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;
1439 /*
1440 * TODO: context switch counters for Solaris
1441 */
1442 ps->cswitch_vol = -1;
1443 ps->cswitch_invol = -1;
1446 /*
1447 * TODO: Find way of setting BLOCKED and PAGING status
1448 */
1450 *state = (char) 'R';
1451 if (myStatus->pr_flags & PR_ASLEEP)
1452 *state = (char) 'S';
1453 else if (myStatus->pr_flags & PR_STOPPED)
1454 *state = (char) 'T';
1455 else if (myStatus->pr_flags & PR_DETACH)
1456 *state = (char) 'E';
1457 else if (myStatus->pr_flags & PR_DAEMON)
1458 *state = (char) 'A';
1459 else if (myStatus->pr_flags & PR_ISSYS)
1460 *state = (char) 'Y';
1461 else if (myStatus->pr_flags & PR_ORPHAN)
1462 *state = (char) 'O';
1464 sfree(myStatus);
1465 sfree(myInfo);
1466 sfree(myUsage);
1468 return (0);
1469 }
1471 /*
1472 * Reads the number of threads created since the last reboot. On Solaris these
1473 * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1474 * The result is the sum for all the threads created on each cpu
1475 */
1476 static int read_fork_rate()
1477 {
1478 extern kstat_ctl_t *kc;
1479 kstat_t *ksp_chain = NULL;
1480 derive_t result = 0;
1482 if (kc == NULL)
1483 return (-1);
1485 for (ksp_chain = kc->kc_chain;
1486 ksp_chain != NULL;
1487 ksp_chain = ksp_chain->ks_next)
1488 {
1489 if ((strcmp (ksp_chain->ks_module, "cpu") == 0)
1490 && (strcmp (ksp_chain->ks_name, "sys") == 0)
1491 && (strcmp (ksp_chain->ks_class, "misc") == 0))
1492 {
1493 long long tmp;
1495 kstat_read (kc, ksp_chain, NULL);
1497 tmp = get_kstat_value(ksp_chain, "nthreads");
1498 if (tmp != -1LL)
1499 result += tmp;
1500 }
1501 }
1503 ps_submit_fork_rate (result);
1504 return (0);
1505 }
1506 #endif /* KERNEL_SOLARIS */
1508 #if HAVE_THREAD_INFO
1509 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1510 {
1511 int mib[4];
1513 struct kinfo_proc kp;
1514 size_t kp_size;
1516 mib[0] = CTL_KERN;
1517 mib[1] = KERN_PROC;
1518 mib[2] = KERN_PROC_PID;
1520 if (pid_for_task (t, pid) != KERN_SUCCESS)
1521 return (-1);
1522 mib[3] = *pid;
1524 kp_size = sizeof (kp);
1525 if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1526 return (-1);
1528 if (name_max_len > (MAXCOMLEN + 1))
1529 name_max_len = MAXCOMLEN + 1;
1531 strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1532 name[name_max_len - 1] = '\0';
1534 DEBUG ("pid = %i; name = %s;", *pid, name);
1536 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1537 * `top' does it, because it is a lot of work and only used when
1538 * debugging. -octo */
1540 return (0);
1541 }
1542 #endif /* HAVE_THREAD_INFO */
1543 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1545 /* do actual readings from kernel */
1546 static int ps_read (void)
1547 {
1548 #if HAVE_THREAD_INFO
1549 kern_return_t status;
1551 int pset;
1552 processor_set_t port_pset_priv;
1554 int task;
1555 task_array_t task_list;
1556 mach_msg_type_number_t task_list_len;
1558 int task_pid;
1559 char task_name[MAXCOMLEN + 1];
1561 int thread;
1562 thread_act_array_t thread_list;
1563 mach_msg_type_number_t thread_list_len;
1564 thread_basic_info_data_t thread_data;
1565 mach_msg_type_number_t thread_data_len;
1567 int running = 0;
1568 int sleeping = 0;
1569 int zombies = 0;
1570 int stopped = 0;
1571 int blocked = 0;
1573 procstat_t *ps;
1574 procstat_entry_t pse;
1576 ps_list_reset ();
1578 /*
1579 * The Mach-concept is a little different from the traditional UNIX
1580 * concept: All the work is done in threads. Threads are contained in
1581 * `tasks'. Therefore, `task status' doesn't make much sense, since
1582 * it's actually a `thread status'.
