get vmem data for pid %li", pid);
1099 }
1100 if (ps->num_lwp == 0)
1101 ps->num_lwp = 1;
1102 ps->num_proc = 1;
1103 }
1105 /* Leave the rest at zero if this is only a zombi */
1106 if (ps->num_proc == 0)
1107 {
1108 DEBUG ("processes plugin: This is only a zombie: pid = %li; "
1109 "name = %s;", pid, ps->name);
1110 return (0);
1111 }
1113 cpu_user_counter = atoll (fields[11]);
1114 cpu_system_counter = atoll (fields[12]);
1115 vmem_size = atoll (fields[20]);
1116 vmem_rss = atoll (fields[21]);
1117 ps->vmem_minflt_counter = atol (fields[7]);
1118 ps->vmem_majflt_counter = atol (fields[9]);
1120 {
1121 unsigned long long stack_start = atoll (fields[25]);
1122 unsigned long long stack_ptr = atoll (fields[26]);
1124 stack_size = (stack_start > stack_ptr)
1125 ? stack_start - stack_ptr
1126 : stack_ptr - stack_start;
1127 }
1129 /* Convert jiffies to useconds */
1130 cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
1131 cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1132 vmem_rss = vmem_rss * pagesize_g;
1134 ps->cpu_user_counter = cpu_user_counter;
1135 ps->cpu_system_counter = cpu_system_counter;
1136 ps->vmem_size = (unsigned long) vmem_size;
1137 ps->vmem_rss = (unsigned long) vmem_rss;
1138 ps->stack_size = (unsigned long) stack_size;
1140 if ( (ps_read_io (pid, ps)) == NULL)
1141 {
1142 /* no io data */
1143 ps->io_rchar = -1;
1144 ps->io_wchar = -1;
1145 ps->io_syscr = -1;
1146 ps->io_syscw = -1;
1148 DEBUG("ps_read_process: not get io data for pid %li", pid);
1149 }
1151 if ( report_ctx_switch )
1152 {
1153 if ( (ps_read_tasks_status(pid, ps)) == NULL)
1154 {
1155 ps->cswitch_vol = -1;
1156 ps->cswitch_invol = -1;
1158 DEBUG("ps_read_tasks_status: not get context "
1159 "switch data for pid %li", pid);
1160 }
1161 }
1163 /* success */
1164 return (0);
1165 } /* int ps_read_process (...) */
1167 static char *ps_get_cmdline (long pid, char *name, char *buf, size_t buf_len)
1168 {
1169 char *buf_ptr;
1170 size_t len;
1172 char file[PATH_MAX];
1173 int fd;
1175 size_t n;
1177 if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1178 return NULL;
1180 ssnprintf (file, sizeof (file), "/proc/%li/cmdline", pid);
1182 errno = 0;
1183 fd = open (file, O_RDONLY);
1184 if (fd < 0) {
1185 char errbuf[4096];
1186 /* ENOENT means the process exited while we were handling it.
1187 * Don't complain about this, it only fills the logs. */
1188 if (errno != ENOENT)
1189 WARNING ("processes plugin: Failed to open `%s': %s.", file,
1190 sstrerror (errno, errbuf, sizeof (errbuf)));
1191 return NULL;
1192 }
1194 buf_ptr = buf;
1195 len = buf_len;
1197 n = 0;
1199 while (42) {
1200 ssize_t status;
1202 status = read (fd, (void *)buf_ptr, len);
1204 if (status < 0) {
1205 char errbuf[1024];
1207 if ((EAGAIN == errno) || (EINTR == errno))
1208 continue;
1210 WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1211 sstrerror (errno, errbuf, sizeof (errbuf)));
1212 close (fd);
1213 return NULL;
1214 }
1216 n += status;
1218 if (status == 0)
1219 break;
1221 buf_ptr += status;
1222 len -= status;
1224 if (len == 0)
1225 break;
1226 }
1228 close (fd);
1230 if (0 == n) {
1231 /* cmdline not available; e.g. kernel thread, zombie */
1232 if (NULL == name)
1233 return NULL;
1235 ssnprintf (buf, buf_len, "[%s]", name);
1236 return buf;
1237 }
1239 assert (n <= buf_len);
1241 if (n == buf_len)
1242 --n;
1243 buf[n] = '\0';
1245 --n;
1246 /* remove trailing whitespace */
1247 while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1248 buf[n] = '\0';
1249 --n;
1250 }
1252 /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1253 while (n > 0) {
1254 if ('\0' == buf[n])
1255 buf[n] = ' ';
1256 --n;
1257 }
1258 return buf;
1259 } /* char *ps_get_cmdline (...) */
1261 static int read_fork_rate (void)
1262 {
1263 FILE *proc_stat;
1264 char buffer[1024];
1265 value_t value;
1266 _Bool value_valid = 0;
1268 proc_stat = fopen ("/proc/stat", "r");
1269 if (proc_stat == NULL)
1270 {
1271 char errbuf[1024];
1272 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1273 sstrerror (errno, errbuf, sizeof (errbuf)));
1274 return (-1);
1275 }
1277 while (fgets (buffer, sizeof (buffer), proc_stat) != NULL)
1278 {
1279 int status;
1280 char *fields[3];
1281 int fields_num;
1283 fields_num = strsplit (buffer, fields,
1284 STATIC_ARRAY_SIZE (fields));
1285 if (fields_num != 2)
1286 continue;
