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 (_Bool init, derive_t *group_counter,
370 derive_t *curr_counter, unsigned long *curr_value,
371 derive_t new_counter, unsigned long new_value)
372 {
373 if (init)
374 {
375 *curr_value = new_value;
376 *curr_counter += new_value;
377 *group_counter += new_value;
378 return;
379 }
381 if (new_counter < *curr_counter)
382 *curr_value = new_counter + (ULONG_MAX - *curr_counter);
383 else
384 *curr_value = new_counter - *curr_counter;
386 *curr_counter = new_counter;
387 *group_counter += *curr_value;
388 }
390 /* add process entry to 'instances' of process 'name' (or refresh it) */
391 static void ps_list_add (const char *name, const char *cmdline, procstat_entry_t *entry)
392 {
393 procstat_t *ps;
394 procstat_entry_t *pse;
396 if (entry->id == 0)
397 return;
399 for (ps = list_head_g; ps != NULL; ps = ps->next)
400 {
401 _Bool want_init;
403 if ((ps_list_match (name, cmdline, ps)) == 0)
404 continue;
406 for (pse = ps->instances; pse != NULL; pse = pse->next)
407 if ((pse->id == entry->id) || (pse->next == NULL))
408 break;
410 if ((pse == NULL) || (pse->id != entry->id))
411 {
412 procstat_entry_t *new;
414 new = calloc (1, sizeof (*new));
415 if (new == NULL)
416 return;
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 #if KERNEL_LINUX
544 const size_t max_procname_len = 15;
545 #elif KERNEL_SOLARIS || KERNEL_FREEBSD
546 const size_t max_procname_len = MAXCOMLEN -1;
547 #endif
549 for (i = 0; i < ci->children_num; ++i) {
550 oconfig_item_t *c = ci->children + i;
552 if (strcasecmp (c->key, "Process") == 0)
553 {
554 if ((c->values_num != 1)
555 || (OCONFIG_TYPE_STRING != c->values[0].type)) {
556 ERROR ("processes plugin: `Process' expects exactly "
557 "one string argument (got %i).",
558 c->values_num);
559 continue;
560 }
562 if (c->children_num != 0) {
563 WARNING ("processes plugin: the `Process' config option "
564 "does not expect any child elements -- ignoring "
565 "content (%i elements) of the <Process '%s'> block.",
566 c->children_num, c->values[0].value.string);
567 }
569 #if KERNEL_LINUX || KERNEL_SOLARIS || KERNEL_FREEBSD
570 if (strlen (c->values[0].value.string) > max_procname_len) {
571 WARNING ("processes plugin: this platform has a %zu character limit "
572 "to process names. The `Process \"%s\"' option will "
573 "not work as expected.",
574 max_procname_len, c->values[0].value.string);
575 }
576 #endif
578 ps_list_register (c->values[0].value.string, NULL);
579 }
580 else if (strcasecmp (c->key, "ProcessMatch") == 0)
581 {
582 if ((c->values_num != 2)
583 || (OCONFIG_TYPE_STRING != c->values[0].type)
584 || (OCONFIG_TYPE_STRING != c->values[1].type))
585 {
586 ERROR ("processes plugin: `ProcessMatch' needs exactly "
587 "two string arguments (got %i).",
588 c->values_num);
589 continue;
590 }
592 if (c->children_num != 0) {
593 WARNING ("processes plugin: the `ProcessMatch' config option "
594 "does not expect any child elements -- ignoring "
595 "content (%i elements) of the <ProcessMatch '%s' '%s'> "
596 "block.", c->children_num, c->values[0].value.string,
597 c->values[1].value.string);
598 }
600 ps_list_register (c->values[0].value.string,
601 c->values[1].value.string);
602 }
603 else if (strcasecmp (c->key, "CollectContextSwitch") == 0)
604 {
605 cf_util_get_boolean (c, &report_ctx_switch);
606 }
607 else
608 {
609 ERROR ("processes plugin: The `%s' configuration option is not "
610 "understood and will be ignored.", c->key);
611 continue;
612 }
613 }
615 return (0);
616 }
618 static int ps_init (void)
619 {
620 #if HAVE_THREAD_INFO
621 kern_return_t status;
623 port_host_self = mach_host_self ();
624 port_task_self = mach_task_self ();
626 if (pset_list != NULL)
627 {
628 vm_deallocate (port_task_self,
629 (vm_address_t) pset_list,
630 pset_list_len * sizeof (processor_set_t));
631 pset_list = NULL;
632 pset_list_len = 0;
633 }
635 if ((status = host_processor_sets (port_host_self,
636 &pset_list,
637 &pset_list_len)) != KERN_SUCCESS)
638 {
639 ERROR ("host_processor_sets failed: %s\n",
640 mach_error_string (status));
641 pset_list = NULL;
642 pset_list_len = 0;
643 return (-1);
644 }
645 /* #endif HAVE_THREAD_INFO */
647 #elif KERNEL_LINUX
648 pagesize_g = sysconf(_SC_PAGESIZE);
649 DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
650 pagesize_g, CONFIG_HZ);
651 /* #endif KERNEL_LINUX */
653 #elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
654 pagesize = getpagesize();
655 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
657 #elif HAVE_PROCINFO_H
658 pagesize = getpagesize();
659 #endif /* HAVE_PROCINFO_H */
661 return (0);
662 } /* int ps_init */
664 /* submit global state (e.g.: qty of zombies, running, etc..) */
665 static void ps_submit_state (const char *state, double value)
666 {
667 value_t values[1];
668 value_list_t vl = VALUE_LIST_INIT;
670 values[0].gauge = value;
672 vl.values = values;
673 vl.values_len = 1;
674 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
675 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
676 sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
677 sstrncpy (vl.type, "ps_state", sizeof (vl.type));
678 sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
680 plugin_dispatch_values (&vl);
681 }
683 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
684 static void ps_submit_proc_list (procstat_t *ps)
685 {
686 value_t values[2];
687 value_list_t vl = VALUE_LIST_INIT;
689 vl.values = values;
690 vl.values_len = 2;
691 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
692 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
693 sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
695 sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
696 vl.values[0].gauge = ps->vmem_size;
697 vl.values_len = 1;
698 plugin_dispatch_values (&vl);
700 sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
701 vl.values[0].gauge = ps->vmem_rss;
702 vl.values_len = 1;
703 plugin_dispatch_values (&vl);
705 sstrncpy (vl.type, "ps_data", sizeof (vl.type));
706 vl.values[0].gauge = ps->vmem_data;
707 vl.values_len = 1;
708 plugin_dispatch_values (&vl);
710 sstrncpy (vl.type, "ps_code", sizeof (vl.type));
711 vl.values[0].gauge = ps->vmem_code;
712 vl.values_len = 1;
713 plugin_dispatch_values (&vl);
715 sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
716 vl.values[0].gauge = ps->stack_size;
717 vl.values_len = 1;
