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
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.
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.
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
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>
33 * Clément Stenac <clement.stenac at diwi.org>
34 * Cosmin Ioiart <cioiart at gmail.com>
40 #include "configfile.h"
42 /* Include header files for the mach system, if they exist.. */
44 # if HAVE_MACH_MACH_INIT_H
45 # include <mach/mach_init.h>
47 # if HAVE_MACH_HOST_PRIV_H
48 # include <mach/host_priv.h>
50 # if HAVE_MACH_MACH_ERROR_H
51 # include <mach/mach_error.h>
53 # if HAVE_MACH_MACH_HOST_H
54 # include <mach/mach_host.h>
56 # if HAVE_MACH_MACH_PORT_H
57 # include <mach/mach_port.h>
59 # if HAVE_MACH_MACH_TYPES_H
60 # include <mach/mach_types.h>
62 # if HAVE_MACH_MESSAGE_H
63 # include <mach/message.h>
65 # if HAVE_MACH_PROCESSOR_SET_H
66 # include <mach/processor_set.h>
69 # include <mach/task.h>
71 # if HAVE_MACH_THREAD_ACT_H
72 # include <mach/thread_act.h>
74 # if HAVE_MACH_VM_REGION_H
75 # include <mach/vm_region.h>
77 # if HAVE_MACH_VM_MAP_H
78 # include <mach/vm_map.h>
80 # if HAVE_MACH_VM_PROT_H
81 # include <mach/vm_prot.h>
83 # if HAVE_SYS_SYSCTL_H
84 # include <sys/sysctl.h>
86 /* #endif HAVE_THREAD_INFO */
89 # if HAVE_LINUX_CONFIG_H
90 # include <linux/config.h>
93 # define CONFIG_HZ 100
95 /* #endif KERNEL_LINUX */
97 #elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
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 */
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
121 # undef _FILE_OFFSET_BITS
127 # define _FILE_OFFSET_BITS 64
132 /* #endif KERNEL_SOLARIS */
135 # error "No applicable input method."
146 #ifndef CMDLINE_BUFFER_SIZE
147 # if defined(ARG_MAX) && (ARG_MAX < 4096)
148 # define CMDLINE_BUFFER_SIZE ARG_MAX
150 # define CMDLINE_BUFFER_SIZE 4096
154 typedef struct procstat_entry_s
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;
183 struct procstat_entry_s *next;
186 #define PROCSTAT_NAME_LEN 256
187 typedef struct procstat
189 char name[PROCSTAT_NAME_LEN];
194 unsigned long num_proc;
195 unsigned long num_lwp;
196 unsigned long vmem_size;
197 unsigned long vmem_rss;
198 unsigned long vmem_data;
199 unsigned long vmem_code;
200 unsigned long stack_size;
202 derive_t vmem_minflt_counter;
203 derive_t vmem_majflt_counter;
205 derive_t cpu_user_counter;
206 derive_t cpu_system_counter;
214 struct procstat *next;
215 struct procstat_entry_s *instances;
218 static procstat_t *list_head_g = NULL;
221 static mach_port_t port_host_self;
222 static mach_port_t port_task_self;
224 static processor_set_name_array_t pset_list;
225 static mach_msg_type_number_t pset_list_len;
226 /* #endif HAVE_THREAD_INFO */
229 static long pagesize_g;
230 /* #endif KERNEL_LINUX */
232 #elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
234 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
236 #elif HAVE_PROCINFO_H
237 static struct procentry64 procentry[MAXPROCENTRY];
238 static struct thrdentry64 thrdentry[MAXTHRDENTRY];
241 #ifndef _AIXVERSION_610
242 int getprocs64 (void *procsinfo, int sizproc, void *fdsinfo, int sizfd, pid_t *index, int count);
243 int getthrds64( pid_t, void *, int, tid64_t *, int );
245 int getargs (void *processBuffer, int bufferLen, char *argsBuffer, int argsLen);
246 #endif /* HAVE_PROCINFO_H */
248 /* put name of process from config to list_head_g tree
249 * list_head_g is a list of 'procstat_t' structs with
250 * processes names we want to watch */
251 static void ps_list_register (const char *name, const char *regexp)
257 new = (procstat_t *) malloc (sizeof (procstat_t));
260 ERROR ("processes plugin: ps_list_register: malloc failed.");
263 memset (new, 0, sizeof (procstat_t));
264 sstrncpy (new->name, name, sizeof (new->name));
269 DEBUG ("ProcessMatch: adding \"%s\" as criteria to process %s.", regexp, name);
270 new->re = (regex_t *) malloc (sizeof (regex_t));
273 ERROR ("processes plugin: ps_list_register: malloc failed.");
278 status = regcomp (new->re, regexp, REG_EXTENDED | REG_NOSUB);
281 DEBUG ("ProcessMatch: compiling the regular expression \"%s\" failed.", regexp);
289 ERROR ("processes plugin: ps_list_register: "
290 "Regular expression \"%s\" found in config "
291 "file, but support for regular expressions "
292 "has been disabled at compile time.",
299 for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
301 if (strcmp (ptr->name, name) == 0)
303 WARNING ("processes plugin: You have configured more "
304 "than one `Process' or "
305 "`ProcessMatch' with the same name. "
306 "All but the first setting will be "
313 if (ptr->next == NULL)
321 } /* void ps_list_register */
323 /* try to match name against entry, returns 1 if success */
324 static int ps_list_match (const char *name, const char *cmdline, procstat_t *ps)
333 if ((str == NULL) || (str[0] == 0))
336 assert (str != NULL);
338 status = regexec (ps->re, str,
347 if (strcmp (ps->name, name) == 0)
351 } /* int ps_list_match */
353 /* add process entry to 'instances' of process 'name' (or refresh it) */
354 static void ps_list_add (const char *name, const char *cmdline, procstat_entry_t *entry)
357 procstat_entry_t *pse;
362 for (ps = list_head_g; ps != NULL; ps = ps->next)
364 if ((ps_list_match (name, cmdline, ps)) == 0)
367 for (pse = ps->instances; pse != NULL; pse = pse->next)
368 if ((pse->id == entry->id) || (pse->next == NULL))
371 if ((pse == NULL) || (pse->id != entry->id))
373 procstat_entry_t *new;
375 new = (procstat_entry_t *) malloc (sizeof (procstat_entry_t));
378 memset (new, 0, sizeof (procstat_entry_t));
390 pse->num_proc = entry->num_proc;
391 pse->num_lwp = entry->num_lwp;
392 pse->vmem_size = entry->vmem_size;
393 pse->vmem_rss = entry->vmem_rss;
394 pse->vmem_data = entry->vmem_data;
395 pse->vmem_code = entry->vmem_code;
396 pse->stack_size = entry->stack_size;
397 pse->io_rchar = entry->io_rchar;
398 pse->io_wchar = entry->io_wchar;
399 pse->io_syscr = entry->io_syscr;
400 pse->io_syscw = entry->io_syscw;
402 ps->num_proc += pse->num_proc;
403 ps->num_lwp += pse->num_lwp;
404 ps->vmem_size += pse->vmem_size;
