f470c84caf27cf02dc7b76feb9a5d6075097c132
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_list_t vl = VALUE_LIST_INIT;
680 value_t values[2];
682 vl.values = values;
683 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
684 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
685 sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
687 sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
688 vl.values[0].gauge = ps->vmem_size;
689 vl.values_len = 1;
690 plugin_dispatch_values (&vl);
692 sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
693 vl.values[0].gauge = ps->vmem_rss;
694 vl.values_len = 1;
695 plugin_dispatch_values (&vl);
697 sstrncpy (vl.type, "ps_data", sizeof (vl.type));
698 vl.values[0].gauge = ps->vmem_data;
699 vl.values_len = 1;
700 plugin_dispatch_values (&vl);
702 sstrncpy (vl.type, "ps_code", sizeof (vl.type));
703 vl.values[0].gauge = ps->vmem_code;
704 vl.values_len = 1;
705 plugin_dispatch_values (&vl);
707 sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
708 vl.values[0].gauge = ps->stack_size;
709 vl.values_len = 1;
710 plugin_dispatch_values (&vl);
712 sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
713 vl.values[0].derive = ps->cpu_user_counter;
714 vl.values[1].derive = ps->cpu_system_counter;
715 vl.values_len = 2;
716 plugin_dispatch_values (&vl);
718 sstrncpy (vl.type, "ps_count", sizeof (vl.type));
719 vl.values[0].gauge = ps->num_proc;
720 vl.values[1].gauge = ps->num_lwp;
721 vl.values_len = 2;
722 plugin_dispatch_values (&vl);
724 sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
725 vl.values[0].derive = ps->vmem_minflt_counter;
726 vl.values[1].derive = ps->vmem_majflt_counter;
727 vl.values_len = 2;
728 plugin_dispatch_values (&vl);
730 if ( (ps->io_rchar != -1) && (ps->io_wchar != -1) )
731 {
732 sstrncpy (vl.type, "ps_disk_octets", sizeof (vl.type));
733 vl.values[0].derive = ps->io_rchar;
734 vl.values[1].derive = ps->io_wchar;
735 vl.values_len = 2;
736 plugin_dispatch_values (&vl);
737 }
739 if ( (ps->io_syscr != -1) && (ps->io_syscw != -1) )
740 {
741 sstrncpy (vl.type, "ps_disk_ops", sizeof (vl.type));
742 vl.values[0].derive = ps->io_syscr;
743 vl.values[1].derive = ps->io_syscw;
744 vl.values_len = 2;
745 plugin_dispatch_values (&vl);
746 }
748 if ( report_ctx_switch )
749 {
750 sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
751 sstrncpy (vl.type_instance, "voluntary", sizeof (vl.type_instance));
752 vl.values[0].derive = ps->cswitch_vol;
753 vl.values_len = 1;
754 plugin_dispatch_values (&vl);
756 sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
757 sstrncpy (vl.type_instance, "involuntary", sizeof (vl.type_instance));
758 vl.values[0].derive = ps->cswitch_invol;
759 vl.values_len = 1;
760 plugin_dispatch_values (&vl);
761 }
763 DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
764 "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
765 "vmem_code = %lu; "
766 "vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
767 "cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
768 "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
769 "io_syscr = %"PRIi64"; io_syscw = %"PRIi64"; "
770 "cswitch_vol = %"PRIi64"; cswitch_invol = %"PRIi64";",
771 ps->name, ps->num_proc, ps->num_lwp,
772 ps->vmem_size, ps->vmem_rss,
773 ps->vmem_data, ps->vmem_code,
774 ps->vmem_minflt_counter, ps->vmem_majflt_counter,
775 ps->cpu_user_counter, ps->cpu_system_counter,
776 ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw,
777 ps->cswitch_vol, ps->cswitch_invol);
778 } /* void ps_submit_proc_list */
780 #if KERNEL_LINUX || KERNEL_SOLARIS
781 static void ps_submit_fork_rate (derive_t value)
782 {
783 value_list_t vl = VALUE_LIST_INIT;
785 vl.values = &(value_t) { .derive = value };
786 vl.values_len = 1;
787 sstrncpy(vl.host, hostname_g, sizeof (vl.host));
788 sstrncpy(vl.plugin, "processes", sizeof (vl.plugin));
789 sstrncpy(vl.plugin_instance, "", sizeof (vl.plugin_instance));
790 sstrncpy(vl.type, "fork_rate", sizeof (vl.type));
791 sstrncpy(vl.type_instance, "", sizeof (vl.type_instance));
793 plugin_dispatch_values(&vl);
794 }
795 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
797 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
798 #if KERNEL_LINUX
799 static procstat_t *ps_read_tasks_status (long pid, procstat_t *ps)
800 {
801 char dirname[64];
802 DIR *dh;
803 char filename[64];
804 FILE *fh;
805 struct dirent *ent;
806 derive_t cswitch_vol = 0;
807 derive_t cswitch_invol = 0;
808 char buffer[1024];
809 char *fields[8];
810 int numfields;
812 ssnprintf (dirname, sizeof (dirname), "/proc/%li/task", pid);
814 if ((dh = opendir (dirname)) == NULL)
815 {
816 DEBUG ("Failed to open directory `%s'", dirname);
817 return (NULL);
818 }
820 while ((ent = readdir (dh)) != NULL)
821 {
822 char *tpid;
824 if (!isdigit ((int) ent->d_name[0]))
825 continue;
827 tpid = ent->d_name;
829 ssnprintf (filename, sizeof (filename), "/proc/%li/task/%s/status", pid, tpid);
830 if ((fh = fopen (filename, "r")) == NULL)
831 {
832 DEBUG ("Failed to open file `%s'", filename);
833 continue;
834 }
836 while (fgets (buffer, sizeof(buffer), fh) != NULL)
837 {
838 derive_t tmp;
839 char *endptr;