718 plugin_dispatch_values (&vl);
720 sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
721 vl.values[0].derive = ps->cpu_user_counter;
722 vl.values[1].derive = ps->cpu_system_counter;
723 vl.values_len = 2;
724 plugin_dispatch_values (&vl);
726 sstrncpy (vl.type, "ps_count", sizeof (vl.type));
727 vl.values[0].gauge = ps->num_proc;
728 vl.values[1].gauge = ps->num_lwp;
729 vl.values_len = 2;
730 plugin_dispatch_values (&vl);
732 sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
733 vl.values[0].derive = ps->vmem_minflt_counter;
734 vl.values[1].derive = ps->vmem_majflt_counter;
735 vl.values_len = 2;
736 plugin_dispatch_values (&vl);
738 if ( (ps->io_rchar != -1) && (ps->io_wchar != -1) )
739 {
740 sstrncpy (vl.type, "ps_disk_octets", sizeof (vl.type));
741 vl.values[0].derive = ps->io_rchar;
742 vl.values[1].derive = ps->io_wchar;
743 vl.values_len = 2;
744 plugin_dispatch_values (&vl);
745 }
747 if ( (ps->io_syscr != -1) && (ps->io_syscw != -1) )
748 {
749 sstrncpy (vl.type, "ps_disk_ops", sizeof (vl.type));
750 vl.values[0].derive = ps->io_syscr;
751 vl.values[1].derive = ps->io_syscw;
752 vl.values_len = 2;
753 plugin_dispatch_values (&vl);
754 }
756 if ( report_ctx_switch )
757 {
758 sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
759 sstrncpy (vl.type_instance, "voluntary", sizeof (vl.type_instance));
760 vl.values[0].derive = ps->cswitch_vol;
761 vl.values_len = 1;
762 plugin_dispatch_values (&vl);
764 sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
765 sstrncpy (vl.type_instance, "involuntary", sizeof (vl.type_instance));
766 vl.values[0].derive = ps->cswitch_invol;
767 vl.values_len = 1;
768 plugin_dispatch_values (&vl);
769 }
771 DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
772 "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
773 "vmem_code = %lu; "
774 "vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
775 "cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
776 "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
777 "io_syscr = %"PRIi64"; io_syscw = %"PRIi64"; "
778 "cswitch_vol = %"PRIi64"; cswitch_invol = %"PRIi64";",
779 ps->name, ps->num_proc, ps->num_lwp,
780 ps->vmem_size, ps->vmem_rss,
781 ps->vmem_data, ps->vmem_code,
782 ps->vmem_minflt_counter, ps->vmem_majflt_counter,
783 ps->cpu_user_counter, ps->cpu_system_counter,
784 ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw,
785 ps->cswitch_vol, ps->cswitch_invol);
786 } /* void ps_submit_proc_list */
788 #if KERNEL_LINUX || KERNEL_SOLARIS
789 static void ps_submit_fork_rate (derive_t value)
790 {
791 value_t values[1];
792 value_list_t vl = VALUE_LIST_INIT;
794 values[0].derive = value;
796 vl.values = values;
797 vl.values_len = 1;
798 sstrncpy(vl.host, hostname_g, sizeof (vl.host));
799 sstrncpy(vl.plugin, "processes", sizeof (vl.plugin));
800 sstrncpy(vl.plugin_instance, "", sizeof (vl.plugin_instance));
801 sstrncpy(vl.type, "fork_rate", sizeof (vl.type));
802 sstrncpy(vl.type_instance, "", sizeof (vl.type_instance));
804 plugin_dispatch_values(&vl);
805 }
806 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
808 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
809 #if KERNEL_LINUX
810 static procstat_t *ps_read_tasks_status (long pid, procstat_t *ps)
811 {
812 char dirname[64];
813 DIR *dh;
814 char filename[64];
815 FILE *fh;
816 struct dirent *ent;
817 derive_t cswitch_vol = 0;
818 derive_t cswitch_invol = 0;
819 char buffer[1024];
820 char *fields[8];
821 int numfields;
823 ssnprintf (dirname, sizeof (dirname), "/proc/%li/task", pid);
825 if ((dh = opendir (dirname)) == NULL)
826 {
827 DEBUG ("Failed to open directory `%s'", dirname);
828 return (NULL);
829 }
831 while ((ent = readdir (dh)) != NULL)
832 {
833 char *tpid;
835 if (!isdigit ((int) ent->d_name[0]))
836 continue;
838 tpid = ent->d_name;
840 ssnprintf (filename, sizeof (filename), "/proc/%li/task/%s/status", pid, tpid);
841 if ((fh = fopen (filename, "r")) == NULL)
842 {
843 DEBUG ("Failed to open file `%s'", filename);
844 continue;
845 }
847 while (fgets (buffer, sizeof(buffer), fh) != NULL)
848 {
849 derive_t tmp;
850 char *endptr;
852 if (strncmp (buffer, "voluntary_ctxt_switches", 23) != 0
853 && strncmp (buffer, "nonvoluntary_ctxt_switches", 26) != 0)
854 continue;
856 numfields = strsplit (buffer, fields,
857 STATIC_ARRAY_SIZE (fields));
859 if (numfields < 2)
860 continue;
862 errno = 0;
863 endptr = NULL;
864 tmp = (derive_t) strtoll (fields[1], &endptr, /* base = */ 10);
865 if ((errno == 0) && (endptr != fields[1]))
866 {
867 if (strncmp (buffer, "voluntary_ctxt_switches", 23) == 0)
868 {
869 cswitch_vol += tmp;
870 }
871 else if (strncmp (buffer, "nonvoluntary_ctxt_switches", 26) == 0)
872 {
873 cswitch_invol += tmp;
874 }
875 }
876 } /* while (fgets) */
878 if (fclose (fh))
879 {
880 char errbuf[1024];
881 WARNING ("processes: fclose: %s",
882 sstrerror (errno, errbuf, sizeof (errbuf)));
883 }
884 }
885 closedir (dh);
887 ps->cswitch_vol = cswitch_vol;
888 ps->cswitch_invol = cswitch_invol;
890 return (ps);
891 } /* int *ps_read_tasks_status */
893 /* Read data from /proc/pid/status */
894 static procstat_t *ps_read_status (long pid, procstat_t *ps)
895 {
896 FILE *fh;
897 char buffer[1024];
898 char filename[64];
899 unsigned long lib = 0;
900 unsigned long exe = 0;
901 unsigned long data = 0;
902 unsigned long threads = 0;
903 char *fields[8];
904 int numfields;
906 ssnprintf (filename, sizeof (filename), "/proc/%li/status", pid);
907 if ((fh = fopen (filename, "r")) == NULL)
908 return (NULL);
910 while (fgets (buffer, sizeof(buffer), fh) != NULL)
911 {
912 unsigned long tmp;
913 char *endptr;
915 if (strncmp (buffer, "Vm", 2) != 0
916 && strncmp (buffer, "Threads", 7) != 0)
917 continue;
919 numfields = strsplit (buffer, fields,
920 STATIC_ARRAY_SIZE (fields));
922 if (numfields < 2)
923 continue;
925 errno = 0;
926 endptr = NULL;
927 tmp = strtoul (fields[1], &endptr, /* base = */ 10);
928 if ((errno == 0) && (endptr != fields[1]))
929 {
930 if (strncmp (buffer, "VmData", 6) == 0)
931 {
932 data = tmp;
933 }
934 else if (strncmp (buffer, "VmLib", 5) == 0)
935 {
936 lib = tmp;
937 }
938 else if (strncmp(buffer, "VmExe", 5) == 0)
939 {
940 exe = tmp;
941 }
942 else if (strncmp(buffer, "Threads", 7) == 0)
943 {
944 threads = tmp;
945 }
946 }
947 } /* while (fgets) */
949 if (fclose (fh))
950 {
951 char errbuf[1024];
952 WARNING ("processes: fclose: %s",
