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);
290 ERROR ("processes plugin: ps_list_register: "
291 "Regular expression \"%s\" found in config "
292 "file, but support for regular expressions "
293 "has been disabled at compile time.",
300 for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
302 if (strcmp (ptr->name, name) == 0)
304 WARNING ("processes plugin: You have configured more "
305 "than one `Process' or "
306 "`ProcessMatch' with the same name. "
307 "All but the first setting will be "
316 if (ptr->next == NULL)
324 } /* void ps_list_register */
326 /* try to match name against entry, returns 1 if success */
327 static int ps_list_match (const char *name, const char *cmdline, procstat_t *ps)
336 if ((str == NULL) || (str[0] == 0))
339 assert (str != NULL);
341 status = regexec (ps->re, str,
350 if (strcmp (ps->name, name) == 0)
354 } /* int ps_list_match */
356 /* add process entry to 'instances' of process 'name' (or refresh it) */
357 static void ps_list_add (const char *name, const char *cmdline, procstat_entry_t *entry)
360 procstat_entry_t *pse;
365 for (ps = list_head_g; ps != NULL; ps = ps->next)
367 if ((ps_list_match (name, cmdline, ps)) == 0)
370 for (pse = ps->instances; pse != NULL; pse = pse->next)
371 if ((pse->id == entry->id) || (pse->next == NULL))
374 if ((pse == NULL) || (pse->id != entry->id))
376 procstat_entry_t *new;
378 new = (procstat_entry_t *) malloc (sizeof (procstat_entry_t));
381 memset (new, 0, sizeof (procstat_entry_t));
393 pse->num_proc = entry->num_proc;
394 pse->num_lwp = entry->num_lwp;
395 pse->vmem_size = entry->vmem_size;
396 pse->vmem_rss = entry->vmem_rss;
397 pse->vmem_data = entry->vmem_data;
398 pse->vmem_code = entry->vmem_code;
399 pse->stack_size = entry->stack_size;
400 pse->io_rchar = entry->io_rchar;
401 pse->io_wchar = entry->io_wchar;
402 pse->io_syscr = entry->io_syscr;
403 pse->io_syscw = entry->io_syscw;
405 ps->num_proc += pse->num_proc;
406 ps->num_lwp += pse->num_lwp;
407 ps->vmem_size += pse->vmem_size;
408 ps->vmem_rss += pse->vmem_rss;
409 ps->vmem_data += pse->vmem_data;
410 ps->vmem_code += pse->vmem_code;
411 ps->stack_size += pse->stack_size;
413 ps->io_rchar += ((pse->io_rchar == -1)?0:pse->io_rchar);
414 ps->io_wchar += ((pse->io_wchar == -1)?0:pse->io_wchar);
415 ps->io_syscr += ((pse->io_syscr == -1)?0:pse->io_syscr);
416 ps->io_syscw += ((pse->io_syscw == -1)?0:pse->io_syscw);
418 if ((entry->vmem_minflt_counter == 0)
419 && (entry->vmem_majflt_counter == 0))
421 pse->vmem_minflt_counter += entry->vmem_minflt;
422 pse->vmem_minflt = entry->vmem_minflt;
424 pse->vmem_majflt_counter += entry->vmem_majflt;
425 pse->vmem_majflt = entry->vmem_majflt;
429 if (entry->vmem_minflt_counter < pse->vmem_minflt_counter)
431 pse->vmem_minflt = entry->vmem_minflt_counter
432 + (ULONG_MAX - pse->vmem_minflt_counter);
436 pse->vmem_minflt = entry->vmem_minflt_counter - pse->vmem_minflt_counter;
438 pse->vmem_minflt_counter = entry->vmem_minflt_counter;
440 if (entry->vmem_majflt_counter < pse->vmem_majflt_counter)
442 pse->vmem_majflt = entry->vmem_majflt_counter
443 + (ULONG_MAX - pse->vmem_majflt_counter);
447 pse->vmem_majflt = entry->vmem_majflt_counter - pse->vmem_majflt_counter;
449 pse->vmem_majflt_counter = entry->vmem_majflt_counter;
452 ps->vmem_minflt_counter += pse->vmem_minflt;
453 ps->vmem_majflt_counter += pse->vmem_majflt;
455 if ((entry->cpu_user_counter == 0)
456 && (entry->cpu_system_counter == 0))
458 pse->cpu_user_counter += entry->cpu_user;
459 pse->cpu_user = entry->cpu_user;
461 pse->cpu_system_counter += entry->cpu_system;
462 pse->cpu_system = entry->cpu_system;
466 if (entry->cpu_user_counter < pse->cpu_user_counter)
468 pse->cpu_user = entry->cpu_user_counter
469 + (ULONG_MAX - pse->cpu_user_counter);
473 pse->cpu_user = entry->cpu_user_counter - pse->cpu_user_counter;
475 pse->cpu_user_counter = entry->cpu_user_counter;
477 if (entry->cpu_system_counter < pse->cpu_system_counter)
479 pse->cpu_system = entry->cpu_system_counter
480 + (ULONG_MAX - pse->cpu_system_counter);
484 pse->cpu_system = entry->cpu_system_counter - pse->cpu_system_counter;
486 pse->cpu_system_counter = entry->cpu_system_counter;
489 ps->cpu_user_counter += pse->cpu_user;
490 ps->cpu_system_counter += pse->cpu_system;
494 /* remove old entries from instances of processes in list_head_g */
495 static void ps_list_reset (void)
498 procstat_entry_t *pse;
499 procstat_entry_t *pse_prev;
501 for (ps = list_head_g; ps != NULL; ps = ps->next)
521 DEBUG ("Removing this procstat entry cause it's too old: "
522 "id = %lu; name = %s;",
525 if (pse_prev == NULL)
527 ps->instances = pse->next;
533 pse_prev->next = pse->next;
535 pse = pse_prev->next;
544 } /* while (pse != NULL) */
545 } /* for (ps = list_head_g; ps != NULL; ps = ps->next) */
548 /* put all pre-defined 'Process' names from config to list_head_g tree */
549 static int ps_config (oconfig_item_t *ci)
553 for (i = 0; i < ci->children_num; ++i) {
554 oconfig_item_t *c = ci->children + i;
556 if (strcasecmp (c->key, "Process") == 0)
558 if ((c->values_num != 1)
559 || (OCONFIG_TYPE_STRING != c->values[0].type)) {
560 ERROR ("processes plugin: `Process' expects exactly "
561 "one string argument (got %i).",
566 if (c->children_num != 0) {
567 WARNING ("processes plugin: the `Process' config option "
568 "does not expect any child elements -- ignoring "
569 "content (%i elements) of the <Process '%s'> block.",
570 c->children_num, c->values[0].value.string);
573 ps_list_register (c->values[0].value.string, NULL);
575 else if (strcasecmp (c->key, "ProcessMatch") == 0)
