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 %zu character limit "
606 "to process names. The `Process \"%s\"' option will "
607 "not work as expected.",
608 max_procname_len, c->values[0].value.string);
612 ps = ps_list_register(c->values[0].value.string, NULL);
614 if (c->children_num != 0 && ps != NULL)
615 ps_tune_instance(c, ps);
616 } else if (strcasecmp(c->key, "ProcessMatch") == 0) {
617 if ((c->values_num != 2) || (OCONFIG_TYPE_STRING != c->values[0].type) ||
618 (OCONFIG_TYPE_STRING != c->values[1].type)) {
619 ERROR("processes plugin: `ProcessMatch' needs exactly "
620 "two string arguments (got %i).",
625 ps = ps_list_register(c->values[0].value.string,
626 c->values[1].value.string);
628 if (c->children_num != 0 && ps != NULL)
629 ps_tune_instance(c, ps);
630 } else if (strcasecmp(c->key, "CollectContextSwitch") == 0) {
631 cf_util_get_boolean(c, &report_ctx_switch);
632 } else if (strcasecmp(c->key, "CollectFileDescriptor") == 0) {
633 cf_util_get_boolean(c, &report_fd_num);
634 } else if (strcasecmp(c->key, "CollectMemoryMaps") == 0) {
635 cf_util_get_boolean(c, &report_maps_num);
637 ERROR("processes plugin: The `%s' configuration option is not "
638 "understood and will be ignored.",
647 static int ps_init(void) {
649 kern_return_t status;
651 port_host_self = mach_host_self();
652 port_task_self = mach_task_self();
654 if (pset_list != NULL) {
655 vm_deallocate(port_task_self, (vm_address_t)pset_list,
656 pset_list_len * sizeof(processor_set_t));
661 if ((status = host_processor_sets(port_host_self, &pset_list,
662 &pset_list_len)) != KERN_SUCCESS) {
663 ERROR("host_processor_sets failed: %s\n", mach_error_string(status));
668 /* #endif HAVE_THREAD_INFO */
671 pagesize_g = sysconf(_SC_PAGESIZE);
672 DEBUG("pagesize_g = %li; CONFIG_HZ = %i;", pagesize_g, CONFIG_HZ);
673 /* #endif KERNEL_LINUX */
675 #elif HAVE_LIBKVM_GETPROCS && \
676 (HAVE_STRUCT_KINFO_PROC_FREEBSD || HAVE_STRUCT_KINFO_PROC_OPENBSD)
677 pagesize = getpagesize();
678 /* #endif HAVE_LIBKVM_GETPROCS && (HAVE_STRUCT_KINFO_PROC_FREEBSD ||
679 * HAVE_STRUCT_KINFO_PROC_OPENBSD) */
681 #elif HAVE_PROCINFO_H
682 pagesize = getpagesize();
683 #endif /* HAVE_PROCINFO_H */
688 /* submit global state (e.g.: qty of zombies, running, etc..) */
689 static void ps_submit_state(const char *state, double value) {
690 value_list_t vl = VALUE_LIST_INIT;
692 vl.values = &(value_t){.gauge = value};
694 sstrncpy(vl.plugin, "processes", sizeof(vl.plugin));
695 sstrncpy(vl.plugin_instance, "", sizeof(vl.plugin_instance));
696 sstrncpy(vl.type, "ps_state", sizeof(vl.type));
697 sstrncpy(vl.type_instance, state, sizeof(vl.type_instance));
699 plugin_dispatch_values(&vl);
702 /* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
703 static void ps_submit_proc_list(procstat_t *ps) {
704 value_list_t vl = VALUE_LIST_INIT;
708 sstrncpy(vl.plugin, "processes", sizeof(vl.plugin));
709 sstrncpy(vl.plugin_instance, ps->name, sizeof(vl.plugin_instance));
711 sstrncpy(vl.type, "ps_vm", sizeof(vl.type));
712 vl.values[0].gauge = ps->vmem_size;
714 plugin_dispatch_values(&vl);
716 sstrncpy(vl.type, "ps_rss", sizeof(vl.type));
717 vl.values[0].gauge = ps->vmem_rss;
719 plugin_dispatch_values(&vl);
721 sstrncpy(vl.type, "ps_data", sizeof(vl.type));
722 vl.values[0].gauge = ps->vmem_data;
724 plugin_dispatch_values(&vl);
726 sstrncpy(vl.type, "ps_code", sizeof(vl.type));
727 vl.values[0].gauge = ps->vmem_code;
729 plugin_dispatch_values(&vl);
731 sstrncpy(vl.type, "ps_stacksize", sizeof(vl.type));
732 vl.values[0].gauge = ps->stack_size;
734 plugin_dispatch_values(&vl);
736 sstrncpy(vl.type, "ps_cputime", sizeof(vl.type));
737 vl.values[0].derive = ps->cpu_user_counter;
738 vl.values[1].derive = ps->cpu_system_counter;
740 plugin_dispatch_values(&vl);
742 sstrncpy(vl.type, "ps_count", sizeof(vl.type));
743 vl.values[0].gauge = ps->num_proc;
744 vl.values[1].gauge = ps->num_lwp;
746 plugin_dispatch_values(&vl);
748 sstrncpy(vl.type, "ps_pagefaults", sizeof(vl.type));
749 vl.values[0].derive = ps->vmem_minflt_counter;
750 vl.values[1].derive = ps->vmem_majflt_counter;
752 plugin_dispatch_values(&vl);
754 if ((ps->io_rchar != -1) && (ps->io_wchar != -1)) {
755 sstrncpy(vl.type, "io_octets", sizeof(vl.type));
756 vl.values[0].derive = ps->io_rchar;
757 vl.values[1].derive = ps->io_wchar;
759 plugin_dispatch_values(&vl);
