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 /* Read data from /proc/pid/status */
782 static procstat_t *ps_read_status (int pid, procstat_t *ps)
787 unsigned long lib = 0;
788 unsigned long exe = 0;
789 unsigned long data = 0;
790 unsigned long threads = 0;
794 ssnprintf (filename, sizeof (filename), "/proc/%i/status", pid);
795 if ((fh = fopen (filename, "r")) == NULL)
798 while (fgets (buffer, sizeof(buffer), fh) != NULL)
803 if (strncmp (buffer, "Vm", 2) != 0
804 && strncmp (buffer, "Threads", 7) != 0)
807 numfields = strsplit (buffer, fields,
808 STATIC_ARRAY_SIZE (fields));
815 tmp = strtoul (fields[1], &endptr, /* base = */ 10);
816 if ((errno == 0) && (endptr != fields[1]))
818 if (strncmp (buffer, "VmData", 6) == 0)
822 else if (strncmp (buffer, "VmLib", 5) == 0)
826 else if (strncmp(buffer, "VmExe", 5) == 0)
830 else if (strncmp(buffer, "Threads", 7) == 0)
835 } /* while (fgets) */
840 WARNING ("processes: fclose: %s",
841 sstrerror (errno, errbuf, sizeof (errbuf)));
844 ps->vmem_data = data * 1024;
845 ps->vmem_code = (exe + lib) * 1024;
846 ps->num_lwp = threads;
849 } /* procstat_t *ps_read_vmem */
851 static procstat_t *ps_read_io (int pid, procstat_t *ps)
860 ssnprintf (filename, sizeof (filename), "/proc/%i/io", pid);
861 if ((fh = fopen (filename, "r")) == NULL)
864 while (fgets (buffer, sizeof (buffer), fh) != NULL)
866 derive_t *val = NULL;
870 if (strncasecmp (buffer, "rchar:", 6) == 0)
871 val = &(ps->io_rchar);
872 else if (strncasecmp (buffer, "wchar:", 6) == 0)
873 val = &(ps->io_wchar);
874 else if (strncasecmp (buffer, "syscr:", 6) == 0)
875 val = &(ps->io_syscr);
876 else if (strncasecmp (buffer, "syscw:", 6) == 0)
877 val = &(ps->io_syscw);
881 numfields = strsplit (buffer, fields,
882 STATIC_ARRAY_SIZE (fields));
889 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
890 if ((errno != 0) || (endptr == fields[1]))
893 *val = (derive_t) tmp;
894 } /* while (fgets) */
899 WARNING ("processes: fclose: %s",
900 sstrerror (errno, errbuf, sizeof (errbuf)));
904 } /* procstat_t *ps_read_io */
906 int ps_read_process (int pid, procstat_t *ps, char *state)
917 size_t name_start_pos;
921 derive_t cpu_user_counter;
922 derive_t cpu_system_counter;
923 long long unsigned vmem_size;
924 long long unsigned vmem_rss;
925 long long unsigned stack_size;
927 memset (ps, 0, sizeof (procstat_t));
929 ssnprintf (filename, sizeof (filename), "/proc/%i/stat", pid);
931 buffer_len = read_file_contents (filename,
932 buffer, sizeof(buffer) - 1);
935 buffer[buffer_len] = 0;
937 /* The name of the process is enclosed in parens. Since the name can
938 * contain parens itself, spaces, numbers and pretty much everything
939 * else, use these to determine the process name. We don't use
940 * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
941 * otherwise be required to determine name_len. */
943 while ((buffer[name_start_pos] != '(')
944 && (name_start_pos < buffer_len))
947 name_end_pos = buffer_len;
948 while ((buffer[name_end_pos] != ')')
949 && (name_end_pos > 0))
952 /* Either '(' or ')' is not found or they are in the wrong order.