1583 * Tasks are assigned to sets of processors, so that's where you go to
1584 * get a list.
1585 */
1586 for (pset = 0; pset < pset_list_len; pset++)
1587 {
1588 if ((status = host_processor_set_priv (port_host_self,
1589 pset_list[pset],
1590 &port_pset_priv)) != KERN_SUCCESS)
1591 {
1592 ERROR ("host_processor_set_priv failed: %s\n",
1593 mach_error_string (status));
1594 continue;
1595 }
1597 if ((status = processor_set_tasks (port_pset_priv,
1598 &task_list,
1599 &task_list_len)) != KERN_SUCCESS)
1600 {
1601 ERROR ("processor_set_tasks failed: %s\n",
1602 mach_error_string (status));
1603 mach_port_deallocate (port_task_self, port_pset_priv);
1604 continue;
1605 }
1607 for (task = 0; task < task_list_len; task++)
1608 {
1609 ps = NULL;
1610 if (mach_get_task_name (task_list[task],
1611 &task_pid,
1612 task_name, PROCSTAT_NAME_LEN) == 0)
1613 {
1614 /* search for at least one match */
1615 for (ps = list_head_g; ps != NULL; ps = ps->next)
1616 /* FIXME: cmdline should be here instead of NULL */
1617 if (ps_list_match (task_name, NULL, ps) == 1)
1618 break;
1619 }
1621 /* Collect more detailed statistics for this process */
1622 if (ps != NULL)
1623 {
1624 task_basic_info_data_t task_basic_info;
1625 mach_msg_type_number_t task_basic_info_len;
1626 task_events_info_data_t task_events_info;
1627 mach_msg_type_number_t task_events_info_len;
1628 task_absolutetime_info_data_t task_absolutetime_info;
1629 mach_msg_type_number_t task_absolutetime_info_len;
1631 memset (&pse, '\0', sizeof (pse));
1632 pse.id = task_pid;
1634 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1635 status = task_info (task_list[task],
1636 TASK_BASIC_INFO,
1637 (task_info_t) &task_basic_info,
1638 &task_basic_info_len);
1639 if (status != KERN_SUCCESS)
1640 {
1641 ERROR ("task_info failed: %s",
1642 mach_error_string (status));
1643 continue; /* with next thread_list */
1644 }
1646 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1647 status = task_info (task_list[task],
1648 TASK_EVENTS_INFO,
1649 (task_info_t) &task_events_info,
1650 &task_events_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_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1659 status = task_info (task_list[task],
1660 TASK_ABSOLUTETIME_INFO,
1661 (task_info_t) &task_absolutetime_info,
1662 &task_absolutetime_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 pse.num_proc++;
1671 pse.vmem_size = task_basic_info.virtual_size;
1672 pse.vmem_rss = task_basic_info.resident_size;
1673 /* Does not seem to be easily exposed */
1674 pse.vmem_data = 0;
1675 pse.vmem_code = 0;
1677 pse.vmem_minflt_counter = task_events_info.cow_faults;
1678 pse.vmem_majflt_counter = task_events_info.faults;
1680 pse.cpu_user_counter = task_absolutetime_info.total_user;
1681 pse.cpu_system_counter = task_absolutetime_info.total_system;
1683 /* context switch counters not implemented */
1684 pse.cswitch_vol = -1;
1685 pse.cswitch_invol = -1;
1686 }
1688 status = task_threads (task_list[task], &thread_list,
1689 &thread_list_len);
1690 if (status != KERN_SUCCESS)
1691 {
1692 /* Apple's `top' treats this case a zombie. It
1693 * makes sense to some extend: A `zombie'
1694 * thread is nonsense, since the task/process
1695 * is dead. */
1696 zombies++;
1697 DEBUG ("task_threads failed: %s",
1698 mach_error_string (status));
1699 if (task_list[task] != port_task_self)
1700 mach_port_deallocate (port_task_self,
1701 task_list[task]);
