5bacd5bd5e3d6b40e3bd39cb91f5c84e95bda4c3
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"
38 #include "common.h"
39 #include "plugin.h"
40 #include "configfile.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 (
370 _Bool init,
371 derive_t *group_counter,
372 derive_t *curr_counter, unsigned long *curr_value,
373 derive_t new_counter, unsigned long new_value) {
374 if (init)
375 {
376 *curr_value = new_value;
377 *curr_counter += new_value;
378 *group_counter += new_value;
379 return;
380 }
382 if (new_counter < *curr_counter)
383 {
384 *curr_value = new_counter + (ULONG_MAX - *curr_counter);
385 }
386 else
387 {
388 *curr_value = new_counter - *curr_counter;
389 }
390 *curr_counter = new_counter;
391 *group_counter += *curr_value;
392 }
394 /* add process entry to 'instances' of process 'name' (or refresh it) */
395 static void ps_list_add (const char *name, const char *cmdline, procstat_entry_t *entry)
396 {
397 procstat_t *ps;
398 procstat_entry_t *pse;
400 if (entry->id == 0)
401 return;
403 for (ps = list_head_g; ps != NULL; ps = ps->next)
404 {
405 _Bool want_init;
407 if ((ps_list_match (name, cmdline, ps)) == 0)
408 continue;
410 for (pse = ps->instances; pse != NULL; pse = pse->next)
411 if ((pse->id == entry->id) || (pse->next == NULL))
412 break;
414 if ((pse == NULL) || (pse->id != entry->id))
415 {
416 procstat_entry_t *new;
418 new = calloc (1, sizeof (*new));
419 if (new == NULL)
420 return;
421 new->id = entry->id;
423 if (pse == NULL)
424 ps->instances = new;
425 else
426 pse->next = new;
428 pse = new;
429 }
431 pse->age = 0;
432 pse->num_proc = entry->num_proc;
433 pse->num_lwp = entry->num_lwp;
434 pse->vmem_size = entry->vmem_size;
435 pse->vmem_rss = entry->vmem_rss;
436 pse->vmem_data = entry->vmem_data;
437 pse->vmem_code = entry->vmem_code;
438 pse->stack_size = entry->stack_size;
439 pse->io_rchar = entry->io_rchar;
440 pse->io_wchar = entry->io_wchar;
441 pse->io_syscr = entry->io_syscr;
442 pse->io_syscw = entry->io_syscw;
443 pse->cswitch_vol = entry->cswitch_vol;
444 pse->cswitch_invol = entry->cswitch_invol;
446 ps->num_proc += pse->num_proc;
447 ps->num_lwp += pse->num_lwp;
448 ps->vmem_size += pse->vmem_size;
449 ps->vmem_rss += pse->vmem_rss;
450 ps->vmem_data += pse->vmem_data;
451 ps->vmem_code += pse->vmem_code;
452 ps->stack_size += pse->stack_size;
454 ps->io_rchar += ((pse->io_rchar == -1)?0:pse->io_rchar);
455 ps->io_wchar += ((pse->io_wchar == -1)?0:pse->io_wchar);
456 ps->io_syscr += ((pse->io_syscr == -1)?0:pse->io_syscr);
457 ps->io_syscw += ((pse->io_syscw == -1)?0:pse->io_syscw);
459 ps->cswitch_vol += ((pse->cswitch_vol == -1)?0:pse->cswitch_vol);
460 ps->cswitch_invol += ((pse->cswitch_invol == -1)?0:pse->cswitch_invol);
462 want_init = (entry->vmem_minflt_counter == 0)
463 && (entry->vmem_majflt_counter == 0);
464 ps_update_counter (want_init,
465 &ps->vmem_minflt_counter,
466 &pse->vmem_minflt_counter, &pse->vmem_minflt,
467 entry->vmem_minflt_counter, entry->vmem_minflt);
468 ps_update_counter (want_init,
469 &ps->vmem_majflt_counter,
470 &pse->vmem_majflt_counter, &pse->vmem_majflt,
471 entry->vmem_majflt_counter, entry->vmem_majflt);
473 want_init = (entry->cpu_user_counter == 0)
474 && (entry->cpu_system_counter == 0);
475 ps_update_counter (want_init,
476 &ps->cpu_user_counter,
477 &pse->cpu_user_counter, &pse->cpu_user,
478 entry->cpu_user_counter, entry->cpu_user);
479 ps_update_counter (want_init,
480 &ps->cpu_system_counter,
481 &pse->cpu_system_counter, &pse->cpu_system,
482 entry->cpu_system_counter, entry->cpu_system);
483 }
484 }
486 /* remove old entries from instances of processes in list_head_g */
487 static void ps_list_reset (void)
488 {
489 procstat_t *ps;
490 procstat_entry_t *pse;
491 procstat_entry_t *pse_prev;
493 for (ps = list_head_g; ps != NULL; ps = ps->next)
494 {
495 ps->num_proc = 0;
496 ps->num_lwp = 0;
497 ps->vmem_size = 0;
498 ps->vmem_rss = 0;
499 ps->vmem_data = 0;
500 ps->vmem_code = 0;
501 ps->stack_size = 0;
502 ps->io_rchar = -1;
503 ps->io_wchar = -1;
504 ps->io_syscr = -1;
505 ps->io_syscw = -1;
506 ps->cswitch_vol = -1;
507 ps->cswitch_invol = -1;
509 pse_prev = NULL;
510 pse = ps->instances;
511 while (pse != NULL)
512 {
513 if (pse->age > 10)
514 {
515 DEBUG ("Removing this procstat entry cause it's too old: "
516 "id = %lu; name = %s;",
517 pse->id, ps->name);
519 if (pse_prev == NULL)
520 {
521 ps->instances = pse->next;
522 free (pse);
523 pse = ps->instances;
524 }
525 else
526 {
527 pse_prev->next = pse->next;
528 free (pse);
529 pse = pse_prev->next;
530 }
531 }
532 else
533 {
534 pse->age++;
535 pse_prev = pse;
536 pse = pse->next;
537 }
538 } /* while (pse != NULL) */
539 } /* for (ps = list_head_g; ps != NULL; ps = ps->next) */
540 }
542 /* put all pre-defined 'Process' names from config to list_head_g tree */
543 static int ps_config (oconfig_item_t *ci)
544 {
545 int i;
547 #if KERNEL_LINUX
548 const size_t max_procname_len = 15;
549 #elif KERNEL_SOLARIS || KERNEL_FREEBSD
550 const size_t max_procname_len = MAXCOMLEN -1;
551 #endif
553 for (i = 0; i < ci->children_num; ++i) {
554 oconfig_item_t *c = ci->children + i;
556 if (strcasecmp (c->key, "Process") == 0)
557 {
558 if ((c->values_num != 1)
559 || (OCONFIG_TYPE_STRING != c->values[0].type)) {
560 ERROR ("processes plugin: `Process' expects exactly "
561 "one string argument (got %i).",
562 c->values_num);
563 continue;
564 }
566 if (c->children_num != 0) {
567 WARNING ("processes plugin: the `Process' config option "
568 "does not expect any child elements -- ignoring "
569 "content (%i elements) of the <Process '%s'> block.",
570 c->children_num, c->values[0].value.string);
571 }
573 #if KERNEL_LINUX || KERNEL_SOLARIS || KERNEL_FREEBSD
574 if (strlen (c->values[0].value.string) > max_procname_len) {
575 WARNING ("processes plugin: this platform has a %zu character limit "
576 "to process names. The `Process \"%s\"' option will "
577 "not work as expected.",
578 max_procname_len, c->values[0].value.string);
579 }
580 #endif
582 ps_list_register (c->values[0].value.string, NULL);
583 }
584 else if (strcasecmp (c->key, "ProcessMatch") == 0)
585 {
586 if ((c->values_num != 2)
587 || (OCONFIG_TYPE_STRING != c->values[0].type)
588 || (OCONFIG_TYPE_STRING != c->values[1].type))
589 {
590 ERROR ("processes plugin: `ProcessMatch' needs exactly "
591 "two string arguments (got %i).",
592 c->values_num);
593 continue;
594 }
596 if (c->children_num != 0) {
597 WARNING ("processes plugin: the `ProcessMatch' config option "
598 "does not expect any child elements -- ignoring "
599 "content (%i elements) of the <ProcessMatch '%s' '%s'> "
600 "block.", c->children_num, c->values[0].value.string,
601 c->values[1].value.string);
602 }
604 ps_list_register (c->values[0].value.string,
605 c->values[1].value.string);
606 }
607 else if (strcasecmp (c->key, "CollectContextSwitch") == 0)
608 {
609 cf_util_get_boolean (c, &report_ctx_switch);
610 }
611 else
612 {
613 ERROR ("processes plugin: The `%s' configuration option is not "
614 "understood and will be ignored.", c->key);
615 continue;
616 }
617 }
619 return (0);
620 }
622 static int ps_init (void)
623 {
624 #if HAVE_THREAD_INFO
625 kern_return_t status;
627 port_host_self = mach_host_self ();
628 port_task_self = mach_task_self ();
630 if (pset_list != NULL)
631 {
632 vm_deallocate (port_task_self,
633 (vm_address_t) pset_list,
634 pset_list_len * sizeof (processor_set_t));
635 pset_list = NULL;
636 pset_list_len = 0;
637 }
639 if ((status = host_processor_sets (port_host_self,
640 &pset_list,
641 &pset_list_len)) != KERN_SUCCESS)
642 {