953 * Anyway, something weird that shouldn't happen ever. */
954 if (name_start_pos >= name_end_pos)
956 ERROR ("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
957 name_start_pos, name_end_pos);
961 name_len = (name_end_pos - name_start_pos) - 1;
962 if (name_len >= sizeof (ps->name))
963 name_len = sizeof (ps->name) - 1;
965 sstrncpy (ps->name, &buffer[name_start_pos + 1], name_len + 1);
967 if ((buffer_len - name_end_pos) < 2)
969 buffer_ptr = &buffer[name_end_pos + 2];
971 fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
974 DEBUG ("processes plugin: ps_read_process (pid = %i):"
975 " `%s' has only %i fields..",
976 (int) pid, filename, fields_len);
980 *state = fields[0][0];
989 if ( (ps_read_status(pid, ps)) == NULL)
995 DEBUG("ps_read_process: did not get vmem data for pid %i",pid);
997 if ( ps->num_lwp <= 0)
1004 /* Leave the rest at zero if this is only a zombi */
1005 if (ps->num_proc == 0)
1007 DEBUG ("processes plugin: This is only a zombi: pid = %i; "
1008 "name = %s;", pid, ps->name);
1012 cpu_user_counter = atoll (fields[11]);
1013 cpu_system_counter = atoll (fields[12]);
1014 vmem_size = atoll (fields[20]);
1015 vmem_rss = atoll (fields[21]);
1016 ps->vmem_minflt_counter = atol (fields[7]);
1017 ps->vmem_majflt_counter = atol (fields[9]);
1020 unsigned long long stack_start = atoll (fields[25]);
1021 unsigned long long stack_ptr = atoll (fields[26]);
1023 stack_size = (stack_start > stack_ptr)
1024 ? stack_start - stack_ptr
1025 : stack_ptr - stack_start;
1028 /* Convert jiffies to useconds */
1029 cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
1030 cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1031 vmem_rss = vmem_rss * pagesize_g;
1033 ps->cpu_user_counter = cpu_user_counter;
1034 ps->cpu_system_counter = cpu_system_counter;
1035 ps->vmem_size = (unsigned long) vmem_size;
1036 ps->vmem_rss = (unsigned long) vmem_rss;
1037 ps->stack_size = (unsigned long) stack_size;
1039 if ( (ps_read_io (pid, ps)) == NULL)
1047 DEBUG("ps_read_process: not get io data for pid %i",pid);
1052 } /* int ps_read_process (...) */
1054 static char *ps_get_cmdline (pid_t pid, char *name, char *buf, size_t buf_len)
1059 char file[PATH_MAX];
1064 if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1067 ssnprintf (file, sizeof (file), "/proc/%u/cmdline",
1068 (unsigned int) pid);
1071 fd = open (file, O_RDONLY);
1074 /* ENOENT means the process exited while we were handling it.
1075 * Don't complain about this, it only fills the logs. */
1076 if (errno != ENOENT)
1077 WARNING ("processes plugin: Failed to open `%s': %s.", file,
1078 sstrerror (errno, errbuf, sizeof (errbuf)));
1090 status = read (fd, (void *)buf_ptr, len);
1095 if ((EAGAIN == errno) || (EINTR == errno))
1098 WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1099 sstrerror (errno, errbuf, sizeof (errbuf)));
1119 /* cmdline not available; e.g. kernel thread, zombie */
1123 ssnprintf (buf, buf_len, "[%s]", name);
1127 assert (n <= buf_len);
1134 /* remove trailing whitespace */
1135 while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1140 /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1147 } /* char *ps_get_cmdline (...) */
1149 static int read_fork_rate ()
1154 _Bool value_valid = 0;
1156 proc_stat = fopen ("/proc/stat", "r");
1157 if (proc_stat == NULL)
1160 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1161 sstrerror (errno, errbuf, sizeof (errbuf)));
1165 while (fgets (buffer, sizeof (buffer), proc_stat) != NULL)
1171 fields_num = strsplit (buffer, fields,
1172 STATIC_ARRAY_SIZE (fields));
1173 if (fields_num != 2)
1176 if (strcmp ("processes", fields[0]) != 0)
1179 status = parse_value (fields[1], &value, DS_TYPE_DERIVE);
1190 ps_submit_fork_rate (value.derive);
1193 #endif /*KERNEL_LINUX */
1196 static const char *ps_get_cmdline (long pid, /* {{{ */
1197 char *buffer, size_t buffer_size)
1199 char path[PATH_MAX];
1203 snprintf(path, sizeof (path), "/proc/%li/psinfo", pid);
1205 status = read_file_contents (path, (void *) &info, sizeof (info));
1206 if (status != sizeof (info))
1208 ERROR ("processes plugin: Unexpected return value "
1209 "while reading \"%s\": "
1210 "Returned %i but expected %zu.",
1211 path, status, buffer_size);