1702 continue; /* with next task_list */
1703 }
1705 for (thread = 0; thread < thread_list_len; thread++)
1706 {
1707 thread_data_len = THREAD_BASIC_INFO_COUNT;
1708 status = thread_info (thread_list[thread],
1709 THREAD_BASIC_INFO,
1710 (thread_info_t) &thread_data,
1711 &thread_data_len);
1712 if (status != KERN_SUCCESS)
1713 {
1714 ERROR ("thread_info failed: %s",
1715 mach_error_string (status));
1716 if (task_list[task] != port_task_self)
1717 mach_port_deallocate (port_task_self,
1718 thread_list[thread]);
1719 continue; /* with next thread_list */
1720 }
1722 if (ps != NULL)
1723 pse.num_lwp++;
1725 switch (thread_data.run_state)
1726 {
1727 case TH_STATE_RUNNING:
1728 running++;
1729 break;
1730 case TH_STATE_STOPPED:
1731 /* What exactly is `halted'? */
1732 case TH_STATE_HALTED:
1733 stopped++;
1734 break;
1735 case TH_STATE_WAITING:
1736 sleeping++;
1737 break;
1738 case TH_STATE_UNINTERRUPTIBLE:
1739 blocked++;
1740 break;
1741 /* There is no `zombie' case here,
1742 * since there are no zombie-threads.
1743 * There's only zombie tasks, which are
1744 * handled above. */
1745 default:
1746 WARNING ("Unknown thread status: %i",
1747 thread_data.run_state);
1748 break;
1749 } /* switch (thread_data.run_state) */
1751 if (task_list[task] != port_task_self)
1752 {
1753 status = mach_port_deallocate (port_task_self,
1754 thread_list[thread]);
1755 if (status != KERN_SUCCESS)
1756 ERROR ("mach_port_deallocate failed: %s",
1757 mach_error_string (status));
1758 }
1759 } /* for (thread_list) */
1761 if ((status = vm_deallocate (port_task_self,
1762 (vm_address_t) thread_list,
1763 thread_list_len * sizeof (thread_act_t)))
1764 != KERN_SUCCESS)
1765 {
1766 ERROR ("vm_deallocate failed: %s",
1767 mach_error_string (status));
1768 }
1769 thread_list = NULL;
1770 thread_list_len = 0;
1772 /* Only deallocate the task port, if it isn't our own.
1773 * Don't know what would happen in that case, but this
1774 * is what Apple's top does.. ;) */
1775 if (task_list[task] != port_task_self)
1776 {
1777 status = mach_port_deallocate (port_task_self,
1778 task_list[task]);
1779 if (status != KERN_SUCCESS)
1780 ERROR ("mach_port_deallocate failed: %s",
1781 mach_error_string (status));
1782 }
1784 if (ps != NULL)
1785 /* FIXME: cmdline should be here instead of NULL */
1786 ps_list_add (task_name, NULL, &pse);
1787 } /* for (task_list) */
1789 if ((status = vm_deallocate (port_task_self,
1790 (vm_address_t) task_list,
1791 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1792 {
1793 ERROR ("vm_deallocate failed: %s",
1794 mach_error_string (status));
1795 }
1796 task_list = NULL;
1797 task_list_len = 0;
1799 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1800 != KERN_SUCCESS)
1801 {
1802 ERROR ("mach_port_deallocate failed: %s",
1803 mach_error_string (status));
1804 }
1805 } /* for (pset_list) */
1807 ps_submit_state ("running", running);
1808 ps_submit_state ("sleeping", sleeping);
1809 ps_submit_state ("zombies", zombies);
1810 ps_submit_state ("stopped", stopped);
1811 ps_submit_state ("blocked", blocked);
1813 for (ps = list_head_g; ps != NULL; ps = ps->next)
1814 ps_submit_proc_list (ps);
1815 /* #endif HAVE_THREAD_INFO */
1817 #elif KERNEL_LINUX
1818 int running = 0;
1819 int sleeping = 0;
1820 int zombies = 0;
1821 int stopped = 0;
1822 int paging = 0;
1823 int blocked = 0;
1825 struct dirent *ent;
1826 DIR *proc;
1827 int pid;
1829 char cmdline[CMDLINE_BUFFER_SIZE];
1831 int status;
