4e8ca273cdfee4f587d88244e1be9ccc5c29aae1
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.plugin, "processes", sizeof (vl.plugin));
668 sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
669 sstrncpy (vl.type, "ps_state", sizeof (vl.type));
670 sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
672 plugin_dispatch_values (&vl);
673 }
675 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
676 static void ps_submit_proc_list (procstat_t *ps)
677 {
678 value_list_t vl = VALUE_LIST_INIT;
679 value_t values[2];
681 vl.values = values;
682 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
683 sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
685 sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
686 vl.values[0].gauge = ps->vmem_size;
687 vl.values_len = 1;
688 plugin_dispatch_values (&vl);
690 sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
691 vl.values[0].gauge = ps->vmem_rss;
692 vl.values_len = 1;
693 plugin_dispatch_values (&vl);
695 sstrncpy (vl.type, "ps_data", sizeof (vl.type));
696 vl.values[0].gauge = ps->vmem_data;
697 vl.values_len = 1;
698 plugin_dispatch_values (&vl);
700 sstrncpy (vl.type, "ps_code", sizeof (vl.type));
701 vl.values[0].gauge = ps->vmem_code;
702 vl.values_len = 1;
703 plugin_dispatch_values (&vl);
705 sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
706 vl.values[0].gauge = ps->stack_size;
707 vl.values_len = 1;
708 plugin_dispatch_values (&vl);
710 sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
711 vl.values[0].derive = ps->cpu_user_counter;
712 vl.values[1].derive = ps->cpu_system_counter;
713 vl.values_len = 2;
714 plugin_dispatch_values (&vl);
716 sstrncpy (vl.type, "ps_count", sizeof (vl.type));
717 vl.values[0].gauge = ps->num_proc;
718 vl.values[1].gauge = ps->num_lwp;
719 vl.values_len = 2;
720 plugin_dispatch_values (&vl);
722 sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
723 vl.values[0].derive = ps->vmem_minflt_counter;
724 vl.values[1].derive = ps->vmem_majflt_counter;
725 vl.values_len = 2;
726 plugin_dispatch_values (&vl);
728 if ( (ps->io_rchar != -1) && (ps->io_wchar != -1) )
729 {
730 sstrncpy (vl.type, "ps_disk_octets", sizeof (vl.type));
731 vl.values[0].derive = ps->io_rchar;
732 vl.values[1].derive = ps->io_wchar;
733 vl.values_len = 2;
734 plugin_dispatch_values (&vl);
735 }
737 if ( (ps->io_syscr != -1) && (ps->io_syscw != -1) )
738 {
739 sstrncpy (vl.type, "ps_disk_ops", sizeof (vl.type));
740 vl.values[0].derive = ps->io_syscr;
741 vl.values[1].derive = ps->io_syscw;
742 vl.values_len = 2;
743 plugin_dispatch_values (&vl);
744 }
746 if ( report_ctx_switch )
747 {
748 sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
749 sstrncpy (vl.type_instance, "voluntary", sizeof (vl.type_instance));
750 vl.values[0].derive = ps->cswitch_vol;
751 vl.values_len = 1;
752 plugin_dispatch_values (&vl);
754 sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
755 sstrncpy (vl.type_instance, "involuntary", sizeof (vl.type_instance));
756 vl.values[0].derive = ps->cswitch_invol;
757 vl.values_len = 1;
758 plugin_dispatch_values (&vl);
759 }
761 DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
762 "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
763 "vmem_code = %lu; "
764 "vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
765 "cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
766 "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
767 "io_syscr = %"PRIi64"; io_syscw = %"PRIi64"; "
768 "cswitch_vol = %"PRIi64"; cswitch_invol = %"PRIi64";",
769 ps->name, ps->num_proc, ps->num_lwp,
770 ps->vmem_size, ps->vmem_rss,
771 ps->vmem_data, ps->vmem_code,
772 ps->vmem_minflt_counter, ps->vmem_majflt_counter,
773 ps->cpu_user_counter, ps->cpu_system_counter,
774 ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw,
775 ps->cswitch_vol, ps->cswitch_invol);
776 } /* void ps_submit_proc_list */
778 #if KERNEL_LINUX || KERNEL_SOLARIS
779 static void ps_submit_fork_rate (derive_t value)
780 {
781 value_list_t vl = VALUE_LIST_INIT;
783 vl.values = &(value_t) { .derive = value };
784 vl.values_len = 1;
785 sstrncpy(vl.plugin, "processes", sizeof (vl.plugin));
786 sstrncpy(vl.plugin_instance, "", sizeof (vl.plugin_instance));
787 sstrncpy(vl.type, "fork_rate", sizeof (vl.type));
788 sstrncpy(vl.type_instance, "", sizeof (vl.type_instance));
790 plugin_dispatch_values(&vl);
791 }
792 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
794 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
795 #if KERNEL_LINUX
796 static procstat_t *ps_read_tasks_status (long pid, procstat_t *ps)
797 {
798 char dirname[64];
799 DIR *dh;
800 char filename[64];
801 FILE *fh;
802 struct dirent *ent;
803 derive_t cswitch_vol = 0;
804 derive_t cswitch_invol = 0;
805 char buffer[1024];
806 char *fields[8];
807 int numfields;
809 ssnprintf (dirname, sizeof (dirname), "/proc/%li/task", pid);
811 if ((dh = opendir (dirname)) == NULL)
812 {
813 DEBUG ("Failed to open directory `%s'", dirname);
814 return (NULL);
815 }
817 while ((ent = readdir (dh)) != NULL)
818 {
819 char *tpid;
821 if (!isdigit ((int) ent->d_name[0]))
822 continue;
824 tpid = ent->d_name;
826 ssnprintf (filename, sizeof (filename), "/proc/%li/task/%s/status", pid, tpid);
827 if ((fh = fopen (filename, "r")) == NULL)
828 {
829 DEBUG ("Failed to open file `%s'", filename);