405 ps->vmem_rss += pse->vmem_rss;
406 ps->vmem_data += pse->vmem_data;
407 ps->vmem_code += pse->vmem_code;
408 ps->stack_size += pse->stack_size;
410 ps->io_rchar += ((pse->io_rchar == -1)?0:pse->io_rchar);
411 ps->io_wchar += ((pse->io_wchar == -1)?0:pse->io_wchar);
412 ps->io_syscr += ((pse->io_syscr == -1)?0:pse->io_syscr);
413 ps->io_syscw += ((pse->io_syscw == -1)?0:pse->io_syscw);
415 if ((entry->vmem_minflt_counter == 0)
416 && (entry->vmem_majflt_counter == 0))
418 pse->vmem_minflt_counter += entry->vmem_minflt;
419 pse->vmem_minflt = entry->vmem_minflt;
421 pse->vmem_majflt_counter += entry->vmem_majflt;
422 pse->vmem_majflt = entry->vmem_majflt;
426 if (entry->vmem_minflt_counter < pse->vmem_minflt_counter)
428 pse->vmem_minflt = entry->vmem_minflt_counter
429 + (ULONG_MAX - pse->vmem_minflt_counter);
433 pse->vmem_minflt = entry->vmem_minflt_counter - pse->vmem_minflt_counter;
435 pse->vmem_minflt_counter = entry->vmem_minflt_counter;
437 if (entry->vmem_majflt_counter < pse->vmem_majflt_counter)
439 pse->vmem_majflt = entry->vmem_majflt_counter
440 + (ULONG_MAX - pse->vmem_majflt_counter);
444 pse->vmem_majflt = entry->vmem_majflt_counter - pse->vmem_majflt_counter;
446 pse->vmem_majflt_counter = entry->vmem_majflt_counter;
449 ps->vmem_minflt_counter += pse->vmem_minflt;
450 ps->vmem_majflt_counter += pse->vmem_majflt;
452 if ((entry->cpu_user_counter == 0)
453 && (entry->cpu_system_counter == 0))
455 pse->cpu_user_counter += entry->cpu_user;
456 pse->cpu_user = entry->cpu_user;
458 pse->cpu_system_counter += entry->cpu_system;
459 pse->cpu_system = entry->cpu_system;
463 if (entry->cpu_user_counter < pse->cpu_user_counter)
465 pse->cpu_user = entry->cpu_user_counter
466 + (ULONG_MAX - pse->cpu_user_counter);
470 pse->cpu_user = entry->cpu_user_counter - pse->cpu_user_counter;
472 pse->cpu_user_counter = entry->cpu_user_counter;
474 if (entry->cpu_system_counter < pse->cpu_system_counter)
476 pse->cpu_system = entry->cpu_system_counter
477 + (ULONG_MAX - pse->cpu_system_counter);
481 pse->cpu_system = entry->cpu_system_counter - pse->cpu_system_counter;
483 pse->cpu_system_counter = entry->cpu_system_counter;
486 ps->cpu_user_counter += pse->cpu_user;
487 ps->cpu_system_counter += pse->cpu_system;
491 /* remove old entries from instances of processes in list_head_g */
492 static void ps_list_reset (void)
495 procstat_entry_t *pse;
496 procstat_entry_t *pse_prev;
498 for (ps = list_head_g; ps != NULL; ps = ps->next)
518 DEBUG ("Removing this procstat entry cause it's too old: "
519 "id = %lu; name = %s;",
522 if (pse_prev == NULL)
524 ps->instances = pse->next;
530 pse_prev->next = pse->next;
532 pse = pse_prev->next;
541 } /* while (pse != NULL) */
542 } /* for (ps = list_head_g; ps != NULL; ps = ps->next) */
545 /* put all pre-defined 'Process' names from config to list_head_g tree */
546 static int ps_config (oconfig_item_t *ci)
550 for (i = 0; i < ci->children_num; ++i) {
551 oconfig_item_t *c = ci->children + i;
553 if (strcasecmp (c->key, "Process") == 0)
555 if ((c->values_num != 1)
556 || (OCONFIG_TYPE_STRING != c->values[0].type)) {
557 ERROR ("processes plugin: `Process' expects exactly "
558 "one string argument (got %i).",
563 if (c->children_num != 0) {
564 WARNING ("processes plugin: the `Process' config option "
565 "does not expect any child elements -- ignoring "
566 "content (%i elements) of the <Process '%s'> block.",
567 c->children_num, c->values[0].value.string);
570 ps_list_register (c->values[0].value.string, NULL);
572 else if (strcasecmp (c->key, "ProcessMatch") == 0)
574 if ((c->values_num != 2)
575 || (OCONFIG_TYPE_STRING != c->values[0].type)
576 || (OCONFIG_TYPE_STRING != c->values[1].type))
578 ERROR ("processes plugin: `ProcessMatch' needs exactly "
579 "two string arguments (got %i).",
584 if (c->children_num != 0) {
585 WARNING ("processes plugin: the `ProcessMatch' config option "
586 "does not expect any child elements -- ignoring "
587 "content (%i elements) of the <ProcessMatch '%s' '%s'> "
588 "block.", c->children_num, c->values[0].value.string,
589 c->values[1].value.string);
592 ps_list_register (c->values[0].value.string,
593 c->values[1].value.string);
597 ERROR ("processes plugin: The `%s' configuration option is not "
598 "understood and will be ignored.", c->key);
606 static int ps_init (void)
609 kern_return_t status;
611 port_host_self = mach_host_self ();
612 port_task_self = mach_task_self ();
614 if (pset_list != NULL)
616 vm_deallocate (port_task_self,
617 (vm_address_t) pset_list,
618 pset_list_len * sizeof (processor_set_t));
623 if ((status = host_processor_sets (port_host_self,
625 &pset_list_len)) != KERN_SUCCESS)
627 ERROR ("host_processor_sets failed: %s\n",
628 mach_error_string (status));
633 /* #endif HAVE_THREAD_INFO */
636 pagesize_g = sysconf(_SC_PAGESIZE);
637 DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
638 pagesize_g, CONFIG_HZ);
639 /* #endif KERNEL_LINUX */
641 #elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
642 pagesize = getpagesize();
643 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
645 #elif HAVE_PROCINFO_H
646 pagesize = getpagesize();
647 #endif /* HAVE_PROCINFO_H */
652 /* submit global state (e.g.: qty of zombies, running, etc..) */
653 static void ps_submit_state (const char *state, double value)
656 value_list_t vl = VALUE_LIST_INIT;
658 values[0].gauge = value;
662 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
663 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
664 sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
665 sstrncpy (vl.type, "ps_state", sizeof (vl.type));
666 sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
668 plugin_dispatch_values (&vl);
671 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
672 static void ps_submit_proc_list (procstat_t *ps)
675 value_list_t vl = VALUE_LIST_INIT;
679 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
680 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
681 sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
683 sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
684 vl.values[0].gauge = ps->vmem_size;
