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 <dirent.h>
132 /* #endif KERNEL_SOLARIS */
134 #else
135 # error "No applicable input method."
136 #endif
138 #if HAVE_REGEX_H
139 # include <regex.h>
140 #endif
142 #if HAVE_KSTAT_H
143 # include <kstat.h>
144 #endif
146 #ifndef CMDLINE_BUFFER_SIZE
147 # if defined(ARG_MAX) && (ARG_MAX < 4096)
148 # define CMDLINE_BUFFER_SIZE ARG_MAX
149 # else
150 # define CMDLINE_BUFFER_SIZE 4096
151 # endif
152 #endif
154 typedef struct procstat_entry_s
155 {
156 unsigned long id;
157 unsigned long age;
159 unsigned long num_proc;
160 unsigned long num_lwp;
161 unsigned long vmem_size;
162 unsigned long vmem_rss;
163 unsigned long vmem_data;
164 unsigned long vmem_code;
165 unsigned long stack_size;
167 unsigned long vmem_minflt;
168 unsigned long vmem_majflt;
169 derive_t vmem_minflt_counter;
170 derive_t vmem_majflt_counter;
172 unsigned long cpu_user;
173 unsigned long cpu_system;
174 derive_t cpu_user_counter;
175 derive_t cpu_system_counter;
177 /* io data */
178 derive_t io_rchar;
179 derive_t io_wchar;
180 derive_t io_syscr;
181 derive_t io_syscw;
183 derive_t cswitch_vol;
184 derive_t cswitch_invol;
186 struct procstat_entry_s *next;
187 } procstat_entry_t;
189 #define PROCSTAT_NAME_LEN 256
190 typedef struct procstat
191 {
192 char name[PROCSTAT_NAME_LEN];
193 #if HAVE_REGEX_H
194 regex_t *re;
195 #endif
197 unsigned long num_proc;
198 unsigned long num_lwp;
199 unsigned long vmem_size;
200 unsigned long vmem_rss;
201 unsigned long vmem_data;
202 unsigned long vmem_code;
203 unsigned long stack_size;
205 derive_t vmem_minflt_counter;
206 derive_t vmem_majflt_counter;
208 derive_t cpu_user_counter;
209 derive_t cpu_system_counter;
211 /* io data */
212 derive_t io_rchar;
213 derive_t io_wchar;
214 derive_t io_syscr;
215 derive_t io_syscw;
217 derive_t cswitch_vol;
218 derive_t cswitch_invol;
220 struct procstat *next;
221 struct procstat_entry_s *instances;
222 } procstat_t;
224 static procstat_t *list_head_g = NULL;
226 static _Bool report_ctx_switch = 0;
228 #if HAVE_THREAD_INFO
229 static mach_port_t port_host_self;
230 static mach_port_t port_task_self;
232 static processor_set_name_array_t pset_list;
233 static mach_msg_type_number_t pset_list_len;
234 /* #endif HAVE_THREAD_INFO */
236 #elif KERNEL_LINUX
237 static long pagesize_g;
238 /* #endif KERNEL_LINUX */
240 #elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
241 static int pagesize;
242 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
244 #elif HAVE_PROCINFO_H
245 static struct procentry64 procentry[MAXPROCENTRY];
246 static struct thrdentry64 thrdentry[MAXTHRDENTRY];
247 static int pagesize;
249 #ifndef _AIXVERSION_610
250 int getprocs64 (void *procsinfo, int sizproc, void *fdsinfo, int sizfd, pid_t *index, int count);
251 int getthrds64( pid_t, void *, int, tid64_t *, int );
252 #endif
253 int getargs (void *processBuffer, int bufferLen, char *argsBuffer, int argsLen);
254 #endif /* HAVE_PROCINFO_H */
256 /* put name of process from config to list_head_g tree
257 * list_head_g is a list of 'procstat_t' structs with
258 * processes names we want to watch */
259 static void ps_list_register (const char *name, const char *regexp)
260 {
261 procstat_t *new;
262 procstat_t *ptr;
263 int status;
265 new = (procstat_t *) malloc (sizeof (procstat_t));
266 if (new == NULL)
267 {
268 ERROR ("processes plugin: ps_list_register: malloc failed.");
269 return;
270 }
271 memset (new, 0, sizeof (procstat_t));
272 sstrncpy (new->name, name, sizeof (new->name));
274 #if HAVE_REGEX_H
275 if (regexp != NULL)
276 {
277 DEBUG ("ProcessMatch: adding \"%s\" as criteria to process %s.", regexp, name);
278 new->re = (regex_t *) malloc (sizeof (regex_t));
279 if (new->re == NULL)
280 {
281 ERROR ("processes plugin: ps_list_register: malloc failed.");
282 sfree (new);
283 return;
284 }
286 status = regcomp (new->re, regexp, REG_EXTENDED | REG_NOSUB);
287 if (status != 0)
288 {
289 DEBUG ("ProcessMatch: compiling the regular expression \"%s\" failed.", regexp);
290 sfree (new->re);
291 sfree (new);
292 return;
293 }
294 }
295 #else
296 if (regexp != NULL)
297 {
298 ERROR ("processes plugin: ps_list_register: "
299 "Regular expression \"%s\" found in config "
300 "file, but support for regular expressions "
301 "has been disabled at compile time.",
302 regexp);
303 sfree (new);
304 return;
305 }
306 #endif
308 for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
309 {
310 if (strcmp (ptr->name, name) == 0)
311 {
312 WARNING ("processes plugin: You have configured more "
313 "than one `Process' or "
314 "`ProcessMatch' with the same name. "
315 "All but the first setting will be "
316 "ignored.");
317 #if HAVE_REGEX_H
318 sfree (new->re);
319 #endif
320 sfree (new);
321 return;
322 }
324 if (ptr->next == NULL)
325 break;
326 }
328 if (ptr == NULL)
329 list_head_g = new;
330 else
331 ptr->next = new;
332 } /* void ps_list_register */
334 /* try to match name against entry, returns 1 if success */
335 static int ps_list_match (const char *name, const char *cmdline, procstat_t *ps)
336 {
337 #if HAVE_REGEX_H
338 if (ps->re != NULL)
339 {
340 int status;
341 const char *str;
343 str = cmdline;
344 if ((str == NULL) || (str[0] == 0))
345 str = name;
347 assert (str != NULL);
349 status = regexec (ps->re, str,
350 /* nmatch = */ 0,
351 /* pmatch = */ NULL,
352 /* eflags = */ 0);
353 if (status == 0)
354 return (1);
355 }
356 else
357 #endif
358 if (strcmp (ps->name, name) == 0)
359 return (1);
361 return (0);
362 } /* int ps_list_match */
364 static void ps_update_counter (
365 _Bool init,
366 derive_t *group_counter,
367 derive_t *curr_counter, unsigned long *curr_value,
368 derive_t new_counter, unsigned long new_value) {
369 if (init)
370 {
371 *curr_value = new_value;
372 *curr_counter += new_value;
373 *group_counter += new_value;
374 return;
375 }
377 if (new_counter < *curr_counter)
378 {
379 *curr_value = new_counter + (ULONG_MAX - *curr_counter);
380 }
381 else
382 {
383 *curr_value = new_counter - *curr_counter;
384 }
385 *curr_counter = new_counter;
386 *group_counter += *curr_value;
387 }
389 /* add process entry to 'instances' of process 'name' (or refresh it) */
390 static void ps_list_add (const char *name, const char *cmdline, procstat_entry_t *entry)
391 {
392 procstat_t *ps;
393 procstat_entry_t *pse;
395 if (entry->id == 0)
396 return;
398 for (ps = list_head_g; ps != NULL; ps = ps->next)
399 {
400 _Bool want_init;
402 if ((ps_list_match (name, cmdline, ps)) == 0)
403 continue;
405 for (pse = ps->instances; pse != NULL; pse = pse->next)
406 if ((pse->id == entry->id) || (pse->next == NULL))
407 break;
409 if ((pse == NULL) || (pse->id != entry->id))
410 {
411 procstat_entry_t *new;
413 new = (procstat_entry_t *) malloc (sizeof (procstat_entry_t));
414 if (new == NULL)
415 return;
416 memset (new, 0, sizeof (procstat_entry_t));
417 new->id = entry->id;
419 if (pse == NULL)
420 ps->instances = new;
421 else
422 pse->next = new;
424 pse = new;
425 }
427 pse->age = 0;
428 pse->num_proc = entry->num_proc;
429 pse->num_lwp = entry->num_lwp;
430 pse->vmem_size = entry->vmem_size;
431 pse->vmem_rss = entry->vmem_rss;
432 pse->vmem_data = entry->vmem_data;
433 pse->vmem_code = entry->vmem_code;
434 pse->stack_size = entry->stack_size;
435 pse->io_rchar = entry->io_rchar;
436 pse->io_wchar = entry->io_wchar;
437 pse->io_syscr = entry->io_syscr;
438 pse->io_syscw = entry->io_syscw;
439 pse->cswitch_vol = entry->cswitch_vol;
440 pse->cswitch_invol = entry->cswitch_invol;
442 ps->num_proc += pse->num_proc;
443 ps->num_lwp += pse->num_lwp;
444 ps->vmem_size += pse->vmem_size;
445 ps->vmem_rss += pse->vmem_rss;
446 ps->vmem_data += pse->vmem_data;
447 ps->vmem_code += pse->vmem_code;
448 ps->stack_size += pse->stack_size;
450 ps->io_rchar += ((pse->io_rchar == -1)?0:pse->io_rchar);
451 ps->io_wchar += ((pse->io_wchar == -1)?0:pse->io_wchar);
452 ps->io_syscr += ((pse->io_syscr == -1)?0:pse->io_syscr);
453 ps->io_syscw += ((pse->io_syscw == -1)?0:pse->io_syscw);
455 ps->cswitch_vol += ((pse->cswitch_vol == -1)?0:pse->cswitch_vol);