1288 if (strcmp ("processes", fields[0]) != 0)
1289 continue;
1291 status = parse_value (fields[1], &value, DS_TYPE_DERIVE);
1292 if (status == 0)
1293 value_valid = 1;
1295 break;
1296 }
1297 fclose(proc_stat);
1299 if (!value_valid)
1300 return (-1);
1302 ps_submit_fork_rate (value.derive);
1303 return (0);
1304 }
1305 #endif /*KERNEL_LINUX */
1307 #if KERNEL_SOLARIS
1308 static char *ps_get_cmdline (long pid, char *name __attribute__((unused)), /* {{{ */
1309 char *buffer, size_t buffer_size)
1310 {
1311 char path[PATH_MAX];
1312 psinfo_t info;
1313 ssize_t status;
1315 snprintf(path, sizeof (path), "/proc/%li/psinfo", pid);
1317 status = read_file_contents (path, (void *) &info, sizeof (info));
1318 if ((status < 0) || (((size_t) status) != sizeof (info)))
1319 {
1320 ERROR ("processes plugin: Unexpected return value "
1321 "while reading \"%s\": "
1322 "Returned %zd but expected %zu.",
1323 path, status, buffer_size);
1324 return (NULL);
1325 }
1327 info.pr_psargs[sizeof (info.pr_psargs) - 1] = 0;
1328 sstrncpy (buffer, info.pr_psargs, buffer_size);
1330 return (buffer);
1331 } /* }}} int ps_get_cmdline */
1333 /*
1334 * Reads process information on the Solaris OS. The information comes mainly from
1335 * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1336 * The values for input and ouput chars are calculated "by hand"
1337 * Added a few "solaris" specific process states as well
1338 */
1339 static int ps_read_process(long pid, procstat_t *ps, char *state)
1340 {
1341 char filename[64];
1342 char f_psinfo[64], f_usage[64];
1343 char *buffer;
1345 pstatus_t *myStatus;
1346 psinfo_t *myInfo;
1347 prusage_t *myUsage;
1349 snprintf(filename, sizeof (filename), "/proc/%li/status", pid);
1350 snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%li/psinfo", pid);
1351 snprintf(f_usage, sizeof (f_usage), "/proc/%li/usage", pid);
1354 buffer = calloc(1, sizeof (pstatus_t));
1355 read_file_contents(filename, buffer, sizeof (pstatus_t));
1356 myStatus = (pstatus_t *) buffer;
1358 buffer = calloc(1, sizeof (psinfo_t));
1359 read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1360 myInfo = (psinfo_t *) buffer;
1362 buffer = calloc(1, sizeof (prusage_t));
1363 read_file_contents(f_usage, buffer, sizeof (prusage_t));
1364 myUsage = (prusage_t *) buffer;
1366 sstrncpy(ps->name, myInfo->pr_fname, sizeof (myInfo->pr_fname));
1367 ps->num_lwp = myStatus->pr_nlwp;
1368 if (myInfo->pr_wstat != 0) {
1369 ps->num_proc = 0;
1370 ps->num_lwp = 0;
1371 *state = (char) 'Z';
1373 sfree(myStatus);
1374 sfree(myInfo);
1375 sfree(myUsage);
1376 return (0);
1377 } else {
1378 ps->num_proc = 1;
1379 ps->num_lwp = myInfo->pr_nlwp;
1380 }
1382 /*
1383 * Convert system time and user time from nanoseconds to microseconds
1384 * for compatibility with the linux module
1385 */
1386 ps->cpu_system_counter = myStatus -> pr_stime.tv_nsec / 1000;
1387 ps->cpu_user_counter = myStatus -> pr_utime.tv_nsec / 1000;
1389 /*
1390 * Convert rssize from KB to bytes to be consistent w/ the linux module
1391 */
1392 ps->vmem_rss = myInfo->pr_rssize * 1024;
1393 ps->vmem_size = myInfo->pr_size * 1024;
1394 ps->vmem_minflt_counter = myUsage->pr_minf;
1395 ps->vmem_majflt_counter = myUsage->pr_majf;
1397 /*
1398 * TODO: Data and code segment calculations for Solaris
1399 */
1401 ps->vmem_data = -1;
1402 ps->vmem_code = -1;
1403 ps->stack_size = myStatus->pr_stksize;
1405 /*
1406 * Calculating input/ouput chars
1407 * Formula used is total chars / total blocks => chars/block
1408 * then convert input/output blocks to chars
1409 */
1410 ulong_t tot_chars = myUsage->pr_ioch;
1411 ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1412 ulong_t chars_per_block = 1;
1413 if (tot_blocks != 0)
1414 chars_per_block = tot_chars / tot_blocks;
1415 ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1416 ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1417 ps->io_syscr = myUsage->pr_sysc;
1418 ps->io_syscw = myUsage->pr_sysc;
1420 /*
1421 * TODO: context switch counters for Solaris
1422 */
1423 ps->cswitch_vol = -1;
1424 ps->cswitch_invol = -1;
1427 /*
1428 * TODO: Find way of setting BLOCKED and PAGING status
1429 */
1431 *state = (char) 'R';
1432 if (myStatus->pr_flags & PR_ASLEEP)
1433 *state = (char) 'S';
1434 else if (myStatus->pr_flags & PR_STOPPED)
1435 *state = (char) 'T';
1436 else if (myStatus->pr_flags & PR_DETACH)