762 if ((ps->io_syscr != -1) && (ps->io_syscw != -1)) {
763 sstrncpy(vl.type, "io_ops", sizeof(vl.type));
764 vl.values[0].derive = ps->io_syscr;
765 vl.values[1].derive = ps->io_syscw;
767 plugin_dispatch_values(&vl);
770 if ((ps->io_diskr != -1) && (ps->io_diskw != -1)) {
771 sstrncpy(vl.type, "disk_octets", sizeof(vl.type));
772 vl.values[0].derive = ps->io_diskr;
773 vl.values[1].derive = ps->io_diskw;
775 plugin_dispatch_values(&vl);
778 if (ps->num_fd > 0) {
779 sstrncpy(vl.type, "file_handles", sizeof(vl.type));
780 vl.values[0].gauge = ps->num_fd;
782 plugin_dispatch_values(&vl);
785 if (ps->num_maps > 0) {
786 sstrncpy(vl.type, "file_handles", sizeof(vl.type));
787 sstrncpy(vl.type_instance, "mapped", sizeof(vl.type_instance));
788 vl.values[0].gauge = ps->num_maps;
790 plugin_dispatch_values(&vl);
793 if ((ps->cswitch_vol != -1) && (ps->cswitch_invol != -1)) {
794 sstrncpy(vl.type, "contextswitch", sizeof(vl.type));
795 sstrncpy(vl.type_instance, "voluntary", sizeof(vl.type_instance));
796 vl.values[0].derive = ps->cswitch_vol;
798 plugin_dispatch_values(&vl);
800 sstrncpy(vl.type, "contextswitch", sizeof(vl.type));
801 sstrncpy(vl.type_instance, "involuntary", sizeof(vl.type_instance));
802 vl.values[0].derive = ps->cswitch_invol;
804 plugin_dispatch_values(&vl);
808 "name = %s; num_proc = %lu; num_lwp = %lu; num_fd = %lu; num_maps = %lu; "
809 "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
811 "vmem_minflt_counter = %" PRIi64 "; vmem_majflt_counter = %" PRIi64 "; "
812 "cpu_user_counter = %" PRIi64 "; cpu_system_counter = %" PRIi64 "; "
813 "io_rchar = %" PRIi64 "; io_wchar = %" PRIi64 "; "
814 "io_syscr = %" PRIi64 "; io_syscw = %" PRIi64 "; "
815 "io_diskr = %" PRIi64 "; io_diskw = %" PRIi64 "; "
816 "cswitch_vol = %" PRIi64 "; cswitch_invol = %" PRIi64 ";",
817 ps->name, ps->num_proc, ps->num_lwp, ps->num_fd, ps->num_maps,
818 ps->vmem_size, ps->vmem_rss, ps->vmem_data, ps->vmem_code,
819 ps->vmem_minflt_counter, ps->vmem_majflt_counter, ps->cpu_user_counter,
820 ps->cpu_system_counter, ps->io_rchar, ps->io_wchar, ps->io_syscr,
821 ps->io_syscw, ps->io_diskr, ps->io_diskw, ps->cswitch_vol,
824 } /* void ps_submit_proc_list */
826 #if KERNEL_LINUX || KERNEL_SOLARIS
827 static void ps_submit_fork_rate(derive_t value) {
828 value_list_t vl = VALUE_LIST_INIT;
830 vl.values = &(value_t){.derive = value};
832 sstrncpy(vl.plugin, "processes", sizeof(vl.plugin));
833 sstrncpy(vl.plugin_instance, "", sizeof(vl.plugin_instance));
834 sstrncpy(vl.type, "fork_rate", sizeof(vl.type));
835 sstrncpy(vl.type_instance, "", sizeof(vl.type_instance));
837 plugin_dispatch_values(&vl);
839 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
841 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
843 static int ps_read_tasks_status(process_entry_t *ps) {
849 derive_t cswitch_vol = 0;
850 derive_t cswitch_invol = 0;
855 snprintf(dirname, sizeof(dirname), "/proc/%li/task", ps->id);
857 if ((dh = opendir(dirname)) == NULL) {
858 DEBUG("Failed to open directory `%s'", dirname);
862 while ((ent = readdir(dh)) != NULL) {
865 if (!isdigit((int)ent->d_name[0]))
870 if (snprintf(filename, sizeof(filename), "/proc/%li/task/%s/status", ps->id,
871 tpid) >= sizeof(filename)) {
872 DEBUG("Filename too long: `%s'", filename);
876 if ((fh = fopen(filename, "r")) == NULL) {
877 DEBUG("Failed to open file `%s'", filename);
881 while (fgets(buffer, sizeof(buffer), fh) != NULL) {
885 if (strncmp(buffer, "voluntary_ctxt_switches", 23) != 0 &&
886 strncmp(buffer, "nonvoluntary_ctxt_switches", 26) != 0)
889 numfields = strsplit(buffer, fields, STATIC_ARRAY_SIZE(fields));
896 tmp = (derive_t)strtoll(fields[1], &endptr, /* base = */ 10);
897 if ((errno == 0) && (endptr != fields[1])) {
898 if (strncmp(buffer, "voluntary_ctxt_switches", 23) == 0) {
900 } else if (strncmp(buffer, "nonvoluntary_ctxt_switches", 26) == 0) {
901 cswitch_invol += tmp;
904 } /* while (fgets) */
907 WARNING("processes: fclose: %s", STRERRNO);
912 ps->cswitch_vol = cswitch_vol;
913 ps->cswitch_invol = cswitch_invol;
916 } /* int *ps_read_tasks_status */
918 /* Read data from /proc/pid/status */
919 static int ps_read_status(long pid, process_entry_t *ps) {
923 unsigned long lib = 0;
924 unsigned long exe = 0;
925 unsigned long data = 0;
926 unsigned long threads = 0;