686 plugin_dispatch_values (&vl);
688 sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
689 vl.values[0].gauge = ps->vmem_rss;
691 plugin_dispatch_values (&vl);
693 sstrncpy (vl.type, "ps_data", sizeof (vl.type));
694 vl.values[0].gauge = ps->vmem_data;
696 plugin_dispatch_values (&vl);
698 sstrncpy (vl.type, "ps_code", sizeof (vl.type));
699 vl.values[0].gauge = ps->vmem_code;
701 plugin_dispatch_values (&vl);
703 sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
704 vl.values[0].gauge = ps->stack_size;
706 plugin_dispatch_values (&vl);
708 sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
709 vl.values[0].derive = ps->cpu_user_counter;
710 vl.values[1].derive = ps->cpu_system_counter;
712 plugin_dispatch_values (&vl);
714 sstrncpy (vl.type, "ps_count", sizeof (vl.type));
715 vl.values[0].gauge = ps->num_proc;
716 vl.values[1].gauge = ps->num_lwp;
718 plugin_dispatch_values (&vl);
720 sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
721 vl.values[0].derive = ps->vmem_minflt_counter;
722 vl.values[1].derive = ps->vmem_majflt_counter;
724 plugin_dispatch_values (&vl);
726 if ( (ps->io_rchar != -1) && (ps->io_wchar != -1) )
728 sstrncpy (vl.type, "ps_disk_octets", sizeof (vl.type));
729 vl.values[0].derive = ps->io_rchar;
730 vl.values[1].derive = ps->io_wchar;
732 plugin_dispatch_values (&vl);
735 if ( (ps->io_syscr != -1) && (ps->io_syscw != -1) )
737 sstrncpy (vl.type, "ps_disk_ops", sizeof (vl.type));
738 vl.values[0].derive = ps->io_syscr;
739 vl.values[1].derive = ps->io_syscw;
741 plugin_dispatch_values (&vl);
744 DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
745 "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
747 "vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
748 "cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
749 "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
750 "io_syscr = %"PRIi64"; io_syscw = %"PRIi64";",
751 ps->name, ps->num_proc, ps->num_lwp,
752 ps->vmem_size, ps->vmem_rss,
753 ps->vmem_data, ps->vmem_code,
754 ps->vmem_minflt_counter, ps->vmem_majflt_counter,
755 ps->cpu_user_counter, ps->cpu_system_counter,
756 ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw);
757 } /* void ps_submit_proc_list */
759 #if KERNEL_LINUX || KERNEL_SOLARIS
760 static void ps_submit_fork_rate (derive_t value)
763 value_list_t vl = VALUE_LIST_INIT;
765 values[0].derive = value;
769 sstrncpy(vl.host, hostname_g, sizeof (vl.host));
770 sstrncpy(vl.plugin, "processes", sizeof (vl.plugin));
771 sstrncpy(vl.plugin_instance, "", sizeof (vl.plugin_instance));
772 sstrncpy(vl.type, "fork_rate", sizeof (vl.type));
773 sstrncpy(vl.type_instance, "", sizeof (vl.type_instance));
775 plugin_dispatch_values(&vl);
777 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
779 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
781 static int ps_read_tasks (int pid)
788 ssnprintf (dirname, sizeof (dirname), "/proc/%i/task", pid);
790 if ((dh = opendir (dirname)) == NULL)
792 DEBUG ("Failed to open directory `%s'", dirname);
796 while ((ent = readdir (dh)) != NULL)
798 if (!isdigit ((int) ent->d_name[0]))
805 return ((count >= 1) ? count : 1);
806 } /* int *ps_read_tasks */
808 /* Read advanced virtual memory data from /proc/pid/status */
809 static procstat_t *ps_read_vmem (int pid, procstat_t *ps)
814 unsigned long long lib = 0;
815 unsigned long long exe = 0;
816 unsigned long long data = 0;
820 ssnprintf (filename, sizeof (filename), "/proc/%i/status", pid);
821 if ((fh = fopen (filename, "r")) == NULL)
824 while (fgets (buffer, sizeof(buffer), fh) != NULL)
829 if (strncmp (buffer, "Vm", 2) != 0)
832 numfields = strsplit (buffer, fields,
833 STATIC_ARRAY_SIZE (fields));
840 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
841 if ((errno == 0) && (endptr != fields[1]))
843 if (strncmp (buffer, "VmData", 6) == 0)
847 else if (strncmp (buffer, "VmLib", 5) == 0)
851 else if (strncmp(buffer, "VmExe", 5) == 0)
856 } /* while (fgets) */
861 WARNING ("processes: fclose: %s",
862 sstrerror (errno, errbuf, sizeof (errbuf)));
865 ps->vmem_data = data * 1024;
866 ps->vmem_code = (exe + lib) * 1024;
869 } /* procstat_t *ps_read_vmem */
871 static procstat_t *ps_read_io (int pid, procstat_t *ps)
880 ssnprintf (filename, sizeof (filename), "/proc/%i/io", pid);
881 if ((fh = fopen (filename, "r")) == NULL)
884 while (fgets (buffer, sizeof (buffer), fh) != NULL)
886 derive_t *val = NULL;
890 if (strncasecmp (buffer, "rchar:", 6) == 0)
891 val = &(ps->io_rchar);
892 else if (strncasecmp (buffer, "wchar:", 6) == 0)
893 val = &(ps->io_wchar);
894 else if (strncasecmp (buffer, "syscr:", 6) == 0)
895 val = &(ps->io_syscr);
896 else if (strncasecmp (buffer, "syscw:", 6) == 0)
897 val = &(ps->io_syscw);
901 numfields = strsplit (buffer, fields,
902 STATIC_ARRAY_SIZE (fields));
909 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
910 if ((errno != 0) || (endptr == fields[1]))
913 *val = (derive_t) tmp;
914 } /* while (fgets) */
919 WARNING ("processes: fclose: %s",
920 sstrerror (errno, errbuf, sizeof (errbuf)));
924 } /* procstat_t *ps_read_io */
926 int ps_read_process (int pid, procstat_t *ps, char *state)
937 size_t name_start_pos;
941 derive_t cpu_user_counter;
942 derive_t cpu_system_counter;
943 long long unsigned vmem_size;
944 long long unsigned vmem_rss;
945 long long unsigned stack_size;
947 memset (ps, 0, sizeof (procstat_t));
949 ssnprintf (filename, sizeof (filename), "/proc/%i/stat", pid);
951 buffer_len = read_file_contents (filename,
952 buffer, sizeof(buffer) - 1);
955 buffer[buffer_len] = 0;
957 /* The name of the process is enclosed in parens. Since the name can
958 * contain parens itself, spaces, numbers and pretty much everything
959 * else, use these to determine the process name. We don't use
960 * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
961 * otherwise be required to determine name_len. */
963 while ((buffer[name_start_pos] != '(')
964 && (name_start_pos < buffer_len))
967 name_end_pos = buffer_len;
968 while ((buffer[name_end_pos] != ')')
969 && (name_end_pos > 0))
972 /* Either '(' or ')' is not found or they are in the wrong order.
