1 /**
2 * collectd - src/processes.c
3 * Copyright (C) 2005 Lyonel Vincent
4 * Copyright (C) 2006-2010 Florian octo Forster
5 * Copyright (C) 2008 Oleg King
6 * Copyright (C) 2009 Sebastian Harl
7 * Copyright (C) 2009 Andrés J. Díaz
8 * Copyright (C) 2009 Manuel Sanmartin
9 * Copyright (C) 2010 Clément Stenac
10 * Copyright (C) 2012 Cosmin Ioiart
11 *
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License as published by the
14 * Free Software Foundation; either version 2 of the License, or (at your
15 * option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License along
23 * with this program; if not, write to the Free Software Foundation, Inc.,
24 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
25 *
26 * Authors:
27 * Lyonel Vincent <lyonel at ezix.org>
28 * Florian octo Forster <octo at collectd.org>
29 * Oleg King <king2 at kaluga.ru>
30 * Sebastian Harl <sh at tokkee.org>
31 * Andrés J. Díaz <ajdiaz at connectical.com>
32 * Manuel Sanmartin
33 * Clément Stenac <clement.stenac at diwi.org>
34 * Cosmin Ioiart <cioiart at gmail.com>
35 **/
37 #include "collectd.h"
38 #include "common.h"
39 #include "plugin.h"
40 #include "configfile.h"
42 /* Include header files for the mach system, if they exist.. */
43 #if HAVE_THREAD_INFO
44 # if HAVE_MACH_MACH_INIT_H
45 # include <mach/mach_init.h>
46 # endif
47 # if HAVE_MACH_HOST_PRIV_H
48 # include <mach/host_priv.h>
49 # endif
50 # if HAVE_MACH_MACH_ERROR_H
51 # include <mach/mach_error.h>
52 # endif
53 # if HAVE_MACH_MACH_HOST_H
54 # include <mach/mach_host.h>
55 # endif
56 # if HAVE_MACH_MACH_PORT_H
57 # include <mach/mach_port.h>
58 # endif
59 # if HAVE_MACH_MACH_TYPES_H
60 # include <mach/mach_types.h>
61 # endif
62 # if HAVE_MACH_MESSAGE_H
63 # include <mach/message.h>
64 # endif
65 # if HAVE_MACH_PROCESSOR_SET_H
66 # include <mach/processor_set.h>
67 # endif
68 # if HAVE_MACH_TASK_H
69 # include <mach/task.h>
70 # endif
71 # if HAVE_MACH_THREAD_ACT_H
72 # include <mach/thread_act.h>
73 # endif
74 # if HAVE_MACH_VM_REGION_H
75 # include <mach/vm_region.h>
76 # endif
77 # if HAVE_MACH_VM_MAP_H
78 # include <mach/vm_map.h>
79 # endif
80 # if HAVE_MACH_VM_PROT_H
81 # include <mach/vm_prot.h>
82 # endif
83 # if HAVE_SYS_SYSCTL_H
84 # include <sys/sysctl.h>
85 # endif
86 /* #endif HAVE_THREAD_INFO */
88 #elif KERNEL_LINUX
89 # if HAVE_LINUX_CONFIG_H
90 # include <linux/config.h>
91 # endif
92 # ifndef CONFIG_HZ
93 # define CONFIG_HZ 100
94 # endif
95 /* #endif KERNEL_LINUX */
97 #elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
98 # include <kvm.h>
99 # include <sys/param.h>
100 # include <sys/sysctl.h>
101 # include <sys/user.h>
102 # include <sys/proc.h>
103 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
105 #elif HAVE_PROCINFO_H
106 # include <procinfo.h>
107 # include <sys/types.h>
109 #define MAXPROCENTRY 32
110 #define MAXTHRDENTRY 16
111 #define MAXARGLN 1024
112 /* #endif HAVE_PROCINFO_H */
114 #elif KERNEL_SOLARIS
115 /* Hack: Avoid #error when building a 32-bit binary with
116 * _FILE_OFFSET_BITS=64. There is a reason for this #error, as one
117 * of the structures in <sys/procfs.h> uses an off_t, but that
118 * isn't relevant to our usage of procfs. */
119 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64
120 # define SAVE_FOB_64
121 # undef _FILE_OFFSET_BITS
122 #endif
124 # include <procfs.h>
126 #ifdef SAVE_FOB_64
127 # define _FILE_OFFSET_BITS 64
128 # undef SAVE_FOB_64
129 #endif
131 # include <dirent.h>
132 /* #endif KERNEL_SOLARIS */
134 #else
135 # error "No applicable input method."
136 #endif
138 #if HAVE_REGEX_H
139 # include <regex.h>
140 #endif
142 #if HAVE_KSTAT_H
143 # include <kstat.h>
144 #endif
146 #ifndef CMDLINE_BUFFER_SIZE
147 # if defined(ARG_MAX) && (ARG_MAX < 4096)
148 # define CMDLINE_BUFFER_SIZE ARG_MAX
149 # else
150 # define CMDLINE_BUFFER_SIZE 4096
151 # endif
152 #endif
154 typedef struct procstat_entry_s
155 {
156 unsigned long id;
157 unsigned long age;
159 unsigned long num_proc;
160 unsigned long num_lwp;
161 unsigned long vmem_size;
162 unsigned long vmem_rss;
163 unsigned long vmem_data;
164 unsigned long vmem_code;
165 unsigned long stack_size;
167 unsigned long vmem_minflt;
168 unsigned long vmem_majflt;
169 derive_t vmem_minflt_counter;
170 derive_t vmem_majflt_counter;
172 unsigned long cpu_user;
173 unsigned long cpu_system;
174 derive_t cpu_user_counter;
175 derive_t cpu_system_counter;
177 /* io data */
178 derive_t io_rchar;
179 derive_t io_wchar;
180 derive_t io_syscr;
181 derive_t io_syscw;
183 derive_t cswitch_vol;
184 derive_t cswitch_invol;
186 struct procstat_entry_s *next;
187 } procstat_entry_t;
189 #define PROCSTAT_NAME_LEN 256
190 typedef struct procstat
191 {
192 char name[PROCSTAT_NAME_LEN];
193 #if HAVE_REGEX_H
194 regex_t *re;
195 #endif
197 unsigned long num_proc;
198 unsigned long num_lwp;
199 unsigned long vmem_size;
200 unsigned long vmem_rss;
201 unsigned long vmem_data;
202 unsigned long vmem_code;
203 unsigned long stack_size;
205 derive_t vmem_minflt_counter;
206 derive_t vmem_majflt_counter;
208 derive_t cpu_user_counter;
209 derive_t cpu_system_counter;
211 /* io data */
212 derive_t io_rchar;
213 derive_t io_wchar;
214 derive_t io_syscr;
215 derive_t io_syscw;
217 derive_t cswitch_vol;
218 derive_t cswitch_invol;
220 struct procstat *next;
221 struct procstat_entry_s *instances;
222 } procstat_t;
224 static procstat_t *list_head_g = NULL;
226 static _Bool report_ctx_switch = 0;
228 #if HAVE_THREAD_INFO
229 static mach_port_t port_host_self;
230 static mach_port_t port_task_self;
232 static processor_set_name_array_t pset_list;
233 static mach_msg_type_number_t pset_list_len;
234 /* #endif HAVE_THREAD_INFO */
236 #elif KERNEL_LINUX
237 static long pagesize_g;
238 /* #endif KERNEL_LINUX */
240 #elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
241 static int pagesize;
242 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
244 #elif HAVE_PROCINFO_H
245 static struct procentry64 procentry[MAXPROCENTRY];
246 static struct thrdentry64 thrdentry[MAXTHRDENTRY];
247 static int pagesize;
249 #ifndef _AIXVERSION_610
250 int getprocs64 (void *procsinfo, int sizproc, void *fdsinfo, int sizfd, pid_t *index, int count);
251 int getthrds64( pid_t, void *, int, tid64_t *, int );
252 #endif
253 int getargs (void *processBuffer, int bufferLen, char *argsBuffer, int argsLen);
254 #endif /* HAVE_PROCINFO_H */
256 /* put name of process from config to list_head_g tree
257 * list_head_g is a list of 'procstat_t' structs with
258 * processes names we want to watch */
259 static void ps_list_register (const char *name, const char *regexp)
260 {
261 procstat_t *new;
262 procstat_t *ptr;
263 int status;
265 new = (procstat_t *) malloc (sizeof (procstat_t));
266 if (new == NULL)
267 {
268 ERROR ("processes plugin: ps_list_register: malloc failed.");
269 return;
270 }
271 memset (new, 0, sizeof (procstat_t));
272 sstrncpy (new->name, name, sizeof (new->name));
274 #if HAVE_REGEX_H
275 if (regexp != NULL)
276 {
277 DEBUG ("ProcessMatch: adding \"%s\" as criteria to process %s.", regexp, name);
278 new->re = (regex_t *) malloc (sizeof (regex_t));
279 if (new->re == NULL)
280 {
281 ERROR ("processes plugin: ps_list_register: malloc failed.");
282 sfree (new);
283 return;
284 }
286 status = regcomp (new->re, regexp, REG_EXTENDED | REG_NOSUB);
287 if (status != 0)
288 {
289 DEBUG ("ProcessMatch: compiling the regular expression \"%s\" failed.", regexp);
290 sfree(new->re);
291 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;
501 }
502 }
504 /* remove old entries from instances of processes in list_head_g */