577 if ((c->values_num != 2)
578 || (OCONFIG_TYPE_STRING != c->values[0].type)
579 || (OCONFIG_TYPE_STRING != c->values[1].type))
581 ERROR ("processes plugin: `ProcessMatch' needs exactly "
582 "two string arguments (got %i).",
587 if (c->children_num != 0) {
588 WARNING ("processes plugin: the `ProcessMatch' config option "
589 "does not expect any child elements -- ignoring "
590 "content (%i elements) of the <ProcessMatch '%s' '%s'> "
591 "block.", c->children_num, c->values[0].value.string,
592 c->values[1].value.string);
595 ps_list_register (c->values[0].value.string,
596 c->values[1].value.string);
600 ERROR ("processes plugin: The `%s' configuration option is not "
601 "understood and will be ignored.", c->key);
609 static int ps_init (void)
612 kern_return_t status;
614 port_host_self = mach_host_self ();
615 port_task_self = mach_task_self ();
617 if (pset_list != NULL)
619 vm_deallocate (port_task_self,
620 (vm_address_t) pset_list,
621 pset_list_len * sizeof (processor_set_t));
626 if ((status = host_processor_sets (port_host_self,
628 &pset_list_len)) != KERN_SUCCESS)
630 ERROR ("host_processor_sets failed: %s\n",
631 mach_error_string (status));
636 /* #endif HAVE_THREAD_INFO */
639 pagesize_g = sysconf(_SC_PAGESIZE);
640 DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
641 pagesize_g, CONFIG_HZ);
642 /* #endif KERNEL_LINUX */
644 #elif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
645 pagesize = getpagesize();
646 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD) */
648 #elif HAVE_PROCINFO_H
649 pagesize = getpagesize();
650 #endif /* HAVE_PROCINFO_H */
655 /* submit global state (e.g.: qty of zombies, running, etc..) */
656 static void ps_submit_state (const char *state, double value)
659 value_list_t vl = VALUE_LIST_INIT;
661 values[0].gauge = value;
665 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
666 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
667 sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
668 sstrncpy (vl.type, "ps_state", sizeof (vl.type));
669 sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
671 plugin_dispatch_values (&vl);
674 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
675 static void ps_submit_proc_list (procstat_t *ps)
678 value_list_t vl = VALUE_LIST_INIT;
682 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
683 sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
684 sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
686 sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
687 vl.values[0].gauge = ps->vmem_size;
689 plugin_dispatch_values (&vl);
691 sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
692 vl.values[0].gauge = ps->vmem_rss;
694 plugin_dispatch_values (&vl);
696 sstrncpy (vl.type, "ps_data", sizeof (vl.type));
697 vl.values[0].gauge = ps->vmem_data;
699 plugin_dispatch_values (&vl);
701 sstrncpy (vl.type, "ps_code", sizeof (vl.type));
702 vl.values[0].gauge = ps->vmem_code;
704 plugin_dispatch_values (&vl);
706 sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
707 vl.values[0].gauge = ps->stack_size;
709 plugin_dispatch_values (&vl);
711 sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
712 vl.values[0].derive = ps->cpu_user_counter;
713 vl.values[1].derive = ps->cpu_system_counter;
715 plugin_dispatch_values (&vl);
717 sstrncpy (vl.type, "ps_count", sizeof (vl.type));
718 vl.values[0].gauge = ps->num_proc;
719 vl.values[1].gauge = ps->num_lwp;
721 plugin_dispatch_values (&vl);
723 sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
724 vl.values[0].derive = ps->vmem_minflt_counter;
725 vl.values[1].derive = ps->vmem_majflt_counter;
727 plugin_dispatch_values (&vl);
729 if ( (ps->io_rchar != -1) && (ps->io_wchar != -1) )
731 sstrncpy (vl.type, "ps_disk_octets", sizeof (vl.type));
732 vl.values[0].derive = ps->io_rchar;
733 vl.values[1].derive = ps->io_wchar;
735 plugin_dispatch_values (&vl);
738 if ( (ps->io_syscr != -1) && (ps->io_syscw != -1) )
740 sstrncpy (vl.type, "ps_disk_ops", sizeof (vl.type));
741 vl.values[0].derive = ps->io_syscr;
742 vl.values[1].derive = ps->io_syscw;
744 plugin_dispatch_values (&vl);
747 DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; "
748 "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
750 "vmem_minflt_counter = %"PRIi64"; vmem_majflt_counter = %"PRIi64"; "
751 "cpu_user_counter = %"PRIi64"; cpu_system_counter = %"PRIi64"; "
752 "io_rchar = %"PRIi64"; io_wchar = %"PRIi64"; "
753 "io_syscr = %"PRIi64"; io_syscw = %"PRIi64";",
754 ps->name, ps->num_proc, ps->num_lwp,
755 ps->vmem_size, ps->vmem_rss,
756 ps->vmem_data, ps->vmem_code,
757 ps->vmem_minflt_counter, ps->vmem_majflt_counter,
758 ps->cpu_user_counter, ps->cpu_system_counter,
759 ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw);
760 } /* void ps_submit_proc_list */
762 #if KERNEL_LINUX || KERNEL_SOLARIS
763 static void ps_submit_fork_rate (derive_t value)
766 value_list_t vl = VALUE_LIST_INIT;
768 values[0].derive = value;
772 sstrncpy(vl.host, hostname_g, sizeof (vl.host));
773 sstrncpy(vl.plugin, "processes", sizeof (vl.plugin));
774 sstrncpy(vl.plugin_instance, "", sizeof (vl.plugin_instance));
775 sstrncpy(vl.type, "fork_rate", sizeof (vl.type));
776 sstrncpy(vl.type_instance, "", sizeof (vl.type_instance));
778 plugin_dispatch_values(&vl);
780 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
782 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
784 static int ps_read_tasks (int pid)
791 ssnprintf (dirname, sizeof (dirname), "/proc/%i/task", pid);
793 if ((dh = opendir (dirname)) == NULL)
795 DEBUG ("Failed to open directory `%s'", dirname);
