059f9eba812613e48411d619e561de76dded81f0
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, "ps_cswitch_vol", sizeof (vl.type));
766 vl.values[0].derive = ps->cswitch_vol;
767 vl.values_len = 1;
768 plugin_dispatch_values (&vl);
770 sstrncpy (vl.type, "ps_cswitch_invol", sizeof (vl.type));
771 vl.values[0].derive = ps->cswitch_invol;
772 vl.values_len = 1;
773 plugin_dispatch_values (&vl);
774 }
776 DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
777 "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
778 "vmem_code = %lu; "
779 "vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
780 "cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
781 "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
782 "io_syscr = %"PRIi64"; io_syscw = %"PRIi64"; "
783 "cswitch_vol = %"PRIi64"; cswitch_invol = %"PRIi64";",
784 ps->name, ps->num_proc, ps->num_lwp,
785 ps->vmem_size, ps->vmem_rss,
786 ps->vmem_data, ps->vmem_code,
787 ps->vmem_minflt_counter, ps->vmem_majflt_counter,
788 ps->cpu_user_counter, ps->cpu_system_counter,
789 ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw,
790 ps->cswitch_vol, ps->cswitch_invol);
791 } /* void ps_submit_proc_list */
793 #if KERNEL_LINUX || KERNEL_SOLARIS
794 static void ps_submit_fork_rate (derive_t value)
795 {
796 value_t values[1];
797 value_list_t vl = VALUE_LIST_INIT;
799 values[0].derive = value;
801 vl.values = values;
802 vl.values_len = 1;
803 sstrncpy(vl.host, hostname_g, sizeof (vl.host));
804 sstrncpy(vl.plugin, "processes", sizeof (vl.plugin));
805 sstrncpy(vl.plugin_instance, "", sizeof (vl.plugin_instance));
806 sstrncpy(vl.type, "fork_rate", sizeof (vl.type));
807 sstrncpy(vl.type_instance, "", sizeof (vl.type_instance));
809 plugin_dispatch_values(&vl);
810 }
811 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
813 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
814 #if KERNEL_LINUX
815 static procstat_t *ps_read_tasks_status (int pid, procstat_t *ps)
816 {
817 char dirname[64];
818 DIR *dh;
819 char filename[64];
820 FILE *fh;
821 struct dirent *ent;
822 unsigned long long cswitch_vol = 0;
823 unsigned long long cswitch_invol = 0;
824 char buffer[1024];
825 char *fields[8];
826 int numfields;
828 ssnprintf (dirname, sizeof (dirname), "/proc/%i/task", pid);
830 if ((dh = opendir (dirname)) == NULL)
831 {
832 DEBUG ("Failed to open directory `%s'", dirname);
833 return (NULL);
834 }
836 while ((ent = readdir (dh)) != NULL)
837 {
838 char *tpid;
840 if (!isdigit ((int) ent->d_name[0]))
841 continue;
843 tpid = ent->d_name;
845 ssnprintf (filename, sizeof (filename), "/proc/%i/task/%s/status", pid, tpid);
846 if ((fh = fopen (filename, "r")) == NULL)
847 {
848 DEBUG ("Failed to open file `%s'", filename);
849 continue;
850 }
852 while (fgets (buffer, sizeof(buffer), fh) != NULL)
853 {
854 long long tmp;
855 char *endptr;
857 if (strncmp (buffer, "voluntary_ctxt_switches", 23) != 0
858 && strncmp (buffer, "nonvoluntary_ctxt_switches", 26) != 0)
859 continue;
861 numfields = strsplit (buffer, fields,
862 STATIC_ARRAY_SIZE (fields));
864 if (numfields < 2)
865 continue;
867 errno = 0;
868 endptr = NULL;
869 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
870 if ((errno == 0) && (endptr != fields[1]))
871 {
872 if (strncmp (buffer, "voluntary_ctxt_switches", 23) == 0)
873 {
874 cswitch_vol += tmp;
875 }
876 else if (strncmp (buffer, "nonvoluntary_ctxt_switches", 26) == 0)
877 {
878 cswitch_invol += tmp;
879 }
880 }
881 } /* while (fgets) */
883 if (fclose (fh))
884 {
885 char errbuf[1024];
886 WARNING ("processes: fclose: %s",
887 sstrerror (errno, errbuf, sizeof (errbuf)));
888 }
889 }
890 closedir (dh);
892 ps->cswitch_vol = cswitch_vol;
893 ps->cswitch_invol = cswitch_invol;
895 return (ps);
896 } /* int *ps_read_tasks_status */
898 static int ps_read_tasks (int pid)
899 {
900 char dirname[64];
901 DIR *dh;
902 struct dirent *ent;
903 int count = 0;
905 ssnprintf (dirname, sizeof (dirname), "/proc/%i/task", pid);
907 if ((dh = opendir (dirname)) == NULL)
908 {
909 DEBUG ("Failed to open directory `%s'", dirname);
910 return (-1);
911 }
913 while ((ent = readdir (dh)) != NULL)
914 {
915 if (!isdigit ((int) ent->d_name[0]))
916 continue;
917 else
918 count++;
919 }
920 closedir (dh);
922 return ((count >= 1) ? count : 1);
923 } /* int *ps_read_tasks */
925 /* Read advanced virtual memory data from /proc/pid/status */
926 static procstat_t *ps_read_vmem (int pid, procstat_t *ps)
927 {
928 FILE *fh;
929 char buffer[1024];
930 char filename[64];
931 unsigned long long lib = 0;
932 unsigned long long exe = 0;
933 unsigned long long data = 0;
934 char *fields[8];
935 int numfields;
937 ssnprintf (filename, sizeof (filename), "/proc/%i/status", pid);
938 if ((fh = fopen (filename, "r")) == NULL)
939 return (NULL);
941 while (fgets (buffer, sizeof(buffer), fh) != NULL)
942 {
943 long long tmp;
944 char *endptr;
946 if (strncmp (buffer, "Vm", 2) != 0)
947 continue;
949 numfields = strsplit (buffer, fields,
950 STATIC_ARRAY_SIZE (fields));
952 if (numfields < 2)
953 continue;
955 errno = 0;
956 endptr = NULL;
957 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
958 if ((errno == 0) && (endptr != fields[1]))
959 {
960 if (strncmp (buffer, "VmData", 6) == 0)
961 {
962 data = tmp;
963 }
964 else if (strncmp (buffer, "VmLib", 5) == 0)
965 {
966 lib = tmp;
967 }
968 else if (strncmp(buffer, "VmExe", 5) == 0)
969 {
970 exe = tmp;
971 }
972 }
973 } /* while (fgets) */
975 if (fclose (fh))
976 {
977 char errbuf[1024];
978 WARNING ("processes: fclose: %s",
979 sstrerror (errno, errbuf, sizeof (errbuf)));
980 }
982 ps->vmem_data = data * 1024;
983 ps->vmem_code = (exe + lib) * 1024;
985 return (ps);
986 } /* procstat_t *ps_read_vmem */
988 static procstat_t *ps_read_io (int pid, procstat_t *ps)
989 {
990 FILE *fh;
991 char buffer[1024];
992 char filename[64];
994 char *fields[8];
995 int numfields;
997 ssnprintf (filename, sizeof (filename), "/proc/%i/io", pid);