1215 info.pr_psargs[sizeof (info.pr_psargs) - 1] = 0;
1216 sstrncpy (buffer, info.pr_psargs, buffer_size);
1219 } /* }}} int ps_get_cmdline */
1222 * Reads process information on the Solaris OS. The information comes mainly from
1223 * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1224 * The values for input and ouput chars are calculated "by hand"
1225 * Added a few "solaris" specific process states as well
1227 static int ps_read_process(long pid, procstat_t *ps, char *state)
1230 char f_psinfo[64], f_usage[64];
1233 pstatus_t *myStatus;
1237 snprintf(filename, sizeof (filename), "/proc/%li/status", pid);
1238 snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%li/psinfo", pid);
1239 snprintf(f_usage, sizeof (f_usage), "/proc/%li/usage", pid);
1242 buffer = malloc(sizeof (pstatus_t));
1243 memset(buffer, 0, sizeof (pstatus_t));
1244 read_file_contents(filename, buffer, sizeof (pstatus_t));
1245 myStatus = (pstatus_t *) buffer;
1247 buffer = malloc(sizeof (psinfo_t));
1248 memset(buffer, 0, sizeof(psinfo_t));
1249 read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1250 myInfo = (psinfo_t *) buffer;
1252 buffer = malloc(sizeof (prusage_t));
1253 memset(buffer, 0, sizeof(prusage_t));
1254 read_file_contents(f_usage, buffer, sizeof (prusage_t));
1255 myUsage = (prusage_t *) buffer;
1257 sstrncpy(ps->name, myInfo->pr_fname, sizeof (myInfo->pr_fname));
1258 ps->num_lwp = myStatus->pr_nlwp;
1259 if (myInfo->pr_wstat != 0) {
1262 *state = (char) 'Z';
1266 ps->num_lwp = myInfo->pr_nlwp;
1270 * Convert system time and user time from nanoseconds to microseconds
1271 * for compatibility with the linux module
1273 ps->cpu_system_counter = myStatus -> pr_stime.tv_nsec / 1000;
1274 ps->cpu_user_counter = myStatus -> pr_utime.tv_nsec / 1000;
1277 * Convert rssize from KB to bytes to be consistent w/ the linux module
1279 ps->vmem_rss = myInfo->pr_rssize * 1024;
1280 ps->vmem_size = myInfo->pr_size * 1024;
1281 ps->vmem_minflt_counter = myUsage->pr_minf;
1282 ps->vmem_majflt_counter = myUsage->pr_majf;
1285 * TODO: Data and code segment calculations for Solaris
1290 ps->stack_size = myStatus->pr_stksize;
1293 * Calculating input/ouput chars
1294 * Formula used is total chars / total blocks => chars/block
1295 * then convert input/output blocks to chars
1297 ulong_t tot_chars = myUsage->pr_ioch;
1298 ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1299 ulong_t chars_per_block = 1;
1300 if (tot_blocks != 0)
1301 chars_per_block = tot_chars / tot_blocks;
1302 ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1303 ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1304 ps->io_syscr = myUsage->pr_sysc;
1305 ps->io_syscw = myUsage->pr_sysc;
1309 * TODO: Find way of setting BLOCKED and PAGING status
1312 *state = (char) 'R';
1313 if (myStatus->pr_flags & PR_ASLEEP)
1314 *state = (char) 'S';
1315 else if (myStatus->pr_flags & PR_STOPPED)
1316 *state = (char) 'T';
1317 else if (myStatus->pr_flags & PR_DETACH)
1318 *state = (char) 'E';
1319 else if (myStatus->pr_flags & PR_DAEMON)
1320 *state = (char) 'A';
1321 else if (myStatus->pr_flags & PR_ISSYS)
1322 *state = (char) 'Y';
1323 else if (myStatus->pr_flags & PR_ORPHAN)
1324 *state = (char) 'O';
1334 * Reads the number of threads created since the last reboot. On Solaris these
1335 * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1336 * The result is the sum for all the threads created on each cpu
1338 static int read_fork_rate()
1340 extern kstat_ctl_t *kc;
1341 kstat_t *ksp_chain = NULL;
1342 derive_t result = 0;
1347 for (ksp_chain = kc->kc_chain;
1349 ksp_chain = ksp_chain->ks_next)
1351 if ((strcmp (ksp_chain->ks_module, "cpu") == 0)
1352 && (strcmp (ksp_chain->ks_name, "sys") == 0)
1353 && (strcmp (ksp_chain->ks_class, "misc") == 0))
1357 kstat_read (kc, ksp_chain, NULL);
1359 tmp = get_kstat_value(ksp_chain, "nthreads");
1365 ps_submit_fork_rate (result);
1368 #endif /* KERNEL_SOLARIS */
1370 #if HAVE_THREAD_INFO
1371 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1375 struct kinfo_proc kp;
1380 mib[2] = KERN_PROC_PID;
1382 if (pid_for_task (t, pid) != KERN_SUCCESS)
1386 kp_size = sizeof (kp);
1387 if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1390 if (name_max_len > (MAXCOMLEN + 1))