799 while ((ent = readdir (dh)) != NULL)
801 if (!isdigit ((int) ent->d_name[0]))
808 return ((count >= 1) ? count : 1);
809 } /* int *ps_read_tasks */
811 /* Read advanced virtual memory data from /proc/pid/status */
812 static procstat_t *ps_read_vmem (int pid, procstat_t *ps)
817 unsigned long long lib = 0;
818 unsigned long long exe = 0;
819 unsigned long long data = 0;
823 ssnprintf (filename, sizeof (filename), "/proc/%i/status", pid);
824 if ((fh = fopen (filename, "r")) == NULL)
827 while (fgets (buffer, sizeof(buffer), fh) != NULL)
832 if (strncmp (buffer, "Vm", 2) != 0)
835 numfields = strsplit (buffer, fields,
836 STATIC_ARRAY_SIZE (fields));
843 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
844 if ((errno == 0) && (endptr != fields[1]))
846 if (strncmp (buffer, "VmData", 6) == 0)
850 else if (strncmp (buffer, "VmLib", 5) == 0)
854 else if (strncmp(buffer, "VmExe", 5) == 0)
859 } /* while (fgets) */
864 WARNING ("processes: fclose: %s",
865 sstrerror (errno, errbuf, sizeof (errbuf)));
868 ps->vmem_data = data * 1024;
869 ps->vmem_code = (exe + lib) * 1024;
872 } /* procstat_t *ps_read_vmem */
874 static procstat_t *ps_read_io (int pid, procstat_t *ps)
883 ssnprintf (filename, sizeof (filename), "/proc/%i/io", pid);
884 if ((fh = fopen (filename, "r")) == NULL)
887 while (fgets (buffer, sizeof (buffer), fh) != NULL)
889 derive_t *val = NULL;
893 if (strncasecmp (buffer, "rchar:", 6) == 0)
894 val = &(ps->io_rchar);
895 else if (strncasecmp (buffer, "wchar:", 6) == 0)
896 val = &(ps->io_wchar);
897 else if (strncasecmp (buffer, "syscr:", 6) == 0)
898 val = &(ps->io_syscr);
899 else if (strncasecmp (buffer, "syscw:", 6) == 0)
900 val = &(ps->io_syscw);
904 numfields = strsplit (buffer, fields,
905 STATIC_ARRAY_SIZE (fields));
912 tmp = strtoll (fields[1], &endptr, /* base = */ 10);
913 if ((errno != 0) || (endptr == fields[1]))
916 *val = (derive_t) tmp;
917 } /* while (fgets) */
922 WARNING ("processes: fclose: %s",
923 sstrerror (errno, errbuf, sizeof (errbuf)));
927 } /* procstat_t *ps_read_io */
929 int ps_read_process (int pid, procstat_t *ps, char *state)
940 size_t name_start_pos;
944 derive_t cpu_user_counter;
945 derive_t cpu_system_counter;
946 long long unsigned vmem_size;
947 long long unsigned vmem_rss;
948 long long unsigned stack_size;
950 memset (ps, 0, sizeof (procstat_t));
952 ssnprintf (filename, sizeof (filename), "/proc/%i/stat", pid);
954 buffer_len = read_file_contents (filename,
955 buffer, sizeof(buffer) - 1);
958 buffer[buffer_len] = 0;
960 /* The name of the process is enclosed in parens. Since the name can
961 * contain parens itself, spaces, numbers and pretty much everything
962 * else, use these to determine the process name. We don't use
963 * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
964 * otherwise be required to determine name_len. */
966 while ((buffer[name_start_pos] != '(')
967 && (name_start_pos < buffer_len))
970 name_end_pos = buffer_len;
971 while ((buffer[name_end_pos] != ')')
972 && (name_end_pos > 0))
975 /* Either '(' or ')' is not found or they are in the wrong order.
976 * Anyway, something weird that shouldn't happen ever. */
977 if (name_start_pos >= name_end_pos)
979 ERROR ("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
980 name_start_pos, name_end_pos);
984 name_len = (name_end_pos - name_start_pos) - 1;
985 if (name_len >= sizeof (ps->name))
986 name_len = sizeof (ps->name) - 1;
988 sstrncpy (ps->name, &buffer[name_start_pos + 1], name_len + 1);
990 if ((buffer_len - name_end_pos) < 2)
992 buffer_ptr = &buffer[name_end_pos + 2];
994 fields_len = strsplit (buffer_ptr, fields, STATIC_ARRAY_SIZE (fields));
997 DEBUG ("processes plugin: ps_read_process (pid = %i):"
998 " `%s' has only %i fields..",
999 (int) pid, filename, fields_len);
1003 *state = fields[0][0];
1012 if ( (ps->num_lwp = ps_read_tasks (pid)) == -1 )
1014 /* returns -1 => kernel 2.4 */
1020 /* Leave the rest at zero if this is only a zombi */
1021 if (ps->num_proc == 0)
1023 DEBUG ("processes plugin: This is only a zombie: pid = %i; "
1024 "name = %s;", pid, ps->name);
1028 cpu_user_counter = atoll (fields[11]);
1029 cpu_system_counter = atoll (fields[12]);
1030 vmem_size = atoll (fields[20]);
1031 vmem_rss = atoll (fields[21]);
1032 ps->vmem_minflt_counter = atol (fields[7]);
1033 ps->vmem_majflt_counter = atol (fields[9]);
1036 unsigned long long stack_start = atoll (fields[25]);
1037 unsigned long long stack_ptr = atoll (fields[26]);
1039 stack_size = (stack_start > stack_ptr)
1040 ? stack_start - stack_ptr
1041 : stack_ptr - stack_start;
1044 /* Convert jiffies to useconds */
1045 cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
1046 cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1047 vmem_rss = vmem_rss * pagesize_g;
1049 if ( (ps_read_vmem(pid, ps)) == NULL)
1054 DEBUG("ps_read_process: did not get vmem data for pid %i",pid);
1057 ps->cpu_user_counter = cpu_user_counter;
1058 ps->cpu_system_counter = cpu_system_counter;
1059 ps->vmem_size = (unsigned long) vmem_size;
1060 ps->vmem_rss = (unsigned long) vmem_rss;
1061 ps->stack_size = (unsigned long) stack_size;
1063 if ( (ps_read_io (pid, ps)) == NULL)
1071 DEBUG("ps_read_process: not get io data for pid %i",pid);
1076 } /* int ps_read_process (...) */
1078 static char *ps_get_cmdline (pid_t pid, char *name, char *buf, size_t buf_len)
1083 char file[PATH_MAX];
1088 if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1091 ssnprintf (file, sizeof (file), "/proc/%u/cmdline",
1092 (unsigned int) pid);
1095 fd = open (file, O_RDONLY);
1098 /* ENOENT means the process exited while we were handling it.