953 sstrerror (errno, errbuf, sizeof (errbuf)));
954 }
956 ps->vmem_data = data * 1024;
957 ps->vmem_code = (exe + lib) * 1024;
958 if (threads != 0)
959 ps->num_lwp = threads;
961 return (ps);
962 } /* procstat_t *ps_read_vmem */
964 static procstat_t *ps_read_io (long pid, procstat_t *ps)
965 {
966 FILE *fh;
967 char buffer[1024];
968 char filename[64];
970 char *fields[8];
971 int numfields;
973 ssnprintf (filename, sizeof (filename), "/proc/%li/io", pid);
974 if ((fh = fopen (filename, "r")) == NULL)
975 return (NULL);
977 while (fgets (buffer, sizeof (buffer), fh) != NULL)
978 {
979 derive_t *val = NULL;
980 long long tmp;
981 char *endptr;
983 if (strncasecmp (buffer, "rchar:", 6) == 0)
984 val = &(ps->io_rchar);
985 else if (strncasecmp (buffer, "wchar:", 6) == 0)
986 val = &(ps->io_wchar);
987 else if (strncasecmp (buffer, "syscr:", 6) == 0)
988 val = &(ps->io_syscr);
989 else if (strncasecmp (buffer, "syscw:", 6) == 0)
990 val = &(ps->io_syscw);
991 else
992 continue;
994 numfields = strsplit (buffer, fields,
995 STATIC_ARRAY_SIZE (fields));
997 if (numfields < 2)
998 continue;
1000 errno = 0;
1001 endptr = NULL;
1002 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
1003 if ((errno != 0) || (endptr == fields[1]))
1004 *val = -1;
1005 else
1006 *val = (derive_t) tmp;
1007 } /* while (fgets) */
1009 if (fclose (fh))
1010 {
1011 char errbuf[1024];
1012 WARNING ("processes: fclose: %s",
1013 sstrerror (errno, errbuf, sizeof (errbuf)));
1014 }
1016 return (ps);
1017 } /* procstat_t *ps_read_io */
1019 static int ps_read_process (long pid, procstat_t *ps, char *state)
1020 {
1021 char filename[64];
1022 char buffer[1024];
1024 char *fields[64];
1025 char fields_len;
1027 size_t buffer_len;
1029 char *buffer_ptr;
1030 size_t name_start_pos;
1031 size_t name_end_pos;
1032 size_t name_len;
1034 derive_t cpu_user_counter;
1035 derive_t cpu_system_counter;
1036 long long unsigned vmem_size;
1037 long long unsigned vmem_rss;
1038 long long unsigned stack_size;
1040 ssize_t status;
1042 memset (ps, 0, sizeof (procstat_t));
1044 ssnprintf (filename, sizeof (filename), "/proc/%li/stat", pid);
1046 status = read_file_contents (filename, buffer, sizeof(buffer) - 1);
1047 if (status <= 0)
1048 return (-1);
1049 buffer_len = (size_t) status;
1050 buffer[buffer_len] = 0;
1052 /* The name of the process is enclosed in parens. Since the name can
1053 * contain parens itself, spaces, numbers and pretty much everything
1054 * else, use these to determine the process name. We don't use
1055 * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
1056 * otherwise be required to determine name_len. */
1057 name_start_pos = 0;
1058 while (name_start_pos < buffer_len && buffer[name_start_pos] != '(')
1059 name_start_pos++;
1061 name_end_pos = buffer_len;
1062 while (name_end_pos > 0 && buffer[name_end_pos] != ')')
1063 name_end_pos--;
1065 /* Either '(' or ')' is not found or they are in the wrong order.
1066 * Anyway, something weird that shouldn't happen ever. */
1067 if (name_start_pos >= name_end_pos)
1068 {
1069 ERROR ("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
1070 name_start_pos, name_end_pos);
1071 return (-1);
1072 }
1074 name_len = (name_end_pos - name_start_pos) - 1;
1075 if (name_len >= sizeof (ps->name))
1076 name_len = sizeof (ps->name) - 1;
1078 sstrncpy (ps->name, &buffer[name_start_pos + 1], name_len + 1);
1080 if ((buffer_len - name_end_pos) < 2)
1081 return (-1);
1082 buffer_ptr = &buffer[name_end_pos + 2];
1084 fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
1085 if (fields_len < 22)
1086 {
1087 DEBUG ("processes plugin: ps_read_process (pid = %li):"
1088 " `%s' has only %i fields..",
1089 pid, filename, fields_len);
1090 return (-1);
1091 }
1093 *state = fields[0][0];
1095 if (*state == 'Z')
1096 {
1097 ps->num_lwp = 0;
1098 ps->num_proc = 0;
1099 }
1100 else
1101 {
1102 ps->num_lwp = strtoul (fields[17], /* endptr = */ NULL, /* base = */ 10);
1103 if ((ps_read_status(pid, ps)) == NULL)
1104 {
1105 /* No VMem data */
1106 ps->vmem_data = -1;
1107 ps->vmem_code = -1;
1108 DEBUG("ps_read_process: did not get vmem data for pid %li", pid);
1109 }
1110 if (ps->num_lwp == 0)
1111 ps->num_lwp = 1;
1112 ps->num_proc = 1;
1113 }
1115 /* Leave the rest at zero if this is only a zombi */
1116 if (ps->num_proc == 0)
1117 {
1118 DEBUG ("processes plugin: This is only a zombie: pid = %li; "
1119 "name = %s;", pid, ps->name);
1120 return (0);
1121 }
1123 cpu_user_counter = atoll (fields[11]);
1124 cpu_system_counter = atoll (fields[12]);
1125 vmem_size = atoll (fields[20]);
1126 vmem_rss = atoll (fields[21]);
1127 ps->vmem_minflt_counter = atol (fields[7]);
1128 ps->vmem_majflt_counter = atol (fields[9]);
1130 {
1131 unsigned long long stack_start = atoll (fields[25]);
1132 unsigned long long stack_ptr = atoll (fields[26]);
1134 stack_size = (stack_start > stack_ptr)
1135 ? stack_start - stack_ptr
1136 : stack_ptr - stack_start;
1137 }
1139 /* Convert jiffies to useconds */
1140 cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
1141 cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1142 vmem_rss = vmem_rss * pagesize_g;
1144 ps->cpu_user_counter = cpu_user_counter;
1145 ps->cpu_system_counter = cpu_system_counter;
1146 ps->vmem_size = (unsigned long) vmem_size;
1147 ps->vmem_rss = (unsigned long) vmem_rss;
1148 ps->stack_size = (unsigned long) stack_size;
1150 if ( (ps_read_io (pid, ps)) == NULL)
1151 {
1152 /* no io data */
1153 ps->io_rchar = -1;
1154 ps->io_wchar = -1;
1155 ps->io_syscr = -1;
1156 ps->io_syscw = -1;
1158 DEBUG("ps_read_process: not get io data for pid %li", pid);
1159 }
1161 if ( report_ctx_switch )
1162 {
1163 if ( (ps_read_tasks_status(pid, ps)) == NULL)
1164 {
1165 ps->cswitch_vol = -1;
1166 ps->cswitch_invol = -1;
1168 DEBUG("ps_read_tasks_status: not get context "
1169 "switch data for pid %li", pid);
1170 }
1171 }
1173 /* success */
1174 return (0);
1175 } /* int ps_read_process (...) */
1177 static char *ps_get_cmdline (long pid, char *name, char *buf, size_t buf_len)
1178 {
1179 char *buf_ptr;
1180 size_t len;
1182 char file[PATH_MAX];
1183 int fd;
1185 size_t n;
1187 if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1188 return NULL;
1190 ssnprintf (file, sizeof (file), "/proc/%li/cmdline", pid);
1192 errno = 0;
1193 fd = open (file, O_RDONLY);
1194 if (fd < 0) {
1195 char errbuf[4096];
1196 /* ENOENT means the process exited while we were handling it.