456 ps->cswitch_invol += ((pse->cswitch_invol == -1)?0:pse->cswitch_invol);
458 want_init = (entry->vmem_minflt_counter == 0)
459 && (entry->vmem_majflt_counter == 0);
460 ps_update_counter (want_init,
461 &ps->vmem_minflt_counter,
462 &pse->vmem_minflt_counter, &pse->vmem_minflt,
463 entry->vmem_minflt_counter, entry->vmem_minflt);
464 ps_update_counter (want_init,
465 &ps->vmem_majflt_counter,
466 &pse->vmem_majflt_counter, &pse->vmem_majflt,
467 entry->vmem_majflt_counter, entry->vmem_majflt);
469 want_init = (entry->cpu_user_counter == 0)
470 && (entry->cpu_system_counter == 0);
471 ps_update_counter (want_init,
472 &ps->cpu_user_counter,
473 &pse->cpu_user_counter, &pse->cpu_user,
474 entry->cpu_user_counter, entry->cpu_user);
475 ps_update_counter (want_init,
476 &ps->cpu_system_counter,
477 &pse->cpu_system_counter, &pse->cpu_system,
478 entry->cpu_system_counter, entry->cpu_system);
479 }
480 }
482 /* remove old entries from instances of processes in list_head_g */
483 static void ps_list_reset (void)
484 {
485 procstat_t *ps;
486 procstat_entry_t *pse;
487 procstat_entry_t *pse_prev;
489 for (ps = list_head_g; ps != NULL; ps = ps->next)
490 {
491 ps->num_proc = 0;
492 ps->num_lwp = 0;
493 ps->vmem_size = 0;
494 ps->vmem_rss = 0;
495 ps->vmem_data = 0;
496 ps->vmem_code = 0;
497 ps->stack_size = 0;
498 ps->io_rchar = -1;
499 ps->io_wchar = -1;
500 ps->io_syscr = -1;
501 ps->io_syscw = -1;
502 ps->cswitch_vol = -1;
503 ps->cswitch_invol = -1;
505 pse_prev = NULL;
506 pse = ps->instances;
507 while (pse != NULL)
508 {
509 if (pse->age > 10)
510 {
511 DEBUG ("Removing this procstat entry cause it's too old: "
512 "id = %lu; name = %s;",
513 pse->id, ps->name);
515 if (pse_prev == NULL)
516 {
517 ps->instances = pse->next;
518 free (pse);
519 pse = ps->instances;
520 }
521 else
522 {
523 pse_prev->next = pse->next;
524 free (pse);
525 pse = pse_prev->next;
526 }
527 }
528 else
529 {
530 pse->age++;
531 pse_prev = pse;
532 pse = pse->next;
533 }
534 } /* while (pse != NULL) */
535 } /* for (ps = list_head_g; ps != NULL; ps = ps->next) */
536 }
538 /* put all pre-defined 'Process' names from config to list_head_g tree */
539 static int ps_config (oconfig_item_t *ci)
540 {
541 int i;
543 for (i = 0; i < ci->children_num; ++i) {
544 oconfig_item_t *c = ci->children + i;
546 if (strcasecmp (c->key, "Process") == 0)
547 {
548 if ((c->values_num != 1)
549 || (OCONFIG_TYPE_STRING != c->values[0].type)) {
550 ERROR ("processes plugin: `Process' expects exactly "
551 "one string argument (got %i).",
552 c->values_num);
553 continue;
554 }
556 if (c->children_num != 0) {
557 WARNING ("processes plugin: the `Process' config option "
558 "does not expect any child elements -- ignoring "
559 "content (%i elements) of the <Process '%s'> block.",
560 c->children_num, c->values[0].value.string);
561 }
563 ps_list_register (c->values[0].value.string, NULL);
564 }
565 else if (strcasecmp (c->key, "ProcessMatch") == 0)
566 {
567 if ((c->values_num != 2)
568 || (OCONFIG_TYPE_STRING != c->values[0].type)
569 || (OCONFIG_TYPE_STRING != c->values[1].type))
570 {
571 ERROR ("processes plugin: `ProcessMatch' needs exactly "
572 "two string arguments (got %i).",
573 c->values_num);
574 continue;
575 }
577 if (c->children_num != 0) {
578 WARNING ("processes plugin: the `ProcessMatch' config option "
579 "does not expect any child elements -- ignoring "
580 "content (%i elements) of the <ProcessMatch '%s' '%s'> "
581 "block.", c->children_num, c->values[0].value.string,
582 c->values[1].value.string);
583 }
585 ps_list_register (c->values[0].value.string,
586 c->values[1].value.string);
587 }
588 else if (strcasecmp (c->key, "CollectContextSwitch") == 0)
589 {
590 cf_util_get_boolean (c, &report_ctx_switch);
591 }
592 else
593 {
594 ERROR ("processes plugin: The `%s' configuration option is not "
595 "understood and will be ignored.", c->key);
596 continue;
597 }
598 }
600 return (0);
601 }
603 static int ps_init (void)
604 {
605 #if HAVE_THREAD_INFO
606 kern_return_t status;
608 port_host_self = mach_host_self ();
609 port_task_self = mach_task_self ();
611 if (pset_list != NULL)
612 {
613 vm_deallocate (port_task_self,
614 (vm_address_t) pset_list,
615 pset_list_len * sizeof (processor_set_t));
616 pset_list = NULL;
617 pset_list_len = 0;
618 }
620 if ((status = host_processor_sets (port_host_self,
621 &pset_list,
622 &pset_list_len)) != KERN_SUCCESS)
623 {
624 ERROR ("host_processor_sets failed: %s\n",
625 mach_error_string (status));
626 pset_list = NULL;
627 pset_list_len = 0;
628 return (-1);
629 }
630 /* #endif HAVE_THREAD_INFO */
632 #elif KERNEL_LINUX
633 pagesize_g = sysconf(_SC_PAGESIZE);
634 DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
635 pagesize_g, CONFIG_HZ);
636 /* #endif KERNEL_LINUX */
638 #elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
639 pagesize = getpagesize();
640 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
642 #elif HAVE_PROCINFO_H
643 pagesize = getpagesize();
644 #endif /* HAVE_PROCINFO_H */
646 return (0);
647 } /* int ps_init */
649 /* submit global state (e.g.: qty of zombies, running, etc..) */
650 static void ps_submit_state (const char *state, double value)
651 {
652 value_t values[1];
653 value_list_t vl = VALUE_LIST_INIT;
655 values[0].gauge = value;
657 vl.values = values;
658 vl.values_len = 1;
659 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
660 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
661 sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
662 sstrncpy (vl.type, "ps_state", sizeof (vl.type));
663 sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
665 plugin_dispatch_values (&vl);
666 }
668 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
669 static void ps_submit_proc_list (procstat_t *ps)
670 {
671 value_t values[2];
672 value_list_t vl = VALUE_LIST_INIT;
674 vl.values = values;
675 vl.values_len = 2;
676 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
677 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
678 sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
680 sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
681 vl.values[0].gauge = ps->vmem_size;
682 vl.values_len = 1;
683 plugin_dispatch_values (&vl);
685 sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
686 vl.values[0].gauge = ps->vmem_rss;
687 vl.values_len = 1;
688 plugin_dispatch_values (&vl);
690 sstrncpy (vl.type, "ps_data", sizeof (vl.type));
691 vl.values[0].gauge = ps->vmem_data;
692 vl.values_len = 1;
693 plugin_dispatch_values (&vl);
695 sstrncpy (vl.type, "ps_code", sizeof (vl.type));
696 vl.values[0].gauge = ps->vmem_code;
697 vl.values_len = 1;
698 plugin_dispatch_values (&vl);
700 sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
701 vl.values[0].gauge = ps->stack_size;
702 vl.values_len = 1;
703 plugin_dispatch_values (&vl);
705 sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
706 vl.values[0].derive = ps->cpu_user_counter;
707 vl.values[1].derive = ps->cpu_system_counter;
708 vl.values_len = 2;
709 plugin_dispatch_values (&vl);
711 sstrncpy (vl.type, "ps_count", sizeof (vl.type));
712 vl.values[0].gauge = ps->num_proc;
713 vl.values[1].gauge = ps->num_lwp;
714 vl.values_len = 2;
715 plugin_dispatch_values (&vl);
717 sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
718 vl.values[0].derive = ps->vmem_minflt_counter;
719 vl.values[1].derive = ps->vmem_majflt_counter;
720 vl.values_len = 2;
721 plugin_dispatch_values (&vl);
723 if ( (ps->io_rchar != -1) && (ps->io_wchar != -1) )
724 {
725 sstrncpy (vl.type, "ps_disk_octets", sizeof (vl.type));
726 vl.values[0].derive = ps->io_rchar;
727 vl.values[1].derive = ps->io_wchar;
728 vl.values_len = 2;
729 plugin_dispatch_values (&vl);
730 }
732 if ( (ps->io_syscr != -1) && (ps->io_syscw != -1) )
733 {
734 sstrncpy (vl.type, "ps_disk_ops", sizeof (vl.type));
735 vl.values[0].derive = ps->io_syscr;
736 vl.values[1].derive = ps->io_syscw;
737 vl.values_len = 2;
738 plugin_dispatch_values (&vl);
739 }
741 if ( report_ctx_switch )
742 {
743 sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