1099 * Don't complain about this, it only fills the logs. */
1100 if (errno != ENOENT)
1101 WARNING ("processes plugin: Failed to open `%s': %s.", file,
1102 sstrerror (errno, errbuf, sizeof (errbuf)));
1114 status = read (fd, (void *)buf_ptr, len);
1119 if ((EAGAIN == errno) || (EINTR == errno))
1122 WARNING ("processes plugin: Failed to read from `%s': %s.", file,
1123 sstrerror (errno, errbuf, sizeof (errbuf)));
1143 /* cmdline not available; e.g. kernel thread, zombie */
1147 ssnprintf (buf, buf_len, "[%s]", name);
1151 assert (n <= buf_len);
1158 /* remove trailing whitespace */
1159 while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
1164 /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1171 } /* char *ps_get_cmdline (...) */
1173 static int read_fork_rate ()
1178 _Bool value_valid = 0;
1180 proc_stat = fopen ("/proc/stat", "r");
1181 if (proc_stat == NULL)
1184 ERROR ("processes plugin: fopen (/proc/stat) failed: %s",
1185 sstrerror (errno, errbuf, sizeof (errbuf)));
1189 while (fgets (buffer, sizeof (buffer), proc_stat) != NULL)
1195 fields_num = strsplit (buffer, fields,
1196 STATIC_ARRAY_SIZE (fields));
1197 if (fields_num != 2)
1200 if (strcmp ("processes", fields[0]) != 0)
1203 status = parse_value (fields[1], &value, DS_TYPE_DERIVE);
1214 ps_submit_fork_rate (value.derive);
1217 #endif /*KERNEL_LINUX */
1220 static char *ps_get_cmdline (pid_t pid, char *name __attribute__((unused)), /* {{{ */
1221 char *buffer, size_t buffer_size)
1223 char path[PATH_MAX];
1227 snprintf(path, sizeof (path), "/proc/%li/psinfo", pid);
1229 status = read_file_contents (path, (void *) &info, sizeof (info));
1230 if (status != sizeof (info))
1232 ERROR ("processes plugin: Unexpected return value "
1233 "while reading \"%s\": "
1234 "Returned %i but expected %zu.",
1235 path, status, buffer_size);
1239 info.pr_psargs[sizeof (info.pr_psargs) - 1] = 0;
1240 sstrncpy (buffer, info.pr_psargs, buffer_size);
1243 } /* }}} int ps_get_cmdline */
1246 * Reads process information on the Solaris OS. The information comes mainly from
1247 * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1248 * The values for input and ouput chars are calculated "by hand"
1249 * Added a few "solaris" specific process states as well
1251 static int ps_read_process(long pid, procstat_t *ps, char *state)
1254 char f_psinfo[64], f_usage[64];
1257 pstatus_t *myStatus;
1261 snprintf(filename, sizeof (filename), "/proc/%li/status", pid);
1262 snprintf(f_psinfo, sizeof (f_psinfo), "/proc/%li/psinfo", pid);
1263 snprintf(f_usage, sizeof (f_usage), "/proc/%li/usage", pid);
1266 buffer = malloc(sizeof (pstatus_t));
1267 memset(buffer, 0, sizeof (pstatus_t));
1268 read_file_contents(filename, buffer, sizeof (pstatus_t));
1269 myStatus = (pstatus_t *) buffer;
1271 buffer = malloc(sizeof (psinfo_t));
1272 memset(buffer, 0, sizeof(psinfo_t));
1273 read_file_contents(f_psinfo, buffer, sizeof (psinfo_t));
1274 myInfo = (psinfo_t *) buffer;
1276 buffer = malloc(sizeof (prusage_t));
1277 memset(buffer, 0, sizeof(prusage_t));
1278 read_file_contents(f_usage, buffer, sizeof (prusage_t));
1279 myUsage = (prusage_t *) buffer;
1281 sstrncpy(ps->name, myInfo->pr_fname, sizeof (myInfo->pr_fname));
1282 ps->num_lwp = myStatus->pr_nlwp;
1283 if (myInfo->pr_wstat != 0) {
1286 *state = (char) 'Z';
1290 ps->num_lwp = myInfo->pr_nlwp;
1294 * Convert system time and user time from nanoseconds to microseconds
1295 * for compatibility with the linux module
1297 ps->cpu_system_counter = myStatus -> pr_stime.tv_nsec / 1000;
1298 ps->cpu_user_counter = myStatus -> pr_utime.tv_nsec / 1000;
1301 * Convert rssize from KB to bytes to be consistent w/ the linux module
1303 ps->vmem_rss = myInfo->pr_rssize * 1024;
1304 ps->vmem_size = myInfo->pr_size * 1024;
1305 ps->vmem_minflt_counter = myUsage->pr_minf;
1306 ps->vmem_majflt_counter = myUsage->pr_majf;
1309 * TODO: Data and code segment calculations for Solaris
1314 ps->stack_size = myStatus->pr_stksize;
1317 * Calculating input/ouput chars
1318 * Formula used is total chars / total blocks => chars/block
1319 * then convert input/output blocks to chars
1321 ulong_t tot_chars = myUsage->pr_ioch;
1322 ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1323 ulong_t chars_per_block = 1;
1324 if (tot_blocks != 0)
1325 chars_per_block = tot_chars / tot_blocks;
1326 ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1327 ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1328 ps->io_syscr = myUsage->pr_sysc;
1329 ps->io_syscw = myUsage->pr_sysc;
1333 * TODO: Find way of setting BLOCKED and PAGING status
1336 *state = (char) 'R';
1337 if (myStatus->pr_flags & PR_ASLEEP)
1338 *state = (char) 'S';
1339 else if (myStatus->pr_flags & PR_STOPPED)
1340 *state = (char) 'T';
1341 else if (myStatus->pr_flags & PR_DETACH)
1342 *state = (char) 'E';
1343 else if (myStatus->pr_flags & PR_DAEMON)
1344 *state = (char) 'A';
1345 else if (myStatus->pr_flags & PR_ISSYS)
1346 *state = (char) 'Y';
1347 else if (myStatus->pr_flags & PR_ORPHAN)
1348 *state = (char) 'O';
1358 * Reads the number of threads created since the last reboot. On Solaris these
1359 * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1360 * The result is the sum for all the threads created on each cpu
1362 static int read_fork_rate()
1364 extern kstat_ctl_t *kc;
1365 kstat_t *ksp_chain = NULL;
1366 derive_t result = 0;
1371 for (ksp_chain = kc->kc_chain;
1373 ksp_chain = ksp_chain->ks_next)
1375 if ((strcmp (ksp_chain->ks_module, "cpu") == 0)
1376 && (strcmp (ksp_chain->ks_name, "sys") == 0)