973 * Anyway, something weird that shouldn't happen ever. */
974 if (name_start_pos >= name_end_pos)
976 ERROR ("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
977 name_start_pos, name_end_pos);
981 name_len = (name_end_pos - name_start_pos) - 1;
982 if (name_len >= sizeof (ps->name))
983 name_len = sizeof (ps->name) - 1;
985 sstrncpy (ps->name, &buffer[name_start_pos + 1], name_len + 1);
987 if ((buffer_len - name_end_pos) < 2)
989 buffer_ptr = &buffer[name_end_pos + 2];
991 fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
994 DEBUG ("processes plugin: ps_read_process (pid = %i):"
995 " `%s' has only %i fields..",
996 (int) pid, filename, fields_len);
1000 *state = fields[0][0];
1009 if ( (ps->num_lwp = ps_read_tasks (pid)) == -1 )
1011 /* returns -1 => kernel 2.4 */
1017 /* Leave the rest at zero if this is only a zombi */
1018 if (ps->num_proc == 0)
1020 DEBUG ("processes plugin: This is only a zombi: pid = %i; "
1021 "name = %s;", pid, ps->name);
1025 cpu_user_counter = atoll (fields[11]);
1026 cpu_system_counter = atoll (fields[12]);
1027 vmem_size = atoll (fields[20]);
1028 vmem_rss = atoll (fields[21]);
1029 ps->vmem_minflt_counter = atol (fields[7]);
1030 ps->vmem_majflt_counter = atol (fields[9]);
1033 unsigned long long stack_start = atoll (fields[25]);
1034 unsigned long long stack_ptr = atoll (fields[26]);
1036 stack_size = (stack_start > stack_ptr)
1037 ? stack_start - stack_ptr
1038 : stack_ptr - stack_start;
1041 /* Convert jiffies to useconds */
1042 cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
1043 cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1044 vmem_rss = vmem_rss * pagesize_g;
1046 if ( (ps_read_vmem(pid, ps)) == NULL)
1051 DEBUG("ps_read_process: did not get vmem data for pid %i",pid);
1054 ps->cpu_user_counter = cpu_user_counter;
1055 ps->cpu_system_counter = cpu_system_counter;
1056 ps->vmem_size = (unsigned long) vmem_size;
1057 ps->vmem_rss = (unsigned long) vmem_rss;
1058 ps->stack_size = (unsigned long) stack_size;
1060 if ( (ps_read_io (pid, ps)) == NULL)
1068 DEBUG("ps_read_process: not get io data for pid %i",pid);
1073 } /* int ps_read_process (...) */
1075 static char *ps_get_cmdline (pid_t pid, char *name, char *buf, size_t buf_len)
1080 char file[PATH_MAX];
1085 if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1088 ssnprintf (file, sizeof (file), "/proc/%u/cmdline",
1089 (unsigned int) pid);
1092 fd = open (file, O_RDONLY);
1095 /* ENOENT means the process exited while we were handling it.
1096 * Don't complain about this, it only fills the logs. */
1097 if (errno != ENOENT)
1098 WARNING ("processes plugin: Failed to open `%s': %s.", file,
1099 sstrerror (errno, errbuf, sizeof (errbuf)));
1111 status = read (fd, (void *)buf_ptr, len);
1116 if ((EAGAIN == errno) || (EINTR == errno))
1119 WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1120 sstrerror (errno, errbuf, sizeof (errbuf)));
1140 /* cmdline not available; e.g. kernel thread, zombie */
1144 ssnprintf (buf, buf_len, "[%s]", name);
1148 assert (n <= buf_len);
1155 /* remove trailing whitespace */
1156 while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1161 /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1168 } /* char *ps_get_cmdline (...) */
1170 static int read_fork_rate ()
1175 _Bool value_valid = 0;
1177 proc_stat = fopen ("/proc/stat", "r");
1178 if (proc_stat == NULL)
1181 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1182 sstrerror (errno, errbuf, sizeof (errbuf)));
1186 while (fgets (buffer, sizeof (buffer), proc_stat) != NULL)
1192 fields_num = strsplit (buffer, fields,
1193 STATIC_ARRAY_SIZE (fields));
1194 if (fields_num != 2)
1197 if (strcmp ("processes", fields[0]) != 0)
1200 status = parse_value (fields[1], &value, DS_TYPE_DERIVE);
1211 ps_submit_fork_rate (value.derive);
1214 #endif /*KERNEL_LINUX */
1217 static const char *ps_get_cmdline (long pid, /* {{{ */
1218 char *buffer, size_t buffer_size)
1220 char path[PATH_MAX];
1224 snprintf(path, sizeof (path), "/proc/%li/psinfo", pid);
1226 status = read_file_contents (path, (void *) &info, sizeof (info));
1227 if (status != sizeof (info))
1229 ERROR ("processes plugin: Unexpected return value "
1230 "while reading \"%s\": "
1231 "Returned %i but expected %zu.",
1232 path, status, buffer_size);
1236 info.pr_psargs[sizeof (info.pr_psargs) - 1] = 0;
1237 sstrncpy (buffer, info.pr_psargs, buffer_size);
1240 } /* }}} int ps_get_cmdline */
1243 * Reads process information on the Solaris OS. The information comes mainly from
1244 * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1245 * The values for input and ouput chars are calculated "by hand"
1246 * Added a few "solaris" specific process states as well
1248 static int ps_read_process(long pid, procstat_t *ps, char *state)
1251 char f_psinfo[64], f_usage[64];
1254 pstatus_t *myStatus;