1832 procstat_t ps;
1833 procstat_entry_t pse;
1834 char state;
1836 procstat_t *ps_ptr;
1838 running = sleeping = zombies = stopped = paging = blocked = 0;
1839 ps_list_reset ();
1841 if ((proc = opendir ("/proc")) == NULL)
1842 {
1843 char errbuf[1024];
1844 ERROR ("Cannot open `/proc': %s",
1845 sstrerror (errno, errbuf, sizeof (errbuf)));
1846 return (-1);
1847 }
1849 while ((ent = readdir (proc)) != NULL)
1850 {
1851 if (!isdigit (ent->d_name[0]))
1852 continue;
1854 if ((pid = atoi (ent->d_name)) < 1)
1855 continue;
1857 status = ps_read_process (pid, &ps, &state);
1858 if (status != 0)
1859 {
1860 DEBUG ("ps_read_process failed: %i", status);
1861 continue;
1862 }
1864 memset (&pse, 0, sizeof (pse));
1865 pse.id = pid;
1866 pse.age = 0;
1868 pse.num_proc = ps.num_proc;
1869 pse.num_lwp = ps.num_lwp;
1870 pse.vmem_size = ps.vmem_size;
1871 pse.vmem_rss = ps.vmem_rss;
1872 pse.vmem_data = ps.vmem_data;
1873 pse.vmem_code = ps.vmem_code;
1874 pse.stack_size = ps.stack_size;
1876 pse.vmem_minflt = 0;
1877 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1878 pse.vmem_majflt = 0;
1879 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1881 pse.cpu_user = 0;
1882 pse.cpu_user_counter = ps.cpu_user_counter;
1883 pse.cpu_system = 0;
1884 pse.cpu_system_counter = ps.cpu_system_counter;
1886 pse.io_rchar = ps.io_rchar;
1887 pse.io_wchar = ps.io_wchar;
1888 pse.io_syscr = ps.io_syscr;
1889 pse.io_syscw = ps.io_syscw;
1891 pse.cswitch_vol = ps.cswitch_vol;
1892 pse.cswitch_invol = ps.cswitch_invol;
1894 switch (state)
1895 {
1896 case 'R': running++; break;
1897 case 'S': sleeping++; break;
1898 case 'D': blocked++; break;
1899 case 'Z': zombies++; break;
1900 case 'T': stopped++; break;
1901 case 'W': paging++; break;
1902 }
1904 ps_list_add (ps.name,
1905 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1906 &pse);
1907 }
1909 closedir (proc);
1911 ps_submit_state ("running", running);
1912 ps_submit_state ("sleeping", sleeping);
1913 ps_submit_state ("zombies", zombies);
1914 ps_submit_state ("stopped", stopped);
1915 ps_submit_state ("paging", paging);
1916 ps_submit_state ("blocked", blocked);
1918 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1919 ps_submit_proc_list (ps_ptr);
1921 read_fork_rate();
1922 /* #endif KERNEL_LINUX */
1924 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1925 int running = 0;
1926 int sleeping = 0;
1927 int zombies = 0;
1928 int stopped = 0;
1929 int blocked = 0;
1930 int idle = 0;
1931 int wait = 0;
1933 kvm_t *kd;
1934 char errbuf[_POSIX2_LINE_MAX];
1935 struct kinfo_proc *procs; /* array of processes */
1936 struct kinfo_proc *proc_ptr = NULL;
1937 int count; /* returns number of processes */
1938 int i;
1940 procstat_t *ps_ptr;
1941 procstat_entry_t pse;
1943 ps_list_reset ();
1945 /* Open the kvm interface, get a descriptor */
1946 kd = kvm_openfiles (NULL, "/dev/null", NULL, 0, errbuf);
1947 if (kd == NULL)
1948 {
1949 ERROR ("processes plugin: Cannot open kvm interface: %s",
1950 errbuf);
1951 return (0);
1952 }
1954 /* Get the list of processes. */
1955 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1956 if (procs == NULL)
1957 {
1958 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1959 kvm_geterr(kd));
1960 kvm_close (kd);
1961 return (0);
1962 }
1964 /* Iterate through the processes in kinfo_proc */
1965 for (i = 0; i < count; i++)
1966 {
1967 /* Create only one process list entry per _process_, i.e.
