8ac05a35074bda4744037c7d955087ad6875e430
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 derive_t vmem_minflt_counter;
174 derive_t vmem_majflt_counter;
176 derive_t cpu_user_counter;
177 derive_t cpu_system_counter;
179 /* io data */
180 derive_t io_rchar;
181 derive_t io_wchar;
182 derive_t io_syscr;
183 derive_t io_syscw;
185 derive_t cswitch_vol;
186 derive_t cswitch_invol;
188 struct procstat_entry_s *next;
189 } procstat_entry_t;
191 #define PROCSTAT_NAME_LEN 256
192 typedef struct procstat
193 {
194 char name[PROCSTAT_NAME_LEN];
195 #if HAVE_REGEX_H
196 regex_t *re;
197 #endif
199 unsigned long num_proc;
200 unsigned long num_lwp;
201 unsigned long vmem_size;
202 unsigned long vmem_rss;
203 unsigned long vmem_data;
204 unsigned long vmem_code;
205 unsigned long stack_size;
207 derive_t vmem_minflt_counter;
208 derive_t vmem_majflt_counter;
210 derive_t cpu_user_counter;
211 derive_t cpu_system_counter;
213 /* io data */
214 derive_t io_rchar;
215 derive_t io_wchar;
216 derive_t io_syscr;
217 derive_t io_syscw;
219 derive_t cswitch_vol;
220 derive_t cswitch_invol;
222 struct procstat *next;
223 struct procstat_entry_s *instances;
224 } procstat_t;
226 static procstat_t *list_head_g = NULL;
228 static _Bool report_ctx_switch = 0;
230 #if HAVE_THREAD_INFO
231 static mach_port_t port_host_self;
232 static mach_port_t port_task_self;
234 static processor_set_name_array_t pset_list;
235 static mach_msg_type_number_t pset_list_len;
236 /* #endif HAVE_THREAD_INFO */
238 #elif KERNEL_LINUX
239 static long pagesize_g;
240 /* #endif KERNEL_LINUX */
242 #elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
243 static int pagesize;
244 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
246 #elif HAVE_PROCINFO_H
247 static struct procentry64 procentry[MAXPROCENTRY];
248 static struct thrdentry64 thrdentry[MAXTHRDENTRY];
249 static int pagesize;
251 #ifndef _AIXVERSION_610
252 int getprocs64 (void *procsinfo, int sizproc, void *fdsinfo, int sizfd, pid_t *index, int count);
253 int getthrds64( pid_t, void *, int, tid64_t *, int );
254 #endif
255 int getargs (void *processBuffer, int bufferLen, char *argsBuffer, int argsLen);
256 #endif /* HAVE_PROCINFO_H */
258 /* put name of process from config to list_head_g tree
259 * list_head_g is a list of 'procstat_t' structs with
260 * processes names we want to watch */
261 static void ps_list_register (const char *name, const char *regexp)
262 {
263 procstat_t *new;
264 procstat_t *ptr;
265 int status;
267 new = calloc (1, sizeof (*new));
268 if (new == NULL)
269 {
270 ERROR ("processes plugin: ps_list_register: calloc failed.");
271 return;
272 }
273 sstrncpy (new->name, name, sizeof (new->name));
275 #if HAVE_REGEX_H
276 if (regexp != NULL)
277 {
278 DEBUG ("ProcessMatch: adding \"%s\" as criteria to process %s.", regexp, name);
279 new->re = malloc (sizeof (*new->re));
280 if (new->re == NULL)
281 {
282 ERROR ("processes plugin: ps_list_register: malloc failed.");
283 sfree (new);
284 return;
285 }
287 status = regcomp (new->re, regexp, REG_EXTENDED | REG_NOSUB);
288 if (status != 0)
289 {
290 DEBUG ("ProcessMatch: compiling the regular expression \"%s\" failed.", regexp);
291 sfree (new->re);
292 sfree (new);
293 return;
294 }
295 }
296 #else
297 if (regexp != NULL)
298 {
299 ERROR ("processes plugin: ps_list_register: "
300 "Regular expression \"%s\" found in config "
301 "file, but support for regular expressions "
302 "has been disabled at compile time.",
303 regexp);
304 sfree (new);
305 return;
306 }
307 #endif
309 for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
310 {
311 if (strcmp (ptr->name, name) == 0)
312 {
313 WARNING ("processes plugin: You have configured more "
314 "than one `Process' or "
315 "`ProcessMatch' with the same name. "
316 "All but the first setting will be "
317 "ignored.");
318 #if HAVE_REGEX_H
319 sfree (new->re);
320 #endif
321 sfree (new);
322 return;
323 }
325 if (ptr->next == NULL)
326 break;
327 }
329 if (ptr == NULL)
330 list_head_g = new;
331 else
332 ptr->next = new;
333 } /* void ps_list_register */
335 /* try to match name against entry, returns 1 if success */
336 static int ps_list_match (const char *name, const char *cmdline, procstat_t *ps)
337 {
338 #if HAVE_REGEX_H
339 if (ps->re != NULL)
340 {
341 int status;
342 const char *str;
344 str = cmdline;
345 if ((str == NULL) || (str[0] == 0))
346 str = name;
348 assert (str != NULL);
350 status = regexec (ps->re, str,
351 /* nmatch = */ 0,
352 /* pmatch = */ NULL,
353 /* eflags = */ 0);
354 if (status == 0)
355 return (1);
356 }
357 else
358 #endif
359 if (strcmp (ps->name, name) == 0)
360 return (1);
362 return (0);
363 } /* int ps_list_match */
365 static void ps_update_counter (_Bool init, derive_t *group_counter,
366 derive_t *curr_counter, derive_t new_counter)
367 {
368 unsigned long curr_value;
370 if (init)
371 return;
373 if (new_counter < *curr_counter)
374 curr_value = new_counter + (ULONG_MAX - *curr_counter);
375 else
376 curr_value = new_counter - *curr_counter;
378 *curr_counter = new_counter;
379 *group_counter += curr_value;
380 }
382 /* add process entry to 'instances' of process 'name' (or refresh it) */
383 static void ps_list_add (const char *name, const char *cmdline, procstat_entry_t *entry)
384 {
385 procstat_entry_t *pse;
387 if (entry->id == 0)
388 return;
390 for (procstat_t *ps = list_head_g; ps != NULL; ps = ps->next)
391 {
392 _Bool want_init;
394 if ((ps_list_match (name, cmdline, ps)) == 0)
395 continue;
397 for (pse = ps->instances; pse != NULL; pse = pse->next)
398 if ((pse->id == entry->id) || (pse->next == NULL))
399 break;
401 if ((pse == NULL) || (pse->id != entry->id))
402 {
403 procstat_entry_t *new;
405 new = calloc (1, sizeof (*new));
406 if (new == NULL)
407 return;
408 new->id = entry->id;
410 if (pse == NULL)
411 ps->instances = new;
412 else
413 pse->next = new;
415 pse = new;
416 }
418 pse->age = 0;
419 pse->num_proc = entry->num_proc;
420 pse->num_lwp = entry->num_lwp;
421 pse->vmem_size = entry->vmem_size;
422 pse->vmem_rss = entry->vmem_rss;
423 pse->vmem_data = entry->vmem_data;
424 pse->vmem_code = entry->vmem_code;
425 pse->stack_size = entry->stack_size;
426 pse->io_rchar = entry->io_rchar;
427 pse->io_wchar = entry->io_wchar;
428 pse->io_syscr = entry->io_syscr;
429 pse->io_syscw = entry->io_syscw;
430 pse->cswitch_vol = entry->cswitch_vol;
431 pse->cswitch_invol = entry->cswitch_invol;
433 ps->num_proc += pse->num_proc;
434 ps->num_lwp += pse->num_lwp;
435 ps->vmem_size += pse->vmem_size;
436 ps->vmem_rss += pse->vmem_rss;
437 ps->vmem_data += pse->vmem_data;
438 ps->vmem_code += pse->vmem_code;
439 ps->stack_size += pse->stack_size;
441 ps->io_rchar += ((pse->io_rchar == -1)?0:pse->io_rchar);
442 ps->io_wchar += ((pse->io_wchar == -1)?0:pse->io_wchar);
443 ps->io_syscr += ((pse->io_syscr == -1)?0:pse->io_syscr);
444 ps->io_syscw += ((pse->io_syscw == -1)?0:pse->io_syscw);
446 ps->cswitch_vol += ((pse->cswitch_vol == -1)?0:pse->cswitch_vol);
447 ps->cswitch_invol += ((pse->cswitch_invol == -1)?0:pse->cswitch_invol);
449 want_init = (entry->vmem_minflt_counter == 0)
450 && (entry->vmem_majflt_counter == 0);
451 ps_update_counter (want_init,
452 &ps->vmem_minflt_counter,
453 &pse->vmem_minflt_counter,
454 entry->vmem_minflt_counter);
455 ps_update_counter (want_init,
456 &ps->vmem_majflt_counter,
457 &pse->vmem_majflt_counter,
458 entry->vmem_majflt_counter);
460 want_init = (entry->cpu_user_counter == 0)
461 && (entry->cpu_system_counter == 0);
462 ps_update_counter (want_init,
463 &ps->cpu_user_counter,
464 &pse->cpu_user_counter,
465 entry->cpu_user_counter);
466 ps_update_counter (want_init,
467 &ps->cpu_system_counter,
468 &pse->cpu_system_counter,
469 entry->cpu_system_counter);