1197 * Don't complain about this, it only fills the logs. */
1198 if (errno != ENOENT)
1199 WARNING ("processes plugin: Failed to open `%s': %s.", file,
1200 sstrerror (errno, errbuf, sizeof (errbuf)));
1201 return NULL;
1202 }
1204 buf_ptr = buf;
1205 len = buf_len;
1207 n = 0;
1209 while (42) {
1210 ssize_t status;
1212 status = read (fd, (void *)buf_ptr, len);
1214 if (status < 0) {
1215 char errbuf[1024];
1217 if ((EAGAIN == errno) || (EINTR == errno))
1218 continue;
1220 WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1221 sstrerror (errno, errbuf, sizeof (errbuf)));
1222 close (fd);
1223 return NULL;
1224 }
1226 n += status;
1228 if (status == 0)
1229 break;
1231 buf_ptr += status;
1232 len -= status;
1234 if (len == 0)
1235 break;
1236 }
1238 close (fd);
1240 if (0 == n) {
1241 /* cmdline not available; e.g. kernel thread, zombie */
1242 if (NULL == name)
1243 return NULL;
1245 ssnprintf (buf, buf_len, "[%s]", name);
1246 return buf;
1247 }
1249 assert (n <= buf_len);
1251 if (n == buf_len)
1252 --n;
1253 buf[n] = '\0';
1255 --n;
1256 /* remove trailing whitespace */
1257 while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1258 buf[n] = '\0';
1259 --n;
1260 }
1262 /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1263 while (n > 0) {
1264 if ('\0' == buf[n])
1265 buf[n] = ' ';
1266 --n;
1267 }
1268 return buf;
1269 } /* char *ps_get_cmdline (...) */
1271 static int read_fork_rate (void)
1272 {
1273 FILE *proc_stat;
1274 char buffer[1024];
1275 value_t value;
1276 _Bool value_valid = 0;
1278 proc_stat = fopen ("/proc/stat", "r");
1279 if (proc_stat == NULL)
1280 {
1281 char errbuf[1024];
1282 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1283 sstrerror (errno, errbuf, sizeof (errbuf)));
1284 return (-1);
1285 }
1287 while (fgets (buffer, sizeof (buffer), proc_stat) != NULL)
1288 {
1289 int status;
1290 char *fields[3];
1291 int fields_num;
1293 fields_num = strsplit (buffer, fields,
1294 STATIC_ARRAY_SIZE (fields));
1295 if (fields_num != 2)
1296 continue;
1298 if (strcmp ("processes", fields[0]) != 0)
1299 continue;
1301 status = parse_value (fields[1], &value, DS_TYPE_DERIVE);
1302 if (status == 0)
1303 value_valid = 1;
1305 break;
1306 }
1307 fclose(proc_stat);
1309 if (!value_valid)
1310 return (-1);
1312 ps_submit_fork_rate (value.derive);
1313 return (0);
1314 }
1315 #endif /*KERNEL_LINUX */
1317 #if KERNEL_SOLARIS
1318 static char *ps_get_cmdline (long pid, char *name __attribute__((unused)), /* {{{ */
1319 char *buffer, size_t buffer_size)
1320 {
1321 char path[PATH_MAX];
1322 psinfo_t info;
1323 ssize_t status;
1325 snprintf(path, sizeof (path), "/proc/%li/psinfo", pid);
1327 status = read_file_contents (path, (void *) &info, sizeof (info));
1328 if ((status < 0) || (((size_t) status) != sizeof (info)))
1329 {
1330 ERROR ("processes plugin: Unexpected return value "
1331 "while reading \"%s\": "
1332 "Returned %zd but expected %zu.",
1333 path, status, buffer_size);
1334 return (NULL);
1335 }
1337 info.pr_psargs[sizeof (info.pr_psargs) - 1] = 0;
1338 sstrncpy (buffer, info.pr_psargs, buffer_size);
1340 return (buffer);
1341 } /* }}} int ps_get_cmdline */
1343 /*
1344 * Reads process information on the Solaris OS. The information comes mainly from
1345 * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1346 * The values for input and ouput chars are calculated "by hand"
1347 * Added a few "solaris" specific process states as well
1348 */
1349 static int ps_read_process(long pid, procstat_t *ps, char *state)
1350 {
1351 char filename[64];
1352 char f_psinfo[64], f_usage[64];
1353 char *buffer;
1355 pstatus_t *myStatus;
1356 psinfo_t *myInfo;
1357 prusage_t *myUsage;
1359 snprintf(filename, sizeof (filename), "/proc/%li/status", pid);
1360 snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%li/psinfo", pid);
1361 snprintf(f_usage, sizeof (f_usage), "/proc/%li/usage", pid);
1364 buffer = calloc(1, sizeof (pstatus_t));
1365 read_file_contents(filename, buffer, sizeof (pstatus_t));
1366 myStatus = (pstatus_t *) buffer;
1368 buffer = calloc(1, sizeof (psinfo_t));
1369 read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1370 myInfo = (psinfo_t *) buffer;
1372 buffer = calloc(1, sizeof (prusage_t));
1373 read_file_contents(f_usage, buffer, sizeof (prusage_t));
1374 myUsage = (prusage_t *) buffer;
1376 sstrncpy(ps->name, myInfo->pr_fname, sizeof (myInfo->pr_fname));
1377 ps->num_lwp = myStatus->pr_nlwp;
1378 if (myInfo->pr_wstat != 0) {
1379 ps->num_proc = 0;
1380 ps->num_lwp = 0;
1381 *state = (char) 'Z';
1383 sfree(myStatus);
1384 sfree(myInfo);
1385 sfree(myUsage);
1386 return (0);
1387 } else {
1388 ps->num_proc = 1;
1389 ps->num_lwp = myInfo->pr_nlwp;
1390 }
1392 /*
1393 * Convert system time and user time from nanoseconds to microseconds
1394 * for compatibility with the linux module
1395 */
1396 ps->cpu_system_counter = myStatus -> pr_stime.tv_nsec / 1000;
1397 ps->cpu_user_counter = myStatus -> pr_utime.tv_nsec / 1000;
1399 /*
1400 * Convert rssize from KB to bytes to be consistent w/ the linux module
1401 */
1402 ps->vmem_rss = myInfo->pr_rssize * 1024;
1403 ps->vmem_size = myInfo->pr_size * 1024;
1404 ps->vmem_minflt_counter = myUsage->pr_minf;
1405 ps->vmem_majflt_counter = myUsage->pr_majf;
1407 /*
1408 * TODO: Data and code segment calculations for Solaris
1409 */
1411 ps->vmem_data = -1;
1412 ps->vmem_code = -1;
1413 ps->stack_size = myStatus->pr_stksize;
1415 /*
1416 * Calculating input/ouput chars
1417 * Formula used is total chars / total blocks => chars/block
1418 * then convert input/output blocks to chars
1419 */
1420 ulong_t tot_chars = myUsage->pr_ioch;
1421 ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1422 ulong_t chars_per_block = 1;
1423 if (tot_blocks != 0)
1424 chars_per_block = tot_chars / tot_blocks;
1425 ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1426 ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1427 ps->io_syscr = myUsage->pr_sysc;
1428 ps->io_syscw = myUsage->pr_sysc;
1430 /*
1431 * TODO: context switch counters for Solaris
1432 */
1433 ps->cswitch_vol = -1;
1434 ps->cswitch_invol = -1;
1437 /*
1438 * TODO: Find way of setting BLOCKED and PAGING status
1439 */
1441 *state = (char) 'R';
1442 if (myStatus->pr_flags & PR_ASLEEP)
1443 *state = (char) 'S';
1444 else if (myStatus->pr_flags & PR_STOPPED)
1445 *state = (char) 'T';
1446 else if (myStatus->pr_flags & PR_DETACH)
1447 *state = (char) 'E';
1448 else if (myStatus->pr_flags & PR_DAEMON)
1449 *state = (char) 'A';
1450 else if (myStatus->pr_flags & PR_ISSYS)
1451 *state = (char) 'Y';
1452 else if (myStatus->pr_flags & PR_ORPHAN)
1453 *state = (char) 'O';
1455 sfree(myStatus);
1456 sfree(myInfo);
1457 sfree(myUsage);
1459 return (0);
1460 }
1462 /*
1463 * Reads the number of threads created since the last reboot. On Solaris these
1464 * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1465 * The result is the sum for all the threads created on each cpu
1466 */
1467 static int read_fork_rate (void)
1468 {
1469 extern kstat_ctl_t *kc;
1470 kstat_t *ksp_chain = NULL;
1471 derive_t result = 0;
1473 if (kc == NULL)
1474 return (-1);