1968 * filter out threads (duplicate PID entries). */
1969 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1970 {
1971 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1972 _Bool have_cmdline = 0;
1974 proc_ptr = &(procs[i]);
1975 /* Don't probe system processes and processes without arguments */
1976 if (((procs[i].ki_flag & P_SYSTEM) == 0)
1977 && (procs[i].ki_args != NULL))
1978 {
1979 char **argv;
1980 int argc;
1981 int status;
1983 /* retrieve the arguments */
1984 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1985 argc = 0;
1986 if ((argv != NULL) && (argv[0] != NULL))
1987 {
1988 while (argv[argc] != NULL)
1989 argc++;
1991 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1992 if (status < 0)
1993 WARNING ("processes plugin: Command line did not fit into buffer.");
1994 else
1995 have_cmdline = 1;
1996 }
1997 } /* if (process has argument list) */
1999 pse.id = procs[i].ki_pid;
2000 pse.age = 0;
2002 pse.num_proc = 1;
2003 pse.num_lwp = procs[i].ki_numthreads;
2005 pse.vmem_size = procs[i].ki_size;
2006 pse.vmem_rss = procs[i].ki_rssize * pagesize;
2007 pse.vmem_data = procs[i].ki_dsize * pagesize;
2008 pse.vmem_code = procs[i].ki_tsize * pagesize;
2009 pse.stack_size = procs[i].ki_ssize * pagesize;
2010 pse.vmem_minflt = 0;
2011 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
2012 pse.vmem_majflt = 0;
2013 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
2015 pse.cpu_user = 0;
2016 pse.cpu_system = 0;
2017 pse.cpu_user_counter = 0;
2018 pse.cpu_system_counter = 0;
2019 /*
2020 * The u-area might be swapped out, and we can't get
2021 * at it because we have a crashdump and no swap.
2022 * If it's here fill in these fields, otherwise, just
2023 * leave them 0.
2024 */
2025 if (procs[i].ki_flag & P_INMEM)
2026 {
2027 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
2028 + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
2029 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
2030 + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
2031 }
2033 /* no I/O data */
2034 pse.io_rchar = -1;
2035 pse.io_wchar = -1;
2036 pse.io_syscr = -1;
2037 pse.io_syscw = -1;
2039 /* context switch counters not implemented */
2040 pse.cswitch_vol = -1;
2041 pse.cswitch_invol = -1;
2043 ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
2045 switch (procs[i].ki_stat)
2046 {
2047 case SSTOP: stopped++; break;
2048 case SSLEEP: sleeping++; break;
2049 case SRUN: running++; break;
2050 case SIDL: idle++; break;
2051 case SWAIT: wait++; break;
2052 case SLOCK: blocked++; break;
2053 case SZOMB: zombies++; break;
2054 }
2055 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
2056 }
2058 kvm_close(kd);
2060 ps_submit_state ("running", running);
2061 ps_submit_state ("sleeping", sleeping);
2062 ps_submit_state ("zombies", zombies);
2063 ps_submit_state ("stopped", stopped);
2064 ps_submit_state ("blocked", blocked);
2065 ps_submit_state ("idle", idle);
2066 ps_submit_state ("wait", wait);
2068 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2069 ps_submit_proc_list (ps_ptr);
2070 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
2072 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD
2073 int running = 0;
2074 int sleeping = 0;
2075 int zombies = 0;
2076 int stopped = 0;
2077 int onproc = 0;
2078 int idle = 0;
2079 int dead = 0;
2081 kvm_t *kd;
2082 char errbuf[1024];
2083 struct kinfo_proc *procs; /* array of processes */
2084 struct kinfo_proc *proc_ptr = NULL;
2085 int count; /* returns number of processes */
2086 int i;
2088 procstat_t *ps_ptr;
2089 procstat_entry_t pse;
2091 ps_list_reset ();
2093 /* Open the kvm interface, get a descriptor */
2094 kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
2095 if (kd == NULL)
2096 {
2097 ERROR ("processes plugin: Cannot open kvm interface: %s",
2098 errbuf);
2099 return (0);
2100 }
2102 /* Get the list of processes. */
2103 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
2104 if (procs == NULL)
2105 {
2106 ERROR ("processes plugin: Cannot get kvm processes list: %s",
2107 kvm_geterr(kd));
2108 kvm_close (kd);
2109 return (0);
2110 }
2112 /* Iterate through the processes in kinfo_proc */
2113 for (i = 0; i < count; i++)
2114 {
2115 /* Create only one process list entry per _process_, i.e.