1258 snprintf(filename, sizeof (filename), "/proc/%li/status", pid);
1259 snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%li/psinfo", pid);
1260 snprintf(f_usage, sizeof (f_usage), "/proc/%li/usage", pid);
1263 buffer = malloc(sizeof (pstatus_t));
1264 memset(buffer, 0, sizeof (pstatus_t));
1265 read_file_contents(filename, buffer, sizeof (pstatus_t));
1266 myStatus = (pstatus_t *) buffer;
1268 buffer = malloc(sizeof (psinfo_t));
1269 memset(buffer, 0, sizeof(psinfo_t));
1270 read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1271 myInfo = (psinfo_t *) buffer;
1273 buffer = malloc(sizeof (prusage_t));
1274 memset(buffer, 0, sizeof(prusage_t));
1275 read_file_contents(f_usage, buffer, sizeof (prusage_t));
1276 myUsage = (prusage_t *) buffer;
1278 sstrncpy(ps->name, myInfo->pr_fname, sizeof (myInfo->pr_fname));
1279 ps->num_lwp = myStatus->pr_nlwp;
1280 if (myInfo->pr_wstat != 0) {
1283 *state = (char) 'Z';
1287 ps->num_lwp = myInfo->pr_nlwp;
1291 * Convert system time and user time from nanoseconds to microseconds
1292 * for compatibility with the linux module
1294 ps->cpu_system_counter = myStatus -> pr_stime.tv_nsec / 1000;
1295 ps->cpu_user_counter = myStatus -> pr_utime.tv_nsec / 1000;
1298 * Convert rssize from KB to bytes to be consistent w/ the linux module
1300 ps->vmem_rss = myInfo->pr_rssize * 1024;
1301 ps->vmem_size = myInfo->pr_size * 1024;
1302 ps->vmem_minflt_counter = myUsage->pr_minf;
1303 ps->vmem_majflt_counter = myUsage->pr_majf;
1306 * TODO: Data and code segment calculations for Solaris
1311 ps->stack_size = myStatus->pr_stksize;
1314 * Calculating input/ouput chars
1315 * Formula used is total chars / total blocks => chars/block
1316 * then convert input/output blocks to chars
1318 ulong_t tot_chars = myUsage->pr_ioch;
1319 ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1320 ulong_t chars_per_block = 1;
1321 if (tot_blocks != 0)
1322 chars_per_block = tot_chars / tot_blocks;
1323 ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1324 ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1325 ps->io_syscr = myUsage->pr_sysc;
1326 ps->io_syscw = myUsage->pr_sysc;
1330 * TODO: Find way of setting BLOCKED and PAGING status
1333 *state = (char) 'R';
1334 if (myStatus->pr_flags & PR_ASLEEP)
1335 *state = (char) 'S';
1336 else if (myStatus->pr_flags & PR_STOPPED)
1337 *state = (char) 'T';
1338 else if (myStatus->pr_flags & PR_DETACH)
1339 *state = (char) 'E';
1340 else if (myStatus->pr_flags & PR_DAEMON)
1341 *state = (char) 'A';
1342 else if (myStatus->pr_flags & PR_ISSYS)
1343 *state = (char) 'Y';
1344 else if (myStatus->pr_flags & PR_ORPHAN)
1345 *state = (char) 'O';
1355 * Reads the number of threads created since the last reboot. On Solaris these
1356 * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1357 * The result is the sum for all the threads created on each cpu
1359 static int read_fork_rate()
1361 extern kstat_ctl_t *kc;
1362 kstat_t *ksp_chain = NULL;
1363 derive_t result = 0;
1368 for (ksp_chain = kc->kc_chain;
1370 ksp_chain = ksp_chain->ks_next)
1372 if ((strcmp (ksp_chain->ks_module, "cpu") == 0)
1373 && (strcmp (ksp_chain->ks_name, "sys") == 0)
1374 && (strcmp (ksp_chain->ks_class, "misc") == 0))
1378 kstat_read (kc, ksp_chain, NULL);
1380 tmp = get_kstat_value(ksp_chain, "nthreads");
1386 ps_submit_fork_rate (result);
1389 #endif /* KERNEL_SOLARIS */
1391 #if HAVE_THREAD_INFO
1392 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1396 struct kinfo_proc kp;
1401 mib[2] = KERN_PROC_PID;
1403 if (pid_for_task (t, pid) != KERN_SUCCESS)
1407 kp_size = sizeof (kp);
1408 if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1411 if (name_max_len > (MAXCOMLEN + 1))
1412 name_max_len = MAXCOMLEN + 1;
1414 strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1415 name[name_max_len - 1] = '\0';
1417 DEBUG ("pid = %i; name = %s;", *pid, name);
1419 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1420 * `top' does it, because it is a lot of work and only used when
1421 * debugging. -octo */
1425 #endif /* HAVE_THREAD_INFO */
1426 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1428 /* do actual readings from kernel */
1429 static int ps_read (void)
1431 #if HAVE_THREAD_INFO
1432 kern_return_t status;
1435 processor_set_t port_pset_priv;
1438 task_array_t task_list;
1439 mach_msg_type_number_t task_list_len;
1442 char task_name[MAXCOMLEN + 1];
1445 thread_act_array_t thread_list;
1446 mach_msg_type_number_t thread_list_len;
1447 thread_basic_info_data_t thread_data;
1448 mach_msg_type_number_t thread_data_len;
1457 procstat_entry_t pse;
1462 * The Mach-concept is a little different from the traditional UNIX
1463 * concept: All the work is done in threads. Threads are contained in
1464 * `tasks'. Therefore, `task status' doesn't make much sense, since
1465 * it's actually a `thread status'.
