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>
35 * Pavel Rochnyack <pavel2000 at ngs.ru>
36 * Wilfried Goesgens <dothebart at citadel.org>
44 /* Include header files for the mach system, if they exist.. */
46 #if HAVE_MACH_MACH_INIT_H
47 #include <mach/mach_init.h>
49 #if HAVE_MACH_HOST_PRIV_H
50 #include <mach/host_priv.h>
52 #if HAVE_MACH_MACH_ERROR_H
53 #include <mach/mach_error.h>
55 #if HAVE_MACH_MACH_HOST_H
56 #include <mach/mach_host.h>
58 #if HAVE_MACH_MACH_PORT_H
59 #include <mach/mach_port.h>
61 #if HAVE_MACH_MACH_TYPES_H
62 #include <mach/mach_types.h>
64 #if HAVE_MACH_MESSAGE_H
65 #include <mach/message.h>
67 #if HAVE_MACH_PROCESSOR_SET_H
68 #include <mach/processor_set.h>
71 #include <mach/task.h>
73 #if HAVE_MACH_THREAD_ACT_H
74 #include <mach/thread_act.h>
76 #if HAVE_MACH_VM_REGION_H
77 #include <mach/vm_region.h>
79 #if HAVE_MACH_VM_MAP_H
80 #include <mach/vm_map.h>
82 #if HAVE_MACH_VM_PROT_H
83 #include <mach/vm_prot.h>
86 #include <sys/sysctl.h>
88 /* #endif HAVE_THREAD_INFO */
91 #if HAVE_LINUX_CONFIG_H
92 #include <linux/config.h>
97 /* #endif KERNEL_LINUX */
99 #elif HAVE_LIBKVM_GETPROCS && \
100 (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
102 #include <sys/param.h>
103 #include <sys/proc.h>
104 #include <sys/sysctl.h>
105 #include <sys/user.h>
106 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD ||
107 * HAVE_STRUCT_KINFO_PROC_OPENBSD) */
109 #elif HAVE_PROCINFO_H
110 #include <procinfo.h>
111 #include <sys/types.h>
113 #define MAXPROCENTRY 32
114 #define MAXTHRDENTRY 16
115 #define MAXARGLN 1024
116 /* #endif HAVE_PROCINFO_H */
119 /* Hack: Avoid #error when building a 32-bit binary with
120 * _FILE_OFFSET_BITS=64. There is a reason for this #error, as one
121 * of the structures in <sys/procfs.h> uses an off_t, but that
122 * isn't relevant to our usage of procfs. */
123 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64
125 #undef _FILE_OFFSET_BITS
131 #define _FILE_OFFSET_BITS 64
136 #include <sys/user.h>
142 /* #endif KERNEL_SOLARIS */
145 #error "No applicable input method."
156 #ifndef CMDLINE_BUFFER_SIZE
157 #if defined(ARG_MAX) && (ARG_MAX < 4096)
158 #define CMDLINE_BUFFER_SIZE ARG_MAX
160 #define CMDLINE_BUFFER_SIZE 4096
164 #define PROCSTAT_NAME_LEN 256
165 typedef struct process_entry_s {
167 char name[PROCSTAT_NAME_LEN];
169 unsigned long num_proc;
170 unsigned long num_lwp;
171 unsigned long num_fd;
172 unsigned long num_maps;
173 unsigned long vmem_size;
174 unsigned long vmem_rss;
175 unsigned long vmem_data;
176 unsigned long vmem_code;
177 unsigned long stack_size;
179 derive_t vmem_minflt_counter;
180 derive_t vmem_majflt_counter;
182 derive_t cpu_user_counter;
183 derive_t cpu_system_counter;
194 derive_t cswitch_vol;
195 derive_t cswitch_invol;
203 typedef struct procstat_entry_s {
207 derive_t vmem_minflt_counter;
208 derive_t vmem_majflt_counter;
210 derive_t cpu_user_counter;
211 derive_t cpu_system_counter;
221 derive_t cswitch_vol;
222 derive_t cswitch_invol;
224 struct procstat_entry_s *next;
227 typedef struct procstat {
228 char name[PROCSTAT_NAME_LEN];
233 unsigned long num_proc;
234 unsigned long num_lwp;
235 unsigned long num_fd;
236 unsigned long num_maps;
237 unsigned long vmem_size;
238 unsigned long vmem_rss;
239 unsigned long vmem_data;
240 unsigned long vmem_code;
241 unsigned long stack_size;
243 derive_t vmem_minflt_counter;
244 derive_t vmem_majflt_counter;
246 derive_t cpu_user_counter;
247 derive_t cpu_system_counter;
257 derive_t cswitch_vol;
258 derive_t cswitch_invol;
261 _Bool report_maps_num;
262 _Bool report_ctx_switch;
264 struct procstat *next;
265 struct procstat_entry_s *instances;
268 static procstat_t *list_head_g = NULL;
270 static _Bool want_init = 1;
271 static _Bool report_ctx_switch = 0;
272 static _Bool report_fd_num = 0;
273 static _Bool report_maps_num = 0;
276 static mach_port_t port_host_self;
277 static mach_port_t port_task_self;
279 static processor_set_name_array_t pset_list;
280 static mach_msg_type_number_t pset_list_len;
281 /* #endif HAVE_THREAD_INFO */
284 static long pagesize_g;
285 static void ps_fill_details(const procstat_t *ps, process_entry_t *entry);
286 /* #endif KERNEL_LINUX */
288 #elif HAVE_LIBKVM_GETPROCS && \
289 (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
291 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD ||
292 * HAVE_STRUCT_KINFO_PROC_OPENBSD) */
294 #elif HAVE_PROCINFO_H
295 static struct procentry64 procentry[MAXPROCENTRY];
296 static struct thrdentry64 thrdentry[MAXTHRDENTRY];
299 #ifndef _AIXVERSION_610
300 int getprocs64(void *procsinfo, int sizproc, void *fdsinfo, int sizfd,
301 pid_t *index, int count);
302 int getthrds64(pid_t, void *, int, tid64_t *, int);
304 int getargs(void *processBuffer, int bufferLen, char *argsBuffer, int argsLen);
305 #endif /* HAVE_PROCINFO_H */
307 /* put name of process from config to list_head_g tree
308 * list_head_g is a list of 'procstat_t' structs with
309 * processes names we want to watch */
310 static procstat_t *ps_list_register(const char *name, const char *regexp) {
315 new = calloc(1, sizeof(*new));
317 ERROR("processes plugin: ps_list_register: calloc failed.");
320 sstrncpy(new->name, name, sizeof(new->name));
328 new->cswitch_vol = -1;
329 new->cswitch_invol = -1;
331 new->report_fd_num = report_fd_num;
332 new->report_maps_num = report_maps_num;
333 new->report_ctx_switch = report_ctx_switch;
336 if (regexp != NULL) {
337 DEBUG("ProcessMatch: adding \"%s\" as criteria to process %s.", regexp,
339 new->re = malloc(sizeof(*new->re));
340 if (new->re == NULL) {
341 ERROR("processes plugin: ps_list_register: malloc failed.");
346 status = regcomp(new->re, regexp, REG_EXTENDED | REG_NOSUB);
348 DEBUG("ProcessMatch: compiling the regular expression \"%s\" failed.",
356 if (regexp != NULL) {
357 ERROR("processes plugin: ps_list_register: "
358 "Regular expression \"%s\" found in config "
359 "file, but support for regular expressions "
360 "has been disabled at compile time.",