841 if (strncmp (buffer, "voluntary_ctxt_switches", 23) != 0
842 && strncmp (buffer, "nonvoluntary_ctxt_switches", 26) != 0)
843 continue;
845 numfields = strsplit (buffer, fields,
846 STATIC_ARRAY_SIZE (fields));
848 if (numfields < 2)
849 continue;
851 errno = 0;
852 endptr = NULL;
853 tmp = (derive_t) strtoll (fields[1], &endptr, /* base = */ 10);
854 if ((errno == 0) && (endptr != fields[1]))
855 {
856 if (strncmp (buffer, "voluntary_ctxt_switches", 23) == 0)
857 {
858 cswitch_vol += tmp;
859 }
860 else if (strncmp (buffer, "nonvoluntary_ctxt_switches", 26) == 0)
861 {
862 cswitch_invol += tmp;
863 }
864 }
865 } /* while (fgets) */
867 if (fclose (fh))
868 {
869 char errbuf[1024];
870 WARNING ("processes: fclose: %s",
871 sstrerror (errno, errbuf, sizeof (errbuf)));
872 }
873 }
874 closedir (dh);
876 ps->cswitch_vol = cswitch_vol;
877 ps->cswitch_invol = cswitch_invol;
879 return (ps);
880 } /* int *ps_read_tasks_status */
882 /* Read data from /proc/pid/status */
883 static procstat_t *ps_read_status (long pid, procstat_t *ps)
884 {
885 FILE *fh;
886 char buffer[1024];
887 char filename[64];
888 unsigned long lib = 0;
889 unsigned long exe = 0;
890 unsigned long data = 0;
891 unsigned long threads = 0;
892 char *fields[8];
893 int numfields;
895 ssnprintf (filename, sizeof (filename), "/proc/%li/status", pid);
896 if ((fh = fopen (filename, "r")) == NULL)
897 return (NULL);
899 while (fgets (buffer, sizeof(buffer), fh) != NULL)
900 {
901 unsigned long tmp;
902 char *endptr;
904 if (strncmp (buffer, "Vm", 2) != 0
905 && strncmp (buffer, "Threads", 7) != 0)
906 continue;
908 numfields = strsplit (buffer, fields,
909 STATIC_ARRAY_SIZE (fields));
911 if (numfields < 2)
912 continue;
914 errno = 0;
915 endptr = NULL;
916 tmp = strtoul (fields[1], &endptr, /* base = */ 10);
917 if ((errno == 0) && (endptr != fields[1]))
918 {
919 if (strncmp (buffer, "VmData", 6) == 0)
920 {
921 data = tmp;
922 }
923 else if (strncmp (buffer, "VmLib", 5) == 0)
924 {
925 lib = tmp;
926 }
927 else if (strncmp(buffer, "VmExe", 5) == 0)
928 {
929 exe = tmp;
930 }
931 else if (strncmp(buffer, "Threads", 7) == 0)
932 {
933 threads = tmp;
934 }
935 }
936 } /* while (fgets) */
938 if (fclose (fh))
939 {
940 char errbuf[1024];
941 WARNING ("processes: fclose: %s",
942 sstrerror (errno, errbuf, sizeof (errbuf)));
943 }
945 ps->vmem_data = data * 1024;
946 ps->vmem_code = (exe + lib) * 1024;
947 if (threads != 0)
948 ps->num_lwp = threads;
950 return (ps);
951 } /* procstat_t *ps_read_vmem */
953 static procstat_t *ps_read_io (long pid, procstat_t *ps)
954 {
955 FILE *fh;
956 char buffer[1024];
957 char filename[64];
959 char *fields[8];
960 int numfields;
962 ssnprintf (filename, sizeof (filename), "/proc/%li/io", pid);
963 if ((fh = fopen (filename, "r")) == NULL)
964 return (NULL);
966 while (fgets (buffer, sizeof (buffer), fh) != NULL)
967 {
968 derive_t *val = NULL;
969 long long tmp;
970 char *endptr;
972 if (strncasecmp (buffer, "rchar:", 6) == 0)
973 val = &(ps->io_rchar);
974 else if (strncasecmp (buffer, "wchar:", 6) == 0)
975 val = &(ps->io_wchar);
976 else if (strncasecmp (buffer, "syscr:", 6) == 0)
977 val = &(ps->io_syscr);
978 else if (strncasecmp (buffer, "syscw:", 6) == 0)
979 val = &(ps->io_syscw);
980 else
981 continue;
983 numfields = strsplit (buffer, fields,
984 STATIC_ARRAY_SIZE (fields));
986 if (numfields < 2)
987 continue;
989 errno = 0;
990 endptr = NULL;
991 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
992 if ((errno != 0) || (endptr == fields[1]))
993 *val = -1;
994 else
995 *val = (derive_t) tmp;
996 } /* while (fgets) */
998 if (fclose (fh))
999 {
1000 char errbuf[1024];
1001 WARNING ("processes: fclose: %s",
1002 sstrerror (errno, errbuf, sizeof (errbuf)));
1003 }
1005 return (ps);
1006 } /* procstat_t *ps_read_io */
1008 static int ps_read_process (long pid, procstat_t *ps, char *state)
1009 {
1010 char filename[64];
1011 char buffer[1024];
1013 char *fields[64];
1014 char fields_len;
1016 size_t buffer_len;
1018 char *buffer_ptr;
1019 size_t name_start_pos;
1020 size_t name_end_pos;
1021 size_t name_len;
1023 derive_t cpu_user_counter;
1024 derive_t cpu_system_counter;
1025 long long unsigned vmem_size;
1026 long long unsigned vmem_rss;
1027 long long unsigned stack_size;
1029 ssize_t status;
1031 memset (ps, 0, sizeof (procstat_t));
1033 ssnprintf (filename, sizeof (filename), "/proc/%li/stat", pid);
1035 status = read_file_contents (filename, buffer, sizeof(buffer) - 1);
1036 if (status <= 0)
1037 return (-1);
1038 buffer_len = (size_t) status;
1039 buffer[buffer_len] = 0;
1041 /* The name of the process is enclosed in parens. Since the name can
1042 * contain parens itself, spaces, numbers and pretty much everything
1043 * else, use these to determine the process name. We don't use
1044 * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
1045 * otherwise be required to determine name_len. */
1046 name_start_pos = 0;
1047 while (name_start_pos < buffer_len && buffer[name_start_pos] != '(')
1048 name_start_pos++;
1050 name_end_pos = buffer_len;
1051 while (name_end_pos > 0 && buffer[name_end_pos] != ')')
1052 name_end_pos--;
1054 /* Either '(' or ')' is not found or they are in the wrong order.