470 }
471 }
473 /* remove old entries from instances of processes in list_head_g */
474 static void ps_list_reset (void)
475 {
476 procstat_entry_t *pse;
477 procstat_entry_t *pse_prev;
479 for (procstat_t *ps = list_head_g; ps != NULL; ps = ps->next)
480 {
481 ps->num_proc = 0;
482 ps->num_lwp = 0;
483 ps->vmem_size = 0;
484 ps->vmem_rss = 0;
485 ps->vmem_data = 0;
486 ps->vmem_code = 0;
487 ps->stack_size = 0;
488 ps->io_rchar = -1;
489 ps->io_wchar = -1;
490 ps->io_syscr = -1;
491 ps->io_syscw = -1;
492 ps->cswitch_vol = -1;
493 ps->cswitch_invol = -1;
495 pse_prev = NULL;
496 pse = ps->instances;
497 while (pse != NULL)
498 {
499 if (pse->age > 10)
500 {
501 DEBUG ("Removing this procstat entry cause it's too old: "
502 "id = %lu; name = %s;",
503 pse->id, ps->name);
505 if (pse_prev == NULL)
506 {
507 ps->instances = pse->next;
508 free (pse);
509 pse = ps->instances;
510 }
511 else
512 {
513 pse_prev->next = pse->next;
514 free (pse);
515 pse = pse_prev->next;
516 }
517 }
518 else
519 {
520 pse->age++;
521 pse_prev = pse;
522 pse = pse->next;
523 }
524 } /* while (pse != NULL) */
525 } /* for (ps = list_head_g; ps != NULL; ps = ps->next) */
526 }
528 /* put all pre-defined 'Process' names from config to list_head_g tree */
529 static int ps_config (oconfig_item_t *ci)
530 {
531 #if KERNEL_LINUX
532 const size_t max_procname_len = 15;
533 #elif KERNEL_SOLARIS || KERNEL_FREEBSD
534 const size_t max_procname_len = MAXCOMLEN -1;
535 #endif
537 for (int i = 0; i < ci->children_num; ++i) {
538 oconfig_item_t *c = ci->children + i;
540 if (strcasecmp (c->key, "Process") == 0)
541 {
542 if ((c->values_num != 1)
543 || (OCONFIG_TYPE_STRING != c->values[0].type)) {
544 ERROR ("processes plugin: `Process' expects exactly "
545 "one string argument (got %i).",
546 c->values_num);
547 continue;
548 }
550 if (c->children_num != 0) {
551 WARNING ("processes plugin: the `Process' config option "
552 "does not expect any child elements -- ignoring "
553 "content (%i elements) of the <Process '%s'> block.",
554 c->children_num, c->values[0].value.string);
555 }
557 #if KERNEL_LINUX || KERNEL_SOLARIS || KERNEL_FREEBSD
558 if (strlen (c->values[0].value.string) > max_procname_len) {
559 WARNING ("processes plugin: this platform has a %zu character limit "
560 "to process names. The `Process \"%s\"' option will "
561 "not work as expected.",
562 max_procname_len, c->values[0].value.string);
563 }
564 #endif
566 ps_list_register (c->values[0].value.string, NULL);
567 }
568 else if (strcasecmp (c->key, "ProcessMatch") == 0)
569 {
570 if ((c->values_num != 2)
571 || (OCONFIG_TYPE_STRING != c->values[0].type)
572 || (OCONFIG_TYPE_STRING != c->values[1].type))
573 {
574 ERROR ("processes plugin: `ProcessMatch' needs exactly "
575 "two string arguments (got %i).",
576 c->values_num);
577 continue;
578 }
580 if (c->children_num != 0) {
581 WARNING ("processes plugin: the `ProcessMatch' config option "
582 "does not expect any child elements -- ignoring "
583 "content (%i elements) of the <ProcessMatch '%s' '%s'> "
584 "block.", c->children_num, c->values[0].value.string,
585 c->values[1].value.string);
586 }
588 ps_list_register (c->values[0].value.string,
589 c->values[1].value.string);
590 }
591 else if (strcasecmp (c->key, "CollectContextSwitch") == 0)
592 {
593 cf_util_get_boolean (c, &report_ctx_switch);
594 }
595 else
596 {
597 ERROR ("processes plugin: The `%s' configuration option is not "
598 "understood and will be ignored.", c->key);
599 continue;
600 }
601 }
603 return (0);
604 }
606 static int ps_init (void)
607 {
608 #if HAVE_THREAD_INFO
609 kern_return_t status;
611 port_host_self = mach_host_self ();
612 port_task_self = mach_task_self ();
614 if (pset_list != NULL)
615 {
616 vm_deallocate (port_task_self,
617 (vm_address_t) pset_list,
618 pset_list_len * sizeof (processor_set_t));
619 pset_list = NULL;
620 pset_list_len = 0;
621 }
623 if ((status = host_processor_sets (port_host_self,
624 &pset_list,
625 &pset_list_len)) != KERN_SUCCESS)
626 {
627 ERROR ("host_processor_sets failed: %s\n",
628 mach_error_string (status));
629 pset_list = NULL;
630 pset_list_len = 0;
631 return (-1);
632 }
633 /* #endif HAVE_THREAD_INFO */
635 #elif KERNEL_LINUX
636 pagesize_g = sysconf(_SC_PAGESIZE);
637 DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
638 pagesize_g, CONFIG_HZ);
639 /* #endif KERNEL_LINUX */
641 #elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
642 pagesize = getpagesize();
643 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
645 #elif HAVE_PROCINFO_H
646 pagesize = getpagesize();
647 #endif /* HAVE_PROCINFO_H */
649 return (0);
650 } /* int ps_init */
652 /* submit global state (e.g.: qty of zombies, running, etc..) */
653 static void ps_submit_state (const char *state, double value)
654 {
655 value_list_t vl = VALUE_LIST_INIT;
657 vl.values = &(value_t) { .gauge = value };
658 vl.values_len = 1;
659 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
660 sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
661 sstrncpy (vl.type, "ps_state", sizeof (vl.type));
662 sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
664 plugin_dispatch_values (&vl);
665 }
667 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
668 static void ps_submit_proc_list (procstat_t *ps)
669 {
670 value_list_t vl = VALUE_LIST_INIT;
671 value_t values[2];
673 vl.values = values;
674 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
675 sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
677 sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
678 vl.values[0].gauge = ps->vmem_size;
679 vl.values_len = 1;
680 plugin_dispatch_values (&vl);
682 sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
683 vl.values[0].gauge = ps->vmem_rss;
684 vl.values_len = 1;
685 plugin_dispatch_values (&vl);
687 sstrncpy (vl.type, "ps_data", sizeof (vl.type));
688 vl.values[0].gauge = ps->vmem_data;
689 vl.values_len = 1;
690 plugin_dispatch_values (&vl);
692 sstrncpy (vl.type, "ps_code", sizeof (vl.type));
693 vl.values[0].gauge = ps->vmem_code;
694 vl.values_len = 1;
695 plugin_dispatch_values (&vl);
697 sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
698 vl.values[0].gauge = ps->stack_size;
699 vl.values_len = 1;
700 plugin_dispatch_values (&vl);
702 sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
703 vl.values[0].derive = ps->cpu_user_counter;
704 vl.values[1].derive = ps->cpu_system_counter;
705 vl.values_len = 2;
706 plugin_dispatch_values (&vl);
708 sstrncpy (vl.type, "ps_count", sizeof (vl.type));
709 vl.values[0].gauge = ps->num_proc;
710 vl.values[1].gauge = ps->num_lwp;
711 vl.values_len = 2;
712 plugin_dispatch_values (&vl);
714 sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
715 vl.values[0].derive = ps->vmem_minflt_counter;
716 vl.values[1].derive = ps->vmem_majflt_counter;
717 vl.values_len = 2;
718 plugin_dispatch_values (&vl);
720 if ( (ps->io_rchar != -1) && (ps->io_wchar != -1) )
721 {
722 sstrncpy (vl.type, "ps_disk_octets", sizeof (vl.type));
723 vl.values[0].derive = ps->io_rchar;
724 vl.values[1].derive = ps->io_wchar;
725 vl.values_len = 2;
726 plugin_dispatch_values (&vl);
727 }
729 if ( (ps->io_syscr != -1) && (ps->io_syscw != -1) )
730 {
731 sstrncpy (vl.type, "ps_disk_ops", sizeof (vl.type));
732 vl.values[0].derive = ps->io_syscr;
733 vl.values[1].derive = ps->io_syscw;
734 vl.values_len = 2;
735 plugin_dispatch_values (&vl);
736 }
738 if ( report_ctx_switch )
739 {
740 sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
741 sstrncpy (vl.type_instance, "voluntary", sizeof (vl.type_instance));
742 vl.values[0].derive = ps->cswitch_vol;
743 vl.values_len = 1;
744 plugin_dispatch_values (&vl);
746 sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