367 for (ptr = list_head_g; ptr != NULL; ptr = ptr->next) {
368 if (strcmp(ptr->name, name) == 0) {
369 WARNING("processes plugin: You have configured more "
370 "than one `Process' or "
371 "`ProcessMatch' with the same name. "
372 "All but the first setting will be "
381 if (ptr->next == NULL)
391 } /* void ps_list_register */
393 /* try to match name against entry, returns 1 if success */
394 static int ps_list_match(const char *name, const char *cmdline,
397 if (ps->re != NULL) {
402 if ((str == NULL) || (str[0] == 0))
407 status = regexec(ps->re, str,
415 if (strcmp(ps->name, name) == 0)
419 } /* int ps_list_match */
421 static void ps_update_counter(derive_t *group_counter, derive_t *curr_counter,
422 derive_t new_counter) {
423 unsigned long curr_value;
426 *curr_counter = new_counter;
430 if (new_counter < *curr_counter)
431 curr_value = new_counter + (ULONG_MAX - *curr_counter);
433 curr_value = new_counter - *curr_counter;
435 if (*group_counter == -1)
438 *curr_counter = new_counter;
439 *group_counter += curr_value;
442 /* add process entry to 'instances' of process 'name' (or refresh it) */
443 static void ps_list_add(const char *name, const char *cmdline,
444 process_entry_t *entry) {
445 procstat_entry_t *pse;
450 for (procstat_t *ps = list_head_g; ps != NULL; ps = ps->next) {
451 if ((ps_list_match(name, cmdline, ps)) == 0)
455 ps_fill_details(ps, entry);
458 for (pse = ps->instances; pse != NULL; pse = pse->next)
459 if ((pse->id == entry->id) || (pse->next == NULL))
462 if ((pse == NULL) || (pse->id != entry->id)) {
463 procstat_entry_t *new;
465 new = calloc(1, sizeof(*new));
480 ps->num_proc += entry->num_proc;
481 ps->num_lwp += entry->num_lwp;
482 ps->num_fd += entry->num_fd;
483 ps->num_maps += entry->num_maps;
484 ps->vmem_size += entry->vmem_size;
485 ps->vmem_rss += entry->vmem_rss;
486 ps->vmem_data += entry->vmem_data;
487 ps->vmem_code += entry->vmem_code;
488 ps->stack_size += entry->stack_size;
490 if ((entry->io_rchar != -1) && (entry->io_wchar != -1)) {
491 ps_update_counter(&ps->io_rchar, &pse->io_rchar, entry->io_rchar);
492 ps_update_counter(&ps->io_wchar, &pse->io_wchar, entry->io_wchar);
495 if ((entry->io_syscr != -1) && (entry->io_syscw != -1)) {
496 ps_update_counter(&ps->io_syscr, &pse->io_syscr, entry->io_syscr);
497 ps_update_counter(&ps->io_syscw, &pse->io_syscw, entry->io_syscw);
500 if ((entry->io_diskr != -1) && (entry->io_diskw != -1)) {
501 ps_update_counter(&ps->io_diskr, &pse->io_diskr, entry->io_diskr);
502 ps_update_counter(&ps->io_diskw, &pse->io_diskw, entry->io_diskw);
505 if ((entry->cswitch_vol != -1) && (entry->cswitch_invol != -1)) {
506 ps_update_counter(&ps->cswitch_vol, &pse->cswitch_vol,
508 ps_update_counter(&ps->cswitch_invol, &pse->cswitch_invol,
509 entry->cswitch_invol);
512 ps_update_counter(&ps->vmem_minflt_counter, &pse->vmem_minflt_counter,
513 entry->vmem_minflt_counter);
514 ps_update_counter(&ps->vmem_majflt_counter, &pse->vmem_majflt_counter,
515 entry->vmem_majflt_counter);
517 ps_update_counter(&ps->cpu_user_counter, &pse->cpu_user_counter,
518 entry->cpu_user_counter);
519 ps_update_counter(&ps->cpu_system_counter, &pse->cpu_system_counter,
520 entry->cpu_system_counter);
524 /* remove old entries from instances of processes in list_head_g */
525 static void ps_list_reset(void) {
526 procstat_entry_t *pse;
527 procstat_entry_t *pse_prev;
529 for (procstat_t *ps = list_head_g; ps != NULL; ps = ps->next) {
542 while (pse != NULL) {
544 DEBUG("Removing this procstat entry cause it's too old: "
545 "id = %lu; name = %s;",
548 if (pse_prev == NULL) {
549 ps->instances = pse->next;
553 pse_prev->next = pse->next;
555 pse = pse_prev->next;
562 } /* while (pse != NULL) */
563 } /* for (ps = list_head_g; ps != NULL; ps = ps->next) */
566 static void ps_tune_instance(oconfig_item_t *ci, procstat_t *ps) {
567 for (int i = 0; i < ci->children_num; i++) {
568 oconfig_item_t *c = ci->children + i;
570 if (strcasecmp(c->key, "CollectContextSwitch") == 0)
571 cf_util_get_boolean(c, &ps->report_ctx_switch);
572 else if (strcasecmp(c->key, "CollectFileDescriptor") == 0)
573 cf_util_get_boolean(c, &ps->report_fd_num);
574 else if (strcasecmp(c->key, "CollectMemoryMaps") == 0)
575 cf_util_get_boolean(c, &ps->report_maps_num);
577 ERROR("processes plugin: Option `%s' not allowed here.", c->key);
579 } /* for (ci->children) */
580 } /* void ps_tune_instance */
582 /* put all pre-defined 'Process' names from config to list_head_g tree */
583 static int ps_config(oconfig_item_t *ci) {
585 const size_t max_procname_len = 15;
586 #elif KERNEL_SOLARIS || KERNEL_FREEBSD
587 const size_t max_procname_len = MAXCOMLEN - 1;
592 for (int i = 0; i < ci->children_num; ++i) {
593 oconfig_item_t *c = ci->children + i;
595 if (strcasecmp(c->key, "Process") == 0) {
596 if ((c->values_num != 1) || (OCONFIG_TYPE_STRING != c->values[0].type)) {
597 ERROR("processes plugin: `Process' expects exactly "
598 "one string argument (got %i).",
603 #if KERNEL_LINUX || KERNEL_SOLARIS || KERNEL_FREEBSD
604 if (strlen(c->values[0].value.string) > max_procname_len) {
605 WARNING("processes plugin: this platform has a %" PRIsz
607 "to process names. The `Process \"%s\"' option will "
608 "not work as expected.",
609 max_procname_len, c->values[0].value.string);
613 ps = ps_list_register(c->values[0].value.string, NULL);
615 if (c->children_num != 0 && ps != NULL)
616 ps_tune_instance(c, ps);
617 } else if (strcasecmp(c->key, "ProcessMatch") == 0) {
618 if ((c->values_num != 2) || (OCONFIG_TYPE_STRING != c->values[0].type) ||
619 (OCONFIG_TYPE_STRING != c->values[1].type)) {
620 ERROR("processes plugin: `ProcessMatch' needs exactly "
621 "two string arguments (got %i).",
626 ps = ps_list_register(c->values[0].value.string,
627 c->values[1].value.string);
629 if (c->children_num != 0 && ps != NULL)
630 ps_tune_instance(c, ps);
631 } else if (strcasecmp(c->key, "CollectContextSwitch") == 0) {
632 cf_util_get_boolean(c, &report_ctx_switch);
633 } else if (strcasecmp(c->key, "CollectFileDescriptor") == 0) {