1437 *state = (char) 'E';
1438 else if (myStatus->pr_flags & PR_DAEMON)
1439 *state = (char) 'A';
1440 else if (myStatus->pr_flags & PR_ISSYS)
1441 *state = (char) 'Y';
1442 else if (myStatus->pr_flags & PR_ORPHAN)
1443 *state = (char) 'O';
1445 sfree(myStatus);
1446 sfree(myInfo);
1447 sfree(myUsage);
1449 return (0);
1450 }
1452 /*
1453 * Reads the number of threads created since the last reboot. On Solaris these
1454 * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1455 * The result is the sum for all the threads created on each cpu
1456 */
1457 static int read_fork_rate (void)
1458 {
1459 extern kstat_ctl_t *kc;
1460 derive_t result = 0;
1462 if (kc == NULL)
1463 return (-1);
1465 for (kstat_t *ksp_chain = kc->kc_chain;
1466 ksp_chain != NULL;
1467 ksp_chain = ksp_chain->ks_next)
1468 {
1469 if ((strcmp (ksp_chain->ks_module, "cpu") == 0)
1470 && (strcmp (ksp_chain->ks_name, "sys") == 0)
1471 && (strcmp (ksp_chain->ks_class, "misc") == 0))
1472 {
1473 long long tmp;
1475 kstat_read (kc, ksp_chain, NULL);
1477 tmp = get_kstat_value(ksp_chain, "nthreads");
1478 if (tmp != -1LL)
1479 result += tmp;
1480 }
1481 }
1483 ps_submit_fork_rate (result);
1484 return (0);
1485 }
1486 #endif /* KERNEL_SOLARIS */
1488 #if HAVE_THREAD_INFO
1489 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1490 {
1491 int mib[4];
1493 struct kinfo_proc kp;
1494 size_t kp_size;
1496 mib[0] = CTL_KERN;
1497 mib[1] = KERN_PROC;
1498 mib[2] = KERN_PROC_PID;
1500 if (pid_for_task (t, pid) != KERN_SUCCESS)
1501 return (-1);
1502 mib[3] = *pid;
1504 kp_size = sizeof (kp);
1505 if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1506 return (-1);
1508 if (name_max_len > (MAXCOMLEN + 1))
1509 name_max_len = MAXCOMLEN + 1;
1511 strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1512 name[name_max_len - 1] = '\0';
1514 DEBUG ("pid = %i; name = %s;", *pid, name);
1516 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1517 * `top' does it, because it is a lot of work and only used when
1518 * debugging. -octo */
1520 return (0);
1521 }
1522 #endif /* HAVE_THREAD_INFO */
1523 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1525 /* do actual readings from kernel */
1526 static int ps_read (void)
1527 {
1528 #if HAVE_THREAD_INFO
1529 kern_return_t status;
1531 processor_set_t port_pset_priv;
1533 task_array_t task_list;
1534 mach_msg_type_number_t task_list_len;
1536 int task_pid;
1537 char task_name[MAXCOMLEN + 1];
1539 thread_act_array_t thread_list;
1540 mach_msg_type_number_t thread_list_len;
1541 thread_basic_info_data_t thread_data;
1542 mach_msg_type_number_t thread_data_len;
1544 int running = 0;
1545 int sleeping = 0;
1546 int zombies = 0;
1547 int stopped = 0;
1548 int blocked = 0;
1550 procstat_t *ps;
1551 procstat_entry_t pse;
1553 ps_list_reset ();
1555 /*
1556 * The Mach-concept is a little different from the traditional UNIX
1557 * concept: All the work is done in threads. Threads are contained in
1558 * `tasks'. Therefore, `task status' doesn't make much sense, since
1559 * it's actually a `thread status'.
1560 * Tasks are assigned to sets of processors, so that's where you go to
1561 * get a list.
1562 */
1563 for (mach_msg_type_number_t pset = 0; pset < pset_list_len; pset++)
1564 {
1565 if ((status = host_processor_set_priv (port_host_self,
1566 pset_list[pset],
1567 &port_pset_priv)) != KERN_SUCCESS)
1568 {
1569 ERROR ("host_processor_set_priv failed: %s\n",
1570 mach_error_string (status));
1571 continue;
1572 }
1574 if ((status = processor_set_tasks (port_pset_priv,
1575 &task_list,
1576 &task_list_len)) != KERN_SUCCESS)
1577 {
1578 ERROR ("processor_set_tasks failed: %s\n",
1579 mach_error_string (status));
1580 mach_port_deallocate (port_task_self, port_pset_priv);
1581 continue;
1582 }
1584 for (mach_msg_type_number_t task = 0; task < task_list_len; task++)
1585 {
1586 ps = NULL;
1587 if (mach_get_task_name (task_list[task],
1588 &task_pid,
1589 task_name, PROCSTAT_NAME_LEN) == 0)
1590 {
1591 /* search for at least one match */
1592 for (ps = list_head_g; ps != NULL; ps = ps->next)
1593 /* FIXME: cmdline should be here instead of NULL */
1594 if (ps_list_match (task_name, NULL, ps) == 1)
1595 break;
1596 }
1598 /* Collect more detailed statistics for this process */
1599 if (ps != NULL)
1600 {
1601 task_basic_info_data_t task_basic_info;