1466 * Tasks are assigned to sets of processors, so that's where you go to
1469 for (pset = 0; pset < pset_list_len; pset++)
1471 if ((status = host_processor_set_priv (port_host_self,
1473 &port_pset_priv)) != KERN_SUCCESS)
1475 ERROR ("host_processor_set_priv failed: %s\n",
1476 mach_error_string (status));
1480 if ((status = processor_set_tasks (port_pset_priv,
1482 &task_list_len)) != KERN_SUCCESS)
1484 ERROR ("processor_set_tasks failed: %s\n",
1485 mach_error_string (status));
1486 mach_port_deallocate (port_task_self, port_pset_priv);
1490 for (task = 0; task < task_list_len; task++)
1493 if (mach_get_task_name (task_list[task],
1495 task_name, PROCSTAT_NAME_LEN) == 0)
1497 /* search for at least one match */
1498 for (ps = list_head_g; ps != NULL; ps = ps->next)
1499 /* FIXME: cmdline should be here instead of NULL */
1500 if (ps_list_match (task_name, NULL, ps) == 1)
1504 /* Collect more detailed statistics for this process */
1507 task_basic_info_data_t task_basic_info;
1508 mach_msg_type_number_t task_basic_info_len;
1509 task_events_info_data_t task_events_info;
1510 mach_msg_type_number_t task_events_info_len;
1511 task_absolutetime_info_data_t task_absolutetime_info;
1512 mach_msg_type_number_t task_absolutetime_info_len;
1514 memset (&pse, '\0', sizeof (pse));
1517 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1518 status = task_info (task_list[task],
1520 (task_info_t) &task_basic_info,
1521 &task_basic_info_len);
1522 if (status != KERN_SUCCESS)
1524 ERROR ("task_info failed: %s",
1525 mach_error_string (status));
1526 continue; /* with next thread_list */
1529 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1530 status = task_info (task_list[task],
1532 (task_info_t) &task_events_info,
1533 &task_events_info_len);
1534 if (status != KERN_SUCCESS)
1536 ERROR ("task_info failed: %s",
1537 mach_error_string (status));
1538 continue; /* with next thread_list */
1541 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1542 status = task_info (task_list[task],
1543 TASK_ABSOLUTETIME_INFO,
1544 (task_info_t) &task_absolutetime_info,
1545 &task_absolutetime_info_len);
1546 if (status != KERN_SUCCESS)
1548 ERROR ("task_info failed: %s",
1549 mach_error_string (status));
1550 continue; /* with next thread_list */
1554 pse.vmem_size = task_basic_info.virtual_size;
1555 pse.vmem_rss = task_basic_info.resident_size;
1556 /* Does not seem to be easily exposed */
1560 pse.vmem_minflt_counter = task_events_info.cow_faults;
1561 pse.vmem_majflt_counter = task_events_info.faults;
1563 pse.cpu_user_counter = task_absolutetime_info.total_user;
1564 pse.cpu_system_counter = task_absolutetime_info.total_system;
1567 status = task_threads (task_list[task], &thread_list,
1569 if (status != KERN_SUCCESS)
1571 /* Apple's `top' treats this case a zombie. It
1572 * makes sense to some extend: A `zombie'
1573 * thread is nonsense, since the task/process
1576 DEBUG ("task_threads failed: %s",
1577 mach_error_string (status));
1578 if (task_list[task] != port_task_self)
1579 mach_port_deallocate (port_task_self,
1581 continue; /* with next task_list */
1584 for (thread = 0; thread < thread_list_len; thread++)
1586 thread_data_len = THREAD_BASIC_INFO_COUNT;
1587 status = thread_info (thread_list[thread],
1589 (thread_info_t) &thread_data,
1591 if (status != KERN_SUCCESS)
1593 ERROR ("thread_info failed: %s",
1594 mach_error_string (status));
1595 if (task_list[task] != port_task_self)
1596 mach_port_deallocate (port_task_self,
1597 thread_list[thread]);
1598 continue; /* with next thread_list */
1604 switch (thread_data.run_state)
1606 case TH_STATE_RUNNING:
1609 case TH_STATE_STOPPED:
1610 /* What exactly is `halted'? */
1611 case TH_STATE_HALTED:
1614 case TH_STATE_WAITING:
1617 case TH_STATE_UNINTERRUPTIBLE:
1620 /* There is no `zombie' case here,
1621 * since there are no zombie-threads.
1622 * There's only zombie tasks, which are
1625 WARNING ("Unknown thread status: %i",
1626 thread_data.run_state);
1628 } /* switch (thread_data.run_state) */
1630 if (task_list[task] != port_task_self)
1632 status = mach_port_deallocate (port_task_self,
1633 thread_list[thread]);
1634 if (status != KERN_SUCCESS)
1635 ERROR ("mach_port_deallocate failed: %s",
1636 mach_error_string (status));
1638 } /* for (thread_list) */
1640 if ((status = vm_deallocate (port_task_self,
1641 (vm_address_t) thread_list,
1642 thread_list_len * sizeof (thread_act_t)))
1645 ERROR ("vm_deallocate failed: %s",
1646 mach_error_string (status));
1649 thread_list_len = 0;
1651 /* Only deallocate the task port, if it isn't our own.