634 cf_util_get_boolean(c, &report_fd_num);
635 } else if (strcasecmp(c->key, "CollectMemoryMaps") == 0) {
636 cf_util_get_boolean(c, &report_maps_num);
638 ERROR("processes plugin: The `%s' configuration option is not "
639 "understood and will be ignored.",
648 static int ps_init(void) {
650 kern_return_t status;
652 port_host_self = mach_host_self();
653 port_task_self = mach_task_self();
655 if (pset_list != NULL) {
656 vm_deallocate(port_task_self, (vm_address_t)pset_list,
657 pset_list_len * sizeof(processor_set_t));
662 if ((status = host_processor_sets(port_host_self, &pset_list,
663 &pset_list_len)) != KERN_SUCCESS) {
664 ERROR("host_processor_sets failed: %s\n", mach_error_string(status));
669 /* #endif HAVE_THREAD_INFO */
672 pagesize_g = sysconf(_SC_PAGESIZE);
673 DEBUG("pagesize_g = %li; CONFIG_HZ = %i;", pagesize_g, CONFIG_HZ);
674 /* #endif KERNEL_LINUX */
676 #elif HAVE_LIBKVM_GETPROCS && \
677 (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
678 pagesize = getpagesize();
679 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD ||
680 * HAVE_STRUCT_KINFO_PROC_OPENBSD) */
682 #elif HAVE_PROCINFO_H
683 pagesize = getpagesize();
684 #endif /* HAVE_PROCINFO_H */
689 /* submit global state (e.g.: qty of zombies, running, etc..) */
690 static void ps_submit_state(const char *state, double value) {
691 value_list_t vl = VALUE_LIST_INIT;
693 vl.values = &(value_t){.gauge = value};
695 sstrncpy(vl.plugin, "processes", sizeof(vl.plugin));
696 sstrncpy(vl.plugin_instance, "", sizeof(vl.plugin_instance));
697 sstrncpy(vl.type, "ps_state", sizeof(vl.type));
698 sstrncpy(vl.type_instance, state, sizeof(vl.type_instance));
700 plugin_dispatch_values(&vl);
703 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
704 static void ps_submit_proc_list(procstat_t *ps) {
705 value_list_t vl = VALUE_LIST_INIT;
709 sstrncpy(vl.plugin, "processes", sizeof(vl.plugin));
710 sstrncpy(vl.plugin_instance, ps->name, sizeof(vl.plugin_instance));
712 sstrncpy(vl.type, "ps_vm", sizeof(vl.type));
713 vl.values[0].gauge = ps->vmem_size;
715 plugin_dispatch_values(&vl);
717 sstrncpy(vl.type, "ps_rss", sizeof(vl.type));
718 vl.values[0].gauge = ps->vmem_rss;
720 plugin_dispatch_values(&vl);
722 sstrncpy(vl.type, "ps_data", sizeof(vl.type));
723 vl.values[0].gauge = ps->vmem_data;
725 plugin_dispatch_values(&vl);
727 sstrncpy(vl.type, "ps_code", sizeof(vl.type));
728 vl.values[0].gauge = ps->vmem_code;
730 plugin_dispatch_values(&vl);
732 sstrncpy(vl.type, "ps_stacksize", sizeof(vl.type));
733 vl.values[0].gauge = ps->stack_size;
735 plugin_dispatch_values(&vl);
737 sstrncpy(vl.type, "ps_cputime", sizeof(vl.type));
738 vl.values[0].derive = ps->cpu_user_counter;
739 vl.values[1].derive = ps->cpu_system_counter;
741 plugin_dispatch_values(&vl);
743 sstrncpy(vl.type, "ps_count", sizeof(vl.type));
744 vl.values[0].gauge = ps->num_proc;
745 vl.values[1].gauge = ps->num_lwp;
747 plugin_dispatch_values(&vl);
749 sstrncpy(vl.type, "ps_pagefaults", sizeof(vl.type));
750 vl.values[0].derive = ps->vmem_minflt_counter;
751 vl.values[1].derive = ps->vmem_majflt_counter;
753 plugin_dispatch_values(&vl);
755 if ((ps->io_rchar != -1) && (ps->io_wchar != -1)) {
756 sstrncpy(vl.type, "io_octets", sizeof(vl.type));
757 vl.values[0].derive = ps->io_rchar;
758 vl.values[1].derive = ps->io_wchar;
760 plugin_dispatch_values(&vl);
763 if ((ps->io_syscr != -1) && (ps->io_syscw != -1)) {
764 sstrncpy(vl.type, "io_ops", sizeof(vl.type));
765 vl.values[0].derive = ps->io_syscr;
766 vl.values[1].derive = ps->io_syscw;
768 plugin_dispatch_values(&vl);
771 if ((ps->io_diskr != -1) && (ps->io_diskw != -1)) {
772 sstrncpy(vl.type, "disk_octets", sizeof(vl.type));
773 vl.values[0].derive = ps->io_diskr;
774 vl.values[1].derive = ps->io_diskw;
776 plugin_dispatch_values(&vl);
779 if (ps->num_fd > 0) {
780 sstrncpy(vl.type, "file_handles", sizeof(vl.type));
781 vl.values[0].gauge = ps->num_fd;
783 plugin_dispatch_values(&vl);
786 if (ps->num_maps > 0) {
787 sstrncpy(vl.type, "file_handles", sizeof(vl.type));
788 sstrncpy(vl.type_instance, "mapped", sizeof(vl.type_instance));
789 vl.values[0].gauge = ps->num_maps;
791 plugin_dispatch_values(&vl);
794 if ((ps->cswitch_vol != -1) && (ps->cswitch_invol != -1)) {
795 sstrncpy(vl.type, "contextswitch", sizeof(vl.type));
796 sstrncpy(vl.type_instance, "voluntary", sizeof(vl.type_instance));
797 vl.values[0].derive = ps->cswitch_vol;
799 plugin_dispatch_values(&vl);
801 sstrncpy(vl.type, "contextswitch", sizeof(vl.type));
802 sstrncpy(vl.type_instance, "involuntary", sizeof(vl.type_instance));
803 vl.values[0].derive = ps->cswitch_invol;
805 plugin_dispatch_values(&vl);
809 "name = %s; num_proc = %lu; num_lwp = %lu; num_fd = %lu; num_maps = %lu; "
810 "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
812 "vmem_minflt_counter = %" PRIi64 "; vmem_majflt_counter = %" PRIi64 "; "
813 "cpu_user_counter = %" PRIi64 "; cpu_system_counter = %" PRIi64 "; "
814 "io_rchar = %" PRIi64 "; io_wchar = %" PRIi64 "; "
815 "io_syscr = %" PRIi64 "; io_syscw = %" PRIi64 "; "
816 "io_diskr = %" PRIi64 "; io_diskw = %" PRIi64 "; "
817 "cswitch_vol = %" PRIi64 "; cswitch_invol = %" PRIi64 ";",
818 ps->name, ps->num_proc, ps->num_lwp, ps->num_fd, ps->num_maps,
819 ps->vmem_size, ps->vmem_rss, ps->vmem_data, ps->vmem_code,
820 ps->vmem_minflt_counter, ps->vmem_majflt_counter, ps->cpu_user_counter,
821 ps->cpu_system_counter, ps->io_rchar, ps->io_wchar, ps->io_syscr,
822 ps->io_syscw, ps->io_diskr, ps->io_diskw, ps->cswitch_vol,
825 } /* void ps_submit_proc_list */
827 #if KERNEL_LINUX || KERNEL_SOLARIS
828 static void ps_submit_fork_rate(derive_t value) {
829 value_list_t vl = VALUE_LIST_INIT;
831 vl.values = &(value_t){.derive = value};
833 sstrncpy(vl.plugin, "processes", sizeof(vl.plugin));
834 sstrncpy(vl.plugin_instance, "", sizeof(vl.plugin_instance));
835 sstrncpy(vl.type, "fork_rate", sizeof(vl.type));
836 sstrncpy(vl.type_instance, "", sizeof(vl.type_instance));
838 plugin_dispatch_values(&vl);
