c1f92a7dc1e8c0bfe1742cc38c9d6fc3b267f5cd
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 ps_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 return;
292 }
293 }
294 #else
295 if (regexp != NULL)
296 {
297 ERROR ("processes plugin: ps_list_register: "
298 "Regular expression \"%s\" found in config "
299 "file, but support for regular expressions "
300 "has been disabled at compile time.",
301 regexp);
302 sfree (new);
303 return;
304 }
305 #endif
307 for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
308 {
309 if (strcmp (ptr->name, name) == 0)
310 {
311 WARNING ("processes plugin: You have configured more "
312 "than one `Process' or "
313 "`ProcessMatch' with the same name. "
314 "All but the first setting will be "
315 "ignored.");
316 sfree (new->re);
317 sfree (new);
318 return;
319 }
321 if (ptr->next == NULL)
322 break;
323 }
325 if (ptr == NULL)
326 list_head_g = new;
327 else
328 ptr->next = new;
329 } /* void ps_list_register */
331 /* try to match name against entry, returns 1 if success */
332 static int ps_list_match (const char *name, const char *cmdline, procstat_t *ps)
333 {
334 #if HAVE_REGEX_H
335 if (ps->re != NULL)
336 {
337 int status;
338 const char *str;
340 str = cmdline;
341 if ((str == NULL) || (str[0] == 0))
342 str = name;
344 assert (str != NULL);
346 status = regexec (ps->re, str,
347 /* nmatch = */ 0,
348 /* pmatch = */ NULL,
349 /* eflags = */ 0);
350 if (status == 0)
351 return (1);
352 }
353 else
354 #endif
355 if (strcmp (ps->name, name) == 0)
356 return (1);
358 return (0);
359 } /* int ps_list_match */
361 /* add process entry to 'instances' of process 'name' (or refresh it) */
362 static void ps_list_add (const char *name, const char *cmdline, procstat_entry_t *entry)
363 {
364 procstat_t *ps;
365 procstat_entry_t *pse;
367 if (entry->id == 0)
368 return;
370 for (ps = list_head_g; ps != NULL; ps = ps->next)
371 {
372 if ((ps_list_match (name, cmdline, ps)) == 0)
373 continue;
375 for (pse = ps->instances; pse != NULL; pse = pse->next)
376 if ((pse->id == entry->id) || (pse->next == NULL))
377 break;
379 if ((pse == NULL) || (pse->id != entry->id))
380 {
381 procstat_entry_t *new;
383 new = (procstat_entry_t *) malloc (sizeof (procstat_entry_t));
384 if (new == NULL)
385 return;
386 memset (new, 0, sizeof (procstat_entry_t));
387 new->id = entry->id;
389 if (pse == NULL)
390 ps->instances = new;
391 else
392 pse->next = new;
394 pse = new;
395 }
397 pse->age = 0;
398 pse->num_proc = entry->num_proc;
399 pse->num_lwp = entry->num_lwp;
400 pse->vmem_size = entry->vmem_size;
401 pse->vmem_rss = entry->vmem_rss;
402 pse->vmem_data = entry->vmem_data;
403 pse->vmem_code = entry->vmem_code;
404 pse->stack_size = entry->stack_size;
405 pse->io_rchar = entry->io_rchar;
406 pse->io_wchar = entry->io_wchar;
407 pse->io_syscr = entry->io_syscr;
408 pse->io_syscw = entry->io_syscw;
409 pse->cswitch_vol = entry->cswitch_vol;
410 pse->cswitch_invol = entry->cswitch_invol;
412 ps->num_proc += pse->num_proc;
413 ps->num_lwp += pse->num_lwp;
414 ps->vmem_size += pse->vmem_size;
415 ps->vmem_rss += pse->vmem_rss;
416 ps->vmem_data += pse->vmem_data;
417 ps->vmem_code += pse->vmem_code;
418 ps->stack_size += pse->stack_size;
420 ps->io_rchar += ((pse->io_rchar == -1)?0:pse->io_rchar);
421 ps->io_wchar += ((pse->io_wchar == -1)?0:pse->io_wchar);
422 ps->io_syscr += ((pse->io_syscr == -1)?0:pse->io_syscr);
423 ps->io_syscw += ((pse->io_syscw == -1)?0:pse->io_syscw);
425 ps->cswitch_vol += ((pse->cswitch_vol == -1)?0:pse->cswitch_vol);
426 ps->cswitch_invol += ((pse->cswitch_invol == -1)?0:pse->cswitch_invol);
428 if ((entry->vmem_minflt_counter == 0)
429 && (entry->vmem_majflt_counter == 0))
430 {
431 pse->vmem_minflt_counter += entry->vmem_minflt;
432 pse->vmem_minflt = entry->vmem_minflt;
434 pse->vmem_majflt_counter += entry->vmem_majflt;
435 pse->vmem_majflt = entry->vmem_majflt;
436 }
437 else
438 {
439 if (entry->vmem_minflt_counter < pse->vmem_minflt_counter)
440 {
441 pse->vmem_minflt = entry->vmem_minflt_counter
442 + (ULONG_MAX - pse->vmem_minflt_counter);
443 }
444 else
445 {
446 pse->vmem_minflt = entry->vmem_minflt_counter - pse->vmem_minflt_counter;
447 }
448 pse->vmem_minflt_counter = entry->vmem_minflt_counter;
450 if (entry->vmem_majflt_counter < pse->vmem_majflt_counter)
451 {
452 pse->vmem_majflt = entry->vmem_majflt_counter
453 + (ULONG_MAX - pse->vmem_majflt_counter);
454 }
455 else
456 {
457 pse->vmem_majflt = entry->vmem_majflt_counter - pse->vmem_majflt_counter;
458 }
459 pse->vmem_majflt_counter = entry->vmem_majflt_counter;
460 }
462 ps->vmem_minflt_counter += pse->vmem_minflt;
463 ps->vmem_majflt_counter += pse->vmem_majflt;
465 if ((entry->cpu_user_counter == 0)
466 && (entry->cpu_system_counter == 0))
467 {
468 pse->cpu_user_counter += entry->cpu_user;
469 pse->cpu_user = entry->cpu_user;
471 pse->cpu_system_counter += entry->cpu_system;
472 pse->cpu_system = entry->cpu_system;
473 }
474 else
475 {
476 if (entry->cpu_user_counter < pse->cpu_user_counter)
477 {
478 pse->cpu_user = entry->cpu_user_counter
479 + (ULONG_MAX - pse->cpu_user_counter);
480 }
481 else
482 {
483 pse->cpu_user = entry->cpu_user_counter - pse->cpu_user_counter;
484 }
485 pse->cpu_user_counter = entry->cpu_user_counter;
487 if (entry->cpu_system_counter < pse->cpu_system_counter)
488 {
489 pse->cpu_system = entry->cpu_system_counter
490 + (ULONG_MAX - pse->cpu_system_counter);
491 }
492 else
493 {
494 pse->cpu_system = entry->cpu_system_counter - pse->cpu_system_counter;
495 }
496 pse->cpu_system_counter = entry->cpu_system_counter;
497 }
499 ps->cpu_user_counter += pse->cpu_user;
500 ps->cpu_system_counter += pse->cpu_system;
502 }
503 }
505 /* remove old entries from instances of processes in list_head_g */
506 static void ps_list_reset (void)
507 {
508 procstat_t *ps;
509 procstat_entry_t *pse;
510 procstat_entry_t *pse_prev;
512 for (ps = list_head_g; ps != NULL; ps = ps->next)
513 {
514 ps->num_proc = 0;
515 ps->num_lwp = 0;
516 ps->vmem_size = 0;
517 ps->vmem_rss = 0;
518 ps->vmem_data = 0;
519 ps->vmem_code = 0;
520 ps->stack_size = 0;
521 ps->io_rchar = -1;
522 ps->io_wchar = -1;
523 ps->io_syscr = -1;
524 ps->io_syscw = -1;
525 ps->cswitch_vol = -1;
526 ps->cswitch_invol = -1;
528 pse_prev = NULL;
529 pse = ps->instances;
530 while (pse != NULL)
531 {
532 if (pse->age > 10)
533 {
534 DEBUG ("Removing this procstat entry cause it's too old: "
535 "id = %lu; name = %s;",
536 pse->id, ps->name);
538 if (pse_prev == NULL)
539 {
540 ps->instances = pse->next;
541 free (pse);
542 pse = ps->instances;
543 }
544 else
545 {
546 pse_prev->next = pse->next;
547 free (pse);
548 pse = pse_prev->next;
549 }
550 }
551 else
552 {
553 pse->age++;
554 pse_prev = pse;
555 pse = pse->next;
556 }
557 } /* while (pse != NULL) */
558 } /* for (ps = list_head_g; ps != NULL; ps = ps->next) */
559 }
561 /* put all pre-defined 'Process' names from config to list_head_g tree */
562 static int ps_config (oconfig_item_t *ci)
563 {
564 int i;
566 for (i = 0; i < ci->children_num; ++i) {
567 oconfig_item_t *c = ci->children + i;
569 if (strcasecmp (c->key, "Process") == 0)