1391 name_max_len = MAXCOMLEN + 1;
1393 strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1394 name[name_max_len - 1] = '\0';
1396 DEBUG ("pid = %i; name = %s;", *pid, name);
1398 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1399 * `top' does it, because it is a lot of work and only used when
1400 * debugging. -octo */
1404 #endif /* HAVE_THREAD_INFO */
1405 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1407 /* do actual readings from kernel */
1408 static int ps_read (void)
1410 #if HAVE_THREAD_INFO
1411 kern_return_t status;
1414 processor_set_t port_pset_priv;
1417 task_array_t task_list;
1418 mach_msg_type_number_t task_list_len;
1421 char task_name[MAXCOMLEN + 1];
1424 thread_act_array_t thread_list;
1425 mach_msg_type_number_t thread_list_len;
1426 thread_basic_info_data_t thread_data;
1427 mach_msg_type_number_t thread_data_len;
1436 procstat_entry_t pse;
1441 * The Mach-concept is a little different from the traditional UNIX
1442 * concept: All the work is done in threads. Threads are contained in
1443 * `tasks'. Therefore, `task status' doesn't make much sense, since
1444 * it's actually a `thread status'.
1445 * Tasks are assigned to sets of processors, so that's where you go to
1448 for (pset = 0; pset < pset_list_len; pset++)
1450 if ((status = host_processor_set_priv (port_host_self,
1452 &port_pset_priv)) != KERN_SUCCESS)
1454 ERROR ("host_processor_set_priv failed: %s\n",
1455 mach_error_string (status));
1459 if ((status = processor_set_tasks (port_pset_priv,
1461 &task_list_len)) != KERN_SUCCESS)
1463 ERROR ("processor_set_tasks failed: %s\n",
1464 mach_error_string (status));
1465 mach_port_deallocate (port_task_self, port_pset_priv);
1469 for (task = 0; task < task_list_len; task++)
1472 if (mach_get_task_name (task_list[task],
1474 task_name, PROCSTAT_NAME_LEN) == 0)
1476 /* search for at least one match */
1477 for (ps = list_head_g; ps != NULL; ps = ps->next)
1478 /* FIXME: cmdline should be here instead of NULL */
1479 if (ps_list_match (task_name, NULL, ps) == 1)
1483 /* Collect more detailed statistics for this process */
1486 task_basic_info_data_t task_basic_info;
1487 mach_msg_type_number_t task_basic_info_len;
1488 task_events_info_data_t task_events_info;
1489 mach_msg_type_number_t task_events_info_len;
1490 task_absolutetime_info_data_t task_absolutetime_info;
1491 mach_msg_type_number_t task_absolutetime_info_len;
1493 memset (&pse, '\0', sizeof (pse));
1496 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1497 status = task_info (task_list[task],
1499 (task_info_t) &task_basic_info,
1500 &task_basic_info_len);
1501 if (status != KERN_SUCCESS)
1503 ERROR ("task_info failed: %s",
1504 mach_error_string (status));
1505 continue; /* with next thread_list */
1508 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1509 status = task_info (task_list[task],
1511 (task_info_t) &task_events_info,
1512 &task_events_info_len);
1513 if (status != KERN_SUCCESS)
1515 ERROR ("task_info failed: %s",
1516 mach_error_string (status));
1517 continue; /* with next thread_list */
1520 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1521 status = task_info (task_list[task],
1522 TASK_ABSOLUTETIME_INFO,
1523 (task_info_t) &task_absolutetime_info,
1524 &task_absolutetime_info_len);
1525 if (status != KERN_SUCCESS)
1527 ERROR ("task_info failed: %s",
1528 mach_error_string (status));
1529 continue; /* with next thread_list */
1533 pse.vmem_size = task_basic_info.virtual_size;
1534 pse.vmem_rss = task_basic_info.resident_size;
1535 /* Does not seem to be easily exposed */
1539 pse.vmem_minflt_counter = task_events_info.cow_faults;
1540 pse.vmem_majflt_counter = task_events_info.faults;
1542 pse.cpu_user_counter = task_absolutetime_info.total_user;
1543 pse.cpu_system_counter = task_absolutetime_info.total_system;
1546 status = task_threads (task_list[task], &thread_list,
1548 if (status != KERN_SUCCESS)
1550 /* Apple's `top' treats this case a zombie. It
1551 * makes sense to some extend: A `zombie'
1552 * thread is nonsense, since the task/process
1555 DEBUG ("task_threads failed: %s",
1556 mach_error_string (status));
1557 if (task_list[task] != port_task_self)
1558 mach_port_deallocate (port_task_self,