1055 * Anyway, something weird that shouldn't happen ever. */
1056 if (name_start_pos >= name_end_pos)
1057 {
1058 ERROR ("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
1059 name_start_pos, name_end_pos);
1060 return (-1);
1061 }
1063 name_len = (name_end_pos - name_start_pos) - 1;
1064 if (name_len >= sizeof (ps->name))
1065 name_len = sizeof (ps->name) - 1;
1067 sstrncpy (ps->name, &buffer[name_start_pos + 1], name_len + 1);
1069 if ((buffer_len - name_end_pos) < 2)
1070 return (-1);
1071 buffer_ptr = &buffer[name_end_pos + 2];
1073 fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
1074 if (fields_len < 22)
1075 {
1076 DEBUG ("processes plugin: ps_read_process (pid = %li):"
1077 " `%s' has only %i fields..",
1078 pid, filename, fields_len);
1079 return (-1);
1080 }
1082 *state = fields[0][0];
1084 if (*state == 'Z')
1085 {
1086 ps->num_lwp = 0;
1087 ps->num_proc = 0;
1088 }
1089 else
1090 {
1091 ps->num_lwp = strtoul (fields[17], /* endptr = */ NULL, /* base = */ 10);
1092 if ((ps_read_status(pid, ps)) == NULL)
1093 {
1094 /* No VMem data */
1095 ps->vmem_data = -1;
1096 ps->vmem_code = -1;
1097 DEBUG("ps_read_process: did not get vmem data for pid %li", pid);
1098 }
1099 if (ps->num_lwp == 0)
1100 ps->num_lwp = 1;
1101 ps->num_proc = 1;
1102 }
1104 /* Leave the rest at zero if this is only a zombi */
1105 if (ps->num_proc == 0)
1106 {
1107 DEBUG ("processes plugin: This is only a zombie: pid = %li; "
1108 "name = %s;", pid, ps->name);
1109 return (0);
1110 }
1112 cpu_user_counter = atoll (fields[11]);
1113 cpu_system_counter = atoll (fields[12]);
1114 vmem_size = atoll (fields[20]);
1115 vmem_rss = atoll (fields[21]);
1116 ps->vmem_minflt_counter = atol (fields[7]);
1117 ps->vmem_majflt_counter = atol (fields[9]);
1119 {
1120 unsigned long long stack_start = atoll (fields[25]);
1121 unsigned long long stack_ptr = atoll (fields[26]);
1123 stack_size = (stack_start > stack_ptr)
1124 ? stack_start - stack_ptr
1125 : stack_ptr - stack_start;
1126 }
1128 /* Convert jiffies to useconds */
1129 cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
1130 cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1131 vmem_rss = vmem_rss * pagesize_g;
1133 ps->cpu_user_counter = cpu_user_counter;
1134 ps->cpu_system_counter = cpu_system_counter;
1135 ps->vmem_size = (unsigned long) vmem_size;
1136 ps->vmem_rss = (unsigned long) vmem_rss;
1137 ps->stack_size = (unsigned long) stack_size;
1139 if ( (ps_read_io (pid, ps)) == NULL)
1140 {
1141 /* no io data */
1142 ps->io_rchar = -1;
1143 ps->io_wchar = -1;
1144 ps->io_syscr = -1;
1145 ps->io_syscw = -1;
1147 DEBUG("ps_read_process: not get io data for pid %li", pid);
1148 }
1150 if ( report_ctx_switch )
1151 {
1152 if ( (ps_read_tasks_status(pid, ps)) == NULL)
1153 {
1154 ps->cswitch_vol = -1;
1155 ps->cswitch_invol = -1;
1157 DEBUG("ps_read_tasks_status: not get context "
1158 "switch data for pid %li", pid);
1159 }
1160 }
1162 /* success */
1163 return (0);
1164 } /* int ps_read_process (...) */
1166 static char *ps_get_cmdline (long pid, char *name, char *buf, size_t buf_len)
1167 {
1168 char *buf_ptr;
1169 size_t len;
1171 char file[PATH_MAX];
1172 int fd;
1174 size_t n;
1176 if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1177 return NULL;
1179 ssnprintf (file, sizeof (file), "/proc/%li/cmdline", pid);
1181 errno = 0;
1182 fd = open (file, O_RDONLY);
1183 if (fd < 0) {
1184 char errbuf[4096];
1185 /* ENOENT means the process exited while we were handling it.
1186 * Don't complain about this, it only fills the logs. */
1187 if (errno != ENOENT)
1188 WARNING ("processes plugin: Failed to open `%s': %s.", file,
1189 sstrerror (errno, errbuf, sizeof (errbuf)));
1190 return NULL;
1191 }
1193 buf_ptr = buf;
1194 len = buf_len;
1196 n = 0;
1198 while (42) {
1199 ssize_t status;
1201 status = read (fd, (void *)buf_ptr, len);
1203 if (status < 0) {
1204 char errbuf[1024];
1206 if ((EAGAIN == errno) || (EINTR == errno))
1207 continue;
1209 WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1210 sstrerror (errno, errbuf, sizeof (errbuf)));
1211 close (fd);
1212 return NULL;
1213 }
1215 n += status;
1217 if (status == 0)
1218 break;
1220 buf_ptr += status;
1221 len -= status;
1223 if (len == 0)
1224 break;
1225 }
1227 close (fd);
1229 if (0 == n) {
1230 /* cmdline not available; e.g. kernel thread, zombie */
1231 if (NULL == name)
1232 return NULL;
1234 ssnprintf (buf, buf_len, "[%s]", name);
1235 return buf;
1236 }
1238 assert (n <= buf_len);
1240 if (n == buf_len)
1241 --n;
1242 buf[n] = '\0';
1244 --n;
1245 /* remove trailing whitespace */
1246 while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1247 buf[n] = '\0';
1248 --n;
1249 }
1251 /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1252 while (n > 0) {
1253 if ('\0' == buf[n])
1254 buf[n] = ' ';
1255 --n;
1256 }
1257 return buf;
1258 } /* char *ps_get_cmdline (...) */
1260 static int read_fork_rate (void)
1261 {
1262 FILE *proc_stat;
1263 char buffer[1024];
1264 value_t value;
1265 _Bool value_valid = 0;
1267 proc_stat = fopen ("/proc/stat", "r");
1268 if (proc_stat == NULL)
1269 {
1270 char errbuf[1024];
1271 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1272 sstrerror (errno, errbuf, sizeof (errbuf)));
1273 return (-1);
1274 }
1276 while (fgets (buffer, sizeof (buffer), proc_stat) != NULL)
1277 {
1278 int status;
1279 char *fields[3];
1280 int fields_num;
1282 fields_num = strsplit (buffer, fields,
1283 STATIC_ARRAY_SIZE (fields));
1284 if (fields_num != 2)
1285 continue;
1287 if (strcmp ("processes", fields[0]) != 0)
1288 continue;
1290 status = parse_value (fields[1], &value, DS_TYPE_DERIVE);
1291 if (status == 0)
1292 value_valid = 1;
1294 break;
1295 }
1296 fclose(proc_stat);
1298 if (!value_valid)
1299 return (-1);
1301 ps_submit_fork_rate (value.derive);
1302 return (0);
1303 }
1304 #endif /*KERNEL_LINUX */
1306 #if KERNEL_SOLARIS
1307 static char *ps_get_cmdline (long pid, char *name __attribute__((unused)), /* {{{ */
1308 char *buffer, size_t buffer_size)
1309 {
1310 char path[PATH_MAX];
1311 psinfo_t info;
1312 ssize_t status;
1314 snprintf(path, sizeof (path), "/proc/%li/psinfo", pid);
1316 status = read_file_contents (path, (void *) &info, sizeof (info));
1317 if ((status < 0) || (((size_t) status) != sizeof (info)))
1318 {
1319 ERROR ("processes plugin: Unexpected return value "
1320 "while reading \"%s\": "
1321 "Returned %zd but expected %zu.",
1322 path, status, buffer_size);
1323 return (NULL);
1324 }
1326 info.pr_psargs[sizeof (info.pr_psargs) - 1] = 0;