747 sstrncpy (vl.type_instance, "involuntary", sizeof (vl.type_instance));
748 vl.values[0].derive = ps->cswitch_invol;
749 vl.values_len = 1;
750 plugin_dispatch_values (&vl);
751 }
753 DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
754 "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
755 "vmem_code = %lu; "
756 "vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
757 "cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
758 "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
759 "io_syscr = %"PRIi64"; io_syscw = %"PRIi64"; "
760 "cswitch_vol = %"PRIi64"; cswitch_invol = %"PRIi64";",
761 ps->name, ps->num_proc, ps->num_lwp,
762 ps->vmem_size, ps->vmem_rss,
763 ps->vmem_data, ps->vmem_code,
764 ps->vmem_minflt_counter, ps->vmem_majflt_counter,
765 ps->cpu_user_counter, ps->cpu_system_counter,
766 ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw,
767 ps->cswitch_vol, ps->cswitch_invol);
768 } /* void ps_submit_proc_list */
770 #if KERNEL_LINUX || KERNEL_SOLARIS
771 static void ps_submit_fork_rate (derive_t value)
772 {
773 value_list_t vl = VALUE_LIST_INIT;
775 vl.values = &(value_t) { .derive = value };
776 vl.values_len = 1;
777 sstrncpy(vl.plugin, "processes", sizeof (vl.plugin));
778 sstrncpy(vl.plugin_instance, "", sizeof (vl.plugin_instance));
779 sstrncpy(vl.type, "fork_rate", sizeof (vl.type));
780 sstrncpy(vl.type_instance, "", sizeof (vl.type_instance));
782 plugin_dispatch_values(&vl);
783 }
784 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
786 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
787 #if KERNEL_LINUX
788 static procstat_t *ps_read_tasks_status (long pid, procstat_t *ps)
789 {
790 char dirname[64];
791 DIR *dh;
792 char filename[64];
793 FILE *fh;
794 struct dirent *ent;
795 derive_t cswitch_vol = 0;
796 derive_t cswitch_invol = 0;
797 char buffer[1024];
798 char *fields[8];
799 int numfields;
801 ssnprintf (dirname, sizeof (dirname), "/proc/%li/task", pid);
803 if ((dh = opendir (dirname)) == NULL)
804 {
805 DEBUG ("Failed to open directory `%s'", dirname);
806 return (NULL);
807 }
809 while ((ent = readdir (dh)) != NULL)
810 {
811 char *tpid;
813 if (!isdigit ((int) ent->d_name[0]))
814 continue;
816 tpid = ent->d_name;
818 ssnprintf (filename, sizeof (filename), "/proc/%li/task/%s/status", pid, tpid);
819 if ((fh = fopen (filename, "r")) == NULL)
820 {
821 DEBUG ("Failed to open file `%s'", filename);
822 continue;
823 }
825 while (fgets (buffer, sizeof(buffer), fh) != NULL)
826 {
827 derive_t tmp;
828 char *endptr;
830 if (strncmp (buffer, "voluntary_ctxt_switches", 23) != 0
831 && strncmp (buffer, "nonvoluntary_ctxt_switches", 26) != 0)
832 continue;
834 numfields = strsplit (buffer, fields,
835 STATIC_ARRAY_SIZE (fields));
837 if (numfields < 2)
838 continue;
840 errno = 0;
841 endptr = NULL;
842 tmp = (derive_t) strtoll (fields[1], &endptr, /* base = */ 10);
843 if ((errno == 0) && (endptr != fields[1]))
844 {
845 if (strncmp (buffer, "voluntary_ctxt_switches", 23) == 0)
846 {
847 cswitch_vol += tmp;
848 }
849 else if (strncmp (buffer, "nonvoluntary_ctxt_switches", 26) == 0)
850 {
851 cswitch_invol += tmp;
852 }
853 }
854 } /* while (fgets) */
856 if (fclose (fh))
857 {
858 char errbuf[1024];
859 WARNING ("processes: fclose: %s",
860 sstrerror (errno, errbuf, sizeof (errbuf)));
861 }
862 }
863 closedir (dh);
865 ps->cswitch_vol = cswitch_vol;
866 ps->cswitch_invol = cswitch_invol;
868 return (ps);
869 } /* int *ps_read_tasks_status */
871 /* Read data from /proc/pid/status */
872 static procstat_t *ps_read_status (long pid, procstat_t *ps)
873 {
874 FILE *fh;
875 char buffer[1024];
876 char filename[64];
877 unsigned long lib = 0;
878 unsigned long exe = 0;
879 unsigned long data = 0;
880 unsigned long threads = 0;
881 char *fields[8];
882 int numfields;
884 ssnprintf (filename, sizeof (filename), "/proc/%li/status", pid);
885 if ((fh = fopen (filename, "r")) == NULL)
886 return (NULL);
888 while (fgets (buffer, sizeof(buffer), fh) != NULL)
889 {
890 unsigned long tmp;
891 char *endptr;
893 if (strncmp (buffer, "Vm", 2) != 0
894 && strncmp (buffer, "Threads", 7) != 0)
895 continue;
897 numfields = strsplit (buffer, fields,
898 STATIC_ARRAY_SIZE (fields));
900 if (numfields < 2)
901 continue;
903 errno = 0;
904 endptr = NULL;
905 tmp = strtoul (fields[1], &endptr, /* base = */ 10);
906 if ((errno == 0) && (endptr != fields[1]))
907 {
908 if (strncmp (buffer, "VmData", 6) == 0)
909 {
910 data = tmp;
911 }
912 else if (strncmp (buffer, "VmLib", 5) == 0)
913 {
914 lib = tmp;
915 }
916 else if (strncmp(buffer, "VmExe", 5) == 0)
917 {
918 exe = tmp;
919 }
920 else if (strncmp(buffer, "Threads", 7) == 0)
921 {
922 threads = tmp;
923 }
924 }
925 } /* while (fgets) */
927 if (fclose (fh))
928 {
929 char errbuf[1024];
930 WARNING ("processes: fclose: %s",
931 sstrerror (errno, errbuf, sizeof (errbuf)));
932 }
934 ps->vmem_data = data * 1024;
935 ps->vmem_code = (exe + lib) * 1024;
936 if (threads != 0)
937 ps->num_lwp = threads;
939 return (ps);
940 } /* procstat_t *ps_read_vmem */
942 static procstat_t *ps_read_io (long pid, procstat_t *ps)
943 {
944 FILE *fh;
945 char buffer[1024];
946 char filename[64];
948 char *fields[8];
949 int numfields;
951 ssnprintf (filename, sizeof (filename), "/proc/%li/io", pid);
952 if ((fh = fopen (filename, "r")) == NULL)
953 return (NULL);
955 while (fgets (buffer, sizeof (buffer), fh) != NULL)
956 {
957 derive_t *val = NULL;
958 long long tmp;
959 char *endptr;
961 if (strncasecmp (buffer, "rchar:", 6) == 0)
962 val = &(ps->io_rchar);
963 else if (strncasecmp (buffer, "wchar:", 6) == 0)
964 val = &(ps->io_wchar);
965 else if (strncasecmp (buffer, "syscr:", 6) == 0)
966 val = &(ps->io_syscr);
967 else if (strncasecmp (buffer, "syscw:", 6) == 0)
968 val = &(ps->io_syscw);
969 else
970 continue;
972 numfields = strsplit (buffer, fields,
973 STATIC_ARRAY_SIZE (fields));
975 if (numfields < 2)
976 continue;
978 errno = 0;
979 endptr = NULL;
980 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
981 if ((errno != 0) || (endptr == fields[1]))
982 *val = -1;
983 else
984 *val = (derive_t) tmp;
985 } /* while (fgets) */
987 if (fclose (fh))
988 {
989 char errbuf[1024];
990 WARNING ("processes: fclose: %s",
991 sstrerror (errno, errbuf, sizeof (errbuf)));
992 }
994 return (ps);
995 } /* procstat_t *ps_read_io */
997 static int ps_read_process (long pid, procstat_t *ps, char *state)
998 {
999 char filename[64];
1000 char buffer[1024];
1002 char *fields[64];
1003 char fields_len;
1005 size_t buffer_len;
1007 char *buffer_ptr;
1008 size_t name_start_pos;
1009 size_t name_end_pos;
1010 size_t name_len;
1012 derive_t cpu_user_counter;
1013 derive_t cpu_system_counter;
1014 long long unsigned vmem_size;
1015 long long unsigned vmem_rss;
1016 long long unsigned stack_size;
1018 ssize_t status;
1020 memset (ps, 0, sizeof (procstat_t));
1022 ssnprintf (filename, sizeof (filename), "/proc/%li/stat", pid);
1024 status = read_file_contents (filename, buffer, sizeof(buffer) - 1);
1025 if (status <= 0)
1026 return (-1);
1027 buffer_len = (size_t) status;
1028 buffer[buffer_len] = 0;
1030 /* The name of the process is enclosed in parens. Since the name can
1031 * contain parens itself, spaces, numbers and pretty much everything
1032 * else, use these to determine the process name. We don't use
1033 * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
1034 * otherwise be required to determine name_len. */
1035 name_start_pos = 0;
1036 while (name_start_pos < buffer_len && buffer[name_start_pos] != '(')
1037 name_start_pos++;
1039 name_end_pos = buffer_len;
1040 while (name_end_pos > 0 && buffer[name_end_pos] != ')')
1041 name_end_pos--;
1043 /* Either '(' or ')' is not found or they are in the wrong order.