930 snprintf(filename, sizeof(filename), "/proc/%li/status", pid);
931 if ((fh = fopen(filename, "r")) == NULL)
934 while (fgets(buffer, sizeof(buffer), fh) != NULL) {
938 if (strncmp(buffer, "Vm", 2) != 0 && strncmp(buffer, "Threads", 7) != 0)
941 numfields = strsplit(buffer, fields, STATIC_ARRAY_SIZE(fields));
948 tmp = strtoul(fields[1], &endptr, /* base = */ 10);
949 if ((errno == 0) && (endptr != fields[1])) {
950 if (strncmp(buffer, "VmData", 6) == 0) {
952 } else if (strncmp(buffer, "VmLib", 5) == 0) {
954 } else if (strncmp(buffer, "VmExe", 5) == 0) {
956 } else if (strncmp(buffer, "Threads", 7) == 0) {
960 } /* while (fgets) */
963 WARNING("processes: fclose: %s", STRERRNO);
966 ps->vmem_data = data * 1024;
967 ps->vmem_code = (exe + lib) * 1024;
969 ps->num_lwp = threads;
972 } /* int *ps_read_status */
974 static int ps_read_io(process_entry_t *ps) {
982 snprintf(filename, sizeof(filename), "/proc/%li/io", ps->id);
983 if ((fh = fopen(filename, "r")) == NULL) {
984 DEBUG("ps_read_io: Failed to open file `%s'", filename);
988 while (fgets(buffer, sizeof(buffer), fh) != NULL) {
989 derive_t *val = NULL;
993 if (strncasecmp(buffer, "rchar:", 6) == 0)
994 val = &(ps->io_rchar);
995 else if (strncasecmp(buffer, "wchar:", 6) == 0)
996 val = &(ps->io_wchar);
997 else if (strncasecmp(buffer, "syscr:", 6) == 0)
998 val = &(ps->io_syscr);
999 else if (strncasecmp(buffer, "syscw:", 6) == 0)
1000 val = &(ps->io_syscw);
1001 else if (strncasecmp(buffer, "read_bytes:", 11) == 0)
1002 val = &(ps->io_diskr);
1003 else if (strncasecmp(buffer, "write_bytes:", 12) == 0)
1004 val = &(ps->io_diskw);
1008 numfields = strsplit(buffer, fields, STATIC_ARRAY_SIZE(fields));
1015 tmp = strtoll(fields[1], &endptr, /* base = */ 10);
1016 if ((errno != 0) || (endptr == fields[1]))
1019 *val = (derive_t)tmp;
1020 } /* while (fgets) */
1023 WARNING("processes: fclose: %s", STRERRNO);
1026 } /* int ps_read_io (...) */
1028 static int ps_count_maps(pid_t pid) {
1034 snprintf(filename, sizeof(filename), "/proc/%d/maps", pid);
1035 if ((fh = fopen(filename, "r")) == NULL) {
1036 DEBUG("ps_count_maps: Failed to open file `%s'", filename);
1040 while (fgets(buffer, sizeof(buffer), fh) != NULL) {
1041 if (strchr(buffer, '\n')) {
1044 } /* while (fgets) */
1047 WARNING("processes: fclose: %s", STRERRNO);
1050 } /* int ps_count_maps (...) */
1052 static int ps_count_fd(int pid) {
1058 snprintf(dirname, sizeof(dirname), "/proc/%i/fd", pid);
1060 if ((dh = opendir(dirname)) == NULL) {
1061 DEBUG("Failed to open directory `%s'", dirname);
1064 while ((ent = readdir(dh)) != NULL) {
1065 if (!isdigit((int)ent->d_name[0]))
1072 return (count >= 1) ? count : 1;
1073 } /* int ps_count_fd (pid) */
1075 static void ps_fill_details(const procstat_t *ps, process_entry_t *entry) {
1076 if (entry->has_io == 0) {
1081 if (ps->report_ctx_switch) {
1082 if (entry->has_cswitch == 0) {
1083 ps_read_tasks_status(entry);
1084 entry->has_cswitch = 1;
1088 if (ps->report_maps_num) {
1090 if (entry->has_maps == 0 && (num_maps = ps_count_maps(entry->id)) > 0) {
1091 entry->num_maps = num_maps;
1093 entry->has_maps = 1;
1096 if (ps->report_fd_num) {
1098 if (entry->has_fd == 0 && (num_fd = ps_count_fd(entry->id)) > 0) {
1099 entry->num_fd = num_fd;
1103 } /* void ps_fill_details (...) */
1105 static int ps_read_process(long pid, process_entry_t *ps, char *state) {
1115 size_t name_start_pos;
1116 size_t name_end_pos;
1119 derive_t cpu_user_counter;
1120 derive_t cpu_system_counter;
1121 long long unsigned vmem_size;
1122 long long unsigned vmem_rss;
1123 long long unsigned stack_size;
1127 snprintf(filename, sizeof(filename), "/proc/%li/stat", pid);
1129 status = read_file_contents(filename, buffer, sizeof(buffer) - 1);
1132 buffer_len = (size_t)status;
1133 buffer[buffer_len] = 0;
1135 /* The name of the process is enclosed in parens. Since the name can
1136 * contain parens itself, spaces, numbers and pretty much everything
1137 * else, use these to determine the process name. We don't use
1138 * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
1139 * otherwise be required to determine name_len. */
1141 while (name_start_pos < buffer_len && buffer[name_start_pos] != '(')
1144 name_end_pos = buffer_len;
1145 while (name_end_pos > 0 && buffer[name_end_pos] != ')')
1148 /* Either '(' or ')' is not found or they are in the wrong order.