505 static void ps_list_reset (void)
506 {
507 procstat_t *ps;
508 procstat_entry_t *pse;
509 procstat_entry_t *pse_prev;
511 for (ps = list_head_g; ps != NULL; ps = ps->next)
512 {
513 ps->num_proc = 0;
514 ps->num_lwp = 0;
515 ps->vmem_size = 0;
516 ps->vmem_rss = 0;
517 ps->vmem_data = 0;
518 ps->vmem_code = 0;
519 ps->stack_size = 0;
520 ps->io_rchar = -1;
521 ps->io_wchar = -1;
522 ps->io_syscr = -1;
523 ps->io_syscw = -1;
524 ps->cswitch_vol = -1;
525 ps->cswitch_invol = -1;
527 pse_prev = NULL;
528 pse = ps->instances;
529 while (pse != NULL)
530 {
531 if (pse->age > 10)
532 {
533 DEBUG ("Removing this procstat entry cause it's too old: "
534 "id = %lu; name = %s;",
535 pse->id, ps->name);
537 if (pse_prev == NULL)
538 {
539 ps->instances = pse->next;
540 free (pse);
541 pse = ps->instances;
542 }
543 else
544 {
545 pse_prev->next = pse->next;
546 free (pse);
547 pse = pse_prev->next;
548 }
549 }
550 else
551 {
552 pse->age++;
553 pse_prev = pse;
554 pse = pse->next;
555 }
556 } /* while (pse != NULL) */
557 } /* for (ps = list_head_g; ps != NULL; ps = ps->next) */
558 }
560 /* put all pre-defined 'Process' names from config to list_head_g tree */
561 static int ps_config (oconfig_item_t *ci)
562 {
563 int i;
565 for (i = 0; i < ci->children_num; ++i) {
566 oconfig_item_t *c = ci->children + i;
568 if (strcasecmp (c->key, "Process") == 0)
569 {
570 if ((c->values_num != 1)
571 || (OCONFIG_TYPE_STRING != c->values[0].type)) {
572 ERROR ("processes plugin: `Process' expects exactly "
573 "one string argument (got %i).",
574 c->values_num);
575 continue;
576 }
578 if (c->children_num != 0) {
579 WARNING ("processes plugin: the `Process' config option "
580 "does not expect any child elements -- ignoring "
581 "content (%i elements) of the <Process '%s'> block.",
582 c->children_num, c->values[0].value.string);
583 }
585 ps_list_register (c->values[0].value.string, NULL);
586 }
587 else if (strcasecmp (c->key, "ProcessMatch") == 0)
588 {
589 if ((c->values_num != 2)
590 || (OCONFIG_TYPE_STRING != c->values[0].type)
591 || (OCONFIG_TYPE_STRING != c->values[1].type))
592 {
593 ERROR ("processes plugin: `ProcessMatch' needs exactly "
594 "two string arguments (got %i).",
595 c->values_num);
596 continue;
597 }
599 if (c->children_num != 0) {
600 WARNING ("processes plugin: the `ProcessMatch' config option "
601 "does not expect any child elements -- ignoring "
602 "content (%i elements) of the <ProcessMatch '%s' '%s'> "
603 "block.", c->children_num, c->values[0].value.string,
604 c->values[1].value.string);
605 }
607 ps_list_register (c->values[0].value.string,
608 c->values[1].value.string);
609 }
610 else if (strcasecmp (c->key, "CollectContextSwitch") == 0)
611 {
612 cf_util_get_boolean (c, &report_ctx_switch);
613 }
614 else
615 {
616 ERROR ("processes plugin: The `%s' configuration option is not "
617 "understood and will be ignored.", c->key);
618 continue;
619 }
620 }
622 return (0);
623 }
625 static int ps_init (void)
626 {
627 #if HAVE_THREAD_INFO
628 kern_return_t status;
630 port_host_self = mach_host_self ();
631 port_task_self = mach_task_self ();
633 if (pset_list != NULL)
634 {
635 vm_deallocate (port_task_self,
636 (vm_address_t) pset_list,
637 pset_list_len * sizeof (processor_set_t));
638 pset_list = NULL;
639 pset_list_len = 0;
640 }
642 if ((status = host_processor_sets (port_host_self,
643 &pset_list,
644 &pset_list_len)) != KERN_SUCCESS)
645 {
646 ERROR ("host_processor_sets failed: %s\n",
647 mach_error_string (status));
648 pset_list = NULL;
649 pset_list_len = 0;
650 return (-1);
651 }
652 /* #endif HAVE_THREAD_INFO */
654 #elif KERNEL_LINUX
655 pagesize_g = sysconf(_SC_PAGESIZE);
656 DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
657 pagesize_g, CONFIG_HZ);
658 /* #endif KERNEL_LINUX */
660 #elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
661 pagesize = getpagesize();
662 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
664 #elif HAVE_PROCINFO_H
665 pagesize = getpagesize();
666 #endif /* HAVE_PROCINFO_H */
668 return (0);
669 } /* int ps_init */
671 /* submit global state (e.g.: qty of zombies, running, etc..) */
672 static void ps_submit_state (const char *state, double value)
673 {
674 value_t values[1];
675 value_list_t vl = VALUE_LIST_INIT;
677 values[0].gauge = value;
679 vl.values = values;
680 vl.values_len = 1;
681 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
682 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
683 sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
684 sstrncpy (vl.type, "ps_state", sizeof (vl.type));
685 sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
687 plugin_dispatch_values (&vl);
688 }
690 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
691 static void ps_submit_proc_list (procstat_t *ps)
692 {
693 value_t values[2];
694 value_list_t vl = VALUE_LIST_INIT;
696 vl.values = values;
697 vl.values_len = 2;
698 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
699 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
700 sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
702 sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
703 vl.values[0].gauge = ps->vmem_size;
704 vl.values_len = 1;
705 plugin_dispatch_values (&vl);
707 sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
708 vl.values[0].gauge = ps->vmem_rss;
709 vl.values_len = 1;
710 plugin_dispatch_values (&vl);
712 sstrncpy (vl.type, "ps_data", sizeof (vl.type));
713 vl.values[0].gauge = ps->vmem_data;
714 vl.values_len = 1;
715 plugin_dispatch_values (&vl);
717 sstrncpy (vl.type, "ps_code", sizeof (vl.type));
718 vl.values[0].gauge = ps->vmem_code;
719 vl.values_len = 1;
720 plugin_dispatch_values (&vl);
722 sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
723 vl.values[0].gauge = ps->stack_size;
724 vl.values_len = 1;
725 plugin_dispatch_values (&vl);
727 sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
728 vl.values[0].derive = ps->cpu_user_counter;
729 vl.values[1].derive = ps->cpu_system_counter;
730 vl.values_len = 2;
731 plugin_dispatch_values (&vl);
733 sstrncpy (vl.type, "ps_count", sizeof (vl.type));
734 vl.values[0].gauge = ps->num_proc;
735 vl.values[1].gauge = ps->num_lwp;
736 vl.values_len = 2;
737 plugin_dispatch_values (&vl);
739 sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
740 vl.values[0].derive = ps->vmem_minflt_counter;
741 vl.values[1].derive = ps->vmem_majflt_counter;
742 vl.values_len = 2;
743 plugin_dispatch_values (&vl);
745 if ( (ps->io_rchar != -1) && (ps->io_wchar != -1) )
746 {
747 sstrncpy (vl.type, "ps_disk_octets", sizeof (vl.type));
748 vl.values[0].derive = ps->io_rchar;
749 vl.values[1].derive = ps->io_wchar;
750 vl.values_len = 2;
751 plugin_dispatch_values (&vl);
752 }
754 if ( (ps->io_syscr != -1) && (ps->io_syscw != -1) )
755 {
756 sstrncpy (vl.type, "ps_disk_ops", sizeof (vl.type));
757 vl.values[0].derive = ps->io_syscr;
758 vl.values[1].derive = ps->io_syscw;
759 vl.values_len = 2;
760 plugin_dispatch_values (&vl);
761 }
763 if ( report_ctx_switch )
764 {
765 sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
766 sstrncpy (vl.type_instance, "voluntary", sizeof (vl.type_instance));
767 vl.values[0].derive = ps->cswitch_vol;
768 vl.values_len = 1;
769 plugin_dispatch_values (&vl);
771 sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
772 sstrncpy (vl.type_instance, "involuntary", sizeof (vl.type_instance));
773 vl.values[0].derive = ps->cswitch_invol;
774 vl.values_len = 1;
775 plugin_dispatch_values (&vl);
776 }
778 DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