1044 * Anyway, something weird that shouldn't happen ever. */
1045 if (name_start_pos >= name_end_pos)
1046 {
1047 ERROR ("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
1048 name_start_pos, name_end_pos);
1049 return (-1);
1050 }
1052 name_len = (name_end_pos - name_start_pos) - 1;
1053 if (name_len >= sizeof (ps->name))
1054 name_len = sizeof (ps->name) - 1;
1056 sstrncpy (ps->name, &buffer[name_start_pos + 1], name_len + 1);
1058 if ((buffer_len - name_end_pos) < 2)
1059 return (-1);
1060 buffer_ptr = &buffer[name_end_pos + 2];
1062 fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
1063 if (fields_len < 22)
1064 {
1065 DEBUG ("processes plugin: ps_read_process (pid = %li):"
1066 " `%s' has only %i fields..",
1067 pid, filename, fields_len);
1068 return (-1);
1069 }
1071 *state = fields[0][0];
1073 if (*state == 'Z')
1074 {
1075 ps->num_lwp = 0;
1076 ps->num_proc = 0;
1077 }
1078 else
1079 {
1080 ps->num_lwp = strtoul (fields[17], /* endptr = */ NULL, /* base = */ 10);
1081 if ((ps_read_status(pid, ps)) == NULL)
1082 {
1083 /* No VMem data */
1084 ps->vmem_data = -1;
1085 ps->vmem_code = -1;
1086 DEBUG("ps_read_process: did not get vmem data for pid %li", pid);
1087 }
1088 if (ps->num_lwp == 0)
1089 ps->num_lwp = 1;
1090 ps->num_proc = 1;
1091 }
1093 /* Leave the rest at zero if this is only a zombi */
1094 if (ps->num_proc == 0)
1095 {
1096 DEBUG ("processes plugin: This is only a zombie: pid = %li; "
1097 "name = %s;", pid, ps->name);
1098 return (0);
1099 }
1101 cpu_user_counter = atoll (fields[11]);
1102 cpu_system_counter = atoll (fields[12]);
1103 vmem_size = atoll (fields[20]);
1104 vmem_rss = atoll (fields[21]);
1105 ps->vmem_minflt_counter = atol (fields[7]);
1106 ps->vmem_majflt_counter = atol (fields[9]);
1108 {
1109 unsigned long long stack_start = atoll (fields[25]);
1110 unsigned long long stack_ptr = atoll (fields[26]);
1112 stack_size = (stack_start > stack_ptr)
1113 ? stack_start - stack_ptr
1114 : stack_ptr - stack_start;
1115 }
1117 /* Convert jiffies to useconds */
1118 cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
1119 cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1120 vmem_rss = vmem_rss * pagesize_g;
1122 ps->cpu_user_counter = cpu_user_counter;
1123 ps->cpu_system_counter = cpu_system_counter;
1124 ps->vmem_size = (unsigned long) vmem_size;
1125 ps->vmem_rss = (unsigned long) vmem_rss;
1126 ps->stack_size = (unsigned long) stack_size;
1128 if ( (ps_read_io (pid, ps)) == NULL)
1129 {
1130 /* no io data */
1131 ps->io_rchar = -1;
1132 ps->io_wchar = -1;
1133 ps->io_syscr = -1;
1134 ps->io_syscw = -1;
1136 DEBUG("ps_read_process: not get io data for pid %li", pid);
1137 }
1139 if ( report_ctx_switch )
1140 {
1141 if ( (ps_read_tasks_status(pid, ps)) == NULL)
1142 {
1143 ps->cswitch_vol = -1;
1144 ps->cswitch_invol = -1;
1146 DEBUG("ps_read_tasks_status: not get context "
1147 "switch data for pid %li", pid);
1148 }
1149 }
1151 /* success */
1152 return (0);
1153 } /* int ps_read_process (...) */
1155 static char *ps_get_cmdline (long pid, char *name, char *buf, size_t buf_len)
1156 {
1157 char *buf_ptr;
1158 size_t len;
1160 char file[PATH_MAX];
1161 int fd;
1163 size_t n;
1165 if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1166 return NULL;
1168 ssnprintf (file, sizeof (file), "/proc/%li/cmdline", pid);
1170 errno = 0;
1171 fd = open (file, O_RDONLY);
1172 if (fd < 0) {
1173 char errbuf[4096];
1174 /* ENOENT means the process exited while we were handling it.
1175 * Don't complain about this, it only fills the logs. */
1176 if (errno != ENOENT)
1177 WARNING ("processes plugin: Failed to open `%s': %s.", file,
1178 sstrerror (errno, errbuf, sizeof (errbuf)));
1179 return NULL;
1180 }
1182 buf_ptr = buf;
1183 len = buf_len;
1185 n = 0;
1187 while (42) {
1188 ssize_t status;
1190 status = read (fd, (void *)buf_ptr, len);
1192 if (status < 0) {
1193 char errbuf[1024];
1195 if ((EAGAIN == errno) || (EINTR == errno))
1196 continue;
1198 WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1199 sstrerror (errno, errbuf, sizeof (errbuf)));
1200 close (fd);
1201 return NULL;
1202 }
1204 n += status;
1206 if (status == 0)
1207 break;
1209 buf_ptr += status;
1210 len -= status;
1212 if (len == 0)
1213 break;
1214 }
1216 close (fd);
1218 if (0 == n) {
1219 /* cmdline not available; e.g. kernel thread, zombie */
1220 if (NULL == name)
1221 return NULL;
1223 ssnprintf (buf, buf_len, "[%s]", name);
1224 return buf;
1225 }
1227 assert (n <= buf_len);
1229 if (n == buf_len)
1230 --n;
1231 buf[n] = '\0';
1233 --n;
1234 /* remove trailing whitespace */
1235 while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1236 buf[n] = '\0';
1237 --n;
1238 }
1240 /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1241 while (n > 0) {
1242 if ('\0' == buf[n])
1243 buf[n] = ' ';
1244 --n;
1245 }
1246 return buf;
1247 } /* char *ps_get_cmdline (...) */
1249 static int read_fork_rate (void)
1250 {
1251 FILE *proc_stat;
1252 char buffer[1024];
1253 value_t value;
1254 _Bool value_valid = 0;
1256 proc_stat = fopen ("/proc/stat", "r");
1257 if (proc_stat == NULL)
1258 {
1259 char errbuf[1024];
1260 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1261 sstrerror (errno, errbuf, sizeof (errbuf)));
1262 return (-1);
1263 }
1265 while (fgets (buffer, sizeof (buffer), proc_stat) != NULL)
1266 {
1267 int status;
1268 char *fields[3];
1269 int fields_num;
1271 fields_num = strsplit (buffer, fields,
1272 STATIC_ARRAY_SIZE (fields));
1273 if (fields_num != 2)
1274 continue;
1276 if (strcmp ("processes", fields[0]) != 0)
1277 continue;
1279 status = parse_value (fields[1], &value, DS_TYPE_DERIVE);
1280 if (status == 0)
1281 value_valid = 1;
1283 break;
1284 }
1285 fclose(proc_stat);
1287 if (!value_valid)
1288 return (-1);
1290 ps_submit_fork_rate (value.derive);
1291 return (0);
1292 }
1293 #endif /*KERNEL_LINUX */
1295 #if KERNEL_SOLARIS
1296 static char *ps_get_cmdline (long pid, char *name __attribute__((unused)), /* {{{ */
1297 char *buffer, size_t buffer_size)
1298 {
1299 char path[PATH_MAX];
1300 psinfo_t info;
1301 ssize_t status;
1303 snprintf(path, sizeof (path), "/proc/%li/psinfo", pid);
1305 status = read_file_contents (path, (void *) &info, sizeof (info));
1306 if ((status < 0) || (((size_t) status) != sizeof (info)))
1307 {
1308 ERROR ("processes plugin: Unexpected return value "
1309 "while reading \"%s\": "
1310 "Returned %zd but expected %zu.",
1311 path, status, buffer_size);
1312 return (NULL);
1313 }
1315 info.pr_psargs[sizeof (info.pr_psargs) - 1] = 0;