1149 * Anyway, something weird that shouldn't happen ever. */
1150 if (name_start_pos >= name_end_pos) {
1151 ERROR("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
1152 name_start_pos, name_end_pos);
1156 name_len = (name_end_pos - name_start_pos) - 1;
1157 if (name_len >= sizeof(ps->name))
1158 name_len = sizeof(ps->name) - 1;
1160 sstrncpy(ps->name, &buffer[name_start_pos + 1], name_len + 1);
1162 if ((buffer_len - name_end_pos) < 2)
1164 buffer_ptr = &buffer[name_end_pos + 2];
1166 fields_len = strsplit(buffer_ptr, fields, STATIC_ARRAY_SIZE(fields));
1167 if (fields_len < 22) {
1168 DEBUG("processes plugin: ps_read_process (pid = %li):"
1169 " `%s' has only %i fields..",
1170 pid, filename, fields_len);
1174 *state = fields[0][0];
1176 if (*state == 'Z') {
1180 ps->num_lwp = strtoul(fields[17], /* endptr = */ NULL, /* base = */ 10);
1181 if ((ps_read_status(pid, ps)) != 0) {
1185 DEBUG("ps_read_process: did not get vmem data for pid %li", pid);
1187 if (ps->num_lwp == 0)
1192 /* Leave the rest at zero if this is only a zombi */
1193 if (ps->num_proc == 0) {
1194 DEBUG("processes plugin: This is only a zombie: pid = %li; "
1200 cpu_user_counter = atoll(fields[11]);
1201 cpu_system_counter = atoll(fields[12]);
1202 vmem_size = atoll(fields[20]);
1203 vmem_rss = atoll(fields[21]);
1204 ps->vmem_minflt_counter = atol(fields[7]);
1205 ps->vmem_majflt_counter = atol(fields[9]);
1208 unsigned long long stack_start = atoll(fields[25]);
1209 unsigned long long stack_ptr = atoll(fields[26]);
1211 stack_size = (stack_start > stack_ptr) ? stack_start - stack_ptr
1212 : stack_ptr - stack_start;
1215 /* Convert jiffies to useconds */
1216 cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
1217 cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
1218 vmem_rss = vmem_rss * pagesize_g;
1220 ps->cpu_user_counter = cpu_user_counter;
1221 ps->cpu_system_counter = cpu_system_counter;
1222 ps->vmem_size = (unsigned long)vmem_size;
1223 ps->vmem_rss = (unsigned long)vmem_rss;
1224 ps->stack_size = (unsigned long)stack_size;
1226 /* no data by default. May be filled by ps_fill_details () */
1234 ps->cswitch_vol = -1;
1235 ps->cswitch_invol = -1;
1239 } /* int ps_read_process (...) */
1241 static char *ps_get_cmdline(long pid, char *name, char *buf, size_t buf_len) {
1245 char file[PATH_MAX];
1250 if ((pid < 1) || (NULL == buf) || (buf_len < 2))
1253 snprintf(file, sizeof(file), "/proc/%li/cmdline", pid);
1256 fd = open(file, O_RDONLY);
1258 /* ENOENT means the process exited while we were handling it.
1259 * Don't complain about this, it only fills the logs. */
1260 if (errno != ENOENT)
1261 WARNING("processes plugin: Failed to open `%s': %s.", file, STRERRNO);
1273 status = read(fd, (void *)buf_ptr, len);
1277 if ((EAGAIN == errno) || (EINTR == errno))
1280 WARNING("processes plugin: Failed to read from `%s': %s.", file,
1301 /* cmdline not available; e.g. kernel thread, zombie */
1305 snprintf(buf, buf_len, "[%s]", name);
1309 assert(n <= buf_len);
1316 /* remove trailing whitespace */
1317 while ((n > 0) && (isspace(buf[n]) || ('\0' == buf[n]))) {
1322 /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1329 } /* char *ps_get_cmdline (...) */
1331 static int read_fork_rate(void) {
1335 _Bool value_valid = 0;
1337 proc_stat = fopen("/proc/stat", "r");
1338 if (proc_stat == NULL) {
1339 ERROR("processes plugin: fopen (/proc/stat) failed: %s", STRERRNO);
1343 while (fgets(buffer, sizeof(buffer), proc_stat) != NULL) {
1348 fields_num = strsplit(buffer, fields, STATIC_ARRAY_SIZE(fields));
1349 if (fields_num != 2)
1352 if (strcmp("processes", fields[0]) != 0)
1355 status = parse_value(fields[1], &value, DS_TYPE_DERIVE);
1366 ps_submit_fork_rate(value.derive);
1369 #endif /*KERNEL_LINUX */
1372 static char *ps_get_cmdline(long pid,
1373 char *name __attribute__((unused)), /* {{{ */
1374 char *buffer, size_t buffer_size) {
1375 char path[PATH_MAX];
1379 snprintf(path, sizeof(path), "/proc/%li/psinfo", pid);
1381 status = read_file_contents(path, (void *)&info, sizeof(info));
1382 if ((status < 0) || (((size_t)status) != sizeof(info))) {
1383 ERROR("processes plugin: Unexpected return value "
1384 "while reading \"%s\": "
1385 "Returned %zd but expected %zu.",
1386 path, status, buffer_size);
1390 info.pr_psargs[sizeof(info.pr_psargs) - 1] = 0;
1391 sstrncpy(buffer, info.pr_psargs, buffer_size);
1394 } /* }}} int ps_get_cmdline */
1397 * Reads process information on the Solaris OS. The information comes mainly
1399 * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1400 * The values for input and ouput chars are calculated "by hand"
1401 * Added a few "solaris" specific process states as well
1403 static int ps_read_process(long pid, process_entry_t *ps, char *state) {