643 ERROR ("host_processor_sets failed: %s\n",
644 mach_error_string (status));
645 pset_list = NULL;
646 pset_list_len = 0;
647 return (-1);
648 }
649 /* #endif HAVE_THREAD_INFO */
651 #elif KERNEL_LINUX
652 pagesize_g = sysconf(_SC_PAGESIZE);
653 DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
654 pagesize_g, CONFIG_HZ);
655 /* #endif KERNEL_LINUX */
657 #elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
658 pagesize = getpagesize();
659 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
661 #elif HAVE_PROCINFO_H
662 pagesize = getpagesize();
663 #endif /* HAVE_PROCINFO_H */
665 return (0);
666 } /* int ps_init */
668 /* submit global state (e.g.: qty of zombies, running, etc..) */
669 static void ps_submit_state (const char *state, double value)
670 {
671 value_t values[1];
672 value_list_t vl = VALUE_LIST_INIT;
674 values[0].gauge = value;
676 vl.values = values;
677 vl.values_len = 1;
678 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
679 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
680 sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
681 sstrncpy (vl.type, "ps_state", sizeof (vl.type));
682 sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
684 plugin_dispatch_values (&vl);
685 }
687 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
688 static void ps_submit_proc_list (procstat_t *ps)
689 {
690 value_t values[2];
691 value_list_t vl = VALUE_LIST_INIT;
693 vl.values = values;
694 vl.values_len = 2;
695 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
696 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
697 sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
699 sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
700 vl.values[0].gauge = ps->vmem_size;
701 vl.values_len = 1;
702 plugin_dispatch_values (&vl);
704 sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
705 vl.values[0].gauge = ps->vmem_rss;
706 vl.values_len = 1;
707 plugin_dispatch_values (&vl);
709 sstrncpy (vl.type, "ps_data", sizeof (vl.type));
710 vl.values[0].gauge = ps->vmem_data;
711 vl.values_len = 1;
712 plugin_dispatch_values (&vl);
714 sstrncpy (vl.type, "ps_code", sizeof (vl.type));
715 vl.values[0].gauge = ps->vmem_code;
716 vl.values_len = 1;
717 plugin_dispatch_values (&vl);
719 sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
720 vl.values[0].gauge = ps->stack_size;
721 vl.values_len = 1;
722 plugin_dispatch_values (&vl);
724 sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
725 vl.values[0].derive = ps->cpu_user_counter;
726 vl.values[1].derive = ps->cpu_system_counter;
727 vl.values_len = 2;
728 plugin_dispatch_values (&vl);
730 sstrncpy (vl.type, "ps_count", sizeof (vl.type));
731 vl.values[0].gauge = ps->num_proc;
732 vl.values[1].gauge = ps->num_lwp;
733 vl.values_len = 2;
734 plugin_dispatch_values (&vl);
736 sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
737 vl.values[0].derive = ps->vmem_minflt_counter;
738 vl.values[1].derive = ps->vmem_majflt_counter;
739 vl.values_len = 2;
740 plugin_dispatch_values (&vl);
742 if ( (ps->io_rchar != -1) && (ps->io_wchar != -1) )
743 {
744 sstrncpy (vl.type, "ps_disk_octets", sizeof (vl.type));
745 vl.values[0].derive = ps->io_rchar;
746 vl.values[1].derive = ps->io_wchar;
747 vl.values_len = 2;
748 plugin_dispatch_values (&vl);
749 }
751 if ( (ps->io_syscr != -1) && (ps->io_syscw != -1) )
752 {
753 sstrncpy (vl.type, "ps_disk_ops", sizeof (vl.type));
754 vl.values[0].derive = ps->io_syscr;
755 vl.values[1].derive = ps->io_syscw;
756 vl.values_len = 2;
757 plugin_dispatch_values (&vl);
758 }
760 if ( report_ctx_switch )
761 {
762 sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
763 sstrncpy (vl.type_instance, "voluntary", sizeof (vl.type_instance));
764 vl.values[0].derive = ps->cswitch_vol;
765 vl.values_len = 1;
766 plugin_dispatch_values (&vl);
768 sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
769 sstrncpy (vl.type_instance, "involuntary", sizeof (vl.type_instance));
770 vl.values[0].derive = ps->cswitch_invol;
771 vl.values_len = 1;
772 plugin_dispatch_values (&vl);
773 }
775 DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
776 "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
777 "vmem_code = %lu; "
778 "vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
779 "cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
780 "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
781 "io_syscr = %"PRIi64"; io_syscw = %"PRIi64"; "
782 "cswitch_vol = %"PRIi64"; cswitch_invol = %"PRIi64";",
783 ps->name, ps->num_proc, ps->num_lwp,
784 ps->vmem_size, ps->vmem_rss,
785 ps->vmem_data, ps->vmem_code,
786 ps->vmem_minflt_counter, ps->vmem_majflt_counter,
787 ps->cpu_user_counter, ps->cpu_system_counter,
788 ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw,
789 ps->cswitch_vol, ps->cswitch_invol);
790 } /* void ps_submit_proc_list */
792 #if KERNEL_LINUX || KERNEL_SOLARIS
793 static void ps_submit_fork_rate (derive_t value)
794 {
795 value_t values[1];
796 value_list_t vl = VALUE_LIST_INIT;
798 values[0].derive = value;
800 vl.values = values;
801 vl.values_len = 1;
802 sstrncpy(vl.host, hostname_g, sizeof (vl.host));
803 sstrncpy(vl.plugin, "processes", sizeof (vl.plugin));
804 sstrncpy(vl.plugin_instance, "", sizeof (vl.plugin_instance));
805 sstrncpy(vl.type, "fork_rate", sizeof (vl.type));
806 sstrncpy(vl.type_instance, "", sizeof (vl.type_instance));
808 plugin_dispatch_values(&vl);
809 }
810 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
812 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
813 #if KERNEL_LINUX
814 static procstat_t *ps_read_tasks_status (long pid, procstat_t *ps)
815 {
816 char dirname[64];
817 DIR *dh;
818 char filename[64];
819 FILE *fh;
820 struct dirent *ent;
821 derive_t cswitch_vol = 0;
822 derive_t cswitch_invol = 0;
823 char buffer[1024];
824 char *fields[8];
825 int numfields;
827 ssnprintf (dirname, sizeof (dirname), "/proc/%li/task", pid);
829 if ((dh = opendir (dirname)) == NULL)
830 {
831 DEBUG ("Failed to open directory `%s'", dirname);
832 return (NULL);
833 }
835 while ((ent = readdir (dh)) != NULL)
836 {
837 char *tpid;
839 if (!isdigit ((int) ent->d_name[0]))
840 continue;
842 tpid = ent->d_name;
844 ssnprintf (filename, sizeof (filename), "/proc/%li/task/%s/status", pid, tpid);
845 if ((fh = fopen (filename, "r")) == NULL)
846 {
847 DEBUG ("Failed to open file `%s'", filename);
848 continue;
849 }
851 while (fgets (buffer, sizeof(buffer), fh) != NULL)
852 {
853 derive_t tmp;
854 char *endptr;
856 if (strncmp (buffer, "voluntary_ctxt_switches", 23) != 0
857 && strncmp (buffer, "nonvoluntary_ctxt_switches", 26) != 0)
858 continue;
860 numfields = strsplit (buffer, fields,
861 STATIC_ARRAY_SIZE (fields));
863 if (numfields < 2)
864 continue;
866 errno = 0;
867 endptr = NULL;
868 tmp = (derive_t) strtoll (fields[1], &endptr, /* base = */ 10);
869 if ((errno == 0) && (endptr != fields[1]))
870 {
871 if (strncmp (buffer, "voluntary_ctxt_switches", 23) == 0)
872 {
873 cswitch_vol += tmp;
874 }
875 else if (strncmp (buffer, "nonvoluntary_ctxt_switches", 26) == 0)
876 {
877 cswitch_invol += tmp;
878 }
879 }
880 } /* while (fgets) */
882 if (fclose (fh))
883 {
884 char errbuf[1024];
885 WARNING ("processes: fclose: %s",
886 sstrerror (errno, errbuf, sizeof (errbuf)));
887 }
888 }
889 closedir (dh);
891 ps->cswitch_vol = cswitch_vol;
892 ps->cswitch_invol = cswitch_invol;
894 return (ps);
895 } /* int *ps_read_tasks_status */
897 /* Read data from /proc/pid/status */
898 static procstat_t *ps_read_status (long pid, procstat_t *ps)
899 {
900 FILE *fh;
901 char buffer[1024];
902 char filename[64];