830 continue;
831 }
833 while (fgets (buffer, sizeof(buffer), fh) != NULL)
834 {
835 derive_t tmp;
836 char *endptr;
838 if (strncmp (buffer, "voluntary_ctxt_switches", 23) != 0
839 && strncmp (buffer, "nonvoluntary_ctxt_switches", 26) != 0)
840 continue;
842 numfields = strsplit (buffer, fields,
843 STATIC_ARRAY_SIZE (fields));
845 if (numfields < 2)
846 continue;
848 errno = 0;
849 endptr = NULL;
850 tmp = (derive_t) strtoll (fields[1], &endptr, /* base = */ 10);
851 if ((errno == 0) && (endptr != fields[1]))
852 {
853 if (strncmp (buffer, "voluntary_ctxt_switches", 23) == 0)
854 {
855 cswitch_vol += tmp;
856 }
857 else if (strncmp (buffer, "nonvoluntary_ctxt_switches", 26) == 0)
858 {
859 cswitch_invol += tmp;
860 }
861 }
862 } /* while (fgets) */
864 if (fclose (fh))
865 {
866 char errbuf[1024];
867 WARNING ("processes: fclose: %s",
868 sstrerror (errno, errbuf, sizeof (errbuf)));
869 }
870 }
871 closedir (dh);
873 ps->cswitch_vol = cswitch_vol;
874 ps->cswitch_invol = cswitch_invol;
876 return (ps);
877 } /* int *ps_read_tasks_status */
879 /* Read data from /proc/pid/status */
880 static procstat_t *ps_read_status (long pid, procstat_t *ps)
881 {
882 FILE *fh;
883 char buffer[1024];
884 char filename[64];
885 unsigned long lib = 0;
886 unsigned long exe = 0;
887 unsigned long data = 0;
888 unsigned long threads = 0;
889 char *fields[8];
890 int numfields;
892 ssnprintf (filename, sizeof (filename), "/proc/%li/status", pid);
893 if ((fh = fopen (filename, "r")) == NULL)
894 return (NULL);
896 while (fgets (buffer, sizeof(buffer), fh) != NULL)
897 {
898 unsigned long tmp;
899 char *endptr;
901 if (strncmp (buffer, "Vm", 2) != 0
902 && strncmp (buffer, "Threads", 7) != 0)
903 continue;
905 numfields = strsplit (buffer, fields,
906 STATIC_ARRAY_SIZE (fields));
908 if (numfields < 2)
909 continue;
911 errno = 0;
912 endptr = NULL;
913 tmp = strtoul (fields[1], &endptr, /* base = */ 10);
914 if ((errno == 0) && (endptr != fields[1]))
915 {
916 if (strncmp (buffer, "VmData", 6) == 0)
917 {
918 data = tmp;
919 }
920 else if (strncmp (buffer, "VmLib", 5) == 0)
921 {
922 lib = tmp;
923 }
924 else if (strncmp(buffer, "VmExe", 5) == 0)
925 {
926 exe = tmp;
927 }
928 else if (strncmp(buffer, "Threads", 7) == 0)
929 {
930 threads = tmp;
931 }
932 }
933 } /* while (fgets) */
935 if (fclose (fh))
936 {
937 char errbuf[1024];
938 WARNING ("processes: fclose: %s",
939 sstrerror (errno, errbuf, sizeof (errbuf)));
940 }
942 ps->vmem_data = data * 1024;
943 ps->vmem_code = (exe + lib) * 1024;
944 if (threads != 0)
945 ps->num_lwp = threads;
947 return (ps);
948 } /* procstat_t *ps_read_vmem */
950 static procstat_t *ps_read_io (long pid, procstat_t *ps)
951 {
952 FILE *fh;
953 char buffer[1024];
954 char filename[64];
956 char *fields[8];
957 int numfields;
959 ssnprintf (filename, sizeof (filename), "/proc/%li/io", pid);
960 if ((fh = fopen (filename, "r")) == NULL)
961 return (NULL);
963 while (fgets (buffer, sizeof (buffer), fh) != NULL)
964 {
965 derive_t *val = NULL;
966 long long tmp;
967 char *endptr;
969 if (strncasecmp (buffer, "rchar:", 6) == 0)
970 val = &(ps->io_rchar);
971 else if (strncasecmp (buffer, "wchar:", 6) == 0)
972 val = &(ps->io_wchar);
973 else if (strncasecmp (buffer, "syscr:", 6) == 0)
974 val = &(ps->io_syscr);
975 else if (strncasecmp (buffer, "syscw:", 6) == 0)
976 val = &(ps->io_syscw);
977 else
978 continue;
980 numfields = strsplit (buffer, fields,
981 STATIC_ARRAY_SIZE (fields));
983 if (numfields < 2)
984 continue;
986 errno = 0;
987 endptr = NULL;
988 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
989 if ((errno != 0) || (endptr == fields[1]))
990 *val = -1;
991 else
992 *val = (derive_t) tmp;
993 } /* while (fgets) */
995 if (fclose (fh))
996 {
997 char errbuf[1024];
998 WARNING ("processes: fclose: %s",
999 sstrerror (errno, errbuf, sizeof (errbuf)));
1000 }
1002 return (ps);
1003 } /* procstat_t *ps_read_io */
1005 static int ps_read_process (long pid, procstat_t *ps, char *state)
1006 {
1007 char filename[64];
1008 char buffer[1024];
1010 char *fields[64];
1011 char fields_len;
1013 size_t buffer_len;
1015 char *buffer_ptr;
1016 size_t name_start_pos;
1017 size_t name_end_pos;
1018 size_t name_len;
1020 derive_t cpu_user_counter;
1021 derive_t cpu_system_counter;
1022 long long unsigned vmem_size;
1023 long long unsigned vmem_rss;
1024 long long unsigned stack_size;
1026 ssize_t status;
1028 memset (ps, 0, sizeof (procstat_t));
1030 ssnprintf (filename, sizeof (filename), "/proc/%li/stat", pid);
1032 status = read_file_contents (filename, buffer, sizeof(buffer) - 1);
1033 if (status <= 0)
1034 return (-1);
1035 buffer_len = (size_t) status;
1036 buffer[buffer_len] = 0;
1038 /* The name of the process is enclosed in parens. Since the name can
1039 * contain parens itself, spaces, numbers and pretty much everything
1040 * else, use these to determine the process name. We don't use
1041 * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
1042 * otherwise be required to determine name_len. */
1043 name_start_pos = 0;
1044 while (name_start_pos < buffer_len && buffer[name_start_pos] != '(')
1045 name_start_pos++;
1047 name_end_pos = buffer_len;
1048 while (name_end_pos > 0 && buffer[name_end_pos] != ')')
1049 name_end_pos--;
1051 /* Either '(' or ')' is not found or they are in the wrong order.