998 if ((fh = fopen (filename, "r")) == NULL)
999 return (NULL);
1001 while (fgets (buffer, sizeof (buffer), fh) != NULL)
1002 {
1003 derive_t *val = NULL;
1004 long long tmp;
1005 char *endptr;
1007 if (strncasecmp (buffer, "rchar:", 6) == 0)
1008 val = &(ps->io_rchar);
1009 else if (strncasecmp (buffer, "wchar:", 6) == 0)
1010 val = &(ps->io_wchar);
1011 else if (strncasecmp (buffer, "syscr:", 6) == 0)
1012 val = &(ps->io_syscr);
1013 else if (strncasecmp (buffer, "syscw:", 6) == 0)
1014 val = &(ps->io_syscw);
1015 else
1016 continue;
1018 numfields = strsplit (buffer, fields,
1019 STATIC_ARRAY_SIZE (fields));
1021 if (numfields < 2)
1022 continue;
1024 errno = 0;
1025 endptr = NULL;
1026 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
1027 if ((errno != 0) || (endptr == fields[1]))
1028 *val = -1;
1029 else
1030 *val = (derive_t) tmp;
1031 } /* while (fgets) */
1033 if (fclose (fh))
1034 {
1035 char errbuf[1024];
1036 WARNING ("processes: fclose: %s",
1037 sstrerror (errno, errbuf, sizeof (errbuf)));
1038 }
1040 return (ps);
1041 } /* procstat_t *ps_read_io */
1043 int ps_read_process (int pid, procstat_t *ps, char *state)
1044 {
1045 char filename[64];
1046 char buffer[1024];
1048 char *fields[64];
1049 char fields_len;
1051 int buffer_len;
1053 char *buffer_ptr;
1054 size_t name_start_pos;
1055 size_t name_end_pos;
1056 size_t name_len;
1058 derive_t cpu_user_counter;
1059 derive_t cpu_system_counter;
1060 long long unsigned vmem_size;
1061 long long unsigned vmem_rss;
1062 long long unsigned stack_size;
1064 memset (ps, 0, sizeof (procstat_t));
1066 ssnprintf (filename, sizeof (filename), "/proc/%i/stat", pid);
1068 buffer_len = read_file_contents (filename,
1069 buffer, sizeof(buffer) - 1);
1070 if (buffer_len <= 0)
1071 return (-1);
1072 buffer[buffer_len] = 0;
1074 /* The name of the process is enclosed in parens. Since the name can
1075 * contain parens itself, spaces, numbers and pretty much everything
1076 * else, use these to determine the process name. We don't use
1077 * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
1078 * otherwise be required to determine name_len. */
1079 name_start_pos = 0;
1080 while ((buffer[name_start_pos] != '(')
1081 && (name_start_pos < buffer_len))
1082 name_start_pos++;
1084 name_end_pos = buffer_len;
1085 while ((buffer[name_end_pos] != ')')
1086 && (name_end_pos > 0))
1087 name_end_pos--;
1089 /* Either '(' or ')' is not found or they are in the wrong order.
1090 * Anyway, something weird that shouldn't happen ever. */
1091 if (name_start_pos >= name_end_pos)
1092 {
1093 ERROR ("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
1094 name_start_pos, name_end_pos);
1095 return (-1);
1096 }
1098 name_len = (name_end_pos - name_start_pos) - 1;
1099 if (name_len >= sizeof (ps->name))
1100 name_len = sizeof (ps->name) - 1;
1102 sstrncpy (ps->name, &buffer[name_start_pos + 1], name_len + 1);
1104 if ((buffer_len - name_end_pos) < 2)
1105 return (-1);
1106 buffer_ptr = &buffer[name_end_pos + 2];
1108 fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
1109 if (fields_len < 22)
1110 {
1111 DEBUG ("processes plugin: ps_read_process (pid = %i):"
1112 " `%s' has only %i fields..",
1113 (int) pid, filename, fields_len);
1114 return (-1);
1115 }
1117 *state = fields[0][0];
1119 if (*state == 'Z')
1120 {
1121 ps->num_lwp = 0;
1122 ps->num_proc = 0;
1123 }
1124 else
1125 {
1126 if ( (ps->num_lwp = ps_read_tasks (pid)) == -1 )
1127 {
1128 /* returns -1 => kernel 2.4 */
1129 ps->num_lwp = 1;
1130 }
1131 ps->num_proc = 1;
1132 }
1134 /* Leave the rest at zero if this is only a zombi */
1135 if (ps->num_proc == 0)
1136 {
1137 DEBUG ("processes plugin: This is only a zombi: pid = %i; "
1138 "name = %s;", pid, ps->name);
1139 return (0);
1140 }
1142 cpu_user_counter = atoll (fields[11]);
1143 cpu_system_counter = atoll (fields[12]);
1144 vmem_size = atoll (fields[20]);
1145 vmem_rss = atoll (fields[21]);
1146 ps->vmem_minflt_counter = atol (fields[7]);
1147 ps->vmem_majflt_counter = atol (fields[9]);
1149 {
1150 unsigned long long stack_start = atoll (fields[25]);
1151 unsigned long long stack_ptr = atoll (fields[26]);
1153 stack_size = (stack_start > stack_ptr)
1154 ? stack_start - stack_ptr
1155 : stack_ptr - stack_start;
1156 }
1158 /* Convert jiffies to useconds */
1159 cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
1160 cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1161 vmem_rss = vmem_rss * pagesize_g;
1163 if ( (ps_read_vmem(pid, ps)) == NULL)
1164 {
1165 /* No VMem data */
1166 ps->vmem_data = -1;
1167 ps->vmem_code = -1;
1168 DEBUG("ps_read_process: did not get vmem data for pid %i",pid);
1169 }
1171 ps->cpu_user_counter = cpu_user_counter;
1172 ps->cpu_system_counter = cpu_system_counter;
1173 ps->vmem_size = (unsigned long) vmem_size;
1174 ps->vmem_rss = (unsigned long) vmem_rss;
1175 ps->stack_size = (unsigned long) stack_size;
1177 if ( (ps_read_io (pid, ps)) == NULL)
1178 {
1179 /* no io data */
1180 ps->io_rchar = -1;
1181 ps->io_wchar = -1;
1182 ps->io_syscr = -1;
1183 ps->io_syscw = -1;
1185 DEBUG("ps_read_process: not get io data for pid %i",pid);
1186 }
1188 if ( report_ctx_switch )
1189 {
1190 if ( (ps_read_tasks_status(pid, ps)) == NULL)
1191 {
1192 ps->cswitch_vol = -1;
1193 ps->cswitch_invol = -1;
1195 DEBUG("ps_read_tasks_status: not get context "
1196 "switch data for pid %i",pid);
1197 }
1198 }
1200 /* success */
1201 return (0);
1202 } /* int ps_read_process (...) */
1204 static char *ps_get_cmdline (pid_t pid, char *name, char *buf, size_t buf_len)
1205 {
1206 char *buf_ptr;
1207 size_t len;
1209 char file[PATH_MAX];
1210 int fd;
1212 size_t n;
1214 if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1215 return NULL;
1217 ssnprintf (file, sizeof (file), "/proc/%u/cmdline",
1218 (unsigned int) pid);
1220 errno = 0;
1221 fd = open (file, O_RDONLY);
1222 if (fd < 0) {
1223 char errbuf[4096];
1224 /* ENOENT means the process exited while we were handling it.