744 sstrncpy (vl.type_instance, "voluntary", sizeof (vl.type_instance));
745 vl.values[0].derive = ps->cswitch_vol;
746 vl.values_len = 1;
747 plugin_dispatch_values (&vl);
749 sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
750 sstrncpy (vl.type_instance, "involuntary", sizeof (vl.type_instance));
751 vl.values[0].derive = ps->cswitch_invol;
752 vl.values_len = 1;
753 plugin_dispatch_values (&vl);
754 }
756 DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
757 "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
758 "vmem_code = %lu; "
759 "vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
760 "cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
761 "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
762 "io_syscr = %"PRIi64"; io_syscw = %"PRIi64"; "
763 "cswitch_vol = %"PRIi64"; cswitch_invol = %"PRIi64";",
764 ps->name, ps->num_proc, ps->num_lwp,
765 ps->vmem_size, ps->vmem_rss,
766 ps->vmem_data, ps->vmem_code,
767 ps->vmem_minflt_counter, ps->vmem_majflt_counter,
768 ps->cpu_user_counter, ps->cpu_system_counter,
769 ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw,
770 ps->cswitch_vol, ps->cswitch_invol);
771 } /* void ps_submit_proc_list */
773 #if KERNEL_LINUX || KERNEL_SOLARIS
774 static void ps_submit_fork_rate (derive_t value)
775 {
776 value_t values[1];
777 value_list_t vl = VALUE_LIST_INIT;
779 values[0].derive = value;
781 vl.values = values;
782 vl.values_len = 1;
783 sstrncpy(vl.host, hostname_g, sizeof (vl.host));
784 sstrncpy(vl.plugin, "processes", sizeof (vl.plugin));
785 sstrncpy(vl.plugin_instance, "", sizeof (vl.plugin_instance));
786 sstrncpy(vl.type, "fork_rate", sizeof (vl.type));
787 sstrncpy(vl.type_instance, "", sizeof (vl.type_instance));
789 plugin_dispatch_values(&vl);
790 }
791 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
793 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
794 #if KERNEL_LINUX
795 static procstat_t *ps_read_tasks_status (int pid, procstat_t *ps)
796 {
797 char dirname[64];
798 DIR *dh;
799 char filename[64];
800 FILE *fh;
801 struct dirent *ent;
802 derive_t cswitch_vol = 0;
803 derive_t cswitch_invol = 0;
804 char buffer[1024];
805 char *fields[8];
806 int numfields;
808 ssnprintf (dirname, sizeof (dirname), "/proc/%i/task", pid);
810 if ((dh = opendir (dirname)) == NULL)
811 {
812 DEBUG ("Failed to open directory `%s'", dirname);
813 return (NULL);
814 }
816 while ((ent = readdir (dh)) != NULL)
817 {
818 char *tpid;
820 if (!isdigit ((int) ent->d_name[0]))
821 continue;
823 tpid = ent->d_name;
825 ssnprintf (filename, sizeof (filename), "/proc/%i/task/%s/status", pid, tpid);
826 if ((fh = fopen (filename, "r")) == NULL)
827 {
828 DEBUG ("Failed to open file `%s'", filename);
829 continue;
830 }
832 while (fgets (buffer, sizeof(buffer), fh) != NULL)
833 {
834 derive_t tmp;
835 char *endptr;
837 if (strncmp (buffer, "voluntary_ctxt_switches", 23) != 0
838 && strncmp (buffer, "nonvoluntary_ctxt_switches", 26) != 0)
839 continue;
841 numfields = strsplit (buffer, fields,
842 STATIC_ARRAY_SIZE (fields));
844 if (numfields < 2)
845 continue;
847 errno = 0;
848 endptr = NULL;
849 tmp = (derive_t) strtoll (fields[1], &endptr, /* base = */ 10);
850 if ((errno == 0) && (endptr != fields[1]))
851 {
852 if (strncmp (buffer, "voluntary_ctxt_switches", 23) == 0)
853 {
854 cswitch_vol += tmp;
855 }
856 else if (strncmp (buffer, "nonvoluntary_ctxt_switches", 26) == 0)
857 {
858 cswitch_invol += tmp;
859 }
860 }
861 } /* while (fgets) */
863 if (fclose (fh))
864 {
865 char errbuf[1024];
866 WARNING ("processes: fclose: %s",
867 sstrerror (errno, errbuf, sizeof (errbuf)));
868 }
869 }
870 closedir (dh);
872 ps->cswitch_vol = cswitch_vol;
873 ps->cswitch_invol = cswitch_invol;
875 return (ps);
876 } /* int *ps_read_tasks_status */
878 /* Read data from /proc/pid/status */
879 static procstat_t *ps_read_status (int pid, procstat_t *ps)
880 {
881 FILE *fh;
882 char buffer[1024];
883 char filename[64];
884 unsigned long lib = 0;
885 unsigned long exe = 0;
886 unsigned long data = 0;
887 unsigned long threads = 0;
888 char *fields[8];
889 int numfields;
891 ssnprintf (filename, sizeof (filename), "/proc/%i/status", pid);
892 if ((fh = fopen (filename, "r")) == NULL)
893 return (NULL);
895 while (fgets (buffer, sizeof(buffer), fh) != NULL)
896 {
897 unsigned long tmp;
898 char *endptr;
900 if (strncmp (buffer, "Vm", 2) != 0
901 && strncmp (buffer, "Threads", 7) != 0)
902 continue;
904 numfields = strsplit (buffer, fields,
905 STATIC_ARRAY_SIZE (fields));
907 if (numfields < 2)
908 continue;
910 errno = 0;
911 endptr = NULL;
912 tmp = strtoul (fields[1], &endptr, /* base = */ 10);
913 if ((errno == 0) && (endptr != fields[1]))
914 {
915 if (strncmp (buffer, "VmData", 6) == 0)
916 {
917 data = tmp;
918 }
919 else if (strncmp (buffer, "VmLib", 5) == 0)
920 {
921 lib = tmp;
922 }
923 else if (strncmp(buffer, "VmExe", 5) == 0)
924 {
925 exe = tmp;
926 }
927 else if (strncmp(buffer, "Threads", 7) == 0)
928 {
929 threads = tmp;
930 }
931 }
932 } /* while (fgets) */
934 if (fclose (fh))
935 {
936 char errbuf[1024];
937 WARNING ("processes: fclose: %s",
938 sstrerror (errno, errbuf, sizeof (errbuf)));
939 }
941 ps->vmem_data = data * 1024;
942 ps->vmem_code = (exe + lib) * 1024;
943 if (threads != 0)
944 ps->num_lwp = threads;
946 return (ps);
947 } /* procstat_t *ps_read_vmem */
949 static procstat_t *ps_read_io (int pid, procstat_t *ps)
950 {
951 FILE *fh;
952 char buffer[1024];
953 char filename[64];
955 char *fields[8];
956 int numfields;
958 ssnprintf (filename, sizeof (filename), "/proc/%i/io", pid);
959 if ((fh = fopen (filename, "r")) == NULL)
960 return (NULL);
962 while (fgets (buffer, sizeof (buffer), fh) != NULL)
963 {
964 derive_t *val = NULL;
965 long long tmp;
966 char *endptr;
968 if (strncasecmp (buffer, "rchar:", 6) == 0)
969 val = &(ps->io_rchar);
970 else if (strncasecmp (buffer, "wchar:", 6) == 0)
971 val = &(ps->io_wchar);
972 else if (strncasecmp (buffer, "syscr:", 6) == 0)
973 val = &(ps->io_syscr);
974 else if (strncasecmp (buffer, "syscw:", 6) == 0)
975 val = &(ps->io_syscw);
976 else
977 continue;
979 numfields = strsplit (buffer, fields,
980 STATIC_ARRAY_SIZE (fields));
982 if (numfields < 2)
983 continue;
985 errno = 0;
986 endptr = NULL;
987 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
988 if ((errno != 0) || (endptr == fields[1]))
989 *val = -1;
990 else
991 *val = (derive_t) tmp;
992 } /* while (fgets) */
994 if (fclose (fh))
995 {
996 char errbuf[1024];
997 WARNING ("processes: fclose: %s",
998 sstrerror (errno, errbuf, sizeof (errbuf)));
999 }
1001 return (ps);
1002 } /* procstat_t *ps_read_io */
1004 int ps_read_process (int pid, procstat_t *ps, char *state)
1005 {
1006 char filename[64];
1007 char buffer[1024];
1009 char *fields[64];
1010 char fields_len;
1012 size_t buffer_len;
1014 char *buffer_ptr;
1015 size_t name_start_pos;
1016 size_t name_end_pos;
1017 size_t name_len;
1019 derive_t cpu_user_counter;
1020 derive_t cpu_system_counter;
1021 long long unsigned vmem_size;
1022 long long unsigned vmem_rss;
1023 long long unsigned stack_size;
1025 ssize_t status;
1027 memset (ps, 0, sizeof (procstat_t));
1029 ssnprintf (filename, sizeof (filename), "/proc/%i/stat", pid);
1031 status = read_file_contents (filename, buffer, sizeof(buffer) - 1);
1032 if (status <= 0)
1033 return (-1);
1034 buffer_len = (size_t) status;
1035 buffer[buffer_len] = 0;
1037 /* The name of the process is enclosed in parens. Since the name can
1038 * contain parens itself, spaces, numbers and pretty much everything
1039 * else, use these to determine the process name. We don't use
1040 * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
1041 * otherwise be required to determine name_len. */
1042 name_start_pos = 0;
1043 while ((buffer[name_start_pos] != '(')
1044 && (name_start_pos < buffer_len))
1045 name_start_pos++;
1047 name_end_pos = buffer_len;
1048 while ((buffer[name_end_pos] != ')')
1049 && (name_end_pos > 0))
1050 name_end_pos--;
1052 /* Either '(' or ')' is not found or they are in the wrong order.