903 unsigned long lib = 0;
904 unsigned long exe = 0;
905 unsigned long data = 0;
906 unsigned long threads = 0;
907 char *fields[8];
908 int numfields;
910 ssnprintf (filename, sizeof (filename), "/proc/%li/status", pid);
911 if ((fh = fopen (filename, "r")) == NULL)
912 return (NULL);
914 while (fgets (buffer, sizeof(buffer), fh) != NULL)
915 {
916 unsigned long tmp;
917 char *endptr;
919 if (strncmp (buffer, "Vm", 2) != 0
920 && strncmp (buffer, "Threads", 7) != 0)
921 continue;
923 numfields = strsplit (buffer, fields,
924 STATIC_ARRAY_SIZE (fields));
926 if (numfields < 2)
927 continue;
929 errno = 0;
930 endptr = NULL;
931 tmp = strtoul (fields[1], &endptr, /* base = */ 10);
932 if ((errno == 0) && (endptr != fields[1]))
933 {
934 if (strncmp (buffer, "VmData", 6) == 0)
935 {
936 data = tmp;
937 }
938 else if (strncmp (buffer, "VmLib", 5) == 0)
939 {
940 lib = tmp;
941 }
942 else if (strncmp(buffer, "VmExe", 5) == 0)
943 {
944 exe = tmp;
945 }
946 else if (strncmp(buffer, "Threads", 7) == 0)
947 {
948 threads = tmp;
949 }
950 }
951 } /* while (fgets) */
953 if (fclose (fh))
954 {
955 char errbuf[1024];
956 WARNING ("processes: fclose: %s",
957 sstrerror (errno, errbuf, sizeof (errbuf)));
958 }
960 ps->vmem_data = data * 1024;
961 ps->vmem_code = (exe + lib) * 1024;
962 if (threads != 0)
963 ps->num_lwp = threads;
965 return (ps);
966 } /* procstat_t *ps_read_vmem */
968 static procstat_t *ps_read_io (long pid, procstat_t *ps)
969 {
970 FILE *fh;
971 char buffer[1024];
972 char filename[64];
974 char *fields[8];
975 int numfields;
977 ssnprintf (filename, sizeof (filename), "/proc/%li/io", pid);
978 if ((fh = fopen (filename, "r")) == NULL)
979 return (NULL);
981 while (fgets (buffer, sizeof (buffer), fh) != NULL)
982 {
983 derive_t *val = NULL;
984 long long tmp;
985 char *endptr;
987 if (strncasecmp (buffer, "rchar:", 6) == 0)
988 val = &(ps->io_rchar);
989 else if (strncasecmp (buffer, "wchar:", 6) == 0)
990 val = &(ps->io_wchar);
991 else if (strncasecmp (buffer, "syscr:", 6) == 0)
992 val = &(ps->io_syscr);
993 else if (strncasecmp (buffer, "syscw:", 6) == 0)
994 val = &(ps->io_syscw);
995 else
996 continue;
998 numfields = strsplit (buffer, fields,
999 STATIC_ARRAY_SIZE (fields));
1001 if (numfields < 2)
1002 continue;
1004 errno = 0;
1005 endptr = NULL;
1006 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
1007 if ((errno != 0) || (endptr == fields[1]))
1008 *val = -1;
1009 else
1010 *val = (derive_t) tmp;
1011 } /* while (fgets) */
1013 if (fclose (fh))
1014 {
1015 char errbuf[1024];
1016 WARNING ("processes: fclose: %s",
1017 sstrerror (errno, errbuf, sizeof (errbuf)));
1018 }
1020 return (ps);
1021 } /* procstat_t *ps_read_io */
1023 static int ps_read_process (long pid, procstat_t *ps, char *state)
1024 {
1025 char filename[64];
1026 char buffer[1024];
1028 char *fields[64];
1029 char fields_len;
1031 size_t buffer_len;
1033 char *buffer_ptr;
1034 size_t name_start_pos;
1035 size_t name_end_pos;
1036 size_t name_len;
1038 derive_t cpu_user_counter;
1039 derive_t cpu_system_counter;
1040 long long unsigned vmem_size;
1041 long long unsigned vmem_rss;
1042 long long unsigned stack_size;
1044 ssize_t status;
1046 memset (ps, 0, sizeof (procstat_t));
1048 ssnprintf (filename, sizeof (filename), "/proc/%li/stat", pid);
1050 status = read_file_contents (filename, buffer, sizeof(buffer) - 1);
1051 if (status <= 0)
1052 return (-1);
1053 buffer_len = (size_t) status;
1054 buffer[buffer_len] = 0;
1056 /* The name of the process is enclosed in parens. Since the name can
1057 * contain parens itself, spaces, numbers and pretty much everything
1058 * else, use these to determine the process name. We don't use
1059 * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
1060 * otherwise be required to determine name_len. */
1061 name_start_pos = 0;
1062 while (name_start_pos < buffer_len && buffer[name_start_pos] != '(')
1063 name_start_pos++;
1065 name_end_pos = buffer_len;
1066 while (name_end_pos > 0 && buffer[name_end_pos] != ')')
1067 name_end_pos--;
1069 /* Either '(' or ')' is not found or they are in the wrong order.
1070 * Anyway, something weird that shouldn't happen ever. */
1071 if (name_start_pos >= name_end_pos)
1072 {
1073 ERROR ("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
1074 name_start_pos, name_end_pos);
1075 return (-1);
1076 }
1078 name_len = (name_end_pos - name_start_pos) - 1;
1079 if (name_len >= sizeof (ps->name))
1080 name_len = sizeof (ps->name) - 1;
1082 sstrncpy (ps->name, &buffer[name_start_pos + 1], name_len + 1);
1084 if ((buffer_len - name_end_pos) < 2)
1085 return (-1);
1086 buffer_ptr = &buffer[name_end_pos + 2];
1088 fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
1089 if (fields_len < 22)
1090 {
1091 DEBUG ("processes plugin: ps_read_process (pid = %li):"
1092 " `%s' has only %i fields..",
1093 pid, filename, fields_len);
1094 return (-1);
1095 }
1097 *state = fields[0][0];
1099 if (*state == 'Z')
1100 {
1101 ps->num_lwp = 0;
1102 ps->num_proc = 0;
1103 }
1104 else
1105 {
1106 ps->num_lwp = strtoul (fields[17], /* endptr = */ NULL, /* base = */ 10);
1107 if ((ps_read_status(pid, ps)) == NULL)
1108 {
1109 /* No VMem data */
1110 ps->vmem_data = -1;
1111 ps->vmem_code = -1;
1112 DEBUG("ps_read_process: did not get vmem data for pid %li", pid);
1113 }
1114 if (ps->num_lwp == 0)
1115 ps->num_lwp = 1;
1116 ps->num_proc = 1;
1117 }
1119 /* Leave the rest at zero if this is only a zombi */
1120 if (ps->num_proc == 0)
1121 {
1122 DEBUG ("processes plugin: This is only a zombie: pid = %li; "
1123 "name = %s;", pid, ps->name);
1124 return (0);
1125 }
1127 cpu_user_counter = atoll (fields[11]);
1128 cpu_system_counter = atoll (fields[12]);
1129 vmem_size = atoll (fields[20]);
1130 vmem_rss = atoll (fields[21]);
1131 ps->vmem_minflt_counter = atol (fields[7]);
1132 ps->vmem_majflt_counter = atol (fields[9]);
1134 {
1135 unsigned long long stack_start = atoll (fields[25]);
1136 unsigned long long stack_ptr = atoll (fields[26]);
1138 stack_size = (stack_start > stack_ptr)
1139 ? stack_start - stack_ptr
1140 : stack_ptr - stack_start;
1141 }
1143 /* Convert jiffies to useconds */
1144 cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
1145 cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1146 vmem_rss = vmem_rss * pagesize_g;
1148 ps->cpu_user_counter = cpu_user_counter;
1149 ps->cpu_system_counter = cpu_system_counter;
1150 ps->vmem_size = (unsigned long) vmem_size;
1151 ps->vmem_rss = (unsigned long) vmem_rss;
1152 ps->stack_size = (unsigned long) stack_size;
1154 if ( (ps_read_io (pid, ps)) == NULL)
1155 {
1156 /* no io data */
1157 ps->io_rchar = -1;
1158 ps->io_wchar = -1;
1159 ps->io_syscr = -1;
1160 ps->io_syscw = -1;
1162 DEBUG("ps_read_process: not get io data for pid %li", pid);
1163 }
1165 if ( report_ctx_switch )
1166 {
1167 if ( (ps_read_tasks_status(pid, ps)) == NULL)
1168 {
1169 ps->cswitch_vol = -1;
1170 ps->cswitch_invol = -1;
1172 DEBUG("ps_read_tasks_status: not get context "
1173 "switch data for pid %li", pid);
1174 }
1175 }
1177 /* success */
1178 return (0);
1179 } /* int ps_read_process (...) */
1181 static char *ps_get_cmdline (long pid, char *name, char *buf, size_t buf_len)
1182 {
1183 char *buf_ptr;
1184 size_t len;
1186 char file[PATH_MAX];
1187 int fd;
1189 size_t n;
1191 if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1192 return NULL;
1194 ssnprintf (file, sizeof (file), "/proc/%li/cmdline", pid);
1196 errno = 0;
1197 fd = open (file, O_RDONLY);
1198 if (fd < 0) {
1199 char errbuf[4096];
1200 /* ENOENT means the process exited while we were handling it.