1225 * Don't complain about this, it only fills the logs. */
1226 if (errno != ENOENT)
1227 WARNING ("processes plugin: Failed to open `%s': %s.", file,
1228 sstrerror (errno, errbuf, sizeof (errbuf)));
1229 return NULL;
1230 }
1232 buf_ptr = buf;
1233 len = buf_len;
1235 n = 0;
1237 while (42) {
1238 ssize_t status;
1240 status = read (fd, (void *)buf_ptr, len);
1242 if (status < 0) {
1243 char errbuf[1024];
1245 if ((EAGAIN == errno) || (EINTR == errno))
1246 continue;
1248 WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1249 sstrerror (errno, errbuf, sizeof (errbuf)));
1250 close (fd);
1251 return NULL;
1252 }
1254 n += status;
1256 if (status == 0)
1257 break;
1259 buf_ptr += status;
1260 len -= status;
1262 if (len <= 0)
1263 break;
1264 }
1266 close (fd);
1268 if (0 == n) {
1269 /* cmdline not available; e.g. kernel thread, zombie */
1270 if (NULL == name)
1271 return NULL;
1273 ssnprintf (buf, buf_len, "[%s]", name);
1274 return buf;
1275 }
1277 assert (n <= buf_len);
1279 if (n == buf_len)
1280 --n;
1281 buf[n] = '\0';
1283 --n;
1284 /* remove trailing whitespace */
1285 while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1286 buf[n] = '\0';
1287 --n;
1288 }
1290 /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1291 while (n > 0) {
1292 if ('\0' == buf[n])
1293 buf[n] = ' ';
1294 --n;
1295 }
1296 return buf;
1297 } /* char *ps_get_cmdline (...) */
1299 static int read_fork_rate ()
1300 {
1301 FILE *proc_stat;
1302 char buffer[1024];
1303 value_t value;
1304 _Bool value_valid = 0;
1306 proc_stat = fopen ("/proc/stat", "r");
1307 if (proc_stat == NULL)
1308 {
1309 char errbuf[1024];
1310 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1311 sstrerror (errno, errbuf, sizeof (errbuf)));
1312 return (-1);
1313 }
1315 while (fgets (buffer, sizeof (buffer), proc_stat) != NULL)
1316 {
1317 int status;
1318 char *fields[3];
1319 int fields_num;
1321 fields_num = strsplit (buffer, fields,
1322 STATIC_ARRAY_SIZE (fields));
1323 if (fields_num != 2)
1324 continue;
1326 if (strcmp ("processes", fields[0]) != 0)
1327 continue;
1329 status = parse_value (fields[1], &value, DS_TYPE_DERIVE);
1330 if (status == 0)
1331 value_valid = 1;
1333 break;
1334 }
1335 fclose(proc_stat);
1337 if (!value_valid)
1338 return (-1);
1340 ps_submit_fork_rate (value.derive);
1341 return (0);
1342 }
1343 #endif /*KERNEL_LINUX */
1345 #if KERNEL_SOLARIS
1346 static const char *ps_get_cmdline (long pid, /* {{{ */
1347 char *buffer, size_t buffer_size)
1348 {
1349 char path[PATH_MAX];
1350 psinfo_t info;
1351 int status;
1353 snprintf(path, sizeof (path), "/proc/%li/psinfo", pid);
1355 status = read_file_contents (path, (void *) &info, sizeof (info));
1356 if (status != sizeof (info))
1357 {
1358 ERROR ("processes plugin: Unexpected return value "
1359 "while reading \"%s\": "
1360 "Returned %i but expected %zu.",
1361 path, status, buffer_size);
1362 return (NULL);
1363 }
1365 info.pr_psargs[sizeof (info.pr_psargs) - 1] = 0;
1366 sstrncpy (buffer, info.pr_psargs, buffer_size);
1368 return (buffer);
1369 } /* }}} int ps_get_cmdline */
1371 /*
1372 * Reads process information on the Solaris OS. The information comes mainly from
1373 * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1374 * The values for input and ouput chars are calculated "by hand"
1375 * Added a few "solaris" specific process states as well
1376 */
1377 static int ps_read_process(long pid, procstat_t *ps, char *state)
1378 {
1379 char filename[64];
1380 char f_psinfo[64], f_usage[64];
1381 char *buffer;
1383 pstatus_t *myStatus;
1384 psinfo_t *myInfo;
1385 prusage_t *myUsage;
1387 snprintf(filename, sizeof (filename), "/proc/%li/status", pid);
1388 snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%li/psinfo", pid);
1389 snprintf(f_usage, sizeof (f_usage), "/proc/%li/usage", pid);
1392 buffer = malloc(sizeof (pstatus_t));
1393 memset(buffer, 0, sizeof (pstatus_t));
1394 read_file_contents(filename, buffer, sizeof (pstatus_t));
1395 myStatus = (pstatus_t *) buffer;
1397 buffer = malloc(sizeof (psinfo_t));
1398 memset(buffer, 0, sizeof(psinfo_t));
1399 read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1400 myInfo = (psinfo_t *) buffer;
1402 buffer = malloc(sizeof (prusage_t));
1403 memset(buffer, 0, sizeof(prusage_t));
1404 read_file_contents(f_usage, buffer, sizeof (prusage_t));
1405 myUsage = (prusage_t *) buffer;
1407 sstrncpy(ps->name, myInfo->pr_fname, sizeof (myInfo->pr_fname));
1408 ps->num_lwp = myStatus->pr_nlwp;
1409 if (myInfo->pr_wstat != 0) {
1410 ps->num_proc = 0;
1411 ps->num_lwp = 0;
1412 *state = (char) 'Z';
1413 return (0);
1414 } else {
1415 ps->num_proc = 1;
1416 ps->num_lwp = myInfo->pr_nlwp;
1417 }
1419 /*
1420 * Convert system time and user time from nanoseconds to microseconds