840 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
842 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
844 static int ps_read_tasks_status(process_entry_t *ps) {
850 derive_t cswitch_vol = 0;
851 derive_t cswitch_invol = 0;
856 snprintf(dirname, sizeof(dirname), "/proc/%li/task", ps->id);
858 if ((dh = opendir(dirname)) == NULL) {
859 DEBUG("Failed to open directory `%s'", dirname);
863 while ((ent = readdir(dh)) != NULL) {
866 if (!isdigit((int)ent->d_name[0]))
871 if (snprintf(filename, sizeof(filename), "/proc/%li/task/%s/status", ps->id,
872 tpid) >= sizeof(filename)) {
873 DEBUG("Filename too long: `%s'", filename);
877 if ((fh = fopen(filename, "r")) == NULL) {
878 DEBUG("Failed to open file `%s'", filename);
882 while (fgets(buffer, sizeof(buffer), fh) != NULL) {
886 if (strncmp(buffer, "voluntary_ctxt_switches", 23) != 0 &&
887 strncmp(buffer, "nonvoluntary_ctxt_switches", 26) != 0)
890 numfields = strsplit(buffer, fields, STATIC_ARRAY_SIZE(fields));
897 tmp = (derive_t)strtoll(fields[1], &endptr, /* base = */ 10);
898 if ((errno == 0) && (endptr != fields[1])) {
899 if (strncmp(buffer, "voluntary_ctxt_switches", 23) == 0) {
901 } else if (strncmp(buffer, "nonvoluntary_ctxt_switches", 26) == 0) {
902 cswitch_invol += tmp;
905 } /* while (fgets) */
908 WARNING("processes: fclose: %s", STRERRNO);
913 ps->cswitch_vol = cswitch_vol;
914 ps->cswitch_invol = cswitch_invol;
917 } /* int *ps_read_tasks_status */
919 /* Read data from /proc/pid/status */
920 static int ps_read_status(long pid, process_entry_t *ps) {
924 unsigned long lib = 0;
925 unsigned long exe = 0;
926 unsigned long data = 0;
927 unsigned long threads = 0;
931 snprintf(filename, sizeof(filename), "/proc/%li/status", pid);
932 if ((fh = fopen(filename, "r")) == NULL)
935 while (fgets(buffer, sizeof(buffer), fh) != NULL) {
939 if (strncmp(buffer, "Vm", 2) != 0 && strncmp(buffer, "Threads", 7) != 0)
942 numfields = strsplit(buffer, fields, STATIC_ARRAY_SIZE(fields));
949 tmp = strtoul(fields[1], &endptr, /* base = */ 10);
950 if ((errno == 0) && (endptr != fields[1])) {
951 if (strncmp(buffer, "VmData", 6) == 0) {
953 } else if (strncmp(buffer, "VmLib", 5) == 0) {
955 } else if (strncmp(buffer, "VmExe", 5) == 0) {
957 } else if (strncmp(buffer, "Threads", 7) == 0) {
961 } /* while (fgets) */
964 WARNING("processes: fclose: %s", STRERRNO);
967 ps->vmem_data = data * 1024;
968 ps->vmem_code = (exe + lib) * 1024;
970 ps->num_lwp = threads;
973 } /* int *ps_read_status */
975 static int ps_read_io(process_entry_t *ps) {
983 snprintf(filename, sizeof(filename), "/proc/%li/io", ps->id);
984 if ((fh = fopen(filename, "r")) == NULL) {
985 DEBUG("ps_read_io: Failed to open file `%s'", filename);
989 while (fgets(buffer, sizeof(buffer), fh) != NULL) {
990 derive_t *val = NULL;
994 if (strncasecmp(buffer, "rchar:", 6) == 0)
995 val = &(ps->io_rchar);
996 else if (strncasecmp(buffer, "wchar:", 6) == 0)
997 val = &(ps->io_wchar);
998 else if (strncasecmp(buffer, "syscr:", 6) == 0)
999 val = &(ps->io_syscr);
1000 else if (strncasecmp(buffer, "syscw:", 6) == 0)
1001 val = &(ps->io_syscw);
1002 else if (strncasecmp(buffer, "read_bytes:", 11) == 0)
1003 val = &(ps->io_diskr);
1004 else if (strncasecmp(buffer, "write_bytes:", 12) == 0)
1005 val = &(ps->io_diskw);
1009 numfields = strsplit(buffer, fields, STATIC_ARRAY_SIZE(fields));
1016 tmp = strtoll(fields[1], &endptr, /* base = */ 10);
1017 if ((errno != 0) || (endptr == fields[1]))
1020 *val = (derive_t)tmp;
1021 } /* while (fgets) */
1024 WARNING("processes: fclose: %s", STRERRNO);
1027 } /* int ps_read_io (...) */
1029 static int ps_count_maps(pid_t pid) {
1035 snprintf(filename, sizeof(filename), "/proc/%d/maps", pid);
1036 if ((fh = fopen(filename, "r")) == NULL) {
1037 DEBUG("ps_count_maps: Failed to open file `%s'", filename);
1041 while (fgets(buffer, sizeof(buffer), fh) != NULL) {
1042 if (strchr(buffer, '\n')) {
1045 } /* while (fgets) */
1048 WARNING("processes: fclose: %s", STRERRNO);
1051 } /* int ps_count_maps (...) */
1053 static int ps_count_fd(int pid) {
1059 snprintf(dirname, sizeof(dirname), "/proc/%i/fd", pid);
1061 if ((dh = opendir(dirname)) == NULL) {
1062 DEBUG("Failed to open directory `%s'", dirname);
1065 while ((ent = readdir(dh)) != NULL) {
1066 if (!isdigit((int)ent->d_name[0]))
1073 return (count >= 1) ? count : 1;
1074 } /* int ps_count_fd (pid) */
1076 static void ps_fill_details(const procstat_t *ps, process_entry_t *entry) {
1077 if (entry->has_io == 0) {
1082 if (ps->report_ctx_switch) {
1083 if (entry->has_cswitch == 0) {
1084 ps_read_tasks_status(entry);
1085 entry->has_cswitch = 1;
1089 if (ps->report_maps_num) {
1091 if (entry->has_maps == 0 && (num_maps = ps_count_maps(entry->id)) > 0) {
1092 entry->num_maps = num_maps;
1094 entry->has_maps = 1;
1097 if (ps->report_fd_num) {
1099 if (entry->has_fd == 0 && (num_fd = ps_count_fd(entry->id)) > 0) {
1100 entry->num_fd = num_fd;
1104 } /* void ps_fill_details (...) */
1106 static int ps_read_process(long pid, process_entry_t *ps, char *state) {
1116 size_t name_start_pos;
1117 size_t name_end_pos;
1120 derive_t cpu_user_counter;
1121 derive_t cpu_system_counter;
1122 long long unsigned vmem_size;
1123 long long unsigned vmem_rss;
1124 long long unsigned stack_size;
1128 snprintf(filename, sizeof(filename), "/proc/%li/stat", pid);
1130 status = read_file_contents(filename, buffer, sizeof(buffer) - 1);
1133 buffer_len = (size_t)status;
1134 buffer[buffer_len] = 0;
1136 /* The name of the process is enclosed in parens. Since the name can
1137 * contain parens itself, spaces, numbers and pretty much everything
1138 * else, use these to determine the process name. We don't use
1139 * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
1140 * otherwise be required to determine name_len. */
1142 while (name_start_pos < buffer_len && buffer[name_start_pos] != '(')
1145 name_end_pos = buffer_len;
1146 while (name_end_pos > 0 && buffer[name_end_pos] != ')')
1149 /* Either '(' or ')' is not found or they are in the wrong order.