1201 * Don't complain about this, it only fills the logs. */
1202 if (errno != ENOENT)
1203 WARNING ("processes plugin: Failed to open `%s': %s.", file,
1204 sstrerror (errno, errbuf, sizeof (errbuf)));
1205 return NULL;
1206 }
1208 buf_ptr = buf;
1209 len = buf_len;
1211 n = 0;
1213 while (42) {
1214 ssize_t status;
1216 status = read (fd, (void *)buf_ptr, len);
1218 if (status < 0) {
1219 char errbuf[1024];
1221 if ((EAGAIN == errno) || (EINTR == errno))
1222 continue;
1224 WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1225 sstrerror (errno, errbuf, sizeof (errbuf)));
1226 close (fd);
1227 return NULL;
1228 }
1230 n += status;
1232 if (status == 0)
1233 break;
1235 buf_ptr += status;
1236 len -= status;
1238 if (len == 0)
1239 break;
1240 }
1242 close (fd);
1244 if (0 == n) {
1245 /* cmdline not available; e.g. kernel thread, zombie */
1246 if (NULL == name)
1247 return NULL;
1249 ssnprintf (buf, buf_len, "[%s]", name);
1250 return buf;
1251 }
1253 assert (n <= buf_len);
1255 if (n == buf_len)
1256 --n;
1257 buf[n] = '\0';
1259 --n;
1260 /* remove trailing whitespace */
1261 while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1262 buf[n] = '\0';
1263 --n;
1264 }
1266 /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1267 while (n > 0) {
1268 if ('\0' == buf[n])
1269 buf[n] = ' ';
1270 --n;
1271 }
1272 return buf;
1273 } /* char *ps_get_cmdline (...) */
1275 static int read_fork_rate (void)
1276 {
1277 FILE *proc_stat;
1278 char buffer[1024];
1279 value_t value;
1280 _Bool value_valid = 0;
1282 proc_stat = fopen ("/proc/stat", "r");
1283 if (proc_stat == NULL)
1284 {
1285 char errbuf[1024];
1286 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1287 sstrerror (errno, errbuf, sizeof (errbuf)));
1288 return (-1);
1289 }
1291 while (fgets (buffer, sizeof (buffer), proc_stat) != NULL)
1292 {
1293 int status;
1294 char *fields[3];
1295 int fields_num;
1297 fields_num = strsplit (buffer, fields,
1298 STATIC_ARRAY_SIZE (fields));
1299 if (fields_num != 2)
1300 continue;
1302 if (strcmp ("processes", fields[0]) != 0)
1303 continue;
1305 status = parse_value (fields[1], &value, DS_TYPE_DERIVE);
1306 if (status == 0)
1307 value_valid = 1;
1309 break;
1310 }
1311 fclose(proc_stat);
1313 if (!value_valid)
1314 return (-1);
1316 ps_submit_fork_rate (value.derive);
1317 return (0);
1318 }
1319 #endif /*KERNEL_LINUX */
1321 #if KERNEL_SOLARIS
1322 static char *ps_get_cmdline (long pid, char *name __attribute__((unused)), /* {{{ */
1323 char *buffer, size_t buffer_size)
1324 {
1325 char path[PATH_MAX];
1326 psinfo_t info;
1327 ssize_t status;
1329 snprintf(path, sizeof (path), "/proc/%li/psinfo", pid);
1331 status = read_file_contents (path, (void *) &info, sizeof (info));
1332 if ((status < 0) || (((size_t) status) != sizeof (info)))
1333 {
1334 ERROR ("processes plugin: Unexpected return value "
1335 "while reading \"%s\": "
1336 "Returned %zd but expected %zu.",
1337 path, status, buffer_size);
1338 return (NULL);
1339 }
1341 info.pr_psargs[sizeof (info.pr_psargs) - 1] = 0;
1342 sstrncpy (buffer, info.pr_psargs, buffer_size);
1344 return (buffer);
1345 } /* }}} int ps_get_cmdline */
1347 /*
1348 * Reads process information on the Solaris OS. The information comes mainly from
1349 * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1350 * The values for input and ouput chars are calculated "by hand"
1351 * Added a few "solaris" specific process states as well
1352 */
1353 static int ps_read_process(long pid, procstat_t *ps, char *state)
1354 {
1355 char filename[64];
1356 char f_psinfo[64], f_usage[64];
1357 char *buffer;
1359 pstatus_t *myStatus;
1360 psinfo_t *myInfo;
1361 prusage_t *myUsage;
1363 snprintf(filename, sizeof (filename), "/proc/%li/status", pid);
1364 snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%li/psinfo", pid);
1365 snprintf(f_usage, sizeof (f_usage), "/proc/%li/usage", pid);
1368 buffer = calloc(1, sizeof (pstatus_t));
1369 read_file_contents(filename, buffer, sizeof (pstatus_t));
1370 myStatus = (pstatus_t *) buffer;
1372 buffer = calloc(1, sizeof (psinfo_t));
1373 read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1374 myInfo = (psinfo_t *) buffer;
1376 buffer = calloc(1, sizeof (prusage_t));
1377 read_file_contents(f_usage, buffer, sizeof (prusage_t));
1378 myUsage = (prusage_t *) buffer;
1380 sstrncpy(ps->name, myInfo->pr_fname, sizeof (myInfo->pr_fname));
1381 ps->num_lwp = myStatus->pr_nlwp;
1382 if (myInfo->pr_wstat != 0) {
1383 ps->num_proc = 0;
1384 ps->num_lwp = 0;
1385 *state = (char) 'Z';
1387 sfree(myStatus);
1388 sfree(myInfo);
1389 sfree(myUsage);
1390 return (0);
1391 } else {
1392 ps->num_proc = 1;
1393 ps->num_lwp = myInfo->pr_nlwp;
1394 }
1396 /*
1397 * Convert system time and user time from nanoseconds to microseconds
1398 * for compatibility with the linux module
1399 */
1400 ps->cpu_system_counter = myStatus -> pr_stime.tv_nsec / 1000;
1401 ps->cpu_user_counter = myStatus -> pr_utime.tv_nsec / 1000;
1403 /*
1404 * Convert rssize from KB to bytes to be consistent w/ the linux module
1405 */
1406 ps->vmem_rss = myInfo->pr_rssize * 1024;
1407 ps->vmem_size = myInfo->pr_size * 1024;
1408 ps->vmem_minflt_counter = myUsage->pr_minf;
1409 ps->vmem_majflt_counter = myUsage->pr_majf;
1411 /*
1412 * TODO: Data and code segment calculations for Solaris
1413 */
1415 ps->vmem_data = -1;
1416 ps->vmem_code = -1;
1417 ps->stack_size = myStatus->pr_stksize;
1419 /*
1420 * Calculating input/ouput chars
1421 * Formula used is total chars / total blocks => chars/block
1422 * then convert input/output blocks to chars
1423 */
1424 ulong_t tot_chars = myUsage->pr_ioch;
1425 ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1426 ulong_t chars_per_block = 1;
1427 if (tot_blocks != 0)
1428 chars_per_block = tot_chars / tot_blocks;
1429 ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1430 ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1431 ps->io_syscr = myUsage->pr_sysc;
1432 ps->io_syscw = myUsage->pr_sysc;
1434 /*
1435 * TODO: context switch counters for Solaris
1436 */
1437 ps->cswitch_vol = -1;
1438 ps->cswitch_invol = -1;
1441 /*
1442 * TODO: Find way of setting BLOCKED and PAGING status
1443 */
1445 *state = (char) 'R';
1446 if (myStatus->pr_flags & PR_ASLEEP)
1447 *state = (char) 'S';
1448 else if (myStatus->pr_flags & PR_STOPPED)
1449 *state = (char) 'T';
1450 else if (myStatus->pr_flags & PR_DETACH)
1451 *state = (char) 'E';
1452 else if (myStatus->pr_flags & PR_DAEMON)
1453 *state = (char) 'A';
1454 else if (myStatus->pr_flags & PR_ISSYS)
1455 *state = (char) 'Y';
1456 else if (myStatus->pr_flags & PR_ORPHAN)
1457 *state = (char) 'O';
1459 sfree(myStatus);
1460 sfree(myInfo);
1461 sfree(myUsage);
1463 return (0);
1464 }
1466 /*
1467 * Reads the number of threads created since the last reboot. On Solaris these
1468 * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1469 * The result is the sum for all the threads created on each cpu
1470 */
1471 static int read_fork_rate (void)
1472 {
1473 extern kstat_ctl_t *kc;
1474 kstat_t *ksp_chain = NULL;
1475 derive_t result = 0;
1477 if (kc == NULL)
1478 return (-1);