1052 * Anyway, something weird that shouldn't happen ever. */
1053 if (name_start_pos >= name_end_pos)
1054 {
1055 ERROR ("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
1056 name_start_pos, name_end_pos);
1057 return (-1);
1058 }
1060 name_len = (name_end_pos - name_start_pos) - 1;
1061 if (name_len >= sizeof (ps->name))
1062 name_len = sizeof (ps->name) - 1;
1064 sstrncpy (ps->name, &buffer[name_start_pos + 1], name_len + 1);
1066 if ((buffer_len - name_end_pos) < 2)
1067 return (-1);
1068 buffer_ptr = &buffer[name_end_pos + 2];
1070 fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
1071 if (fields_len < 22)
1072 {
1073 DEBUG ("processes plugin: ps_read_process (pid = %li):"
1074 " `%s' has only %i fields..",
1075 pid, filename, fields_len);
1076 return (-1);
1077 }
1079 *state = fields[0][0];
1081 if (*state == 'Z')
1082 {
1083 ps->num_lwp = 0;
1084 ps->num_proc = 0;
1085 }
1086 else
1087 {
1088 ps->num_lwp = strtoul (fields[17], /* endptr = */ NULL, /* base = */ 10);
1089 if ((ps_read_status(pid, ps)) == NULL)
1090 {
1091 /* No VMem data */
1092 ps->vmem_data = -1;
1093 ps->vmem_code = -1;
1094 DEBUG("ps_read_process: did not get vmem data for pid %li", pid);
1095 }
1096 if (ps->num_lwp == 0)
1097 ps->num_lwp = 1;
1098 ps->num_proc = 1;
1099 }
1101 /* Leave the rest at zero if this is only a zombi */
1102 if (ps->num_proc == 0)
1103 {
1104 DEBUG ("processes plugin: This is only a zombie: pid = %li; "
1105 "name = %s;", pid, ps->name);
1106 return (0);
1107 }
1109 cpu_user_counter = atoll (fields[11]);
1110 cpu_system_counter = atoll (fields[12]);
1111 vmem_size = atoll (fields[20]);
1112 vmem_rss = atoll (fields[21]);
1113 ps->vmem_minflt_counter = atol (fields[7]);
1114 ps->vmem_majflt_counter = atol (fields[9]);
1116 {
1117 unsigned long long stack_start = atoll (fields[25]);
1118 unsigned long long stack_ptr = atoll (fields[26]);
1120 stack_size = (stack_start > stack_ptr)
1121 ? stack_start - stack_ptr
1122 : stack_ptr - stack_start;
1123 }
1125 /* Convert jiffies to useconds */
1126 cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
1127 cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1128 vmem_rss = vmem_rss * pagesize_g;
1130 ps->cpu_user_counter = cpu_user_counter;
1131 ps->cpu_system_counter = cpu_system_counter;
1132 ps->vmem_size = (unsigned long) vmem_size;
1133 ps->vmem_rss = (unsigned long) vmem_rss;
1134 ps->stack_size = (unsigned long) stack_size;
1136 if ( (ps_read_io (pid, ps)) == NULL)
1137 {
1138 /* no io data */
1139 ps->io_rchar = -1;
1140 ps->io_wchar = -1;
1141 ps->io_syscr = -1;
1142 ps->io_syscw = -1;
1144 DEBUG("ps_read_process: not get io data for pid %li", pid);
1145 }
1147 if ( report_ctx_switch )
1148 {
1149 if ( (ps_read_tasks_status(pid, ps)) == NULL)
1150 {
1151 ps->cswitch_vol = -1;
1152 ps->cswitch_invol = -1;
1154 DEBUG("ps_read_tasks_status: not get context "
1155 "switch data for pid %li", pid);
1156 }
1157 }
1159 /* success */
1160 return (0);
1161 } /* int ps_read_process (...) */
1163 static char *ps_get_cmdline (long pid, char *name, char *buf, size_t buf_len)
1164 {
1165 char *buf_ptr;
1166 size_t len;
1168 char file[PATH_MAX];
1169 int fd;
1171 size_t n;
1173 if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1174 return NULL;
1176 ssnprintf (file, sizeof (file), "/proc/%li/cmdline", pid);
1178 errno = 0;
1179 fd = open (file, O_RDONLY);
1180 if (fd < 0) {
1181 char errbuf[4096];
1182 /* ENOENT means the process exited while we were handling it.
1183 * Don't complain about this, it only fills the logs. */
1184 if (errno != ENOENT)
1185 WARNING ("processes plugin: Failed to open `%s': %s.", file,
1186 sstrerror (errno, errbuf, sizeof (errbuf)));
1187 return NULL;
1188 }
1190 buf_ptr = buf;
1191 len = buf_len;
1193 n = 0;
1195 while (42) {
1196 ssize_t status;
1198 status = read (fd, (void *)buf_ptr, len);
1200 if (status < 0) {
1201 char errbuf[1024];
1203 if ((EAGAIN == errno) || (EINTR == errno))
1204 continue;
1206 WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1207 sstrerror (errno, errbuf, sizeof (errbuf)));
1208 close (fd);
1209 return NULL;
1210 }
1212 n += status;
1214 if (status == 0)
1215 break;
1217 buf_ptr += status;
1218 len -= status;
1220 if (len == 0)
1221 break;
1222 }
1224 close (fd);
1226 if (0 == n) {
1227 /* cmdline not available; e.g. kernel thread, zombie */
1228 if (NULL == name)
1229 return NULL;
1231 ssnprintf (buf, buf_len, "[%s]", name);
1232 return buf;
1233 }
1235 assert (n <= buf_len);
1237 if (n == buf_len)
1238 --n;
1239 buf[n] = '\0';
1241 --n;
1242 /* remove trailing whitespace */
1243 while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1244 buf[n] = '\0';
1245 --n;
1246 }
1248 /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1249 while (n > 0) {
1250 if ('\0' == buf[n])
1251 buf[n] = ' ';
1252 --n;
1253 }
1254 return buf;
1255 } /* char *ps_get_cmdline (...) */
1257 static int read_fork_rate (void)
1258 {
1259 FILE *proc_stat;
1260 char buffer[1024];
1261 value_t value;
1262 _Bool value_valid = 0;
1264 proc_stat = fopen ("/proc/stat", "r");
1265 if (proc_stat == NULL)
1266 {
1267 char errbuf[1024];
1268 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1269 sstrerror (errno, errbuf, sizeof (errbuf)));
1270 return (-1);
1271 }
1273 while (fgets (buffer, sizeof (buffer), proc_stat) != NULL)
1274 {
1275 int status;
1276 char *fields[3];
1277 int fields_num;
1279 fields_num = strsplit (buffer, fields,
1280 STATIC_ARRAY_SIZE (fields));
1281 if (fields_num != 2)
1282 continue;
1284 if (strcmp ("processes", fields[0]) != 0)
1285 continue;
1287 status = parse_value (fields[1], &value, DS_TYPE_DERIVE);
1288 if (status == 0)
1289 value_valid = 1;
1291 break;
1292 }
1293 fclose(proc_stat);
1295 if (!value_valid)
1296 return (-1);
1298 ps_submit_fork_rate (value.derive);
1299 return (0);
1300 }
1301 #endif /*KERNEL_LINUX */
1303 #if KERNEL_SOLARIS
1304 static char *ps_get_cmdline (long pid, char *name __attribute__((unused)), /* {{{ */
1305 char *buffer, size_t buffer_size)
1306 {
1307 char path[PATH_MAX];
1308 psinfo_t info;
1309 ssize_t status;
1311 snprintf(path, sizeof (path), "/proc/%li/psinfo", pid);
1313 status = read_file_contents (path, (void *) &info, sizeof (info));
1314 if ((status < 0) || (((size_t) status) != sizeof (info)))
1315 {
1316 ERROR ("processes plugin: Unexpected return value "
1317 "while reading \"%s\": "
1318 "Returned %zd but expected %zu.",
1319 path, status, buffer_size);
1320 return (NULL);
1321 }