1602 mach_msg_type_number_t task_basic_info_len;
1603 task_events_info_data_t task_events_info;
1604 mach_msg_type_number_t task_events_info_len;
1605 task_absolutetime_info_data_t task_absolutetime_info;
1606 mach_msg_type_number_t task_absolutetime_info_len;
1608 memset (&pse, '\0', sizeof (pse));
1609 pse.id = task_pid;
1611 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1612 status = task_info (task_list[task],
1613 TASK_BASIC_INFO,
1614 (task_info_t) &task_basic_info,
1615 &task_basic_info_len);
1616 if (status != KERN_SUCCESS)
1617 {
1618 ERROR ("task_info failed: %s",
1619 mach_error_string (status));
1620 continue; /* with next thread_list */
1621 }
1623 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1624 status = task_info (task_list[task],
1625 TASK_EVENTS_INFO,
1626 (task_info_t) &task_events_info,
1627 &task_events_info_len);
1628 if (status != KERN_SUCCESS)
1629 {
1630 ERROR ("task_info failed: %s",
1631 mach_error_string (status));
1632 continue; /* with next thread_list */
1633 }
1635 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1636 status = task_info (task_list[task],
1637 TASK_ABSOLUTETIME_INFO,
1638 (task_info_t) &task_absolutetime_info,
1639 &task_absolutetime_info_len);
1640 if (status != KERN_SUCCESS)
1641 {
1642 ERROR ("task_info failed: %s",
1643 mach_error_string (status));
1644 continue; /* with next thread_list */
1645 }
1647 pse.num_proc++;
1648 pse.vmem_size = task_basic_info.virtual_size;
1649 pse.vmem_rss = task_basic_info.resident_size;
1650 /* Does not seem to be easily exposed */
1651 pse.vmem_data = 0;
1652 pse.vmem_code = 0;
1654 pse.vmem_minflt_counter = task_events_info.cow_faults;
1655 pse.vmem_majflt_counter = task_events_info.faults;
1657 pse.cpu_user_counter = task_absolutetime_info.total_user;
1658 pse.cpu_system_counter = task_absolutetime_info.total_system;
1660 /* context switch counters not implemented */
1661 pse.cswitch_vol = -1;
1662 pse.cswitch_invol = -1;
1663 }
1665 status = task_threads (task_list[task], &thread_list,
1666 &thread_list_len);
1667 if (status != KERN_SUCCESS)
1668 {
1669 /* Apple's `top' treats this case a zombie. It
1670 * makes sense to some extend: A `zombie'
1671 * thread is nonsense, since the task/process
1672 * is dead. */
1673 zombies++;
1674 DEBUG ("task_threads failed: %s",
1675 mach_error_string (status));
1676 if (task_list[task] != port_task_self)
1677 mach_port_deallocate (port_task_self,
1678 task_list[task]);
1679 continue; /* with next task_list */
1680 }
1682 for (mach_msg_type_number_t thread = 0; thread < thread_list_len; thread++)
1683 {
1684 thread_data_len = THREAD_BASIC_INFO_COUNT;
1685 status = thread_info (thread_list[thread],
1686 THREAD_BASIC_INFO,
1687 (thread_info_t) &thread_data,
1688 &thread_data_len);
1689 if (status != KERN_SUCCESS)
1690 {
1691 ERROR ("thread_info failed: %s",
1692 mach_error_string (status));
1693 if (task_list[task] != port_task_self)
1694 mach_port_deallocate (port_task_self,
1695 thread_list[thread]);
1696 continue; /* with next thread_list */
1697 }
1699 if (ps != NULL)
1700 pse.num_lwp++;
1702 switch (thread_data.run_state)
1703 {
1704 case TH_STATE_RUNNING:
1705 running++;
1706 break;
1707 case TH_STATE_STOPPED:
1708 /* What exactly is `halted'? */
1709 case TH_STATE_HALTED:
1710 stopped++;
1711 break;
1712 case TH_STATE_WAITING:
1713 sleeping++;
1714 break;
1715 case TH_STATE_UNINTERRUPTIBLE:
1716 blocked++;
1717 break;
1718 /* There is no `zombie' case here,
1719 * since there are no zombie-threads.
1720 * There's only zombie tasks, which are
1721 * handled above. */
1722 default:
1723 WARNING ("Unknown thread status: %i",
1724 thread_data.run_state);
1725 break;
1726 } /* switch (thread_data.run_state) */
1728 if (task_list[task] != port_task_self)
1729 {
1730 status = mach_port_deallocate (port_task_self,
1731 thread_list[thread]);
1732 if (status != KERN_SUCCESS)
1733 ERROR ("mach_port_deallocate failed: %s",
1734 mach_error_string (status));
1735 }
1736 } /* for (thread_list) */
1738 if ((status = vm_deallocate (port_task_self,
1739 (vm_address_t) thread_list,
1740 thread_list_len * sizeof (thread_act_t)))
1741 != KERN_SUCCESS)
1742 {
1743 ERROR ("vm_deallocate failed: %s",
1744 mach_error_string (status));
1745 }
1746 thread_list = NULL;
1747 thread_list_len = 0;
1749 /* Only deallocate the task port, if it isn't our own.