1480 for (ksp_chain = kc->kc_chain;
1481 ksp_chain != NULL;
1482 ksp_chain = ksp_chain->ks_next)
1483 {
1484 if ((strcmp (ksp_chain->ks_module, "cpu") == 0)
1485 && (strcmp (ksp_chain->ks_name, "sys") == 0)
1486 && (strcmp (ksp_chain->ks_class, "misc") == 0))
1487 {
1488 long long tmp;
1490 kstat_read (kc, ksp_chain, NULL);
1492 tmp = get_kstat_value(ksp_chain, "nthreads");
1493 if (tmp != -1LL)
1494 result += tmp;
1495 }
1496 }
1498 ps_submit_fork_rate (result);
1499 return (0);
1500 }
1501 #endif /* KERNEL_SOLARIS */
1503 #if HAVE_THREAD_INFO
1504 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1505 {
1506 int mib[4];
1508 struct kinfo_proc kp;
1509 size_t kp_size;
1511 mib[0] = CTL_KERN;
1512 mib[1] = KERN_PROC;
1513 mib[2] = KERN_PROC_PID;
1515 if (pid_for_task (t, pid) != KERN_SUCCESS)
1516 return (-1);
1517 mib[3] = *pid;
1519 kp_size = sizeof (kp);
1520 if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1521 return (-1);
1523 if (name_max_len > (MAXCOMLEN + 1))
1524 name_max_len = MAXCOMLEN + 1;
1526 strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1527 name[name_max_len - 1] = '\0';
1529 DEBUG ("pid = %i; name = %s;", *pid, name);
1531 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1532 * `top' does it, because it is a lot of work and only used when
1533 * debugging. -octo */
1535 return (0);
1536 }
1537 #endif /* HAVE_THREAD_INFO */
1538 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1540 /* do actual readings from kernel */
1541 static int ps_read (void)
1542 {
1543 #if HAVE_THREAD_INFO
1544 kern_return_t status;
1546 int pset;
1547 processor_set_t port_pset_priv;
1549 int task;
1550 task_array_t task_list;
1551 mach_msg_type_number_t task_list_len;
1553 int task_pid;
1554 char task_name[MAXCOMLEN + 1];
1556 int thread;
1557 thread_act_array_t thread_list;
1558 mach_msg_type_number_t thread_list_len;
1559 thread_basic_info_data_t thread_data;
1560 mach_msg_type_number_t thread_data_len;
1562 int running = 0;
1563 int sleeping = 0;
1564 int zombies = 0;
1565 int stopped = 0;
1566 int blocked = 0;
1568 procstat_t *ps;
1569 procstat_entry_t pse;
1571 ps_list_reset ();
1573 /*
1574 * The Mach-concept is a little different from the traditional UNIX
1575 * concept: All the work is done in threads. Threads are contained in
1576 * `tasks'. Therefore, `task status' doesn't make much sense, since
1577 * it's actually a `thread status'.
1578 * Tasks are assigned to sets of processors, so that's where you go to
1579 * get a list.
1580 */
1581 for (pset = 0; pset < pset_list_len; pset++)
1582 {
1583 if ((status = host_processor_set_priv (port_host_self,
1584 pset_list[pset],
1585 &port_pset_priv)) != KERN_SUCCESS)
1586 {
1587 ERROR ("host_processor_set_priv failed: %s\n",
1588 mach_error_string (status));
1589 continue;
1590 }
1592 if ((status = processor_set_tasks (port_pset_priv,
1593 &task_list,
1594 &task_list_len)) != KERN_SUCCESS)
1595 {
1596 ERROR ("processor_set_tasks failed: %s\n",
1597 mach_error_string (status));
1598 mach_port_deallocate (port_task_self, port_pset_priv);
1599 continue;
1600 }
1602 for (task = 0; task < task_list_len; task++)
1603 {
1604 ps = NULL;
1605 if (mach_get_task_name (task_list[task],
1606 &task_pid,
1607 task_name, PROCSTAT_NAME_LEN) == 0)
1608 {
1609 /* search for at least one match */
1610 for (ps = list_head_g; ps != NULL; ps = ps->next)
1611 /* FIXME: cmdline should be here instead of NULL */
1612 if (ps_list_match (task_name, NULL, ps) == 1)
1613 break;
1614 }
1616 /* Collect more detailed statistics for this process */
1617 if (ps != NULL)
1618 {
1619 task_basic_info_data_t task_basic_info;
1620 mach_msg_type_number_t task_basic_info_len;
1621 task_events_info_data_t task_events_info;
1622 mach_msg_type_number_t task_events_info_len;
1623 task_absolutetime_info_data_t task_absolutetime_info;
1624 mach_msg_type_number_t task_absolutetime_info_len;
1626 memset (&pse, '\0', sizeof (pse));
1627 pse.id = task_pid;
1629 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1630 status = task_info (task_list[task],
1631 TASK_BASIC_INFO,
1632 (task_info_t) &task_basic_info,
1633 &task_basic_info_len);
1634 if (status != KERN_SUCCESS)
1635 {
1636 ERROR ("task_info failed: %s",
1637 mach_error_string (status));
1638 continue; /* with next thread_list */
1639 }
1641 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1642 status = task_info (task_list[task],
1643 TASK_EVENTS_INFO,
1644 (task_info_t) &task_events_info,
1645 &task_events_info_len);
1646 if (status != KERN_SUCCESS)
1647 {
1648 ERROR ("task_info failed: %s",
1649 mach_error_string (status));
1650 continue; /* with next thread_list */
1651 }
1653 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1654 status = task_info (task_list[task],
1655 TASK_ABSOLUTETIME_INFO,
1656 (task_info_t) &task_absolutetime_info,
1657 &task_absolutetime_info_len);
1658 if (status != KERN_SUCCESS)
1659 {
1660 ERROR ("task_info failed: %s",
1661 mach_error_string (status));
1662 continue; /* with next thread_list */
1663 }
1665 pse.num_proc++;
1666 pse.vmem_size = task_basic_info.virtual_size;
1667 pse.vmem_rss = task_basic_info.resident_size;
1668 /* Does not seem to be easily exposed */
1669 pse.vmem_data = 0;
1670 pse.vmem_code = 0;
1672 pse.vmem_minflt_counter = task_events_info.cow_faults;
1673 pse.vmem_majflt_counter = task_events_info.faults;
1675 pse.cpu_user_counter = task_absolutetime_info.total_user;
1676 pse.cpu_system_counter = task_absolutetime_info.total_system;
1678 /* context switch counters not implemented */
1679 pse.cswitch_vol = -1;
1680 pse.cswitch_invol = -1;
1681 }
1683 status = task_threads (task_list[task], &thread_list,
1684 &thread_list_len);
1685 if (status != KERN_SUCCESS)
1686 {
1687 /* Apple's `top' treats this case a zombie. It
1688 * makes sense to some extend: A `zombie'
1689 * thread is nonsense, since the task/process
1690 * is dead. */
1691 zombies++;
1692 DEBUG ("task_threads failed: %s",
1693 mach_error_string (status));
1694 if (task_list[task] != port_task_self)
1695 mach_port_deallocate (port_task_self,
1696 task_list[task]);
1697 continue; /* with next task_list */
1698 }
1700 for (thread = 0; thread < thread_list_len; thread++)
1701 {
1702 thread_data_len = THREAD_BASIC_INFO_COUNT;
1703 status = thread_info (thread_list[thread],
1704 THREAD_BASIC_INFO,
1705 (thread_info_t) &thread_data,
1706 &thread_data_len);
1707 if (status != KERN_SUCCESS)
1708 {
1709 ERROR ("thread_info failed: %s",
1710 mach_error_string (status));
1711 if (task_list[task] != port_task_self)
1712 mach_port_deallocate (port_task_self,
1713 thread_list[thread]);
1714 continue; /* with next thread_list */
1715 }
1717 if (ps != NULL)
1718 pse.num_lwp++;
1720 switch (thread_data.run_state)
1721 {
1722 case TH_STATE_RUNNING:
1723 running++;
1724 break;
1725 case TH_STATE_STOPPED:
1726 /* What exactly is `halted'? */
1727 case TH_STATE_HALTED:
1728 stopped++;
1729 break;
1730 case TH_STATE_WAITING:
1731 sleeping++;
1732 break;
1733 case TH_STATE_UNINTERRUPTIBLE:
1734 blocked++;
1735 break;
1736 /* There is no `zombie' case here,
1737 * since there are no zombie-threads.