1560 continue; /* with next task_list */
1563 for (thread = 0; thread < thread_list_len; thread++)
1565 thread_data_len = THREAD_BASIC_INFO_COUNT;
1566 status = thread_info (thread_list[thread],
1568 (thread_info_t) &thread_data,
1570 if (status != KERN_SUCCESS)
1572 ERROR ("thread_info failed: %s",
1573 mach_error_string (status));
1574 if (task_list[task] != port_task_self)
1575 mach_port_deallocate (port_task_self,
1576 thread_list[thread]);
1577 continue; /* with next thread_list */
1583 switch (thread_data.run_state)
1585 case TH_STATE_RUNNING:
1588 case TH_STATE_STOPPED:
1589 /* What exactly is `halted'? */
1590 case TH_STATE_HALTED:
1593 case TH_STATE_WAITING:
1596 case TH_STATE_UNINTERRUPTIBLE:
1599 /* There is no `zombie' case here,
1600 * since there are no zombie-threads.
1601 * There's only zombie tasks, which are
1604 WARNING ("Unknown thread status: %i",
1605 thread_data.run_state);
1607 } /* switch (thread_data.run_state) */
1609 if (task_list[task] != port_task_self)
1611 status = mach_port_deallocate (port_task_self,
1612 thread_list[thread]);
1613 if (status != KERN_SUCCESS)
1614 ERROR ("mach_port_deallocate failed: %s",
1615 mach_error_string (status));
1617 } /* for (thread_list) */
1619 if ((status = vm_deallocate (port_task_self,
1620 (vm_address_t) thread_list,
1621 thread_list_len * sizeof (thread_act_t)))
1624 ERROR ("vm_deallocate failed: %s",
1625 mach_error_string (status));
1628 thread_list_len = 0;
1630 /* Only deallocate the task port, if it isn't our own.
1631 * Don't know what would happen in that case, but this
1632 * is what Apple's top does.. ;) */
1633 if (task_list[task] != port_task_self)
1635 status = mach_port_deallocate (port_task_self,
1637 if (status != KERN_SUCCESS)
1638 ERROR ("mach_port_deallocate failed: %s",
1639 mach_error_string (status));
1643 /* FIXME: cmdline should be here instead of NULL */
1644 ps_list_add (task_name, NULL, &pse);
1645 } /* for (task_list) */
1647 if ((status = vm_deallocate (port_task_self,
1648 (vm_address_t) task_list,
1649 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1651 ERROR ("vm_deallocate failed: %s",
1652 mach_error_string (status));
1657 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1660 ERROR ("mach_port_deallocate failed: %s",
1661 mach_error_string (status));
1663 } /* for (pset_list) */
1665 ps_submit_state ("running", running);
1666 ps_submit_state ("sleeping", sleeping);
1667 ps_submit_state ("zombies", zombies);
1668 ps_submit_state ("stopped", stopped);
1669 ps_submit_state ("blocked", blocked);
1671 for (ps = list_head_g; ps != NULL; ps = ps->next)
1672 ps_submit_proc_list (ps);
1673 /* #endif HAVE_THREAD_INFO */
1687 char cmdline[CMDLINE_BUFFER_SIZE];
1691 procstat_entry_t pse;
1696 running = sleeping = zombies = stopped = paging = blocked = 0;
1699 if ((proc = opendir ("/proc")) == NULL)
1702 ERROR ("Cannot open `/proc': %s",
1703 sstrerror (errno, errbuf, sizeof (errbuf)));
1707 while ((ent = readdir (proc)) != NULL)
1709 if (!isdigit (ent->d_name[0]))
1712 if ((pid = atoi (ent->d_name)) < 1)
1715 status = ps_read_process (pid, &ps, &state);
1718 DEBUG ("ps_read_process failed: %i", status);
1725 pse.num_proc = ps.num_proc;
1726 pse.num_lwp = ps.num_lwp;
1727 pse.vmem_size = ps.vmem_size;
1728 pse.vmem_rss = ps.vmem_rss;
1729 pse.vmem_data = ps.vmem_data;
1730 pse.vmem_code = ps.vmem_code;
1731 pse.stack_size = ps.stack_size;
1733 pse.vmem_minflt = 0;
1734 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1735 pse.vmem_majflt = 0;
1736 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1739 pse.cpu_user_counter = ps.cpu_user_counter;
1741 pse.cpu_system_counter = ps.cpu_system_counter;
1743 pse.io_rchar = ps.io_rchar;
1744 pse.io_wchar = ps.io_wchar;
1745 pse.io_syscr = ps.io_syscr;
1746 pse.io_syscw = ps.io_syscw;
1750 case 'R': running++; break;
1751 case 'S': sleeping++; break;
1752 case 'D': blocked++; break;
1753 case 'Z': zombies++; break;
1754 case 'T': stopped++; break;
1755 case 'W': paging++; break;
1758 ps_list_add (ps.name,
1759 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1765 ps_submit_state ("running", running);
1766 ps_submit_state ("sleeping", sleeping);
1767 ps_submit_state ("zombies", zombies);
1768 ps_submit_state ("stopped", stopped);