779 "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
780 "vmem_code = %lu; "
781 "vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
782 "cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
783 "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
784 "io_syscr = %"PRIi64"; io_syscw = %"PRIi64"; "
785 "cswitch_vol = %"PRIi64"; cswitch_invol = %"PRIi64";",
786 ps->name, ps->num_proc, ps->num_lwp,
787 ps->vmem_size, ps->vmem_rss,
788 ps->vmem_data, ps->vmem_code,
789 ps->vmem_minflt_counter, ps->vmem_majflt_counter,
790 ps->cpu_user_counter, ps->cpu_system_counter,
791 ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw,
792 ps->cswitch_vol, ps->cswitch_invol);
793 } /* void ps_submit_proc_list */
795 #if KERNEL_LINUX || KERNEL_SOLARIS
796 static void ps_submit_fork_rate (derive_t value)
797 {
798 value_t values[1];
799 value_list_t vl = VALUE_LIST_INIT;
801 values[0].derive = value;
803 vl.values = values;
804 vl.values_len = 1;
805 sstrncpy(vl.host, hostname_g, sizeof (vl.host));
806 sstrncpy(vl.plugin, "processes", sizeof (vl.plugin));
807 sstrncpy(vl.plugin_instance, "", sizeof (vl.plugin_instance));
808 sstrncpy(vl.type, "fork_rate", sizeof (vl.type));
809 sstrncpy(vl.type_instance, "", sizeof (vl.type_instance));
811 plugin_dispatch_values(&vl);
812 }
813 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
815 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
816 #if KERNEL_LINUX
817 static procstat_t *ps_read_tasks_status (int pid, procstat_t *ps)
818 {
819 char dirname[64];
820 DIR *dh;
821 char filename[64];
822 FILE *fh;
823 struct dirent *ent;
824 derive_t cswitch_vol = 0;
825 derive_t cswitch_invol = 0;
826 char buffer[1024];
827 char *fields[8];
828 int numfields;
830 ssnprintf (dirname, sizeof (dirname), "/proc/%i/task", pid);
832 if ((dh = opendir (dirname)) == NULL)
833 {
834 DEBUG ("Failed to open directory `%s'", dirname);
835 return (NULL);
836 }
838 while ((ent = readdir (dh)) != NULL)
839 {
840 char *tpid;
842 if (!isdigit ((int) ent->d_name[0]))
843 continue;
845 tpid = ent->d_name;
847 ssnprintf (filename, sizeof (filename), "/proc/%i/task/%s/status", pid, tpid);
848 if ((fh = fopen (filename, "r")) == NULL)
849 {
850 DEBUG ("Failed to open file `%s'", filename);
851 continue;
852 }
854 while (fgets (buffer, sizeof(buffer), fh) != NULL)
855 {
856 derive_t tmp;
857 char *endptr;
859 if (strncmp (buffer, "voluntary_ctxt_switches", 23) != 0
860 && strncmp (buffer, "nonvoluntary_ctxt_switches", 26) != 0)
861 continue;
863 numfields = strsplit (buffer, fields,
864 STATIC_ARRAY_SIZE (fields));
866 if (numfields < 2)
867 continue;
869 errno = 0;
870 endptr = NULL;
871 tmp = (derive_t) strtoll (fields[1], &endptr, /* base = */ 10);
872 if ((errno == 0) && (endptr != fields[1]))
873 {
874 if (strncmp (buffer, "voluntary_ctxt_switches", 23) == 0)
875 {
876 cswitch_vol += tmp;
877 }
878 else if (strncmp (buffer, "nonvoluntary_ctxt_switches", 26) == 0)
879 {
880 cswitch_invol += tmp;
881 }
882 }
883 } /* while (fgets) */
885 if (fclose (fh))
886 {
887 char errbuf[1024];
888 WARNING ("processes: fclose: %s",
889 sstrerror (errno, errbuf, sizeof (errbuf)));
890 }
891 }
892 closedir (dh);
894 ps->cswitch_vol = cswitch_vol;
895 ps->cswitch_invol = cswitch_invol;
897 return (ps);
898 } /* int *ps_read_tasks_status */
900 /* Read data from /proc/pid/status */
901 static procstat_t *ps_read_status (int pid, procstat_t *ps)
902 {
903 FILE *fh;
904 char buffer[1024];
905 char filename[64];
906 unsigned long lib = 0;
907 unsigned long exe = 0;
908 unsigned long data = 0;
909 unsigned long threads = 0;
910 char *fields[8];
911 int numfields;
913 ssnprintf (filename, sizeof (filename), "/proc/%i/status", pid);
914 if ((fh = fopen (filename, "r")) == NULL)
915 return (NULL);
917 while (fgets (buffer, sizeof(buffer), fh) != NULL)
918 {
919 unsigned long tmp;
920 char *endptr;
922 if (strncmp (buffer, "Vm", 2) != 0
923 && strncmp (buffer, "Threads", 7) != 0)
924 continue;
926 numfields = strsplit (buffer, fields,
927 STATIC_ARRAY_SIZE (fields));
929 if (numfields < 2)
930 continue;
932 errno = 0;
933 endptr = NULL;
934 tmp = strtoul (fields[1], &endptr, /* base = */ 10);
935 if ((errno == 0) && (endptr != fields[1]))
936 {
937 if (strncmp (buffer, "VmData", 6) == 0)
938 {
939 data = tmp;
940 }
941 else if (strncmp (buffer, "VmLib", 5) == 0)
942 {
943 lib = tmp;
944 }
945 else if (strncmp(buffer, "VmExe", 5) == 0)
946 {
947 exe = tmp;
948 }
949 else if (strncmp(buffer, "Threads", 7) == 0)
950 {
951 threads = tmp;
952 }
953 }
954 } /* while (fgets) */
956 if (fclose (fh))
957 {
958 char errbuf[1024];
959 WARNING ("processes: fclose: %s",
960 sstrerror (errno, errbuf, sizeof (errbuf)));
961 }
963 ps->vmem_data = data * 1024;
964 ps->vmem_code = (exe + lib) * 1024;
965 if (threads != 0)
966 ps->num_lwp = threads;
968 return (ps);
969 } /* procstat_t *ps_read_vmem */
971 static procstat_t *ps_read_io (int pid, procstat_t *ps)
972 {
973 FILE *fh;
974 char buffer[1024];
975 char filename[64];
977 char *fields[8];
978 int numfields;
980 ssnprintf (filename, sizeof (filename), "/proc/%i/io", pid);
981 if ((fh = fopen (filename, "r")) == NULL)
982 return (NULL);
984 while (fgets (buffer, sizeof (buffer), fh) != NULL)
985 {
986 derive_t *val = NULL;
987 long long tmp;
988 char *endptr;
990 if (strncasecmp (buffer, "rchar:", 6) == 0)
991 val = &(ps->io_rchar);
992 else if (strncasecmp (buffer, "wchar:", 6) == 0)
993 val = &(ps->io_wchar);
994 else if (strncasecmp (buffer, "syscr:", 6) == 0)
995 val = &(ps->io_syscr);
996 else if (strncasecmp (buffer, "syscw:", 6) == 0)
997 val = &(ps->io_syscw);
998 else
999 continue;
1001 numfields = strsplit (buffer, fields,
1002 STATIC_ARRAY_SIZE (fields));
1004 if (numfields < 2)
1005 continue;
1007 errno = 0;
1008 endptr = NULL;
1009 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
1010 if ((errno != 0) || (endptr == fields[1]))
1011 *val = -1;
1012 else
1013 *val = (derive_t) tmp;
1014 } /* while (fgets) */
1016 if (fclose (fh))
1017 {
1018 char errbuf[1024];
1019 WARNING ("processes: fclose: %s",
1020 sstrerror (errno, errbuf, sizeof (errbuf)));
1021 }
1023 return (ps);
1024 } /* procstat_t *ps_read_io */
1026 int ps_read_process (int pid, procstat_t *ps, char *state)
1027 {
1028 char filename[64];
1029 char buffer[1024];
1031 char *fields[64];
1032 char fields_len;
1034 size_t buffer_len;
1036 char *buffer_ptr;
1037 size_t name_start_pos;
1038 size_t name_end_pos;
1039 size_t name_len;
1041 derive_t cpu_user_counter;
1042 derive_t cpu_system_counter;
1043 long long unsigned vmem_size;
1044 long long unsigned vmem_rss;
1045 long long unsigned stack_size;
1047 ssize_t status;
1049 memset (ps, 0, sizeof (procstat_t));
1051 ssnprintf (filename, sizeof (filename), "/proc/%i/stat", pid);
1053 status = read_file_contents (filename, buffer, sizeof(buffer) - 1);
1054 if (status <= 0)
1055 return (-1);
1056 buffer_len = (size_t) status;
1057 buffer[buffer_len] = 0;
1059 /* The name of the process is enclosed in parens. Since the name can
1060 * contain parens itself, spaces, numbers and pretty much everything
1061 * else, use these to determine the process name. We don't use
1062 * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
1063 * otherwise be required to determine name_len. */
1064 name_start_pos = 0;
1065 while ((buffer[name_start_pos] != '(')
1066 && (name_start_pos < buffer_len))
1067 name_start_pos++;
1069 name_end_pos = buffer_len;
1070 while ((buffer[name_end_pos] != ')')
1071 && (name_end_pos > 0))
1072 name_end_pos--;
1074 /* Either '(' or ')' is not found or they are in the wrong order.