1750 * Don't know what would happen in that case, but this
1751 * is what Apple's top does.. ;) */
1752 if (task_list[task] != port_task_self)
1753 {
1754 status = mach_port_deallocate (port_task_self,
1755 task_list[task]);
1756 if (status != KERN_SUCCESS)
1757 ERROR ("mach_port_deallocate failed: %s",
1758 mach_error_string (status));
1759 }
1761 if (ps != NULL)
1762 /* FIXME: cmdline should be here instead of NULL */
1763 ps_list_add (task_name, NULL, &pse);
1764 } /* for (task_list) */
1766 if ((status = vm_deallocate (port_task_self,
1767 (vm_address_t) task_list,
1768 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1769 {
1770 ERROR ("vm_deallocate failed: %s",
1771 mach_error_string (status));
1772 }
1773 task_list = NULL;
1774 task_list_len = 0;
1776 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1777 != KERN_SUCCESS)
1778 {
1779 ERROR ("mach_port_deallocate failed: %s",
1780 mach_error_string (status));
1781 }
1782 } /* for (pset_list) */
1784 ps_submit_state ("running", running);
1785 ps_submit_state ("sleeping", sleeping);
1786 ps_submit_state ("zombies", zombies);
1787 ps_submit_state ("stopped", stopped);
1788 ps_submit_state ("blocked", blocked);
1790 for (ps = list_head_g; ps != NULL; ps = ps->next)
1791 ps_submit_proc_list (ps);
1792 /* #endif HAVE_THREAD_INFO */
1794 #elif KERNEL_LINUX
1795 int running = 0;
1796 int sleeping = 0;
1797 int zombies = 0;
1798 int stopped = 0;
1799 int paging = 0;
1800 int blocked = 0;
1802 struct dirent *ent;
1803 DIR *proc;
1804 long pid;
1806 char cmdline[CMDLINE_BUFFER_SIZE];
1808 int status;
1809 procstat_t ps;
1810 procstat_entry_t pse;
1811 char state;
1813 running = sleeping = zombies = stopped = paging = blocked = 0;
1814 ps_list_reset ();
1816 if ((proc = opendir ("/proc")) == NULL)
1817 {
1818 char errbuf[1024];
1819 ERROR ("Cannot open `/proc': %s",
1820 sstrerror (errno, errbuf, sizeof (errbuf)));
1821 return (-1);
1822 }
1824 while ((ent = readdir (proc)) != NULL)
1825 {
1826 if (!isdigit (ent->d_name[0]))
1827 continue;
1829 if ((pid = atol (ent->d_name)) < 1)
1830 continue;
1832 status = ps_read_process (pid, &ps, &state);
1833 if (status != 0)
1834 {
1835 DEBUG ("ps_read_process failed: %i", status);
1836 continue;
1837 }
1839 memset (&pse, 0, sizeof (pse));
1840 pse.id = pid;
1841 pse.age = 0;
1843 pse.num_proc = ps.num_proc;
1844 pse.num_lwp = ps.num_lwp;
1845 pse.vmem_size = ps.vmem_size;
1846 pse.vmem_rss = ps.vmem_rss;
1847 pse.vmem_data = ps.vmem_data;
1848 pse.vmem_code = ps.vmem_code;
1849 pse.stack_size = ps.stack_size;
1851 pse.vmem_minflt = 0;
1852 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1853 pse.vmem_majflt = 0;
1854 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1856 pse.cpu_user = 0;
1857 pse.cpu_user_counter = ps.cpu_user_counter;
1858 pse.cpu_system = 0;
1859 pse.cpu_system_counter = ps.cpu_system_counter;
1861 pse.io_rchar = ps.io_rchar;
1862 pse.io_wchar = ps.io_wchar;
1863 pse.io_syscr = ps.io_syscr;
1864 pse.io_syscw = ps.io_syscw;
1866 pse.cswitch_vol = ps.cswitch_vol;
1867 pse.cswitch_invol = ps.cswitch_invol;
1869 switch (state)
1870 {
1871 case 'R': running++; break;
1872 case 'S': sleeping++; break;
1873 case 'D': blocked++; break;
1874 case 'Z': zombies++; break;
1875 case 'T': stopped++; break;
1876 case 'W': paging++; break;
1877 }
1879 ps_list_add (ps.name,
1880 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1881 &pse);
1882 }
1884 closedir (proc);
1886 ps_submit_state ("running", running);
1887 ps_submit_state ("sleeping", sleeping);
1888 ps_submit_state ("zombies", zombies);
1889 ps_submit_state ("stopped", stopped);
1890 ps_submit_state ("paging", paging);
1891 ps_submit_state ("blocked", blocked);
1893 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1894 ps_submit_proc_list (ps_ptr);
1896 read_fork_rate();
1897 /* #endif KERNEL_LINUX */
1899 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1900 int running = 0;
1901 int sleeping = 0;
1902 int zombies = 0;
1903 int stopped = 0;
1904 int blocked = 0;
1905 int idle = 0;
1906 int wait = 0;
1908 kvm_t *kd;
1909 char errbuf[_POSIX2_LINE_MAX];
1910 struct kinfo_proc *procs; /* array of processes */
1911 struct kinfo_proc *proc_ptr = NULL;
1912 int count; /* returns number of processes */
1914 procstat_entry_t pse;
1916 ps_list_reset ();
1918 /* Open the kvm interface, get a descriptor */
1919 kd = kvm_openfiles (NULL, "/dev/null", NULL, 0, errbuf);
1920 if (kd == NULL)
1921 {
1922 ERROR ("processes plugin: Cannot open kvm interface: %s",
1923 errbuf);
1924 return (0);
1925 }
1927 /* Get the list of processes. */
1928 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1929 if (procs == NULL)
1930 {
1931 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1932 kvm_geterr(kd));
1933 kvm_close (kd);
1934 return (0);
1935 }
1937 /* Iterate through the processes in kinfo_proc */
1938 for (int i = 0; i < count; i++)
1939 {
1940 /* Create only one process list entry per _process_, i.e.