1053 * Anyway, something weird that shouldn't happen ever. */
1054 if (name_start_pos >= name_end_pos)
1055 {
1056 ERROR ("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
1057 name_start_pos, name_end_pos);
1058 return (-1);
1059 }
1061 name_len = (name_end_pos - name_start_pos) - 1;
1062 if (name_len >= sizeof (ps->name))
1063 name_len = sizeof (ps->name) - 1;
1065 sstrncpy (ps->name, &buffer[name_start_pos + 1], name_len + 1);
1067 if ((buffer_len - name_end_pos) < 2)
1068 return (-1);
1069 buffer_ptr = &buffer[name_end_pos + 2];
1071 fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
1072 if (fields_len < 22)
1073 {
1074 DEBUG ("processes plugin: ps_read_process (pid = %i):"
1075 " `%s' has only %i fields..",
1076 (int) pid, filename, fields_len);
1077 return (-1);
1078 }
1080 *state = fields[0][0];
1082 if (*state == 'Z')
1083 {
1084 ps->num_lwp = 0;
1085 ps->num_proc = 0;
1086 }
1087 else
1088 {
1089 ps->num_lwp = strtoul (fields[17], /* endptr = */ NULL, /* base = */ 10);
1090 if ((ps_read_status(pid, ps)) == NULL)
1091 {
1092 /* No VMem data */
1093 ps->vmem_data = -1;
1094 ps->vmem_code = -1;
1095 DEBUG("ps_read_process: did not get vmem data for pid %i",pid);
1096 }
1097 if (ps->num_lwp <= 0)
1098 ps->num_lwp = 1;
1099 ps->num_proc = 1;
1100 }
1102 /* Leave the rest at zero if this is only a zombi */
1103 if (ps->num_proc == 0)
1104 {
1105 DEBUG ("processes plugin: This is only a zombie: pid = %i; "
1106 "name = %s;", pid, ps->name);
1107 return (0);
1108 }
1110 cpu_user_counter = atoll (fields[11]);
1111 cpu_system_counter = atoll (fields[12]);
1112 vmem_size = atoll (fields[20]);
1113 vmem_rss = atoll (fields[21]);
1114 ps->vmem_minflt_counter = atol (fields[7]);
1115 ps->vmem_majflt_counter = atol (fields[9]);
1117 {
1118 unsigned long long stack_start = atoll (fields[25]);
1119 unsigned long long stack_ptr = atoll (fields[26]);
1121 stack_size = (stack_start > stack_ptr)
1122 ? stack_start - stack_ptr
1123 : stack_ptr - stack_start;
1124 }
1126 /* Convert jiffies to useconds */
1127 cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
1128 cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1129 vmem_rss = vmem_rss * pagesize_g;
1131 ps->cpu_user_counter = cpu_user_counter;
1132 ps->cpu_system_counter = cpu_system_counter;
1133 ps->vmem_size = (unsigned long) vmem_size;
1134 ps->vmem_rss = (unsigned long) vmem_rss;
1135 ps->stack_size = (unsigned long) stack_size;
1137 if ( (ps_read_io (pid, ps)) == NULL)
1138 {
1139 /* no io data */
1140 ps->io_rchar = -1;
1141 ps->io_wchar = -1;
1142 ps->io_syscr = -1;
1143 ps->io_syscw = -1;
1145 DEBUG("ps_read_process: not get io data for pid %i",pid);
1146 }
1148 if ( report_ctx_switch )
1149 {
1150 if ( (ps_read_tasks_status(pid, ps)) == NULL)
1151 {
1152 ps->cswitch_vol = -1;
1153 ps->cswitch_invol = -1;
1155 DEBUG("ps_read_tasks_status: not get context "
1156 "switch data for pid %i",pid);
1157 }
1158 }
1160 /* success */
1161 return (0);
1162 } /* int ps_read_process (...) */
1164 static char *ps_get_cmdline (pid_t pid, char *name, char *buf, size_t buf_len)
1165 {
1166 char *buf_ptr;
1167 size_t len;
1169 char file[PATH_MAX];
1170 int fd;
1172 size_t n;
1174 if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1175 return NULL;
1177 ssnprintf (file, sizeof (file), "/proc/%u/cmdline",
1178 (unsigned int) pid);
1180 errno = 0;
1181 fd = open (file, O_RDONLY);
1182 if (fd < 0) {
1183 char errbuf[4096];
1184 /* ENOENT means the process exited while we were handling it.
1185 * Don't complain about this, it only fills the logs. */
1186 if (errno != ENOENT)
1187 WARNING ("processes plugin: Failed to open `%s': %s.", file,
1188 sstrerror (errno, errbuf, sizeof (errbuf)));
1189 return NULL;
1190 }
1192 buf_ptr = buf;
1193 len = buf_len;
1195 n = 0;
1197 while (42) {
1198 ssize_t status;
1200 status = read (fd, (void *)buf_ptr, len);
1202 if (status < 0) {
1203 char errbuf[1024];
1205 if ((EAGAIN == errno) || (EINTR == errno))
1206 continue;
1208 WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1209 sstrerror (errno, errbuf, sizeof (errbuf)));
1210 close (fd);
1211 return NULL;
1212 }
1214 n += status;
1216 if (status == 0)
1217 break;
1219 buf_ptr += status;
1220 len -= status;
1222 if (len <= 0)
1223 break;
1224 }
1226 close (fd);
1228 if (0 == n) {
1229 /* cmdline not available; e.g. kernel thread, zombie */
1230 if (NULL == name)
1231 return NULL;
1233 ssnprintf (buf, buf_len, "[%s]", name);
1234 return buf;
1235 }
1237 assert (n <= buf_len);
1239 if (n == buf_len)
1240 --n;
1241 buf[n] = '\0';
1243 --n;
1244 /* remove trailing whitespace */
1245 while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1246 buf[n] = '\0';
1247 --n;
1248 }
1250 /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1251 while (n > 0) {
1252 if ('\0' == buf[n])
1253 buf[n] = ' ';
1254 --n;
1255 }
1256 return buf;
1257 } /* char *ps_get_cmdline (...) */
1259 static int read_fork_rate ()
1260 {
1261 FILE *proc_stat;
1262 char buffer[1024];
1263 value_t value;
1264 _Bool value_valid = 0;
1266 proc_stat = fopen ("/proc/stat", "r");
1267 if (proc_stat == NULL)
1268 {
1269 char errbuf[1024];
1270 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1271 sstrerror (errno, errbuf, sizeof (errbuf)));
1272 return (-1);
1273 }
1275 while (fgets (buffer, sizeof (buffer), proc_stat) != NULL)
1276 {
1277 int status;
1278 char *fields[3];
1279 int fields_num;
1281 fields_num = strsplit (buffer, fields,
1282 STATIC_ARRAY_SIZE (fields));
1283 if (fields_num != 2)
1284 continue;
1286 if (strcmp ("processes", fields[0]) != 0)
1287 continue;
1289 status = parse_value (fields[1], &value, DS_TYPE_DERIVE);
1290 if (status == 0)
1291 value_valid = 1;
1293 break;
1294 }
1295 fclose(proc_stat);
1297 if (!value_valid)
1298 return (-1);
1300 ps_submit_fork_rate (value.derive);
1301 return (0);
1302 }
1303 #endif /*KERNEL_LINUX */
1305 #if KERNEL_SOLARIS
1306 static char *ps_get_cmdline (pid_t pid, char *name __attribute__((unused)), /* {{{ */
1307 char *buffer, size_t buffer_size)
1308 {
1309 char path[PATH_MAX];
1310 psinfo_t info;
1311 ssize_t status;
1313 snprintf(path, sizeof (path), "/proc/%li/psinfo", pid);
1315 status = read_file_contents (path, (void *) &info, sizeof (info));
1316 if ((status < 0) || (((size_t) status) != sizeof (info)))
1317 {
1318 ERROR ("processes plugin: Unexpected return value "
1319 "while reading \"%s\": "
1320 "Returned %zd but expected %zu.",
1321 path, status, buffer_size);
1322 return (NULL);
1323 }
1325 info.pr_psargs[sizeof (info.pr_psargs) - 1] = 0;
1326 sstrncpy (buffer, info.pr_psargs, buffer_size);