1421 * for compatibility with the linux module
1422 */
1423 ps->cpu_system_counter = myStatus -> pr_stime.tv_nsec / 1000;
1424 ps->cpu_user_counter = myStatus -> pr_utime.tv_nsec / 1000;
1426 /*
1427 * Convert rssize from KB to bytes to be consistent w/ the linux module
1428 */
1429 ps->vmem_rss = myInfo->pr_rssize * 1024;
1430 ps->vmem_size = myInfo->pr_size * 1024;
1431 ps->vmem_minflt_counter = myUsage->pr_minf;
1432 ps->vmem_majflt_counter = myUsage->pr_majf;
1434 /*
1435 * TODO: Data and code segment calculations for Solaris
1436 */
1438 ps->vmem_data = -1;
1439 ps->vmem_code = -1;
1440 ps->stack_size = myStatus->pr_stksize;
1442 /*
1443 * Calculating input/ouput chars
1444 * Formula used is total chars / total blocks => chars/block
1445 * then convert input/output blocks to chars
1446 */
1447 ulong_t tot_chars = myUsage->pr_ioch;
1448 ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1449 ulong_t chars_per_block = 1;
1450 if (tot_blocks != 0)
1451 chars_per_block = tot_chars / tot_blocks;
1452 ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1453 ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1454 ps->io_syscr = myUsage->pr_sysc;
1455 ps->io_syscw = myUsage->pr_sysc;
1458 /*
1459 * TODO: Find way of setting BLOCKED and PAGING status
1460 */
1462 *state = (char) 'R';
1463 if (myStatus->pr_flags & PR_ASLEEP)
1464 *state = (char) 'S';
1465 else if (myStatus->pr_flags & PR_STOPPED)
1466 *state = (char) 'T';
1467 else if (myStatus->pr_flags & PR_DETACH)
1468 *state = (char) 'E';
1469 else if (myStatus->pr_flags & PR_DAEMON)
1470 *state = (char) 'A';
1471 else if (myStatus->pr_flags & PR_ISSYS)
1472 *state = (char) 'Y';
1473 else if (myStatus->pr_flags & PR_ORPHAN)
1474 *state = (char) 'O';
1476 sfree(myStatus);
1477 sfree(myInfo);
1478 sfree(myUsage);
1480 return (0);
1481 }
1483 /*
1484 * Reads the number of threads created since the last reboot. On Solaris these
1485 * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1486 * The result is the sum for all the threads created on each cpu
1487 */
1488 static int read_fork_rate()
1489 {
1490 extern kstat_ctl_t *kc;
1491 kstat_t *ksp_chain = NULL;
1492 derive_t result = 0;
1494 if (kc == NULL)
1495 return (-1);
1497 for (ksp_chain = kc->kc_chain;
1498 ksp_chain != NULL;
1499 ksp_chain = ksp_chain->ks_next)
1500 {
1501 if ((strcmp (ksp_chain->ks_module, "cpu") == 0)
1502 && (strcmp (ksp_chain->ks_name, "sys") == 0)
1503 && (strcmp (ksp_chain->ks_class, "misc") == 0))
1504 {
1505 long long tmp;
1507 kstat_read (kc, ksp_chain, NULL);
1509 tmp = get_kstat_value(ksp_chain, "nthreads");
1510 if (tmp != -1LL)
1511 result += tmp;
1512 }
1513 }
1515 ps_submit_fork_rate (result);
1516 return (0);
1517 }
1518 #endif /* KERNEL_SOLARIS */
1520 #if HAVE_THREAD_INFO
1521 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1522 {
1523 int mib[4];
1525 struct kinfo_proc kp;
1526 size_t kp_size;
1528 mib[0] = CTL_KERN;
1529 mib[1] = KERN_PROC;
1530 mib[2] = KERN_PROC_PID;
1532 if (pid_for_task (t, pid) != KERN_SUCCESS)
1533 return (-1);
1534 mib[3] = *pid;
1536 kp_size = sizeof (kp);
1537 if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1538 return (-1);
1540 if (name_max_len > (MAXCOMLEN + 1))
1541 name_max_len = MAXCOMLEN + 1;
1543 strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1544 name[name_max_len - 1] = '\0';
1546 DEBUG ("pid = %i; name = %s;", *pid, name);
1548 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1549 * `top' does it, because it is a lot of work and only used when
1550 * debugging. -octo */
1552 return (0);
1553 }
1554 #endif /* HAVE_THREAD_INFO */
1555 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1557 /* do actual readings from kernel */
1558 static int ps_read (void)
1559 {
1560 #if HAVE_THREAD_INFO
1561 kern_return_t status;
1563 int pset;
1564 processor_set_t port_pset_priv;
1566 int task;
1567 task_array_t task_list;
1568 mach_msg_type_number_t task_list_len;
1570 int task_pid;
1571 char task_name[MAXCOMLEN + 1];
1573 int thread;
1574 thread_act_array_t thread_list;
1575 mach_msg_type_number_t thread_list_len;
1576 thread_basic_info_data_t thread_data;
1577 mach_msg_type_number_t thread_data_len;
1579 int running = 0;
1580 int sleeping = 0;
1581 int zombies = 0;
1582 int stopped = 0;
1583 int blocked = 0;
1585 procstat_t *ps;
1586 procstat_entry_t pse;
1588 ps_list_reset ();
1590 /*
1591 * The Mach-concept is a little different from the traditional UNIX
1592 * concept: All the work is done in threads. Threads are contained in
1593 * `tasks'. Therefore, `task status' doesn't make much sense, since
1594 * it's actually a `thread status'.
1595 * Tasks are assigned to sets of processors, so that's where you go to
1596 * get a list.