570 {
571 if ((c->values_num != 1)
572 || (OCONFIG_TYPE_STRING != c->values[0].type)) {
573 ERROR ("processes plugin: `Process' expects exactly "
574 "one string argument (got %i).",
575 c->values_num);
576 continue;
577 }
579 if (c->children_num != 0) {
580 WARNING ("processes plugin: the `Process' config option "
581 "does not expect any child elements -- ignoring "
582 "content (%i elements) of the <Process '%s'> block.",
583 c->children_num, c->values[0].value.string);
584 }
586 ps_list_register (c->values[0].value.string, NULL);
587 }
588 else if (strcasecmp (c->key, "ProcessMatch") == 0)
589 {
590 if ((c->values_num != 2)
591 || (OCONFIG_TYPE_STRING != c->values[0].type)
592 || (OCONFIG_TYPE_STRING != c->values[1].type))
593 {
594 ERROR ("processes plugin: `ProcessMatch' needs exactly "
595 "two string arguments (got %i).",
596 c->values_num);
597 continue;
598 }
600 if (c->children_num != 0) {
601 WARNING ("processes plugin: the `ProcessMatch' config option "
602 "does not expect any child elements -- ignoring "
603 "content (%i elements) of the <ProcessMatch '%s' '%s'> "
604 "block.", c->children_num, c->values[0].value.string,
605 c->values[1].value.string);
606 }
608 ps_list_register (c->values[0].value.string,
609 c->values[1].value.string);
610 }
611 else if (strcasecmp (c->key, "CollectContextSwitch") == 0)
612 {
613 if ((c->values_num != 1)
614 || (c->values[0].type != OCONFIG_TYPE_BOOLEAN))
615 {
616 ERROR ("processes plugin: `CollectContextSwitch' needs exactly "
617 "one boolean argument.");
618 continue;
619 }
620 ps_ctx_switch = c->values[0].value.boolean ? 1 : 0;
621 }
622 else
623 {
624 ERROR ("processes plugin: The `%s' configuration option is not "
625 "understood and will be ignored.", c->key);
626 continue;
627 }
628 }
630 return (0);
631 }
633 static int ps_init (void)
634 {
635 #if HAVE_THREAD_INFO
636 kern_return_t status;
638 port_host_self = mach_host_self ();
639 port_task_self = mach_task_self ();
641 if (pset_list != NULL)
642 {
643 vm_deallocate (port_task_self,
644 (vm_address_t) pset_list,
645 pset_list_len * sizeof (processor_set_t));
646 pset_list = NULL;
647 pset_list_len = 0;
648 }
650 if ((status = host_processor_sets (port_host_self,
651 &pset_list,
652 &pset_list_len)) != KERN_SUCCESS)
653 {
654 ERROR ("host_processor_sets failed: %s\n",
655 mach_error_string (status));
656 pset_list = NULL;
657 pset_list_len = 0;
658 return (-1);
659 }
660 /* #endif HAVE_THREAD_INFO */
662 #elif KERNEL_LINUX
663 pagesize_g = sysconf(_SC_PAGESIZE);
664 DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
665 pagesize_g, CONFIG_HZ);
666 /* #endif KERNEL_LINUX */
668 #elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
669 pagesize = getpagesize();
670 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
672 #elif HAVE_PROCINFO_H
673 pagesize = getpagesize();
674 #endif /* HAVE_PROCINFO_H */
676 return (0);
677 } /* int ps_init */
679 /* submit global state (e.g.: qty of zombies, running, etc..) */
680 static void ps_submit_state (const char *state, double value)
681 {
682 value_t values[1];
683 value_list_t vl = VALUE_LIST_INIT;
685 values[0].gauge = value;
687 vl.values = values;
688 vl.values_len = 1;
689 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
690 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
691 sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
692 sstrncpy (vl.type, "ps_state", sizeof (vl.type));
693 sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
695 plugin_dispatch_values (&vl);
696 }
698 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
699 static void ps_submit_proc_list (procstat_t *ps)
700 {
701 value_t values[2];
702 value_list_t vl = VALUE_LIST_INIT;
704 vl.values = values;
705 vl.values_len = 2;
706 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
707 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
708 sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
710 sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
711 vl.values[0].gauge = ps->vmem_size;
712 vl.values_len = 1;
713 plugin_dispatch_values (&vl);
715 sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
716 vl.values[0].gauge = ps->vmem_rss;
717 vl.values_len = 1;
718 plugin_dispatch_values (&vl);
720 sstrncpy (vl.type, "ps_data", sizeof (vl.type));
721 vl.values[0].gauge = ps->vmem_data;
722 vl.values_len = 1;
723 plugin_dispatch_values (&vl);
725 sstrncpy (vl.type, "ps_code", sizeof (vl.type));
726 vl.values[0].gauge = ps->vmem_code;
727 vl.values_len = 1;
728 plugin_dispatch_values (&vl);
730 sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
731 vl.values[0].gauge = ps->stack_size;
732 vl.values_len = 1;
733 plugin_dispatch_values (&vl);
735 sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
736 vl.values[0].derive = ps->cpu_user_counter;
737 vl.values[1].derive = ps->cpu_system_counter;
738 vl.values_len = 2;
739 plugin_dispatch_values (&vl);
741 sstrncpy (vl.type, "ps_count", sizeof (vl.type));
742 vl.values[0].gauge = ps->num_proc;
743 vl.values[1].gauge = ps->num_lwp;
744 vl.values_len = 2;
745 plugin_dispatch_values (&vl);
747 sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
748 vl.values[0].derive = ps->vmem_minflt_counter;
749 vl.values[1].derive = ps->vmem_majflt_counter;
750 vl.values_len = 2;
751 plugin_dispatch_values (&vl);
753 if ( (ps->io_rchar != -1) && (ps->io_wchar != -1) )
754 {
755 sstrncpy (vl.type, "ps_disk_octets", sizeof (vl.type));
756 vl.values[0].derive = ps->io_rchar;
757 vl.values[1].derive = ps->io_wchar;
758 vl.values_len = 2;
759 plugin_dispatch_values (&vl);
760 }
762 if ( (ps->io_syscr != -1) && (ps->io_syscw != -1) )
763 {
764 sstrncpy (vl.type, "ps_disk_ops", sizeof (vl.type));
765 vl.values[0].derive = ps->io_syscr;
766 vl.values[1].derive = ps->io_syscw;
767 vl.values_len = 2;
768 plugin_dispatch_values (&vl);
769 }
771 if ( ps_ctx_switch )
772 {
773 sstrncpy (vl.type, "ps_cswitch_vol", sizeof (vl.type));
774 vl.values[0].derive = ps->cswitch_vol;
775 vl.values_len = 1;
776 plugin_dispatch_values (&vl);
778 sstrncpy (vl.type, "ps_cswitch_invol", sizeof (vl.type));
779 vl.values[0].derive = ps->cswitch_invol;
780 vl.values_len = 1;
781 plugin_dispatch_values (&vl);
782 }
784 DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
785 "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
786 "vmem_code = %lu; "
787 "vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
788 "cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
789 "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
790 "io_syscr = %"PRIi64"; io_syscw = %"PRIi64"; "
791 "cswitch_vol = %"PRIi64"; cswitch_invol = %"PRIi64";",
792 ps->name, ps->num_proc, ps->num_lwp,
793 ps->vmem_size, ps->vmem_rss,
794 ps->vmem_data, ps->vmem_code,
795 ps->vmem_minflt_counter, ps->vmem_majflt_counter,
796 ps->cpu_user_counter, ps->cpu_system_counter,
797 ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw,
798 ps->cswitch_vol, ps->cswitch_invol);
799 } /* void ps_submit_proc_list */
801 #if KERNEL_LINUX || KERNEL_SOLARIS
802 static void ps_submit_fork_rate (derive_t value)
803 {
804 value_t values[1];