1328 return (buffer);
1329 } /* }}} int ps_get_cmdline */
1331 /*
1332 * Reads process information on the Solaris OS. The information comes mainly from
1333 * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1334 * The values for input and ouput chars are calculated "by hand"
1335 * Added a few "solaris" specific process states as well
1336 */
1337 static int ps_read_process(long pid, procstat_t *ps, char *state)
1338 {
1339 char filename[64];
1340 char f_psinfo[64], f_usage[64];
1341 char *buffer;
1343 pstatus_t *myStatus;
1344 psinfo_t *myInfo;
1345 prusage_t *myUsage;
1347 snprintf(filename, sizeof (filename), "/proc/%li/status", pid);
1348 snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%li/psinfo", pid);
1349 snprintf(f_usage, sizeof (f_usage), "/proc/%li/usage", pid);
1352 buffer = malloc(sizeof (pstatus_t));
1353 memset(buffer, 0, sizeof (pstatus_t));
1354 read_file_contents(filename, buffer, sizeof (pstatus_t));
1355 myStatus = (pstatus_t *) buffer;
1357 buffer = malloc(sizeof (psinfo_t));
1358 memset(buffer, 0, sizeof(psinfo_t));
1359 read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1360 myInfo = (psinfo_t *) buffer;
1362 buffer = malloc(sizeof (prusage_t));
1363 memset(buffer, 0, sizeof(prusage_t));
1364 read_file_contents(f_usage, buffer, sizeof (prusage_t));
1365 myUsage = (prusage_t *) buffer;
1367 sstrncpy(ps->name, myInfo->pr_fname, sizeof (myInfo->pr_fname));
1368 ps->num_lwp = myStatus->pr_nlwp;
1369 if (myInfo->pr_wstat != 0) {
1370 ps->num_proc = 0;
1371 ps->num_lwp = 0;
1372 *state = (char) 'Z';
1373 return (0);
1374 } else {
1375 ps->num_proc = 1;
1376 ps->num_lwp = myInfo->pr_nlwp;
1377 }
1379 /*
1380 * Convert system time and user time from nanoseconds to microseconds
1381 * for compatibility with the linux module
1382 */
1383 ps->cpu_system_counter = myStatus -> pr_stime.tv_nsec / 1000;
1384 ps->cpu_user_counter = myStatus -> pr_utime.tv_nsec / 1000;
1386 /*
1387 * Convert rssize from KB to bytes to be consistent w/ the linux module
1388 */
1389 ps->vmem_rss = myInfo->pr_rssize * 1024;
1390 ps->vmem_size = myInfo->pr_size * 1024;
1391 ps->vmem_minflt_counter = myUsage->pr_minf;
1392 ps->vmem_majflt_counter = myUsage->pr_majf;
1394 /*
1395 * TODO: Data and code segment calculations for Solaris
1396 */
1398 ps->vmem_data = -1;
1399 ps->vmem_code = -1;
1400 ps->stack_size = myStatus->pr_stksize;
1402 /*
1403 * Calculating input/ouput chars
1404 * Formula used is total chars / total blocks => chars/block
1405 * then convert input/output blocks to chars
1406 */
1407 ulong_t tot_chars = myUsage->pr_ioch;
1408 ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1409 ulong_t chars_per_block = 1;
1410 if (tot_blocks != 0)
1411 chars_per_block = tot_chars / tot_blocks;
1412 ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1413 ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1414 ps->io_syscr = myUsage->pr_sysc;
1415 ps->io_syscw = myUsage->pr_sysc;
1417 /*
1418 * TODO: context switch counters for Solaris
1419 */
1420 ps->cswitch_vol = -1;
1421 ps->cswitch_invol = -1;
1424 /*
1425 * TODO: Find way of setting BLOCKED and PAGING status
1426 */
1428 *state = (char) 'R';
1429 if (myStatus->pr_flags & PR_ASLEEP)
1430 *state = (char) 'S';
1431 else if (myStatus->pr_flags & PR_STOPPED)
1432 *state = (char) 'T';
1433 else if (myStatus->pr_flags & PR_DETACH)
1434 *state = (char) 'E';
1435 else if (myStatus->pr_flags & PR_DAEMON)
1436 *state = (char) 'A';
1437 else if (myStatus->pr_flags & PR_ISSYS)
1438 *state = (char) 'Y';
1439 else if (myStatus->pr_flags & PR_ORPHAN)
1440 *state = (char) 'O';
1442 sfree(myStatus);
1443 sfree(myInfo);
1444 sfree(myUsage);
1446 return (0);
1447 }
1449 /*
1450 * Reads the number of threads created since the last reboot. On Solaris these
1451 * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1452 * The result is the sum for all the threads created on each cpu
1453 */
1454 static int read_fork_rate()
1455 {
1456 extern kstat_ctl_t *kc;
1457 kstat_t *ksp_chain = NULL;
1458 derive_t result = 0;
1460 if (kc == NULL)
1461 return (-1);
1463 for (ksp_chain = kc->kc_chain;
1464 ksp_chain != NULL;
1465 ksp_chain = ksp_chain->ks_next)
1466 {
1467 if ((strcmp (ksp_chain->ks_module, "cpu") == 0)
1468 && (strcmp (ksp_chain->ks_name, "sys") == 0)
1469 && (strcmp (ksp_chain->ks_class, "misc") == 0))
1470 {
1471 long long tmp;
1473 kstat_read (kc, ksp_chain, NULL);
1475 tmp = get_kstat_value(ksp_chain, "nthreads");
1476 if (tmp != -1LL)
1477 result += tmp;
1478 }
1479 }
1481 ps_submit_fork_rate (result);
1482 return (0);
1483 }
1484 #endif /* KERNEL_SOLARIS */
1486 #if HAVE_THREAD_INFO
1487 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1488 {
1489 int mib[4];
1491 struct kinfo_proc kp;
1492 size_t kp_size;
1494 mib[0] = CTL_KERN;
1495 mib[1] = KERN_PROC;
1496 mib[2] = KERN_PROC_PID;
1498 if (pid_for_task (t, pid) != KERN_SUCCESS)
1499 return (-1);
1500 mib[3] = *pid;
1502 kp_size = sizeof (kp);
1503 if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1504 return (-1);
1506 if (name_max_len > (MAXCOMLEN + 1))
1507 name_max_len = MAXCOMLEN + 1;
1509 strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1510 name[name_max_len - 1] = '\0';
1512 DEBUG ("pid = %i; name = %s;", *pid, name);
1514 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1515 * `top' does it, because it is a lot of work and only used when
1516 * debugging. -octo */
1518 return (0);
1519 }
1520 #endif /* HAVE_THREAD_INFO */
1521 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1523 /* do actual readings from kernel */
1524 static int ps_read (void)
1525 {
1526 #if HAVE_THREAD_INFO
1527 kern_return_t status;
1529 int pset;
1530 processor_set_t port_pset_priv;
1532 int task;
1533 task_array_t task_list;
1534 mach_msg_type_number_t task_list_len;
1536 int task_pid;
1537 char task_name[MAXCOMLEN + 1];
1539 int thread;
1540 thread_act_array_t thread_list;
1541 mach_msg_type_number_t thread_list_len;
1542 thread_basic_info_data_t thread_data;
1543 mach_msg_type_number_t thread_data_len;
1545 int running = 0;
1546 int sleeping = 0;
1547 int zombies = 0;
1548 int stopped = 0;
1549 int blocked = 0;
1551 procstat_t *ps;
1552 procstat_entry_t pse;
1554 ps_list_reset ();
1556 /*
1557 * The Mach-concept is a little different from the traditional UNIX
1558 * concept: All the work is done in threads. Threads are contained in
1559 * `tasks'. Therefore, `task status' doesn't make much sense, since
1560 * it's actually a `thread status'.
1561 * Tasks are assigned to sets of processors, so that's where you go to
1562 * get a list.