1597 */
1598 for (pset = 0; pset < pset_list_len; pset++)
1599 {
1600 if ((status = host_processor_set_priv (port_host_self,
1601 pset_list[pset],
1602 &port_pset_priv)) != KERN_SUCCESS)
1603 {
1604 ERROR ("host_processor_set_priv failed: %s\n",
1605 mach_error_string (status));
1606 continue;
1607 }
1609 if ((status = processor_set_tasks (port_pset_priv,
1610 &task_list,
1611 &task_list_len)) != KERN_SUCCESS)
1612 {
1613 ERROR ("processor_set_tasks failed: %s\n",
1614 mach_error_string (status));
1615 mach_port_deallocate (port_task_self, port_pset_priv);
1616 continue;
1617 }
1619 for (task = 0; task < task_list_len; task++)
1620 {
1621 ps = NULL;
1622 if (mach_get_task_name (task_list[task],
1623 &task_pid,
1624 task_name, PROCSTAT_NAME_LEN) == 0)
1625 {
1626 /* search for at least one match */
1627 for (ps = list_head_g; ps != NULL; ps = ps->next)
1628 /* FIXME: cmdline should be here instead of NULL */
1629 if (ps_list_match (task_name, NULL, ps) == 1)
1630 break;
1631 }
1633 /* Collect more detailed statistics for this process */
1634 if (ps != NULL)
1635 {
1636 task_basic_info_data_t task_basic_info;
1637 mach_msg_type_number_t task_basic_info_len;
1638 task_events_info_data_t task_events_info;
1639 mach_msg_type_number_t task_events_info_len;
1640 task_absolutetime_info_data_t task_absolutetime_info;
1641 mach_msg_type_number_t task_absolutetime_info_len;
1643 memset (&pse, '\0', sizeof (pse));
1644 pse.id = task_pid;
1646 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1647 status = task_info (task_list[task],
1648 TASK_BASIC_INFO,
1649 (task_info_t) &task_basic_info,
1650 &task_basic_info_len);
1651 if (status != KERN_SUCCESS)
1652 {
1653 ERROR ("task_info failed: %s",
1654 mach_error_string (status));
1655 continue; /* with next thread_list */
1656 }
1658 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1659 status = task_info (task_list[task],
1660 TASK_EVENTS_INFO,
1661 (task_info_t) &task_events_info,
1662 &task_events_info_len);
1663 if (status != KERN_SUCCESS)
1664 {
1665 ERROR ("task_info failed: %s",
1666 mach_error_string (status));
1667 continue; /* with next thread_list */
1668 }
1670 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1671 status = task_info (task_list[task],
1672 TASK_ABSOLUTETIME_INFO,
1673 (task_info_t) &task_absolutetime_info,
1674 &task_absolutetime_info_len);
1675 if (status != KERN_SUCCESS)
1676 {
1677 ERROR ("task_info failed: %s",
1678 mach_error_string (status));
1679 continue; /* with next thread_list */
1680 }
1682 pse.num_proc++;
1683 pse.vmem_size = task_basic_info.virtual_size;
1684 pse.vmem_rss = task_basic_info.resident_size;
1685 /* Does not seem to be easily exposed */
1686 pse.vmem_data = 0;
1687 pse.vmem_code = 0;
1689 pse.vmem_minflt_counter = task_events_info.cow_faults;
1690 pse.vmem_majflt_counter = task_events_info.faults;
1692 pse.cpu_user_counter = task_absolutetime_info.total_user;
1693 pse.cpu_system_counter = task_absolutetime_info.total_system;
1694 }
1696 status = task_threads (task_list[task], &thread_list,
1697 &thread_list_len);
1698 if (status != KERN_SUCCESS)
1699 {
1700 /* Apple's `top' treats this case a zombie. It
1701 * makes sense to some extend: A `zombie'
1702 * thread is nonsense, since the task/process
1703 * is dead. */
1704 zombies++;
1705 DEBUG ("task_threads failed: %s",
1706 mach_error_string (status));
1707 if (task_list[task] != port_task_self)
1708 mach_port_deallocate (port_task_self,
1709 task_list[task]);
1710 continue; /* with next task_list */
1711 }
1713 for (thread = 0; thread < thread_list_len; thread++)
1714 {
1715 thread_data_len = THREAD_BASIC_INFO_COUNT;
1716 status = thread_info (thread_list[thread],
1717 THREAD_BASIC_INFO,
1718 (thread_info_t) &thread_data,
1719 &thread_data_len);
1720 if (status != KERN_SUCCESS)
1721 {
1722 ERROR ("thread_info failed: %s",
1723 mach_error_string (status));
1724 if (task_list[task] != port_task_self)
1725 mach_port_deallocate (port_task_self,
1726 thread_list[thread]);
1727 continue; /* with next thread_list */
1728 }
1730 if (ps != NULL)
1731 pse.num_lwp++;
1733 switch (thread_data.run_state)
1734 {
1735 case TH_STATE_RUNNING:
1736 running++;
1737 break;
1738 case TH_STATE_STOPPED:
1739 /* What exactly is `halted'? */
1740 case TH_STATE_HALTED:
1741 stopped++;
1742 break;
1743 case TH_STATE_WAITING:
1744 sleeping++;
1745 break;
1746 case TH_STATE_UNINTERRUPTIBLE:
1747 blocked++;
1748 break;
1749 /* There is no `zombie' case here,
1750 * since there are no zombie-threads.
1751 * There's only zombie tasks, which are
1752 * handled above. */
1753 default:
1754 WARNING ("Unknown thread status: %i",
1755 thread_data.run_state);
1756 break;
1757 } /* switch (thread_data.run_state) */
1759 if (task_list[task] != port_task_self)
1760 {
1761 status = mach_port_deallocate (port_task_self,
1762 thread_list[thread]);
1763 if (status != KERN_SUCCESS)
1764 ERROR ("mach_port_deallocate failed: %s",
1765 mach_error_string (status));
1766 }
1767 } /* for (thread_list) */
1769 if ((status = vm_deallocate (port_task_self,
1770 (vm_address_t) thread_list,
1771 thread_list_len * sizeof (thread_act_t)))
1772 != KERN_SUCCESS)
1773 {
1774 ERROR ("vm_deallocate failed: %s",
1775 mach_error_string (status));
1776 }
1777 thread_list = NULL;
1778 thread_list_len = 0;
1780 /* Only deallocate the task port, if it isn't our own.