1769 ps_submit_state ("paging", paging);
1770 ps_submit_state ("blocked", blocked);
1772 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1773 ps_submit_proc_list (ps_ptr);
1776 /* #endif KERNEL_LINUX */
1778 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1788 char errbuf[_POSIX2_LINE_MAX];
1789 struct kinfo_proc *procs; /* array of processes */
1790 struct kinfo_proc *proc_ptr = NULL;
1791 int count; /* returns number of processes */
1795 procstat_entry_t pse;
1799 /* Open the kvm interface, get a descriptor */
1800 kd = kvm_openfiles (NULL, "/dev/null", NULL, 0, errbuf);
1803 ERROR ("processes plugin: Cannot open kvm interface: %s",
1808 /* Get the list of processes. */
1809 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1812 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1818 /* Iterate through the processes in kinfo_proc */
1819 for (i = 0; i < count; i++)
1821 /* Create only one process list entry per _process_, i.e.
1822 * filter out threads (duplicate PID entries). */
1823 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1825 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1826 _Bool have_cmdline = 0;
1828 proc_ptr = &(procs[i]);
1829 /* Don't probe system processes and processes without arguments */
1830 if (((procs[i].ki_flag & P_SYSTEM) == 0)
1831 && (procs[i].ki_args != NULL))
1837 /* retrieve the arguments */
1838 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1840 if ((argv != NULL) && (argv[0] != NULL))
1842 while (argv[argc] != NULL)
1845 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1847 WARNING ("processes plugin: Command line did not fit into buffer.");
1851 } /* if (process has argument list) */
1853 pse.id = procs[i].ki_pid;
1857 pse.num_lwp = procs[i].ki_numthreads;
1859 pse.vmem_size = procs[i].ki_size;
1860 pse.vmem_rss = procs[i].ki_rssize * pagesize;
1861 pse.vmem_data = procs[i].ki_dsize * pagesize;
1862 pse.vmem_code = procs[i].ki_tsize * pagesize;
1863 pse.stack_size = procs[i].ki_ssize * pagesize;
1864 pse.vmem_minflt = 0;
1865 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1866 pse.vmem_majflt = 0;
1867 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1871 pse.cpu_user_counter = 0;
1872 pse.cpu_system_counter = 0;
1874 * The u-area might be swapped out, and we can't get
1875 * at it because we have a crashdump and no swap.
1876 * If it's here fill in these fields, otherwise, just
1879 if (procs[i].ki_flag & P_INMEM)
1881 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
1882 + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
1883 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
1884 + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
1893 ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
1894 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
1896 switch (procs[i].ki_stat)
1898 case SSTOP: stopped++; break;
1899 case SSLEEP: sleeping++; break;
1900 case SRUN: running++; break;
1901 case SIDL: idle++; break;
1902 case SWAIT: wait++; break;
1903 case SLOCK: blocked++; break;
1904 case SZOMB: zombies++; break;
1910 ps_submit_state ("running", running);
1911 ps_submit_state ("sleeping", sleeping);
1912 ps_submit_state ("zombies", zombies);
1913 ps_submit_state ("stopped", stopped);
1914 ps_submit_state ("blocked", blocked);
1915 ps_submit_state ("idle", idle);
1916 ps_submit_state ("wait", wait);
1918 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1919 ps_submit_proc_list (ps_ptr);
1920 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
1922 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD
1933 struct kinfo_proc *procs; /* array of processes */
1934 struct kinfo_proc *proc_ptr = NULL;
1935 int count; /* returns number of processes */
1939 procstat_entry_t pse;
1943 /* Open the kvm interface, get a descriptor */
1944 kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
1947 ERROR ("processes plugin: Cannot open kvm interface: %s",
1952 /* Get the list of processes. */
1953 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
1956 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1962 /* Iterate through the processes in kinfo_proc */
1963 for (i = 0; i < count; i++)
1965 /* Create only one process list entry per _process_, i.e.