1563 */
1564 for (pset = 0; pset < pset_list_len; pset++)
1565 {
1566 if ((status = host_processor_set_priv (port_host_self,
1567 pset_list[pset],
1568 &port_pset_priv)) != KERN_SUCCESS)
1569 {
1570 ERROR ("host_processor_set_priv failed: %s\n",
1571 mach_error_string (status));
1572 continue;
1573 }
1575 if ((status = processor_set_tasks (port_pset_priv,
1576 &task_list,
1577 &task_list_len)) != KERN_SUCCESS)
1578 {
1579 ERROR ("processor_set_tasks failed: %s\n",
1580 mach_error_string (status));
1581 mach_port_deallocate (port_task_self, port_pset_priv);
1582 continue;
1583 }
1585 for (task = 0; task < task_list_len; task++)
1586 {
1587 ps = NULL;
1588 if (mach_get_task_name (task_list[task],
1589 &task_pid,
1590 task_name, PROCSTAT_NAME_LEN) == 0)
1591 {
1592 /* search for at least one match */
1593 for (ps = list_head_g; ps != NULL; ps = ps->next)
1594 /* FIXME: cmdline should be here instead of NULL */
1595 if (ps_list_match (task_name, NULL, ps) == 1)
1596 break;
1597 }
1599 /* Collect more detailed statistics for this process */
1600 if (ps != NULL)
1601 {
1602 task_basic_info_data_t task_basic_info;
1603 mach_msg_type_number_t task_basic_info_len;
1604 task_events_info_data_t task_events_info;
1605 mach_msg_type_number_t task_events_info_len;
1606 task_absolutetime_info_data_t task_absolutetime_info;
1607 mach_msg_type_number_t task_absolutetime_info_len;
1609 memset (&pse, '\0', sizeof (pse));
1610 pse.id = task_pid;
1612 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1613 status = task_info (task_list[task],
1614 TASK_BASIC_INFO,
1615 (task_info_t) &task_basic_info,
1616 &task_basic_info_len);
1617 if (status != KERN_SUCCESS)
1618 {
1619 ERROR ("task_info failed: %s",
1620 mach_error_string (status));
1621 continue; /* with next thread_list */
1622 }
1624 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1625 status = task_info (task_list[task],
1626 TASK_EVENTS_INFO,
1627 (task_info_t) &task_events_info,
1628 &task_events_info_len);
1629 if (status != KERN_SUCCESS)
1630 {
1631 ERROR ("task_info failed: %s",
1632 mach_error_string (status));
1633 continue; /* with next thread_list */
1634 }
1636 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1637 status = task_info (task_list[task],
1638 TASK_ABSOLUTETIME_INFO,
1639 (task_info_t) &task_absolutetime_info,
1640 &task_absolutetime_info_len);
1641 if (status != KERN_SUCCESS)
1642 {
1643 ERROR ("task_info failed: %s",
1644 mach_error_string (status));
1645 continue; /* with next thread_list */
1646 }
1648 pse.num_proc++;
1649 pse.vmem_size = task_basic_info.virtual_size;
1650 pse.vmem_rss = task_basic_info.resident_size;
1651 /* Does not seem to be easily exposed */
1652 pse.vmem_data = 0;
1653 pse.vmem_code = 0;
1655 pse.vmem_minflt_counter = task_events_info.cow_faults;
1656 pse.vmem_majflt_counter = task_events_info.faults;
1658 pse.cpu_user_counter = task_absolutetime_info.total_user;
1659 pse.cpu_system_counter = task_absolutetime_info.total_system;
1661 /* context switch counters not implemented */
1662 pse.cswitch_vol = -1;
1663 pse.cswitch_invol = -1;
1664 }
1666 status = task_threads (task_list[task], &thread_list,
1667 &thread_list_len);
1668 if (status != KERN_SUCCESS)
1669 {
1670 /* Apple's `top' treats this case a zombie. It
1671 * makes sense to some extend: A `zombie'
1672 * thread is nonsense, since the task/process
1673 * is dead. */
1674 zombies++;
1675 DEBUG ("task_threads failed: %s",
1676 mach_error_string (status));
1677 if (task_list[task] != port_task_self)
1678 mach_port_deallocate (port_task_self,
1679 task_list[task]);
1680 continue; /* with next task_list */
1681 }
1683 for (thread = 0; thread < thread_list_len; thread++)
1684 {
1685 thread_data_len = THREAD_BASIC_INFO_COUNT;
1686 status = thread_info (thread_list[thread],
1687 THREAD_BASIC_INFO,
1688 (thread_info_t) &thread_data,
1689 &thread_data_len);
1690 if (status != KERN_SUCCESS)
1691 {
1692 ERROR ("thread_info failed: %s",
1693 mach_error_string (status));
1694 if (task_list[task] != port_task_self)
1695 mach_port_deallocate (port_task_self,
1696 thread_list[thread]);
1697 continue; /* with next thread_list */
1698 }
1700 if (ps != NULL)
1701 pse.num_lwp++;
1703 switch (thread_data.run_state)
1704 {
1705 case TH_STATE_RUNNING:
1706 running++;
1707 break;
1708 case TH_STATE_STOPPED:
1709 /* What exactly is `halted'? */
1710 case TH_STATE_HALTED:
1711 stopped++;
1712 break;
1713 case TH_STATE_WAITING:
1714 sleeping++;
1715 break;
1716 case TH_STATE_UNINTERRUPTIBLE:
1717 blocked++;
1718 break;
1719 /* There is no `zombie' case here,
1720 * since there are no zombie-threads.
1721 * There's only zombie tasks, which are
1722 * handled above. */
1723 default:
1724 WARNING ("Unknown thread status: %i",
1725 thread_data.run_state);
1726 break;
1727 } /* switch (thread_data.run_state) */
1729 if (task_list[task] != port_task_self)
1730 {
1731 status = mach_port_deallocate (port_task_self,
1732 thread_list[thread]);
1733 if (status != KERN_SUCCESS)
1734 ERROR ("mach_port_deallocate failed: %s",
1735 mach_error_string (status));
1736 }
1737 } /* for (thread_list) */
1739 if ((status = vm_deallocate (port_task_self,
1740 (vm_address_t) thread_list,
1741 thread_list_len * sizeof (thread_act_t)))
1742 != KERN_SUCCESS)
1743 {
1744 ERROR ("vm_deallocate failed: %s",
1745 mach_error_string (status));
1746 }
1747 thread_list = NULL;
1748 thread_list_len = 0;
1750 /* Only deallocate the task port, if it isn't our own.
1751 * Don't know what would happen in that case, but this
1752 * is what Apple's top does.. ;) */
1753 if (task_list[task] != port_task_self)
1754 {
1755 status = mach_port_deallocate (port_task_self,
1756 task_list[task]);
1757 if (status != KERN_SUCCESS)
1758 ERROR ("mach_port_deallocate failed: %s",
1759 mach_error_string (status));
1760 }
1762 if (ps != NULL)
1763 /* FIXME: cmdline should be here instead of NULL */
1764 ps_list_add (task_name, NULL, &pse);
1765 } /* for (task_list) */
1767 if ((status = vm_deallocate (port_task_self,
1768 (vm_address_t) task_list,
1769 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1770 {
1771 ERROR ("vm_deallocate failed: %s",
1772 mach_error_string (status));
1773 }
1774 task_list = NULL;
1775 task_list_len = 0;
1777 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1778 != KERN_SUCCESS)
1779 {
1780 ERROR ("mach_port_deallocate failed: %s",
1781 mach_error_string (status));
1782 }
1783 } /* for (pset_list) */
1785 ps_submit_state ("running", running);
1786 ps_submit_state ("sleeping", sleeping);
1787 ps_submit_state ("zombies", zombies);
1788 ps_submit_state ("stopped", stopped);
1789 ps_submit_state ("blocked", blocked);
1791 for (ps = list_head_g; ps != NULL; ps = ps->next)
1792 ps_submit_proc_list (ps);
1793 /* #endif HAVE_THREAD_INFO */
1795 #elif KERNEL_LINUX
1796 int running = 0;
1797 int sleeping = 0;
1798 int zombies = 0;
1799 int stopped = 0;
1800 int paging = 0;
1801 int blocked = 0;
1803 struct dirent *ent;
1804 DIR *proc;
1805 int pid;
1807 char cmdline[CMDLINE_BUFFER_SIZE];
1809 int status;
1810 procstat_t ps;
1811 procstat_entry_t pse;
1812 char state;
1814 procstat_t *ps_ptr;
1816 running = sleeping = zombies = stopped = paging = blocked = 0;
1817 ps_list_reset ();
1819 if ((proc = opendir ("/proc")) == NULL)
1820 {
1821 char errbuf[1024];
1822 ERROR ("Cannot open `/proc': %s",
1823 sstrerror (errno, errbuf, sizeof (errbuf)));
1824 return (-1);
1825 }
1827 while ((ent = readdir (proc)) != NULL)
1828 {
1829 if (!isdigit (ent->d_name[0]))
1830 continue;
1832 if ((pid = atoi (ent->d_name)) < 1)
1833 continue;
1835 status = ps_read_process (pid, &ps, &state);
1836 if (status != 0)
1837 {
1838 DEBUG ("ps_read_process failed: %i", status);
1839 continue;
1840 }
1842 memset (&pse, 0, sizeof (pse));
1843 pse.id = pid;
1844 pse.age = 0;
1846 pse.num_proc = ps.num_proc;
1847 pse.num_lwp = ps.num_lwp;
1848 pse.vmem_size = ps.vmem_size;
1849 pse.vmem_rss = ps.vmem_rss;
1850 pse.vmem_data = ps.vmem_data;
1851 pse.vmem_code = ps.vmem_code;
1852 pse.stack_size = ps.stack_size;
1854 pse.vmem_minflt = 0;
1855 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1856 pse.vmem_majflt = 0;
1857 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1859 pse.cpu_user = 0;
1860 pse.cpu_user_counter = ps.cpu_user_counter;
1861 pse.cpu_system = 0;
1862 pse.cpu_system_counter = ps.cpu_system_counter;
1864 pse.io_rchar = ps.io_rchar;
1865 pse.io_wchar = ps.io_wchar;
1866 pse.io_syscr = ps.io_syscr;
1867 pse.io_syscw = ps.io_syscw;
1869 pse.cswitch_vol = ps.cswitch_vol;
1870 pse.cswitch_invol = ps.cswitch_invol;
1872 switch (state)
1873 {
1874 case 'R': running++; break;
1875 case 'S': sleeping++; break;
1876 case 'D': blocked++; break;
1877 case 'Z': zombies++; break;
1878 case 'T': stopped++; break;
1879 case 'W': paging++; break;
1880 }
1882 ps_list_add (ps.name,
1883 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1884 &pse);
1885 }
1887 closedir (proc);
1889 ps_submit_state ("running", running);
1890 ps_submit_state ("sleeping", sleeping);
1891 ps_submit_state ("zombies", zombies);
1892 ps_submit_state ("stopped", stopped);
1893 ps_submit_state ("paging", paging);
1894 ps_submit_state ("blocked", blocked);
1896 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1897 ps_submit_proc_list (ps_ptr);
1899 read_fork_rate();
1900 /* #endif KERNEL_LINUX */
1902 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1903 int running = 0;
1904 int sleeping = 0;
1905 int zombies = 0;
1906 int stopped = 0;
1907 int blocked = 0;
1908 int idle = 0;
1909 int wait = 0;
1911 kvm_t *kd;
1912 char errbuf[_POSIX2_LINE_MAX];
1913 struct kinfo_proc *procs; /* array of processes */
1914 struct kinfo_proc *proc_ptr = NULL;
1915 int count; /* returns number of processes */
1916 int i;
1918 procstat_t *ps_ptr;
1919 procstat_entry_t pse;
1921 ps_list_reset ();
1923 /* Open the kvm interface, get a descriptor */
1924 kd = kvm_openfiles (NULL, "/dev/null", NULL, 0, errbuf);
1925 if (kd == NULL)
1926 {
1927 ERROR ("processes plugin: Cannot open kvm interface: %s",
1928 errbuf);
1929 return (0);
1930 }
1932 /* Get the list of processes. */
1933 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1934 if (procs == NULL)
1935 {
1936 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1937 kvm_geterr(kd));
1938 kvm_close (kd);
1939 return (0);
1940 }
1942 /* Iterate through the processes in kinfo_proc */
1943 for (i = 0; i < count; i++)
1944 {
1945 /* Create only one process list entry per _process_, i.e.