1327 sstrncpy (buffer, info.pr_psargs, buffer_size);
1329 return (buffer);
1330 } /* }}} int ps_get_cmdline */
1332 /*
1333 * Reads process information on the Solaris OS. The information comes mainly from
1334 * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1335 * The values for input and ouput chars are calculated "by hand"
1336 * Added a few "solaris" specific process states as well
1337 */
1338 static int ps_read_process(long pid, procstat_t *ps, char *state)
1339 {
1340 char filename[64];
1341 char f_psinfo[64], f_usage[64];
1342 char *buffer;
1344 pstatus_t *myStatus;
1345 psinfo_t *myInfo;
1346 prusage_t *myUsage;
1348 snprintf(filename, sizeof (filename), "/proc/%li/status", pid);
1349 snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%li/psinfo", pid);
1350 snprintf(f_usage, sizeof (f_usage), "/proc/%li/usage", pid);
1353 buffer = calloc(1, sizeof (pstatus_t));
1354 read_file_contents(filename, buffer, sizeof (pstatus_t));
1355 myStatus = (pstatus_t *) buffer;
1357 buffer = calloc(1, sizeof (psinfo_t));
1358 read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1359 myInfo = (psinfo_t *) buffer;
1361 buffer = calloc(1, sizeof (prusage_t));
1362 read_file_contents(f_usage, buffer, sizeof (prusage_t));
1363 myUsage = (prusage_t *) buffer;
1365 sstrncpy(ps->name, myInfo->pr_fname, sizeof (myInfo->pr_fname));
1366 ps->num_lwp = myStatus->pr_nlwp;
1367 if (myInfo->pr_wstat != 0) {
1368 ps->num_proc = 0;
1369 ps->num_lwp = 0;
1370 *state = (char) 'Z';
1372 sfree(myStatus);
1373 sfree(myInfo);
1374 sfree(myUsage);
1375 return (0);
1376 } else {
1377 ps->num_proc = 1;
1378 ps->num_lwp = myInfo->pr_nlwp;
1379 }
1381 /*
1382 * Convert system time and user time from nanoseconds to microseconds
1383 * for compatibility with the linux module
1384 */
1385 ps->cpu_system_counter = myStatus -> pr_stime.tv_nsec / 1000;
1386 ps->cpu_user_counter = myStatus -> pr_utime.tv_nsec / 1000;
1388 /*
1389 * Convert rssize from KB to bytes to be consistent w/ the linux module
1390 */
1391 ps->vmem_rss = myInfo->pr_rssize * 1024;
1392 ps->vmem_size = myInfo->pr_size * 1024;
1393 ps->vmem_minflt_counter = myUsage->pr_minf;
1394 ps->vmem_majflt_counter = myUsage->pr_majf;
1396 /*
1397 * TODO: Data and code segment calculations for Solaris
1398 */
1400 ps->vmem_data = -1;
1401 ps->vmem_code = -1;
1402 ps->stack_size = myStatus->pr_stksize;
1404 /*
1405 * Calculating input/ouput chars
1406 * Formula used is total chars / total blocks => chars/block
1407 * then convert input/output blocks to chars
1408 */
1409 ulong_t tot_chars = myUsage->pr_ioch;
1410 ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1411 ulong_t chars_per_block = 1;
1412 if (tot_blocks != 0)
1413 chars_per_block = tot_chars / tot_blocks;
1414 ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1415 ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1416 ps->io_syscr = myUsage->pr_sysc;
1417 ps->io_syscw = myUsage->pr_sysc;
1419 /*
1420 * TODO: context switch counters for Solaris
1421 */
1422 ps->cswitch_vol = -1;
1423 ps->cswitch_invol = -1;
1426 /*
1427 * TODO: Find way of setting BLOCKED and PAGING status
1428 */
1430 *state = (char) 'R';
1431 if (myStatus->pr_flags & PR_ASLEEP)
1432 *state = (char) 'S';
1433 else if (myStatus->pr_flags & PR_STOPPED)
1434 *state = (char) 'T';
1435 else if (myStatus->pr_flags & PR_DETACH)
1436 *state = (char) 'E';
1437 else if (myStatus->pr_flags & PR_DAEMON)
1438 *state = (char) 'A';
1439 else if (myStatus->pr_flags & PR_ISSYS)
1440 *state = (char) 'Y';
1441 else if (myStatus->pr_flags & PR_ORPHAN)
1442 *state = (char) 'O';
1444 sfree(myStatus);
1445 sfree(myInfo);
1446 sfree(myUsage);
1448 return (0);
1449 }
1451 /*
1452 * Reads the number of threads created since the last reboot. On Solaris these
1453 * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1454 * The result is the sum for all the threads created on each cpu
1455 */
1456 static int read_fork_rate (void)
1457 {
1458 extern kstat_ctl_t *kc;
1459 derive_t result = 0;
1461 if (kc == NULL)
1462 return (-1);
1464 for (kstat_t *ksp_chain = kc->kc_chain;
1465 ksp_chain != NULL;
1466 ksp_chain = ksp_chain->ks_next)
1467 {
1468 if ((strcmp (ksp_chain->ks_module, "cpu") == 0)
1469 && (strcmp (ksp_chain->ks_name, "sys") == 0)
1470 && (strcmp (ksp_chain->ks_class, "misc") == 0))
1471 {
1472 long long tmp;
1474 kstat_read (kc, ksp_chain, NULL);
1476 tmp = get_kstat_value(ksp_chain, "nthreads");
1477 if (tmp != -1LL)
1478 result += tmp;
1479 }
1480 }
1482 ps_submit_fork_rate (result);
1483 return (0);
1484 }
1485 #endif /* KERNEL_SOLARIS */
1487 #if HAVE_THREAD_INFO
1488 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1489 {
1490 int mib[4];
1492 struct kinfo_proc kp;
1493 size_t kp_size;
1495 mib[0] = CTL_KERN;
1496 mib[1] = KERN_PROC;
1497 mib[2] = KERN_PROC_PID;
1499 if (pid_for_task (t, pid) != KERN_SUCCESS)
1500 return (-1);
1501 mib[3] = *pid;
1503 kp_size = sizeof (kp);
1504 if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1505 return (-1);
1507 if (name_max_len > (MAXCOMLEN + 1))
1508 name_max_len = MAXCOMLEN + 1;
1510 strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1511 name[name_max_len - 1] = '\0';
1513 DEBUG ("pid = %i; name = %s;", *pid, name);
1515 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1516 * `top' does it, because it is a lot of work and only used when
1517 * debugging. -octo */
1519 return (0);
1520 }
1521 #endif /* HAVE_THREAD_INFO */
1522 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1524 /* do actual readings from kernel */
1525 static int ps_read (void)
1526 {
1527 #if HAVE_THREAD_INFO
1528 kern_return_t status;
1530 processor_set_t port_pset_priv;
1532 task_array_t task_list;
1533 mach_msg_type_number_t task_list_len;
1535 int task_pid;
1536 char task_name[MAXCOMLEN + 1];
1538 thread_act_array_t thread_list;
1539 mach_msg_type_number_t thread_list_len;
1540 thread_basic_info_data_t thread_data;
1541 mach_msg_type_number_t thread_data_len;
1543 int running = 0;
1544 int sleeping = 0;
1545 int zombies = 0;
1546 int stopped = 0;
1547 int blocked = 0;
1549 procstat_t *ps;
1550 procstat_entry_t pse;
1552 ps_list_reset ();
1554 /*
1555 * The Mach-concept is a little different from the traditional UNIX
1556 * concept: All the work is done in threads. Threads are contained in
1557 * `tasks'. Therefore, `task status' doesn't make much sense, since
1558 * it's actually a `thread status'.
1559 * Tasks are assigned to sets of processors, so that's where you go to
1560 * get a list.