1781 * Don't know what would happen in that case, but this
1782 * is what Apple's top does.. ;) */
1783 if (task_list[task] != port_task_self)
1784 {
1785 status = mach_port_deallocate (port_task_self,
1786 task_list[task]);
1787 if (status != KERN_SUCCESS)
1788 ERROR ("mach_port_deallocate failed: %s",
1789 mach_error_string (status));
1790 }
1792 if (ps != NULL)
1793 /* FIXME: cmdline should be here instead of NULL */
1794 ps_list_add (task_name, NULL, &pse);
1795 } /* for (task_list) */
1797 if ((status = vm_deallocate (port_task_self,
1798 (vm_address_t) task_list,
1799 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1800 {
1801 ERROR ("vm_deallocate failed: %s",
1802 mach_error_string (status));
1803 }
1804 task_list = NULL;
1805 task_list_len = 0;
1807 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1808 != KERN_SUCCESS)
1809 {
1810 ERROR ("mach_port_deallocate failed: %s",
1811 mach_error_string (status));
1812 }
1813 } /* for (pset_list) */
1815 ps_submit_state ("running", running);
1816 ps_submit_state ("sleeping", sleeping);
1817 ps_submit_state ("zombies", zombies);
1818 ps_submit_state ("stopped", stopped);
1819 ps_submit_state ("blocked", blocked);
1821 for (ps = list_head_g; ps != NULL; ps = ps->next)
1822 ps_submit_proc_list (ps);
1823 /* #endif HAVE_THREAD_INFO */
1825 #elif KERNEL_LINUX
1826 int running = 0;
1827 int sleeping = 0;
1828 int zombies = 0;
1829 int stopped = 0;
1830 int paging = 0;
1831 int blocked = 0;
1833 struct dirent *ent;
1834 DIR *proc;
1835 int pid;
1837 char cmdline[CMDLINE_BUFFER_SIZE];
1839 int status;
1840 procstat_t ps;
1841 procstat_entry_t pse;
1842 char state;
1844 procstat_t *ps_ptr;
1846 running = sleeping = zombies = stopped = paging = blocked = 0;
1847 ps_list_reset ();
1849 if ((proc = opendir ("/proc")) == NULL)
1850 {
1851 char errbuf[1024];
1852 ERROR ("Cannot open `/proc': %s",
1853 sstrerror (errno, errbuf, sizeof (errbuf)));
1854 return (-1);
1855 }
1857 while ((ent = readdir (proc)) != NULL)
1858 {
1859 if (!isdigit (ent->d_name[0]))
1860 continue;
1862 if ((pid = atoi (ent->d_name)) < 1)
1863 continue;
1865 status = ps_read_process (pid, &ps, &state);
1866 if (status != 0)
1867 {
1868 DEBUG ("ps_read_process failed: %i", status);
1869 continue;
1870 }
1872 pse.id = pid;
1873 pse.age = 0;
1875 pse.num_proc = ps.num_proc;
1876 pse.num_lwp = ps.num_lwp;
1877 pse.vmem_size = ps.vmem_size;
1878 pse.vmem_rss = ps.vmem_rss;
1879 pse.vmem_data = ps.vmem_data;
1880 pse.vmem_code = ps.vmem_code;
1881 pse.stack_size = ps.stack_size;
1883 pse.vmem_minflt = 0;
1884 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1885 pse.vmem_majflt = 0;
1886 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1888 pse.cpu_user = 0;
1889 pse.cpu_user_counter = ps.cpu_user_counter;
1890 pse.cpu_system = 0;
1891 pse.cpu_system_counter = ps.cpu_system_counter;
1893 pse.io_rchar = ps.io_rchar;
1894 pse.io_wchar = ps.io_wchar;
1895 pse.io_syscr = ps.io_syscr;
1896 pse.io_syscw = ps.io_syscw;
1898 pse.cswitch_vol = ps.cswitch_vol;
1899 pse.cswitch_invol = ps.cswitch_invol;
1901 switch (state)
1902 {
1903 case 'R': running++; break;
1904 case 'S': sleeping++; break;
1905 case 'D': blocked++; break;
1906 case 'Z': zombies++; break;
1907 case 'T': stopped++; break;
1908 case 'W': paging++; break;
1909 }
1911 ps_list_add (ps.name,
1912 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1913 &pse);
1914 }
1916 closedir (proc);
1918 ps_submit_state ("running", running);
1919 ps_submit_state ("sleeping", sleeping);
1920 ps_submit_state ("zombies", zombies);
1921 ps_submit_state ("stopped", stopped);
1922 ps_submit_state ("paging", paging);
1923 ps_submit_state ("blocked", blocked);
1925 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1926 ps_submit_proc_list (ps_ptr);
1928 read_fork_rate();
1929 /* #endif KERNEL_LINUX */
1931 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1932 int running = 0;
1933 int sleeping = 0;
1934 int zombies = 0;
1935 int stopped = 0;
1936 int blocked = 0;
1937 int idle = 0;
1938 int wait = 0;
1940 kvm_t *kd;
1941 char errbuf[_POSIX2_LINE_MAX];
1942 struct kinfo_proc *procs; /* array of processes */
1943 struct kinfo_proc *proc_ptr = NULL;
1944 int count; /* returns number of processes */
1945 int i;
1947 procstat_t *ps_ptr;
1948 procstat_entry_t pse;
1950 ps_list_reset ();
1952 /* Open the kvm interface, get a descriptor */
1953 kd = kvm_openfiles (NULL, "/dev/null", NULL, 0, errbuf);
1954 if (kd == NULL)
1955 {
1956 ERROR ("processes plugin: Cannot open kvm interface: %s",
1957 errbuf);
1958 return (0);
1959 }
1961 /* Get the list of processes. */
1962 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1963 if (procs == NULL)
1964 {
1965 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1966 kvm_geterr(kd));
1967 kvm_close (kd);
1968 return (0);
1969 }
1971 /* Iterate through the processes in kinfo_proc */
1972 for (i = 0; i < count; i++)
1973 {
1974 /* Create only one process list entry per _process_, i.e.
1975 * filter out threads (duplicate PID entries). */
1976 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1977 {
1978 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1979 _Bool have_cmdline = 0;
1981 proc_ptr = &(procs[i]);
1982 /* Don't probe system processes and processes without arguments */
1983 if (((procs[i].ki_flag & P_SYSTEM) == 0)
1984 && (procs[i].ki_args != NULL))
1985 {
1986 char **argv;
1987 int argc;
1988 int status;
1990 /* retrieve the arguments */
1991 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1992 argc = 0;
1993 if ((argv != NULL) && (argv[0] != NULL))
1994 {
1995 while (argv[argc] != NULL)
1996 argc++;
1998 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1999 if (status < 0)
2000 WARNING ("processes plugin: Command line did not fit into buffer.");
2001 else
2002 have_cmdline = 1;
2003 }
2004 } /* if (process has argument list) */
2006 pse.id = procs[i].ki_pid;
2007 pse.age = 0;
2009 pse.num_proc = 1;
2010 pse.num_lwp = procs[i].ki_numthreads;
2012 pse.vmem_size = procs[i].ki_size;
2013 pse.vmem_rss = procs[i].ki_rssize * pagesize;
2014 pse.vmem_data = procs[i].ki_dsize * pagesize;
2015 pse.vmem_code = procs[i].ki_tsize * pagesize;
2016 pse.stack_size = procs[i].ki_ssize * pagesize;
2017 pse.vmem_minflt = 0;
2018 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
2019 pse.vmem_majflt = 0;
2020 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
2022 pse.cpu_user = 0;
2023 pse.cpu_system = 0;
2024 pse.cpu_user_counter = 0;
2025 pse.cpu_system_counter = 0;
2026 /*
2027 * The u-area might be swapped out, and we can't get
2028 * at it because we have a crashdump and no swap.
2029 * If it's here fill in these fields, otherwise, just
2030 * leave them 0.