1946 * filter out threads (duplicate PID entries). */
1947 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1948 {
1949 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1950 _Bool have_cmdline = 0;
1952 proc_ptr = &(procs[i]);
1953 /* Don't probe system processes and processes without arguments */
1954 if (((procs[i].ki_flag & P_SYSTEM) == 0)
1955 && (procs[i].ki_args != NULL))
1956 {
1957 char **argv;
1958 int argc;
1959 int status;
1961 /* retrieve the arguments */
1962 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1963 argc = 0;
1964 if ((argv != NULL) && (argv[0] != NULL))
1965 {
1966 while (argv[argc] != NULL)
1967 argc++;
1969 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1970 if (status < 0)
1971 WARNING ("processes plugin: Command line did not fit into buffer.");
1972 else
1973 have_cmdline = 1;
1974 }
1975 } /* if (process has argument list) */
1977 pse.id = procs[i].ki_pid;
1978 pse.age = 0;
1980 pse.num_proc = 1;
1981 pse.num_lwp = procs[i].ki_numthreads;
1983 pse.vmem_size = procs[i].ki_size;
1984 pse.vmem_rss = procs[i].ki_rssize * pagesize;
1985 pse.vmem_data = procs[i].ki_dsize * pagesize;
1986 pse.vmem_code = procs[i].ki_tsize * pagesize;
1987 pse.stack_size = procs[i].ki_ssize * pagesize;
1988 pse.vmem_minflt = 0;
1989 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1990 pse.vmem_majflt = 0;
1991 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1993 pse.cpu_user = 0;
1994 pse.cpu_system = 0;
1995 pse.cpu_user_counter = 0;
1996 pse.cpu_system_counter = 0;
1997 /*
1998 * The u-area might be swapped out, and we can't get
1999 * at it because we have a crashdump and no swap.
2000 * If it's here fill in these fields, otherwise, just
2001 * leave them 0.
2002 */
2003 if (procs[i].ki_flag & P_INMEM)
2004 {
2005 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
2006 + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
2007 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
2008 + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
2009 }
2011 /* no I/O data */
2012 pse.io_rchar = -1;
2013 pse.io_wchar = -1;
2014 pse.io_syscr = -1;
2015 pse.io_syscw = -1;
2017 /* context switch counters not implemented */
2018 pse.cswitch_vol = -1;
2019 pse.cswitch_invol = -1;
2021 ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
2023 switch (procs[i].ki_stat)
2024 {
2025 case SSTOP: stopped++; break;
2026 case SSLEEP: sleeping++; break;
2027 case SRUN: running++; break;
2028 case SIDL: idle++; break;
2029 case SWAIT: wait++; break;
2030 case SLOCK: blocked++; break;
2031 case SZOMB: zombies++; break;
2032 }
2033 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
2034 }
2036 kvm_close(kd);
2038 ps_submit_state ("running", running);
2039 ps_submit_state ("sleeping", sleeping);
2040 ps_submit_state ("zombies", zombies);
2041 ps_submit_state ("stopped", stopped);
2042 ps_submit_state ("blocked", blocked);
2043 ps_submit_state ("idle", idle);
2044 ps_submit_state ("wait", wait);
2046 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2047 ps_submit_proc_list (ps_ptr);
2048 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
2050 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD
2051 int running = 0;
2052 int sleeping = 0;
2053 int zombies = 0;
2054 int stopped = 0;
2055 int onproc = 0;
2056 int idle = 0;
2057 int dead = 0;
2059 kvm_t *kd;
2060 char errbuf[1024];
2061 struct kinfo_proc *procs; /* array of processes */
2062 struct kinfo_proc *proc_ptr = NULL;
2063 int count; /* returns number of processes */
2064 int i;
2066 procstat_t *ps_ptr;
2067 procstat_entry_t pse;
2069 ps_list_reset ();
2071 /* Open the kvm interface, get a descriptor */
2072 kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
2073 if (kd == NULL)
2074 {
2075 ERROR ("processes plugin: Cannot open kvm interface: %s",
2076 errbuf);
2077 return (0);
2078 }
2080 /* Get the list of processes. */
2081 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
2082 if (procs == NULL)
2083 {
2084 ERROR ("processes plugin: Cannot get kvm processes list: %s",
2085 kvm_geterr(kd));
2086 kvm_close (kd);
2087 return (0);
2088 }
2090 /* Iterate through the processes in kinfo_proc */
2091 for (i = 0; i < count; i++)
2092 {
2093 /* Create only one process list entry per _process_, i.e.