1652 * Don't know what would happen in that case, but this
1653 * is what Apple's top does.. ;) */
1654 if (task_list[task] != port_task_self)
1656 status = mach_port_deallocate (port_task_self,
1658 if (status != KERN_SUCCESS)
1659 ERROR ("mach_port_deallocate failed: %s",
1660 mach_error_string (status));
1664 /* FIXME: cmdline should be here instead of NULL */
1665 ps_list_add (task_name, NULL, &pse);
1666 } /* for (task_list) */
1668 if ((status = vm_deallocate (port_task_self,
1669 (vm_address_t) task_list,
1670 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1672 ERROR ("vm_deallocate failed: %s",
1673 mach_error_string (status));
1678 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1681 ERROR ("mach_port_deallocate failed: %s",
1682 mach_error_string (status));
1684 } /* for (pset_list) */
1686 ps_submit_state ("running", running);
1687 ps_submit_state ("sleeping", sleeping);
1688 ps_submit_state ("zombies", zombies);
1689 ps_submit_state ("stopped", stopped);
1690 ps_submit_state ("blocked", blocked);
1692 for (ps = list_head_g; ps != NULL; ps = ps->next)
1693 ps_submit_proc_list (ps);
1694 /* #endif HAVE_THREAD_INFO */
1708 char cmdline[CMDLINE_BUFFER_SIZE];
1712 procstat_entry_t pse;
1717 running = sleeping = zombies = stopped = paging = blocked = 0;
1720 if ((proc = opendir ("/proc")) == NULL)
1723 ERROR ("Cannot open `/proc': %s",
1724 sstrerror (errno, errbuf, sizeof (errbuf)));
1728 while ((ent = readdir (proc)) != NULL)
1730 if (!isdigit (ent->d_name[0]))
1733 if ((pid = atoi (ent->d_name)) < 1)
1736 status = ps_read_process (pid, &ps, &state);
1739 DEBUG ("ps_read_process failed: %i", status);
1746 pse.num_proc = ps.num_proc;
1747 pse.num_lwp = ps.num_lwp;
1748 pse.vmem_size = ps.vmem_size;
1749 pse.vmem_rss = ps.vmem_rss;
1750 pse.vmem_data = ps.vmem_data;
1751 pse.vmem_code = ps.vmem_code;
1752 pse.stack_size = ps.stack_size;
1754 pse.vmem_minflt = 0;
1755 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1756 pse.vmem_majflt = 0;
1757 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1760 pse.cpu_user_counter = ps.cpu_user_counter;
1762 pse.cpu_system_counter = ps.cpu_system_counter;
1764 pse.io_rchar = ps.io_rchar;
1765 pse.io_wchar = ps.io_wchar;
1766 pse.io_syscr = ps.io_syscr;
1767 pse.io_syscw = ps.io_syscw;
1771 case 'R': running++; break;
1772 case 'S': sleeping++; break;
1773 case 'D': blocked++; break;
1774 case 'Z': zombies++; break;
1775 case 'T': stopped++; break;
1776 case 'W': paging++; break;
1779 ps_list_add (ps.name,
1780 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1786 ps_submit_state ("running", running);
1787 ps_submit_state ("sleeping", sleeping);
1788 ps_submit_state ("zombies", zombies);
1789 ps_submit_state ("stopped", stopped);
1790 ps_submit_state ("paging", paging);
1791 ps_submit_state ("blocked", blocked);
1793 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1794 ps_submit_proc_list (ps_ptr);
1797 /* #endif KERNEL_LINUX */
1799 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1809 char errbuf[_POSIX2_LINE_MAX];
1810 struct kinfo_proc *procs; /* array of processes */
1811 struct kinfo_proc *proc_ptr = NULL;
1812 int count; /* returns number of processes */
1816 procstat_entry_t pse;
1820 /* Open the kvm interface, get a descriptor */
1821 kd = kvm_openfiles (NULL, "/dev/null", NULL, 0, errbuf);
1824 ERROR ("processes plugin: Cannot open kvm interface: %s",
1829 /* Get the list of processes. */
1830 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1833 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1839 /* Iterate through the processes in kinfo_proc */
1840 for (i = 0; i < count; i++)
1842 /* Create only one process list entry per _process_, i.e.
1843 * filter out threads (duplicate PID entries). */
1844 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1846 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1847 _Bool have_cmdline = 0;
1849 proc_ptr = &(procs[i]);
1850 /* Don't probe system processes and processes without arguments */
1851 if (((procs[i].ki_flag & P_SYSTEM) == 0)
1852 && (procs[i].ki_args != NULL))
1858 /* retrieve the arguments */
1859 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1861 if ((argv != NULL) && (argv[0] != NULL))
1863 while (argv[argc] != NULL)
1866 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1868 WARNING ("processes plugin: Command line did not fit into buffer.");
1872 } /* if (process has argument list) */
1874 pse.id = procs[i].ki_pid;
1878 pse.num_lwp = procs[i].ki_numthreads;
1880 pse.vmem_size = procs[i].ki_size;
1881 pse.vmem_rss = procs[i].ki_rssize * pagesize;
1882 pse.vmem_data = procs[i].ki_dsize * pagesize;
1883 pse.vmem_code = procs[i].ki_tsize * pagesize;
1884 pse.stack_size = procs[i].ki_ssize * pagesize;
1885 pse.vmem_minflt = 0;
1886 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1887 pse.vmem_majflt = 0;
1888 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1892 pse.cpu_user_counter = 0;
1893 pse.cpu_system_counter = 0;
1895 * The u-area might be swapped out, and we can't get
1896 * at it because we have a crashdump and no swap.
1897 * If it's here fill in these fields, otherwise, just
1900 if (procs[i].ki_flag & P_INMEM)
1902 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
1903 + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
1904 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
1905 + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
1914 ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
1915 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
1917 switch (procs[i].ki_stat)
1919 case SSTOP: stopped++; break;
1920 case SSLEEP: sleeping++; break;
1921 case SRUN: running++; break;
1922 case SIDL: idle++; break;
1923 case SWAIT: wait++; break;
1924 case SLOCK: blocked++; break;
1925 case SZOMB: zombies++; break;
1931 ps_submit_state ("running", running);
1932 ps_submit_state ("sleeping", sleeping);
1933 ps_submit_state ("zombies", zombies);
1934 ps_submit_state ("stopped", stopped);
1935 ps_submit_state ("blocked", blocked);
1936 ps_submit_state ("idle", idle);
1937 ps_submit_state ("wait", wait);
1939 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1940 ps_submit_proc_list (ps_ptr);
1941 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
1943 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD
1954 struct kinfo_proc *procs; /* array of processes */
1955 struct kinfo_proc *proc_ptr = NULL;
1956 int count; /* returns number of processes */
1960 procstat_entry_t pse;
1964 /* Open the kvm interface, get a descriptor */
1965 kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
1968 ERROR ("processes plugin: Cannot open kvm interface: %s",
1973 /* Get the list of processes. */
1974 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
1977 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1983 /* Iterate through the processes in kinfo_proc */
1984 for (i = 0; i < count; i++)
1986 /* Create only one process list entry per _process_, i.e.