1405 char f_psinfo[64], f_usage[64];
1408 pstatus_t *myStatus;
1412 snprintf(filename, sizeof(filename), "/proc/%li/status", pid);
1413 snprintf(f_psinfo, sizeof(f_psinfo), "/proc/%li/psinfo", pid);
1414 snprintf(f_usage, sizeof(f_usage), "/proc/%li/usage", pid);
1416 buffer = calloc(1, sizeof(pstatus_t));
1417 read_file_contents(filename, buffer, sizeof(pstatus_t));
1418 myStatus = (pstatus_t *)buffer;
1420 buffer = calloc(1, sizeof(psinfo_t));
1421 read_file_contents(f_psinfo, buffer, sizeof(psinfo_t));
1422 myInfo = (psinfo_t *)buffer;
1424 buffer = calloc(1, sizeof(prusage_t));
1425 read_file_contents(f_usage, buffer, sizeof(prusage_t));
1426 myUsage = (prusage_t *)buffer;
1428 sstrncpy(ps->name, myInfo->pr_fname, sizeof(myInfo->pr_fname));
1429 ps->num_lwp = myStatus->pr_nlwp;
1430 if (myInfo->pr_wstat != 0) {
1441 ps->num_lwp = myInfo->pr_nlwp;
1445 * Convert system time and user time from nanoseconds to microseconds
1446 * for compatibility with the linux module
1448 ps->cpu_system_counter = myStatus->pr_stime.tv_nsec / 1000;
1449 ps->cpu_user_counter = myStatus->pr_utime.tv_nsec / 1000;
1452 * Convert rssize from KB to bytes to be consistent w/ the linux module
1454 ps->vmem_rss = myInfo->pr_rssize * 1024;
1455 ps->vmem_size = myInfo->pr_size * 1024;
1456 ps->vmem_minflt_counter = myUsage->pr_minf;
1457 ps->vmem_majflt_counter = myUsage->pr_majf;
1460 * TODO: Data and code segment calculations for Solaris
1465 ps->stack_size = myStatus->pr_stksize;
1468 * TODO: File descriptor count for Solaris
1472 /* Number of memory mappings */
1476 * Calculating input/ouput chars
1477 * Formula used is total chars / total blocks => chars/block
1478 * then convert input/output blocks to chars
1480 ulong_t tot_chars = myUsage->pr_ioch;
1481 ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1482 ulong_t chars_per_block = 1;
1483 if (tot_blocks != 0)
1484 chars_per_block = tot_chars / tot_blocks;
1485 ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1486 ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1487 ps->io_syscr = myUsage->pr_sysc;
1488 ps->io_syscw = myUsage->pr_sysc;
1493 * TODO: context switch counters for Solaris
1495 ps->cswitch_vol = -1;
1496 ps->cswitch_invol = -1;
1499 * TODO: Find way of setting BLOCKED and PAGING status
1503 if (myStatus->pr_flags & PR_ASLEEP)
1505 else if (myStatus->pr_flags & PR_STOPPED)
1507 else if (myStatus->pr_flags & PR_DETACH)
1509 else if (myStatus->pr_flags & PR_DAEMON)
1511 else if (myStatus->pr_flags & PR_ISSYS)
1513 else if (myStatus->pr_flags & PR_ORPHAN)
1524 * Reads the number of threads created since the last reboot. On Solaris these
1525 * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1526 * The result is the sum for all the threads created on each cpu
1528 static int read_fork_rate(void) {
1529 extern kstat_ctl_t *kc;
1530 derive_t result = 0;
1535 for (kstat_t *ksp_chain = kc->kc_chain; ksp_chain != NULL;
1536 ksp_chain = ksp_chain->ks_next) {
1537 if ((strcmp(ksp_chain->ks_module, "cpu") == 0) &&
1538 (strcmp(ksp_chain->ks_name, "sys") == 0) &&
1539 (strcmp(ksp_chain->ks_class, "misc") == 0)) {
1542 kstat_read(kc, ksp_chain, NULL);
1544 tmp = get_kstat_value(ksp_chain, "nthreads");
1550 ps_submit_fork_rate(result);
1553 #endif /* KERNEL_SOLARIS */
1555 #if HAVE_THREAD_INFO
1556 static int mach_get_task_name(task_t t, int *pid, char *name,
1557 size_t name_max_len) {
1560 struct kinfo_proc kp;
1565 mib[2] = KERN_PROC_PID;
1567 if (pid_for_task(t, pid) != KERN_SUCCESS)
1571 kp_size = sizeof(kp);
1572 if (sysctl(mib, 4, &kp, &kp_size, NULL, 0) != 0)
1575 if (name_max_len > (MAXCOMLEN + 1))
1576 name_max_len = MAXCOMLEN + 1;
1578 strncpy(name, kp.kp_proc.p_comm, name_max_len - 1);
1579 name[name_max_len - 1] = '\0';
1581 DEBUG("pid = %i; name = %s;", *pid, name);
1583 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1584 * `top' does it, because it is a lot of work and only used when
1585 * debugging. -octo */
1589 #endif /* HAVE_THREAD_INFO */
1590 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO -------
1593 /* do actual readings from kernel */
1594 static int ps_read(void) {
1595 #if HAVE_THREAD_INFO
1596 kern_return_t status;
1598 processor_set_t port_pset_priv;
1600 task_array_t task_list;
1601 mach_msg_type_number_t task_list_len;
1604 char task_name[MAXCOMLEN + 1];
1606 thread_act_array_t thread_list;
1607 mach_msg_type_number_t thread_list_len;
1608 thread_basic_info_data_t thread_data;
1609 mach_msg_type_number_t thread_data_len;
1618 process_entry_t pse;
1623 * The Mach-concept is a little different from the traditional UNIX
1624 * concept: All the work is done in threads. Threads are contained in
1625 * `tasks'. Therefore, `task status' doesn't make much sense, since
1626 * it's actually a `thread status'.