1966 * filter out threads (duplicate PID entries). */
1967 if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid))
1969 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1970 _Bool have_cmdline = 0;
1972 proc_ptr = &(procs[i]);
1973 /* Don't probe zombie processes */
1974 if (!P_ZOMBIE(proc_ptr))
1980 /* retrieve the arguments */
1981 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1983 if ((argv != NULL) && (argv[0] != NULL))
1985 while (argv[argc] != NULL)
1988 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1990 WARNING ("processes plugin: Command line did not fit into buffer.");
1994 } /* if (process has argument list) */
1996 pse.id = procs[i].p_pid;
2000 pse.num_lwp = 1; /* XXX: accumulate p_tid values for a single p_pid ? */
2002 pse.vmem_rss = procs[i].p_vm_rssize * pagesize;
2003 pse.vmem_data = procs[i].p_vm_dsize * pagesize;
2004 pse.vmem_code = procs[i].p_vm_tsize * pagesize;
2005 pse.stack_size = procs[i].p_vm_ssize * pagesize;
2006 pse.vmem_size = pse.stack_size + pse.vmem_code + pse.vmem_data;
2007 pse.vmem_minflt = 0;
2008 pse.vmem_minflt_counter = procs[i].p_uru_minflt;
2009 pse.vmem_majflt = 0;
2010 pse.vmem_majflt_counter = procs[i].p_uru_majflt;
2014 pse.cpu_user_counter = procs[i].p_uutime_usec +
2015 (1000000lu * procs[i].p_uutime_sec);
2016 pse.cpu_system_counter = procs[i].p_ustime_usec +
2017 (1000000lu * procs[i].p_ustime_sec);
2025 ps_list_add (procs[i].p_comm, have_cmdline ? cmdline : NULL, &pse);
2026 } /* if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) */
2028 switch (procs[i].p_stat)
2030 case SSTOP: stopped++; break;
2031 case SSLEEP: sleeping++; break;
2032 case SRUN: running++; break;
2033 case SIDL: idle++; break;
2034 case SONPROC: onproc++; break;
2035 case SDEAD: dead++; break;
2036 case SZOMB: zombies++; break;
2042 ps_submit_state ("running", running);
2043 ps_submit_state ("sleeping", sleeping);
2044 ps_submit_state ("zombies", zombies);
2045 ps_submit_state ("stopped", stopped);
2046 ps_submit_state ("onproc", onproc);
2047 ps_submit_state ("idle", idle);
2048 ps_submit_state ("dead", dead);
2050 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2051 ps_submit_proc_list (ps_ptr);
2052 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD */
2054 #elif HAVE_PROCINFO_H
2067 procstat_entry_t pse;
2070 while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
2071 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
2072 &pindex, MAXPROCENTRY)) > 0)
2076 for (i = 0; i < nprocs; i++)
2080 char arglist[MAXARGLN+1];
2084 if (procentry[i].pi_state == SNONE) continue;
2085 /* if (procentry[i].pi_state == SZOMB) FIXME */
2087 cmdline = procentry[i].pi_comm;
2088 cargs = procentry[i].pi_comm;
2089 if ( procentry[i].pi_flags & SKPROC )
2091 if (procentry[i].pi_pid == 0)
2092 cmdline = "swapper";
2097 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
2102 while (++n < MAXARGLN)
2104 if (arglist[n] == '\0')
2106 if (arglist[n+1] == '\0')
2115 pse.id = procentry[i].pi_pid;
2117 pse.num_lwp = procentry[i].pi_thcount;
2121 while ((nthreads = getthrds64(procentry[i].pi_pid,
2122 thrdentry, sizeof(struct thrdentry64),
2123 &thindex, MAXTHRDENTRY)) > 0)
2127 for (j=0; j< nthreads; j++)
2129 switch (thrdentry[j].ti_state)
2131 /* case TSNONE: break; */
2132 case TSIDL: blocked++; break; /* FIXME is really blocked */
2133 case TSRUN: running++; break;
2134 case TSSLEEP: sleeping++; break;
2135 case TSSWAP: paging++; break;
2136 case TSSTOP: stopped++; break;
2137 case TSZOMB: zombies++; break;