1075 * Anyway, something weird that shouldn't happen ever. */
1076 if (name_start_pos >= name_end_pos)
1077 {
1078 ERROR ("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
1079 name_start_pos, name_end_pos);
1080 return (-1);
1081 }
1083 name_len = (name_end_pos - name_start_pos) - 1;
1084 if (name_len >= sizeof (ps->name))
1085 name_len = sizeof (ps->name) - 1;
1087 sstrncpy (ps->name, &buffer[name_start_pos + 1], name_len + 1);
1089 if ((buffer_len - name_end_pos) < 2)
1090 return (-1);
1091 buffer_ptr = &buffer[name_end_pos + 2];
1093 fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
1094 if (fields_len < 22)
1095 {
1096 DEBUG ("processes plugin: ps_read_process (pid = %i):"
1097 " `%s' has only %i fields..",
1098 (int) pid, filename, fields_len);
1099 return (-1);
1100 }
1102 *state = fields[0][0];
1104 if (*state == 'Z')
1105 {
1106 ps->num_lwp = 0;
1107 ps->num_proc = 0;
1108 }
1109 else
1110 {
1111 ps->num_lwp = strtoul (fields[17], /* endptr = */ NULL, /* base = */ 10);
1112 if ((ps_read_status(pid, ps)) == NULL)
1113 {
1114 /* No VMem data */
1115 ps->vmem_data = -1;
1116 ps->vmem_code = -1;
1117 DEBUG("ps_read_process: did not get vmem data for pid %i",pid);
1118 }
1119 if (ps->num_lwp <= 0)
1120 ps->num_lwp = 1;
1121 ps->num_proc = 1;
1122 }
1124 /* Leave the rest at zero if this is only a zombi */
1125 if (ps->num_proc == 0)
1126 {
1127 DEBUG ("processes plugin: This is only a zombi: pid = %i; "
1128 "name = %s;", pid, ps->name);
1129 return (0);
1130 }
1132 cpu_user_counter = atoll (fields[11]);
1133 cpu_system_counter = atoll (fields[12]);
1134 vmem_size = atoll (fields[20]);
1135 vmem_rss = atoll (fields[21]);
1136 ps->vmem_minflt_counter = atol (fields[7]);
1137 ps->vmem_majflt_counter = atol (fields[9]);
1139 {
1140 unsigned long long stack_start = atoll (fields[25]);
1141 unsigned long long stack_ptr = atoll (fields[26]);
1143 stack_size = (stack_start > stack_ptr)
1144 ? stack_start - stack_ptr
1145 : stack_ptr - stack_start;
1146 }
1148 /* Convert jiffies to useconds */
1149 cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
1150 cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1151 vmem_rss = vmem_rss * pagesize_g;
1153 ps->cpu_user_counter = cpu_user_counter;
1154 ps->cpu_system_counter = cpu_system_counter;
1155 ps->vmem_size = (unsigned long) vmem_size;
1156 ps->vmem_rss = (unsigned long) vmem_rss;
1157 ps->stack_size = (unsigned long) stack_size;
1159 if ( (ps_read_io (pid, ps)) == NULL)
1160 {
1161 /* no io data */
1162 ps->io_rchar = -1;
1163 ps->io_wchar = -1;
1164 ps->io_syscr = -1;
1165 ps->io_syscw = -1;
1167 DEBUG("ps_read_process: not get io data for pid %i",pid);
1168 }
1170 if ( report_ctx_switch )
1171 {
1172 if ( (ps_read_tasks_status(pid, ps)) == NULL)
1173 {
1174 ps->cswitch_vol = -1;
1175 ps->cswitch_invol = -1;
1177 DEBUG("ps_read_tasks_status: not get context "
1178 "switch data for pid %i",pid);
1179 }
1180 }
1182 /* success */
1183 return (0);
1184 } /* int ps_read_process (...) */
1186 static char *ps_get_cmdline (pid_t pid, char *name, char *buf, size_t buf_len)
1187 {
1188 char *buf_ptr;
1189 size_t len;
1191 char file[PATH_MAX];
1192 int fd;
1194 size_t n;
1196 if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1197 return NULL;
1199 ssnprintf (file, sizeof (file), "/proc/%u/cmdline",
1200 (unsigned int) pid);
1202 errno = 0;
1203 fd = open (file, O_RDONLY);
1204 if (fd < 0) {
1205 char errbuf[4096];
1206 /* ENOENT means the process exited while we were handling it.
1207 * Don't complain about this, it only fills the logs. */
1208 if (errno != ENOENT)
1209 WARNING ("processes plugin: Failed to open `%s': %s.", file,
1210 sstrerror (errno, errbuf, sizeof (errbuf)));
1211 return NULL;
1212 }
1214 buf_ptr = buf;
1215 len = buf_len;
1217 n = 0;
1219 while (42) {
1220 ssize_t status;
1222 status = read (fd, (void *)buf_ptr, len);
1224 if (status < 0) {
1225 char errbuf[1024];
1227 if ((EAGAIN == errno) || (EINTR == errno))
1228 continue;
1230 WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1231 sstrerror (errno, errbuf, sizeof (errbuf)));
1232 close (fd);
1233 return NULL;
1234 }
1236 n += status;
1238 if (status == 0)
1239 break;
1241 buf_ptr += status;
1242 len -= status;
1244 if (len <= 0)
1245 break;
1246 }
1248 close (fd);
1250 if (0 == n) {
1251 /* cmdline not available; e.g. kernel thread, zombie */
1252 if (NULL == name)
1253 return NULL;
1255 ssnprintf (buf, buf_len, "[%s]", name);
1256 return buf;
1257 }
1259 assert (n <= buf_len);
1261 if (n == buf_len)
1262 --n;
1263 buf[n] = '\0';
1265 --n;
1266 /* remove trailing whitespace */
1267 while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1268 buf[n] = '\0';
1269 --n;
1270 }
1272 /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1273 while (n > 0) {
1274 if ('\0' == buf[n])
1275 buf[n] = ' ';
1276 --n;
1277 }
1278 return buf;
1279 } /* char *ps_get_cmdline (...) */
1281 static int read_fork_rate ()
1282 {
1283 FILE *proc_stat;
1284 char buffer[1024];
1285 value_t value;
1286 _Bool value_valid = 0;
1288 proc_stat = fopen ("/proc/stat", "r");
1289 if (proc_stat == NULL)
1290 {
1291 char errbuf[1024];
1292 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1293 sstrerror (errno, errbuf, sizeof (errbuf)));
1294 return (-1);
1295 }
1297 while (fgets (buffer, sizeof (buffer), proc_stat) != NULL)
1298 {
1299 int status;
1300 char *fields[3];
1301 int fields_num;
1303 fields_num = strsplit (buffer, fields,
1304 STATIC_ARRAY_SIZE (fields));
1305 if (fields_num != 2)
1306 continue;
1308 if (strcmp ("processes", fields[0]) != 0)
1309 continue;
1311 status = parse_value (fields[1], &value, DS_TYPE_DERIVE);
1312 if (status == 0)
1313 value_valid = 1;
1315 break;
1316 }
1317 fclose(proc_stat);
1319 if (!value_valid)
1320 return (-1);
1322 ps_submit_fork_rate (value.derive);
1323 return (0);
1324 }
1325 #endif /*KERNEL_LINUX */
1327 #if KERNEL_SOLARIS
1328 static const char *ps_get_cmdline (long pid, /* {{{ */
1329 char *buffer, size_t buffer_size)
1330 {
1331 char path[PATH_MAX];
1332 psinfo_t info;
1333 ssize_t status;
1335 snprintf(path, sizeof (path), "/proc/%li/psinfo", pid);
1337 status = read_file_contents (path, (void *) &info, sizeof (info));
1338 if ((status < 0) || (((size_t) status) != sizeof (info)))
1339 {
1340 ERROR ("processes plugin: Unexpected return value "
1341 "while reading \"%s\": "
1342 "Returned %zd but expected %zu.",
1343 path, status, buffer_size);
1344 return (NULL);
1345 }
1347 info.pr_psargs[sizeof (info.pr_psargs) - 1] = 0;