1561 */
1562 for (mach_msg_type_number_t pset = 0; pset < pset_list_len; pset++)
1563 {
1564 if ((status = host_processor_set_priv (port_host_self,
1565 pset_list[pset],
1566 &port_pset_priv)) != KERN_SUCCESS)
1567 {
1568 ERROR ("host_processor_set_priv failed: %s\n",
1569 mach_error_string (status));
1570 continue;
1571 }
1573 if ((status = processor_set_tasks (port_pset_priv,
1574 &task_list,
1575 &task_list_len)) != KERN_SUCCESS)
1576 {
1577 ERROR ("processor_set_tasks failed: %s\n",
1578 mach_error_string (status));
1579 mach_port_deallocate (port_task_self, port_pset_priv);
1580 continue;
1581 }
1583 for (mach_msg_type_number_t task = 0; task < task_list_len; task++)
1584 {
1585 ps = NULL;
1586 if (mach_get_task_name (task_list[task],
1587 &task_pid,
1588 task_name, PROCSTAT_NAME_LEN) == 0)
1589 {
1590 /* search for at least one match */
1591 for (ps = list_head_g; ps != NULL; ps = ps->next)
1592 /* FIXME: cmdline should be here instead of NULL */
1593 if (ps_list_match (task_name, NULL, ps) == 1)
1594 break;
1595 }
1597 /* Collect more detailed statistics for this process */
1598 if (ps != NULL)
1599 {
1600 task_basic_info_data_t task_basic_info;
1601 mach_msg_type_number_t task_basic_info_len;
1602 task_events_info_data_t task_events_info;
1603 mach_msg_type_number_t task_events_info_len;
1604 task_absolutetime_info_data_t task_absolutetime_info;
1605 mach_msg_type_number_t task_absolutetime_info_len;
1607 memset (&pse, '\0', sizeof (pse));
1608 pse.id = task_pid;
1610 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1611 status = task_info (task_list[task],
1612 TASK_BASIC_INFO,
1613 (task_info_t) &task_basic_info,
1614 &task_basic_info_len);
1615 if (status != KERN_SUCCESS)
1616 {
1617 ERROR ("task_info failed: %s",
1618 mach_error_string (status));
1619 continue; /* with next thread_list */
1620 }
1622 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1623 status = task_info (task_list[task],
1624 TASK_EVENTS_INFO,
1625 (task_info_t) &task_events_info,
1626 &task_events_info_len);
1627 if (status != KERN_SUCCESS)
1628 {
1629 ERROR ("task_info failed: %s",
1630 mach_error_string (status));
1631 continue; /* with next thread_list */
1632 }
1634 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1635 status = task_info (task_list[task],
1636 TASK_ABSOLUTETIME_INFO,
1637 (task_info_t) &task_absolutetime_info,
1638 &task_absolutetime_info_len);
1639 if (status != KERN_SUCCESS)
1640 {
1641 ERROR ("task_info failed: %s",
1642 mach_error_string (status));
1643 continue; /* with next thread_list */
1644 }
1646 pse.num_proc++;
1647 pse.vmem_size = task_basic_info.virtual_size;
1648 pse.vmem_rss = task_basic_info.resident_size;
1649 /* Does not seem to be easily exposed */
1650 pse.vmem_data = 0;
1651 pse.vmem_code = 0;
1653 pse.vmem_minflt_counter = task_events_info.cow_faults;
1654 pse.vmem_majflt_counter = task_events_info.faults;
1656 pse.cpu_user_counter = task_absolutetime_info.total_user;
1657 pse.cpu_system_counter = task_absolutetime_info.total_system;
1659 /* context switch counters not implemented */
1660 pse.cswitch_vol = -1;
1661 pse.cswitch_invol = -1;
1662 }
1664 status = task_threads (task_list[task], &thread_list,
1665 &thread_list_len);
1666 if (status != KERN_SUCCESS)
1667 {
1668 /* Apple's `top' treats this case a zombie. It
1669 * makes sense to some extend: A `zombie'
1670 * thread is nonsense, since the task/process
1671 * is dead. */
1672 zombies++;
1673 DEBUG ("task_threads failed: %s",
1674 mach_error_string (status));
1675 if (task_list[task] != port_task_self)
1676 mach_port_deallocate (port_task_self,
1677 task_list[task]);
1678 continue; /* with next task_list */
1679 }
1681 for (mach_msg_type_number_t thread = 0; thread < thread_list_len; thread++)
1682 {
1683 thread_data_len = THREAD_BASIC_INFO_COUNT;
1684 status = thread_info (thread_list[thread],
1685 THREAD_BASIC_INFO,
1686 (thread_info_t) &thread_data,
1687 &thread_data_len);
1688 if (status != KERN_SUCCESS)
1689 {
1690 ERROR ("thread_info failed: %s",
1691 mach_error_string (status));
1692 if (task_list[task] != port_task_self)
1693 mach_port_deallocate (port_task_self,
1694 thread_list[thread]);
1695 continue; /* with next thread_list */
1696 }
1698 if (ps != NULL)
1699 pse.num_lwp++;
1701 switch (thread_data.run_state)
1702 {
1703 case TH_STATE_RUNNING:
1704 running++;
1705 break;
1706 case TH_STATE_STOPPED:
1707 /* What exactly is `halted'? */
1708 case TH_STATE_HALTED:
1709 stopped++;
1710 break;
1711 case TH_STATE_WAITING:
1712 sleeping++;
1713 break;
1714 case TH_STATE_UNINTERRUPTIBLE:
1715 blocked++;
1716 break;
1717 /* There is no `zombie' case here,
1718 * since there are no zombie-threads.
1719 * There's only zombie tasks, which are
1720 * handled above. */
1721 default:
1722 WARNING ("Unknown thread status: %i",
1723 thread_data.run_state);
1724 break;
1725 } /* switch (thread_data.run_state) */
1727 if (task_list[task] != port_task_self)
1728 {
1729 status = mach_port_deallocate (port_task_self,
1730 thread_list[thread]);
1731 if (status != KERN_SUCCESS)
1732 ERROR ("mach_port_deallocate failed: %s",
1733 mach_error_string (status));
1734 }
1735 } /* for (thread_list) */
1737 if ((status = vm_deallocate (port_task_self,
1738 (vm_address_t) thread_list,
1739 thread_list_len * sizeof (thread_act_t)))
1740 != KERN_SUCCESS)
1741 {
1742 ERROR ("vm_deallocate failed: %s",
1743 mach_error_string (status));
1744 }
1745 thread_list = NULL;
1746 thread_list_len = 0;
1748 /* Only deallocate the task port, if it isn't our own.