1987 * filter out threads (duplicate PID entries). */
1988 if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid))
1990 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1991 _Bool have_cmdline = 0;
1993 proc_ptr = &(procs[i]);
1994 /* Don't probe zombie processes */
1995 if (!P_ZOMBIE(proc_ptr))
2001 /* retrieve the arguments */
2002 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
2004 if ((argv != NULL) && (argv[0] != NULL))
2006 while (argv[argc] != NULL)
2009 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
2011 WARNING ("processes plugin: Command line did not fit into buffer.");
2015 } /* if (process has argument list) */
2017 pse.id = procs[i].p_pid;
2021 pse.num_lwp = 1; /* XXX: accumulate p_tid values for a single p_pid ? */
2023 pse.vmem_rss = procs[i].p_vm_rssize * pagesize;
2024 pse.vmem_data = procs[i].p_vm_dsize * pagesize;
2025 pse.vmem_code = procs[i].p_vm_tsize * pagesize;
2026 pse.stack_size = procs[i].p_vm_ssize * pagesize;
2027 pse.vmem_size = pse.stack_size + pse.vmem_code + pse.vmem_data;
2028 pse.vmem_minflt = 0;
2029 pse.vmem_minflt_counter = procs[i].p_uru_minflt;
2030 pse.vmem_majflt = 0;
2031 pse.vmem_majflt_counter = procs[i].p_uru_majflt;
2035 pse.cpu_user_counter = procs[i].p_uutime_usec +
2036 (1000000lu * procs[i].p_uutime_sec);
2037 pse.cpu_system_counter = procs[i].p_ustime_usec +
2038 (1000000lu * procs[i].p_ustime_sec);
2046 ps_list_add (procs[i].p_comm, have_cmdline ? cmdline : NULL, &pse);
2047 } /* if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) */
2049 switch (procs[i].p_stat)
2051 case SSTOP: stopped++; break;
2052 case SSLEEP: sleeping++; break;
2053 case SRUN: running++; break;
2054 case SIDL: idle++; break;
2055 case SONPROC: onproc++; break;
2056 case SDEAD: dead++; break;
2057 case SZOMB: zombies++; break;
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 ("onproc", onproc);
2068 ps_submit_state ("idle", idle);
2069 ps_submit_state ("dead", dead);
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_OPENBSD */
2075 #elif HAVE_PROCINFO_H
2088 procstat_entry_t pse;
2091 while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
2092 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
2093 &pindex, MAXPROCENTRY)) > 0)
2097 for (i = 0; i < nprocs; i++)
2101 char arglist[MAXARGLN+1];
2105 if (procentry[i].pi_state == SNONE) continue;
2106 /* if (procentry[i].pi_state == SZOMB) FIXME */
2108 cmdline = procentry[i].pi_comm;
2109 cargs = procentry[i].pi_comm;
2110 if ( procentry[i].pi_flags & SKPROC )
2112 if (procentry[i].pi_pid == 0)
2113 cmdline = "swapper";
2118 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
2123 while (++n < MAXARGLN)
2125 if (arglist[n] == '\0')
2127 if (arglist[n+1] == '\0')
2136 pse.id = procentry[i].pi_pid;
2138 pse.num_lwp = procentry[i].pi_thcount;
2142 while ((nthreads = getthrds64(procentry[i].pi_pid,
2143 thrdentry, sizeof(struct thrdentry64),
2144 &thindex, MAXTHRDENTRY)) > 0)
2148 for (j=0; j< nthreads; j++)
2150 switch (thrdentry[j].ti_state)
2152 /* case TSNONE: break; */
2153 case TSIDL: blocked++; break; /* FIXME is really blocked */
2154 case TSRUN: running++; break;
2155 case TSSLEEP: sleeping++; break;
2156 case TSSWAP: paging++; break;
2157 case TSSTOP: stopped++; break;
2158 case TSZOMB: zombies++; break;
2161 if (nthreads < MAXTHRDENTRY)
2166 /* tv_usec is nanosec ??? */
2167 pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2168 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2171 /* tv_usec is nanosec ??? */
2172 pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2173 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2175 pse.vmem_minflt = 0;
2176 pse.vmem_minflt_counter = procentry[i].pi_minflt;
2177 pse.vmem_majflt = 0;
2178 pse.vmem_majflt_counter = procentry[i].pi_majflt;
2180 pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2181 pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2192 ps_list_add (cmdline, cargs, &pse);
2193 } /* for (i = 0 .. nprocs) */
2195 if (nprocs < MAXPROCENTRY)
2197 } /* while (getprocs64() > 0) */
2198 ps_submit_state ("running", running);
2199 ps_submit_state ("sleeping", sleeping);
2200 ps_submit_state ("zombies", zombies);
2201 ps_submit_state ("stopped", stopped);
2202 ps_submit_state ("paging", paging);
2203 ps_submit_state ("blocked", blocked);
2205 for (ps = list_head_g; ps != NULL; ps = ps->next)
2206 ps_submit_proc_list (ps);
2207 /* #endif HAVE_PROCINFO_H */
2209 #elif KERNEL_SOLARIS
2211 * The Solaris section adds a few more process states and removes some
2212 * process states compared to linux. Most notably there is no "PAGING"
2213 * and "BLOCKED" state for a process. The rest is similar to the linux
2232 char cmdline[PRARGSZ];
2236 proc = opendir ("/proc");
2240 while ((ent = readdir(proc)) != NULL)
2244 procstat_entry_t pse;
2247 if (!isdigit ((int) ent->d_name[0]))
2250 pid = strtol (ent->d_name, &endptr, 10);
2251 if (*endptr != 0) /* value didn't completely parse as a number */
2254 status = ps_read_process (pid, &ps, &state);
2257 DEBUG("ps_read_process failed: %i", status);
2264 pse.num_proc = ps.num_proc;
2265 pse.num_lwp = ps.num_lwp;
2266 pse.vmem_size = ps.vmem_size;
2267 pse.vmem_rss = ps.vmem_rss;
2268 pse.vmem_data = ps.vmem_data;
2269 pse.vmem_code = ps.vmem_code;
2270 pse.stack_size = ps.stack_size;
2272 pse.vmem_minflt = 0;
2273 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2274 pse.vmem_majflt = 0;
2275 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2278 pse.cpu_user_counter = ps.cpu_user_counter;
2280 pse.cpu_system_counter = ps.cpu_system_counter;
2282 pse.io_rchar = ps.io_rchar;
2283 pse.io_wchar = ps.io_wchar;
2284 pse.io_syscr = ps.io_syscr;
2285 pse.io_syscw = ps.io_syscw;
2289 case 'R': running++; break;
2290 case 'S': sleeping++; break;
2291 case 'E': detached++; break;
2292 case 'Z': zombies++; break;
2293 case 'T': stopped++; break;
2294 case 'A': daemon++; break;
2295 case 'Y': system++; break;
2296 case 'O': orphan++; break;
2300 ps_list_add (ps.name,
2301 ps_get_cmdline (pid, cmdline, sizeof (cmdline)),
2303 } /* while(readdir) */
2306 ps_submit_state ("running", running);
2307 ps_submit_state ("sleeping", sleeping);
2308 ps_submit_state ("zombies", zombies);
2309 ps_submit_state ("stopped", stopped);
2310 ps_submit_state ("detached", detached);
2311 ps_submit_state ("daemon", daemon);
2312 ps_submit_state ("system", system);
2313 ps_submit_state ("orphan", orphan);
2315 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2316 ps_submit_proc_list (ps_ptr);
2319 #endif /* KERNEL_SOLARIS */
2324 void module_register (void)
2326 plugin_register_complex_config ("processes", ps_config);
2327 plugin_register_init ("processes", ps_init);
2328 plugin_register_read ("processes", ps_read);
2329 } /* void module_register */