1941 * filter out threads (duplicate PID entries). */
1942 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1943 {
1944 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1945 _Bool have_cmdline = 0;
1947 proc_ptr = &(procs[i]);
1948 /* Don't probe system processes and processes without arguments */
1949 if (((procs[i].ki_flag & P_SYSTEM) == 0)
1950 && (procs[i].ki_args != NULL))
1951 {
1952 char **argv;
1953 int argc;
1954 int status;
1956 /* retrieve the arguments */
1957 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1958 argc = 0;
1959 if ((argv != NULL) && (argv[0] != NULL))
1960 {
1961 while (argv[argc] != NULL)
1962 argc++;
1964 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1965 if (status < 0)
1966 WARNING ("processes plugin: Command line did not fit into buffer.");
1967 else
1968 have_cmdline = 1;
1969 }
1970 } /* if (process has argument list) */
1972 pse.id = procs[i].ki_pid;
1973 pse.age = 0;
1975 pse.num_proc = 1;
1976 pse.num_lwp = procs[i].ki_numthreads;
1978 pse.vmem_size = procs[i].ki_size;
1979 pse.vmem_rss = procs[i].ki_rssize * pagesize;
1980 pse.vmem_data = procs[i].ki_dsize * pagesize;
1981 pse.vmem_code = procs[i].ki_tsize * pagesize;
1982 pse.stack_size = procs[i].ki_ssize * pagesize;
1983 pse.vmem_minflt = 0;
1984 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1985 pse.vmem_majflt = 0;
1986 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1988 pse.cpu_user = 0;
1989 pse.cpu_system = 0;
1990 pse.cpu_user_counter = 0;
1991 pse.cpu_system_counter = 0;
1992 /*
1993 * The u-area might be swapped out, and we can't get
1994 * at it because we have a crashdump and no swap.
1995 * If it's here fill in these fields, otherwise, just
1996 * leave them 0.
1997 */
1998 if (procs[i].ki_flag & P_INMEM)
1999 {
2000 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
2001 + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
2002 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
2003 + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
2004 }
2006 /* no I/O data */
2007 pse.io_rchar = -1;
2008 pse.io_wchar = -1;
2009 pse.io_syscr = -1;
2010 pse.io_syscw = -1;
2012 /* context switch counters not implemented */
2013 pse.cswitch_vol = -1;
2014 pse.cswitch_invol = -1;
2016 ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
2018 switch (procs[i].ki_stat)
2019 {
2020 case SSTOP: stopped++; break;
2021 case SSLEEP: sleeping++; break;
2022 case SRUN: running++; break;
2023 case SIDL: idle++; break;
2024 case SWAIT: wait++; break;
2025 case SLOCK: blocked++; break;
2026 case SZOMB: zombies++; break;
2027 }
2028 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
2029 }
2031 kvm_close(kd);
2033 ps_submit_state ("running", running);
2034 ps_submit_state ("sleeping", sleeping);
2035 ps_submit_state ("zombies", zombies);
2036 ps_submit_state ("stopped", stopped);
2037 ps_submit_state ("blocked", blocked);
2038 ps_submit_state ("idle", idle);
2039 ps_submit_state ("wait", wait);
2041 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2042 ps_submit_proc_list (ps_ptr);
2043 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
2045 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD
2046 int running = 0;
2047 int sleeping = 0;
2048 int zombies = 0;
2049 int stopped = 0;
2050 int onproc = 0;
2051 int idle = 0;
2052 int dead = 0;
2054 kvm_t *kd;
2055 char errbuf[1024];
2056 struct kinfo_proc *procs; /* array of processes */
2057 struct kinfo_proc *proc_ptr = NULL;
2058 int count; /* returns number of processes */
2060 procstat_entry_t pse;
2062 ps_list_reset ();
2064 /* Open the kvm interface, get a descriptor */
2065 kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
2066 if (kd == NULL)
2067 {
2068 ERROR ("processes plugin: Cannot open kvm interface: %s",
2069 errbuf);
2070 return (0);
2071 }
2073 /* Get the list of processes. */
2074 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
2075 if (procs == NULL)
2076 {
2077 ERROR ("processes plugin: Cannot get kvm processes list: %s",
2078 kvm_geterr(kd));
2079 kvm_close (kd);
2080 return (0);
2081 }
2083 /* Iterate through the processes in kinfo_proc */
2084 for (int i = 0; i < count; i++)
2085 {
2086 /* Create only one process list entry per _process_, i.e.