1749 * Don't know what would happen in that case, but this
1750 * is what Apple's top does.. ;) */
1751 if (task_list[task] != port_task_self)
1752 {
1753 status = mach_port_deallocate (port_task_self,
1754 task_list[task]);
1755 if (status != KERN_SUCCESS)
1756 ERROR ("mach_port_deallocate failed: %s",
1757 mach_error_string (status));
1758 }
1760 if (ps != NULL)
1761 /* FIXME: cmdline should be here instead of NULL */
1762 ps_list_add (task_name, NULL, &pse);
1763 } /* for (task_list) */
1765 if ((status = vm_deallocate (port_task_self,
1766 (vm_address_t) task_list,
1767 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1768 {
1769 ERROR ("vm_deallocate failed: %s",
1770 mach_error_string (status));
1771 }
1772 task_list = NULL;
1773 task_list_len = 0;
1775 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1776 != KERN_SUCCESS)
1777 {
1778 ERROR ("mach_port_deallocate failed: %s",
1779 mach_error_string (status));
1780 }
1781 } /* for (pset_list) */
1783 ps_submit_state ("running", running);
1784 ps_submit_state ("sleeping", sleeping);
1785 ps_submit_state ("zombies", zombies);
1786 ps_submit_state ("stopped", stopped);
1787 ps_submit_state ("blocked", blocked);
1789 for (ps = list_head_g; ps != NULL; ps = ps->next)
1790 ps_submit_proc_list (ps);
1791 /* #endif HAVE_THREAD_INFO */
1793 #elif KERNEL_LINUX
1794 int running = 0;
1795 int sleeping = 0;
1796 int zombies = 0;
1797 int stopped = 0;
1798 int paging = 0;
1799 int blocked = 0;
1801 struct dirent *ent;
1802 DIR *proc;
1803 long pid;
1805 char cmdline[CMDLINE_BUFFER_SIZE];
1807 int status;
1808 procstat_t ps;
1809 procstat_entry_t pse;
1810 char state;
1812 running = sleeping = zombies = stopped = paging = blocked = 0;
1813 ps_list_reset ();
1815 if ((proc = opendir ("/proc")) == NULL)
1816 {
1817 char errbuf[1024];
1818 ERROR ("Cannot open `/proc': %s",
1819 sstrerror (errno, errbuf, sizeof (errbuf)));
1820 return (-1);
1821 }
1823 while ((ent = readdir (proc)) != NULL)
1824 {
1825 if (!isdigit (ent->d_name[0]))
1826 continue;
1828 if ((pid = atol (ent->d_name)) < 1)
1829 continue;
1831 status = ps_read_process (pid, &ps, &state);
1832 if (status != 0)
1833 {
1834 DEBUG ("ps_read_process failed: %i", status);
1835 continue;
1836 }
1838 memset (&pse, 0, sizeof (pse));
1839 pse.id = pid;
1840 pse.age = 0;
1842 pse.num_proc = ps.num_proc;
1843 pse.num_lwp = ps.num_lwp;
1844 pse.vmem_size = ps.vmem_size;
1845 pse.vmem_rss = ps.vmem_rss;
1846 pse.vmem_data = ps.vmem_data;
1847 pse.vmem_code = ps.vmem_code;
1848 pse.stack_size = ps.stack_size;
1850 pse.vmem_minflt = 0;
1851 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1852 pse.vmem_majflt = 0;
1853 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1855 pse.cpu_user = 0;
1856 pse.cpu_user_counter = ps.cpu_user_counter;
1857 pse.cpu_system = 0;
1858 pse.cpu_system_counter = ps.cpu_system_counter;
1860 pse.io_rchar = ps.io_rchar;
1861 pse.io_wchar = ps.io_wchar;
1862 pse.io_syscr = ps.io_syscr;
1863 pse.io_syscw = ps.io_syscw;
1865 pse.cswitch_vol = ps.cswitch_vol;
1866 pse.cswitch_invol = ps.cswitch_invol;
1868 switch (state)
1869 {
1870 case 'R': running++; break;
1871 case 'S': sleeping++; break;
1872 case 'D': blocked++; break;
1873 case 'Z': zombies++; break;
1874 case 'T': stopped++; break;
1875 case 'W': paging++; break;
1876 }
1878 ps_list_add (ps.name,
1879 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1880 &pse);
1881 }
1883 closedir (proc);
1885 ps_submit_state ("running", running);
1886 ps_submit_state ("sleeping", sleeping);
1887 ps_submit_state ("zombies", zombies);
1888 ps_submit_state ("stopped", stopped);
1889 ps_submit_state ("paging", paging);
1890 ps_submit_state ("blocked", blocked);
1892 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1893 ps_submit_proc_list (ps_ptr);
1895 read_fork_rate();
1896 /* #endif KERNEL_LINUX */
1898 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1899 int running = 0;
1900 int sleeping = 0;
1901 int zombies = 0;
1902 int stopped = 0;
1903 int blocked = 0;
1904 int idle = 0;
1905 int wait = 0;
1907 kvm_t *kd;
1908 char errbuf[_POSIX2_LINE_MAX];
1909 struct kinfo_proc *procs; /* array of processes */
1910 struct kinfo_proc *proc_ptr = NULL;
1911 int count; /* returns number of processes */
1913 procstat_entry_t pse;
1915 ps_list_reset ();
1917 /* Open the kvm interface, get a descriptor */
1918 kd = kvm_openfiles (NULL, "/dev/null", NULL, 0, errbuf);
1919 if (kd == NULL)
1920 {
1921 ERROR ("processes plugin: Cannot open kvm interface: %s",
1922 errbuf);
1923 return (0);
1924 }
1926 /* Get the list of processes. */
1927 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1928 if (procs == NULL)
1929 {
1930 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1931 kvm_geterr(kd));
1932 kvm_close (kd);
1933 return (0);
1934 }
1936 /* Iterate through the processes in kinfo_proc */
1937 for (int i = 0; i < count; i++)
1938 {
1939 /* Create only one process list entry per _process_, i.e.
1940 * filter out threads (duplicate PID entries). */
1941 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1942 {
1943 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1944 _Bool have_cmdline = 0;
1946 proc_ptr = &(procs[i]);
1947 /* Don't probe system processes and processes without arguments */
1948 if (((procs[i].ki_flag & P_SYSTEM) == 0)
1949 && (procs[i].ki_args != NULL))
1950 {
1951 char **argv;
1952 int argc;
1953 int status;
1955 /* retrieve the arguments */
1956 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1957 argc = 0;
1958 if ((argv != NULL) && (argv[0] != NULL))
1959 {
1960 while (argv[argc] != NULL)
1961 argc++;
1963 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1964 if (status < 0)
1965 WARNING ("processes plugin: Command line did not fit into buffer.");
1966 else
1967 have_cmdline = 1;
1968 }
1969 } /* if (process has argument list) */
1971 pse.id = procs[i].ki_pid;
1972 pse.age = 0;
1974 pse.num_proc = 1;
1975 pse.num_lwp = procs[i].ki_numthreads;
1977 pse.vmem_size = procs[i].ki_size;
1978 pse.vmem_rss = procs[i].ki_rssize * pagesize;
1979 pse.vmem_data = procs[i].ki_dsize * pagesize;
1980 pse.vmem_code = procs[i].ki_tsize * pagesize;
1981 pse.stack_size = procs[i].ki_ssize * pagesize;
1982 pse.vmem_minflt = 0;
1983 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1984 pse.vmem_majflt = 0;
1985 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1987 pse.cpu_user = 0;
1988 pse.cpu_system = 0;
1989 pse.cpu_user_counter = 0;
1990 pse.cpu_system_counter = 0;
1991 /*
1992 * The u-area might be swapped out, and we can't get
1993 * at it because we have a crashdump and no swap.