1316 sstrncpy (buffer, info.pr_psargs, buffer_size);
1318 return (buffer);
1319 } /* }}} int ps_get_cmdline */
1321 /*
1322 * Reads process information on the Solaris OS. The information comes mainly from
1323 * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1324 * The values for input and ouput chars are calculated "by hand"
1325 * Added a few "solaris" specific process states as well
1326 */
1327 static int ps_read_process(long pid, procstat_t *ps, char *state)
1328 {
1329 char filename[64];
1330 char f_psinfo[64], f_usage[64];
1331 char *buffer;
1333 pstatus_t *myStatus;
1334 psinfo_t *myInfo;
1335 prusage_t *myUsage;
1337 snprintf(filename, sizeof (filename), "/proc/%li/status", pid);
1338 snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%li/psinfo", pid);
1339 snprintf(f_usage, sizeof (f_usage), "/proc/%li/usage", pid);
1342 buffer = calloc(1, sizeof (pstatus_t));
1343 read_file_contents(filename, buffer, sizeof (pstatus_t));
1344 myStatus = (pstatus_t *) buffer;
1346 buffer = calloc(1, sizeof (psinfo_t));
1347 read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1348 myInfo = (psinfo_t *) buffer;
1350 buffer = calloc(1, sizeof (prusage_t));
1351 read_file_contents(f_usage, buffer, sizeof (prusage_t));
1352 myUsage = (prusage_t *) buffer;
1354 sstrncpy(ps->name, myInfo->pr_fname, sizeof (myInfo->pr_fname));
1355 ps->num_lwp = myStatus->pr_nlwp;
1356 if (myInfo->pr_wstat != 0) {
1357 ps->num_proc = 0;
1358 ps->num_lwp = 0;
1359 *state = (char) 'Z';
1361 sfree(myStatus);
1362 sfree(myInfo);
1363 sfree(myUsage);
1364 return (0);
1365 } else {
1366 ps->num_proc = 1;
1367 ps->num_lwp = myInfo->pr_nlwp;
1368 }
1370 /*
1371 * Convert system time and user time from nanoseconds to microseconds
1372 * for compatibility with the linux module
1373 */
1374 ps->cpu_system_counter = myStatus -> pr_stime.tv_nsec / 1000;
1375 ps->cpu_user_counter = myStatus -> pr_utime.tv_nsec / 1000;
1377 /*
1378 * Convert rssize from KB to bytes to be consistent w/ the linux module
1379 */
1380 ps->vmem_rss = myInfo->pr_rssize * 1024;
1381 ps->vmem_size = myInfo->pr_size * 1024;
1382 ps->vmem_minflt_counter = myUsage->pr_minf;
1383 ps->vmem_majflt_counter = myUsage->pr_majf;
1385 /*
1386 * TODO: Data and code segment calculations for Solaris
1387 */
1389 ps->vmem_data = -1;
1390 ps->vmem_code = -1;
1391 ps->stack_size = myStatus->pr_stksize;
1393 /*
1394 * Calculating input/ouput chars
1395 * Formula used is total chars / total blocks => chars/block
1396 * then convert input/output blocks to chars
1397 */
1398 ulong_t tot_chars = myUsage->pr_ioch;
1399 ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1400 ulong_t chars_per_block = 1;
1401 if (tot_blocks != 0)
1402 chars_per_block = tot_chars / tot_blocks;
1403 ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1404 ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1405 ps->io_syscr = myUsage->pr_sysc;
1406 ps->io_syscw = myUsage->pr_sysc;
1408 /*
1409 * TODO: context switch counters for Solaris
1410 */
1411 ps->cswitch_vol = -1;
1412 ps->cswitch_invol = -1;
1415 /*
1416 * TODO: Find way of setting BLOCKED and PAGING status
1417 */
1419 *state = (char) 'R';
1420 if (myStatus->pr_flags & PR_ASLEEP)
1421 *state = (char) 'S';
1422 else if (myStatus->pr_flags & PR_STOPPED)
1423 *state = (char) 'T';
1424 else if (myStatus->pr_flags & PR_DETACH)
1425 *state = (char) 'E';
1426 else if (myStatus->pr_flags & PR_DAEMON)
1427 *state = (char) 'A';
1428 else if (myStatus->pr_flags & PR_ISSYS)
1429 *state = (char) 'Y';
1430 else if (myStatus->pr_flags & PR_ORPHAN)
1431 *state = (char) 'O';
1433 sfree(myStatus);
1434 sfree(myInfo);
1435 sfree(myUsage);
1437 return (0);
1438 }
1440 /*
1441 * Reads the number of threads created since the last reboot. On Solaris these
1442 * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1443 * The result is the sum for all the threads created on each cpu
1444 */
1445 static int read_fork_rate (void)
1446 {
1447 extern kstat_ctl_t *kc;
1448 derive_t result = 0;
1450 if (kc == NULL)
1451 return (-1);
1453 for (kstat_t *ksp_chain = kc->kc_chain;
1454 ksp_chain != NULL;
1455 ksp_chain = ksp_chain->ks_next)
1456 {
1457 if ((strcmp (ksp_chain->ks_module, "cpu") == 0)
1458 && (strcmp (ksp_chain->ks_name, "sys") == 0)
1459 && (strcmp (ksp_chain->ks_class, "misc") == 0))
1460 {
1461 long long tmp;
1463 kstat_read (kc, ksp_chain, NULL);
1465 tmp = get_kstat_value(ksp_chain, "nthreads");
1466 if (tmp != -1LL)
1467 result += tmp;
1468 }
1469 }
1471 ps_submit_fork_rate (result);
1472 return (0);
1473 }
1474 #endif /* KERNEL_SOLARIS */
1476 #if HAVE_THREAD_INFO
1477 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1478 {
1479 int mib[4];
1481 struct kinfo_proc kp;
1482 size_t kp_size;
1484 mib[0] = CTL_KERN;
1485 mib[1] = KERN_PROC;
1486 mib[2] = KERN_PROC_PID;
1488 if (pid_for_task (t, pid) != KERN_SUCCESS)
1489 return (-1);
1490 mib[3] = *pid;
1492 kp_size = sizeof (kp);
1493 if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1494 return (-1);
1496 if (name_max_len > (MAXCOMLEN + 1))
1497 name_max_len = MAXCOMLEN + 1;
1499 strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1500 name[name_max_len - 1] = '\0';
1502 DEBUG ("pid = %i; name = %s;", *pid, name);
1504 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1505 * `top' does it, because it is a lot of work and only used when
1506 * debugging. -octo */
1508 return (0);
1509 }
1510 #endif /* HAVE_THREAD_INFO */
1511 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1513 /* do actual readings from kernel */
1514 static int ps_read (void)
1515 {
1516 #if HAVE_THREAD_INFO
1517 kern_return_t status;
1519 processor_set_t port_pset_priv;
1521 task_array_t task_list;
1522 mach_msg_type_number_t task_list_len;
1524 int task_pid;
1525 char task_name[MAXCOMLEN + 1];
1527 thread_act_array_t thread_list;
1528 mach_msg_type_number_t thread_list_len;
1529 thread_basic_info_data_t thread_data;
1530 mach_msg_type_number_t thread_data_len;
1532 int running = 0;
1533 int sleeping = 0;
1534 int zombies = 0;
1535 int stopped = 0;
1536 int blocked = 0;
1538 procstat_t *ps;
1539 procstat_entry_t pse;
1541 ps_list_reset ();
1543 /*
1544 * The Mach-concept is a little different from the traditional UNIX
1545 * concept: All the work is done in threads. Threads are contained in
1546 * `tasks'. Therefore, `task status' doesn't make much sense, since
1547 * it's actually a `thread status'.
1548 * Tasks are assigned to sets of processors, so that's where you go to
1549 * get a list.