1323 info.pr_psargs[sizeof (info.pr_psargs) - 1] = 0;
1324 sstrncpy (buffer, info.pr_psargs, buffer_size);
1326 return (buffer);
1327 } /* }}} int ps_get_cmdline */
1329 /*
1330 * Reads process information on the Solaris OS. The information comes mainly from
1331 * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1332 * The values for input and ouput chars are calculated "by hand"
1333 * Added a few "solaris" specific process states as well
1334 */
1335 static int ps_read_process(long pid, procstat_t *ps, char *state)
1336 {
1337 char filename[64];
1338 char f_psinfo[64], f_usage[64];
1339 char *buffer;
1341 pstatus_t *myStatus;
1342 psinfo_t *myInfo;
1343 prusage_t *myUsage;
1345 snprintf(filename, sizeof (filename), "/proc/%li/status", pid);
1346 snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%li/psinfo", pid);
1347 snprintf(f_usage, sizeof (f_usage), "/proc/%li/usage", pid);
1350 buffer = calloc(1, sizeof (pstatus_t));
1351 read_file_contents(filename, buffer, sizeof (pstatus_t));
1352 myStatus = (pstatus_t *) buffer;
1354 buffer = calloc(1, sizeof (psinfo_t));
1355 read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1356 myInfo = (psinfo_t *) buffer;
1358 buffer = calloc(1, sizeof (prusage_t));
1359 read_file_contents(f_usage, buffer, sizeof (prusage_t));
1360 myUsage = (prusage_t *) buffer;
1362 sstrncpy(ps->name, myInfo->pr_fname, sizeof (myInfo->pr_fname));
1363 ps->num_lwp = myStatus->pr_nlwp;
1364 if (myInfo->pr_wstat != 0) {
1365 ps->num_proc = 0;
1366 ps->num_lwp = 0;
1367 *state = (char) 'Z';
1369 sfree(myStatus);
1370 sfree(myInfo);
1371 sfree(myUsage);
1372 return (0);
1373 } else {
1374 ps->num_proc = 1;
1375 ps->num_lwp = myInfo->pr_nlwp;
1376 }
1378 /*
1379 * Convert system time and user time from nanoseconds to microseconds
1380 * for compatibility with the linux module
1381 */
1382 ps->cpu_system_counter = myStatus -> pr_stime.tv_nsec / 1000;
1383 ps->cpu_user_counter = myStatus -> pr_utime.tv_nsec / 1000;
1385 /*
1386 * Convert rssize from KB to bytes to be consistent w/ the linux module
1387 */
1388 ps->vmem_rss = myInfo->pr_rssize * 1024;
1389 ps->vmem_size = myInfo->pr_size * 1024;
1390 ps->vmem_minflt_counter = myUsage->pr_minf;
1391 ps->vmem_majflt_counter = myUsage->pr_majf;
1393 /*
1394 * TODO: Data and code segment calculations for Solaris
1395 */
1397 ps->vmem_data = -1;
1398 ps->vmem_code = -1;
1399 ps->stack_size = myStatus->pr_stksize;
1401 /*
1402 * Calculating input/ouput chars
1403 * Formula used is total chars / total blocks => chars/block
1404 * then convert input/output blocks to chars
1405 */
1406 ulong_t tot_chars = myUsage->pr_ioch;
1407 ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1408 ulong_t chars_per_block = 1;
1409 if (tot_blocks != 0)
1410 chars_per_block = tot_chars / tot_blocks;
1411 ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1412 ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1413 ps->io_syscr = myUsage->pr_sysc;
1414 ps->io_syscw = myUsage->pr_sysc;
1416 /*
1417 * TODO: context switch counters for Solaris
1418 */
1419 ps->cswitch_vol = -1;
1420 ps->cswitch_invol = -1;
1423 /*
1424 * TODO: Find way of setting BLOCKED and PAGING status
1425 */
1427 *state = (char) 'R';
1428 if (myStatus->pr_flags & PR_ASLEEP)
1429 *state = (char) 'S';
1430 else if (myStatus->pr_flags & PR_STOPPED)
1431 *state = (char) 'T';
1432 else if (myStatus->pr_flags & PR_DETACH)
1433 *state = (char) 'E';
1434 else if (myStatus->pr_flags & PR_DAEMON)
1435 *state = (char) 'A';
1436 else if (myStatus->pr_flags & PR_ISSYS)
1437 *state = (char) 'Y';
1438 else if (myStatus->pr_flags & PR_ORPHAN)
1439 *state = (char) 'O';
1441 sfree(myStatus);
1442 sfree(myInfo);
1443 sfree(myUsage);
1445 return (0);
1446 }
1448 /*
1449 * Reads the number of threads created since the last reboot. On Solaris these
1450 * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1451 * The result is the sum for all the threads created on each cpu
1452 */
1453 static int read_fork_rate (void)
1454 {
1455 extern kstat_ctl_t *kc;
1456 derive_t result = 0;
1458 if (kc == NULL)
1459 return (-1);
1461 for (kstat_t *ksp_chain = kc->kc_chain;
1462 ksp_chain != NULL;
1463 ksp_chain = ksp_chain->ks_next)
1464 {
1465 if ((strcmp (ksp_chain->ks_module, "cpu") == 0)
1466 && (strcmp (ksp_chain->ks_name, "sys") == 0)
1467 && (strcmp (ksp_chain->ks_class, "misc") == 0))
1468 {
1469 long long tmp;
1471 kstat_read (kc, ksp_chain, NULL);
1473 tmp = get_kstat_value(ksp_chain, "nthreads");
1474 if (tmp != -1LL)
1475 result += tmp;
1476 }
1477 }
1479 ps_submit_fork_rate (result);
1480 return (0);
1481 }
1482 #endif /* KERNEL_SOLARIS */
1484 #if HAVE_THREAD_INFO
1485 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1486 {
1487 int mib[4];
1489 struct kinfo_proc kp;
1490 size_t kp_size;
1492 mib[0] = CTL_KERN;
1493 mib[1] = KERN_PROC;
1494 mib[2] = KERN_PROC_PID;
1496 if (pid_for_task (t, pid) != KERN_SUCCESS)
1497 return (-1);
1498 mib[3] = *pid;
1500 kp_size = sizeof (kp);
1501 if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1502 return (-1);
1504 if (name_max_len > (MAXCOMLEN + 1))
1505 name_max_len = MAXCOMLEN + 1;
1507 strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1508 name[name_max_len - 1] = '\0';
1510 DEBUG ("pid = %i; name = %s;", *pid, name);
1512 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1513 * `top' does it, because it is a lot of work and only used when
1514 * debugging. -octo */
1516 return (0);
1517 }
1518 #endif /* HAVE_THREAD_INFO */
1519 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1521 /* do actual readings from kernel */
1522 static int ps_read (void)
1523 {
1524 #if HAVE_THREAD_INFO
1525 kern_return_t status;
1527 processor_set_t port_pset_priv;
1529 task_array_t task_list;
1530 mach_msg_type_number_t task_list_len;
1532 int task_pid;
1533 char task_name[MAXCOMLEN + 1];
1535 thread_act_array_t thread_list;
1536 mach_msg_type_number_t thread_list_len;
1537 thread_basic_info_data_t thread_data;
1538 mach_msg_type_number_t thread_data_len;
1540 int running = 0;
1541 int sleeping = 0;
1542 int zombies = 0;
1543 int stopped = 0;
1544 int blocked = 0;
1546 procstat_t *ps;
1547 procstat_entry_t pse;
1549 ps_list_reset ();
1551 /*
1552 * The Mach-concept is a little different from the traditional UNIX
1553 * concept: All the work is done in threads. Threads are contained in
1554 * `tasks'. Therefore, `task status' doesn't make much sense, since
1555 * it's actually a `thread status'.