2031 */
2032 if (procs[i].ki_flag & P_INMEM)
2033 {
2034 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
2035 + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
2036 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
2037 + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
2038 }
2040 /* no I/O data */
2041 pse.io_rchar = -1;
2042 pse.io_wchar = -1;
2043 pse.io_syscr = -1;
2044 pse.io_syscw = -1;
2046 ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
2047 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
2049 switch (procs[i].ki_stat)
2050 {
2051 case SSTOP: stopped++; break;
2052 case SSLEEP: sleeping++; break;
2053 case SRUN: running++; break;
2054 case SIDL: idle++; break;
2055 case SWAIT: wait++; break;
2056 case SLOCK: blocked++; break;
2057 case SZOMB: zombies++; break;
2058 }
2059 }
2061 kvm_close(kd);
2063 ps_submit_state ("running", running);
2064 ps_submit_state ("sleeping", sleeping);
2065 ps_submit_state ("zombies", zombies);
2066 ps_submit_state ("stopped", stopped);
2067 ps_submit_state ("blocked", blocked);
2068 ps_submit_state ("idle", idle);
2069 ps_submit_state ("wait", wait);
2071 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2072 ps_submit_proc_list (ps_ptr);
2073 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
2075 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD
2076 int running = 0;
2077 int sleeping = 0;
2078 int zombies = 0;
2079 int stopped = 0;
2080 int onproc = 0;
2081 int idle = 0;
2082 int dead = 0;
2084 kvm_t *kd;
2085 char errbuf[1024];
2086 struct kinfo_proc *procs; /* array of processes */
2087 struct kinfo_proc *proc_ptr = NULL;
2088 int count; /* returns number of processes */
2089 int i;
2091 procstat_t *ps_ptr;
2092 procstat_entry_t pse;
2094 ps_list_reset ();
2096 /* Open the kvm interface, get a descriptor */
2097 kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
2098 if (kd == NULL)
2099 {
2100 ERROR ("processes plugin: Cannot open kvm interface: %s",
2101 errbuf);
2102 return (0);
2103 }
2105 /* Get the list of processes. */
2106 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
2107 if (procs == NULL)
2108 {
2109 ERROR ("processes plugin: Cannot get kvm processes list: %s",
2110 kvm_geterr(kd));
2111 kvm_close (kd);
2112 return (0);
2113 }
2115 /* Iterate through the processes in kinfo_proc */
2116 for (i = 0; i < count; i++)
2117 {
2118 /* Create only one process list entry per _process_, i.e.
2119 * filter out threads (duplicate PID entries). */
2120 if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid))
2121 {
2122 char cmdline[CMDLINE_BUFFER_SIZE] = "";
2123 _Bool have_cmdline = 0;
2125 proc_ptr = &(procs[i]);
2126 /* Don't probe zombie processes */
2127 if (!P_ZOMBIE(proc_ptr))
2128 {
2129 char **argv;
2130 int argc;
2131 int status;
2133 /* retrieve the arguments */
2134 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
2135 argc = 0;
2136 if ((argv != NULL) && (argv[0] != NULL))
2137 {
2138 while (argv[argc] != NULL)
2139 argc++;
2141 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
2142 if (status < 0)
2143 WARNING ("processes plugin: Command line did not fit into buffer.");
2144 else
2145 have_cmdline = 1;
2146 }
2147 } /* if (process has argument list) */
2149 pse.id = procs[i].p_pid;
2150 pse.age = 0;
2152 pse.num_proc = 1;
2153 pse.num_lwp = 1; /* XXX: accumulate p_tid values for a single p_pid ? */
2155 pse.vmem_rss = procs[i].p_vm_rssize * pagesize;
2156 pse.vmem_data = procs[i].p_vm_dsize * pagesize;
2157 pse.vmem_code = procs[i].p_vm_tsize * pagesize;
2158 pse.stack_size = procs[i].p_vm_ssize * pagesize;
2159 pse.vmem_size = pse.stack_size + pse.vmem_code + pse.vmem_data;
2160 pse.vmem_minflt = 0;
2161 pse.vmem_minflt_counter = procs[i].p_uru_minflt;
2162 pse.vmem_majflt = 0;
2163 pse.vmem_majflt_counter = procs[i].p_uru_majflt;
2165 pse.cpu_user = 0;
2166 pse.cpu_system = 0;
2167 pse.cpu_user_counter = procs[i].p_uutime_usec +
2168 (1000000lu * procs[i].p_uutime_sec);
2169 pse.cpu_system_counter = procs[i].p_ustime_usec +
2170 (1000000lu * procs[i].p_ustime_sec);
2172 /* no I/O data */
2173 pse.io_rchar = -1;
2174 pse.io_wchar = -1;
2175 pse.io_syscr = -1;
2176 pse.io_syscw = -1;
2178 ps_list_add (procs[i].p_comm, have_cmdline ? cmdline : NULL, &pse);
2179 } /* if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) */
2181 switch (procs[i].p_stat)
2182 {
2183 case SSTOP: stopped++; break;
2184 case SSLEEP: sleeping++; break;
2185 case SRUN: running++; break;
2186 case SIDL: idle++; break;
2187 case SONPROC: onproc++; break;
2188 case SDEAD: dead++; break;
2189 case SZOMB: zombies++; break;
2190 }
2191 }
2193 kvm_close(kd);
2195 ps_submit_state ("running", running);
2196 ps_submit_state ("sleeping", sleeping);
2197 ps_submit_state ("zombies", zombies);
2198 ps_submit_state ("stopped", stopped);
2199 ps_submit_state ("onproc", onproc);
2200 ps_submit_state ("idle", idle);
2201 ps_submit_state ("dead", dead);
2203 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2204 ps_submit_proc_list (ps_ptr);
2205 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD */
2207 #elif HAVE_PROCINFO_H
2208 /* AIX */
2209 int running = 0;
2210 int sleeping = 0;
2211 int zombies = 0;
2212 int stopped = 0;
2213 int paging = 0;
2214 int blocked = 0;
2216 pid_t pindex = 0;
2217 int nprocs;
2219 procstat_t *ps;
2220 procstat_entry_t pse;
2222 ps_list_reset ();
2223 while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
2224 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
2225 &pindex, MAXPROCENTRY)) > 0)
2226 {
2227 int i;
2229 for (i = 0; i < nprocs; i++)
2230 {
2231 tid64_t thindex;
2232 int nthreads;
2233 char arglist[MAXARGLN+1];
2234 char *cargs;
2235 char *cmdline;
2237 if (procentry[i].pi_state == SNONE) continue;