1627 * Tasks are assigned to sets of processors, so that's where you go to
1630 for (mach_msg_type_number_t pset = 0; pset < pset_list_len; pset++) {
1631 if ((status = host_processor_set_priv(port_host_self, pset_list[pset],
1632 &port_pset_priv)) != KERN_SUCCESS) {
1633 ERROR("host_processor_set_priv failed: %s\n", mach_error_string(status));
1637 if ((status = processor_set_tasks(port_pset_priv, &task_list,
1638 &task_list_len)) != KERN_SUCCESS) {
1639 ERROR("processor_set_tasks failed: %s\n", mach_error_string(status));
1640 mach_port_deallocate(port_task_self, port_pset_priv);
1644 for (mach_msg_type_number_t task = 0; task < task_list_len; task++) {
1646 if (mach_get_task_name(task_list[task], &task_pid, task_name,
1647 PROCSTAT_NAME_LEN) == 0) {
1648 /* search for at least one match */
1649 for (ps = list_head_g; ps != NULL; ps = ps->next)
1650 /* FIXME: cmdline should be here instead of NULL */
1651 if (ps_list_match(task_name, NULL, ps) == 1)
1655 /* Collect more detailed statistics for this process */
1657 task_basic_info_data_t task_basic_info;
1658 mach_msg_type_number_t task_basic_info_len;
1659 task_events_info_data_t task_events_info;
1660 mach_msg_type_number_t task_events_info_len;
1661 task_absolutetime_info_data_t task_absolutetime_info;
1662 mach_msg_type_number_t task_absolutetime_info_len;
1664 memset(&pse, '\0', sizeof(pse));
1667 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1668 status = task_info(task_list[task], TASK_BASIC_INFO,
1669 (task_info_t)&task_basic_info, &task_basic_info_len);
1670 if (status != KERN_SUCCESS) {
1671 ERROR("task_info failed: %s", mach_error_string(status));
1672 continue; /* with next thread_list */
1675 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1677 task_info(task_list[task], TASK_EVENTS_INFO,
1678 (task_info_t)&task_events_info, &task_events_info_len);
1679 if (status != KERN_SUCCESS) {
1680 ERROR("task_info failed: %s", mach_error_string(status));
1681 continue; /* with next thread_list */
1684 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1685 status = task_info(task_list[task], TASK_ABSOLUTETIME_INFO,
1686 (task_info_t)&task_absolutetime_info,
1687 &task_absolutetime_info_len);
1688 if (status != KERN_SUCCESS) {
1689 ERROR("task_info failed: %s", mach_error_string(status));
1690 continue; /* with next thread_list */
1694 pse.vmem_size = task_basic_info.virtual_size;
1695 pse.vmem_rss = task_basic_info.resident_size;
1696 /* Does not seem to be easily exposed */
1707 /* File descriptor count not implemented */
1710 /* Number of memory mappings */
1713 pse.vmem_minflt_counter = task_events_info.cow_faults;
1714 pse.vmem_majflt_counter = task_events_info.faults;
1716 pse.cpu_user_counter = task_absolutetime_info.total_user;
1717 pse.cpu_system_counter = task_absolutetime_info.total_system;
1719 /* context switch counters not implemented */
1720 pse.cswitch_vol = -1;
1721 pse.cswitch_invol = -1;
1724 status = task_threads(task_list[task], &thread_list, &thread_list_len);
1725 if (status != KERN_SUCCESS) {
1726 /* Apple's `top' treats this case a zombie. It
1727 * makes sense to some extend: A `zombie'
1728 * thread is nonsense, since the task/process
1731 DEBUG("task_threads failed: %s", mach_error_string(status));
1732 if (task_list[task] != port_task_self)
1733 mach_port_deallocate(port_task_self, task_list[task]);
1734 continue; /* with next task_list */
1737 for (mach_msg_type_number_t thread = 0; thread < thread_list_len;
1739 thread_data_len = THREAD_BASIC_INFO_COUNT;
1740 status = thread_info(thread_list[thread], THREAD_BASIC_INFO,
1741 (thread_info_t)&thread_data, &thread_data_len);
1742 if (status != KERN_SUCCESS) {
1743 ERROR("thread_info failed: %s", mach_error_string(status));
1744 if (task_list[task] != port_task_self)
1745 mach_port_deallocate(port_task_self, thread_list[thread]);
1746 continue; /* with next thread_list */
1752 switch (thread_data.run_state) {
1753 case TH_STATE_RUNNING:
1756 case TH_STATE_STOPPED:
1757 /* What exactly is `halted'? */
1758 case TH_STATE_HALTED:
1761 case TH_STATE_WAITING:
1764 case TH_STATE_UNINTERRUPTIBLE:
1767 /* There is no `zombie' case here,
1768 * since there are no zombie-threads.
1769 * There's only zombie tasks, which are
1772 WARNING("Unknown thread status: %i", thread_data.run_state);
1774 } /* switch (thread_data.run_state) */
1776 if (task_list[task] != port_task_self) {
1777 status = mach_port_deallocate(port_task_self, thread_list[thread]);
1778 if (status != KERN_SUCCESS)
1779 ERROR("mach_port_deallocate failed: %s", mach_error_string(status));
1781 } /* for (thread_list) */
1783 if ((status = vm_deallocate(port_task_self, (vm_address_t)thread_list,
1784 thread_list_len * sizeof(thread_act_t))) !=
1786 ERROR("vm_deallocate failed: %s", mach_error_string(status));
1789 thread_list_len = 0;
1791 /* Only deallocate the task port, if it isn't our own.
1792 * Don't know what would happen in that case, but this
1793 * is what Apple's top does.. ;) */
1794 if (task_list[task] != port_task_self) {
1795 status = mach_port_deallocate(port_task_self, task_list[task]);
1796 if (status != KERN_SUCCESS)
1797 ERROR("mach_port_deallocate failed: %s", mach_error_string(status));
1801 /* FIXME: cmdline should be here instead of NULL */
1802 ps_list_add(task_name, NULL, &pse);
1803 } /* for (task_list) */
1805 if ((status = vm_deallocate(port_task_self, (vm_address_t)task_list,
1806 task_list_len * sizeof(task_t))) !=
1808 ERROR("vm_deallocate failed: %s", mach_error_string(status));
1813 if ((status = mach_port_deallocate(port_task_self, port_pset_priv)) !=
1815 ERROR("mach_port_deallocate failed: %s", mach_error_string(status));
1817 } /* for (pset_list) */
1819 ps_submit_state("running", running);
1820 ps_submit_state("sleeping", sleeping);
1821 ps_submit_state("zombies", zombies);
1822 ps_submit_state("stopped", stopped);
1823 ps_submit_state("blocked", blocked);
1825 for (ps = list_head_g; ps != NULL; ps = ps->next)
1826 ps_submit_proc_list(ps);
1827 /* #endif HAVE_THREAD_INFO */
1841 char cmdline[CMDLINE_BUFFER_SIZE];
1844 process_entry_t pse;
1847 running = sleeping = zombies = stopped = paging = blocked = 0;
1850 if ((proc = opendir("/proc")) == NULL) {
1851 ERROR("Cannot open `/proc': %s", STRERRNO);
1855 while ((ent = readdir(proc)) != NULL) {
1856 if (!isdigit(ent->d_name[0]))
1859 if ((pid = atol(ent->d_name)) < 1)
1862 memset(&pse, 0, sizeof(pse));
1865 status = ps_read_process(pid, &pse, &state);
1867 DEBUG("ps_read_process failed: %i", status);
1892 ps_list_add(pse.name,
1893 ps_get_cmdline(pid, pse.name, cmdline, sizeof(cmdline)), &pse);
1898 ps_submit_state("running", running);
1899 ps_submit_state("sleeping", sleeping);
1900 ps_submit_state("zombies", zombies);
1901 ps_submit_state("stopped", stopped);
1902 ps_submit_state("paging", paging);
1903 ps_submit_state("blocked", blocked);
1905 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1906 ps_submit_proc_list(ps_ptr);
1909 /* #endif KERNEL_LINUX */
1911 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1921 char errbuf[_POSIX2_LINE_MAX];
1922 struct kinfo_proc *procs; /* array of processes */
1923 struct kinfo_proc *proc_ptr = NULL;
1924 int count; /* returns number of processes */
1926 process_entry_t pse;
1930 /* Open the kvm interface, get a descriptor */
1931 kd = kvm_openfiles(NULL, "/dev/null", NULL, 0, errbuf);
1933 ERROR("processes plugin: Cannot open kvm interface: %s", errbuf);
1937 /* Get the list of processes. */
1938 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1939 if (procs == NULL) {
1940 ERROR("processes plugin: Cannot get kvm processes list: %s",
1946 /* Iterate through the processes in kinfo_proc */
1947 for (int i = 0; i < count; i++) {
1948 /* Create only one process list entry per _process_, i.e.