1377 && (strcmp (ksp_chain->ks_class, "misc") == 0))
1381 kstat_read (kc, ksp_chain, NULL);
1383 tmp = get_kstat_value(ksp_chain, "nthreads");
1389 ps_submit_fork_rate (result);
1392 #endif /* KERNEL_SOLARIS */
1394 #if HAVE_THREAD_INFO
1395 static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
1399 struct kinfo_proc kp;
1404 mib[2] = KERN_PROC_PID;
1406 if (pid_for_task (t, pid) != KERN_SUCCESS)
1410 kp_size = sizeof (kp);
1411 if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
1414 if (name_max_len > (MAXCOMLEN + 1))
1415 name_max_len = MAXCOMLEN + 1;
1417 strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
1418 name[name_max_len - 1] = '\0';
1420 DEBUG ("pid = %i; name = %s;", *pid, name);
1422 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1423 * `top' does it, because it is a lot of work and only used when
1424 * debugging. -octo */
1428 #endif /* HAVE_THREAD_INFO */
1429 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
1431 /* do actual readings from kernel */
1432 static int ps_read (void)
1434 #if HAVE_THREAD_INFO
1435 kern_return_t status;
1438 processor_set_t port_pset_priv;
1441 task_array_t task_list;
1442 mach_msg_type_number_t task_list_len;
1445 char task_name[MAXCOMLEN + 1];
1448 thread_act_array_t thread_list;
1449 mach_msg_type_number_t thread_list_len;
1450 thread_basic_info_data_t thread_data;
1451 mach_msg_type_number_t thread_data_len;
1460 procstat_entry_t pse;
1465 * The Mach-concept is a little different from the traditional UNIX
1466 * concept: All the work is done in threads. Threads are contained in
1467 * `tasks'. Therefore, `task status' doesn't make much sense, since
1468 * it's actually a `thread status'.
1469 * Tasks are assigned to sets of processors, so that's where you go to
1472 for (pset = 0; pset < pset_list_len; pset++)
1474 if ((status = host_processor_set_priv (port_host_self,
1476 &port_pset_priv)) != KERN_SUCCESS)
1478 ERROR ("host_processor_set_priv failed: %s\n",
1479 mach_error_string (status));
1483 if ((status = processor_set_tasks (port_pset_priv,
1485 &task_list_len)) != KERN_SUCCESS)
1487 ERROR ("processor_set_tasks failed: %s\n",
1488 mach_error_string (status));
1489 mach_port_deallocate (port_task_self, port_pset_priv);
1493 for (task = 0; task < task_list_len; task++)
1496 if (mach_get_task_name (task_list[task],
1498 task_name, PROCSTAT_NAME_LEN) == 0)
1500 /* search for at least one match */
1501 for (ps = list_head_g; ps != NULL; ps = ps->next)
1502 /* FIXME: cmdline should be here instead of NULL */
1503 if (ps_list_match (task_name, NULL, ps) == 1)
1507 /* Collect more detailed statistics for this process */
1510 task_basic_info_data_t task_basic_info;
1511 mach_msg_type_number_t task_basic_info_len;
1512 task_events_info_data_t task_events_info;
1513 mach_msg_type_number_t task_events_info_len;
1514 task_absolutetime_info_data_t task_absolutetime_info;
1515 mach_msg_type_number_t task_absolutetime_info_len;
1517 memset (&pse, '\0', sizeof (pse));
1520 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1521 status = task_info (task_list[task],
1523 (task_info_t) &task_basic_info,
1524 &task_basic_info_len);
1525 if (status != KERN_SUCCESS)
1527 ERROR ("task_info failed: %s",
1528 mach_error_string (status));
1529 continue; /* with next thread_list */
1532 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1533 status = task_info (task_list[task],
1535 (task_info_t) &task_events_info,
1536 &task_events_info_len);
1537 if (status != KERN_SUCCESS)
1539 ERROR ("task_info failed: %s",
1540 mach_error_string (status));
1541 continue; /* with next thread_list */
1544 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1545 status = task_info (task_list[task],
1546 TASK_ABSOLUTETIME_INFO,
1547 (task_info_t) &task_absolutetime_info,
1548 &task_absolutetime_info_len);
1549 if (status != KERN_SUCCESS)
1551 ERROR ("task_info failed: %s",
1552 mach_error_string (status));
1553 continue; /* with next thread_list */
1557 pse.vmem_size = task_basic_info.virtual_size;
1558 pse.vmem_rss = task_basic_info.resident_size;
1559 /* Does not seem to be easily exposed */
1563 pse.vmem_minflt_counter = task_events_info.cow_faults;
1564 pse.vmem_majflt_counter = task_events_info.faults;
1566 pse.cpu_user_counter = task_absolutetime_info.total_user;
1567 pse.cpu_system_counter = task_absolutetime_info.total_system;
1570 status = task_threads (task_list[task], &thread_list,
1572 if (status != KERN_SUCCESS)
1574 /* Apple's `top' treats this case a zombie. It
1575 * makes sense to some extend: A `zombie'
1576 * thread is nonsense, since the task/process
1579 DEBUG ("task_threads failed: %s",
1580 mach_error_string (status));
1581 if (task_list[task] != port_task_self)
1582 mach_port_deallocate (port_task_self,
1584 continue; /* with next task_list */
1587 for (thread = 0; thread < thread_list_len; thread++)
1589 thread_data_len = THREAD_BASIC_INFO_COUNT;
1590 status = thread_info (thread_list[thread],
1592 (thread_info_t) &thread_data,
1594 if (status != KERN_SUCCESS)
1596 ERROR ("thread_info failed: %s",
1597 mach_error_string (status));
1598 if (task_list[task] != port_task_self)
1599 mach_port_deallocate (port_task_self,
1600 thread_list[thread]);
1601 continue; /* with next thread_list */
1607 switch (thread_data.run_state)
1609 case TH_STATE_RUNNING:
1612 case TH_STATE_STOPPED:
1613 /* What exactly is `halted'? */
1614 case TH_STATE_HALTED:
1617 case TH_STATE_WAITING:
1620 case TH_STATE_UNINTERRUPTIBLE:
1623 /* There is no `zombie' case here,
1624 * since there are no zombie-threads.