1150 * Anyway, something weird that shouldn't happen ever. */
1151 if (name_start_pos >= name_end_pos) {
1152 ERROR("processes plugin: name_start_pos = %" PRIsz
1153 " >= name_end_pos = %" PRIsz,
1154 name_start_pos, name_end_pos);
1158 name_len = (name_end_pos - name_start_pos) - 1;
1159 if (name_len >= sizeof(ps->name))
1160 name_len = sizeof(ps->name) - 1;
1162 sstrncpy(ps->name, &buffer[name_start_pos + 1], name_len + 1);
1164 if ((buffer_len - name_end_pos) < 2)
1166 buffer_ptr = &buffer[name_end_pos + 2];
1168 fields_len = strsplit(buffer_ptr, fields, STATIC_ARRAY_SIZE(fields));
1169 if (fields_len < 22) {
1170 DEBUG("processes plugin: ps_read_process (pid = %li):"
1171 " `%s' has only %i fields..",
1172 pid, filename, fields_len);
1176 *state = fields[0][0];
1178 if (*state == 'Z') {
1182 ps->num_lwp = strtoul(fields[17], /* endptr = */ NULL, /* base = */ 10);
1183 if ((ps_read_status(pid, ps)) != 0) {
1187 DEBUG("ps_read_process: did not get vmem data for pid %li", pid);
1189 if (ps->num_lwp == 0)
1194 /* Leave the rest at zero if this is only a zombi */
1195 if (ps->num_proc == 0) {
1196 DEBUG("processes plugin: This is only a zombie: pid = %li; "
1202 cpu_user_counter = atoll(fields[11]);
1203 cpu_system_counter = atoll(fields[12]);
1204 vmem_size = atoll(fields[20]);
1205 vmem_rss = atoll(fields[21]);
1206 ps->vmem_minflt_counter = atol(fields[7]);
1207 ps->vmem_majflt_counter = atol(fields[9]);
1210 unsigned long long stack_start = atoll(fields[25]);
1211 unsigned long long stack_ptr = atoll(fields[26]);
1213 stack_size = (stack_start > stack_ptr) ? stack_start - stack_ptr
1214 : stack_ptr - stack_start;
1217 /* Convert jiffies to useconds */
1218 cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
1219 cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1220 vmem_rss = vmem_rss * pagesize_g;
1222 ps->cpu_user_counter = cpu_user_counter;
1223 ps->cpu_system_counter = cpu_system_counter;
1224 ps->vmem_size = (unsigned long)vmem_size;
1225 ps->vmem_rss = (unsigned long)vmem_rss;
1226 ps->stack_size = (unsigned long)stack_size;
1228 /* no data by default. May be filled by ps_fill_details () */
1236 ps->cswitch_vol = -1;
1237 ps->cswitch_invol = -1;
1241 } /* int ps_read_process (...) */
1243 static char *ps_get_cmdline(long pid, char *name, char *buf, size_t buf_len) {
1247 char file[PATH_MAX];
1252 if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1255 snprintf(file, sizeof(file), "/proc/%li/cmdline", pid);
1258 fd = open(file, O_RDONLY);
1260 /* ENOENT means the process exited while we were handling it.
1261 * Don't complain about this, it only fills the logs. */
1262 if (errno != ENOENT)
1263 WARNING("processes plugin: Failed to open `%s': %s.", file, STRERRNO);
1275 status = read(fd, (void *)buf_ptr, len);
1279 if ((EAGAIN == errno) || (EINTR == errno))
1282 WARNING("processes plugin: Failed to read from `%s': %s.", file,
1303 /* cmdline not available; e.g. kernel thread, zombie */
1307 snprintf(buf, buf_len, "[%s]", name);
1311 assert(n <= buf_len);
1318 /* remove trailing whitespace */
1319 while ((n > 0) && (isspace(buf[n]) || ('\0' == buf[n]))) {
1324 /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1331 } /* char *ps_get_cmdline (...) */
1333 static int read_fork_rate(void) {
1337 _Bool value_valid = 0;
1339 proc_stat = fopen("/proc/stat", "r");
1340 if (proc_stat == NULL) {
1341 ERROR("processes plugin: fopen (/proc/stat) failed: %s", STRERRNO);
1345 while (fgets(buffer, sizeof(buffer), proc_stat) != NULL) {
1350 fields_num = strsplit(buffer, fields, STATIC_ARRAY_SIZE(fields));
1351 if (fields_num != 2)
1354 if (strcmp("processes", fields[0]) != 0)
1357 status = parse_value(fields[1], &value, DS_TYPE_DERIVE);
1368 ps_submit_fork_rate(value.derive);
1371 #endif /*KERNEL_LINUX */
1374 static char *ps_get_cmdline(long pid,
1375 char *name __attribute__((unused)), /* {{{ */
1376 char *buffer, size_t buffer_size) {
1377 char path[PATH_MAX];
1381 snprintf(path, sizeof(path), "/proc/%li/psinfo", pid);
1383 status = read_file_contents(path, (void *)&info, sizeof(info));
1384 if ((status < 0) || (((size_t)status) != sizeof(info))) {
1385 ERROR("processes plugin: Unexpected return value "
1386 "while reading \"%s\": "
1387 "Returned %zd but expected %" PRIsz ".",
1388 path, status, buffer_size);
1392 info.pr_psargs[sizeof(info.pr_psargs) - 1] = 0;
1393 sstrncpy(buffer, info.pr_psargs, buffer_size);
1396 } /* }}} int ps_get_cmdline */
1399 * Reads process information on the Solaris OS. The information comes mainly
1401 * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1402 * The values for input and ouput chars are calculated "by hand"
1403 * Added a few "solaris" specific process states as well
1405 static int ps_read_process(long pid, process_entry_t *ps, char *state) {
1407 char f_psinfo[64], f_usage[64];
1410 pstatus_t *myStatus;
1414 snprintf(filename, sizeof(filename), "/proc/%li/status", pid);
1415 snprintf(f_psinfo, sizeof(f_psinfo), "/proc/%li/psinfo", pid);
1416 snprintf(f_usage, sizeof(f_usage), "/proc/%li/usage", pid);
1418 buffer = calloc(1, sizeof(pstatus_t));
1419 read_file_contents(filename, buffer, sizeof(pstatus_t));
1420 myStatus = (pstatus_t *)buffer;
1422 buffer = calloc(1, sizeof(psinfo_t));
1423 read_file_contents(f_psinfo, buffer, sizeof(psinfo_t));
1424 myInfo = (psinfo_t *)buffer;
1426 buffer = calloc(1, sizeof(prusage_t));
1427 read_file_contents(f_usage, buffer, sizeof(prusage_t));
1428 myUsage = (prusage_t *)buffer;
1430 sstrncpy(ps->name, myInfo->pr_fname, sizeof(myInfo->pr_fname));
1431 ps->num_lwp = myStatus->pr_nlwp;
1432 if (myInfo->pr_wstat != 0) {
1443 ps->num_lwp = myInfo->pr_nlwp;
1447 * Convert system time and user time from nanoseconds to microseconds
1448 * for compatibility with the linux module
1450 ps->cpu_system_counter = myStatus->pr_stime.tv_nsec / 1000;
1451 ps->cpu_user_counter = myStatus->pr_utime.tv_nsec / 1000;
1454 * Convert rssize from KB to bytes to be consistent w/ the linux module
1456 ps->vmem_rss = myInfo->pr_rssize * 1024;
1457 ps->vmem_size = myInfo->pr_size * 1024;
1458 ps->vmem_minflt_counter = myUsage->pr_minf;
1459 ps->vmem_majflt_counter = myUsage->pr_majf;
1462 * TODO: Data and code segment calculations for Solaris
1467 ps->stack_size = myStatus->pr_stksize;
1470 * TODO: File descriptor count for Solaris
1474 /* Number of memory mappings */
1478 * Calculating input/ouput chars
1479 * Formula used is total chars / total blocks => chars/block
1480 * then convert input/output blocks to chars
1482 ulong_t tot_chars = myUsage->pr_ioch;
1483 ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1484 ulong_t chars_per_block = 1;
1485 if (tot_blocks != 0)
1486 chars_per_block = tot_chars / tot_blocks;
1487 ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1488 ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1489 ps->io_syscr = myUsage->pr_sysc;