1476 for (ksp_chain = kc->kc_chain;
1477 ksp_chain != NULL;
1478 ksp_chain = ksp_chain->ks_next)
1479 {
1480 if ((strcmp (ksp_chain->ks_module, "cpu") == 0)
1481 && (strcmp (ksp_chain->ks_name, "sys") == 0)
1482 && (strcmp (ksp_chain->ks_class, "misc") == 0))
1483 {
1484 long long tmp;
1486 kstat_read (kc, ksp_chain, NULL);
1488 tmp = get_kstat_value(ksp_chain, "nthreads");
1489 if (tmp != -1LL)
1490 result += tmp;
1491 }
1492 }
1494 ps_submit_fork_rate (result);
1495 return (0);
1496 }
1497 #endif /* KERNEL_SOLARIS */
1499 #if HAVE_THREAD_INFO
1500 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1501 {
1502 int mib[4];
1504 struct kinfo_proc kp;
1505 size_t kp_size;
1507 mib[0] = CTL_KERN;
1508 mib[1] = KERN_PROC;
1509 mib[2] = KERN_PROC_PID;
1511 if (pid_for_task (t, pid) != KERN_SUCCESS)
1512 return (-1);
1513 mib[3] = *pid;
1515 kp_size = sizeof (kp);
1516 if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1517 return (-1);
1519 if (name_max_len > (MAXCOMLEN + 1))
1520 name_max_len = MAXCOMLEN + 1;
1522 strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1523 name[name_max_len - 1] = '\0';
1525 DEBUG ("pid = %i; name = %s;", *pid, name);
1527 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1528 * `top' does it, because it is a lot of work and only used when
1529 * debugging. -octo */
1531 return (0);
1532 }
1533 #endif /* HAVE_THREAD_INFO */
1534 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1536 /* do actual readings from kernel */
1537 static int ps_read (void)
1538 {
1539 #if HAVE_THREAD_INFO
1540 kern_return_t status;
1542 int pset;
1543 processor_set_t port_pset_priv;
1545 int task;
1546 task_array_t task_list;
1547 mach_msg_type_number_t task_list_len;
1549 int task_pid;
1550 char task_name[MAXCOMLEN + 1];
1552 int thread;
1553 thread_act_array_t thread_list;
1554 mach_msg_type_number_t thread_list_len;
1555 thread_basic_info_data_t thread_data;
1556 mach_msg_type_number_t thread_data_len;
1558 int running = 0;
1559 int sleeping = 0;
1560 int zombies = 0;
1561 int stopped = 0;
1562 int blocked = 0;
1564 procstat_t *ps;
1565 procstat_entry_t pse;
1567 ps_list_reset ();
1569 /*
1570 * The Mach-concept is a little different from the traditional UNIX
1571 * concept: All the work is done in threads. Threads are contained in
1572 * `tasks'. Therefore, `task status' doesn't make much sense, since
1573 * it's actually a `thread status'.
1574 * Tasks are assigned to sets of processors, so that's where you go to
1575 * get a list.
1576 */
1577 for (pset = 0; pset < pset_list_len; pset++)
1578 {
1579 if ((status = host_processor_set_priv (port_host_self,
1580 pset_list[pset],
1581 &port_pset_priv)) != KERN_SUCCESS)
1582 {
1583 ERROR ("host_processor_set_priv failed: %s\n",
1584 mach_error_string (status));
1585 continue;
1586 }
1588 if ((status = processor_set_tasks (port_pset_priv,
1589 &task_list,
1590 &task_list_len)) != KERN_SUCCESS)
1591 {
1592 ERROR ("processor_set_tasks failed: %s\n",
1593 mach_error_string (status));
1594 mach_port_deallocate (port_task_self, port_pset_priv);
1595 continue;
1596 }
1598 for (task = 0; task < task_list_len; task++)
1599 {
1600 ps = NULL;
1601 if (mach_get_task_name (task_list[task],
1602 &task_pid,
1603 task_name, PROCSTAT_NAME_LEN) == 0)
1604 {
1605 /* search for at least one match */
1606 for (ps = list_head_g; ps != NULL; ps = ps->next)
1607 /* FIXME: cmdline should be here instead of NULL */
1608 if (ps_list_match (task_name, NULL, ps) == 1)
1609 break;
1610 }
1612 /* Collect more detailed statistics for this process */
1613 if (ps != NULL)
1614 {
1615 task_basic_info_data_t task_basic_info;
1616 mach_msg_type_number_t task_basic_info_len;
1617 task_events_info_data_t task_events_info;
1618 mach_msg_type_number_t task_events_info_len;
1619 task_absolutetime_info_data_t task_absolutetime_info;
1620 mach_msg_type_number_t task_absolutetime_info_len;
1622 memset (&pse, '\0', sizeof (pse));
1623 pse.id = task_pid;
1625 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1626 status = task_info (task_list[task],
1627 TASK_BASIC_INFO,
1628 (task_info_t) &task_basic_info,
1629 &task_basic_info_len);
1630 if (status != KERN_SUCCESS)
1631 {
1632 ERROR ("task_info failed: %s",
1633 mach_error_string (status));
1634 continue; /* with next thread_list */
1635 }
1637 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1638 status = task_info (task_list[task],
1639 TASK_EVENTS_INFO,
1640 (task_info_t) &task_events_info,
1641 &task_events_info_len);
1642 if (status != KERN_SUCCESS)
1643 {
1644 ERROR ("task_info failed: %s",
1645 mach_error_string (status));
1646 continue; /* with next thread_list */
1647 }
1649 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1650 status = task_info (task_list[task],
1651 TASK_ABSOLUTETIME_INFO,
1652 (task_info_t) &task_absolutetime_info,
1653 &task_absolutetime_info_len);
1654 if (status != KERN_SUCCESS)
1655 {
1656 ERROR ("task_info failed: %s",
1657 mach_error_string (status));
1658 continue; /* with next thread_list */
1659 }
1661 pse.num_proc++;
1662 pse.vmem_size = task_basic_info.virtual_size;
1663 pse.vmem_rss = task_basic_info.resident_size;
1664 /* Does not seem to be easily exposed */
1665 pse.vmem_data = 0;
1666 pse.vmem_code = 0;
1668 pse.vmem_minflt_counter = task_events_info.cow_faults;
1669 pse.vmem_majflt_counter = task_events_info.faults;
1671 pse.cpu_user_counter = task_absolutetime_info.total_user;
1672 pse.cpu_system_counter = task_absolutetime_info.total_system;
1674 /* context switch counters not implemented */
1675 pse.cswitch_vol = -1;
1676 pse.cswitch_invol = -1;
1677 }
1679 status = task_threads (task_list[task], &thread_list,
1680 &thread_list_len);
1681 if (status != KERN_SUCCESS)
1682 {
1683 /* Apple's `top' treats this case a zombie. It
1684 * makes sense to some extend: A `zombie'
1685 * thread is nonsense, since the task/process
1686 * is dead. */
1687 zombies++;
1688 DEBUG ("task_threads failed: %s",
1689 mach_error_string (status));
1690 if (task_list[task] != port_task_self)
1691 mach_port_deallocate (port_task_self,
1692 task_list[task]);
1693 continue; /* with next task_list */
1694 }
1696 for (thread = 0; thread < thread_list_len; thread++)
1697 {
1698 thread_data_len = THREAD_BASIC_INFO_COUNT;
1699 status = thread_info (thread_list[thread],
1700 THREAD_BASIC_INFO,
1701 (thread_info_t) &thread_data,
1702 &thread_data_len);
1703 if (status != KERN_SUCCESS)
1704 {
1705 ERROR ("thread_info failed: %s",
1706 mach_error_string (status));
1707 if (task_list[task] != port_task_self)
1708 mach_port_deallocate (port_task_self,
1709 thread_list[thread]);
1710 continue; /* with next thread_list */
1711 }
1713 if (ps != NULL)
1714 pse.num_lwp++;
1716 switch (thread_data.run_state)
1717 {
1718 case TH_STATE_RUNNING:
1719 running++;
1720 break;
1721 case TH_STATE_STOPPED:
1722 /* What exactly is `halted'? */
1723 case TH_STATE_HALTED:
1724 stopped++;
1725 break;
1726 case TH_STATE_WAITING:
1727 sleeping++;
1728 break;
1729 case TH_STATE_UNINTERRUPTIBLE:
1730 blocked++;
1731 break;
1732 /* There is no `zombie' case here,
1733 * since there are no zombie-threads.