1625 * There's only zombie tasks, which are
1628 WARNING ("Unknown thread status: %i",
1629 thread_data.run_state);
1631 } /* switch (thread_data.run_state) */
1633 if (task_list[task] != port_task_self)
1635 status = mach_port_deallocate (port_task_self,
1636 thread_list[thread]);
1637 if (status != KERN_SUCCESS)
1638 ERROR ("mach_port_deallocate failed: %s",
1639 mach_error_string (status));
1641 } /* for (thread_list) */
1643 if ((status = vm_deallocate (port_task_self,
1644 (vm_address_t) thread_list,
1645 thread_list_len * sizeof (thread_act_t)))
1648 ERROR ("vm_deallocate failed: %s",
1649 mach_error_string (status));
1652 thread_list_len = 0;
1654 /* Only deallocate the task port, if it isn't our own.
1655 * Don't know what would happen in that case, but this
1656 * is what Apple's top does.. ;) */
1657 if (task_list[task] != port_task_self)
1659 status = mach_port_deallocate (port_task_self,
1661 if (status != KERN_SUCCESS)
1662 ERROR ("mach_port_deallocate failed: %s",
1663 mach_error_string (status));
1667 /* FIXME: cmdline should be here instead of NULL */
1668 ps_list_add (task_name, NULL, &pse);
1669 } /* for (task_list) */
1671 if ((status = vm_deallocate (port_task_self,
1672 (vm_address_t) task_list,
1673 task_list_len * sizeof (task_t))) != KERN_SUCCESS)
1675 ERROR ("vm_deallocate failed: %s",
1676 mach_error_string (status));
1681 if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
1684 ERROR ("mach_port_deallocate failed: %s",
1685 mach_error_string (status));
1687 } /* for (pset_list) */
1689 ps_submit_state ("running", running);
1690 ps_submit_state ("sleeping", sleeping);
1691 ps_submit_state ("zombies", zombies);
1692 ps_submit_state ("stopped", stopped);
1693 ps_submit_state ("blocked", blocked);
1695 for (ps = list_head_g; ps != NULL; ps = ps->next)
1696 ps_submit_proc_list (ps);
1697 /* #endif HAVE_THREAD_INFO */
1711 char cmdline[CMDLINE_BUFFER_SIZE];
1715 procstat_entry_t pse;
1720 running = sleeping = zombies = stopped = paging = blocked = 0;
1723 if ((proc = opendir ("/proc")) == NULL)
1726 ERROR ("Cannot open `/proc': %s",
1727 sstrerror (errno, errbuf, sizeof (errbuf)));
1731 while ((ent = readdir (proc)) != NULL)
1733 if (!isdigit (ent->d_name[0]))
1736 if ((pid = atoi (ent->d_name)) < 1)
1739 status = ps_read_process (pid, &ps, &state);
1742 DEBUG ("ps_read_process failed: %i", status);
1746 memset (&pse, 0, sizeof (pse));
1750 pse.num_proc = ps.num_proc;
1751 pse.num_lwp = ps.num_lwp;
1752 pse.vmem_size = ps.vmem_size;
1753 pse.vmem_rss = ps.vmem_rss;
1754 pse.vmem_data = ps.vmem_data;
1755 pse.vmem_code = ps.vmem_code;
1756 pse.stack_size = ps.stack_size;
1758 pse.vmem_minflt = 0;
1759 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
1760 pse.vmem_majflt = 0;
1761 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
1764 pse.cpu_user_counter = ps.cpu_user_counter;
1766 pse.cpu_system_counter = ps.cpu_system_counter;
1768 pse.io_rchar = ps.io_rchar;
1769 pse.io_wchar = ps.io_wchar;
1770 pse.io_syscr = ps.io_syscr;
1771 pse.io_syscw = ps.io_syscw;
1775 case 'R': running++; break;
1776 case 'S': sleeping++; break;
1777 case 'D': blocked++; break;
1778 case 'Z': zombies++; break;
1779 case 'T': stopped++; break;
1780 case 'W': paging++; break;
1783 ps_list_add (ps.name,
1784 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
1790 ps_submit_state ("running", running);
1791 ps_submit_state ("sleeping", sleeping);
1792 ps_submit_state ("zombies", zombies);
1793 ps_submit_state ("stopped", stopped);
1794 ps_submit_state ("paging", paging);
1795 ps_submit_state ("blocked", blocked);
1797 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1798 ps_submit_proc_list (ps_ptr);
1801 /* #endif KERNEL_LINUX */
1803 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1813 char errbuf[_POSIX2_LINE_MAX];
1814 struct kinfo_proc *procs; /* array of processes */
1815 struct kinfo_proc *proc_ptr = NULL;
1816 int count; /* returns number of processes */
1820 procstat_entry_t pse;
1824 /* Open the kvm interface, get a descriptor */
1825 kd = kvm_openfiles (NULL, "/dev/null", NULL, 0, errbuf);
1828 ERROR ("processes plugin: Cannot open kvm interface: %s",
1833 /* Get the list of processes. */
1834 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1837 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1843 /* Iterate through the processes in kinfo_proc */
1844 for (i = 0; i < count; i++)
1846 /* Create only one process list entry per _process_, i.e.