1348 sstrncpy (buffer, info.pr_psargs, buffer_size);
1350 return (buffer);
1351 } /* }}} int ps_get_cmdline */
1353 /*
1354 * Reads process information on the Solaris OS. The information comes mainly from
1355 * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1356 * The values for input and ouput chars are calculated "by hand"
1357 * Added a few "solaris" specific process states as well
1358 */
1359 static int ps_read_process(long pid, procstat_t *ps, char *state)
1360 {
1361 char filename[64];
1362 char f_psinfo[64], f_usage[64];
1363 char *buffer;
1365 pstatus_t *myStatus;
1366 psinfo_t *myInfo;
1367 prusage_t *myUsage;
1369 snprintf(filename, sizeof (filename), "/proc/%li/status", pid);
1370 snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%li/psinfo", pid);
1371 snprintf(f_usage, sizeof (f_usage), "/proc/%li/usage", pid);
1374 buffer = malloc(sizeof (pstatus_t));
1375 memset(buffer, 0, sizeof (pstatus_t));
1376 read_file_contents(filename, buffer, sizeof (pstatus_t));
1377 myStatus = (pstatus_t *) buffer;
1379 buffer = malloc(sizeof (psinfo_t));
1380 memset(buffer, 0, sizeof(psinfo_t));
1381 read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1382 myInfo = (psinfo_t *) buffer;
1384 buffer = malloc(sizeof (prusage_t));
1385 memset(buffer, 0, sizeof(prusage_t));
1386 read_file_contents(f_usage, buffer, sizeof (prusage_t));
1387 myUsage = (prusage_t *) buffer;
1389 sstrncpy(ps->name, myInfo->pr_fname, sizeof (myInfo->pr_fname));
1390 ps->num_lwp = myStatus->pr_nlwp;
1391 if (myInfo->pr_wstat != 0) {
1392 ps->num_proc = 0;
1393 ps->num_lwp = 0;
1394 *state = (char) 'Z';
1395 return (0);
1396 } else {
1397 ps->num_proc = 1;
1398 ps->num_lwp = myInfo->pr_nlwp;
1399 }
1401 /*
1402 * Convert system time and user time from nanoseconds to microseconds
1403 * for compatibility with the linux module
1404 */
1405 ps->cpu_system_counter = myStatus -> pr_stime.tv_nsec / 1000;
1406 ps->cpu_user_counter = myStatus -> pr_utime.tv_nsec / 1000;
1408 /*
1409 * Convert rssize from KB to bytes to be consistent w/ the linux module
1410 */
1411 ps->vmem_rss = myInfo->pr_rssize * 1024;
1412 ps->vmem_size = myInfo->pr_size * 1024;
1413 ps->vmem_minflt_counter = myUsage->pr_minf;
1414 ps->vmem_majflt_counter = myUsage->pr_majf;
1416 /*
1417 * TODO: Data and code segment calculations for Solaris
1418 */
1420 ps->vmem_data = -1;
1421 ps->vmem_code = -1;
1422 ps->stack_size = myStatus->pr_stksize;
1424 /*
1425 * Calculating input/ouput chars
1426 * Formula used is total chars / total blocks => chars/block
1427 * then convert input/output blocks to chars
1428 */
1429 ulong_t tot_chars = myUsage->pr_ioch;
1430 ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1431 ulong_t chars_per_block = 1;
1432 if (tot_blocks != 0)
1433 chars_per_block = tot_chars / tot_blocks;
1434 ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1435 ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1436 ps->io_syscr = myUsage->pr_sysc;
1437 ps->io_syscw = myUsage->pr_sysc;
1440 /*
1441 * TODO: Find way of setting BLOCKED and PAGING status
1442 */
1444 *state = (char) 'R';
1445 if (myStatus->pr_flags & PR_ASLEEP)
1446 *state = (char) 'S';
1447 else if (myStatus->pr_flags & PR_STOPPED)
1448 *state = (char) 'T';
1449 else if (myStatus->pr_flags & PR_DETACH)
1450 *state = (char) 'E';
1451 else if (myStatus->pr_flags & PR_DAEMON)
1452 *state = (char) 'A';
1453 else if (myStatus->pr_flags & PR_ISSYS)
1454 *state = (char) 'Y';
1455 else if (myStatus->pr_flags & PR_ORPHAN)
1456 *state = (char) 'O';
1458 sfree(myStatus);
1459 sfree(myInfo);
1460 sfree(myUsage);
1462 return (0);
1463 }
1465 /*
1466 * Reads the number of threads created since the last reboot. On Solaris these
1467 * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1468 * The result is the sum for all the threads created on each cpu
1469 */
1470 static int read_fork_rate()
1471 {
1472 extern kstat_ctl_t *kc;
1473 kstat_t *ksp_chain = NULL;
1474 derive_t result = 0;
1476 if (kc == NULL)
1477 return (-1);
1479 for (ksp_chain = kc->kc_chain;
1480 ksp_chain != NULL;
1481 ksp_chain = ksp_chain->ks_next)
1482 {
1483 if ((strcmp (ksp_chain->ks_module, "cpu") == 0)
1484 && (strcmp (ksp_chain->ks_name, "sys") == 0)
1485 && (strcmp (ksp_chain->ks_class, "misc") == 0))
1486 {
1487 long long tmp;
1489 kstat_read (kc, ksp_chain, NULL);
1491 tmp = get_kstat_value(ksp_chain, "nthreads");
1492 if (tmp != -1LL)
1493 result += tmp;
1494 }
1495 }
1497 ps_submit_fork_rate (result);
1498 return (0);
1499 }
1500 #endif /* KERNEL_SOLARIS */
1502 #if HAVE_THREAD_INFO
1503 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1504 {
1505 int mib[4];
1507 struct kinfo_proc kp;
1508 size_t kp_size;
1510 mib[0] = CTL_KERN;
1511 mib[1] = KERN_PROC;
1512 mib[2] = KERN_PROC_PID;
1514 if (pid_for_task (t, pid) != KERN_SUCCESS)
1515 return (-1);
1516 mib[3] = *pid;
1518 kp_size = sizeof (kp);
1519 if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1520 return (-1);
1522 if (name_max_len > (MAXCOMLEN + 1))
1523 name_max_len = MAXCOMLEN + 1;
1525 strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1526 name[name_max_len - 1] = '\0';
1528 DEBUG ("pid = %i; name = %s;", *pid, name);
1530 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1531 * `top' does it, because it is a lot of work and only used when
1532 * debugging. -octo */
1534 return (0);
1535 }
1536 #endif /* HAVE_THREAD_INFO */
1537 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1539 /* do actual readings from kernel */
1540 static int ps_read (void)
1541 {
1542 #if HAVE_THREAD_INFO
1543 kern_return_t status;
1545 int pset;
1546 processor_set_t port_pset_priv;
1548 int task;
1549 task_array_t task_list;
1550 mach_msg_type_number_t task_list_len;
1552 int task_pid;
1553 char task_name[MAXCOMLEN + 1];
1555 int thread;
1556 thread_act_array_t thread_list;
1557 mach_msg_type_number_t thread_list_len;
1558 thread_basic_info_data_t thread_data;
1559 mach_msg_type_number_t thread_data_len;
1561 int running = 0;
1562 int sleeping = 0;
1563 int zombies = 0;
1564 int stopped = 0;
1565 int blocked = 0;
1567 procstat_t *ps;
1568 procstat_entry_t pse;
1570 ps_list_reset ();
1572 /*
1573 * The Mach-concept is a little different from the traditional UNIX
1574 * concept: All the work is done in threads. Threads are contained in
1575 * `tasks'. Therefore, `task status' doesn't make much sense, since
1576 * it's actually a `thread status'.
1577 * Tasks are assigned to sets of processors, so that's where you go to
1578 * get a list.