805 value_list_t vl = VALUE_LIST_INIT;
807 values[0].derive = value;
809 vl.values = values;
810 vl.values_len = 1;
811 sstrncpy(vl.host, hostname_g, sizeof (vl.host));
812 sstrncpy(vl.plugin, "processes", sizeof (vl.plugin));
813 sstrncpy(vl.plugin_instance, "", sizeof (vl.plugin_instance));
814 sstrncpy(vl.type, "fork_rate", sizeof (vl.type));
815 sstrncpy(vl.type_instance, "", sizeof (vl.type_instance));
817 plugin_dispatch_values(&vl);
818 }
819 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
821 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
822 #if KERNEL_LINUX
823 static procstat_t *ps_read_tasks_status (int pid, procstat_t *ps)
824 {
825 char dirname[64];
826 DIR *dh;
827 char filename[64];
828 FILE *fh;
829 struct dirent *ent;
830 unsigned long long cswitch_vol = 0;
831 unsigned long long cswitch_invol = 0;
832 char buffer[1024];
833 char *fields[8];
834 int numfields;
836 ssnprintf (dirname, sizeof (dirname), "/proc/%i/task", pid);
838 if ((dh = opendir (dirname)) == NULL)
839 {
840 DEBUG ("Failed to open directory `%s'", dirname);
841 return (NULL);
842 }
844 while ((ent = readdir (dh)) != NULL)
845 {
846 char *tpid;
848 if (!isdigit ((int) ent->d_name[0]))
849 continue;
851 tpid = ent->d_name;
853 ssnprintf (filename, sizeof (filename), "/proc/%i/task/%s/status", pid, tpid);
854 if ((fh = fopen (filename, "r")) == NULL)
855 {
856 DEBUG ("Failed to open file `%s'", filename);
857 continue;
858 }
860 while (fgets (buffer, sizeof(buffer), fh) != NULL)
861 {
862 long long tmp;
863 char *endptr;
865 if (strncmp (buffer, "voluntary_ctxt_switches", 23) != 0
866 && strncmp (buffer, "nonvoluntary_ctxt_switches", 26) != 0)
867 continue;
869 numfields = strsplit (buffer, fields,
870 STATIC_ARRAY_SIZE (fields));
872 if (numfields < 2)
873 continue;
875 errno = 0;
876 endptr = NULL;
877 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
878 if ((errno == 0) && (endptr != fields[1]))
879 {
880 if (strncmp (buffer, "voluntary_ctxt_switches", 23) == 0)
881 {
882 cswitch_vol += tmp;
883 }
884 else if (strncmp (buffer, "nonvoluntary_ctxt_switches", 26) == 0)
885 {
886 cswitch_invol += tmp;
887 }
888 }
889 } /* while (fgets) */
891 if (fclose (fh))
892 {
893 char errbuf[1024];
894 WARNING ("processes: fclose: %s",
895 sstrerror (errno, errbuf, sizeof (errbuf)));
896 }
897 }
898 closedir (dh);
900 ps->cswitch_vol = cswitch_vol;
901 ps->cswitch_invol = cswitch_invol;
903 return (ps);
904 } /* int *ps_read_tasks_status */
906 static int ps_read_tasks (int pid)
907 {
908 char dirname[64];
909 DIR *dh;
910 struct dirent *ent;
911 int count = 0;
913 ssnprintf (dirname, sizeof (dirname), "/proc/%i/task", pid);
915 if ((dh = opendir (dirname)) == NULL)
916 {
917 DEBUG ("Failed to open directory `%s'", dirname);
918 return (-1);
919 }
921 while ((ent = readdir (dh)) != NULL)
922 {
923 if (!isdigit ((int) ent->d_name[0]))
924 continue;
925 else
926 count++;
927 }
928 closedir (dh);
930 return ((count >= 1) ? count : 1);
931 } /* int *ps_read_tasks */
933 /* Read advanced virtual memory data from /proc/pid/status */
934 static procstat_t *ps_read_vmem (int pid, procstat_t *ps)
935 {
936 FILE *fh;
937 char buffer[1024];
938 char filename[64];
939 unsigned long long lib = 0;
940 unsigned long long exe = 0;
941 unsigned long long data = 0;
942 char *fields[8];
943 int numfields;
945 ssnprintf (filename, sizeof (filename), "/proc/%i/status", pid);
946 if ((fh = fopen (filename, "r")) == NULL)
947 return (NULL);
949 while (fgets (buffer, sizeof(buffer), fh) != NULL)
950 {
951 long long tmp;
952 char *endptr;
954 if (strncmp (buffer, "Vm", 2) != 0)
955 continue;
957 numfields = strsplit (buffer, fields,
958 STATIC_ARRAY_SIZE (fields));
960 if (numfields < 2)
961 continue;
963 errno = 0;
964 endptr = NULL;
965 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
966 if ((errno == 0) && (endptr != fields[1]))
967 {
968 if (strncmp (buffer, "VmData", 6) == 0)
969 {
970 data = tmp;
971 }
972 else if (strncmp (buffer, "VmLib", 5) == 0)
973 {
974 lib = tmp;
975 }
976 else if (strncmp(buffer, "VmExe", 5) == 0)
977 {
978 exe = tmp;
979 }
980 }
981 } /* while (fgets) */
983 if (fclose (fh))
984 {
985 char errbuf[1024];
986 WARNING ("processes: fclose: %s",
987 sstrerror (errno, errbuf, sizeof (errbuf)));
988 }
990 ps->vmem_data = data * 1024;
991 ps->vmem_code = (exe + lib) * 1024;
993 return (ps);
994 } /* procstat_t *ps_read_vmem */
996 static procstat_t *ps_read_io (int pid, procstat_t *ps)
997 {
998 FILE *fh;
999 char buffer[1024];
1000 char filename[64];
1002 char *fields[8];
1003 int numfields;
1005 ssnprintf (filename, sizeof (filename), "/proc/%i/io", pid);
1006 if ((fh = fopen (filename, "r")) == NULL)
1007 return (NULL);
1009 while (fgets (buffer, sizeof (buffer), fh) != NULL)
1010 {
1011 derive_t *val = NULL;
1012 long long tmp;
1013 char *endptr;
1015 if (strncasecmp (buffer, "rchar:", 6) == 0)
1016 val = &(ps->io_rchar);
1017 else if (strncasecmp (buffer, "wchar:", 6) == 0)
1018 val = &(ps->io_wchar);
1019 else if (strncasecmp (buffer, "syscr:", 6) == 0)
1020 val = &(ps->io_syscr);
1021 else if (strncasecmp (buffer, "syscw:", 6) == 0)
1022 val = &(ps->io_syscw);
1023 else
1024 continue;
1026 numfields = strsplit (buffer, fields,
1027 STATIC_ARRAY_SIZE (fields));
1029 if (numfields < 2)
1030 continue;
1032 errno = 0;
1033 endptr = NULL;
1034 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
1035 if ((errno != 0) || (endptr == fields[1]))
1036 *val = -1;
1037 else
1038 *val = (derive_t) tmp;
1039 } /* while (fgets) */
1041 if (fclose (fh))
1042 {
1043 char errbuf[1024];
1044 WARNING ("processes: fclose: %s",
1045 sstrerror (errno, errbuf, sizeof (errbuf)));
1046 }
1048 return (ps);
1049 } /* procstat_t *ps_read_io */
1051 int ps_read_process (int pid, procstat_t *ps, char *state)
1052 {
1053 char filename[64];
1054 char buffer[1024];
1056 char *fields[64];
1057 char fields_len;
1059 int buffer_len;
1061 char *buffer_ptr;
1062 size_t name_start_pos;
1063 size_t name_end_pos;
1064 size_t name_len;
1066 derive_t cpu_user_counter;
1067 derive_t cpu_system_counter;
1068 long long unsigned vmem_size;
1069 long long unsigned vmem_rss;
1070 long long unsigned stack_size;
1072 memset (ps, 0, sizeof (procstat_t));
1074 ssnprintf (filename, sizeof (filename), "/proc/%i/stat", pid);
1076 buffer_len = read_file_contents (filename,
1077 buffer, sizeof(buffer) - 1);
1078 if (buffer_len <= 0)
1079 return (-1);
1080 buffer[buffer_len] = 0;
1082 /* The name of the process is enclosed in parens. Since the name can
1083 * contain parens itself, spaces, numbers and pretty much everything
1084 * else, use these to determine the process name. We don't use
1085 * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
1086 * otherwise be required to determine name_len. */
1087 name_start_pos = 0;
1088 while ((buffer[name_start_pos] != '(')
1089 && (name_start_pos < buffer_len))
1090 name_start_pos++;
1092 name_end_pos = buffer_len;
1093 while ((buffer[name_end_pos] != ')')
1094 && (name_end_pos > 0))
1095 name_end_pos--;
1097 /* Either '(' or ')' is not found or they are in the wrong order.