1847 * filter out threads (duplicate PID entries). */
1848 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
1850 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1851 _Bool have_cmdline = 0;
1853 proc_ptr = &(procs[i]);
1854 /* Don't probe system processes and processes without arguments */
1855 if (((procs[i].ki_flag & P_SYSTEM) == 0)
1856 && (procs[i].ki_args != NULL))
1862 /* retrieve the arguments */
1863 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
1865 if ((argv != NULL) && (argv[0] != NULL))
1867 while (argv[argc] != NULL)
1870 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
1872 WARNING ("processes plugin: Command line did not fit into buffer.");
1876 } /* if (process has argument list) */
1878 pse.id = procs[i].ki_pid;
1882 pse.num_lwp = procs[i].ki_numthreads;
1884 pse.vmem_size = procs[i].ki_size;
1885 pse.vmem_rss = procs[i].ki_rssize * pagesize;
1886 pse.vmem_data = procs[i].ki_dsize * pagesize;
1887 pse.vmem_code = procs[i].ki_tsize * pagesize;
1888 pse.stack_size = procs[i].ki_ssize * pagesize;
1889 pse.vmem_minflt = 0;
1890 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1891 pse.vmem_majflt = 0;
1892 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1896 pse.cpu_user_counter = 0;
1897 pse.cpu_system_counter = 0;
1899 * The u-area might be swapped out, and we can't get
1900 * at it because we have a crashdump and no swap.
1901 * If it's here fill in these fields, otherwise, just
1904 if (procs[i].ki_flag & P_INMEM)
1906 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec
1907 + (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
1908 pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_usec
1909 + (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
1918 ps_list_add (procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
1920 switch (procs[i].ki_stat)
1922 case SSTOP: stopped++; break;
1923 case SSLEEP: sleeping++; break;
1924 case SRUN: running++; break;
1925 case SIDL: idle++; break;
1926 case SWAIT: wait++; break;
1927 case SLOCK: blocked++; break;
1928 case SZOMB: zombies++; break;
1930 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
1935 ps_submit_state ("running", running);
1936 ps_submit_state ("sleeping", sleeping);
1937 ps_submit_state ("zombies", zombies);
1938 ps_submit_state ("stopped", stopped);
1939 ps_submit_state ("blocked", blocked);
1940 ps_submit_state ("idle", idle);
1941 ps_submit_state ("wait", wait);
1943 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1944 ps_submit_proc_list (ps_ptr);
1945 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
1947 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD
1958 struct kinfo_proc *procs; /* array of processes */
1959 struct kinfo_proc *proc_ptr = NULL;
1960 int count; /* returns number of processes */
1964 procstat_entry_t pse;
1968 /* Open the kvm interface, get a descriptor */
1969 kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
1972 ERROR ("processes plugin: Cannot open kvm interface: %s",
1977 /* Get the list of processes. */
1978 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
1981 ERROR ("processes plugin: Cannot get kvm processes list: %s",
1987 /* Iterate through the processes in kinfo_proc */
1988 for (i = 0; i < count; i++)
1990 /* Create only one process list entry per _process_, i.e.
1991 * filter out threads (duplicate PID entries). */
1992 if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid))
1994 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1995 _Bool have_cmdline = 0;
1997 proc_ptr = &(procs[i]);
1998 /* Don't probe zombie processes */
1999 if (!P_ZOMBIE(proc_ptr))
2005 /* retrieve the arguments */
2006 argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
2008 if ((argv != NULL) && (argv[0] != NULL))
2010 while (argv[argc] != NULL)
2013 status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
2015 WARNING ("processes plugin: Command line did not fit into buffer.");
2019 } /* if (process has argument list) */
2021 memset (&pse, 0, sizeof (pse));
2022 pse.id = procs[i].p_pid;
2026 pse.num_lwp = 1; /* XXX: accumulate p_tid values for a single p_pid ? */
2028 pse.vmem_rss = procs[i].p_vm_rssize * pagesize;
2029 pse.vmem_data = procs[i].p_vm_dsize * pagesize;
2030 pse.vmem_code = procs[i].p_vm_tsize * pagesize;
2031 pse.stack_size = procs[i].p_vm_ssize * pagesize;
2032 pse.vmem_size = pse.stack_size + pse.vmem_code + pse.vmem_data;
2033 pse.vmem_minflt = 0;
2034 pse.vmem_minflt_counter = procs[i].p_uru_minflt;
2035 pse.vmem_majflt = 0;
2036 pse.vmem_majflt_counter = procs[i].p_uru_majflt;
2040 pse.cpu_user_counter = procs[i].p_uutime_usec +
2041 (1000000lu * procs[i].p_uutime_sec);
2042 pse.cpu_system_counter = procs[i].p_ustime_usec +
2043 (1000000lu * procs[i].p_ustime_sec);
2051 pse.cswitch_vol = -1;
2052 pse.cswitch_invol = -1;
2054 ps_list_add (procs[i].p_comm, have_cmdline ? cmdline : NULL, &pse);
2056 switch (procs[i].p_stat)
2058 case SSTOP: stopped++; break;
2059 case SSLEEP: sleeping++; break;
2060 case SRUN: running++; break;
2061 case SIDL: idle++; break;
2062 case SONPROC: onproc++; break;
2063 case SDEAD: dead++; break;
2064 case SZOMB: zombies++; break;
2066 } /* if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) */
2071 ps_submit_state ("running", running);