2087 * filter out threads (duplicate PID entries). */
2088 if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid))
2089 {
2090 char cmdline[CMDLINE_BUFFER_SIZE] = "";
2091 _Bool have_cmdline = 0;
2093 proc_ptr = &(procs[i]);
2094 /* Don't probe zombie processes */
2095 if (!P_ZOMBIE(proc_ptr))
2096 {
2097 char **argv;
2098 int argc;
2099 int status;
2101 /* retrieve the arguments */
2102 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
2103 argc = 0;
2104 if ((argv != NULL) && (argv[0] != NULL))
2105 {
2106 while (argv[argc] != NULL)
2107 argc++;
2109 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
2110 if (status < 0)
2111 WARNING ("processes plugin: Command line did not fit into buffer.");
2112 else
2113 have_cmdline = 1;
2114 }
2115 } /* if (process has argument list) */
2117 memset (&pse, 0, sizeof (pse));
2118 pse.id = procs[i].p_pid;
2119 pse.age = 0;
2121 pse.num_proc = 1;
2122 pse.num_lwp = 1; /* XXX: accumulate p_tid values for a single p_pid ? */
2124 pse.vmem_rss = procs[i].p_vm_rssize * pagesize;
2125 pse.vmem_data = procs[i].p_vm_dsize * pagesize;
2126 pse.vmem_code = procs[i].p_vm_tsize * pagesize;
2127 pse.stack_size = procs[i].p_vm_ssize * pagesize;
2128 pse.vmem_size = pse.stack_size + pse.vmem_code + pse.vmem_data;
2129 pse.vmem_minflt = 0;
2130 pse.vmem_minflt_counter = procs[i].p_uru_minflt;
2131 pse.vmem_majflt = 0;
2132 pse.vmem_majflt_counter = procs[i].p_uru_majflt;
2134 pse.cpu_user = 0;
2135 pse.cpu_system = 0;
2136 pse.cpu_user_counter = procs[i].p_uutime_usec +
2137 (1000000lu * procs[i].p_uutime_sec);
2138 pse.cpu_system_counter = procs[i].p_ustime_usec +
2139 (1000000lu * procs[i].p_ustime_sec);
2141 /* no I/O data */
2142 pse.io_rchar = -1;
2143 pse.io_wchar = -1;
2144 pse.io_syscr = -1;
2145 pse.io_syscw = -1;
2147 /* context switch counters not implemented */
2148 pse.cswitch_vol = -1;
2149 pse.cswitch_invol = -1;
2151 ps_list_add (procs[i].p_comm, have_cmdline ? cmdline : NULL, &pse);
2153 switch (procs[i].p_stat)
2154 {
2155 case SSTOP: stopped++; break;
2156 case SSLEEP: sleeping++; break;
2157 case SRUN: running++; break;
2158 case SIDL: idle++; break;
2159 case SONPROC: onproc++; break;
2160 case SDEAD: dead++; break;
2161 case SZOMB: zombies++; break;
2162 }
2163 } /* if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) */
2164 }
2166 kvm_close(kd);
2168 ps_submit_state ("running", running);
2169 ps_submit_state ("sleeping", sleeping);
2170 ps_submit_state ("zombies", zombies);
2171 ps_submit_state ("stopped", stopped);
2172 ps_submit_state ("onproc", onproc);
2173 ps_submit_state ("idle", idle);
2174 ps_submit_state ("dead", dead);
2176 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2177 ps_submit_proc_list (ps_ptr);
2178 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD */
2180 #elif HAVE_PROCINFO_H
2181 /* AIX */
2182 int running = 0;
2183 int sleeping = 0;
2184 int zombies = 0;
2185 int stopped = 0;
2186 int paging = 0;
2187 int blocked = 0;
2189 pid_t pindex = 0;
2190 int nprocs;
2192 procstat_entry_t pse;
2194 ps_list_reset ();
2195 while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
2196 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
2197 &pindex, MAXPROCENTRY)) > 0)
2198 {
2199 for (int i = 0; i < nprocs; i++)
2200 {
2201 tid64_t thindex;
2202 int nthreads;
2203 char arglist[MAXARGLN+1];
2204 char *cargs;
2205 char *cmdline;
2207 if (procentry[i].pi_state == SNONE) continue;
2208 /* if (procentry[i].pi_state == SZOMB) FIXME */
2210 cmdline = procentry[i].pi_comm;
2211 cargs = procentry[i].pi_comm;
2212 if ( procentry[i].pi_flags & SKPROC )
2213 {
2214 if (procentry[i].pi_pid == 0)
2215 cmdline = "swapper";
2216 cargs = cmdline;
2217 }
2218 else
2219 {
2220 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
2221 {
2222 int n;
2224 n = -1;
2225 while (++n < MAXARGLN)
2226 {
2227 if (arglist[n] == '\0')
2228 {
2229 if (arglist[n+1] == '\0')
2230 break;
2231 arglist[n] = ' ';
2232 }
2233 }
2234 cargs = arglist;
2235 }
2236 }
2238 pse.id = procentry[i].pi_pid;
2239 pse.age = 0;
2240 pse.num_lwp = procentry[i].pi_thcount;
2241 pse.num_proc = 1;
2243 thindex=0;
2244 while ((nthreads = getthrds64(procentry[i].pi_pid,
2245 thrdentry, sizeof(struct thrdentry64),
2246 &thindex, MAXTHRDENTRY)) > 0)
2247 {
2248 int j;
2250 for (j=0; j< nthreads; j++)
2251 {
2252 switch (thrdentry[j].ti_state)
2253 {
2254 /* case TSNONE: break; */
2255 case TSIDL: blocked++; break; /* FIXME is really blocked */
2256 case TSRUN: running++; break;
2257 case TSSLEEP: sleeping++; break;
2258 case TSSWAP: paging++; break;
2259 case TSSTOP: stopped++; break;
2260 case TSZOMB: zombies++; break;
2261 }