1738 * There's only zombie tasks, which are
1739 * handled above. */
1740 default:
1741 WARNING ("Unknown thread status: %i",
1742 thread_data.run_state);
1743 break;
1744 } /* switch (thread_data.run_state) */
1746 if (task_list[task] != port_task_self)
1747 {
1748 status = mach_port_deallocate (port_task_self,
1749 thread_list[thread]);
1750 if (status != KERN_SUCCESS)
1751 ERROR ("mach_port_deallocate failed: %s",
1752 mach_error_string (status));
1753 }
1754 } /* for (thread_list) */
1756 if ((status = vm_deallocate (port_task_self,
1757 (vm_address_t) thread_list,
1758 thread_list_len * sizeof (thread_act_t)))
1759 != KERN_SUCCESS)
1760 {
1761 ERROR ("vm_deallocate failed: %s",
1762 mach_error_string (status));
1763 }
1764 thread_list = NULL;
1765 thread_list_len = 0;
1767 /* Only deallocate the task port, if it isn't our own.
1768 * Don't know what would happen in that case, but this
1769 * is what Apple's top does.. ;) */
1770 if (task_list[task] != port_task_self)
1771 {
1772 status = mach_port_deallocate (port_task_self,
1773 task_list[task]);
1774 if (status != KERN_SUCCESS)
1775 ERROR ("mach_port_deallocate failed: %s",
1776 mach_error_string (status));
1777 }
1779 if (ps != NULL)
1780 /* FIXME: cmdline should be here instead of NULL */
1781 ps_list_add (task_name, NULL, &pse);
1782 } /* for (task_list) */
1784 if ((status = vm_deallocate (port_task_self,
1785 (vm_address_t) task_list,
1786 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1787 {
1788 ERROR ("vm_deallocate failed: %s",
1789 mach_error_string (status));
1790 }
1791 task_list = NULL;
1792 task_list_len = 0;
1794 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1795 != KERN_SUCCESS)
1796 {
1797 ERROR ("mach_port_deallocate failed: %s",
1798 mach_error_string (status));
1799 }
1800 } /* for (pset_list) */
1802 ps_submit_state ("running", running);
1803 ps_submit_state ("sleeping", sleeping);
1804 ps_submit_state ("zombies", zombies);
1805 ps_submit_state ("stopped", stopped);
1806 ps_submit_state ("blocked", blocked);
1808 for (ps = list_head_g; ps != NULL; ps = ps->next)
1809 ps_submit_proc_list (ps);
1810 /* #endif HAVE_THREAD_INFO */
1812 #elif KERNEL_LINUX
1813 int running = 0;
1814 int sleeping = 0;
1815 int zombies = 0;
1816 int stopped = 0;
1817 int paging = 0;
1818 int blocked = 0;
1820 struct dirent *ent;
1821 DIR *proc;
1822 long pid;
1824 char cmdline[CMDLINE_BUFFER_SIZE];
1826 int status;
1827 procstat_t ps;
1828 procstat_entry_t pse;
1829 char state;
1831 procstat_t *ps_ptr;
1833 running = sleeping = zombies = stopped = paging = blocked = 0;
1834 ps_list_reset ();
1836 if ((proc = opendir ("/proc")) == NULL)
1837 {
1838 char errbuf[1024];
1839 ERROR ("Cannot open `/proc': %s",
1840 sstrerror (errno, errbuf, sizeof (errbuf)));
1841 return (-1);
1842 }
1844 while ((ent = readdir (proc)) != NULL)
1845 {
1846 if (!isdigit (ent->d_name[0]))
1847 continue;
1849 if ((pid = atol (ent->d_name)) < 1)
1850 continue;
1852 status = ps_read_process (pid, &ps, &state);
1853 if (status != 0)
1854 {
1855 DEBUG ("ps_read_process failed: %i", status);
1856 continue;
1857 }
1859 memset (&pse, 0, sizeof (pse));
1860 pse.id = pid;
1861 pse.age = 0;
1863 pse.num_proc = ps.num_proc;
1864 pse.num_lwp = ps.num_lwp;
1865 pse.vmem_size = ps.vmem_size;
1866 pse.vmem_rss = ps.vmem_rss;
1867 pse.vmem_data = ps.vmem_data;
1868 pse.vmem_code = ps.vmem_code;
1869 pse.stack_size = ps.stack_size;
1871 pse.vmem_minflt = 0;
1872 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1873 pse.vmem_majflt = 0;
1874 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1876 pse.cpu_user = 0;
1877 pse.cpu_user_counter = ps.cpu_user_counter;
1878 pse.cpu_system = 0;
1879 pse.cpu_system_counter = ps.cpu_system_counter;
1881 pse.io_rchar = ps.io_rchar;
1882 pse.io_wchar = ps.io_wchar;
1883 pse.io_syscr = ps.io_syscr;
1884 pse.io_syscw = ps.io_syscw;
1886 pse.cswitch_vol = ps.cswitch_vol;
1887 pse.cswitch_invol = ps.cswitch_invol;
1889 switch (state)
1890 {
1891 case 'R': running++; break;
1892 case 'S': sleeping++; break;
1893 case 'D': blocked++; break;
1894 case 'Z': zombies++; break;
1895 case 'T': stopped++; break;
1896 case 'W': paging++; break;
1897 }
1899 ps_list_add (ps.name,
1900 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1901 &pse);
1902 }
1904 closedir (proc);
1906 ps_submit_state ("running", running);
1907 ps_submit_state ("sleeping", sleeping);
1908 ps_submit_state ("zombies", zombies);
1909 ps_submit_state ("stopped", stopped);
1910 ps_submit_state ("paging", paging);
1911 ps_submit_state ("blocked", blocked);
1913 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1914 ps_submit_proc_list (ps_ptr);
1916 read_fork_rate();
1917 /* #endif KERNEL_LINUX */
1919 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1920 int running = 0;
1921 int sleeping = 0;
1922 int zombies = 0;
1923 int stopped = 0;
1924 int blocked = 0;
1925 int idle = 0;
1926 int wait = 0;
1928 kvm_t *kd;
1929 char errbuf[_POSIX2_LINE_MAX];
1930 struct kinfo_proc *procs; /* array of processes */
1931 struct kinfo_proc *proc_ptr = NULL;
1932 int count; /* returns number of processes */
1933 int i;
1935 procstat_t *ps_ptr;
1936 procstat_entry_t pse;
1938 ps_list_reset ();
1940 /* Open the kvm interface, get a descriptor */
1941 kd = kvm_openfiles (NULL, "/dev/null", NULL, 0, errbuf);
1942 if (kd == NULL)
1943 {
1944 ERROR ("processes plugin: Cannot open kvm interface: %s",
1945 errbuf);
1946 return (0);
1947 }
1949 /* Get the list of processes. */
1950 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1951 if (procs == NULL)
1952 {
1953 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1954 kvm_geterr(kd));
1955 kvm_close (kd);
1956 return (0);
1957 }
1959 /* Iterate through the processes in kinfo_proc */
1960 for (i = 0; i < count; i++)
1961 {
1962 /* Create only one process list entry per _process_, i.e.