1994 * If it's here fill in these fields, otherwise, just
1995 * leave them 0.
1996 */
1997 if (procs[i].ki_flag & P_INMEM)
1998 {
1999 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
2000 + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
2001 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
2002 + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
2003 }
2005 /* no I/O data */
2006 pse.io_rchar = -1;
2007 pse.io_wchar = -1;
2008 pse.io_syscr = -1;
2009 pse.io_syscw = -1;
2011 /* context switch counters not implemented */
2012 pse.cswitch_vol = -1;
2013 pse.cswitch_invol = -1;
2015 ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
2017 switch (procs[i].ki_stat)
2018 {
2019 case SSTOP: stopped++; break;
2020 case SSLEEP: sleeping++; break;
2021 case SRUN: running++; break;
2022 case SIDL: idle++; break;
2023 case SWAIT: wait++; break;
2024 case SLOCK: blocked++; break;
2025 case SZOMB: zombies++; break;
2026 }
2027 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
2028 }
2030 kvm_close(kd);
2032 ps_submit_state ("running", running);
2033 ps_submit_state ("sleeping", sleeping);
2034 ps_submit_state ("zombies", zombies);
2035 ps_submit_state ("stopped", stopped);
2036 ps_submit_state ("blocked", blocked);
2037 ps_submit_state ("idle", idle);
2038 ps_submit_state ("wait", wait);
2040 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2041 ps_submit_proc_list (ps_ptr);
2042 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
2044 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD
2045 int running = 0;
2046 int sleeping = 0;
2047 int zombies = 0;
2048 int stopped = 0;
2049 int onproc = 0;
2050 int idle = 0;
2051 int dead = 0;
2053 kvm_t *kd;
2054 char errbuf[1024];
2055 struct kinfo_proc *procs; /* array of processes */
2056 struct kinfo_proc *proc_ptr = NULL;
2057 int count; /* returns number of processes */
2059 procstat_entry_t pse;
2061 ps_list_reset ();
2063 /* Open the kvm interface, get a descriptor */
2064 kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
2065 if (kd == NULL)
2066 {
2067 ERROR ("processes plugin: Cannot open kvm interface: %s",
2068 errbuf);
2069 return (0);
2070 }
2072 /* Get the list of processes. */
2073 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
2074 if (procs == NULL)
2075 {
2076 ERROR ("processes plugin: Cannot get kvm processes list: %s",
2077 kvm_geterr(kd));
2078 kvm_close (kd);
2079 return (0);
2080 }
2082 /* Iterate through the processes in kinfo_proc */
2083 for (int i = 0; i < count; i++)
2084 {
2085 /* Create only one process list entry per _process_, i.e.
2086 * filter out threads (duplicate PID entries). */
2087 if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid))
2088 {
2089 char cmdline[CMDLINE_BUFFER_SIZE] = "";
2090 _Bool have_cmdline = 0;
2092 proc_ptr = &(procs[i]);
2093 /* Don't probe zombie processes */
2094 if (!P_ZOMBIE(proc_ptr))
2095 {
2096 char **argv;
2097 int argc;
2098 int status;
2100 /* retrieve the arguments */
2101 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
2102 argc = 0;
2103 if ((argv != NULL) && (argv[0] != NULL))
2104 {
2105 while (argv[argc] != NULL)
2106 argc++;
2108 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
2109 if (status < 0)
2110 WARNING ("processes plugin: Command line did not fit into buffer.");
2111 else
2112 have_cmdline = 1;
2113 }
2114 } /* if (process has argument list) */
2116 memset (&pse, 0, sizeof (pse));
2117 pse.id = procs[i].p_pid;
2118 pse.age = 0;
2120 pse.num_proc = 1;
2121 pse.num_lwp = 1; /* XXX: accumulate p_tid values for a single p_pid ? */
2123 pse.vmem_rss = procs[i].p_vm_rssize * pagesize;
2124 pse.vmem_data = procs[i].p_vm_dsize * pagesize;
2125 pse.vmem_code = procs[i].p_vm_tsize * pagesize;
2126 pse.stack_size = procs[i].p_vm_ssize * pagesize;
2127 pse.vmem_size = pse.stack_size + pse.vmem_code + pse.vmem_data;
2128 pse.vmem_minflt = 0;
2129 pse.vmem_minflt_counter = procs[i].p_uru_minflt;
2130 pse.vmem_majflt = 0;
2131 pse.vmem_majflt_counter = procs[i].p_uru_majflt;
2133 pse.cpu_user = 0;
2134 pse.cpu_system = 0;
2135 pse.cpu_user_counter = procs[i].p_uutime_usec +
2136 (1000000lu * procs[i].p_uutime_sec);
2137 pse.cpu_system_counter = procs[i].p_ustime_usec +
2138 (1000000lu * procs[i].p_ustime_sec);
2140 /* no I/O data */
2141 pse.io_rchar = -1;
2142 pse.io_wchar = -1;
2143 pse.io_syscr = -1;
2144 pse.io_syscw = -1;
2146 /* context switch counters not implemented */
2147 pse.cswitch_vol = -1;
2148 pse.cswitch_invol = -1;
2150 ps_list_add (procs[i].p_comm, have_cmdline ? cmdline : NULL, &pse);
2152 switch (procs[i].p_stat)
2153 {
2154 case SSTOP: stopped++; break;
2155 case SSLEEP: sleeping++; break;
2156 case SRUN: running++; break;
2157 case SIDL: idle++; break;
2158 case SONPROC: onproc++; break;
2159 case SDEAD: dead++; break;
2160 case SZOMB: zombies++; break;
2161 }
2162 } /* if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) */
2163 }
2165 kvm_close(kd);
2167 ps_submit_state ("running", running);
2168 ps_submit_state ("sleeping", sleeping);
2169 ps_submit_state ("zombies", zombies);
2170 ps_submit_state ("stopped", stopped);
2171 ps_submit_state ("onproc", onproc);
2172 ps_submit_state ("idle", idle);
2173 ps_submit_state ("dead", dead);
2175 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2176 ps_submit_proc_list (ps_ptr);
2177 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD */
2179 #elif HAVE_PROCINFO_H
2180 /* AIX */
2181 int running = 0;
2182 int sleeping = 0;
2183 int zombies = 0;
2184 int stopped = 0;
2185 int paging = 0;
2186 int blocked = 0;
2188 pid_t pindex = 0;
2189 int nprocs;
2191 procstat_entry_t pse;
2193 ps_list_reset ();
2194 while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
2195 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
2196 &pindex, MAXPROCENTRY)) > 0)
2197 {
2198 for (int i = 0; i < nprocs; i++)
2199 {
2200 tid64_t thindex;
2201 int nthreads;
2202 char arglist[MAXARGLN+1];
2203 char *cargs;