2140 if (nthreads < MAXTHRDENTRY)
2145 /* tv_usec is nanosec ??? */
2146 pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2147 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2150 /* tv_usec is nanosec ??? */
2151 pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2152 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2154 pse.vmem_minflt = 0;
2155 pse.vmem_minflt_counter = procentry[i].pi_minflt;
2156 pse.vmem_majflt = 0;
2157 pse.vmem_majflt_counter = procentry[i].pi_majflt;
2159 pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2160 pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2171 ps_list_add (cmdline, cargs, &pse);
2172 } /* for (i = 0 .. nprocs) */
2174 if (nprocs < MAXPROCENTRY)
2176 } /* while (getprocs64() > 0) */
2177 ps_submit_state ("running", running);
2178 ps_submit_state ("sleeping", sleeping);
2179 ps_submit_state ("zombies", zombies);
2180 ps_submit_state ("stopped", stopped);
2181 ps_submit_state ("paging", paging);
2182 ps_submit_state ("blocked", blocked);
2184 for (ps = list_head_g; ps != NULL; ps = ps->next)
2185 ps_submit_proc_list (ps);
2186 /* #endif HAVE_PROCINFO_H */
2188 #elif KERNEL_SOLARIS
2190 * The Solaris section adds a few more process states and removes some
2191 * process states compared to linux. Most notably there is no "PAGING"
2192 * and "BLOCKED" state for a process. The rest is similar to the linux
2211 char cmdline[PRARGSZ];
2215 proc = opendir ("/proc");
2219 while ((ent = readdir(proc)) != NULL)
2223 procstat_entry_t pse;
2226 if (!isdigit ((int) ent->d_name[0]))
2229 pid = strtol (ent->d_name, &endptr, 10);
2230 if (*endptr != 0) /* value didn't completely parse as a number */
2233 status = ps_read_process (pid, &ps, &state);
2236 DEBUG("ps_read_process failed: %i", status);
2243 pse.num_proc = ps.num_proc;
2244 pse.num_lwp = ps.num_lwp;
2245 pse.vmem_size = ps.vmem_size;
2246 pse.vmem_rss = ps.vmem_rss;
2247 pse.vmem_data = ps.vmem_data;
2248 pse.vmem_code = ps.vmem_code;
2249 pse.stack_size = ps.stack_size;
2251 pse.vmem_minflt = 0;
2252 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2253 pse.vmem_majflt = 0;
2254 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2257 pse.cpu_user_counter = ps.cpu_user_counter;
2259 pse.cpu_system_counter = ps.cpu_system_counter;
2261 pse.io_rchar = ps.io_rchar;
2262 pse.io_wchar = ps.io_wchar;
2263 pse.io_syscr = ps.io_syscr;
2264 pse.io_syscw = ps.io_syscw;
2268 case 'R': running++; break;
2269 case 'S': sleeping++; break;
2270 case 'E': detached++; break;
2271 case 'Z': zombies++; break;
2272 case 'T': stopped++; break;
2273 case 'A': daemon++; break;
2274 case 'Y': system++; break;
2275 case 'O': orphan++; break;
2279 ps_list_add (ps.name,
2280 ps_get_cmdline (pid, cmdline, sizeof (cmdline)),
2282 } /* while(readdir) */
2285 ps_submit_state ("running", running);
2286 ps_submit_state ("sleeping", sleeping);
2287 ps_submit_state ("zombies", zombies);
2288 ps_submit_state ("stopped", stopped);
2289 ps_submit_state ("detached", detached);
2290 ps_submit_state ("daemon", daemon);
2291 ps_submit_state ("system", system);
2292 ps_submit_state ("orphan", orphan);
2294 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2295 ps_submit_proc_list (ps_ptr);
2298 #endif /* KERNEL_SOLARIS */
2303 void module_register (void)
2305 plugin_register_complex_config ("processes", ps_config);
2306 plugin_register_init ("processes", ps_init);
2307 plugin_register_read ("processes", ps_read);
2308 } /* void module_register */