1734 * There's only zombie tasks, which are
1735 * handled above. */
1736 default:
1737 WARNING ("Unknown thread status: %i",
1738 thread_data.run_state);
1739 break;
1740 } /* switch (thread_data.run_state) */
1742 if (task_list[task] != port_task_self)
1743 {
1744 status = mach_port_deallocate (port_task_self,
1745 thread_list[thread]);
1746 if (status != KERN_SUCCESS)
1747 ERROR ("mach_port_deallocate failed: %s",
1748 mach_error_string (status));
1749 }
1750 } /* for (thread_list) */
1752 if ((status = vm_deallocate (port_task_self,
1753 (vm_address_t) thread_list,
1754 thread_list_len * sizeof (thread_act_t)))
1755 != KERN_SUCCESS)
1756 {
1757 ERROR ("vm_deallocate failed: %s",
1758 mach_error_string (status));
1759 }
1760 thread_list = NULL;
1761 thread_list_len = 0;
1763 /* Only deallocate the task port, if it isn't our own.
1764 * Don't know what would happen in that case, but this
1765 * is what Apple's top does.. ;) */
1766 if (task_list[task] != port_task_self)
1767 {
1768 status = mach_port_deallocate (port_task_self,
1769 task_list[task]);
1770 if (status != KERN_SUCCESS)
1771 ERROR ("mach_port_deallocate failed: %s",
1772 mach_error_string (status));
1773 }
1775 if (ps != NULL)
1776 /* FIXME: cmdline should be here instead of NULL */
1777 ps_list_add (task_name, NULL, &pse);
1778 } /* for (task_list) */
1780 if ((status = vm_deallocate (port_task_self,
1781 (vm_address_t) task_list,
1782 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1783 {
1784 ERROR ("vm_deallocate failed: %s",
1785 mach_error_string (status));
1786 }
1787 task_list = NULL;
1788 task_list_len = 0;
1790 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1791 != KERN_SUCCESS)
1792 {
1793 ERROR ("mach_port_deallocate failed: %s",
1794 mach_error_string (status));
1795 }
1796 } /* for (pset_list) */
1798 ps_submit_state ("running", running);
1799 ps_submit_state ("sleeping", sleeping);
1800 ps_submit_state ("zombies", zombies);
1801 ps_submit_state ("stopped", stopped);
1802 ps_submit_state ("blocked", blocked);
1804 for (ps = list_head_g; ps != NULL; ps = ps->next)
1805 ps_submit_proc_list (ps);
1806 /* #endif HAVE_THREAD_INFO */
1808 #elif KERNEL_LINUX
1809 int running = 0;
1810 int sleeping = 0;
1811 int zombies = 0;
1812 int stopped = 0;
1813 int paging = 0;
1814 int blocked = 0;
1816 struct dirent *ent;
1817 DIR *proc;
1818 long pid;
1820 char cmdline[CMDLINE_BUFFER_SIZE];
1822 int status;
1823 procstat_t ps;
1824 procstat_entry_t pse;
1825 char state;
1827 procstat_t *ps_ptr;
1829 running = sleeping = zombies = stopped = paging = blocked = 0;
1830 ps_list_reset ();
1832 if ((proc = opendir ("/proc")) == NULL)
1833 {
1834 char errbuf[1024];
1835 ERROR ("Cannot open `/proc': %s",
1836 sstrerror (errno, errbuf, sizeof (errbuf)));
1837 return (-1);
1838 }
1840 while ((ent = readdir (proc)) != NULL)
1841 {
1842 if (!isdigit (ent->d_name[0]))
1843 continue;
1845 if ((pid = atol (ent->d_name)) < 1)
1846 continue;
1848 status = ps_read_process (pid, &ps, &state);
1849 if (status != 0)
1850 {
1851 DEBUG ("ps_read_process failed: %i", status);
1852 continue;
1853 }
1855 memset (&pse, 0, sizeof (pse));
1856 pse.id = pid;
1857 pse.age = 0;
1859 pse.num_proc = ps.num_proc;
1860 pse.num_lwp = ps.num_lwp;
1861 pse.vmem_size = ps.vmem_size;
1862 pse.vmem_rss = ps.vmem_rss;
1863 pse.vmem_data = ps.vmem_data;
1864 pse.vmem_code = ps.vmem_code;
1865 pse.stack_size = ps.stack_size;
1867 pse.vmem_minflt = 0;
1868 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1869 pse.vmem_majflt = 0;
1870 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1872 pse.cpu_user = 0;
1873 pse.cpu_user_counter = ps.cpu_user_counter;
1874 pse.cpu_system = 0;
1875 pse.cpu_system_counter = ps.cpu_system_counter;
1877 pse.io_rchar = ps.io_rchar;
1878 pse.io_wchar = ps.io_wchar;
1879 pse.io_syscr = ps.io_syscr;
1880 pse.io_syscw = ps.io_syscw;
1882 pse.cswitch_vol = ps.cswitch_vol;
1883 pse.cswitch_invol = ps.cswitch_invol;
1885 switch (state)
1886 {
1887 case 'R': running++; break;
1888 case 'S': sleeping++; break;
1889 case 'D': blocked++; break;
1890 case 'Z': zombies++; break;
1891 case 'T': stopped++; break;
1892 case 'W': paging++; break;
1893 }
1895 ps_list_add (ps.name,
1896 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1897 &pse);
1898 }
1900 closedir (proc);
1902 ps_submit_state ("running", running);
1903 ps_submit_state ("sleeping", sleeping);
1904 ps_submit_state ("zombies", zombies);
1905 ps_submit_state ("stopped", stopped);
1906 ps_submit_state ("paging", paging);
1907 ps_submit_state ("blocked", blocked);
1909 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1910 ps_submit_proc_list (ps_ptr);
1912 read_fork_rate();
1913 /* #endif KERNEL_LINUX */
1915 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1916 int running = 0;
1917 int sleeping = 0;
1918 int zombies = 0;
1919 int stopped = 0;
1920 int blocked = 0;
1921 int idle = 0;
1922 int wait = 0;
1924 kvm_t *kd;
1925 char errbuf[_POSIX2_LINE_MAX];
1926 struct kinfo_proc *procs; /* array of processes */
1927 struct kinfo_proc *proc_ptr = NULL;
1928 int count; /* returns number of processes */
1929 int i;
1931 procstat_t *ps_ptr;
1932 procstat_entry_t pse;
1934 ps_list_reset ();
1936 /* Open the kvm interface, get a descriptor */
1937 kd = kvm_openfiles (NULL, "/dev/null", NULL, 0, errbuf);
1938 if (kd == NULL)
1939 {
1940 ERROR ("processes plugin: Cannot open kvm interface: %s",
1941 errbuf);
1942 return (0);
1943 }
1945 /* Get the list of processes. */
1946 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1947 if (procs == NULL)
1948 {
1949 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1950 kvm_geterr(kd));
1951 kvm_close (kd);
1952 return (0);
1953 }
1955 /* Iterate through the processes in kinfo_proc */
1956 for (i = 0; i < count; i++)
1957 {
1958 /* Create only one process list entry per _process_, i.e.