1556 * Tasks are assigned to sets of processors, so that's where you go to
1557 * get a list.
1558 */
1559 for (mach_msg_type_number_t pset = 0; pset < pset_list_len; pset++)
1560 {
1561 if ((status = host_processor_set_priv (port_host_self,
1562 pset_list[pset],
1563 &port_pset_priv)) != KERN_SUCCESS)
1564 {
1565 ERROR ("host_processor_set_priv failed: %s\n",
1566 mach_error_string (status));
1567 continue;
1568 }
1570 if ((status = processor_set_tasks (port_pset_priv,
1571 &task_list,
1572 &task_list_len)) != KERN_SUCCESS)
1573 {
1574 ERROR ("processor_set_tasks failed: %s\n",
1575 mach_error_string (status));
1576 mach_port_deallocate (port_task_self, port_pset_priv);
1577 continue;
1578 }
1580 for (mach_msg_type_number_t task = 0; task < task_list_len; task++)
1581 {
1582 ps = NULL;
1583 if (mach_get_task_name (task_list[task],
1584 &task_pid,
1585 task_name, PROCSTAT_NAME_LEN) == 0)
1586 {
1587 /* search for at least one match */
1588 for (ps = list_head_g; ps != NULL; ps = ps->next)
1589 /* FIXME: cmdline should be here instead of NULL */
1590 if (ps_list_match (task_name, NULL, ps) == 1)
1591 break;
1592 }
1594 /* Collect more detailed statistics for this process */
1595 if (ps != NULL)
1596 {
1597 task_basic_info_data_t task_basic_info;
1598 mach_msg_type_number_t task_basic_info_len;
1599 task_events_info_data_t task_events_info;
1600 mach_msg_type_number_t task_events_info_len;
1601 task_absolutetime_info_data_t task_absolutetime_info;
1602 mach_msg_type_number_t task_absolutetime_info_len;
1604 memset (&pse, '\0', sizeof (pse));
1605 pse.id = task_pid;
1607 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1608 status = task_info (task_list[task],
1609 TASK_BASIC_INFO,
1610 (task_info_t) &task_basic_info,
1611 &task_basic_info_len);
1612 if (status != KERN_SUCCESS)
1613 {
1614 ERROR ("task_info failed: %s",
1615 mach_error_string (status));
1616 continue; /* with next thread_list */
1617 }
1619 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1620 status = task_info (task_list[task],
1621 TASK_EVENTS_INFO,
1622 (task_info_t) &task_events_info,
1623 &task_events_info_len);
1624 if (status != KERN_SUCCESS)
1625 {
1626 ERROR ("task_info failed: %s",
1627 mach_error_string (status));
1628 continue; /* with next thread_list */
1629 }
1631 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1632 status = task_info (task_list[task],
1633 TASK_ABSOLUTETIME_INFO,
1634 (task_info_t) &task_absolutetime_info,
1635 &task_absolutetime_info_len);
1636 if (status != KERN_SUCCESS)
1637 {
1638 ERROR ("task_info failed: %s",
1639 mach_error_string (status));
1640 continue; /* with next thread_list */
1641 }
1643 pse.num_proc++;
1644 pse.vmem_size = task_basic_info.virtual_size;
1645 pse.vmem_rss = task_basic_info.resident_size;
1646 /* Does not seem to be easily exposed */
1647 pse.vmem_data = 0;
1648 pse.vmem_code = 0;
1650 pse.vmem_minflt_counter = task_events_info.cow_faults;
1651 pse.vmem_majflt_counter = task_events_info.faults;
1653 pse.cpu_user_counter = task_absolutetime_info.total_user;
1654 pse.cpu_system_counter = task_absolutetime_info.total_system;
1656 /* context switch counters not implemented */
1657 pse.cswitch_vol = -1;
1658 pse.cswitch_invol = -1;
1659 }
1661 status = task_threads (task_list[task], &thread_list,
1662 &thread_list_len);
1663 if (status != KERN_SUCCESS)
1664 {
1665 /* Apple's `top' treats this case a zombie. It
1666 * makes sense to some extend: A `zombie'
1667 * thread is nonsense, since the task/process
1668 * is dead. */
1669 zombies++;
1670 DEBUG ("task_threads failed: %s",
1671 mach_error_string (status));
1672 if (task_list[task] != port_task_self)
1673 mach_port_deallocate (port_task_self,
1674 task_list[task]);
1675 continue; /* with next task_list */
1676 }
1678 for (mach_msg_type_number_t thread = 0; thread < thread_list_len; thread++)
1679 {
1680 thread_data_len = THREAD_BASIC_INFO_COUNT;
1681 status = thread_info (thread_list[thread],
1682 THREAD_BASIC_INFO,
1683 (thread_info_t) &thread_data,
1684 &thread_data_len);
1685 if (status != KERN_SUCCESS)
1686 {
1687 ERROR ("thread_info failed: %s",
1688 mach_error_string (status));
1689 if (task_list[task] != port_task_self)
1690 mach_port_deallocate (port_task_self,
1691 thread_list[thread]);
1692 continue; /* with next thread_list */
1693 }
1695 if (ps != NULL)
1696 pse.num_lwp++;
1698 switch (thread_data.run_state)
1699 {
1700 case TH_STATE_RUNNING:
1701 running++;
1702 break;
1703 case TH_STATE_STOPPED:
1704 /* What exactly is `halted'? */
1705 case TH_STATE_HALTED:
1706 stopped++;
1707 break;
1708 case TH_STATE_WAITING:
1709 sleeping++;
1710 break;
1711 case TH_STATE_UNINTERRUPTIBLE:
1712 blocked++;
1713 break;
1714 /* There is no `zombie' case here,
1715 * since there are no zombie-threads.
1716 * There's only zombie tasks, which are
1717 * handled above. */
1718 default:
1719 WARNING ("Unknown thread status: %i",
1720 thread_data.run_state);
1721 break;
1722 } /* switch (thread_data.run_state) */
1724 if (task_list[task] != port_task_self)
1725 {
1726 status = mach_port_deallocate (port_task_self,
1727 thread_list[thread]);
1728 if (status != KERN_SUCCESS)
1729 ERROR ("mach_port_deallocate failed: %s",
1730 mach_error_string (status));
1731 }
1732 } /* for (thread_list) */
1734 if ((status = vm_deallocate (port_task_self,
1735 (vm_address_t) thread_list,
1736 thread_list_len * sizeof (thread_act_t)))
1737 != KERN_SUCCESS)
1738 {
1739 ERROR ("vm_deallocate failed: %s",
1740 mach_error_string (status));
1741 }
1742 thread_list = NULL;
1743 thread_list_len = 0;
1745 /* Only deallocate the task port, if it isn't our own.