2116 * filter out threads (duplicate PID entries). */
2117 if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid))
2118 {
2119 char cmdline[CMDLINE_BUFFER_SIZE] = "";
2120 _Bool have_cmdline = 0;
2122 proc_ptr = &(procs[i]);
2123 /* Don't probe zombie processes */
2124 if (!P_ZOMBIE(proc_ptr))
2125 {
2126 char **argv;
2127 int argc;
2128 int status;
2130 /* retrieve the arguments */
2131 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
2132 argc = 0;
2133 if ((argv != NULL) && (argv[0] != NULL))
2134 {
2135 while (argv[argc] != NULL)
2136 argc++;
2138 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
2139 if (status < 0)
2140 WARNING ("processes plugin: Command line did not fit into buffer.");
2141 else
2142 have_cmdline = 1;
2143 }
2144 } /* if (process has argument list) */
2146 memset (&pse, 0, sizeof (pse));
2147 pse.id = procs[i].p_pid;
2148 pse.age = 0;
2150 pse.num_proc = 1;
2151 pse.num_lwp = 1; /* XXX: accumulate p_tid values for a single p_pid ? */
2153 pse.vmem_rss = procs[i].p_vm_rssize * pagesize;
2154 pse.vmem_data = procs[i].p_vm_dsize * pagesize;
2155 pse.vmem_code = procs[i].p_vm_tsize * pagesize;
2156 pse.stack_size = procs[i].p_vm_ssize * pagesize;
2157 pse.vmem_size = pse.stack_size + pse.vmem_code + pse.vmem_data;
2158 pse.vmem_minflt = 0;
2159 pse.vmem_minflt_counter = procs[i].p_uru_minflt;
2160 pse.vmem_majflt = 0;
2161 pse.vmem_majflt_counter = procs[i].p_uru_majflt;
2163 pse.cpu_user = 0;
2164 pse.cpu_system = 0;
2165 pse.cpu_user_counter = procs[i].p_uutime_usec +
2166 (1000000lu * procs[i].p_uutime_sec);
2167 pse.cpu_system_counter = procs[i].p_ustime_usec +
2168 (1000000lu * procs[i].p_ustime_sec);
2170 /* no I/O data */
2171 pse.io_rchar = -1;
2172 pse.io_wchar = -1;
2173 pse.io_syscr = -1;
2174 pse.io_syscw = -1;
2176 /* context switch counters not implemented */
2177 pse.cswitch_vol = -1;
2178 pse.cswitch_invol = -1;
2180 ps_list_add (procs[i].p_comm, have_cmdline ? cmdline : NULL, &pse);
2182 switch (procs[i].p_stat)
2183 {
2184 case SSTOP: stopped++; break;
2185 case SSLEEP: sleeping++; break;
2186 case SRUN: running++; break;
2187 case SIDL: idle++; break;
2188 case SONPROC: onproc++; break;
2189 case SDEAD: dead++; break;
2190 case SZOMB: zombies++; break;
2191 }
2192 } /* if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) */
2193 }
2195 kvm_close(kd);
2197 ps_submit_state ("running", running);
2198 ps_submit_state ("sleeping", sleeping);
2199 ps_submit_state ("zombies", zombies);
2200 ps_submit_state ("stopped", stopped);
2201 ps_submit_state ("onproc", onproc);
2202 ps_submit_state ("idle", idle);
2203 ps_submit_state ("dead", dead);
2205 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2206 ps_submit_proc_list (ps_ptr);
2207 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD */
2209 #elif HAVE_PROCINFO_H
2210 /* AIX */
2211 int running = 0;
2212 int sleeping = 0;
2213 int zombies = 0;
2214 int stopped = 0;
2215 int paging = 0;
2216 int blocked = 0;
2218 pid_t pindex = 0;
2219 int nprocs;
2221 procstat_t *ps;
2222 procstat_entry_t pse;
2224 ps_list_reset ();
2225 while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
2226 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