2094 * filter out threads (duplicate PID entries). */
2095 if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid))
2096 {
2097 char cmdline[CMDLINE_BUFFER_SIZE] = "";
2098 _Bool have_cmdline = 0;
2100 proc_ptr = &(procs[i]);
2101 /* Don't probe zombie processes */
2102 if (!P_ZOMBIE(proc_ptr))
2103 {
2104 char **argv;
2105 int argc;
2106 int status;
2108 /* retrieve the arguments */
2109 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
2110 argc = 0;
2111 if ((argv != NULL) && (argv[0] != NULL))
2112 {
2113 while (argv[argc] != NULL)
2114 argc++;
2116 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
2117 if (status < 0)
2118 WARNING ("processes plugin: Command line did not fit into buffer.");
2119 else
2120 have_cmdline = 1;
2121 }
2122 } /* if (process has argument list) */
2124 memset (&pse, 0, sizeof (pse));
2125 pse.id = procs[i].p_pid;
2126 pse.age = 0;
2128 pse.num_proc = 1;
2129 pse.num_lwp = 1; /* XXX: accumulate p_tid values for a single p_pid ? */
2131 pse.vmem_rss = procs[i].p_vm_rssize * pagesize;
2132 pse.vmem_data = procs[i].p_vm_dsize * pagesize;
2133 pse.vmem_code = procs[i].p_vm_tsize * pagesize;
2134 pse.stack_size = procs[i].p_vm_ssize * pagesize;
2135 pse.vmem_size = pse.stack_size + pse.vmem_code + pse.vmem_data;
2136 pse.vmem_minflt = 0;
2137 pse.vmem_minflt_counter = procs[i].p_uru_minflt;
2138 pse.vmem_majflt = 0;
2139 pse.vmem_majflt_counter = procs[i].p_uru_majflt;
2141 pse.cpu_user = 0;
2142 pse.cpu_system = 0;
2143 pse.cpu_user_counter = procs[i].p_uutime_usec +
2144 (1000000lu * procs[i].p_uutime_sec);
2145 pse.cpu_system_counter = procs[i].p_ustime_usec +
2146 (1000000lu * procs[i].p_ustime_sec);
2148 /* no I/O data */
2149 pse.io_rchar = -1;
2150 pse.io_wchar = -1;
2151 pse.io_syscr = -1;
2152 pse.io_syscw = -1;
2154 /* context switch counters not implemented */
2155 pse.cswitch_vol = -1;
2156 pse.cswitch_invol = -1;
2158 ps_list_add (procs[i].p_comm, have_cmdline ? cmdline : NULL, &pse);
2160 switch (procs[i].p_stat)
2161 {
2162 case SSTOP: stopped++; break;
2163 case SSLEEP: sleeping++; break;
2164 case SRUN: running++; break;
2165 case SIDL: idle++; break;
2166 case SONPROC: onproc++; break;
2167 case SDEAD: dead++; break;
2168 case SZOMB: zombies++; break;
2169 }
2170 } /* if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) */
2171 }
2173 kvm_close(kd);
2175 ps_submit_state ("running", running);
2176 ps_submit_state ("sleeping", sleeping);
2177 ps_submit_state ("zombies", zombies);
2178 ps_submit_state ("stopped", stopped);
2179 ps_submit_state ("onproc", onproc);
2180 ps_submit_state ("idle", idle);
2181 ps_submit_state ("dead", dead);
2183 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2184 ps_submit_proc_list (ps_ptr);
2185 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD */
2187 #elif HAVE_PROCINFO_H
2188 /* AIX */
2189 int running = 0;
2190 int sleeping = 0;
2191 int zombies = 0;
2192 int stopped = 0;
2193 int paging = 0;
2194 int blocked = 0;
2196 pid_t pindex = 0;
2197 int nprocs;
2199 procstat_t *ps;
2200 procstat_entry_t pse;
2202 ps_list_reset ();
2203 while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
2204 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
2205 &pindex, MAXPROCENTRY)) > 0)
2206 {
2207 int i;
2209 for (i = 0; i < nprocs; i++)
2210 {
2211 tid64_t thindex;
2212 int nthreads;
2213 char arglist[MAXARGLN+1];
2214 char *cargs;
2215 char *cmdline;
2217 if (procentry[i].pi_state == SNONE) continue;
2218 /* if (procentry[i].pi_state == SZOMB) FIXME */
2220 cmdline = procentry[i].pi_comm;
2221 cargs = procentry[i].pi_comm;
2222 if ( procentry[i].pi_flags & SKPROC )
2223 {
2224 if (procentry[i].pi_pid == 0)
2225 cmdline = "swapper";
2226 cargs = cmdline;
2227 }
2228 else
2229 {
2230 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
2231 {
2232 int n;
2234 n = -1;
2235 while (++n < MAXARGLN)
2236 {
2237 if (arglist[n] == '\0')
2238 {
2239 if (arglist[n+1] == '\0')
2240 break;
2241 arglist[n] = ' ';
2242 }
2243 }
2244 cargs = arglist;
2245 }
2246 }
2248 pse.id = procentry[i].pi_pid;
2249 pse.age = 0;
2250 pse.num_lwp = procentry[i].pi_thcount;
2251 pse.num_proc = 1;
2253 thindex=0;
2254 while ((nthreads = getthrds64(procentry[i].pi_pid,
2255 thrdentry, sizeof(struct thrdentry64),
2256 &thindex, MAXTHRDENTRY)) > 0)
2257 {
2258 int j;
2260 for (j=0; j< nthreads; j++)
2261 {
2262 switch (thrdentry[j].ti_state)
2263 {
2264 /* case TSNONE: break; */
2265 case TSIDL: blocked++; break; /* FIXME is really blocked */
2266 case TSRUN: running++; break;
2267 case TSSLEEP: sleeping++; break;
2268 case TSSWAP: paging++; break;
2269 case TSSTOP: stopped++; break;
2270 case TSZOMB: zombies++; break;
2271 }
2272 }
2273 if (nthreads < MAXTHRDENTRY)
2274 break;
2275 }
2277 pse.cpu_user = 0;
2278 /* tv_usec is nanosec ??? */
2279 pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2280 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2282 pse.cpu_system = 0;
2283 /* tv_usec is nanosec ??? */
2284 pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2285 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2287 pse.vmem_minflt = 0;
2288 pse.vmem_minflt_counter = procentry[i].pi_minflt;
2289 pse.vmem_majflt = 0;
2290 pse.vmem_majflt_counter = procentry[i].pi_majflt;
2292 pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2293 pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2294 /* Not supported */
2295 pse.vmem_data = 0;
2296 pse.vmem_code = 0;
2297 pse.stack_size = 0;
2299 pse.io_rchar = -1;
2300 pse.io_wchar = -1;
2301 pse.io_syscr = -1;
2302 pse.io_syscw = -1;
2304 pse.cswitch_vol = -1;
2305 pse.cswitch_invol = -1;
2307 ps_list_add (cmdline, cargs, &pse);
2308 } /* for (i = 0 .. nprocs) */
2310 if (nprocs < MAXPROCENTRY)
2311 break;
2312 } /* while (getprocs64() > 0) */
2313 ps_submit_state ("running", running);
2314 ps_submit_state ("sleeping", sleeping);
2315 ps_submit_state ("zombies", zombies);
2316 ps_submit_state ("stopped", stopped);
2317 ps_submit_state ("paging", paging);
2318 ps_submit_state ("blocked", blocked);
2320 for (ps = list_head_g; ps != NULL; ps = ps->next)
2321 ps_submit_proc_list (ps);
2322 /* #endif HAVE_PROCINFO_H */
2324 #elif KERNEL_SOLARIS
2325 /*
2326 * The Solaris section adds a few more process states and removes some
2327 * process states compared to linux. Most notably there is no "PAGING"
2328 * and "BLOCKED" state for a process. The rest is similar to the linux
2329 * code.
2330 */
2331 int running = 0;
2332 int sleeping = 0;
2333 int zombies = 0;
2334 int stopped = 0;
2335 int detached = 0;
2336 int daemon = 0;
2337 int system = 0;
2338 int orphan = 0;
2340 struct dirent *ent;
2341 DIR *proc;
2343 int status;
2344 procstat_t *ps_ptr;
2345 char state;
2347 char cmdline[PRARGSZ];
2349 ps_list_reset ();
2351 proc = opendir ("/proc");
2352 if (proc == NULL)
2353 return (-1);
2355 while ((ent = readdir(proc)) != NULL)
2356 {
2357 long pid;
2358 struct procstat ps;
2359 procstat_entry_t pse;
2360 char *endptr;
2362 if (!isdigit ((int) ent->d_name[0]))
2363 continue;
2365 pid = strtol (ent->d_name, &endptr, 10);
2366 if (*endptr != 0) /* value didn't completely parse as a number */
2367 continue;
2369 status = ps_read_process (pid, &ps, &state);
2370 if (status != 0)
2371 {
2372 DEBUG("ps_read_process failed: %i", status);
2373 continue;
2374 }
2376 memset (&pse, 0, sizeof (pse));
2377 pse.id = pid;
2378 pse.age = 0;
2380 pse.num_proc = ps.num_proc;
2381 pse.num_lwp = ps.num_lwp;
2382 pse.vmem_size = ps.vmem_size;
2383 pse.vmem_rss = ps.vmem_rss;
2384 pse.vmem_data = ps.vmem_data;
2385 pse.vmem_code = ps.vmem_code;
2386 pse.stack_size = ps.stack_size;
2388 pse.vmem_minflt = 0;
2389 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2390 pse.vmem_majflt = 0;
2391 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2393 pse.cpu_user = 0;
2394 pse.cpu_user_counter = ps.cpu_user_counter;
2395 pse.cpu_system = 0;
2396 pse.cpu_system_counter = ps.cpu_system_counter;
2398 pse.io_rchar = ps.io_rchar;
2399 pse.io_wchar = ps.io_wchar;
2400 pse.io_syscr = ps.io_syscr;
2401 pse.io_syscw = ps.io_syscw;
2403 pse.cswitch_vol = -1;
2404 pse.cswitch_invol = -1;
2406 switch (state)
2407 {
2408 case 'R': running++; break;
2409 case 'S': sleeping++; break;
2410 case 'E': detached++; break;
2411 case 'Z': zombies++; break;
2412 case 'T': stopped++; break;
2413 case 'A': daemon++; break;
2414 case 'Y': system++; break;
2415 case 'O': orphan++; break;
2416 }
2419 ps_list_add (ps.name,
2420 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
2421 &pse);
2422 } /* while(readdir) */
2423 closedir (proc);
2425 ps_submit_state ("running", running);
2426 ps_submit_state ("sleeping", sleeping);
2427 ps_submit_state ("zombies", zombies);
2428 ps_submit_state ("stopped", stopped);
2429 ps_submit_state ("detached", detached);
2430 ps_submit_state ("daemon", daemon);
2431 ps_submit_state ("system", system);
2432 ps_submit_state ("orphan", orphan);
2434 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2435 ps_submit_proc_list (ps_ptr);
2437 read_fork_rate();
2438 #endif /* KERNEL_SOLARIS */
2440 return (0);
2441 } /* int ps_read */
2443 void module_register (void)
2444 {
2445 plugin_register_complex_config ("processes", ps_config);
2446 plugin_register_init ("processes", ps_init);
2447 plugin_register_read ("processes", ps_read);
2448 } /* void module_register */