1746 * Don't know what would happen in that case, but this
1747 * is what Apple's top does.. ;) */
1748 if (task_list[task] != port_task_self)
1749 {
1750 status = mach_port_deallocate (port_task_self,
1751 task_list[task]);
1752 if (status != KERN_SUCCESS)
1753 ERROR ("mach_port_deallocate failed: %s",
1754 mach_error_string (status));
1755 }
1757 if (ps != NULL)
1758 /* FIXME: cmdline should be here instead of NULL */
1759 ps_list_add (task_name, NULL, &pse);
1760 } /* for (task_list) */
1762 if ((status = vm_deallocate (port_task_self,
1763 (vm_address_t) task_list,
1764 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1765 {
1766 ERROR ("vm_deallocate failed: %s",
1767 mach_error_string (status));
1768 }
1769 task_list = NULL;
1770 task_list_len = 0;
1772 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1773 != KERN_SUCCESS)
1774 {
1775 ERROR ("mach_port_deallocate failed: %s",
1776 mach_error_string (status));
1777 }
1778 } /* for (pset_list) */
1780 ps_submit_state ("running", running);
1781 ps_submit_state ("sleeping", sleeping);
1782 ps_submit_state ("zombies", zombies);
1783 ps_submit_state ("stopped", stopped);
1784 ps_submit_state ("blocked", blocked);
1786 for (ps = list_head_g; ps != NULL; ps = ps->next)
1787 ps_submit_proc_list (ps);
1788 /* #endif HAVE_THREAD_INFO */
1790 #elif KERNEL_LINUX
1791 int running = 0;
1792 int sleeping = 0;
1793 int zombies = 0;
1794 int stopped = 0;
1795 int paging = 0;
1796 int blocked = 0;
1798 struct dirent *ent;
1799 DIR *proc;
1800 long pid;
1802 char cmdline[CMDLINE_BUFFER_SIZE];
1804 int status;
1805 procstat_t ps;
1806 procstat_entry_t pse;
1807 char state;
1809 running = sleeping = zombies = stopped = paging = blocked = 0;
1810 ps_list_reset ();
1812 if ((proc = opendir ("/proc")) == NULL)
1813 {
1814 char errbuf[1024];
1815 ERROR ("Cannot open `/proc': %s",
1816 sstrerror (errno, errbuf, sizeof (errbuf)));
1817 return (-1);
1818 }
1820 while ((ent = readdir (proc)) != NULL)
1821 {
1822 if (!isdigit (ent->d_name[0]))
1823 continue;
1825 if ((pid = atol (ent->d_name)) < 1)
1826 continue;
1828 status = ps_read_process (pid, &ps, &state);
1829 if (status != 0)
1830 {
1831 DEBUG ("ps_read_process failed: %i", status);
1832 continue;
1833 }
1835 memset (&pse, 0, sizeof (pse));
1836 pse.id = pid;
1837 pse.age = 0;
1839 pse.num_proc = ps.num_proc;
1840 pse.num_lwp = ps.num_lwp;
1841 pse.vmem_size = ps.vmem_size;
1842 pse.vmem_rss = ps.vmem_rss;
1843 pse.vmem_data = ps.vmem_data;
1844 pse.vmem_code = ps.vmem_code;
1845 pse.stack_size = ps.stack_size;
1847 pse.vmem_minflt = 0;
1848 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1849 pse.vmem_majflt = 0;
1850 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1852 pse.cpu_user = 0;
1853 pse.cpu_user_counter = ps.cpu_user_counter;
1854 pse.cpu_system = 0;
1855 pse.cpu_system_counter = ps.cpu_system_counter;
1857 pse.io_rchar = ps.io_rchar;
1858 pse.io_wchar = ps.io_wchar;
1859 pse.io_syscr = ps.io_syscr;
1860 pse.io_syscw = ps.io_syscw;
1862 pse.cswitch_vol = ps.cswitch_vol;
1863 pse.cswitch_invol = ps.cswitch_invol;
1865 switch (state)
1866 {
1867 case 'R': running++; break;
1868 case 'S': sleeping++; break;
1869 case 'D': blocked++; break;
1870 case 'Z': zombies++; break;
1871 case 'T': stopped++; break;
1872 case 'W': paging++; break;
1873 }
1875 ps_list_add (ps.name,
1876 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1877 &pse);
1878 }
1880 closedir (proc);
1882 ps_submit_state ("running", running);
1883 ps_submit_state ("sleeping", sleeping);
1884 ps_submit_state ("zombies", zombies);
1885 ps_submit_state ("stopped", stopped);
1886 ps_submit_state ("paging", paging);
1887 ps_submit_state ("blocked", blocked);
1889 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1890 ps_submit_proc_list (ps_ptr);
1892 read_fork_rate();
1893 /* #endif KERNEL_LINUX */
1895 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1896 int running = 0;
1897 int sleeping = 0;
1898 int zombies = 0;
1899 int stopped = 0;
1900 int blocked = 0;
1901 int idle = 0;
1902 int wait = 0;
1904 kvm_t *kd;
1905 char errbuf[_POSIX2_LINE_MAX];
1906 struct kinfo_proc *procs; /* array of processes */
1907 struct kinfo_proc *proc_ptr = NULL;
1908 int count; /* returns number of processes */
1910 procstat_entry_t pse;
1912 ps_list_reset ();
1914 /* Open the kvm interface, get a descriptor */
1915 kd = kvm_openfiles (NULL, "/dev/null", NULL, 0, errbuf);
1916 if (kd == NULL)
1917 {
1918 ERROR ("processes plugin: Cannot open kvm interface: %s",
1919 errbuf);
1920 return (0);
1921 }
1923 /* Get the list of processes. */
1924 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1925 if (procs == NULL)
1926 {
1927 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1928 kvm_geterr(kd));
1929 kvm_close (kd);
1930 return (0);
1931 }
1933 /* Iterate through the processes in kinfo_proc */
1934 for (int i = 0; i < count; i++)
1935 {
1936 /* Create only one process list entry per _process_, i.e.
1937 * filter out threads (duplicate PID entries). */
1938 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1939 {
1940 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1941 _Bool have_cmdline = 0;
1943 proc_ptr = &(procs[i]);
1944 /* Don't probe system processes and processes without arguments */
1945 if (((procs[i].ki_flag & P_SYSTEM) == 0)
1946 && (procs[i].ki_args != NULL))
1947 {
1948 char **argv;
1949 int argc;
1950 int status;
1952 /* retrieve the arguments */
1953 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1954 argc = 0;
1955 if ((argv != NULL) && (argv[0] != NULL))
1956 {
1957 while (argv[argc] != NULL)
1958 argc++;
1960 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1961 if (status < 0)
1962 WARNING ("processes plugin: Command line did not fit into buffer.");
1963 else
1964 have_cmdline = 1;
1965 }
1966 } /* if (process has argument list) */
1968 pse.id = procs[i].ki_pid;
1969 pse.age = 0;
1971 pse.num_proc = 1;
1972 pse.num_lwp = procs[i].ki_numthreads;
1974 pse.vmem_size = procs[i].ki_size;
1975 pse.vmem_rss = procs[i].ki_rssize * pagesize;
1976 pse.vmem_data = procs[i].ki_dsize * pagesize;
1977 pse.vmem_code = procs[i].ki_tsize * pagesize;
1978 pse.stack_size = procs[i].ki_ssize * pagesize;
1979 pse.vmem_minflt = 0;
1980 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1981 pse.vmem_majflt = 0;
1982 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1984 pse.cpu_user = 0;
1985 pse.cpu_system = 0;
1986 pse.cpu_user_counter = 0;
1987 pse.cpu_system_counter = 0;
1988 /*
1989 * The u-area might be swapped out, and we can't get
1990 * at it because we have a crashdump and no swap.