1959 * filter out threads (duplicate PID entries). */
1960 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1961 {
1962 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1963 _Bool have_cmdline = 0;
1965 proc_ptr = &(procs[i]);
1966 /* Don't probe system processes and processes without arguments */
1967 if (((procs[i].ki_flag & P_SYSTEM) == 0)
1968 && (procs[i].ki_args != NULL))
1969 {
1970 char **argv;
1971 int argc;
1972 int status;
1974 /* retrieve the arguments */
1975 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1976 argc = 0;
1977 if ((argv != NULL) && (argv[0] != NULL))
1978 {
1979 while (argv[argc] != NULL)
1980 argc++;
1982 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1983 if (status < 0)
1984 WARNING ("processes plugin: Command line did not fit into buffer.");
1985 else
1986 have_cmdline = 1;
1987 }
1988 } /* if (process has argument list) */
1990 pse.id = procs[i].ki_pid;
1991 pse.age = 0;
1993 pse.num_proc = 1;
1994 pse.num_lwp = procs[i].ki_numthreads;
1996 pse.vmem_size = procs[i].ki_size;
1997 pse.vmem_rss = procs[i].ki_rssize * pagesize;
1998 pse.vmem_data = procs[i].ki_dsize * pagesize;
1999 pse.vmem_code = procs[i].ki_tsize * pagesize;
2000 pse.stack_size = procs[i].ki_ssize * pagesize;
2001 pse.vmem_minflt = 0;
2002 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
2003 pse.vmem_majflt = 0;
2004 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
2006 pse.cpu_user = 0;
2007 pse.cpu_system = 0;
2008 pse.cpu_user_counter = 0;
2009 pse.cpu_system_counter = 0;
2010 /*
2011 * The u-area might be swapped out, and we can't get
2012 * at it because we have a crashdump and no swap.
2013 * If it's here fill in these fields, otherwise, just
2014 * leave them 0.
2015 */
2016 if (procs[i].ki_flag & P_INMEM)
2017 {
2018 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
2019 + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
2020 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
2021 + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
2022 }
2024 /* no I/O data */
2025 pse.io_rchar = -1;
2026 pse.io_wchar = -1;
2027 pse.io_syscr = -1;
2028 pse.io_syscw = -1;
2030 /* context switch counters not implemented */
2031 pse.cswitch_vol = -1;
2032 pse.cswitch_invol = -1;
2034 ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
2036 switch (procs[i].ki_stat)
2037 {
2038 case SSTOP: stopped++; break;
2039 case SSLEEP: sleeping++; break;
2040 case SRUN: running++; break;
2041 case SIDL: idle++; break;
2042 case SWAIT: wait++; break;
2043 case SLOCK: blocked++; break;
2044 case SZOMB: zombies++; break;
2045 }
2046 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
2047 }
2049 kvm_close(kd);
2051 ps_submit_state ("running", running);
2052 ps_submit_state ("sleeping", sleeping);
2053 ps_submit_state ("zombies", zombies);
2054 ps_submit_state ("stopped", stopped);
2055 ps_submit_state ("blocked", blocked);
2056 ps_submit_state ("idle", idle);
2057 ps_submit_state ("wait", wait);
2059 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2060 ps_submit_proc_list (ps_ptr);
2061 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
2063 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD
2064 int running = 0;
2065 int sleeping = 0;
2066 int zombies = 0;
2067 int stopped = 0;
2068 int onproc = 0;
2069 int idle = 0;
2070 int dead = 0;
2072 kvm_t *kd;
2073 char errbuf[1024];
2074 struct kinfo_proc *procs; /* array of processes */
2075 struct kinfo_proc *proc_ptr = NULL;
2076 int count; /* returns number of processes */
2077 int i;
2079 procstat_t *ps_ptr;
2080 procstat_entry_t pse;
2082 ps_list_reset ();
2084 /* Open the kvm interface, get a descriptor */
2085 kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
2086 if (kd == NULL)
2087 {
2088 ERROR ("processes plugin: Cannot open kvm interface: %s",
2089 errbuf);
2090 return (0);
2091 }
2093 /* Get the list of processes. */
2094 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
2095 if (procs == NULL)
2096 {
2097 ERROR ("processes plugin: Cannot get kvm processes list: %s",
2098 kvm_geterr(kd));
2099 kvm_close (kd);
2100 return (0);
2101 }
2103 /* Iterate through the processes in kinfo_proc */
2104 for (i = 0; i < count; i++)
2105 {
2106 /* Create only one process list entry per _process_, i.e.
2107 * filter out threads (duplicate PID entries). */
2108 if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid))
2109 {
2110 char cmdline[CMDLINE_BUFFER_SIZE] = "";
2111 _Bool have_cmdline = 0;
2113 proc_ptr = &(procs[i]);
2114 /* Don't probe zombie processes */
2115 if (!P_ZOMBIE(proc_ptr))
2116 {
2117 char **argv;
2118 int argc;
2119 int status;
2121 /* retrieve the arguments */
2122 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
2123 argc = 0;
2124 if ((argv != NULL) && (argv[0] != NULL))
2125 {
2126 while (argv[argc] != NULL)
2127 argc++;
2129 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
2130 if (status < 0)
2131 WARNING ("processes plugin: Command line did not fit into buffer.");
2132 else
2133 have_cmdline = 1;
2134 }
2135 } /* if (process has argument list) */
2137 memset (&pse, 0, sizeof (pse));
2138 pse.id = procs[i].p_pid;
2139 pse.age = 0;
2141 pse.num_proc = 1;
2142 pse.num_lwp = 1; /* XXX: accumulate p_tid values for a single p_pid ? */
2144 pse.vmem_rss = procs[i].p_vm_rssize * pagesize;
2145 pse.vmem_data = procs[i].p_vm_dsize * pagesize;
2146 pse.vmem_code = procs[i].p_vm_tsize * pagesize;
2147 pse.stack_size = procs[i].p_vm_ssize * pagesize;
2148 pse.vmem_size = pse.stack_size + pse.vmem_code + pse.vmem_data;
2149 pse.vmem_minflt = 0;
2150 pse.vmem_minflt_counter = procs[i].p_uru_minflt;
2151 pse.vmem_majflt = 0;
2152 pse.vmem_majflt_counter = procs[i].p_uru_majflt;
2154 pse.cpu_user = 0;
2155 pse.cpu_system = 0;
2156 pse.cpu_user_counter = procs[i].p_uutime_usec +
2157 (1000000lu * procs[i].p_uutime_sec);
2158 pse.cpu_system_counter = procs[i].p_ustime_usec +
2159 (1000000lu * procs[i].p_ustime_sec);
2161 /* no I/O data */
2162 pse.io_rchar = -1;
2163 pse.io_wchar = -1;
2164 pse.io_syscr = -1;
2165 pse.io_syscw = -1;
2167 /* context switch counters not implemented */
2168 pse.cswitch_vol = -1;
2169 pse.cswitch_invol = -1;
2171 ps_list_add (procs[i].p_comm, have_cmdline ? cmdline : NULL, &pse);
2173 switch (procs[i].p_stat)
2174 {
2175 case SSTOP: stopped++; break;
2176 case SSLEEP: sleeping++; break;
2177 case SRUN: running++; break;
2178 case SIDL: idle++; break;
2179 case SONPROC: onproc++; break;
2180 case SDEAD: dead++; break;
2181 case SZOMB: zombies++; break;
2182 }
2183 } /* if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) */
2184 }
2186 kvm_close(kd);
2188 ps_submit_state ("running", running);
2189 ps_submit_state ("sleeping", sleeping);
2190 ps_submit_state ("zombies", zombies);
2191 ps_submit_state ("stopped", stopped);