1098 * Anyway, something weird that shouldn't happen ever. */
1099 if (name_start_pos >= name_end_pos)
1100 {
1101 ERROR ("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
1102 name_start_pos, name_end_pos);
1103 return (-1);
1104 }
1106 name_len = (name_end_pos - name_start_pos) - 1;
1107 if (name_len >= sizeof (ps->name))
1108 name_len = sizeof (ps->name) - 1;
1110 sstrncpy (ps->name, &buffer[name_start_pos + 1], name_len + 1);
1112 if ((buffer_len - name_end_pos) < 2)
1113 return (-1);
1114 buffer_ptr = &buffer[name_end_pos + 2];
1116 fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
1117 if (fields_len < 22)
1118 {
1119 DEBUG ("processes plugin: ps_read_process (pid = %i):"
1120 " `%s' has only %i fields..",
1121 (int) pid, filename, fields_len);
1122 return (-1);
1123 }
1125 *state = fields[0][0];
1127 if (*state == 'Z')
1128 {
1129 ps->num_lwp = 0;
1130 ps->num_proc = 0;
1131 }
1132 else
1133 {
1134 if ( (ps->num_lwp = ps_read_tasks (pid)) == -1 )
1135 {
1136 /* returns -1 => kernel 2.4 */
1137 ps->num_lwp = 1;
1138 }
1139 ps->num_proc = 1;
1140 }
1142 /* Leave the rest at zero if this is only a zombi */
1143 if (ps->num_proc == 0)
1144 {
1145 DEBUG ("processes plugin: This is only a zombi: pid = %i; "
1146 "name = %s;", pid, ps->name);
1147 return (0);
1148 }
1150 cpu_user_counter = atoll (fields[11]);
1151 cpu_system_counter = atoll (fields[12]);
1152 vmem_size = atoll (fields[20]);
1153 vmem_rss = atoll (fields[21]);
1154 ps->vmem_minflt_counter = atol (fields[7]);
1155 ps->vmem_majflt_counter = atol (fields[9]);
1157 {
1158 unsigned long long stack_start = atoll (fields[25]);
1159 unsigned long long stack_ptr = atoll (fields[26]);
1161 stack_size = (stack_start > stack_ptr)
1162 ? stack_start - stack_ptr
1163 : stack_ptr - stack_start;
1164 }
1166 /* Convert jiffies to useconds */
1167 cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
1168 cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1169 vmem_rss = vmem_rss * pagesize_g;
1171 if ( (ps_read_vmem(pid, ps)) == NULL)
1172 {
1173 /* No VMem data */
1174 ps->vmem_data = -1;
1175 ps->vmem_code = -1;
1176 DEBUG("ps_read_process: did not get vmem data for pid %i",pid);
1177 }
1179 ps->cpu_user_counter = cpu_user_counter;
1180 ps->cpu_system_counter = cpu_system_counter;
1181 ps->vmem_size = (unsigned long) vmem_size;
1182 ps->vmem_rss = (unsigned long) vmem_rss;
1183 ps->stack_size = (unsigned long) stack_size;
1185 if ( (ps_read_io (pid, ps)) == NULL)
1186 {
1187 /* no io data */
1188 ps->io_rchar = -1;
1189 ps->io_wchar = -1;
1190 ps->io_syscr = -1;
1191 ps->io_syscw = -1;
1193 DEBUG("ps_read_process: not get io data for pid %i",pid);
1194 }
1196 if ( ps_ctx_switch )
1197 {
1198 if ( (ps_read_tasks_status(pid, ps)) == NULL)
1199 {
1200 ps->cswitch_vol = -1;
1201 ps->cswitch_invol = -1;
1203 DEBUG("ps_read_tasks_status: not get context "
1204 "switch data for pid %i",pid);
1205 }
1206 }
1208 /* success */
1209 return (0);
1210 } /* int ps_read_process (...) */
1212 static char *ps_get_cmdline (pid_t pid, char *name, char *buf, size_t buf_len)
1213 {
1214 char *buf_ptr;
1215 size_t len;
1217 char file[PATH_MAX];
1218 int fd;
1220 size_t n;
1222 if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1223 return NULL;
1225 ssnprintf (file, sizeof (file), "/proc/%u/cmdline",
1226 (unsigned int) pid);
1228 errno = 0;
1229 fd = open (file, O_RDONLY);
1230 if (fd < 0) {
1231 char errbuf[4096];
1232 /* ENOENT means the process exited while we were handling it.
1233 * Don't complain about this, it only fills the logs. */
1234 if (errno != ENOENT)
1235 WARNING ("processes plugin: Failed to open `%s': %s.", file,
1236 sstrerror (errno, errbuf, sizeof (errbuf)));
1237 return NULL;
1238 }
1240 buf_ptr = buf;
1241 len = buf_len;
1243 n = 0;
1245 while (42) {
1246 ssize_t status;
1248 status = read (fd, (void *)buf_ptr, len);
1250 if (status < 0) {
1251 char errbuf[1024];
1253 if ((EAGAIN == errno) || (EINTR == errno))
1254 continue;
1256 WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1257 sstrerror (errno, errbuf, sizeof (errbuf)));
1258 close (fd);
1259 return NULL;
1260 }
1262 n += status;
1264 if (status == 0)
1265 break;
1267 buf_ptr += status;
1268 len -= status;
1270 if (len <= 0)
1271 break;
1272 }
1274 close (fd);
1276 if (0 == n) {
1277 /* cmdline not available; e.g. kernel thread, zombie */
1278 if (NULL == name)
1279 return NULL;
1281 ssnprintf (buf, buf_len, "[%s]", name);
1282 return buf;
1283 }
1285 assert (n <= buf_len);
1287 if (n == buf_len)
1288 --n;
1289 buf[n] = '\0';
1291 --n;
1292 /* remove trailing whitespace */
1293 while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1294 buf[n] = '\0';
1295 --n;
1296 }
1298 /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1299 while (n > 0) {
1300 if ('\0' == buf[n])
1301 buf[n] = ' ';
1302 --n;
1303 }
1304 return buf;
1305 } /* char *ps_get_cmdline (...) */
1307 static int read_fork_rate ()
1308 {
1309 FILE *proc_stat;
1310 char buffer[1024];
1311 value_t value;
1312 _Bool value_valid = 0;
1314 proc_stat = fopen ("/proc/stat", "r");
1315 if (proc_stat == NULL)
1316 {
1317 char errbuf[1024];
1318 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1319 sstrerror (errno, errbuf, sizeof (errbuf)));
1320 return (-1);
1321 }
1323 while (fgets (buffer, sizeof (buffer), proc_stat) != NULL)
1324 {
1325 int status;
1326 char *fields[3];
1327 int fields_num;
1329 fields_num = strsplit (buffer, fields,
1330 STATIC_ARRAY_SIZE (fields));
1331 if (fields_num != 2)
1332 continue;
1334 if (strcmp ("processes", fields[0]) != 0)
1335 continue;
1337 status = parse_value (fields[1], &value, DS_TYPE_DERIVE);
1338 if (status == 0)
1339 value_valid = 1;
1341 break;
1342 }
1343 fclose(proc_stat);
1345 if (!value_valid)
1346 return (-1);
1348 ps_submit_fork_rate (value.derive);
1349 return (0);
1350 }
1351 #endif /*KERNEL_LINUX */
1353 #if KERNEL_SOLARIS
1354 static const char *ps_get_cmdline (long pid, /* {{{ */
1355 char *buffer, size_t buffer_size)
1356 {
1357 char path[PATH_MAX];
1358 psinfo_t info;
1359 int status;
1361 snprintf(path, sizeof (path), "/proc/%li/psinfo", pid);
1363 status = read_file_contents (path, (void *) &info, sizeof (info));
1364 if (status != sizeof (info))
1365 {
1366 ERROR ("processes plugin: Unexpected return value "
1367 "while reading \"%s\": "
1368 "Returned %i but expected %zu.",
1369 path, status, buffer_size);
1370 return (NULL);
1371 }
1373 info.pr_psargs[sizeof (info.pr_psargs) - 1] = 0;