1550 */
1551 for (mach_msg_type_number_t pset = 0; pset < pset_list_len; pset++)
1552 {
1553 if ((status = host_processor_set_priv (port_host_self,
1554 pset_list[pset],
1555 &port_pset_priv)) != KERN_SUCCESS)
1556 {
1557 ERROR ("host_processor_set_priv failed: %s\n",
1558 mach_error_string (status));
1559 continue;
1560 }
1562 if ((status = processor_set_tasks (port_pset_priv,
1563 &task_list,
1564 &task_list_len)) != KERN_SUCCESS)
1565 {
1566 ERROR ("processor_set_tasks failed: %s\n",
1567 mach_error_string (status));
1568 mach_port_deallocate (port_task_self, port_pset_priv);
1569 continue;
1570 }
1572 for (mach_msg_type_number_t task = 0; task < task_list_len; task++)
1573 {
1574 ps = NULL;
1575 if (mach_get_task_name (task_list[task],
1576 &task_pid,
1577 task_name, PROCSTAT_NAME_LEN) == 0)
1578 {
1579 /* search for at least one match */
1580 for (ps = list_head_g; ps != NULL; ps = ps->next)
1581 /* FIXME: cmdline should be here instead of NULL */
1582 if (ps_list_match (task_name, NULL, ps) == 1)
1583 break;
1584 }
1586 /* Collect more detailed statistics for this process */
1587 if (ps != NULL)
1588 {
1589 task_basic_info_data_t task_basic_info;
1590 mach_msg_type_number_t task_basic_info_len;
1591 task_events_info_data_t task_events_info;
1592 mach_msg_type_number_t task_events_info_len;
1593 task_absolutetime_info_data_t task_absolutetime_info;
1594 mach_msg_type_number_t task_absolutetime_info_len;
1596 memset (&pse, '\0', sizeof (pse));
1597 pse.id = task_pid;
1599 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1600 status = task_info (task_list[task],
1601 TASK_BASIC_INFO,
1602 (task_info_t) &task_basic_info,
1603 &task_basic_info_len);
1604 if (status != KERN_SUCCESS)
1605 {
1606 ERROR ("task_info failed: %s",
1607 mach_error_string (status));
1608 continue; /* with next thread_list */
1609 }
1611 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1612 status = task_info (task_list[task],
1613 TASK_EVENTS_INFO,
1614 (task_info_t) &task_events_info,
1615 &task_events_info_len);
1616 if (status != KERN_SUCCESS)
1617 {
1618 ERROR ("task_info failed: %s",
1619 mach_error_string (status));
1620 continue; /* with next thread_list */
1621 }
1623 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1624 status = task_info (task_list[task],
1625 TASK_ABSOLUTETIME_INFO,
1626 (task_info_t) &task_absolutetime_info,
1627 &task_absolutetime_info_len);
1628 if (status != KERN_SUCCESS)
1629 {
1630 ERROR ("task_info failed: %s",
1631 mach_error_string (status));
1632 continue; /* with next thread_list */
1633 }
1635 pse.num_proc++;
1636 pse.vmem_size = task_basic_info.virtual_size;
1637 pse.vmem_rss = task_basic_info.resident_size;
1638 /* Does not seem to be easily exposed */
1639 pse.vmem_data = 0;
1640 pse.vmem_code = 0;
1642 pse.vmem_minflt_counter = task_events_info.cow_faults;
1643 pse.vmem_majflt_counter = task_events_info.faults;
1645 pse.cpu_user_counter = task_absolutetime_info.total_user;
1646 pse.cpu_system_counter = task_absolutetime_info.total_system;
1648 /* context switch counters not implemented */
1649 pse.cswitch_vol = -1;
1650 pse.cswitch_invol = -1;
1651 }
1653 status = task_threads (task_list[task], &thread_list,
1654 &thread_list_len);
1655 if (status != KERN_SUCCESS)
1656 {
1657 /* Apple's `top' treats this case a zombie. It
1658 * makes sense to some extend: A `zombie'
1659 * thread is nonsense, since the task/process
1660 * is dead. */
1661 zombies++;
1662 DEBUG ("task_threads failed: %s",
1663 mach_error_string (status));
1664 if (task_list[task] != port_task_self)
1665 mach_port_deallocate (port_task_self,
1666 task_list[task]);
1667 continue; /* with next task_list */
1668 }
1670 for (mach_msg_type_number_t thread = 0; thread < thread_list_len; thread++)
1671 {
1672 thread_data_len = THREAD_BASIC_INFO_COUNT;
1673 status = thread_info (thread_list[thread],
1674 THREAD_BASIC_INFO,
1675 (thread_info_t) &thread_data,
1676 &thread_data_len);
1677 if (status != KERN_SUCCESS)
1678 {
1679 ERROR ("thread_info failed: %s",
1680 mach_error_string (status));
1681 if (task_list[task] != port_task_self)
1682 mach_port_deallocate (port_task_self,
1683 thread_list[thread]);
1684 continue; /* with next thread_list */
1685 }
1687 if (ps != NULL)
1688 pse.num_lwp++;
1690 switch (thread_data.run_state)
1691 {
1692 case TH_STATE_RUNNING:
1693 running++;
1694 break;
1695 case TH_STATE_STOPPED:
1696 /* What exactly is `halted'? */
1697 case TH_STATE_HALTED:
1698 stopped++;
1699 break;
1700 case TH_STATE_WAITING:
1701 sleeping++;
1702 break;
1703 case TH_STATE_UNINTERRUPTIBLE:
1704 blocked++;
1705 break;
1706 /* There is no `zombie' case here,
1707 * since there are no zombie-threads.
1708 * There's only zombie tasks, which are
1709 * handled above. */
1710 default:
1711 WARNING ("Unknown thread status: %i",
1712 thread_data.run_state);
1713 break;
1714 } /* switch (thread_data.run_state) */
1716 if (task_list[task] != port_task_self)
1717 {
1718 status = mach_port_deallocate (port_task_self,
1719 thread_list[thread]);
1720 if (status != KERN_SUCCESS)
1721 ERROR ("mach_port_deallocate failed: %s",
1722 mach_error_string (status));
1723 }
1724 } /* for (thread_list) */
1726 if ((status = vm_deallocate (port_task_self,
1727 (vm_address_t) thread_list,
1728 thread_list_len * sizeof (thread_act_t)))
1729 != KERN_SUCCESS)
1730 {
1731 ERROR ("vm_deallocate failed: %s",
1732 mach_error_string (status));
1733 }
1734 thread_list = NULL;
1735 thread_list_len = 0;
1737 /* Only deallocate the task port, if it isn't our own.
1738 * Don't know what would happen in that case, but this
1739 * is what Apple's top does.. ;) */
1740 if (task_list[task] != port_task_self)
1741 {
1742 status = mach_port_deallocate (port_task_self,
1743 task_list[task]);
1744 if (status != KERN_SUCCESS)
1745 ERROR ("mach_port_deallocate failed: %s",
1746 mach_error_string (status));
1747 }
1749 if (ps != NULL)
1750 /* FIXME: cmdline should be here instead of NULL */
1751 ps_list_add (task_name, NULL, &pse);
1752 } /* for (task_list) */
1754 if ((status = vm_deallocate (port_task_self,
1755 (vm_address_t) task_list,
1756 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1757 {
1758 ERROR ("vm_deallocate failed: %s",
1759 mach_error_string (status));
1760 }
1761 task_list = NULL;
1762 task_list_len = 0;
1764 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1765 != KERN_SUCCESS)
1766 {
1767 ERROR ("mach_port_deallocate failed: %s",
1768 mach_error_string (status));
1769 }
1770 } /* for (pset_list) */
1772 ps_submit_state ("running", running);
1773 ps_submit_state ("sleeping", sleeping);
1774 ps_submit_state ("zombies", zombies);
1775 ps_submit_state ("stopped", stopped);
1776 ps_submit_state ("blocked", blocked);
1778 for (ps = list_head_g; ps != NULL; ps = ps->next)
1779 ps_submit_proc_list (ps);
1780 /* #endif HAVE_THREAD_INFO */
1782 #elif KERNEL_LINUX
1783 int running = 0;
1784 int sleeping = 0;
1785 int zombies = 0;
1786 int stopped = 0;
1787 int paging = 0;
1788 int blocked = 0;
1790 struct dirent *ent;
1791 DIR *proc;
1792 long pid;
1794 char cmdline[CMDLINE_BUFFER_SIZE];
1796 int status;
1797 procstat_t ps;
1798 procstat_entry_t pse;
1799 char state;
1801 running = sleeping = zombies = stopped = paging = blocked = 0;
1802 ps_list_reset ();
1804 if ((proc = opendir ("/proc")) == NULL)
1805 {
1806 char errbuf[1024];
1807 ERROR ("Cannot open `/proc': %s",
1808 sstrerror (errno, errbuf, sizeof (errbuf)));
1809 return (-1);
1810 }
1812 while ((ent = readdir (proc)) != NULL)
1813 {
1814 if (!isdigit (ent->d_name[0]))
1815 continue;
1817 if ((pid = atol (ent->d_name)) < 1)
1818 continue;
1820 status = ps_read_process (pid, &ps, &state);
1821 if (status != 0)
1822 {
1823 DEBUG ("ps_read_process failed: %i", status);
1824 continue;
1825 }
1827 memset (&pse, 0, sizeof (pse));
1828 pse.id = pid;
1829 pse.age = 0;
1831 pse.num_proc = ps.num_proc;
1832 pse.num_lwp = ps.num_lwp;
1833 pse.vmem_size = ps.vmem_size;
1834 pse.vmem_rss = ps.vmem_rss;
1835 pse.vmem_data = ps.vmem_data;
1836 pse.vmem_code = ps.vmem_code;
1837 pse.stack_size = ps.stack_size;
1839 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1840 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1842 pse.cpu_user_counter = ps.cpu_user_counter;
1843 pse.cpu_system_counter = ps.cpu_system_counter;
1845 pse.io_rchar = ps.io_rchar;
1846 pse.io_wchar = ps.io_wchar;
1847 pse.io_syscr = ps.io_syscr;
1848 pse.io_syscw = ps.io_syscw;
1850 pse.cswitch_vol = ps.cswitch_vol;
1851 pse.cswitch_invol = ps.cswitch_invol;
1853 switch (state)
1854 {
1855 case 'R': running++; break;
1856 case 'S': sleeping++; break;
1857 case 'D': blocked++; break;
1858 case 'Z': zombies++; break;
1859 case 'T': stopped++; break;
1860 case 'W': paging++; break;
1861 }
1863 ps_list_add (ps.name,
1864 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1865 &pse);
1866 }
1868 closedir (proc);
1870 ps_submit_state ("running", running);
1871 ps_submit_state ("sleeping", sleeping);
1872 ps_submit_state ("zombies", zombies);
1873 ps_submit_state ("stopped", stopped);
1874 ps_submit_state ("paging", paging);
1875 ps_submit_state ("blocked", blocked);
1877 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1878 ps_submit_proc_list (ps_ptr);
1880 read_fork_rate();
1881 /* #endif KERNEL_LINUX */
1883 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1884 int running = 0;
1885 int sleeping = 0;
1886 int zombies = 0;
1887 int stopped = 0;
1888 int blocked = 0;
1889 int idle = 0;
1890 int wait = 0;
1892 kvm_t *kd;
1893 char errbuf[_POSIX2_LINE_MAX];
1894 struct kinfo_proc *procs; /* array of processes */
1895 struct kinfo_proc *proc_ptr = NULL;
1896 int count; /* returns number of processes */
1898 procstat_entry_t pse;
1900 ps_list_reset ();
1902 /* Open the kvm interface, get a descriptor */
1903 kd = kvm_openfiles (NULL, "/dev/null", NULL, 0, errbuf);
1904 if (kd == NULL)
1905 {
1906 ERROR ("processes plugin: Cannot open kvm interface: %s",
1907 errbuf);
1908 return (0);
1909 }
1911 /* Get the list of processes. */
1912 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1913 if (procs == NULL)
1914 {
1915 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1916 kvm_geterr(kd));
1917 kvm_close (kd);
1918 return (0);
1919 }
1921 /* Iterate through the processes in kinfo_proc */
1922 for (int i = 0; i < count; i++)
1923 {
1924 /* Create only one process list entry per _process_, i.e.