2072 ps_submit_state ("sleeping", sleeping);
2073 ps_submit_state ("zombies", zombies);
2074 ps_submit_state ("stopped", stopped);
2075 ps_submit_state ("onproc", onproc);
2076 ps_submit_state ("idle", idle);
2077 ps_submit_state ("dead", dead);
2079 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2080 ps_submit_proc_list (ps_ptr);
2081 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD */
2083 #elif HAVE_PROCINFO_H
2096 procstat_entry_t pse;
2099 while ((nprocs = getprocs64 (procentry, sizeof(struct procentry64),
2100 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
2101 &pindex, MAXPROCENTRY)) > 0)
2105 for (i = 0; i < nprocs; i++)
2109 char arglist[MAXARGLN+1];
2113 if (procentry[i].pi_state == SNONE) continue;
2114 /* if (procentry[i].pi_state == SZOMB) FIXME */
2116 cmdline = procentry[i].pi_comm;
2117 cargs = procentry[i].pi_comm;
2118 if ( procentry[i].pi_flags & SKPROC )
2120 if (procentry[i].pi_pid == 0)
2121 cmdline = "swapper";
2126 if (getargs(&procentry[i], sizeof(struct procentry64), arglist, MAXARGLN) >= 0)
2131 while (++n < MAXARGLN)
2133 if (arglist[n] == '\0')
2135 if (arglist[n+1] == '\0')
2144 pse.id = procentry[i].pi_pid;
2146 pse.num_lwp = procentry[i].pi_thcount;
2150 while ((nthreads = getthrds64(procentry[i].pi_pid,
2151 thrdentry, sizeof(struct thrdentry64),
2152 &thindex, MAXTHRDENTRY)) > 0)
2156 for (j=0; j< nthreads; j++)
2158 switch (thrdentry[j].ti_state)
2160 /* case TSNONE: break; */
2161 case TSIDL: blocked++; break; /* FIXME is really blocked */
2162 case TSRUN: running++; break;
2163 case TSSLEEP: sleeping++; break;
2164 case TSSWAP: paging++; break;
2165 case TSSTOP: stopped++; break;
2166 case TSZOMB: zombies++; break;
2169 if (nthreads < MAXTHRDENTRY)
2174 /* tv_usec is nanosec ??? */
2175 pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2176 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2179 /* tv_usec is nanosec ??? */
2180 pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2181 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2183 pse.vmem_minflt = 0;
2184 pse.vmem_minflt_counter = procentry[i].pi_minflt;
2185 pse.vmem_majflt = 0;
2186 pse.vmem_majflt_counter = procentry[i].pi_majflt;
2188 pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2189 pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2200 ps_list_add (cmdline, cargs, &pse);
2201 } /* for (i = 0 .. nprocs) */
2203 if (nprocs < MAXPROCENTRY)
2205 } /* while (getprocs64() > 0) */
2206 ps_submit_state ("running", running);
2207 ps_submit_state ("sleeping", sleeping);
2208 ps_submit_state ("zombies", zombies);
2209 ps_submit_state ("stopped", stopped);
2210 ps_submit_state ("paging", paging);
2211 ps_submit_state ("blocked", blocked);
2213 for (ps = list_head_g; ps != NULL; ps = ps->next)
2214 ps_submit_proc_list (ps);
2215 /* #endif HAVE_PROCINFO_H */
2217 #elif KERNEL_SOLARIS
2219 * The Solaris section adds a few more process states and removes some
2220 * process states compared to linux. Most notably there is no "PAGING"
2221 * and "BLOCKED" state for a process. The rest is similar to the linux
2240 char cmdline[PRARGSZ];
2244 proc = opendir ("/proc");
2248 while ((ent = readdir(proc)) != NULL)
2252 procstat_entry_t pse;
2255 if (!isdigit ((int) ent->d_name[0]))
2258 pid = strtol (ent->d_name, &endptr, 10);
2259 if (*endptr != 0) /* value didn't completely parse as a number */
2262 status = ps_read_process (pid, &ps, &state);
2265 DEBUG("ps_read_process failed: %i", status);
2269 memset (&pse, 0, sizeof (pse));
2273 pse.num_proc = ps.num_proc;
2274 pse.num_lwp = ps.num_lwp;
2275 pse.vmem_size = ps.vmem_size;
2276 pse.vmem_rss = ps.vmem_rss;
2277 pse.vmem_data = ps.vmem_data;
2278 pse.vmem_code = ps.vmem_code;
2279 pse.stack_size = ps.stack_size;
2281 pse.vmem_minflt = 0;
2282 pse.vmem_minflt_counter = ps.vmem_minflt_counter;
2283 pse.vmem_majflt = 0;
2284 pse.vmem_majflt_counter = ps.vmem_majflt_counter;
2287 pse.cpu_user_counter = ps.cpu_user_counter;
2289 pse.cpu_system_counter = ps.cpu_system_counter;
2291 pse.io_rchar = ps.io_rchar;
2292 pse.io_wchar = ps.io_wchar;
2293 pse.io_syscr = ps.io_syscr;
2294 pse.io_syscw = ps.io_syscw;
2296 pse.cswitch_vol = -1;
2297 pse.cswitch_invol = -1;
2301 case 'R': running++; break;
2302 case 'S': sleeping++; break;
2303 case 'E': detached++; break;
2304 case 'Z': zombies++; break;
2305 case 'T': stopped++; break;
2306 case 'A': daemon++; break;
2307 case 'Y': system++; break;
2308 case 'O': orphan++; break;
2312 ps_list_add (ps.name,
2313 ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
2315 } /* while(readdir) */
2318 ps_submit_state ("running", running);
2319 ps_submit_state ("sleeping", sleeping);
2320 ps_submit_state ("zombies", zombies);
2321 ps_submit_state ("stopped", stopped);
2322 ps_submit_state ("detached", detached);
2323 ps_submit_state ("daemon", daemon);
2324 ps_submit_state ("system", system);
2325 ps_submit_state ("orphan", orphan);
2327 for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2328 ps_submit_proc_list (ps_ptr);
2331 #endif /* KERNEL_SOLARIS */
2336 void module_register (void)
2338 plugin_register_complex_config ("processes", ps_config);
2339 plugin_register_init ("processes", ps_init);
2340 plugin_register_read ("processes", ps_read);
2341 } /* void module_register */