2204 char *cmdline;
2206 if (procentry[i].pi_state == SNONE) continue;
2207 /* if (procentry[i].pi_state == SZOMB) FIXME */
2209 cmdline = procentry[i].pi_comm;
2210 cargs = procentry[i].pi_comm;
2211 if ( procentry[i].pi_flags & SKPROC )
2212 {
2213 if (procentry[i].pi_pid == 0)
2214 cmdline = "swapper";
2215 cargs = cmdline;
2216 }
2217 else
2218 {
2219 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
2220 {
2221 int n;
2223 n = -1;
2224 while (++n < MAXARGLN)
2225 {
2226 if (arglist[n] == '\0')
2227 {
2228 if (arglist[n+1] == '\0')
2229 break;
2230 arglist[n] = ' ';
2231 }
2232 }
2233 cargs = arglist;
2234 }
2235 }
2237 pse.id = procentry[i].pi_pid;
2238 pse.age = 0;
2239 pse.num_lwp = procentry[i].pi_thcount;
2240 pse.num_proc = 1;
2242 thindex=0;
2243 while ((nthreads = getthrds64(procentry[i].pi_pid,
2244 thrdentry, sizeof(struct thrdentry64),
2245 &thindex, MAXTHRDENTRY)) > 0)
2246 {
2247 int j;
2249 for (j=0; j< nthreads; j++)
2250 {
2251 switch (thrdentry[j].ti_state)
2252 {
2253 /* case TSNONE: break; */
2254 case TSIDL: blocked++; break; /* FIXME is really blocked */
2255 case TSRUN: running++; break;
2256 case TSSLEEP: sleeping++; break;
2257 case TSSWAP: paging++; break;
2258 case TSSTOP: stopped++; break;
2259 case TSZOMB: zombies++; break;
2260 }
2261 }
2262 if (nthreads < MAXTHRDENTRY)
2263 break;
2264 }
2266 pse.cpu_user = 0;
2267 /* tv_usec is nanosec ??? */
2268 pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2269 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2271 pse.cpu_system = 0;
2272 /* tv_usec is nanosec ??? */
2273 pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2274 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2276 pse.vmem_minflt = 0;
2277 pse.vmem_minflt_counter = procentry[i].pi_minflt;
2278 pse.vmem_majflt = 0;
2279 pse.vmem_majflt_counter = procentry[i].pi_majflt;
2281 pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2282 pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2283 /* Not supported */
2284 pse.vmem_data = 0;
2285 pse.vmem_code = 0;
2286 pse.stack_size = 0;
2288 pse.io_rchar = -1;
2289 pse.io_wchar = -1;
2290 pse.io_syscr = -1;
2291 pse.io_syscw = -1;
2293 pse.cswitch_vol = -1;
2294 pse.cswitch_invol = -1;
2296 ps_list_add (cmdline, cargs, &pse);
2297 } /* for (i = 0 .. nprocs) */
2299 if (nprocs < MAXPROCENTRY)
2300 break;
2301 } /* while (getprocs64() > 0) */
2302 ps_submit_state ("running", running);
2303 ps_submit_state ("sleeping", sleeping);
2304 ps_submit_state ("zombies", zombies);
2305 ps_submit_state ("stopped", stopped);
2306 ps_submit_state ("paging", paging);
2307 ps_submit_state ("blocked", blocked);
2309 for (procstat_t *ps = list_head_g; ps != NULL; ps = ps->next)
2310 ps_submit_proc_list (ps);
2311 /* #endif HAVE_PROCINFO_H */
2313 #elif KERNEL_SOLARIS
2314 /*
2315 * The Solaris section adds a few more process states and removes some
2316 * process states compared to linux. Most notably there is no "PAGING"
2317 * and "BLOCKED" state for a process. The rest is similar to the linux
2318 * code.
2319 */
2320 int running = 0;
2321 int sleeping = 0;
2322 int zombies = 0;
2323 int stopped = 0;
2324 int detached = 0;
2325 int daemon = 0;
2326 int system = 0;
2327 int orphan = 0;
2329 struct dirent *ent;
2330 DIR *proc;
2332 int status;
2333 char state;
2335 char cmdline[PRARGSZ];
2337 ps_list_reset ();
2339 proc = opendir ("/proc");
2340 if (proc == NULL)
2341 return (-1);
2343 while ((ent = readdir(proc)) != NULL)
2344 {
2345 long pid;
2346 struct procstat ps;
2347 procstat_entry_t pse;
2348 char *endptr;
2350 if (!isdigit ((int) ent->d_name[0]))
2351 continue;
2353 pid = strtol (ent->d_name, &endptr, 10);
2354 if (*endptr != 0) /* value didn't completely parse as a number */
2355 continue;
2357 status = ps_read_process (pid, &ps, &state);
2358 if (status != 0)
2359 {
2360 DEBUG("ps_read_process failed: %i", status);
2361 continue;
2362 }
2364 memset (&pse, 0, sizeof (pse));
2365 pse.id = pid;
2366 pse.age = 0;
2368 pse.num_proc = ps.num_proc;
2369 pse.num_lwp = ps.num_lwp;
2370 pse.vmem_size = ps.vmem_size;
2371 pse.vmem_rss = ps.vmem_rss;
2372 pse.vmem_data = ps.vmem_data;
2373 pse.vmem_code = ps.vmem_code;
2374 pse.stack_size = ps.stack_size;
2376 pse.vmem_minflt = 0;
2377 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2378 pse.vmem_majflt = 0;
2379 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2381 pse.cpu_user = 0;
2382 pse.cpu_user_counter = ps.cpu_user_counter;
2383 pse.cpu_system = 0;
2384 pse.cpu_system_counter = ps.cpu_system_counter;
2386 pse.io_rchar = ps.io_rchar;
2387 pse.io_wchar = ps.io_wchar;
2388 pse.io_syscr = ps.io_syscr;
2389 pse.io_syscw = ps.io_syscw;
2391 pse.cswitch_vol = -1;
2392 pse.cswitch_invol = -1;
2394 switch (state)
2395 {
2396 case 'R': running++; break;
2397 case 'S': sleeping++; break;
2398 case 'E': detached++; break;
2399 case 'Z': zombies++; break;
2400 case 'T': stopped++; break;
2401 case 'A': daemon++; break;
2402 case 'Y': system++; break;
2403 case 'O': orphan++; break;
2404 }
2407 ps_list_add (ps.name,
2408 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
2409 &pse);
2410 } /* while(readdir) */
2411 closedir (proc);
2413 ps_submit_state ("running", running);
2414 ps_submit_state ("sleeping", sleeping);
2415 ps_submit_state ("zombies", zombies);
2416 ps_submit_state ("stopped", stopped);
2417 ps_submit_state ("detached", detached);
2418 ps_submit_state ("daemon", daemon);
2419 ps_submit_state ("system", system);
2420 ps_submit_state ("orphan", orphan);
2422 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2423 ps_submit_proc_list (ps_ptr);
2425 read_fork_rate();
2426 #endif /* KERNEL_SOLARIS */
2428 return (0);
2429 } /* int ps_read */
2431 void module_register (void)
2432 {
2433 plugin_register_complex_config ("processes", ps_config);
2434 plugin_register_init ("processes", ps_init);
2435 plugin_register_read ("processes", ps_read);
2436 } /* void module_register */