1490 ps->io_syscw = myUsage->pr_sysc;
1495 * TODO: context switch counters for Solaris
1497 ps->cswitch_vol = -1;
1498 ps->cswitch_invol = -1;
1501 * TODO: Find way of setting BLOCKED and PAGING status
1505 if (myStatus->pr_flags & PR_ASLEEP)
1507 else if (myStatus->pr_flags & PR_STOPPED)
1509 else if (myStatus->pr_flags & PR_DETACH)
1511 else if (myStatus->pr_flags & PR_DAEMON)
1513 else if (myStatus->pr_flags & PR_ISSYS)
1515 else if (myStatus->pr_flags & PR_ORPHAN)
1526 * Reads the number of threads created since the last reboot. On Solaris these
1527 * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1528 * The result is the sum for all the threads created on each cpu
1530 static int read_fork_rate(void) {
1531 extern kstat_ctl_t *kc;
1532 derive_t result = 0;
1537 for (kstat_t *ksp_chain = kc->kc_chain; ksp_chain != NULL;
1538 ksp_chain = ksp_chain->ks_next) {
1539 if ((strcmp(ksp_chain->ks_module, "cpu") == 0) &&
1540 (strcmp(ksp_chain->ks_name, "sys") == 0) &&
1541 (strcmp(ksp_chain->ks_class, "misc") == 0)) {
1544 kstat_read(kc, ksp_chain, NULL);
1546 tmp = get_kstat_value(ksp_chain, "nthreads");
1552 ps_submit_fork_rate(result);
1555 #endif /* KERNEL_SOLARIS */
1557 #if HAVE_THREAD_INFO
1558 static int mach_get_task_name(task_t t, int *pid, char *name,
1559 size_t name_max_len) {
1562 struct kinfo_proc kp;
1567 mib[2] = KERN_PROC_PID;
1569 if (pid_for_task(t, pid) != KERN_SUCCESS)
1573 kp_size = sizeof(kp);
1574 if (sysctl(mib, 4, &kp, &kp_size, NULL, 0) != 0)
1577 if (name_max_len > (MAXCOMLEN + 1))
1578 name_max_len = MAXCOMLEN + 1;
1580 strncpy(name, kp.kp_proc.p_comm, name_max_len - 1);
1581 name[name_max_len - 1] = '\0';
1583 DEBUG("pid = %i; name = %s;", *pid, name);
1585 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1586 * `top' does it, because it is a lot of work and only used when
1587 * debugging. -octo */
1591 #endif /* HAVE_THREAD_INFO */
1592 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO -------
1595 /* do actual readings from kernel */
1596 static int ps_read(void) {
1597 #if HAVE_THREAD_INFO
1598 kern_return_t status;
1600 processor_set_t port_pset_priv;
1602 task_array_t task_list;
1603 mach_msg_type_number_t task_list_len;
1606 char task_name[MAXCOMLEN + 1];
1608 thread_act_array_t thread_list;
1609 mach_msg_type_number_t thread_list_len;
1610 thread_basic_info_data_t thread_data;
1611 mach_msg_type_number_t thread_data_len;
1620 process_entry_t pse;
1625 * The Mach-concept is a little different from the traditional UNIX
1626 * concept: All the work is done in threads. Threads are contained in
1627 * `tasks'. Therefore, `task status' doesn't make much sense, since
1628 * it's actually a `thread status'.
1629 * Tasks are assigned to sets of processors, so that's where you go to
1632 for (mach_msg_type_number_t pset = 0; pset < pset_list_len; pset++) {
1633 if ((status = host_processor_set_priv(port_host_self, pset_list[pset],
1634 &port_pset_priv)) != KERN_SUCCESS) {
1635 ERROR("host_processor_set_priv failed: %s\n", mach_error_string(status));
1639 if ((status = processor_set_tasks(port_pset_priv, &task_list,
1640 &task_list_len)) != KERN_SUCCESS) {
1641 ERROR("processor_set_tasks failed: %s\n", mach_error_string(status));
1642 mach_port_deallocate(port_task_self, port_pset_priv);
1646 for (mach_msg_type_number_t task = 0; task < task_list_len; task++) {
1648 if (mach_get_task_name(task_list[task], &task_pid, task_name,
1649 PROCSTAT_NAME_LEN) == 0) {
1650 /* search for at least one match */
1651 for (ps = list_head_g; ps != NULL; ps = ps->next)
1652 /* FIXME: cmdline should be here instead of NULL */
1653 if (ps_list_match(task_name, NULL, ps) == 1)
1657 /* Collect more detailed statistics for this process */
1659 task_basic_info_data_t task_basic_info;
1660 mach_msg_type_number_t task_basic_info_len;
1661 task_events_info_data_t task_events_info;
1662 mach_msg_type_number_t task_events_info_len;
1663 task_absolutetime_info_data_t task_absolutetime_info;
1664 mach_msg_type_number_t task_absolutetime_info_len;
1666 memset(&pse, '\0', sizeof(pse));
1669 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1670 status = task_info(task_list[task], TASK_BASIC_INFO,
1671 (task_info_t)&task_basic_info, &task_basic_info_len);
1672 if (status != KERN_SUCCESS) {
1673 ERROR("task_info failed: %s", mach_error_string(status));
1674 continue; /* with next thread_list */
1677 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1679 task_info(task_list[task], TASK_EVENTS_INFO,
1680 (task_info_t)&task_events_info, &task_events_info_len);
1681 if (status != KERN_SUCCESS) {
1682 ERROR("task_info failed: %s", mach_error_string(status));
1683 continue; /* with next thread_list */
1686 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1687 status = task_info(task_list[task], TASK_ABSOLUTETIME_INFO,
1688 (task_info_t)&task_absolutetime_info,
1689 &task_absolutetime_info_len);
1690 if (status != KERN_SUCCESS) {
1691 ERROR("task_info failed: %s", mach_error_string(status));
1692 continue; /* with next thread_list */
1696 pse.vmem_size = task_basic_info.virtual_size;
1697 pse.vmem_rss = task_basic_info.resident_size;
1698 /* Does not seem to be easily exposed */
1709 /* File descriptor count not implemented */
1712 /* Number of memory mappings */
1715 pse.vmem_minflt_counter = task_events_info.cow_faults;
1716 pse.vmem_majflt_counter = task_events_info.faults;
1718 pse.cpu_user_counter = task_absolutetime_info.total_user;
1719 pse.cpu_system_counter = task_absolutetime_info.total_system;
1721 /* context switch counters not implemented */
1722 pse.cswitch_vol = -1;
1723 pse.cswitch_invol = -1;
1726 status = task_threads(task_list[task], &thread_list, &thread_list_len);
1727 if (status != KERN_SUCCESS) {
1728 /* Apple's `top' treats this case a zombie. It
1729 * makes sense to some extend: A `zombie'
1730 * thread is nonsense, since the task/process
1733 DEBUG("task_threads failed: %s", mach_error_string(status));
1734 if (task_list[task] != port_task_self)
1735 mach_port_deallocate(port_task_self, task_list[task]);
1736 continue; /* with next task_list */
1739 for (mach_msg_type_number_t thread = 0; thread < thread_list_len;
1741 thread_data_len = THREAD_BASIC_INFO_COUNT;
1742 status = thread_info(thread_list[thread], THREAD_BASIC_INFO,
1743 (thread_info_t)&thread_data, &thread_data_len);
1744 if (status != KERN_SUCCESS) {
1745 ERROR("thread_info failed: %s", mach_error_string(status));
1746 if (task_list[task] != port_task_self)
1747 mach_port_deallocate(port_task_self, thread_list[thread]);
1748 continue; /* with next thread_list */
1754 switch (thread_data.run_state) {
1755 case TH_STATE_RUNNING:
1758 case TH_STATE_STOPPED:
1759 /* What exactly is `halted'? */
1760 case TH_STATE_HALTED:
1763 case TH_STATE_WAITING:
1766 case TH_STATE_UNINTERRUPTIBLE:
1769 /* There is no `zombie' case here,
1770 * since there are no zombie-threads.