2192 ps_submit_state ("onproc", onproc);
2193 ps_submit_state ("idle", idle);
2194 ps_submit_state ("dead", dead);
2196 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2197 ps_submit_proc_list (ps_ptr);
2198 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD */
2200 #elif HAVE_PROCINFO_H
2201 /* AIX */
2202 int running = 0;
2203 int sleeping = 0;
2204 int zombies = 0;
2205 int stopped = 0;
2206 int paging = 0;
2207 int blocked = 0;
2209 pid_t pindex = 0;
2210 int nprocs;
2212 procstat_t *ps;
2213 procstat_entry_t pse;
2215 ps_list_reset ();
2216 while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
2217 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
2218 &pindex, MAXPROCENTRY)) > 0)
2219 {
2220 int i;
2222 for (i = 0; i < nprocs; i++)
2223 {
2224 tid64_t thindex;
2225 int nthreads;
2226 char arglist[MAXARGLN+1];
2227 char *cargs;
2228 char *cmdline;
2230 if (procentry[i].pi_state == SNONE) continue;
2231 /* if (procentry[i].pi_state == SZOMB) FIXME */
2233 cmdline = procentry[i].pi_comm;
2234 cargs = procentry[i].pi_comm;
2235 if ( procentry[i].pi_flags & SKPROC )
2236 {
2237 if (procentry[i].pi_pid == 0)
2238 cmdline = "swapper";
2239 cargs = cmdline;
2240 }
2241 else
2242 {
2243 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
2244 {
2245 int n;
2247 n = -1;
2248 while (++n < MAXARGLN)
2249 {
2250 if (arglist[n] == '\0')
2251 {
2252 if (arglist[n+1] == '\0')
2253 break;
2254 arglist[n] = ' ';
2255 }
2256 }
2257 cargs = arglist;
2258 }
2259 }
2261 pse.id = procentry[i].pi_pid;
2262 pse.age = 0;
2263 pse.num_lwp = procentry[i].pi_thcount;
2264 pse.num_proc = 1;
2266 thindex=0;
2267 while ((nthreads = getthrds64(procentry[i].pi_pid,
2268 thrdentry, sizeof(struct thrdentry64),
2269 &thindex, MAXTHRDENTRY)) > 0)
2270 {
2271 int j;
2273 for (j=0; j< nthreads; j++)
2274 {
2275 switch (thrdentry[j].ti_state)
2276 {
2277 /* case TSNONE: break; */
2278 case TSIDL: blocked++; break; /* FIXME is really blocked */
2279 case TSRUN: running++; break;
2280 case TSSLEEP: sleeping++; break;
2281 case TSSWAP: paging++; break;
2282 case TSSTOP: stopped++; break;
2283 case TSZOMB: zombies++; break;
2284 }
2285 }
2286 if (nthreads < MAXTHRDENTRY)
2287 break;
2288 }
2290 pse.cpu_user = 0;
2291 /* tv_usec is nanosec ??? */
2292 pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2293 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2295 pse.cpu_system = 0;
2296 /* tv_usec is nanosec ??? */
2297 pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2298 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2300 pse.vmem_minflt = 0;
2301 pse.vmem_minflt_counter = procentry[i].pi_minflt;
2302 pse.vmem_majflt = 0;
2303 pse.vmem_majflt_counter = procentry[i].pi_majflt;
2305 pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2306 pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2307 /* Not supported */
2308 pse.vmem_data = 0;
2309 pse.vmem_code = 0;
2310 pse.stack_size = 0;
2312 pse.io_rchar = -1;
2313 pse.io_wchar = -1;
2314 pse.io_syscr = -1;
2315 pse.io_syscw = -1;
2317 pse.cswitch_vol = -1;
2318 pse.cswitch_invol = -1;
2320 ps_list_add (cmdline, cargs, &pse);
2321 } /* for (i = 0 .. nprocs) */
2323 if (nprocs < MAXPROCENTRY)
2324 break;
2325 } /* while (getprocs64() > 0) */
2326 ps_submit_state ("running", running);
2327 ps_submit_state ("sleeping", sleeping);
2328 ps_submit_state ("zombies", zombies);
2329 ps_submit_state ("stopped", stopped);
2330 ps_submit_state ("paging", paging);
2331 ps_submit_state ("blocked", blocked);
2333 for (ps = list_head_g; ps != NULL; ps = ps->next)
2334 ps_submit_proc_list (ps);
2335 /* #endif HAVE_PROCINFO_H */
2337 #elif KERNEL_SOLARIS
2338 /*
2339 * The Solaris section adds a few more process states and removes some
2340 * process states compared to linux. Most notably there is no "PAGING"
2341 * and "BLOCKED" state for a process. The rest is similar to the linux
2342 * code.
2343 */
2344 int running = 0;
2345 int sleeping = 0;
2346 int zombies = 0;
2347 int stopped = 0;
2348 int detached = 0;
2349 int daemon = 0;
2350 int system = 0;
2351 int orphan = 0;
2353 struct dirent *ent;
2354 DIR *proc;
2356 int status;
2357 procstat_t *ps_ptr;
2358 char state;
2360 char cmdline[PRARGSZ];
2362 ps_list_reset ();
2364 proc = opendir ("/proc");
2365 if (proc == NULL)
2366 return (-1);
2368 while ((ent = readdir(proc)) != NULL)
2369 {
2370 long pid;
2371 struct procstat ps;
2372 procstat_entry_t pse;
2373 char *endptr;
2375 if (!isdigit ((int) ent->d_name[0]))
2376 continue;
2378 pid = strtol (ent->d_name, &endptr, 10);
2379 if (*endptr != 0) /* value didn't completely parse as a number */
2380 continue;
2382 status = ps_read_process (pid, &ps, &state);
2383 if (status != 0)
2384 {
2385 DEBUG("ps_read_process failed: %i", status);
2386 continue;
2387 }
2389 memset (&pse, 0, sizeof (pse));
2390 pse.id = pid;
2391 pse.age = 0;
2393 pse.num_proc = ps.num_proc;
2394 pse.num_lwp = ps.num_lwp;
2395 pse.vmem_size = ps.vmem_size;
2396 pse.vmem_rss = ps.vmem_rss;
2397 pse.vmem_data = ps.vmem_data;
2398 pse.vmem_code = ps.vmem_code;
2399 pse.stack_size = ps.stack_size;
2401 pse.vmem_minflt = 0;
2402 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2403 pse.vmem_majflt = 0;
2404 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2406 pse.cpu_user = 0;
2407 pse.cpu_user_counter = ps.cpu_user_counter;
2408 pse.cpu_system = 0;
2409 pse.cpu_system_counter = ps.cpu_system_counter;
2411 pse.io_rchar = ps.io_rchar;
2412 pse.io_wchar = ps.io_wchar;
2413 pse.io_syscr = ps.io_syscr;
2414 pse.io_syscw = ps.io_syscw;
2416 pse.cswitch_vol = -1;
2417 pse.cswitch_invol = -1;
2419 switch (state)
2420 {
2421 case 'R': running++; break;
2422 case 'S': sleeping++; break;
2423 case 'E': detached++; break;
2424 case 'Z': zombies++; break;
2425 case 'T': stopped++; break;
2426 case 'A': daemon++; break;
2427 case 'Y': system++; break;
2428 case 'O': orphan++; break;
2429 }
2432 ps_list_add (ps.name,
2433 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
2434 &pse);
2435 } /* while(readdir) */
2436 closedir (proc);
2438 ps_submit_state ("running", running);
2439 ps_submit_state ("sleeping", sleeping);
2440 ps_submit_state ("zombies", zombies);
2441 ps_submit_state ("stopped", stopped);
2442 ps_submit_state ("detached", detached);
2443 ps_submit_state ("daemon", daemon);
2444 ps_submit_state ("system", system);
2445 ps_submit_state ("orphan", orphan);
2447 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2448 ps_submit_proc_list (ps_ptr);
2450 read_fork_rate();
2451 #endif /* KERNEL_SOLARIS */
2453 return (0);
2454 } /* int ps_read */
2456 void module_register (void)
2457 {
2458 plugin_register_complex_config ("processes", ps_config);
2459 plugin_register_init ("processes", ps_init);
2460 plugin_register_read ("processes", ps_read);
2461 } /* void module_register */