1925 * filter out threads (duplicate PID entries). */
1926 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1927 {
1928 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1929 _Bool have_cmdline = 0;
1931 proc_ptr = &(procs[i]);
1932 /* Don't probe system processes and processes without arguments */
1933 if (((procs[i].ki_flag & P_SYSTEM) == 0)
1934 && (procs[i].ki_args != NULL))
1935 {
1936 char **argv;
1937 int argc;
1938 int status;
1940 /* retrieve the arguments */
1941 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1942 argc = 0;
1943 if ((argv != NULL) && (argv[0] != NULL))
1944 {
1945 while (argv[argc] != NULL)
1946 argc++;
1948 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1949 if (status < 0)
1950 WARNING ("processes plugin: Command line did not fit into buffer.");
1951 else
1952 have_cmdline = 1;
1953 }
1954 } /* if (process has argument list) */
1956 pse.id = procs[i].ki_pid;
1957 pse.age = 0;
1959 pse.num_proc = 1;
1960 pse.num_lwp = procs[i].ki_numthreads;
1962 pse.vmem_size = procs[i].ki_size;
1963 pse.vmem_rss = procs[i].ki_rssize * pagesize;
1964 pse.vmem_data = procs[i].ki_dsize * pagesize;
1965 pse.vmem_code = procs[i].ki_tsize * pagesize;
1966 pse.stack_size = procs[i].ki_ssize * pagesize;
1967 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1968 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1970 pse.cpu_user_counter = 0;
1971 pse.cpu_system_counter = 0;
1972 /*
1973 * The u-area might be swapped out, and we can't get
1974 * at it because we have a crashdump and no swap.
1975 * If it's here fill in these fields, otherwise, just
1976 * leave them 0.
1977 */
1978 if (procs[i].ki_flag & P_INMEM)
1979 {
1980 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
1981 + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
1982 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
1983 + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
1984 }
1986 /* no I/O data */
1987 pse.io_rchar = -1;
1988 pse.io_wchar = -1;
1989 pse.io_syscr = -1;
1990 pse.io_syscw = -1;
1992 /* context switch counters not implemented */
1993 pse.cswitch_vol = -1;
1994 pse.cswitch_invol = -1;
1996 ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
1998 switch (procs[i].ki_stat)
1999 {
2000 case SSTOP: stopped++; break;
2001 case SSLEEP: sleeping++; break;
2002 case SRUN: running++; break;
2003 case SIDL: idle++; break;
2004 case SWAIT: wait++; break;
2005 case SLOCK: blocked++; break;
2006 case SZOMB: zombies++; break;
2007 }
2008 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
2009 }
2011 kvm_close(kd);
2013 ps_submit_state ("running", running);
2014 ps_submit_state ("sleeping", sleeping);
2015 ps_submit_state ("zombies", zombies);
2016 ps_submit_state ("stopped", stopped);
2017 ps_submit_state ("blocked", blocked);
2018 ps_submit_state ("idle", idle);
2019 ps_submit_state ("wait", wait);
2021 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2022 ps_submit_proc_list (ps_ptr);
2023 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
2025 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD
2026 int running = 0;
2027 int sleeping = 0;
2028 int zombies = 0;
2029 int stopped = 0;
2030 int onproc = 0;
2031 int idle = 0;
2032 int dead = 0;
2034 kvm_t *kd;
2035 char errbuf[1024];
2036 struct kinfo_proc *procs; /* array of processes */
2037 struct kinfo_proc *proc_ptr = NULL;
2038 int count; /* returns number of processes */
2040 procstat_entry_t pse;
2042 ps_list_reset ();
2044 /* Open the kvm interface, get a descriptor */
2045 kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
2046 if (kd == NULL)
2047 {
2048 ERROR ("processes plugin: Cannot open kvm interface: %s",
2049 errbuf);
2050 return (0);
2051 }
2053 /* Get the list of processes. */
2054 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
2055 if (procs == NULL)
2056 {
2057 ERROR ("processes plugin: Cannot get kvm processes list: %s",
2058 kvm_geterr(kd));
2059 kvm_close (kd);
2060 return (0);
2061 }
2063 /* Iterate through the processes in kinfo_proc */
2064 for (int i = 0; i < count; i++)
2065 {
2066 /* Create only one process list entry per _process_, i.e.