1963 * filter out threads (duplicate PID entries). */
1964 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1965 {
1966 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1967 _Bool have_cmdline = 0;
1969 proc_ptr = &(procs[i]);
1970 /* Don't probe system processes and processes without arguments */
1971 if (((procs[i].ki_flag & P_SYSTEM) == 0)
1972 && (procs[i].ki_args != NULL))
1973 {
1974 char **argv;
1975 int argc;
1976 int status;
1978 /* retrieve the arguments */
1979 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1980 argc = 0;
1981 if ((argv != NULL) && (argv[0] != NULL))
1982 {
1983 while (argv[argc] != NULL)
1984 argc++;
1986 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1987 if (status < 0)
1988 WARNING ("processes plugin: Command line did not fit into buffer.");
1989 else
1990 have_cmdline = 1;
1991 }
1992 } /* if (process has argument list) */
1994 pse.id = procs[i].ki_pid;
1995 pse.age = 0;
1997 pse.num_proc = 1;
1998 pse.num_lwp = procs[i].ki_numthreads;
2000 pse.vmem_size = procs[i].ki_size;
2001 pse.vmem_rss = procs[i].ki_rssize * pagesize;
2002 pse.vmem_data = procs[i].ki_dsize * pagesize;
2003 pse.vmem_code = procs[i].ki_tsize * pagesize;
2004 pse.stack_size = procs[i].ki_ssize * pagesize;
2005 pse.vmem_minflt = 0;
2006 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
2007 pse.vmem_majflt = 0;
2008 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
2010 pse.cpu_user = 0;
2011 pse.cpu_system = 0;
2012 pse.cpu_user_counter = 0;
2013 pse.cpu_system_counter = 0;
2014 /*
2015 * The u-area might be swapped out, and we can't get
2016 * at it because we have a crashdump and no swap.
2017 * If it's here fill in these fields, otherwise, just
2018 * leave them 0.
2019 */
2020 if (procs[i].ki_flag & P_INMEM)
2021 {
2022 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
2023 + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
2024 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
2025 + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
2026 }
2028 /* no I/O data */
2029 pse.io_rchar = -1;
2030 pse.io_wchar = -1;
2031 pse.io_syscr = -1;
2032 pse.io_syscw = -1;
2034 /* context switch counters not implemented */
2035 pse.cswitch_vol = -1;
2036 pse.cswitch_invol = -1;
2038 ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
2040 switch (procs[i].ki_stat)
2041 {
2042 case SSTOP: stopped++; break;
2043 case SSLEEP: sleeping++; break;
2044 case SRUN: running++; break;
2045 case SIDL: idle++; break;
2046 case SWAIT: wait++; break;
2047 case SLOCK: blocked++; break;
2048 case SZOMB: zombies++; break;
2049 }
2050 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
2051 }
2053 kvm_close(kd);
2055 ps_submit_state ("running", running);
2056 ps_submit_state ("sleeping", sleeping);
2057 ps_submit_state ("zombies", zombies);
2058 ps_submit_state ("stopped", stopped);
2059 ps_submit_state ("blocked", blocked);
2060 ps_submit_state ("idle", idle);
2061 ps_submit_state ("wait", wait);
2063 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2064 ps_submit_proc_list (ps_ptr);
2065 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
2067 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD
2068 int running = 0;
2069 int sleeping = 0;
2070 int zombies = 0;
2071 int stopped = 0;
2072 int onproc = 0;
2073 int idle = 0;
2074 int dead = 0;
2076 kvm_t *kd;
2077 char errbuf[1024];
2078 struct kinfo_proc *procs; /* array of processes */
2079 struct kinfo_proc *proc_ptr = NULL;
2080 int count; /* returns number of processes */
2081 int i;
2083 procstat_t *ps_ptr;
2084 procstat_entry_t pse;
2086 ps_list_reset ();
2088 /* Open the kvm interface, get a descriptor */
2089 kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
2090 if (kd == NULL)
2091 {
2092 ERROR ("processes plugin: Cannot open kvm interface: %s",
2093 errbuf);
2094 return (0);
2095 }
2097 /* Get the list of processes. */
2098 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
2099 if (procs == NULL)
2100 {
2101 ERROR ("processes plugin: Cannot get kvm processes list: %s",
2102 kvm_geterr(kd));
2103 kvm_close (kd);
2104 return (0);
2105 }
2107 /* Iterate through the processes in kinfo_proc */
2108 for (i = 0; i < count; i++)
2109 {
2110 /* Create only one process list entry per _process_, i.e.
2111 * filter out threads (duplicate PID entries). */
2112 if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid))
2113 {
2114 char cmdline[CMDLINE_BUFFER_SIZE] = "";
2115 _Bool have_cmdline = 0;
2117 proc_ptr = &(procs[i]);
2118 /* Don't probe zombie processes */
2119 if (!P_ZOMBIE(proc_ptr))
2120 {
2121 char **argv;
2122 int argc;
2123 int status;
2125 /* retrieve the arguments */
2126 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
2127 argc = 0;
2128 if ((argv != NULL) && (argv[0] != NULL))
2129 {
2130 while (argv[argc] != NULL)
2131 argc++;
2133 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
2134 if (status < 0)
2135 WARNING ("processes plugin: Command line did not fit into buffer.");
2136 else
2137 have_cmdline = 1;
2138 }
2139 } /* if (process has argument list) */
2141 memset (&pse, 0, sizeof (pse));
2142 pse.id = procs[i].p_pid;
2143 pse.age = 0;
2145 pse.num_proc = 1;
2146 pse.num_lwp = 1; /* XXX: accumulate p_tid values for a single p_pid ? */
2148 pse.vmem_rss = procs[i].p_vm_rssize * pagesize;
2149 pse.vmem_data = procs[i].p_vm_dsize * pagesize;
2150 pse.vmem_code = procs[i].p_vm_tsize * pagesize;
2151 pse.stack_size = procs[i].p_vm_ssize * pagesize;
2152 pse.vmem_size = pse.stack_size + pse.vmem_code + pse.vmem_data;
2153 pse.vmem_minflt = 0;
2154 pse.vmem_minflt_counter = procs[i].p_uru_minflt;
2155 pse.vmem_majflt = 0;
2156 pse.vmem_majflt_counter = procs[i].p_uru_majflt;
2158 pse.cpu_user = 0;
2159 pse.cpu_system = 0;
2160 pse.cpu_user_counter = procs[i].p_uutime_usec +
2161 (1000000lu * procs[i].p_uutime_sec);
2162 pse.cpu_system_counter = procs[i].p_ustime_usec +
2163 (1000000lu * procs[i].p_ustime_sec);
2165 /* no I/O data */
2166 pse.io_rchar = -1;
2167 pse.io_wchar = -1;
2168 pse.io_syscr = -1;
2169 pse.io_syscw = -1;
2171 /* context switch counters not implemented */
2172 pse.cswitch_vol = -1;
2173 pse.cswitch_invol = -1;
2175 ps_list_add (procs[i].p_comm, have_cmdline ? cmdline : NULL, &pse);
2177 switch (procs[i].p_stat)
2178 {
2179 case SSTOP: stopped++; break;
2180 case SSLEEP: sleeping++; break;
2181 case SRUN: running++; break;
2182 case SIDL: idle++; break;
2183 case SONPROC: onproc++; break;
2184 case SDEAD: dead++; break;
2185 case SZOMB: zombies++; break;
2186 }
2187 } /* if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) */
2188 }
2190 kvm_close(kd);
2192 ps_submit_state ("running", running);
2193 ps_submit_state ("sleeping", sleeping);
2194 ps_submit_state ("zombies", zombies);
2195 ps_submit_state ("stopped", stopped);