1771 * There's only zombie tasks, which are
1774 WARNING("Unknown thread status: %i", thread_data.run_state);
1776 } /* switch (thread_data.run_state) */
1778 if (task_list[task] != port_task_self) {
1779 status = mach_port_deallocate(port_task_self, thread_list[thread]);
1780 if (status != KERN_SUCCESS)
1781 ERROR("mach_port_deallocate failed: %s", mach_error_string(status));
1783 } /* for (thread_list) */
1785 if ((status = vm_deallocate(port_task_self, (vm_address_t)thread_list,
1786 thread_list_len * sizeof(thread_act_t))) !=
1788 ERROR("vm_deallocate failed: %s", mach_error_string(status));
1791 thread_list_len = 0;
1793 /* Only deallocate the task port, if it isn't our own.
1794 * Don't know what would happen in that case, but this
1795 * is what Apple's top does.. ;) */
1796 if (task_list[task] != port_task_self) {
1797 status = mach_port_deallocate(port_task_self, task_list[task]);
1798 if (status != KERN_SUCCESS)
1799 ERROR("mach_port_deallocate failed: %s", mach_error_string(status));
1803 /* FIXME: cmdline should be here instead of NULL */
1804 ps_list_add(task_name, NULL, &pse);
1805 } /* for (task_list) */
1807 if ((status = vm_deallocate(port_task_self, (vm_address_t)task_list,
1808 task_list_len * sizeof(task_t))) !=
1810 ERROR("vm_deallocate failed: %s", mach_error_string(status));
1815 if ((status = mach_port_deallocate(port_task_self, port_pset_priv)) !=
1817 ERROR("mach_port_deallocate failed: %s", mach_error_string(status));
1819 } /* for (pset_list) */
1821 ps_submit_state("running", running);
1822 ps_submit_state("sleeping", sleeping);
1823 ps_submit_state("zombies", zombies);
1824 ps_submit_state("stopped", stopped);
1825 ps_submit_state("blocked", blocked);
1827 for (ps = list_head_g; ps != NULL; ps = ps->next)
1828 ps_submit_proc_list(ps);
1829 /* #endif HAVE_THREAD_INFO */
1843 char cmdline[CMDLINE_BUFFER_SIZE];
1846 process_entry_t pse;
1849 running = sleeping = zombies = stopped = paging = blocked = 0;
1852 if ((proc = opendir("/proc")) == NULL) {
1853 ERROR("Cannot open `/proc': %s", STRERRNO);
1857 while ((ent = readdir(proc)) != NULL) {
1858 if (!isdigit(ent->d_name[0]))
1861 if ((pid = atol(ent->d_name)) < 1)
1864 memset(&pse, 0, sizeof(pse));
1867 status = ps_read_process(pid, &pse, &state);
1869 DEBUG("ps_read_process failed: %i", status);
1894 ps_list_add(pse.name,
1895 ps_get_cmdline(pid, pse.name, cmdline, sizeof(cmdline)), &pse);
1900 ps_submit_state("running", running);
1901 ps_submit_state("sleeping", sleeping);
1902 ps_submit_state("zombies", zombies);
1903 ps_submit_state("stopped", stopped);
1904 ps_submit_state("paging", paging);
1905 ps_submit_state("blocked", blocked);
1907 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1908 ps_submit_proc_list(ps_ptr);
1911 /* #endif KERNEL_LINUX */
1913 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1923 char errbuf[_POSIX2_LINE_MAX];
1924 struct kinfo_proc *procs; /* array of processes */
1925 struct kinfo_proc *proc_ptr = NULL;
1926 int count; /* returns number of processes */
1928 process_entry_t pse;
1932 /* Open the kvm interface, get a descriptor */
1933 kd = kvm_openfiles(NULL, "/dev/null", NULL, 0, errbuf);
1935 ERROR("processes plugin: Cannot open kvm interface: %s", errbuf);
1939 /* Get the list of processes. */
1940 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1941 if (procs == NULL) {
1942 ERROR("processes plugin: Cannot get kvm processes list: %s",
1948 /* Iterate through the processes in kinfo_proc */
1949 for (int i = 0; i < count; i++) {
1950 /* Create only one process list entry per _process_, i.e.
1951 * filter out threads (duplicate PID entries). */
1952 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) {
1953 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1954 _Bool have_cmdline = 0;
1956 proc_ptr = &(procs[i]);
1957 /* Don't probe system processes and processes without arguments */
1958 if (((procs[i].ki_flag & P_SYSTEM) == 0) && (procs[i].ki_args != NULL)) {
1963 /* retrieve the arguments */
1964 argv = kvm_getargv(kd, proc_ptr, /* nchr = */ 0);
1966 if ((argv != NULL) && (argv[0] != NULL)) {
1967 while (argv[argc] != NULL)
1970 status = strjoin(cmdline, sizeof(cmdline), argv, argc, " ");
1972 WARNING("processes plugin: Command line did not fit into buffer.");
1976 } /* if (process has argument list) */
1978 memset(&pse, 0, sizeof(pse));
1979 pse.id = procs[i].ki_pid;
1982 pse.num_lwp = procs[i].ki_numthreads;
1984 pse.vmem_size = procs[i].ki_size;
1985 pse.vmem_rss = procs[i].ki_rssize * pagesize;
1986 pse.vmem_data = procs[i].ki_dsize * pagesize;
1987 pse.vmem_code = procs[i].ki_tsize * pagesize;
1988 pse.stack_size = procs[i].ki_ssize * pagesize;
1989 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1990 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1992 pse.cpu_user_counter = 0;
1993 pse.cpu_system_counter = 0;
1995 * The u-area might be swapped out, and we can't get
1996 * at it because we have a crashdump and no swap.
1997 * If it's here fill in these fields, otherwise, just
2000 if (procs[i].ki_flag & P_INMEM) {
2001 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec +
2002 (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
2003 pse.cpu_system_counter =
2004 procs[i].ki_rusage.ru_stime.tv_usec +
2005 (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
2016 /* file descriptor count not implemented */
2019 /* Number of memory mappings */
2022 /* context switch counters not implemented */
2023 pse.cswitch_vol = -1;
2024 pse.cswitch_invol = -1;
2026 ps_list_add(procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
2028 switch (procs[i].ki_stat) {
2051 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
2056 ps_submit_state("running", running);
2057 ps_submit_state("sleeping", sleeping);
2058 ps_submit_state("zombies", zombies);
2059 ps_submit_state("stopped", stopped);
2060 ps_submit_state("blocked", blocked);
2061 ps_submit_state("idle", idle);
2062 ps_submit_state("wait", wait);
2064 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2065 ps_submit_proc_list(ps_ptr);
2066 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
2068 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD
2079 struct kinfo_proc *procs; /* array of processes */
2080 struct kinfo_proc *proc_ptr = NULL;
2081 int count; /* returns number of processes */
2083 process_entry_t pse;
2087 /* Open the kvm interface, get a descriptor */
2088 kd = kvm_openfiles(NULL, NULL, NULL, KVM_NO_FILES, errbuf);
2090 ERROR("processes plugin: Cannot open kvm interface: %s", errbuf);
2094 /* Get the list of processes. */
2095 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
2096 if (procs == NULL) {
2097 ERROR("processes plugin: Cannot get kvm processes list: %s",
2103 /* Iterate through the processes in kinfo_proc */
2104 for (int i = 0; i < count; i++) {
2105 /* Create only one process list entry per _process_, i.e.