2227 &pindex, MAXPROCENTRY)) > 0)
2228 {
2229 int i;
2231 for (i = 0; i < nprocs; i++)
2232 {
2233 tid64_t thindex;
2234 int nthreads;
2235 char arglist[MAXARGLN+1];
2236 char *cargs;
2237 char *cmdline;
2239 if (procentry[i].pi_state == SNONE) continue;
2240 /* if (procentry[i].pi_state == SZOMB) FIXME */
2242 cmdline = procentry[i].pi_comm;
2243 cargs = procentry[i].pi_comm;
2244 if ( procentry[i].pi_flags & SKPROC )
2245 {
2246 if (procentry[i].pi_pid == 0)
2247 cmdline = "swapper";
2248 cargs = cmdline;
2249 }
2250 else
2251 {
2252 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
2253 {
2254 int n;
2256 n = -1;
2257 while (++n < MAXARGLN)
2258 {
2259 if (arglist[n] == '\0')
2260 {
2261 if (arglist[n+1] == '\0')
2262 break;
2263 arglist[n] = ' ';
2264 }
2265 }
2266 cargs = arglist;
2267 }
2268 }
2270 pse.id = procentry[i].pi_pid;
2271 pse.age = 0;
2272 pse.num_lwp = procentry[i].pi_thcount;
2273 pse.num_proc = 1;
2275 thindex=0;
2276 while ((nthreads = getthrds64(procentry[i].pi_pid,
2277 thrdentry, sizeof(struct thrdentry64),
2278 &thindex, MAXTHRDENTRY)) > 0)
2279 {
2280 int j;
2282 for (j=0; j< nthreads; j++)
2283 {
2284 switch (thrdentry[j].ti_state)
2285 {
2286 /* case TSNONE: break; */
2287 case TSIDL: blocked++; break; /* FIXME is really blocked */
2288 case TSRUN: running++; break;
2289 case TSSLEEP: sleeping++; break;
2290 case TSSWAP: paging++; break;
2291 case TSSTOP: stopped++; break;
2292 case TSZOMB: zombies++; break;
2293 }
2294 }
2295 if (nthreads < MAXTHRDENTRY)
2296 break;
2297 }
2299 pse.cpu_user = 0;
2300 /* tv_usec is nanosec ??? */
2301 pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2302 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2304 pse.cpu_system = 0;
2305 /* tv_usec is nanosec ??? */
2306 pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2307 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2309 pse.vmem_minflt = 0;
2310 pse.vmem_minflt_counter = procentry[i].pi_minflt;
2311 pse.vmem_majflt = 0;
2312 pse.vmem_majflt_counter = procentry[i].pi_majflt;
2314 pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2315 pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2316 /* Not supported */
2317 pse.vmem_data = 0;
2318 pse.vmem_code = 0;
2319 pse.stack_size = 0;
2321 pse.io_rchar = -1;
2322 pse.io_wchar = -1;
2323 pse.io_syscr = -1;
2324 pse.io_syscw = -1;
2326 pse.cswitch_vol = -1;
2327 pse.cswitch_invol = -1;
2329 ps_list_add (cmdline, cargs, &pse);
2330 } /* for (i = 0 .. nprocs) */
2332 if (nprocs < MAXPROCENTRY)
2333 break;
2334 } /* while (getprocs64() > 0) */
2335 ps_submit_state ("running", running);
2336 ps_submit_state ("sleeping", sleeping);
2337 ps_submit_state ("zombies", zombies);
2338 ps_submit_state ("stopped", stopped);
2339 ps_submit_state ("paging", paging);
2340 ps_submit_state ("blocked", blocked);
2342 for (ps = list_head_g; ps != NULL; ps = ps->next)
2343 ps_submit_proc_list (ps);
2344 /* #endif HAVE_PROCINFO_H */
2346 #elif KERNEL_SOLARIS
2347 /*
2348 * The Solaris section adds a few more process states and removes some
2349 * process states compared to linux. Most notably there is no "PAGING"
2350 * and "BLOCKED" state for a process. The rest is similar to the linux
2351 * code.