1579 */
1580 for (pset = 0; pset < pset_list_len; pset++)
1581 {
1582 if ((status = host_processor_set_priv (port_host_self,
1583 pset_list[pset],
1584 &port_pset_priv)) != KERN_SUCCESS)
1585 {
1586 ERROR ("host_processor_set_priv failed: %s\n",
1587 mach_error_string (status));
1588 continue;
1589 }
1591 if ((status = processor_set_tasks (port_pset_priv,
1592 &task_list,
1593 &task_list_len)) != KERN_SUCCESS)
1594 {
1595 ERROR ("processor_set_tasks failed: %s\n",
1596 mach_error_string (status));
1597 mach_port_deallocate (port_task_self, port_pset_priv);
1598 continue;
1599 }
1601 for (task = 0; task < task_list_len; task++)
1602 {
1603 ps = NULL;
1604 if (mach_get_task_name (task_list[task],
1605 &task_pid,
1606 task_name, PROCSTAT_NAME_LEN) == 0)
1607 {
1608 /* search for at least one match */
1609 for (ps = list_head_g; ps != NULL; ps = ps->next)
1610 /* FIXME: cmdline should be here instead of NULL */
1611 if (ps_list_match (task_name, NULL, ps) == 1)
1612 break;
1613 }
1615 /* Collect more detailed statistics for this process */
1616 if (ps != NULL)
1617 {
1618 task_basic_info_data_t task_basic_info;
1619 mach_msg_type_number_t task_basic_info_len;
1620 task_events_info_data_t task_events_info;
1621 mach_msg_type_number_t task_events_info_len;
1622 task_absolutetime_info_data_t task_absolutetime_info;
1623 mach_msg_type_number_t task_absolutetime_info_len;
1625 memset (&pse, '\0', sizeof (pse));
1626 pse.id = task_pid;
1628 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1629 status = task_info (task_list[task],
1630 TASK_BASIC_INFO,
1631 (task_info_t) &task_basic_info,
1632 &task_basic_info_len);
1633 if (status != KERN_SUCCESS)
1634 {
1635 ERROR ("task_info failed: %s",
1636 mach_error_string (status));
1637 continue; /* with next thread_list */
1638 }
1640 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1641 status = task_info (task_list[task],
1642 TASK_EVENTS_INFO,
1643 (task_info_t) &task_events_info,
1644 &task_events_info_len);
1645 if (status != KERN_SUCCESS)
1646 {
1647 ERROR ("task_info failed: %s",
1648 mach_error_string (status));
1649 continue; /* with next thread_list */
1650 }
1652 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1653 status = task_info (task_list[task],
1654 TASK_ABSOLUTETIME_INFO,
1655 (task_info_t) &task_absolutetime_info,
1656 &task_absolutetime_info_len);
1657 if (status != KERN_SUCCESS)
1658 {
1659 ERROR ("task_info failed: %s",
1660 mach_error_string (status));
1661 continue; /* with next thread_list */
1662 }
1664 pse.num_proc++;
1665 pse.vmem_size = task_basic_info.virtual_size;
1666 pse.vmem_rss = task_basic_info.resident_size;
1667 /* Does not seem to be easily exposed */
1668 pse.vmem_data = 0;
1669 pse.vmem_code = 0;
1671 pse.vmem_minflt_counter = task_events_info.cow_faults;
1672 pse.vmem_majflt_counter = task_events_info.faults;
1674 pse.cpu_user_counter = task_absolutetime_info.total_user;
1675 pse.cpu_system_counter = task_absolutetime_info.total_system;
1676 }
1678 status = task_threads (task_list[task], &thread_list,
1679 &thread_list_len);
1680 if (status != KERN_SUCCESS)
1681 {
1682 /* Apple's `top' treats this case a zombie. It
1683 * makes sense to some extend: A `zombie'
1684 * thread is nonsense, since the task/process
1685 * is dead. */
1686 zombies++;
1687 DEBUG ("task_threads failed: %s",
1688 mach_error_string (status));
1689 if (task_list[task] != port_task_self)
1690 mach_port_deallocate (port_task_self,
1691 task_list[task]);
1692 continue; /* with next task_list */
1693 }
1695 for (thread = 0; thread < thread_list_len; thread++)
1696 {
1697 thread_data_len = THREAD_BASIC_INFO_COUNT;
1698 status = thread_info (thread_list[thread],
1699 THREAD_BASIC_INFO,
1700 (thread_info_t) &thread_data,
1701 &thread_data_len);
1702 if (status != KERN_SUCCESS)
1703 {
1704 ERROR ("thread_info failed: %s",
1705 mach_error_string (status));
1706 if (task_list[task] != port_task_self)
1707 mach_port_deallocate (port_task_self,
1708 thread_list[thread]);
1709 continue; /* with next thread_list */
1710 }
1712 if (ps != NULL)
1713 pse.num_lwp++;
1715 switch (thread_data.run_state)
1716 {
1717 case TH_STATE_RUNNING:
1718 running++;
1719 break;
1720 case TH_STATE_STOPPED:
1721 /* What exactly is `halted'? */
1722 case TH_STATE_HALTED:
1723 stopped++;
1724 break;
1725 case TH_STATE_WAITING:
1726 sleeping++;
1727 break;
1728 case TH_STATE_UNINTERRUPTIBLE:
1729 blocked++;
1730 break;
1731 /* There is no `zombie' case here,
1732 * since there are no zombie-threads.
1733 * There's only zombie tasks, which are
1734 * handled above. */
1735 default:
1736 WARNING ("Unknown thread status: %i",
1737 thread_data.run_state);
1738 break;
1739 } /* switch (thread_data.run_state) */
1741 if (task_list[task] != port_task_self)
1742 {
1743 status = mach_port_deallocate (port_task_self,
1744 thread_list[thread]);
1745 if (status != KERN_SUCCESS)
1746 ERROR ("mach_port_deallocate failed: %s",
1747 mach_error_string (status));
1748 }
1749 } /* for (thread_list) */
1751 if ((status = vm_deallocate (port_task_self,
1752 (vm_address_t) thread_list,
1753 thread_list_len * sizeof (thread_act_t)))
1754 != KERN_SUCCESS)
1755 {
1756 ERROR ("vm_deallocate failed: %s",
1757 mach_error_string (status));
1758 }
1759 thread_list = NULL;
1760 thread_list_len = 0;
1762 /* Only deallocate the task port, if it isn't our own.
1763 * Don't know what would happen in that case, but this
1764 * is what Apple's top does.. ;) */
1765 if (task_list[task] != port_task_self)
1766 {
1767 status = mach_port_deallocate (port_task_self,
1768 task_list[task]);
1769 if (status != KERN_SUCCESS)
1770 ERROR ("mach_port_deallocate failed: %s",
1771 mach_error_string (status));
1772 }
1774 if (ps != NULL)
1775 /* FIXME: cmdline should be here instead of NULL */
1776 ps_list_add (task_name, NULL, &pse);
1777 } /* for (task_list) */
1779 if ((status = vm_deallocate (port_task_self,
1780 (vm_address_t) task_list,
1781 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1782 {
1783 ERROR ("vm_deallocate failed: %s",
1784 mach_error_string (status));
1785 }
1786 task_list = NULL;
1787 task_list_len = 0;
1789 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1790 != KERN_SUCCESS)
1791 {
1792 ERROR ("mach_port_deallocate failed: %s",
1793 mach_error_string (status));
1794 }
1795 } /* for (pset_list) */
1797 ps_submit_state ("running", running);
1798 ps_submit_state ("sleeping", sleeping);
1799 ps_submit_state ("zombies", zombies);
1800 ps_submit_state ("stopped", stopped);
1801 ps_submit_state ("blocked", blocked);
1803 for (ps = list_head_g; ps != NULL; ps = ps->next)
1804 ps_submit_proc_list (ps);
1805 /* #endif HAVE_THREAD_INFO */
1807 #elif KERNEL_LINUX
1808 int running = 0;
1809 int sleeping = 0;
1810 int zombies = 0;
1811 int stopped = 0;
1812 int paging = 0;
1813 int blocked = 0;
1815 struct dirent *ent;
1816 DIR *proc;
1817 int pid;
1819 char cmdline[CMDLINE_BUFFER_SIZE];
1821 int status;
1822 procstat_t ps;
1823 procstat_entry_t pse;
1824 char state;
1826 procstat_t *ps_ptr;
1828 running = sleeping = zombies = stopped = paging = blocked = 0;
1829 ps_list_reset ();
1831 if ((proc = opendir ("/proc")) == NULL)
1832 {
1833 char errbuf[1024];
1834 ERROR ("Cannot open `/proc': %s",
1835 sstrerror (errno, errbuf, sizeof (errbuf)));
1836 return (-1);
1837 }
1839 while ((ent = readdir (proc)) != NULL)
1840 {
1841 if (!isdigit (ent->d_name[0]))
1842 continue;
1844 if ((pid = atoi (ent->d_name)) < 1)
1845 continue;
1847 status = ps_read_process (pid, &ps, &state);
1848 if (status != 0)
1849 {
1850 DEBUG ("ps_read_process failed: %i", status);
1851 continue;
1852 }
1854 memset (&pse, 0, sizeof (pse));
1855 pse.id = pid;
1856 pse.age = 0;
1858 pse.num_proc = ps.num_proc;
1859 pse.num_lwp = ps.num_lwp;
1860 pse.vmem_size = ps.vmem_size;
1861 pse.vmem_rss = ps.vmem_rss;
1862 pse.vmem_data = ps.vmem_data;
1863 pse.vmem_code = ps.vmem_code;
1864 pse.stack_size = ps.stack_size;
1866 pse.vmem_minflt = 0;
1867 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1868 pse.vmem_majflt = 0;
1869 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1871 pse.cpu_user = 0;
1872 pse.cpu_user_counter = ps.cpu_user_counter;
1873 pse.cpu_system = 0;
1874 pse.cpu_system_counter = ps.cpu_system_counter;
1876 pse.io_rchar = ps.io_rchar;
1877 pse.io_wchar = ps.io_wchar;
1878 pse.io_syscr = ps.io_syscr;
1879 pse.io_syscw = ps.io_syscw;
1881 pse.cswitch_vol = ps.cswitch_vol;
1882 pse.cswitch_invol = ps.cswitch_invol;
1884 switch (state)
1885 {
1886 case 'R': running++; break;
1887 case 'S': sleeping++; break;
1888 case 'D': blocked++; break;
1889 case 'Z': zombies++; break;
1890 case 'T': stopped++; break;
1891 case 'W': paging++; break;
1892 }
1894 ps_list_add (ps.name,
1895 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1896 &pse);
1897 }
1899 closedir (proc);
1901 ps_submit_state ("running", running);
1902 ps_submit_state ("sleeping", sleeping);
1903 ps_submit_state ("zombies", zombies);
1904 ps_submit_state ("stopped", stopped);
1905 ps_submit_state ("paging", paging);
1906 ps_submit_state ("blocked", blocked);
1908 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1909 ps_submit_proc_list (ps_ptr);
1911 read_fork_rate();
1912 /* #endif KERNEL_LINUX */
1914 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1915 int running = 0;
1916 int sleeping = 0;
1917 int zombies = 0;
1918 int stopped = 0;
1919 int blocked = 0;
1920 int idle = 0;
1921 int wait = 0;
1923 kvm_t *kd;
1924 char errbuf[_POSIX2_LINE_MAX];
1925 struct kinfo_proc *procs; /* array of processes */
1926 struct kinfo_proc *proc_ptr = NULL;
1927 int count; /* returns number of processes */
1928 int i;
1930 procstat_t *ps_ptr;
1931 procstat_entry_t pse;
1933 ps_list_reset ();
1935 /* Open the kvm interface, get a descriptor */
1936 kd = kvm_openfiles (NULL, "/dev/null", NULL, 0, errbuf);
1937 if (kd == NULL)
1938 {
1939 ERROR ("processes plugin: Cannot open kvm interface: %s",
1940 errbuf);
1941 return (0);
1942 }
1944 /* Get the list of processes. */
1945 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1946 if (procs == NULL)
1947 {
1948 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1949 kvm_geterr(kd));
1950 kvm_close (kd);
1951 return (0);
1952 }
1954 /* Iterate through the processes in kinfo_proc */
1955 for (i = 0; i < count; i++)
1956 {
1957 /* Create only one process list entry per _process_, i.e.