2196 ps_submit_state ("onproc", onproc);
2197 ps_submit_state ("idle", idle);
2198 ps_submit_state ("dead", dead);
2200 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2201 ps_submit_proc_list (ps_ptr);
2202 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD */
2204 #elif HAVE_PROCINFO_H
2205 /* AIX */
2206 int running = 0;
2207 int sleeping = 0;
2208 int zombies = 0;
2209 int stopped = 0;
2210 int paging = 0;
2211 int blocked = 0;
2213 pid_t pindex = 0;
2214 int nprocs;
2216 procstat_t *ps;
2217 procstat_entry_t pse;
2219 ps_list_reset ();
2220 while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
2221 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
2222 &pindex, MAXPROCENTRY)) > 0)
2223 {
2224 int i;
2226 for (i = 0; i < nprocs; i++)
2227 {
2228 tid64_t thindex;
2229 int nthreads;
2230 char arglist[MAXARGLN+1];
2231 char *cargs;
2232 char *cmdline;
2234 if (procentry[i].pi_state == SNONE) continue;
2235 /* if (procentry[i].pi_state == SZOMB) FIXME */
2237 cmdline = procentry[i].pi_comm;
2238 cargs = procentry[i].pi_comm;
2239 if ( procentry[i].pi_flags & SKPROC )
2240 {
2241 if (procentry[i].pi_pid == 0)
2242 cmdline = "swapper";
2243 cargs = cmdline;
2244 }
2245 else
2246 {
2247 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
2248 {
2249 int n;
2251 n = -1;
2252 while (++n < MAXARGLN)
2253 {
2254 if (arglist[n] == '\0')
2255 {
2256 if (arglist[n+1] == '\0')
2257 break;
2258 arglist[n] = ' ';
2259 }
2260 }
2261 cargs = arglist;
2262 }
2263 }
2265 pse.id = procentry[i].pi_pid;
2266 pse.age = 0;
2267 pse.num_lwp = procentry[i].pi_thcount;
2268 pse.num_proc = 1;
2270 thindex=0;
2271 while ((nthreads = getthrds64(procentry[i].pi_pid,
2272 thrdentry, sizeof(struct thrdentry64),
2273 &thindex, MAXTHRDENTRY)) > 0)
2274 {
2275 int j;
2277 for (j=0; j< nthreads; j++)
2278 {
2279 switch (thrdentry[j].ti_state)
2280 {
2281 /* case TSNONE: break; */
2282 case TSIDL: blocked++; break; /* FIXME is really blocked */
2283 case TSRUN: running++; break;
2284 case TSSLEEP: sleeping++; break;
2285 case TSSWAP: paging++; break;
2286 case TSSTOP: stopped++; break;
2287 case TSZOMB: zombies++; break;
2288 }
2289 }
2290 if (nthreads < MAXTHRDENTRY)
2291 break;
2292 }
2294 pse.cpu_user = 0;
2295 /* tv_usec is nanosec ??? */
2296 pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2297 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2299 pse.cpu_system = 0;
2300 /* tv_usec is nanosec ??? */
2301 pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2302 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2304 pse.vmem_minflt = 0;
2305 pse.vmem_minflt_counter = procentry[i].pi_minflt;
2306 pse.vmem_majflt = 0;
2307 pse.vmem_majflt_counter = procentry[i].pi_majflt;
2309 pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2310 pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2311 /* Not supported */
2312 pse.vmem_data = 0;
2313 pse.vmem_code = 0;
2314 pse.stack_size = 0;
2316 pse.io_rchar = -1;
2317 pse.io_wchar = -1;
2318 pse.io_syscr = -1;
2319 pse.io_syscw = -1;
2321 pse.cswitch_vol = -1;
2322 pse.cswitch_invol = -1;
2324 ps_list_add (cmdline, cargs, &pse);
2325 } /* for (i = 0 .. nprocs) */
2327 if (nprocs < MAXPROCENTRY)
2328 break;
2329 } /* while (getprocs64() > 0) */
2330 ps_submit_state ("running", running);
2331 ps_submit_state ("sleeping", sleeping);
2332 ps_submit_state ("zombies", zombies);
2333 ps_submit_state ("stopped", stopped);
2334 ps_submit_state ("paging", paging);
2335 ps_submit_state ("blocked", blocked);
2337 for (ps = list_head_g; ps != NULL; ps = ps->next)
2338 ps_submit_proc_list (ps);
2339 /* #endif HAVE_PROCINFO_H */
2341 #elif KERNEL_SOLARIS
2342 /*
2343 * The Solaris section adds a few more process states and removes some
2344 * process states compared to linux. Most notably there is no "PAGING"
2345 * and "BLOCKED" state for a process. The rest is similar to the linux
2346 * code.
2347 */
2348 int running = 0;
2349 int sleeping = 0;
2350 int zombies = 0;
2351 int stopped = 0;
2352 int detached = 0;
2353 int daemon = 0;
2354 int system = 0;
2355 int orphan = 0;
2357 struct dirent *ent;
2358 DIR *proc;
2360 int status;
2361 procstat_t *ps_ptr;
2362 char state;
2364 char cmdline[PRARGSZ];
2366 ps_list_reset ();
2368 proc = opendir ("/proc");
2369 if (proc == NULL)
2370 return (-1);
2372 while ((ent = readdir(proc)) != NULL)
2373 {
2374 long pid;
2375 struct procstat ps;
2376 procstat_entry_t pse;
2377 char *endptr;
2379 if (!isdigit ((int) ent->d_name[0]))
2380 continue;
2382 pid = strtol (ent->d_name, &endptr, 10);
2383 if (*endptr != 0) /* value didn't completely parse as a number */
2384 continue;
2386 status = ps_read_process (pid, &ps, &state);
2387 if (status != 0)
2388 {
2389 DEBUG("ps_read_process failed: %i", status);
2390 continue;
2391 }
2393 memset (&pse, 0, sizeof (pse));
2394 pse.id = pid;
2395 pse.age = 0;
2397 pse.num_proc = ps.num_proc;
2398 pse.num_lwp = ps.num_lwp;
2399 pse.vmem_size = ps.vmem_size;
2400 pse.vmem_rss = ps.vmem_rss;
2401 pse.vmem_data = ps.vmem_data;
2402 pse.vmem_code = ps.vmem_code;
2403 pse.stack_size = ps.stack_size;
2405 pse.vmem_minflt = 0;
2406 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2407 pse.vmem_majflt = 0;
2408 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2410 pse.cpu_user = 0;
2411 pse.cpu_user_counter = ps.cpu_user_counter;
2412 pse.cpu_system = 0;
2413 pse.cpu_system_counter = ps.cpu_system_counter;
2415 pse.io_rchar = ps.io_rchar;
2416 pse.io_wchar = ps.io_wchar;
2417 pse.io_syscr = ps.io_syscr;
2418 pse.io_syscw = ps.io_syscw;
2420 pse.cswitch_vol = -1;
2421 pse.cswitch_invol = -1;
2423 switch (state)
2424 {
2425 case 'R': running++; break;
2426 case 'S': sleeping++; break;
2427 case 'E': detached++; break;
2428 case 'Z': zombies++; break;
2429 case 'T': stopped++; break;
2430 case 'A': daemon++; break;
2431 case 'Y': system++; break;
2432 case 'O': orphan++; break;
2433 }
2436 ps_list_add (ps.name,
2437 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
2438 &pse);
2439 } /* while(readdir) */
2440 closedir (proc);
2442 ps_submit_state ("running", running);
2443 ps_submit_state ("sleeping", sleeping);
2444 ps_submit_state ("zombies", zombies);
2445 ps_submit_state ("stopped", stopped);
2446 ps_submit_state ("detached", detached);
2447 ps_submit_state ("daemon", daemon);
2448 ps_submit_state ("system", system);
2449 ps_submit_state ("orphan", orphan);
2451 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2452 ps_submit_proc_list (ps_ptr);
2454 read_fork_rate();
2455 #endif /* KERNEL_SOLARIS */
2457 return (0);
2458 } /* int ps_read */
2460 void module_register (void)
2461 {
2462 plugin_register_complex_config ("processes", ps_config);
2463 plugin_register_init ("processes", ps_init);
2464 plugin_register_read ("processes", ps_read);
2465 } /* void module_register */