1374 sstrncpy (buffer, info.pr_psargs, buffer_size);
1376 return (buffer);
1377 } /* }}} int ps_get_cmdline */
1379 /*
1380 * Reads process information on the Solaris OS. The information comes mainly from
1381 * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1382 * The values for input and ouput chars are calculated "by hand"
1383 * Added a few "solaris" specific process states as well
1384 */
1385 static int ps_read_process(long pid, procstat_t *ps, char *state)
1386 {
1387 char filename[64];
1388 char f_psinfo[64], f_usage[64];
1389 char *buffer;
1391 pstatus_t *myStatus;
1392 psinfo_t *myInfo;
1393 prusage_t *myUsage;
1395 snprintf(filename, sizeof (filename), "/proc/%li/status", pid);
1396 snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%li/psinfo", pid);
1397 snprintf(f_usage, sizeof (f_usage), "/proc/%li/usage", pid);
1400 buffer = malloc(sizeof (pstatus_t));
1401 memset(buffer, 0, sizeof (pstatus_t));
1402 read_file_contents(filename, buffer, sizeof (pstatus_t));
1403 myStatus = (pstatus_t *) buffer;
1405 buffer = malloc(sizeof (psinfo_t));
1406 memset(buffer, 0, sizeof(psinfo_t));
1407 read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1408 myInfo = (psinfo_t *) buffer;
1410 buffer = malloc(sizeof (prusage_t));
1411 memset(buffer, 0, sizeof(prusage_t));
1412 read_file_contents(f_usage, buffer, sizeof (prusage_t));
1413 myUsage = (prusage_t *) buffer;
1415 sstrncpy(ps->name, myInfo->pr_fname, sizeof (myInfo->pr_fname));
1416 ps->num_lwp = myStatus->pr_nlwp;
1417 if (myInfo->pr_wstat != 0) {
1418 ps->num_proc = 0;
1419 ps->num_lwp = 0;
1420 *state = (char) 'Z';
1421 return (0);
1422 } else {
1423 ps->num_proc = 1;
1424 ps->num_lwp = myInfo->pr_nlwp;
1425 }
1427 /*
1428 * Convert system time and user time from nanoseconds to microseconds
1429 * for compatibility with the linux module
1430 */
1431 ps->cpu_system_counter = myStatus -> pr_stime.tv_nsec / 1000;
1432 ps->cpu_user_counter = myStatus -> pr_utime.tv_nsec / 1000;
1434 /*
1435 * Convert rssize from KB to bytes to be consistent w/ the linux module
1436 */
1437 ps->vmem_rss = myInfo->pr_rssize * 1024;
1438 ps->vmem_size = myInfo->pr_size * 1024;
1439 ps->vmem_minflt_counter = myUsage->pr_minf;
1440 ps->vmem_majflt_counter = myUsage->pr_majf;
1442 /*
1443 * TODO: Data and code segment calculations for Solaris
1444 */
1446 ps->vmem_data = -1;
1447 ps->vmem_code = -1;
1448 ps->stack_size = myStatus->pr_stksize;
1450 /*
1451 * Calculating input/ouput chars
1452 * Formula used is total chars / total blocks => chars/block
1453 * then convert input/output blocks to chars
1454 */
1455 ulong_t tot_chars = myUsage->pr_ioch;
1456 ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1457 ulong_t chars_per_block = 1;
1458 if (tot_blocks != 0)
1459 chars_per_block = tot_chars / tot_blocks;
1460 ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1461 ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1462 ps->io_syscr = myUsage->pr_sysc;
1463 ps->io_syscw = myUsage->pr_sysc;
1466 /*
1467 * TODO: Find way of setting BLOCKED and PAGING status
1468 */
1470 *state = (char) 'R';
1471 if (myStatus->pr_flags & PR_ASLEEP)
1472 *state = (char) 'S';
1473 else if (myStatus->pr_flags & PR_STOPPED)
1474 *state = (char) 'T';
1475 else if (myStatus->pr_flags & PR_DETACH)
1476 *state = (char) 'E';
1477 else if (myStatus->pr_flags & PR_DAEMON)
1478 *state = (char) 'A';
1479 else if (myStatus->pr_flags & PR_ISSYS)
1480 *state = (char) 'Y';
1481 else if (myStatus->pr_flags & PR_ORPHAN)
1482 *state = (char) 'O';
1484 sfree(myStatus);
1485 sfree(myInfo);
1486 sfree(myUsage);
1488 return (0);
1489 }
1491 /*
1492 * Reads the number of threads created since the last reboot. On Solaris these
1493 * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1494 * The result is the sum for all the threads created on each cpu
1495 */
1496 static int read_fork_rate()
1497 {
1498 extern kstat_ctl_t *kc;
1499 kstat_t *ksp_chain = NULL;
1500 derive_t result = 0;
1502 if (kc == NULL)
1503 return (-1);
1505 for (ksp_chain = kc->kc_chain;
1506 ksp_chain != NULL;
1507 ksp_chain = ksp_chain->ks_next)
1508 {
1509 if ((strcmp (ksp_chain->ks_module, "cpu") == 0)
1510 && (strcmp (ksp_chain->ks_name, "sys") == 0)
1511 && (strcmp (ksp_chain->ks_class, "misc") == 0))
1512 {
1513 long long tmp;
1515 kstat_read (kc, ksp_chain, NULL);
1517 tmp = get_kstat_value(ksp_chain, "nthreads");
1518 if (tmp != -1LL)
1519 result += tmp;
1520 }
1521 }
1523 ps_submit_fork_rate (result);
1524 return (0);
1525 }
1526 #endif /* KERNEL_SOLARIS */
1528 #if HAVE_THREAD_INFO
1529 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1530 {
1531 int mib[4];
1533 struct kinfo_proc kp;
1534 size_t kp_size;
1536 mib[0] = CTL_KERN;
1537 mib[1] = KERN_PROC;
1538 mib[2] = KERN_PROC_PID;
1540 if (pid_for_task (t, pid) != KERN_SUCCESS)
1541 return (-1);
1542 mib[3] = *pid;
1544 kp_size = sizeof (kp);
1545 if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1546 return (-1);
1548 if (name_max_len > (MAXCOMLEN + 1))
1549 name_max_len = MAXCOMLEN + 1;
1551 strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1552 name[name_max_len - 1] = '\0';
1554 DEBUG ("pid = %i; name = %s;", *pid, name);
1556 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1557 * `top' does it, because it is a lot of work and only used when
1558 * debugging. -octo */
1560 return (0);
1561 }
1562 #endif /* HAVE_THREAD_INFO */
1563 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1565 /* do actual readings from kernel */
1566 static int ps_read (void)
1567 {
1568 #if HAVE_THREAD_INFO
1569 kern_return_t status;
1571 int pset;
1572 processor_set_t port_pset_priv;
1574 int task;
1575 task_array_t task_list;
1576 mach_msg_type_number_t task_list_len;
1578 int task_pid;
1579 char task_name[MAXCOMLEN + 1];
1581 int thread;
1582 thread_act_array_t thread_list;
1583 mach_msg_type_number_t thread_list_len;
1584 thread_basic_info_data_t thread_data;
1585 mach_msg_type_number_t thread_data_len;
1587 int running = 0;
1588 int sleeping = 0;
1589 int zombies = 0;
1590 int stopped = 0;
1591 int blocked = 0;
1593 procstat_t *ps;
1594 procstat_entry_t pse;
1596 ps_list_reset ();
1598 /*
1599 * The Mach-concept is a little different from the traditional UNIX
1600 * concept: All the work is done in threads. Threads are contained in
1601 * `tasks'. Therefore, `task status' doesn't make much sense, since
1602 * it's actually a `thread status'.
1603 * Tasks are assigned to sets of processors, so that's where you go to
1604 * get a list.