1958 * filter out threads (duplicate PID entries). */
1959 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1960 {
1961 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1962 _Bool have_cmdline = 0;
1964 proc_ptr = &(procs[i]);
1965 /* Don't probe system processes and processes without arguments */
1966 if (((procs[i].ki_flag & P_SYSTEM) == 0)
1967 && (procs[i].ki_args != NULL))
1968 {
1969 char **argv;
1970 int argc;
1971 int status;
1973 /* retrieve the arguments */
1974 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1975 argc = 0;
1976 if ((argv != NULL) && (argv[0] != NULL))
1977 {
1978 while (argv[argc] != NULL)
1979 argc++;
1981 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1982 if (status < 0)
1983 WARNING ("processes plugin: Command line did not fit into buffer.");
1984 else
1985 have_cmdline = 1;
1986 }
1987 } /* if (process has argument list) */
1989 pse.id = procs[i].ki_pid;
1990 pse.age = 0;
1992 pse.num_proc = 1;
1993 pse.num_lwp = procs[i].ki_numthreads;
1995 pse.vmem_size = procs[i].ki_size;
1996 pse.vmem_rss = procs[i].ki_rssize * pagesize;
1997 pse.vmem_data = procs[i].ki_dsize * pagesize;
1998 pse.vmem_code = procs[i].ki_tsize * pagesize;
1999 pse.stack_size = procs[i].ki_ssize * pagesize;
2000 pse.vmem_minflt = 0;
2001 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
2002 pse.vmem_majflt = 0;
2003 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
2005 pse.cpu_user = 0;
2006 pse.cpu_system = 0;
2007 pse.cpu_user_counter = 0;
2008 pse.cpu_system_counter = 0;
2009 /*
2010 * The u-area might be swapped out, and we can't get
2011 * at it because we have a crashdump and no swap.
2012 * If it's here fill in these fields, otherwise, just
2013 * leave them 0.
2014 */
2015 if (procs[i].ki_flag & P_INMEM)
2016 {
2017 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
2018 + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
2019 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
2020 + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
2021 }
2023 /* no I/O data */
2024 pse.io_rchar = -1;
2025 pse.io_wchar = -1;
2026 pse.io_syscr = -1;
2027 pse.io_syscw = -1;
2029 ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
2031 switch (procs[i].ki_stat)
2032 {
2033 case SSTOP: stopped++; break;
2034 case SSLEEP: sleeping++; break;
2035 case SRUN: running++; break;
2036 case SIDL: idle++; break;
2037 case SWAIT: wait++; break;
2038 case SLOCK: blocked++; break;
2039 case SZOMB: zombies++; break;
2040 }
2041 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
2042 }
2044 kvm_close(kd);
2046 ps_submit_state ("running", running);
2047 ps_submit_state ("sleeping", sleeping);
2048 ps_submit_state ("zombies", zombies);
2049 ps_submit_state ("stopped", stopped);
2050 ps_submit_state ("blocked", blocked);
2051 ps_submit_state ("idle", idle);
2052 ps_submit_state ("wait", wait);
2054 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2055 ps_submit_proc_list (ps_ptr);
2056 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
2058 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD
2059 int running = 0;
2060 int sleeping = 0;
2061 int zombies = 0;
2062 int stopped = 0;
2063 int onproc = 0;
2064 int idle = 0;
2065 int dead = 0;
2067 kvm_t *kd;
2068 char errbuf[1024];
2069 struct kinfo_proc *procs; /* array of processes */
2070 struct kinfo_proc *proc_ptr = NULL;
2071 int count; /* returns number of processes */
2072 int i;
2074 procstat_t *ps_ptr;
2075 procstat_entry_t pse;
2077 ps_list_reset ();
2079 /* Open the kvm interface, get a descriptor */
2080 kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
2081 if (kd == NULL)
2082 {
2083 ERROR ("processes plugin: Cannot open kvm interface: %s",
2084 errbuf);
2085 return (0);
2086 }
2088 /* Get the list of processes. */
2089 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
2090 if (procs == NULL)
2091 {
2092 ERROR ("processes plugin: Cannot get kvm processes list: %s",
2093 kvm_geterr(kd));
2094 kvm_close (kd);
2095 return (0);
2096 }
2098 /* Iterate through the processes in kinfo_proc */
2099 for (i = 0; i < count; i++)
2100 {
2101 /* Create only one process list entry per _process_, i.e.