2067 * filter out threads (duplicate PID entries). */
2068 if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid))
2069 {
2070 char cmdline[CMDLINE_BUFFER_SIZE] = "";
2071 _Bool have_cmdline = 0;
2073 proc_ptr = &(procs[i]);
2074 /* Don't probe zombie processes */
2075 if (!P_ZOMBIE(proc_ptr))
2076 {
2077 char **argv;
2078 int argc;
2079 int status;
2081 /* retrieve the arguments */
2082 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
2083 argc = 0;
2084 if ((argv != NULL) && (argv[0] != NULL))
2085 {
2086 while (argv[argc] != NULL)
2087 argc++;
2089 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
2090 if (status < 0)
2091 WARNING ("processes plugin: Command line did not fit into buffer.");
2092 else
2093 have_cmdline = 1;
2094 }
2095 } /* if (process has argument list) */
2097 memset (&pse, 0, sizeof (pse));
2098 pse.id = procs[i].p_pid;
2099 pse.age = 0;
2101 pse.num_proc = 1;
2102 pse.num_lwp = 1; /* XXX: accumulate p_tid values for a single p_pid ? */
2104 pse.vmem_rss = procs[i].p_vm_rssize * pagesize;
2105 pse.vmem_data = procs[i].p_vm_dsize * pagesize;
2106 pse.vmem_code = procs[i].p_vm_tsize * pagesize;
2107 pse.stack_size = procs[i].p_vm_ssize * pagesize;
2108 pse.vmem_size = pse.stack_size + pse.vmem_code + pse.vmem_data;
2109 pse.vmem_minflt_counter = procs[i].p_uru_minflt;
2110 pse.vmem_majflt_counter = procs[i].p_uru_majflt;
2112 pse.cpu_user_counter = procs[i].p_uutime_usec +
2113 (1000000lu * procs[i].p_uutime_sec);
2114 pse.cpu_system_counter = procs[i].p_ustime_usec +
2115 (1000000lu * procs[i].p_ustime_sec);
2117 /* no I/O data */
2118 pse.io_rchar = -1;
2119 pse.io_wchar = -1;
2120 pse.io_syscr = -1;
2121 pse.io_syscw = -1;
2123 /* context switch counters not implemented */
2124 pse.cswitch_vol = -1;
2125 pse.cswitch_invol = -1;
2127 ps_list_add (procs[i].p_comm, have_cmdline ? cmdline : NULL, &pse);
2129 switch (procs[i].p_stat)
2130 {
2131 case SSTOP: stopped++; break;
2132 case SSLEEP: sleeping++; break;
2133 case SRUN: running++; break;
2134 case SIDL: idle++; break;
2135 case SONPROC: onproc++; break;
2136 case SDEAD: dead++; break;
2137 case SZOMB: zombies++; break;
2138 }
2139 } /* if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) */
2140 }
2142 kvm_close(kd);
2144 ps_submit_state ("running", running);
2145 ps_submit_state ("sleeping", sleeping);
2146 ps_submit_state ("zombies", zombies);
2147 ps_submit_state ("stopped", stopped);
2148 ps_submit_state ("onproc", onproc);
2149 ps_submit_state ("idle", idle);
2150 ps_submit_state ("dead", dead);
2152 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2153 ps_submit_proc_list (ps_ptr);
2154 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD */
2156 #elif HAVE_PROCINFO_H
2157 /* AIX */
2158 int running = 0;
2159 int sleeping = 0;
2160 int zombies = 0;
2161 int stopped = 0;
2162 int paging = 0;
2163 int blocked = 0;
2165 pid_t pindex = 0;
2166 int nprocs;
2168 procstat_entry_t pse;
2170 ps_list_reset ();
2171 while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
2172 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
2173 &pindex, MAXPROCENTRY)) > 0)
2174 {
2175 for (int i = 0; i < nprocs; i++)
2176 {
2177 tid64_t thindex;
2178 int nthreads;
2179 char arglist[MAXARGLN+1];
2180 char *cargs;
2181 char *cmdline;
2183 if (procentry[i].pi_state == SNONE) continue;
2184 /* if (procentry[i].pi_state == SZOMB) FIXME */
2186 cmdline = procentry[i].pi_comm;
2187 cargs = procentry[i].pi_comm;
2188 if ( procentry[i].pi_flags & SKPROC )
2189 {
2190 if (procentry[i].pi_pid == 0)
2191 cmdline = "swapper";
2192 cargs = cmdline;
2193 }
2194 else
2195 {
2196 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
2197 {
2198 int n;
2200 n = -1;
2201 while (++n < MAXARGLN)
2202 {
2203 if (arglist[n] == '\0')
2204 {
2205 if (arglist[n+1] == '\0')
2206 break;
2207 arglist[n] = ' ';
2208 }
2209 }
2210 cargs = arglist;
2211 }
2212 }
2214 pse.id = procentry[i].pi_pid;
2215 pse.age = 0;
2216 pse.num_lwp = procentry[i].pi_thcount;
2217 pse.num_proc = 1;
2219 thindex=0;
2220 while ((nthreads = getthrds64(procentry[i].pi_pid,
2221 thrdentry, sizeof(struct thrdentry64),
2222 &thindex, MAXTHRDENTRY)) > 0)
2223 {
2224 int j;
2226 for (j=0; j< nthreads; j++)
2227 {
2228 switch (thrdentry[j].ti_state)
2229 {
2230 /* case TSNONE: break; */
2231 case TSIDL: blocked++; break; /* FIXME is really blocked */
2232 case TSRUN: running++; break;
2233 case TSSLEEP: sleeping++; break;
2234 case TSSWAP: paging++; break;
2235 case TSSTOP: stopped++; break;
2236 case TSZOMB: zombies++; break;
2237 }
2238 }
2239 if (nthreads < MAXTHRDENTRY)
2240 break;
2241 }
2243 /* tv_usec is nanosec ??? */
2244 pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2245 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2247 pse.cpu_system = 0;
2248 /* tv_usec is nanosec ??? */
2249 pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2250 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2252 pse.vmem_minflt_counter = procentry[i].pi_minflt;
2253 pse.vmem_majflt_counter = procentry[i].pi_majflt;
2255 pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2256 pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2257 /* Not supported */
2258 pse.vmem_data = 0;
2259 pse.vmem_code = 0;
2260 pse.stack_size = 0;
2262 pse.io_rchar = -1;
2263 pse.io_wchar = -1;
2264 pse.io_syscr = -1;
2265 pse.io_syscw = -1;
2267 pse.cswitch_vol = -1;
2268 pse.cswitch_invol = -1;
2270 ps_list_add (cmdline, cargs, &pse);
2271 } /* for (i = 0 .. nprocs) */
2273 if (nprocs < MAXPROCENTRY)
2274 break;
2275 } /* while (getprocs64() > 0) */
2276 ps_submit_state ("running", running);
2277 ps_submit_state ("sleeping", sleeping);
2278 ps_submit_state ("zombies", zombies);
2279 ps_submit_state ("stopped", stopped);
2280 ps_submit_state ("paging", paging);
2281 ps_submit_state ("blocked", blocked);
2283 for (procstat_t *ps = list_head_g; ps != NULL; ps = ps->next)
2284 ps_submit_proc_list (ps);
2285 /* #endif HAVE_PROCINFO_H */
2287 #elif KERNEL_SOLARIS
2288 /*
2289 * The Solaris section adds a few more process states and removes some
2290 * process states compared to linux. Most notably there is no "PAGING"
2291 * and "BLOCKED" state for a process. The rest is similar to the linux
2292 * code.
2293 */
2294 int running = 0;
2295 int sleeping = 0;
2296 int zombies = 0;
2297 int stopped = 0;
2298 int detached = 0;
2299 int daemon = 0;
2300 int system = 0;
2301 int orphan = 0;
2303 struct dirent *ent;
2304 DIR *proc;
2306 int status;
2307 char state;
2309 char cmdline[PRARGSZ];
2311 ps_list_reset ();
2313 proc = opendir ("/proc");
2314 if (proc == NULL)
2315 return (-1);
2317 while ((ent = readdir(proc)) != NULL)
2318 {
2319 long pid;
2320 struct procstat ps;
2321 procstat_entry_t pse;
2322 char *endptr;
2324 if (!isdigit ((int) ent->d_name[0]))
2325 continue;
2327 pid = strtol (ent->d_name, &endptr, 10);
2328 if (*endptr != 0) /* value didn't completely parse as a number */
2329 continue;
2331 status = ps_read_process (pid, &ps, &state);
2332 if (status != 0)
2333 {
2334 DEBUG("ps_read_process failed: %i", status);
2335 continue;
2336 }
2338 memset (&pse, 0, sizeof (pse));
2339 pse.id = pid;
2340 pse.age = 0;
2342 pse.num_proc = ps.num_proc;
2343 pse.num_lwp = ps.num_lwp;
2344 pse.vmem_size = ps.vmem_size;
2345 pse.vmem_rss = ps.vmem_rss;
2346 pse.vmem_data = ps.vmem_data;
2347 pse.vmem_code = ps.vmem_code;
2348 pse.stack_size = ps.stack_size;
2350 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2351 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2353 pse.cpu_user_counter = ps.cpu_user_counter;
2354 pse.cpu_system_counter = ps.cpu_system_counter;
2356 pse.io_rchar = ps.io_rchar;
2357 pse.io_wchar = ps.io_wchar;
2358 pse.io_syscr = ps.io_syscr;
2359 pse.io_syscw = ps.io_syscw;
2361 pse.cswitch_vol = -1;
2362 pse.cswitch_invol = -1;
2364 switch (state)
2365 {
2366 case 'R': running++; break;
2367 case 'S': sleeping++; break;
2368 case 'E': detached++; break;
2369 case 'Z': zombies++; break;
2370 case 'T': stopped++; break;
2371 case 'A': daemon++; break;
2372 case 'Y': system++; break;
2373 case 'O': orphan++; break;
2374 }
2377 ps_list_add (ps.name,
2378 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
2379 &pse);
2380 } /* while(readdir) */
2381 closedir (proc);
2383 ps_submit_state ("running", running);
2384 ps_submit_state ("sleeping", sleeping);
2385 ps_submit_state ("zombies", zombies);
2386 ps_submit_state ("stopped", stopped);
2387 ps_submit_state ("detached", detached);
2388 ps_submit_state ("daemon", daemon);
2389 ps_submit_state ("system", system);
2390 ps_submit_state ("orphan", orphan);
2392 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2393 ps_submit_proc_list (ps_ptr);
2395 read_fork_rate();
2396 #endif /* KERNEL_SOLARIS */
2398 return (0);
2399 } /* int ps_read */
2401 void module_register (void)
2402 {
2403 plugin_register_complex_config ("processes", ps_config);
2404 plugin_register_init ("processes", ps_init);
2405 plugin_register_read ("processes", ps_read);
2406 } /* void module_register */