1949 * filter out threads (duplicate PID entries). */
1950 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) {
1951 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1952 _Bool have_cmdline = 0;
1954 proc_ptr = &(procs[i]);
1955 /* Don't probe system processes and processes without arguments */
1956 if (((procs[i].ki_flag & P_SYSTEM) == 0) && (procs[i].ki_args != NULL)) {
1961 /* retrieve the arguments */
1962 argv = kvm_getargv(kd, proc_ptr, /* nchr = */ 0);
1964 if ((argv != NULL) && (argv[0] != NULL)) {
1965 while (argv[argc] != NULL)
1968 status = strjoin(cmdline, sizeof(cmdline), argv, argc, " ");
1970 WARNING("processes plugin: Command line did not fit into buffer.");
1974 } /* if (process has argument list) */
1976 memset(&pse, 0, sizeof(pse));
1977 pse.id = procs[i].ki_pid;
1980 pse.num_lwp = procs[i].ki_numthreads;
1982 pse.vmem_size = procs[i].ki_size;
1983 pse.vmem_rss = procs[i].ki_rssize * pagesize;
1984 pse.vmem_data = procs[i].ki_dsize * pagesize;
1985 pse.vmem_code = procs[i].ki_tsize * pagesize;
1986 pse.stack_size = procs[i].ki_ssize * pagesize;
1987 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1988 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1990 pse.cpu_user_counter = 0;
1991 pse.cpu_system_counter = 0;
1993 * The u-area might be swapped out, and we can't get
1994 * at it because we have a crashdump and no swap.
1995 * If it's here fill in these fields, otherwise, just
1998 if (procs[i].ki_flag & P_INMEM) {
1999 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec +
2000 (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
2001 pse.cpu_system_counter =
2002 procs[i].ki_rusage.ru_stime.tv_usec +
2003 (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
2014 /* file descriptor count not implemented */
2017 /* Number of memory mappings */
2020 /* context switch counters not implemented */
2021 pse.cswitch_vol = -1;
2022 pse.cswitch_invol = -1;
2024 ps_list_add(procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
2026 switch (procs[i].ki_stat) {
2049 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
2054 ps_submit_state("running", running);
2055 ps_submit_state("sleeping", sleeping);
2056 ps_submit_state("zombies", zombies);
2057 ps_submit_state("stopped", stopped);
2058 ps_submit_state("blocked", blocked);
2059 ps_submit_state("idle", idle);
2060 ps_submit_state("wait", wait);
2062 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2063 ps_submit_proc_list(ps_ptr);
2064 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
2066 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD
2077 struct kinfo_proc *procs; /* array of processes */
2078 struct kinfo_proc *proc_ptr = NULL;
2079 int count; /* returns number of processes */
2081 process_entry_t pse;
2085 /* Open the kvm interface, get a descriptor */
2086 kd = kvm_openfiles(NULL, NULL, NULL, KVM_NO_FILES, errbuf);
2088 ERROR("processes plugin: Cannot open kvm interface: %s", errbuf);
2092 /* Get the list of processes. */
2093 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
2094 if (procs == NULL) {
2095 ERROR("processes plugin: Cannot get kvm processes list: %s",
2101 /* Iterate through the processes in kinfo_proc */
2102 for (int i = 0; i < count; i++) {
2103 /* Create only one process list entry per _process_, i.e.