2102 * filter out threads (duplicate PID entries). */
2103 if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid))
2104 {
2105 char cmdline[CMDLINE_BUFFER_SIZE] = "";
2106 _Bool have_cmdline = 0;
2108 proc_ptr = &(procs[i]);
2109 /* Don't probe zombie processes */
2110 if (!P_ZOMBIE(proc_ptr))
2111 {
2112 char **argv;
2113 int argc;
2114 int status;
2116 /* retrieve the arguments */
2117 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
2118 argc = 0;
2119 if ((argv != NULL) && (argv[0] != NULL))
2120 {
2121 while (argv[argc] != NULL)
2122 argc++;
2124 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
2125 if (status < 0)
2126 WARNING ("processes plugin: Command line did not fit into buffer.");
2127 else
2128 have_cmdline = 1;
2129 }
2130 } /* if (process has argument list) */
2132 memset (&pse, 0, sizeof (pse));
2133 pse.id = procs[i].p_pid;
2134 pse.age = 0;
2136 pse.num_proc = 1;
2137 pse.num_lwp = 1; /* XXX: accumulate p_tid values for a single p_pid ? */
2139 pse.vmem_rss = procs[i].p_vm_rssize * pagesize;
2140 pse.vmem_data = procs[i].p_vm_dsize * pagesize;
2141 pse.vmem_code = procs[i].p_vm_tsize * pagesize;
2142 pse.stack_size = procs[i].p_vm_ssize * pagesize;
2143 pse.vmem_size = pse.stack_size + pse.vmem_code + pse.vmem_data;
2144 pse.vmem_minflt = 0;
2145 pse.vmem_minflt_counter = procs[i].p_uru_minflt;
2146 pse.vmem_majflt = 0;
2147 pse.vmem_majflt_counter = procs[i].p_uru_majflt;
2149 pse.cpu_user = 0;
2150 pse.cpu_system = 0;
2151 pse.cpu_user_counter = procs[i].p_uutime_usec +
2152 (1000000lu * procs[i].p_uutime_sec);
2153 pse.cpu_system_counter = procs[i].p_ustime_usec +
2154 (1000000lu * procs[i].p_ustime_sec);
2156 /* no I/O data */
2157 pse.io_rchar = -1;
2158 pse.io_wchar = -1;
2159 pse.io_syscr = -1;
2160 pse.io_syscw = -1;
2162 pse.cswitch_vol = -1;
2163 pse.cswitch_invol = -1;
2165 ps_list_add (procs[i].p_comm, have_cmdline ? cmdline : NULL, &pse);
2167 switch (procs[i].p_stat)
2168 {
2169 case SSTOP: stopped++; break;
2170 case SSLEEP: sleeping++; break;
2171 case SRUN: running++; break;
2172 case SIDL: idle++; break;
2173 case SONPROC: onproc++; break;
2174 case SDEAD: dead++; break;
2175 case SZOMB: zombies++; break;
2176 }
2177 } /* if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) */
2178 }
2180 kvm_close(kd);
2182 ps_submit_state ("running", running);
2183 ps_submit_state ("sleeping", sleeping);
2184 ps_submit_state ("zombies", zombies);
2185 ps_submit_state ("stopped", stopped);
2186 ps_submit_state ("onproc", onproc);
2187 ps_submit_state ("idle", idle);
2188 ps_submit_state ("dead", dead);
2190 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2191 ps_submit_proc_list (ps_ptr);
2192 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD */
2194 #elif HAVE_PROCINFO_H
2195 /* AIX */
2196 int running = 0;
2197 int sleeping = 0;
2198 int zombies = 0;
2199 int stopped = 0;
2200 int paging = 0;
2201 int blocked = 0;
2203 pid_t pindex = 0;
2204 int nprocs;
2206 procstat_t *ps;
2207 procstat_entry_t pse;
2209 ps_list_reset ();
2210 while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
2211 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
2212 &pindex, MAXPROCENTRY)) > 0)
2213 {
2214 int i;
2216 for (i = 0; i < nprocs; i++)
2217 {
2218 tid64_t thindex;
2219 int nthreads;
2220 char arglist[MAXARGLN+1];
2221 char *cargs;
2222 char *cmdline;
2224 if (procentry[i].pi_state == SNONE) continue;
2225 /* if (procentry[i].pi_state == SZOMB) FIXME */
2227 cmdline = procentry[i].pi_comm;
2228 cargs = procentry[i].pi_comm;
2229 if ( procentry[i].pi_flags & SKPROC )
2230 {
2231 if (procentry[i].pi_pid == 0)
2232 cmdline = "swapper";
2233 cargs = cmdline;
2234 }
2235 else
2236 {
2237 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
2238 {
2239 int n;
2241 n = -1;
2242 while (++n < MAXARGLN)
2243 {
2244 if (arglist[n] == '\0')
2245 {
2246 if (arglist[n+1] == '\0')
2247 break;
2248 arglist[n] = ' ';
2249 }
2250 }
2251 cargs = arglist;
2252 }
2253 }
2255 pse.id = procentry[i].pi_pid;
2256 pse.age = 0;
2257 pse.num_lwp = procentry[i].pi_thcount;
2258 pse.num_proc = 1;
2260 thindex=0;
2261 while ((nthreads = getthrds64(procentry[i].pi_pid,
2262 thrdentry, sizeof(struct thrdentry64),
2263 &thindex, MAXTHRDENTRY)) > 0)
2264 {
2265 int j;
2267 for (j=0; j< nthreads; j++)
2268 {
2269 switch (thrdentry[j].ti_state)
2270 {
2271 /* case TSNONE: break; */
2272 case TSIDL: blocked++; break; /* FIXME is really blocked */
2273 case TSRUN: running++; break;
2274 case TSSLEEP: sleeping++; break;
2275 case TSSWAP: paging++; break;
2276 case TSSTOP: stopped++; break;
2277 case TSZOMB: zombies++; break;
2278 }
2279 }
2280 if (nthreads < MAXTHRDENTRY)
2281 break;
2282 }
2284 pse.cpu_user = 0;
2285 /* tv_usec is nanosec ??? */
2286 pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2287 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2289 pse.cpu_system = 0;
2290 /* tv_usec is nanosec ??? */
2291 pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2292 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2294 pse.vmem_minflt = 0;
2295 pse.vmem_minflt_counter = procentry[i].pi_minflt;
2296 pse.vmem_majflt = 0;
2297 pse.vmem_majflt_counter = procentry[i].pi_majflt;
2299 pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2300 pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2301 /* Not supported */
2302 pse.vmem_data = 0;
2303 pse.vmem_code = 0;
2304 pse.stack_size = 0;
2306 pse.io_rchar = -1;
2307 pse.io_wchar = -1;
2308 pse.io_syscr = -1;
2309 pse.io_syscw = -1;
2311 ps_list_add (cmdline, cargs, &pse);
2312 } /* for (i = 0 .. nprocs) */
2314 if (nprocs < MAXPROCENTRY)
2315 break;
2316 } /* while (getprocs64() > 0) */
2317 ps_submit_state ("running", running);
2318 ps_submit_state ("sleeping", sleeping);
2319 ps_submit_state ("zombies", zombies);
2320 ps_submit_state ("stopped", stopped);
2321 ps_submit_state ("paging", paging);
2322 ps_submit_state ("blocked", blocked);
2324 for (ps = list_head_g; ps != NULL; ps = ps->next)
2325 ps_submit_proc_list (ps);
2326 /* #endif HAVE_PROCINFO_H */
2328 #elif KERNEL_SOLARIS
2329 /*
2330 * The Solaris section adds a few more process states and removes some
2331 * process states compared to linux. Most notably there is no "PAGING"
2332 * and "BLOCKED" state for a process. The rest is similar to the linux
2333 * code.
2334 */
2335 int running = 0;
2336 int sleeping = 0;
2337 int zombies = 0;
2338 int stopped = 0;
2339 int detached = 0;
2340 int daemon = 0;
2341 int system = 0;
2342 int orphan = 0;
2344 struct dirent *ent;
2345 DIR *proc;
2347 int status;
2348 procstat_t *ps_ptr;
2349 char state;
2351 char cmdline[PRARGSZ];
2353 ps_list_reset ();
2355 proc = opendir ("/proc");
2356 if (proc == NULL)
2357 return (-1);
2359 while ((ent = readdir(proc)) != NULL)
2360 {
2361 long pid;
2362 struct procstat ps;
2363 procstat_entry_t pse;
2364 char *endptr;
2366 if (!isdigit ((int) ent->d_name[0]))
2367 continue;
2369 pid = strtol (ent->d_name, &endptr, 10);
2370 if (*endptr != 0) /* value didn't completely parse as a number */
2371 continue;
2373 status = ps_read_process (pid, &ps, &state);
2374 if (status != 0)
2375 {
2376 DEBUG("ps_read_process failed: %i", status);
2377 continue;
2378 }
2380 memset (&pse, 0, sizeof (pse));
2381 pse.id = pid;
2382 pse.age = 0;
2384 pse.num_proc = ps.num_proc;
2385 pse.num_lwp = ps.num_lwp;
2386 pse.vmem_size = ps.vmem_size;
2387 pse.vmem_rss = ps.vmem_rss;
2388 pse.vmem_data = ps.vmem_data;
2389 pse.vmem_code = ps.vmem_code;
2390 pse.stack_size = ps.stack_size;
2392 pse.vmem_minflt = 0;
2393 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2394 pse.vmem_majflt = 0;
2395 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2397 pse.cpu_user = 0;
2398 pse.cpu_user_counter = ps.cpu_user_counter;
2399 pse.cpu_system = 0;
2400 pse.cpu_system_counter = ps.cpu_system_counter;
2402 pse.io_rchar = ps.io_rchar;
2403 pse.io_wchar = ps.io_wchar;
2404 pse.io_syscr = ps.io_syscr;
2405 pse.io_syscw = ps.io_syscw;
2407 pse.cswitch_vol = -1;
2408 pse.cswitch_invol = -1;
2410 switch (state)
2411 {
2412 case 'R': running++; break;
2413 case 'S': sleeping++; break;
2414 case 'E': detached++; break;
2415 case 'Z': zombies++; break;
2416 case 'T': stopped++; break;
2417 case 'A': daemon++; break;
2418 case 'Y': system++; break;
2419 case 'O': orphan++; break;
2420 }
2423 ps_list_add (ps.name,
2424 ps_get_cmdline (pid, cmdline, sizeof (cmdline)),
2425 &pse);
2426 } /* while(readdir) */
2427 closedir (proc);
2429 ps_submit_state ("running", running);
2430 ps_submit_state ("sleeping", sleeping);
2431 ps_submit_state ("zombies", zombies);
2432 ps_submit_state ("stopped", stopped);
2433 ps_submit_state ("detached", detached);
2434 ps_submit_state ("daemon", daemon);
2435 ps_submit_state ("system", system);
2436 ps_submit_state ("orphan", orphan);
2438 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2439 ps_submit_proc_list (ps_ptr);
2441 read_fork_rate();
2442 #endif /* KERNEL_SOLARIS */
2444 return (0);
2445 } /* int ps_read */
2447 void module_register (void)
2448 {
2449 plugin_register_complex_config ("processes", ps_config);
2450 plugin_register_init ("processes", ps_init);
2451 plugin_register_read ("processes", ps_read);
2452 } /* void module_register */