1991 * If it's here fill in these fields, otherwise, just
1992 * leave them 0.
1993 */
1994 if (procs[i].ki_flag & P_INMEM)
1995 {
1996 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
1997 + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
1998 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
1999 + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
2000 }
2002 /* no I/O data */
2003 pse.io_rchar = -1;
2004 pse.io_wchar = -1;
2005 pse.io_syscr = -1;
2006 pse.io_syscw = -1;
2008 /* context switch counters not implemented */
2009 pse.cswitch_vol = -1;
2010 pse.cswitch_invol = -1;
2012 ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
2014 switch (procs[i].ki_stat)
2015 {
2016 case SSTOP: stopped++; break;
2017 case SSLEEP: sleeping++; break;
2018 case SRUN: running++; break;
2019 case SIDL: idle++; break;
2020 case SWAIT: wait++; break;
2021 case SLOCK: blocked++; break;
2022 case SZOMB: zombies++; break;
2023 }
2024 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
2025 }
2027 kvm_close(kd);
2029 ps_submit_state ("running", running);
2030 ps_submit_state ("sleeping", sleeping);
2031 ps_submit_state ("zombies", zombies);
2032 ps_submit_state ("stopped", stopped);
2033 ps_submit_state ("blocked", blocked);
2034 ps_submit_state ("idle", idle);
2035 ps_submit_state ("wait", wait);
2037 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2038 ps_submit_proc_list (ps_ptr);
2039 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
2041 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD
2042 int running = 0;
2043 int sleeping = 0;
2044 int zombies = 0;
2045 int stopped = 0;
2046 int onproc = 0;
2047 int idle = 0;
2048 int dead = 0;
2050 kvm_t *kd;
2051 char errbuf[1024];
2052 struct kinfo_proc *procs; /* array of processes */
2053 struct kinfo_proc *proc_ptr = NULL;
2054 int count; /* returns number of processes */
2056 procstat_entry_t pse;
2058 ps_list_reset ();
2060 /* Open the kvm interface, get a descriptor */
2061 kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
2062 if (kd == NULL)
2063 {
2064 ERROR ("processes plugin: Cannot open kvm interface: %s",
2065 errbuf);
2066 return (0);
2067 }
2069 /* Get the list of processes. */
2070 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
2071 if (procs == NULL)
2072 {
2073 ERROR ("processes plugin: Cannot get kvm processes list: %s",
2074 kvm_geterr(kd));
2075 kvm_close (kd);
2076 return (0);
2077 }
2079 /* Iterate through the processes in kinfo_proc */
2080 for (int i = 0; i < count; i++)
2081 {
2082 /* Create only one process list entry per _process_, i.e.
2083 * filter out threads (duplicate PID entries). */
2084 if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid))
2085 {
2086 char cmdline[CMDLINE_BUFFER_SIZE] = "";
2087 _Bool have_cmdline = 0;
2089 proc_ptr = &(procs[i]);
2090 /* Don't probe zombie processes */
2091 if (!P_ZOMBIE(proc_ptr))
2092 {
2093 char **argv;
2094 int argc;
2095 int status;
2097 /* retrieve the arguments */
2098 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
2099 argc = 0;
2100 if ((argv != NULL) && (argv[0] != NULL))
2101 {
2102 while (argv[argc] != NULL)
2103 argc++;
2105 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
2106 if (status < 0)
2107 WARNING ("processes plugin: Command line did not fit into buffer.");
2108 else
2109 have_cmdline = 1;
2110 }
2111 } /* if (process has argument list) */
2113 memset (&pse, 0, sizeof (pse));
2114 pse.id = procs[i].p_pid;
2115 pse.age = 0;
2117 pse.num_proc = 1;
2118 pse.num_lwp = 1; /* XXX: accumulate p_tid values for a single p_pid ? */
2120 pse.vmem_rss = procs[i].p_vm_rssize * pagesize;
2121 pse.vmem_data = procs[i].p_vm_dsize * pagesize;
2122 pse.vmem_code = procs[i].p_vm_tsize * pagesize;
2123 pse.stack_size = procs[i].p_vm_ssize * pagesize;
2124 pse.vmem_size = pse.stack_size + pse.vmem_code + pse.vmem_data;
2125 pse.vmem_minflt = 0;
2126 pse.vmem_minflt_counter = procs[i].p_uru_minflt;
2127 pse.vmem_majflt = 0;
2128 pse.vmem_majflt_counter = procs[i].p_uru_majflt;
2130 pse.cpu_user = 0;
2131 pse.cpu_system = 0;
2132 pse.cpu_user_counter = procs[i].p_uutime_usec +
2133 (1000000lu * procs[i].p_uutime_sec);
2134 pse.cpu_system_counter = procs[i].p_ustime_usec +
2135 (1000000lu * procs[i].p_ustime_sec);
2137 /* no I/O data */
2138 pse.io_rchar = -1;
2139 pse.io_wchar = -1;
2140 pse.io_syscr = -1;
2141 pse.io_syscw = -1;
2143 /* context switch counters not implemented */
2144 pse.cswitch_vol = -1;
2145 pse.cswitch_invol = -1;
2147 ps_list_add (procs[i].p_comm, have_cmdline ? cmdline : NULL, &pse);
2149 switch (procs[i].p_stat)
2150 {
2151 case SSTOP: stopped++; break;
2152 case SSLEEP: sleeping++; break;
2153 case SRUN: running++; break;
2154 case SIDL: idle++; break;
2155 case SONPROC: onproc++; break;
2156 case SDEAD: dead++; break;
2157 case SZOMB: zombies++; break;
2158 }
2159 } /* if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) */
2160 }
2162 kvm_close(kd);
2164 ps_submit_state ("running", running);
2165 ps_submit_state ("sleeping", sleeping);
2166 ps_submit_state ("zombies", zombies);
2167 ps_submit_state ("stopped", stopped);
2168 ps_submit_state ("onproc", onproc);
2169 ps_submit_state ("idle", idle);
2170 ps_submit_state ("dead", dead);
2172 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2173 ps_submit_proc_list (ps_ptr);
2174 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD */
2176 #elif HAVE_PROCINFO_H
2177 /* AIX */
2178 int running = 0;
2179 int sleeping = 0;
2180 int zombies = 0;
2181 int stopped = 0;
2182 int paging = 0;
2183 int blocked = 0;
2185 pid_t pindex = 0;
2186 int nprocs;
2188 procstat_entry_t pse;
2190 ps_list_reset ();
2191 while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
2192 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
2193 &pindex, MAXPROCENTRY)) > 0)
2194 {
2195 for (int i = 0; i < nprocs; i++)
2196 {
2197 tid64_t thindex;
2198 int nthreads;
2199 char arglist[MAXARGLN+1];
2200 char *cargs;