2104 * filter out threads (duplicate PID entries). */
2105 if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) {
2106 char cmdline[CMDLINE_BUFFER_SIZE] = "";
2107 _Bool have_cmdline = 0;
2109 proc_ptr = &(procs[i]);
2110 /* Don't probe zombie processes */
2111 if (!P_ZOMBIE(proc_ptr)) {
2116 /* retrieve the arguments */
2117 argv = kvm_getargv(kd, proc_ptr, /* nchr = */ 0);
2119 if ((argv != NULL) && (argv[0] != NULL)) {
2120 while (argv[argc] != NULL)
2123 status = strjoin(cmdline, sizeof(cmdline), argv, argc, " ");
2125 WARNING("processes plugin: Command line did not fit into buffer.");
2129 } /* if (process has argument list) */
2131 memset(&pse, 0, sizeof(pse));
2132 pse.id = procs[i].p_pid;
2135 pse.num_lwp = 1; /* XXX: accumulate p_tid values for a single p_pid ? */
2137 pse.vmem_rss = procs[i].p_vm_rssize * pagesize;
2138 pse.vmem_data = procs[i].p_vm_dsize * pagesize;
2139 pse.vmem_code = procs[i].p_vm_tsize * pagesize;
2140 pse.stack_size = procs[i].p_vm_ssize * pagesize;
2141 pse.vmem_size = pse.stack_size + pse.vmem_code + pse.vmem_data;
2142 pse.vmem_minflt_counter = procs[i].p_uru_minflt;
2143 pse.vmem_majflt_counter = procs[i].p_uru_majflt;
2145 pse.cpu_user_counter =
2146 procs[i].p_uutime_usec + (1000000lu * procs[i].p_uutime_sec);
2147 pse.cpu_system_counter =
2148 procs[i].p_ustime_usec + (1000000lu * procs[i].p_ustime_sec);
2158 /* file descriptor count not implemented */
2161 /* Number of memory mappings */
2164 /* context switch counters not implemented */
2165 pse.cswitch_vol = -1;
2166 pse.cswitch_invol = -1;
2168 ps_list_add(procs[i].p_comm, have_cmdline ? cmdline : NULL, &pse);
2170 switch (procs[i].p_stat) {
2193 } /* if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) */
2198 ps_submit_state("running", running);
2199 ps_submit_state("sleeping", sleeping);
2200 ps_submit_state("zombies", zombies);
2201 ps_submit_state("stopped", stopped);
2202 ps_submit_state("onproc", onproc);
2203 ps_submit_state("idle", idle);
2204 ps_submit_state("dead", dead);
2206 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2207 ps_submit_proc_list(ps_ptr);
2208 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD */
2210 #elif HAVE_PROCINFO_H
2222 process_entry_t pse;
2225 while ((nprocs = getprocs64(procentry, sizeof(struct procentry64),
2226 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
2227 &pindex, MAXPROCENTRY)) > 0) {
2228 for (int i = 0; i < nprocs; i++) {
2231 char arglist[MAXARGLN + 1];
2235 if (procentry[i].pi_state == SNONE)
2237 /* if (procentry[i].pi_state == SZOMB) FIXME */
2239 cmdline = procentry[i].pi_comm;
2240 cargs = procentry[i].pi_comm;
2241 if (procentry[i].pi_flags & SKPROC) {
2242 if (procentry[i].pi_pid == 0)
2243 cmdline = "swapper";
2246 if (getargs(&procentry[i], sizeof(struct procentry64), arglist,
2251 while (++n < MAXARGLN) {
2252 if (arglist[n] == '\0') {
2253 if (arglist[n + 1] == '\0')
2262 memset(&pse, 0, sizeof(pse));
2264 pse.id = procentry[i].pi_pid;
2265 pse.num_lwp = procentry[i].pi_thcount;
2269 while ((nthreads = getthrds64(procentry[i].pi_pid, thrdentry,
2270 sizeof(struct thrdentry64), &thindex,
2271 MAXTHRDENTRY)) > 0) {
2274 for (j = 0; j < nthreads; j++) {
2275 switch (thrdentry[j].ti_state) {
2276 /* case TSNONE: break; */
2279 break; /* FIXME is really blocked */
2297 if (nthreads < MAXTHRDENTRY)
2301 /* tv_usec is nanosec ??? */
2302 pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2303 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2305 /* tv_usec is nanosec ??? */
2306 pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2307 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2309 pse.vmem_minflt_counter = procentry[i].pi_minflt;
2310 pse.vmem_majflt_counter = procentry[i].pi_majflt;
2312 pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2313 pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2314 /* Not supported/implemented */
2329 pse.cswitch_vol = -1;
2330 pse.cswitch_invol = -1;
2332 ps_list_add(cmdline, cargs, &pse);
2333 } /* for (i = 0 .. nprocs) */
2335 if (nprocs < MAXPROCENTRY)
2337 } /* while (getprocs64() > 0) */
2338 ps_submit_state("running", running);
2339 ps_submit_state("sleeping", sleeping);
2340 ps_submit_state("zombies", zombies);
2341 ps_submit_state("stopped", stopped);
2342 ps_submit_state("paging", paging);
2343 ps_submit_state("blocked", blocked);
2345 for (procstat_t *ps = list_head_g; ps != NULL; ps = ps->next)
2346 ps_submit_proc_list(ps);
2347 /* #endif HAVE_PROCINFO_H */
2349 #elif KERNEL_SOLARIS
2351 * The Solaris section adds a few more process states and removes some
2352 * process states compared to linux. Most notably there is no "PAGING"
2353 * and "BLOCKED" state for a process. The rest is similar to the linux
2371 char cmdline[PRARGSZ];
2375 proc = opendir("/proc");
2379 while ((ent = readdir(proc)) != NULL) {
2381 process_entry_t pse;
2384 if (!isdigit((int)ent->d_name[0]))
2387 pid = strtol(ent->d_name, &endptr, 10);
2388 if (*endptr != 0) /* value didn't completely parse as a number */
2391 memset(&pse, 0, sizeof(pse));
2394 status = ps_read_process(pid, &pse, &state);
2396 DEBUG("ps_read_process failed: %i", status);
2427 ps_list_add(pse.name,
2428 ps_get_cmdline(pid, pse.name, cmdline, sizeof(cmdline)), &pse);
2429 } /* while(readdir) */
2432 ps_submit_state("running", running);
2433 ps_submit_state("sleeping", sleeping);
2434 ps_submit_state("zombies", zombies);
2435 ps_submit_state("stopped", stopped);
2436 ps_submit_state("detached", detached);
2437 ps_submit_state("daemon", daemon);
2438 ps_submit_state("system", system);
2439 ps_submit_state("orphan", orphan);
2441 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2442 ps_submit_proc_list(ps_ptr);
2445 #endif /* KERNEL_SOLARIS */
2452 void module_register(void) {
2453 plugin_register_complex_config("processes", ps_config);
2454 plugin_register_init("processes", ps_init);
2455 plugin_register_read("processes", ps_read);
2456 } /* void module_register */