2106 * filter out threads (duplicate PID entries). */
2107 if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) {
2108 char cmdline[CMDLINE_BUFFER_SIZE] = "";
2109 _Bool have_cmdline = 0;
2111 proc_ptr = &(procs[i]);
2112 /* Don't probe zombie processes */
2113 if (!P_ZOMBIE(proc_ptr)) {
2118 /* retrieve the arguments */
2119 argv = kvm_getargv(kd, proc_ptr, /* nchr = */ 0);
2121 if ((argv != NULL) && (argv[0] != NULL)) {
2122 while (argv[argc] != NULL)
2125 status = strjoin(cmdline, sizeof(cmdline), argv, argc, " ");
2127 WARNING("processes plugin: Command line did not fit into buffer.");
2131 } /* if (process has argument list) */
2133 memset(&pse, 0, sizeof(pse));
2134 pse.id = procs[i].p_pid;
2137 pse.num_lwp = 1; /* XXX: accumulate p_tid values for a single p_pid ? */
2139 pse.vmem_rss = procs[i].p_vm_rssize * pagesize;
2140 pse.vmem_data = procs[i].p_vm_dsize * pagesize;
2141 pse.vmem_code = procs[i].p_vm_tsize * pagesize;
2142 pse.stack_size = procs[i].p_vm_ssize * pagesize;
2143 pse.vmem_size = pse.stack_size + pse.vmem_code + pse.vmem_data;
2144 pse.vmem_minflt_counter = procs[i].p_uru_minflt;
2145 pse.vmem_majflt_counter = procs[i].p_uru_majflt;
2147 pse.cpu_user_counter =
2148 procs[i].p_uutime_usec + (1000000lu * procs[i].p_uutime_sec);
2149 pse.cpu_system_counter =
2150 procs[i].p_ustime_usec + (1000000lu * procs[i].p_ustime_sec);
2160 /* file descriptor count not implemented */
2163 /* Number of memory mappings */
2166 /* context switch counters not implemented */
2167 pse.cswitch_vol = -1;
2168 pse.cswitch_invol = -1;
2170 ps_list_add(procs[i].p_comm, have_cmdline ? cmdline : NULL, &pse);
2172 switch (procs[i].p_stat) {
2195 } /* if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) */
2200 ps_submit_state("running", running);
2201 ps_submit_state("sleeping", sleeping);
2202 ps_submit_state("zombies", zombies);
2203 ps_submit_state("stopped", stopped);
2204 ps_submit_state("onproc", onproc);
2205 ps_submit_state("idle", idle);
2206 ps_submit_state("dead", dead);
2208 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2209 ps_submit_proc_list(ps_ptr);
2210 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD */
2212 #elif HAVE_PROCINFO_H
2224 process_entry_t pse;
2227 while ((nprocs = getprocs64(procentry, sizeof(struct procentry64),
2228 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
2229 &pindex, MAXPROCENTRY)) > 0) {
2230 for (int i = 0; i < nprocs; i++) {
2233 char arglist[MAXARGLN + 1];
2237 if (procentry[i].pi_state == SNONE)
2239 /* if (procentry[i].pi_state == SZOMB) FIXME */
2241 cmdline = procentry[i].pi_comm;
2242 cargs = procentry[i].pi_comm;
2243 if (procentry[i].pi_flags & SKPROC) {
2244 if (procentry[i].pi_pid == 0)
2245 cmdline = "swapper";
2248 if (getargs(&procentry[i], sizeof(struct procentry64), arglist,
2253 while (++n < MAXARGLN) {
2254 if (arglist[n] == '\0') {
2255 if (arglist[n + 1] == '\0')
2264 memset(&pse, 0, sizeof(pse));
2266 pse.id = procentry[i].pi_pid;
2267 pse.num_lwp = procentry[i].pi_thcount;
2271 while ((nthreads = getthrds64(procentry[i].pi_pid, thrdentry,
2272 sizeof(struct thrdentry64), &thindex,
2273 MAXTHRDENTRY)) > 0) {
2276 for (j = 0; j < nthreads; j++) {
2277 switch (thrdentry[j].ti_state) {
2278 /* case TSNONE: break; */
2281 break; /* FIXME is really blocked */
2299 if (nthreads < MAXTHRDENTRY)
2303 /* tv_usec is nanosec ??? */
2304 pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2305 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2307 /* tv_usec is nanosec ??? */
2308 pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2309 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2311 pse.vmem_minflt_counter = procentry[i].pi_minflt;
2312 pse.vmem_majflt_counter = procentry[i].pi_majflt;
2314 pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2315 pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2316 /* Not supported/implemented */
2331 pse.cswitch_vol = -1;
2332 pse.cswitch_invol = -1;
2334 ps_list_add(cmdline, cargs, &pse);
2335 } /* for (i = 0 .. nprocs) */
2337 if (nprocs < MAXPROCENTRY)
2339 } /* while (getprocs64() > 0) */
2340 ps_submit_state("running", running);
2341 ps_submit_state("sleeping", sleeping);
2342 ps_submit_state("zombies", zombies);
2343 ps_submit_state("stopped", stopped);
2344 ps_submit_state("paging", paging);
2345 ps_submit_state("blocked", blocked);
2347 for (procstat_t *ps = list_head_g; ps != NULL; ps = ps->next)
2348 ps_submit_proc_list(ps);
2349 /* #endif HAVE_PROCINFO_H */
2351 #elif KERNEL_SOLARIS
2353 * The Solaris section adds a few more process states and removes some
2354 * process states compared to linux. Most notably there is no "PAGING"
2355 * and "BLOCKED" state for a process. The rest is similar to the linux
2373 char cmdline[PRARGSZ];
2377 proc = opendir("/proc");
2381 while ((ent = readdir(proc)) != NULL) {
2383 process_entry_t pse;
2386 if (!isdigit((int)ent->d_name[0]))
2389 pid = strtol(ent->d_name, &endptr, 10);
2390 if (*endptr != 0) /* value didn't completely parse as a number */
2393 memset(&pse, 0, sizeof(pse));
2396 status = ps_read_process(pid, &pse, &state);
2398 DEBUG("ps_read_process failed: %i", status);
2429 ps_list_add(pse.name,
2430 ps_get_cmdline(pid, pse.name, cmdline, sizeof(cmdline)), &pse);
2431 } /* while(readdir) */
2434 ps_submit_state("running", running);
2435 ps_submit_state("sleeping", sleeping);
2436 ps_submit_state("zombies", zombies);
2437 ps_submit_state("stopped", stopped);
2438 ps_submit_state("detached", detached);
2439 ps_submit_state("daemon", daemon);
2440 ps_submit_state("system", system);
2441 ps_submit_state("orphan", orphan);
2443 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2444 ps_submit_proc_list(ps_ptr);
2447 #endif /* KERNEL_SOLARIS */
2454 void module_register(void) {
2455 plugin_register_complex_config("processes", ps_config);
2456 plugin_register_init("processes", ps_init);
2457 plugin_register_read("processes", ps_read);
2458 } /* void module_register */