2238 /* if (procentry[i].pi_state == SZOMB) FIXME */
2240 cmdline = procentry[i].pi_comm;
2241 cargs = procentry[i].pi_comm;
2242 if ( procentry[i].pi_flags & SKPROC )
2243 {
2244 if (procentry[i].pi_pid == 0)
2245 cmdline = "swapper";
2246 cargs = cmdline;
2247 }
2248 else
2249 {
2250 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
2251 {
2252 int n;
2254 n = -1;
2255 while (++n < MAXARGLN)
2256 {
2257 if (arglist[n] == '\0')
2258 {
2259 if (arglist[n+1] == '\0')
2260 break;
2261 arglist[n] = ' ';
2262 }
2263 }
2264 cargs = arglist;
2265 }
2266 }
2268 pse.id = procentry[i].pi_pid;
2269 pse.age = 0;
2270 pse.num_lwp = procentry[i].pi_thcount;
2271 pse.num_proc = 1;
2273 thindex=0;
2274 while ((nthreads = getthrds64(procentry[i].pi_pid,
2275 thrdentry, sizeof(struct thrdentry64),
2276 &thindex, MAXTHRDENTRY)) > 0)
2277 {
2278 int j;
2280 for (j=0; j< nthreads; j++)
2281 {
2282 switch (thrdentry[j].ti_state)
2283 {
2284 /* case TSNONE: break; */
2285 case TSIDL: blocked++; break; /* FIXME is really blocked */
2286 case TSRUN: running++; break;
2287 case TSSLEEP: sleeping++; break;
2288 case TSSWAP: paging++; break;
2289 case TSSTOP: stopped++; break;
2290 case TSZOMB: zombies++; break;
2291 }
2292 }
2293 if (nthreads < MAXTHRDENTRY)
2294 break;
2295 }
2297 pse.cpu_user = 0;
2298 /* tv_usec is nanosec ??? */
2299 pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2300 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2302 pse.cpu_system = 0;
2303 /* tv_usec is nanosec ??? */
2304 pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2305 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2307 pse.vmem_minflt = 0;
2308 pse.vmem_minflt_counter = procentry[i].pi_minflt;
2309 pse.vmem_majflt = 0;
2310 pse.vmem_majflt_counter = procentry[i].pi_majflt;
2312 pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2313 pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2314 /* Not supported */
2315 pse.vmem_data = 0;
2316 pse.vmem_code = 0;
2317 pse.stack_size = 0;
2319 pse.io_rchar = -1;
2320 pse.io_wchar = -1;
2321 pse.io_syscr = -1;
2322 pse.io_syscw = -1;
2324 ps_list_add (cmdline, cargs, &pse);
2325 } /* for (i = 0 .. nprocs) */
2327 if (nprocs < MAXPROCENTRY)
2328 break;
2329 } /* while (getprocs64() > 0) */
2330 ps_submit_state ("running", running);
2331 ps_submit_state ("sleeping", sleeping);
2332 ps_submit_state ("zombies", zombies);
2333 ps_submit_state ("stopped", stopped);
2334 ps_submit_state ("paging", paging);
2335 ps_submit_state ("blocked", blocked);
2337 for (ps = list_head_g; ps != NULL; ps = ps->next)
2338 ps_submit_proc_list (ps);
2339 /* #endif HAVE_PROCINFO_H */
2341 #elif KERNEL_SOLARIS
2342 /*
2343 * The Solaris section adds a few more process states and removes some
2344 * process states compared to linux. Most notably there is no "PAGING"
2345 * and "BLOCKED" state for a process. The rest is similar to the linux
2346 * code.
2347 */
2348 int running = 0;
2349 int sleeping = 0;
2350 int zombies = 0;
2351 int stopped = 0;
2352 int detached = 0;
2353 int daemon = 0;
2354 int system = 0;
2355 int orphan = 0;
2357 struct dirent *ent;
2358 DIR *proc;
2360 int status;
2361 procstat_t *ps_ptr;
2362 char state;
2364 char cmdline[PRARGSZ];
2366 ps_list_reset ();
2368 proc = opendir ("/proc");
2369 if (proc == NULL)
2370 return (-1);
2372 while ((ent = readdir(proc)) != NULL)
2373 {
2374 long pid;
2375 struct procstat ps;
2376 procstat_entry_t pse;
2377 char *endptr;
2379 if (!isdigit ((int) ent->d_name[0]))
2380 continue;
2382 pid = strtol (ent->d_name, &endptr, 10);
2383 if (*endptr != 0) /* value didn't completely parse as a number */
2384 continue;
2386 status = ps_read_process (pid, &ps, &state);
2387 if (status != 0)
2388 {
2389 DEBUG("ps_read_process failed: %i", status);
2390 continue;
2391 }
2393 pse.id = pid;
2394 pse.age = 0;
2396 pse.num_proc = ps.num_proc;
2397 pse.num_lwp = ps.num_lwp;
2398 pse.vmem_size = ps.vmem_size;
2399 pse.vmem_rss = ps.vmem_rss;
2400 pse.vmem_data = ps.vmem_data;
2401 pse.vmem_code = ps.vmem_code;
2402 pse.stack_size = ps.stack_size;
2404 pse.vmem_minflt = 0;
2405 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2406 pse.vmem_majflt = 0;
2407 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2409 pse.cpu_user = 0;
2410 pse.cpu_user_counter = ps.cpu_user_counter;
2411 pse.cpu_system = 0;
2412 pse.cpu_system_counter = ps.cpu_system_counter;
2414 pse.io_rchar = ps.io_rchar;
2415 pse.io_wchar = ps.io_wchar;
2416 pse.io_syscr = ps.io_syscr;
2417 pse.io_syscw = ps.io_syscw;
2419 switch (state)
2420 {
2421 case 'R': running++; break;
2422 case 'S': sleeping++; break;
2423 case 'E': detached++; break;
2424 case 'Z': zombies++; break;
2425 case 'T': stopped++; break;
2426 case 'A': daemon++; break;
2427 case 'Y': system++; break;
2428 case 'O': orphan++; break;
2429 }
2432 ps_list_add (ps.name,
2433 ps_get_cmdline (pid, cmdline, sizeof (cmdline)),
2434 &pse);
2435 } /* while(readdir) */
2436 closedir (proc);
2438 ps_submit_state ("running", running);
2439 ps_submit_state ("sleeping", sleeping);
2440 ps_submit_state ("zombies", zombies);
2441 ps_submit_state ("stopped", stopped);
2442 ps_submit_state ("detached", detached);
2443 ps_submit_state ("daemon", daemon);
2444 ps_submit_state ("system", system);
2445 ps_submit_state ("orphan", orphan);
2447 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2448 ps_submit_proc_list (ps_ptr);
2450 read_fork_rate();
2451 #endif /* KERNEL_SOLARIS */
2453 return (0);
2454 } /* int ps_read */
2456 void module_register (void)
2457 {
2458 plugin_register_complex_config ("processes", ps_config);
2459 plugin_register_init ("processes", ps_init);
2460 plugin_register_read ("processes", ps_read);
2461 } /* void module_register */