2201 char *cmdline;
2203 if (procentry[i].pi_state == SNONE) continue;
2204 /* if (procentry[i].pi_state == SZOMB) FIXME */
2206 cmdline = procentry[i].pi_comm;
2207 cargs = procentry[i].pi_comm;
2208 if ( procentry[i].pi_flags & SKPROC )
2209 {
2210 if (procentry[i].pi_pid == 0)
2211 cmdline = "swapper";
2212 cargs = cmdline;
2213 }
2214 else
2215 {
2216 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
2217 {
2218 int n;
2220 n = -1;
2221 while (++n < MAXARGLN)
2222 {
2223 if (arglist[n] == '\0')
2224 {
2225 if (arglist[n+1] == '\0')
2226 break;
2227 arglist[n] = ' ';
2228 }
2229 }
2230 cargs = arglist;
2231 }
2232 }
2234 pse.id = procentry[i].pi_pid;
2235 pse.age = 0;
2236 pse.num_lwp = procentry[i].pi_thcount;
2237 pse.num_proc = 1;
2239 thindex=0;
2240 while ((nthreads = getthrds64(procentry[i].pi_pid,
2241 thrdentry, sizeof(struct thrdentry64),
2242 &thindex, MAXTHRDENTRY)) > 0)
2243 {
2244 int j;
2246 for (j=0; j< nthreads; j++)
2247 {
2248 switch (thrdentry[j].ti_state)
2249 {
2250 /* case TSNONE: break; */
2251 case TSIDL: blocked++; break; /* FIXME is really blocked */
2252 case TSRUN: running++; break;
2253 case TSSLEEP: sleeping++; break;
2254 case TSSWAP: paging++; break;
2255 case TSSTOP: stopped++; break;
2256 case TSZOMB: zombies++; break;
2257 }
2258 }
2259 if (nthreads < MAXTHRDENTRY)
2260 break;
2261 }
2263 pse.cpu_user = 0;
2264 /* tv_usec is nanosec ??? */
2265 pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2266 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2268 pse.cpu_system = 0;
2269 /* tv_usec is nanosec ??? */
2270 pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2271 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2273 pse.vmem_minflt = 0;
2274 pse.vmem_minflt_counter = procentry[i].pi_minflt;
2275 pse.vmem_majflt = 0;
2276 pse.vmem_majflt_counter = procentry[i].pi_majflt;
2278 pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2279 pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2280 /* Not supported */
2281 pse.vmem_data = 0;
2282 pse.vmem_code = 0;
2283 pse.stack_size = 0;
2285 pse.io_rchar = -1;
2286 pse.io_wchar = -1;
2287 pse.io_syscr = -1;
2288 pse.io_syscw = -1;
2290 pse.cswitch_vol = -1;
2291 pse.cswitch_invol = -1;
2293 ps_list_add (cmdline, cargs, &pse);
2294 } /* for (i = 0 .. nprocs) */
2296 if (nprocs < MAXPROCENTRY)
2297 break;
2298 } /* while (getprocs64() > 0) */
2299 ps_submit_state ("running", running);
2300 ps_submit_state ("sleeping", sleeping);
2301 ps_submit_state ("zombies", zombies);
2302 ps_submit_state ("stopped", stopped);
2303 ps_submit_state ("paging", paging);
2304 ps_submit_state ("blocked", blocked);
2306 for (procstat_t *ps = list_head_g; ps != NULL; ps = ps->next)
2307 ps_submit_proc_list (ps);
2308 /* #endif HAVE_PROCINFO_H */
2310 #elif KERNEL_SOLARIS
2311 /*
2312 * The Solaris section adds a few more process states and removes some
2313 * process states compared to linux. Most notably there is no "PAGING"
2314 * and "BLOCKED" state for a process. The rest is similar to the linux
2315 * code.
2316 */
2317 int running = 0;
2318 int sleeping = 0;
2319 int zombies = 0;
2320 int stopped = 0;
2321 int detached = 0;
2322 int daemon = 0;
2323 int system = 0;
2324 int orphan = 0;
2326 struct dirent *ent;
2327 DIR *proc;
2329 int status;
2330 char state;
2332 char cmdline[PRARGSZ];
2334 ps_list_reset ();
2336 proc = opendir ("/proc");
2337 if (proc == NULL)
2338 return (-1);
2340 while ((ent = readdir(proc)) != NULL)
2341 {
2342 long pid;
2343 struct procstat ps;
2344 procstat_entry_t pse;
2345 char *endptr;
2347 if (!isdigit ((int) ent->d_name[0]))
2348 continue;
2350 pid = strtol (ent->d_name, &endptr, 10);
2351 if (*endptr != 0) /* value didn't completely parse as a number */
2352 continue;
2354 status = ps_read_process (pid, &ps, &state);
2355 if (status != 0)
2356 {
2357 DEBUG("ps_read_process failed: %i", status);
2358 continue;
2359 }
2361 memset (&pse, 0, sizeof (pse));
2362 pse.id = pid;
2363 pse.age = 0;
2365 pse.num_proc = ps.num_proc;
2366 pse.num_lwp = ps.num_lwp;
2367 pse.vmem_size = ps.vmem_size;
2368 pse.vmem_rss = ps.vmem_rss;
2369 pse.vmem_data = ps.vmem_data;
2370 pse.vmem_code = ps.vmem_code;
2371 pse.stack_size = ps.stack_size;
2373 pse.vmem_minflt = 0;
2374 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2375 pse.vmem_majflt = 0;
2376 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2378 pse.cpu_user = 0;
2379 pse.cpu_user_counter = ps.cpu_user_counter;
2380 pse.cpu_system = 0;
2381 pse.cpu_system_counter = ps.cpu_system_counter;
2383 pse.io_rchar = ps.io_rchar;
2384 pse.io_wchar = ps.io_wchar;
2385 pse.io_syscr = ps.io_syscr;
2386 pse.io_syscw = ps.io_syscw;
2388 pse.cswitch_vol = -1;
2389 pse.cswitch_invol = -1;
2391 switch (state)
2392 {
2393 case 'R': running++; break;
2394 case 'S': sleeping++; break;
2395 case 'E': detached++; break;
2396 case 'Z': zombies++; break;
2397 case 'T': stopped++; break;
2398 case 'A': daemon++; break;
2399 case 'Y': system++; break;
2400 case 'O': orphan++; break;
2401 }
2404 ps_list_add (ps.name,
2405 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
2406 &pse);
2407 } /* while(readdir) */
2408 closedir (proc);
2410 ps_submit_state ("running", running);
2411 ps_submit_state ("sleeping", sleeping);
2412 ps_submit_state ("zombies", zombies);
2413 ps_submit_state ("stopped", stopped);
2414 ps_submit_state ("detached", detached);
2415 ps_submit_state ("daemon", daemon);
2416 ps_submit_state ("system", system);
2417 ps_submit_state ("orphan", orphan);
2419 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2420 ps_submit_proc_list (ps_ptr);
2422 read_fork_rate();
2423 #endif /* KERNEL_SOLARIS */
2425 return (0);
2426 } /* int ps_read */
2428 void module_register (void)
2429 {
2430 plugin_register_complex_config ("processes", ps_config);
2431 plugin_register_init ("processes", ps_init);
2432 plugin_register_read ("processes", ps_read);
2433 } /* void module_register */