1605 */
1606 for (pset = 0; pset < pset_list_len; pset++)
1607 {
1608 if ((status = host_processor_set_priv (port_host_self,
1609 pset_list[pset],
1610 &port_pset_priv)) != KERN_SUCCESS)
1611 {
1612 ERROR ("host_processor_set_priv failed: %s\n",
1613 mach_error_string (status));
1614 continue;
1615 }
1617 if ((status = processor_set_tasks (port_pset_priv,
1618 &task_list,
1619 &task_list_len)) != KERN_SUCCESS)
1620 {
1621 ERROR ("processor_set_tasks failed: %s\n",
1622 mach_error_string (status));
1623 mach_port_deallocate (port_task_self, port_pset_priv);
1624 continue;
1625 }
1627 for (task = 0; task < task_list_len; task++)
1628 {
1629 ps = NULL;
1630 if (mach_get_task_name (task_list[task],
1631 &task_pid,
1632 task_name, PROCSTAT_NAME_LEN) == 0)
1633 {
1634 /* search for at least one match */
1635 for (ps = list_head_g; ps != NULL; ps = ps->next)
1636 /* FIXME: cmdline should be here instead of NULL */
1637 if (ps_list_match (task_name, NULL, ps) == 1)
1638 break;
1639 }
1641 /* Collect more detailed statistics for this process */
1642 if (ps != NULL)
1643 {
1644 task_basic_info_data_t task_basic_info;
1645 mach_msg_type_number_t task_basic_info_len;
1646 task_events_info_data_t task_events_info;
1647 mach_msg_type_number_t task_events_info_len;
1648 task_absolutetime_info_data_t task_absolutetime_info;
1649 mach_msg_type_number_t task_absolutetime_info_len;
1651 memset (&pse, '\0', sizeof (pse));
1652 pse.id = task_pid;
1654 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1655 status = task_info (task_list[task],
1656 TASK_BASIC_INFO,
1657 (task_info_t) &task_basic_info,
1658 &task_basic_info_len);
1659 if (status != KERN_SUCCESS)
1660 {
1661 ERROR ("task_info failed: %s",
1662 mach_error_string (status));
1663 continue; /* with next thread_list */
1664 }
1666 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1667 status = task_info (task_list[task],
1668 TASK_EVENTS_INFO,
1669 (task_info_t) &task_events_info,
1670 &task_events_info_len);
1671 if (status != KERN_SUCCESS)
1672 {
1673 ERROR ("task_info failed: %s",
1674 mach_error_string (status));
1675 continue; /* with next thread_list */
1676 }
1678 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1679 status = task_info (task_list[task],
1680 TASK_ABSOLUTETIME_INFO,
1681 (task_info_t) &task_absolutetime_info,
1682 &task_absolutetime_info_len);
1683 if (status != KERN_SUCCESS)
1684 {
1685 ERROR ("task_info failed: %s",
1686 mach_error_string (status));
1687 continue; /* with next thread_list */
1688 }
1690 pse.num_proc++;
1691 pse.vmem_size = task_basic_info.virtual_size;
1692 pse.vmem_rss = task_basic_info.resident_size;
1693 /* Does not seem to be easily exposed */
1694 pse.vmem_data = 0;
1695 pse.vmem_code = 0;
1697 pse.vmem_minflt_counter = task_events_info.cow_faults;
1698 pse.vmem_majflt_counter = task_events_info.faults;
1700 pse.cpu_user_counter = task_absolutetime_info.total_user;
1701 pse.cpu_system_counter = task_absolutetime_info.total_system;
1702 }
1704 status = task_threads (task_list[task], &thread_list,
1705 &thread_list_len);
1706 if (status != KERN_SUCCESS)
1707 {
1708 /* Apple's `top' treats this case a zombie. It
1709 * makes sense to some extend: A `zombie'
1710 * thread is nonsense, since the task/process
1711 * is dead. */
1712 zombies++;
1713 DEBUG ("task_threads failed: %s",
1714 mach_error_string (status));
1715 if (task_list[task] != port_task_self)
1716 mach_port_deallocate (port_task_self,
1717 task_list[task]);
1718 continue; /* with next task_list */
1719 }
1721 for (thread = 0; thread < thread_list_len; thread++)
1722 {
1723 thread_data_len = THREAD_BASIC_INFO_COUNT;
1724 status = thread_info (thread_list[thread],
1725 THREAD_BASIC_INFO,
1726 (thread_info_t) &thread_data,
1727 &thread_data_len);
1728 if (status != KERN_SUCCESS)
1729 {
1730 ERROR ("thread_info failed: %s",
1731 mach_error_string (status));
1732 if (task_list[task] != port_task_self)
1733 mach_port_deallocate (port_task_self,
1734 thread_list[thread]);
1735 continue; /* with next thread_list */
1736 }
1738 if (ps != NULL)
1739 pse.num_lwp++;
1741 switch (thread_data.run_state)
1742 {
1743 case TH_STATE_RUNNING:
1744 running++;
1745 break;
1746 case TH_STATE_STOPPED:
1747 /* What exactly is `halted'? */
1748 case TH_STATE_HALTED:
1749 stopped++;
1750 break;
1751 case TH_STATE_WAITING:
1752 sleeping++;
1753 break;
1754 case TH_STATE_UNINTERRUPTIBLE:
1755 blocked++;
1756 break;
1757 /* There is no `zombie' case here,
1758 * since there are no zombie-threads.
1759 * There's only zombie tasks, which are
1760 * handled above. */
1761 default:
1762 WARNING ("Unknown thread status: %i",
1763 thread_data.run_state);
1764 break;
1765 } /* switch (thread_data.run_state) */
1767 if (task_list[task] != port_task_self)
1768 {
1769 status = mach_port_deallocate (port_task_self,
1770 thread_list[thread]);
1771 if (status != KERN_SUCCESS)
1772 ERROR ("mach_port_deallocate failed: %s",
1773 mach_error_string (status));
1774 }
1775 } /* for (thread_list) */
1777 if ((status = vm_deallocate (port_task_self,
1778 (vm_address_t) thread_list,
1779 thread_list_len * sizeof (thread_act_t)))
1780 != KERN_SUCCESS)
1781 {
1782 ERROR ("vm_deallocate failed: %s",
1783 mach_error_string (status));
1784 }
1785 thread_list = NULL;
1786 thread_list_len = 0;
1788 /* Only deallocate the task port, if it isn't our own.
1789 * Don't know what would happen in that case, but this
1790 * is what Apple's top does.. ;) */
1791 if (task_list[task] != port_task_self)
1792 {
1793 status = mach_port_deallocate (port_task_self,
1794 task_list[task]);
1795 if (status != KERN_SUCCESS)
1796 ERROR ("mach_port_deallocate failed: %s",
1797 mach_error_string (status));
1798 }
1800 if (ps != NULL)
1801 /* FIXME: cmdline should be here instead of NULL */
1802 ps_list_add (task_name, NULL, &pse);
1803 } /* for (task_list) */
1805 if ((status = vm_deallocate (port_task_self,
1806 (vm_address_t) task_list,
1807 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1808 {
1809 ERROR ("vm_deallocate failed: %s",
1810 mach_error_string (status));
1811 }
1812 task_list = NULL;
1813 task_list_len = 0;
1815 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1816 != KERN_SUCCESS)
1817 {
1818 ERROR ("mach_port_deallocate failed: %s",
1819 mach_error_string (status));
1820 }
1821 } /* for (pset_list) */
1823 ps_submit_state ("running", running);
1824 ps_submit_state ("sleeping", sleeping);
1825 ps_submit_state ("zombies", zombies);
1826 ps_submit_state ("stopped", stopped);
1827 ps_submit_state ("blocked", blocked);
1829 for (ps = list_head_g; ps != NULL; ps = ps->next)
1830 ps_submit_proc_list (ps);
1831 /* #endif HAVE_THREAD_INFO */
1833 #elif KERNEL_LINUX
1834 int running = 0;
1835 int sleeping = 0;
1836 int zombies = 0;
1837 int stopped = 0;
1838 int paging = 0;
1839 int blocked = 0;
1841 struct dirent *ent;
1842 DIR *proc;
1843 int pid;
1845 char cmdline[CMDLINE_BUFFER_SIZE];
1847 int status;
1848 procstat_t ps;
1849 procstat_entry_t pse;
1850 char state;
1852 procstat_t *ps_ptr;
1854 running = sleeping = zombies = stopped = paging = blocked = 0;
1855 ps_list_reset ();
1857 if ((proc = opendir ("/proc")) == NULL)
1858 {
1859 char errbuf[1024];
1860 ERROR ("Cannot open `/proc': %s",
1861 sstrerror (errno, errbuf, sizeof (errbuf)));
1862 return (-1);
1863 }
1865 while ((ent = readdir (proc)) != NULL)
1866 {
1867 if (!isdigit (ent->d_name[0]))
1868 continue;
1870 if ((pid = atoi (ent->d_name)) < 1)
1871 continue;
1873 status = ps_read_process (pid, &ps, &state);
1874 if (status != 0)
1875 {
1876 DEBUG ("ps_read_process failed: %i", status);
1877 continue;
1878 }
1880 pse.id = pid;
1881 pse.age = 0;
1883 pse.num_proc = ps.num_proc;
1884 pse.num_lwp = ps.num_lwp;
1885 pse.vmem_size = ps.vmem_size;
1886 pse.vmem_rss = ps.vmem_rss;
1887 pse.vmem_data = ps.vmem_data;
1888 pse.vmem_code = ps.vmem_code;
1889 pse.stack_size = ps.stack_size;
1891 pse.vmem_minflt = 0;
1892 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1893 pse.vmem_majflt = 0;
1894 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1896 pse.cpu_user = 0;
1897 pse.cpu_user_counter = ps.cpu_user_counter;
1898 pse.cpu_system = 0;
1899 pse.cpu_system_counter = ps.cpu_system_counter;
1901 pse.io_rchar = ps.io_rchar;
1902 pse.io_wchar = ps.io_wchar;
1903 pse.io_syscr = ps.io_syscr;
1904 pse.io_syscw = ps.io_syscw;
1906 pse.cswitch_vol = ps.cswitch_vol;
1907 pse.cswitch_invol = ps.cswitch_invol;
1909 switch (state)
1910 {
1911 case 'R': running++; break;
1912 case 'S': sleeping++; break;
1913 case 'D': blocked++; break;
1914 case 'Z': zombies++; break;
1915 case 'T': stopped++; break;
1916 case 'W': paging++; break;
1917 }
1919 ps_list_add (ps.name,
1920 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1921 &pse);
1922 }
1924 closedir (proc);
1926 ps_submit_state ("running", running);
1927 ps_submit_state ("sleeping", sleeping);
1928 ps_submit_state ("zombies", zombies);
1929 ps_submit_state ("stopped", stopped);
1930 ps_submit_state ("paging", paging);
1931 ps_submit_state ("blocked", blocked);
1933 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1934 ps_submit_proc_list (ps_ptr);
1936 read_fork_rate();
1937 /* #endif KERNEL_LINUX */
1939 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1940 int running = 0;
1941 int sleeping = 0;
1942 int zombies = 0;
1943 int stopped = 0;
1944 int blocked = 0;
1945 int idle = 0;
1946 int wait = 0;
1948 kvm_t *kd;
1949 char errbuf[_POSIX2_LINE_MAX];
1950 struct kinfo_proc *procs; /* array of processes */
1951 struct kinfo_proc *proc_ptr = NULL;
1952 int count; /* returns number of processes */
1953 int i;
1955 procstat_t *ps_ptr;
1956 procstat_entry_t pse;
1958 ps_list_reset ();
1960 /* Open the kvm interface, get a descriptor */
1961 kd = kvm_openfiles (NULL, "/dev/null", NULL, 0, errbuf);
1962 if (kd == NULL)
1963 {
1964 ERROR ("processes plugin: Cannot open kvm interface: %s",
1965 errbuf);
1966 return (0);
1967 }
1969 /* Get the list of processes. */
1970 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1971 if (procs == NULL)
1972 {
1973 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1974 kvm_geterr(kd));
1975 kvm_close (kd);
1976 return (0);
1977 }
1979 /* Iterate through the processes in kinfo_proc */
1980 for (i = 0; i < count; i++)
1981 {
1982 /* Create only one process list entry per _process_, i.e.