2352 */
2353 int running = 0;
2354 int sleeping = 0;
2355 int zombies = 0;
2356 int stopped = 0;
2357 int detached = 0;
2358 int daemon = 0;
2359 int system = 0;
2360 int orphan = 0;
2362 struct dirent *ent;
2363 DIR *proc;
2365 int status;
2366 procstat_t *ps_ptr;
2367 char state;
2369 char cmdline[PRARGSZ];
2371 ps_list_reset ();
2373 proc = opendir ("/proc");
2374 if (proc == NULL)
2375 return (-1);
2377 while ((ent = readdir(proc)) != NULL)
2378 {
2379 long pid;
2380 struct procstat ps;
2381 procstat_entry_t pse;
2382 char *endptr;
2384 if (!isdigit ((int) ent->d_name[0]))
2385 continue;
2387 pid = strtol (ent->d_name, &endptr, 10);
2388 if (*endptr != 0) /* value didn't completely parse as a number */
2389 continue;
2391 status = ps_read_process (pid, &ps, &state);
2392 if (status != 0)
2393 {
2394 DEBUG("ps_read_process failed: %i", status);
2395 continue;
2396 }
2398 memset (&pse, 0, sizeof (pse));
2399 pse.id = pid;
2400 pse.age = 0;
2402 pse.num_proc = ps.num_proc;
2403 pse.num_lwp = ps.num_lwp;
2404 pse.vmem_size = ps.vmem_size;
2405 pse.vmem_rss = ps.vmem_rss;
2406 pse.vmem_data = ps.vmem_data;
2407 pse.vmem_code = ps.vmem_code;
2408 pse.stack_size = ps.stack_size;
2410 pse.vmem_minflt = 0;
2411 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2412 pse.vmem_majflt = 0;
2413 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2415 pse.cpu_user = 0;
2416 pse.cpu_user_counter = ps.cpu_user_counter;
2417 pse.cpu_system = 0;
2418 pse.cpu_system_counter = ps.cpu_system_counter;
2420 pse.io_rchar = ps.io_rchar;
2421 pse.io_wchar = ps.io_wchar;
2422 pse.io_syscr = ps.io_syscr;
2423 pse.io_syscw = ps.io_syscw;
2425 pse.cswitch_vol = -1;
2426 pse.cswitch_invol = -1;
2428 switch (state)
2429 {
2430 case 'R': running++; break;
2431 case 'S': sleeping++; break;
2432 case 'E': detached++; break;
2433 case 'Z': zombies++; break;
2434 case 'T': stopped++; break;
2435 case 'A': daemon++; break;
2436 case 'Y': system++; break;
2437 case 'O': orphan++; break;
2438 }
2441 ps_list_add (ps.name,
2442 ps_get_cmdline (pid, cmdline, sizeof (cmdline)),
2443 &pse);
2444 } /* while(readdir) */
2445 closedir (proc);
2447 ps_submit_state ("running", running);
2448 ps_submit_state ("sleeping", sleeping);
2449 ps_submit_state ("zombies", zombies);
2450 ps_submit_state ("stopped", stopped);
2451 ps_submit_state ("detached", detached);
2452 ps_submit_state ("daemon", daemon);
2453 ps_submit_state ("system", system);
2454 ps_submit_state ("orphan", orphan);
2456 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2457 ps_submit_proc_list (ps_ptr);
2459 read_fork_rate();
2460 #endif /* KERNEL_SOLARIS */
2462 return (0);
2463 } /* int ps_read */
2465 void module_register (void)
2466 {
2467 plugin_register_complex_config ("processes", ps_config);
2468 plugin_register_init ("processes", ps_init);
2469 plugin_register_read ("processes", ps_read);
2470 } /* void module_register */