2262 }
2263 if (nthreads < MAXTHRDENTRY)
2264 break;
2265 }
2267 pse.cpu_user = 0;
2268 /* tv_usec is nanosec ??? */
2269 pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2270 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2272 pse.cpu_system = 0;
2273 /* tv_usec is nanosec ??? */
2274 pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2275 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2277 pse.vmem_minflt = 0;
2278 pse.vmem_minflt_counter = procentry[i].pi_minflt;
2279 pse.vmem_majflt = 0;
2280 pse.vmem_majflt_counter = procentry[i].pi_majflt;
2282 pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2283 pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2284 /* Not supported */
2285 pse.vmem_data = 0;
2286 pse.vmem_code = 0;
2287 pse.stack_size = 0;
2289 pse.io_rchar = -1;
2290 pse.io_wchar = -1;
2291 pse.io_syscr = -1;
2292 pse.io_syscw = -1;
2294 pse.cswitch_vol = -1;
2295 pse.cswitch_invol = -1;
2297 ps_list_add (cmdline, cargs, &pse);
2298 } /* for (i = 0 .. nprocs) */
2300 if (nprocs < MAXPROCENTRY)
2301 break;
2302 } /* while (getprocs64() > 0) */
2303 ps_submit_state ("running", running);
2304 ps_submit_state ("sleeping", sleeping);
2305 ps_submit_state ("zombies", zombies);
2306 ps_submit_state ("stopped", stopped);
2307 ps_submit_state ("paging", paging);
2308 ps_submit_state ("blocked", blocked);
2310 for (procstat_t *ps = list_head_g; ps != NULL; ps = ps->next)
2311 ps_submit_proc_list (ps);
2312 /* #endif HAVE_PROCINFO_H */
2314 #elif KERNEL_SOLARIS
2315 /*
2316 * The Solaris section adds a few more process states and removes some
2317 * process states compared to linux. Most notably there is no "PAGING"
2318 * and "BLOCKED" state for a process. The rest is similar to the linux
2319 * code.
2320 */
2321 int running = 0;
2322 int sleeping = 0;
2323 int zombies = 0;
2324 int stopped = 0;
2325 int detached = 0;
2326 int daemon = 0;
2327 int system = 0;
2328 int orphan = 0;
2330 struct dirent *ent;
2331 DIR *proc;
2333 int status;
2334 char state;
2336 char cmdline[PRARGSZ];
2338 ps_list_reset ();
2340 proc = opendir ("/proc");
2341 if (proc == NULL)
2342 return (-1);
2344 while ((ent = readdir(proc)) != NULL)
2345 {
2346 long pid;
2347 struct procstat ps;
2348 procstat_entry_t pse;
2349 char *endptr;
2351 if (!isdigit ((int) ent->d_name[0]))
2352 continue;
2354 pid = strtol (ent->d_name, &endptr, 10);
2355 if (*endptr != 0) /* value didn't completely parse as a number */
2356 continue;
2358 status = ps_read_process (pid, &ps, &state);
2359 if (status != 0)
2360 {
2361 DEBUG("ps_read_process failed: %i", status);
2362 continue;
2363 }
2365 memset (&pse, 0, sizeof (pse));
2366 pse.id = pid;
2367 pse.age = 0;
2369 pse.num_proc = ps.num_proc;
2370 pse.num_lwp = ps.num_lwp;
2371 pse.vmem_size = ps.vmem_size;
2372 pse.vmem_rss = ps.vmem_rss;
2373 pse.vmem_data = ps.vmem_data;
2374 pse.vmem_code = ps.vmem_code;
2375 pse.stack_size = ps.stack_size;
2377 pse.vmem_minflt = 0;
2378 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2379 pse.vmem_majflt = 0;
2380 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2382 pse.cpu_user = 0;
2383 pse.cpu_user_counter = ps.cpu_user_counter;
2384 pse.cpu_system = 0;
2385 pse.cpu_system_counter = ps.cpu_system_counter;
2387 pse.io_rchar = ps.io_rchar;
2388 pse.io_wchar = ps.io_wchar;
2389 pse.io_syscr = ps.io_syscr;
2390 pse.io_syscw = ps.io_syscw;
2392 pse.cswitch_vol = -1;
2393 pse.cswitch_invol = -1;
2395 switch (state)
2396 {
2397 case 'R': running++; break;
2398 case 'S': sleeping++; break;
2399 case 'E': detached++; break;
2400 case 'Z': zombies++; break;
2401 case 'T': stopped++; break;
2402 case 'A': daemon++; break;
2403 case 'Y': system++; break;
2404 case 'O': orphan++; break;
2405 }
2408 ps_list_add (ps.name,
2409 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
2410 &pse);
2411 } /* while(readdir) */
2412 closedir (proc);
2414 ps_submit_state ("running", running);
2415 ps_submit_state ("sleeping", sleeping);
2416 ps_submit_state ("zombies", zombies);
2417 ps_submit_state ("stopped", stopped);
2418 ps_submit_state ("detached", detached);
2419 ps_submit_state ("daemon", daemon);
2420 ps_submit_state ("system", system);
2421 ps_submit_state ("orphan", orphan);
2423 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2424 ps_submit_proc_list (ps_ptr);
2426 read_fork_rate();
2427 #endif /* KERNEL_SOLARIS */
2429 return (0);
2430 } /* int ps_read */
2432 void module_register (void)
2433 {
2434 plugin_register_complex_config ("processes", ps_config);
2435 plugin_register_init ("processes", ps_init);
2436 plugin_register_read ("processes", ps_read);
2437 } /* void module_register */