1983 * filter out threads (duplicate PID entries). */
1984 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1985 {
1986 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1987 _Bool have_cmdline = 0;
1989 proc_ptr = &(procs[i]);
1990 /* Don't probe system processes and processes without arguments */
1991 if (((procs[i].ki_flag & P_SYSTEM) == 0)
1992 && (procs[i].ki_args != NULL))
1993 {
1994 char **argv;
1995 int argc;
1996 int status;
1998 /* retrieve the arguments */
1999 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
2000 argc = 0;
2001 if ((argv != NULL) && (argv[0] != NULL))
2002 {
2003 while (argv[argc] != NULL)
2004 argc++;
2006 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
2007 if (status < 0)
2008 WARNING ("processes plugin: Command line did not fit into buffer.");
2009 else
2010 have_cmdline = 1;
2011 }
2012 } /* if (process has argument list) */
2014 pse.id = procs[i].ki_pid;
2015 pse.age = 0;
2017 pse.num_proc = 1;
2018 pse.num_lwp = procs[i].ki_numthreads;
2020 pse.vmem_size = procs[i].ki_size;
2021 pse.vmem_rss = procs[i].ki_rssize * pagesize;
2022 pse.vmem_data = procs[i].ki_dsize * pagesize;
2023 pse.vmem_code = procs[i].ki_tsize * pagesize;
2024 pse.stack_size = procs[i].ki_ssize * pagesize;
2025 pse.vmem_minflt = 0;
2026 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
2027 pse.vmem_majflt = 0;
2028 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
2030 pse.cpu_user = 0;
2031 pse.cpu_system = 0;
2032 pse.cpu_user_counter = 0;
2033 pse.cpu_system_counter = 0;
2034 /*
2035 * The u-area might be swapped out, and we can't get
2036 * at it because we have a crashdump and no swap.
2037 * If it's here fill in these fields, otherwise, just
2038 * leave them 0.
2039 */
2040 if (procs[i].ki_flag & P_INMEM)
2041 {
2042 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
2043 + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
2044 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
2045 + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
2046 }
2048 /* no I/O data */
2049 pse.io_rchar = -1;
2050 pse.io_wchar = -1;
2051 pse.io_syscr = -1;
2052 pse.io_syscw = -1;
2054 ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
2055 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
2057 switch (procs[i].ki_stat)
2058 {
2059 case SSTOP: stopped++; break;
2060 case SSLEEP: sleeping++; break;
2061 case SRUN: running++; break;
2062 case SIDL: idle++; break;
2063 case SWAIT: wait++; break;
2064 case SLOCK: blocked++; break;
2065 case SZOMB: zombies++; break;
2066 }
2067 }
2069 kvm_close(kd);
2071 ps_submit_state ("running", running);
2072 ps_submit_state ("sleeping", sleeping);
2073 ps_submit_state ("zombies", zombies);
2074 ps_submit_state ("stopped", stopped);
2075 ps_submit_state ("blocked", blocked);
2076 ps_submit_state ("idle", idle);
2077 ps_submit_state ("wait", wait);
2079 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2080 ps_submit_proc_list (ps_ptr);
2081 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
2083 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD
2084 int running = 0;
2085 int sleeping = 0;
2086 int zombies = 0;
2087 int stopped = 0;
2088 int onproc = 0;
2089 int idle = 0;
2090 int dead = 0;
2092 kvm_t *kd;
2093 char errbuf[1024];
2094 struct kinfo_proc *procs; /* array of processes */
2095 struct kinfo_proc *proc_ptr = NULL;
2096 int count; /* returns number of processes */
2097 int i;
2099 procstat_t *ps_ptr;
2100 procstat_entry_t pse;
2102 ps_list_reset ();
2104 /* Open the kvm interface, get a descriptor */
2105 kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
2106 if (kd == NULL)
2107 {
2108 ERROR ("processes plugin: Cannot open kvm interface: %s",
2109 errbuf);
2110 return (0);
2111 }
2113 /* Get the list of processes. */
2114 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
2115 if (procs == NULL)
2116 {
2117 ERROR ("processes plugin: Cannot get kvm processes list: %s",
2118 kvm_geterr(kd));
2119 kvm_close (kd);
2120 return (0);
2121 }
2123 /* Iterate through the processes in kinfo_proc */
2124 for (i = 0; i < count; i++)
2125 {
2126 /* Create only one process list entry per _process_, i.e.
2127 * filter out threads (duplicate PID entries). */
2128 if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid))
2129 {
2130 char cmdline[CMDLINE_BUFFER_SIZE] = "";
2131 _Bool have_cmdline = 0;
2133 proc_ptr = &(procs[i]);
2134 /* Don't probe zombie processes */
2135 if (!P_ZOMBIE(proc_ptr))
2136 {
2137 char **argv;
2138 int argc;
2139 int status;
2141 /* retrieve the arguments */
2142 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
2143 argc = 0;
2144 if ((argv != NULL) && (argv[0] != NULL))
2145 {
2146 while (argv[argc] != NULL)
2147 argc++;
2149 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
2150 if (status < 0)
2151 WARNING ("processes plugin: Command line did not fit into buffer.");
2152 else
2153 have_cmdline = 1;
2154 }
2155 } /* if (process has argument list) */
2157 pse.id = procs[i].p_pid;
2158 pse.age = 0;
2160 pse.num_proc = 1;
2161 pse.num_lwp = 1; /* XXX: accumulate p_tid values for a single p_pid ? */
2163 pse.vmem_rss = procs[i].p_vm_rssize * pagesize;
2164 pse.vmem_data = procs[i].p_vm_dsize * pagesize;
2165 pse.vmem_code = procs[i].p_vm_tsize * pagesize;
2166 pse.stack_size = procs[i].p_vm_ssize * pagesize;
2167 pse.vmem_size = pse.stack_size + pse.vmem_code + pse.vmem_data;
2168 pse.vmem_minflt = 0;
2169 pse.vmem_minflt_counter = procs[i].p_uru_minflt;
2170 pse.vmem_majflt = 0;
2171 pse.vmem_majflt_counter = procs[i].p_uru_majflt;
2173 pse.cpu_user = 0;
2174 pse.cpu_system = 0;
2175 pse.cpu_user_counter = procs[i].p_uutime_usec +
2176 (1000000lu * procs[i].p_uutime_sec);
2177 pse.cpu_system_counter = procs[i].p_ustime_usec +
2178 (1000000lu * procs[i].p_ustime_sec);
2180 /* no I/O data */
2181 pse.io_rchar = -1;
2182 pse.io_wchar = -1;
2183 pse.io_syscr = -1;
2184 pse.io_syscw = -1;
2186 ps_list_add (procs[i].p_comm, have_cmdline ? cmdline : NULL, &pse);
2187 } /* if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) */
2189 switch (procs[i].p_stat)
2190 {
2191 case SSTOP: stopped++; break;
2192 case SSLEEP: sleeping++; break;
2193 case SRUN: running++; break;
2194 case SIDL: idle++; break;
2195 case SONPROC: onproc++; break;
2196 case SDEAD: dead++; break;
2197 case SZOMB: zombies++; break;
2198 }
2199 }
2201 kvm_close(kd);
2203 ps_submit_state ("running", running);
2204 ps_submit_state ("sleeping", sleeping);
2205 ps_submit_state ("zombies", zombies);
2206 ps_submit_state ("stopped", stopped);
2207 ps_submit_state ("onproc", onproc);
2208 ps_submit_state ("idle", idle);
2209 ps_submit_state ("dead", dead);
2211 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2212 ps_submit_proc_list (ps_ptr);
2213 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD */
2215 #elif HAVE_PROCINFO_H
2216 /* AIX */
2217 int running = 0;
2218 int sleeping = 0;
2219 int zombies = 0;
2220 int stopped = 0;
2221 int paging = 0;
2222 int blocked = 0;
2224 pid_t pindex = 0;
2225 int nprocs;
2227 procstat_t *ps;
2228 procstat_entry_t pse;
2230 ps_list_reset ();
2231 while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
2232 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
2233 &pindex, MAXPROCENTRY)) > 0)
2234 {
2235 int i;
2237 for (i = 0; i < nprocs; i++)
2238 {
2239 tid64_t thindex;
2240 int nthreads;
2241 char arglist[MAXARGLN+1];
2242 char *cargs;
2243 char *cmdline;
2245 if (procentry[i].pi_state == SNONE) continue;
2246 /* if (procentry[i].pi_state == SZOMB) FIXME */
2248 cmdline = procentry[i].pi_comm;
2249 cargs = procentry[i].pi_comm;
2250 if ( procentry[i].pi_flags & SKPROC )
2251 {
2252 if (procentry[i].pi_pid == 0)
2253 cmdline = "swapper";
2254 cargs = cmdline;
2255 }
2256 else
2257 {
2258 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
2259 {
2260 int n;
2262 n = -1;
2263 while (++n < MAXARGLN)
2264 {
2265 if (arglist[n] == '\0')
2266 {
2267 if (arglist[n+1] == '\0')
2268 break;
2269 arglist[n] = ' ';
2270 }
2271 }
2272 cargs = arglist;
2273 }
2274 }
2276 pse.id = procentry[i].pi_pid;
2277 pse.age = 0;
2278 pse.num_lwp = procentry[i].pi_thcount;
2279 pse.num_proc = 1;
2281 thindex=0;
2282 while ((nthreads = getthrds64(procentry[i].pi_pid,
2283 thrdentry, sizeof(struct thrdentry64),
2284 &thindex, MAXTHRDENTRY)) > 0)
2285 {
2286 int j;
2288 for (j=0; j< nthreads; j++)
2289 {
2290 switch (thrdentry[j].ti_state)
2291 {
2292 /* case TSNONE: break; */
2293 case TSIDL: blocked++; break; /* FIXME is really blocked */
2294 case TSRUN: running++; break;
2295 case TSSLEEP: sleeping++; break;
2296 case TSSWAP: paging++; break;
2297 case TSSTOP: stopped++; break;
2298 case TSZOMB: zombies++; break;
2299 }
2300 }
2301 if (nthreads < MAXTHRDENTRY)
2302 break;
2303 }
2305 pse.cpu_user = 0;
2306 /* tv_usec is nanosec ??? */
2307 pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2308 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2310 pse.cpu_system = 0;
2311 /* tv_usec is nanosec ??? */
2312 pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2313 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2315 pse.vmem_minflt = 0;
2316 pse.vmem_minflt_counter = procentry[i].pi_minflt;
2317 pse.vmem_majflt = 0;
2318 pse.vmem_majflt_counter = procentry[i].pi_majflt;
2320 pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2321 pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2322 /* Not supported */
2323 pse.vmem_data = 0;
2324 pse.vmem_code = 0;
2325 pse.stack_size = 0;
2327 pse.io_rchar = -1;
2328 pse.io_wchar = -1;
2329 pse.io_syscr = -1;
2330 pse.io_syscw = -1;
2332 ps_list_add (cmdline, cargs, &pse);
2333 } /* for (i = 0 .. nprocs) */
2335 if (nprocs < MAXPROCENTRY)
2336 break;
2337 } /* while (getprocs64() > 0) */
2338 ps_submit_state ("running", running);
2339 ps_submit_state ("sleeping", sleeping);
2340 ps_submit_state ("zombies", zombies);
2341 ps_submit_state ("stopped", stopped);
2342 ps_submit_state ("paging", paging);
2343 ps_submit_state ("blocked", blocked);
2345 for (ps = list_head_g; ps != NULL; ps = ps->next)
2346 ps_submit_proc_list (ps);
2347 /* #endif HAVE_PROCINFO_H */
2349 #elif KERNEL_SOLARIS
2350 /*
2351 * The Solaris section adds a few more process states and removes some
2352 * process states compared to linux. Most notably there is no "PAGING"
2353 * and "BLOCKED" state for a process. The rest is similar to the linux
2354 * code.
2355 */
2356 int running = 0;
2357 int sleeping = 0;
2358 int zombies = 0;
2359 int stopped = 0;
2360 int detached = 0;
2361 int daemon = 0;
2362 int system = 0;
2363 int orphan = 0;
2365 struct dirent *ent;
2366 DIR *proc;
2368 int status;
2369 procstat_t *ps_ptr;
2370 char state;
2372 char cmdline[PRARGSZ];
2374 ps_list_reset ();
2376 proc = opendir ("/proc");
2377 if (proc == NULL)
2378 return (-1);
2380 while ((ent = readdir(proc)) != NULL)
2381 {
2382 long pid;
2383 struct procstat ps;
2384 procstat_entry_t pse;
2385 char *endptr;
2387 if (!isdigit ((int) ent->d_name[0]))
2388 continue;
2390 pid = strtol (ent->d_name, &endptr, 10);
2391 if (*endptr != 0) /* value didn't completely parse as a number */
2392 continue;
2394 status = ps_read_process (pid, &ps, &state);
2395 if (status != 0)
2396 {
2397 DEBUG("ps_read_process failed: %i", status);
2398 continue;
2399 }
2401 pse.id = pid;
2402 pse.age = 0;
2404 pse.num_proc = ps.num_proc;
2405 pse.num_lwp = ps.num_lwp;
2406 pse.vmem_size = ps.vmem_size;
2407 pse.vmem_rss = ps.vmem_rss;
2408 pse.vmem_data = ps.vmem_data;
2409 pse.vmem_code = ps.vmem_code;
2410 pse.stack_size = ps.stack_size;
2412 pse.vmem_minflt = 0;
2413 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2414 pse.vmem_majflt = 0;
2415 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2417 pse.cpu_user = 0;
2418 pse.cpu_user_counter = ps.cpu_user_counter;
2419 pse.cpu_system = 0;
2420 pse.cpu_system_counter = ps.cpu_system_counter;
2422 pse.io_rchar = ps.io_rchar;
2423 pse.io_wchar = ps.io_wchar;
2424 pse.io_syscr = ps.io_syscr;
2425 pse.io_syscw = ps.io_syscw;
2427 switch (state)
2428 {
2429 case 'R': running++; break;
2430 case 'S': sleeping++; break;
2431 case 'E': detached++; break;
2432 case 'Z': zombies++; break;
2433 case 'T': stopped++; break;
2434 case 'A': daemon++; break;
2435 case 'Y': system++; break;
2436 case 'O': orphan++; break;
2437 }
2440 ps_list_add (ps.name,
2441 ps_get_cmdline (pid, cmdline, sizeof (cmdline)),
2442 &pse);
2443 } /* while(readdir) */
2444 closedir (proc);
2446 ps_submit_state ("running", running);
2447 ps_submit_state ("sleeping", sleeping);
2448 ps_submit_state ("zombies", zombies);
2449 ps_submit_state ("stopped", stopped);
2450 ps_submit_state ("detached", detached);
2451 ps_submit_state ("daemon", daemon);
2452 ps_submit_state ("system", system);
2453 ps_submit_state ("orphan", orphan);
2455 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2456 ps_submit_proc_list (ps_ptr);
2458 read_fork_rate();
2459 #endif /* KERNEL_SOLARIS */
2461 return (0);
2462 } /* int ps_read */
2464 void module_register (void)
2465 {
2466 plugin_register_complex_config ("processes", ps_config);
2467 plugin_register_init ("processes", ps_init);
2468 plugin_register_read ("processes", ps_read);
2469 } /* void module_register */