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_vol != -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, "memory_maps", sizeof(vl.type));
787 vl.values[0].gauge = ps->num_maps;
789 plugin_dispatch_values(&vl);
792 if ((ps->cswitch_vol != -1) && (ps->cswitch_invol != -1)) {
793 sstrncpy(vl.type, "contextswitch", sizeof(vl.type));
794 sstrncpy(vl.type_instance, "voluntary", sizeof(vl.type_instance));
795 vl.values[0].derive = ps->cswitch_vol;
797 plugin_dispatch_values(&vl);
799 sstrncpy(vl.type, "contextswitch", sizeof(vl.type));
800 sstrncpy(vl.type_instance, "involuntary", sizeof(vl.type_instance));
801 vl.values[0].derive = ps->cswitch_invol;
803 plugin_dispatch_values(&vl);
806 DEBUG("name = %s; num_proc = %lu; num_lwp = %lu; num_fd = %lu; num_maps = %lu; "
807 "vmem_size = %lu; vmem_rss = %lu; vmem_data = %lu; "
809 "vmem_minflt_counter = %" PRIi64 "; vmem_majflt_counter = %" PRIi64 "; "
810 "cpu_user_counter = %" PRIi64 "; cpu_system_counter = %" PRIi64 "; "
811 "io_rchar = %" PRIi64 "; io_wchar = %" PRIi64 "; "
812 "io_syscr = %" PRIi64 "; io_syscw = %" PRIi64 "; "
813 "io_diskr = %" PRIi64 "; io_diskw = %" PRIi64 "; "
814 "cswitch_vol = %" PRIi64 "; cswitch_invol = %" PRIi64 ";",
815 ps->name, ps->num_proc, ps->num_lwp, ps->num_fd, ps->num_maps, ps->vmem_size,
816 ps->vmem_rss, ps->vmem_data, ps->vmem_code, ps->vmem_minflt_counter,
817 ps->vmem_majflt_counter, ps->cpu_user_counter, ps->cpu_system_counter,
818 ps->io_rchar, ps->io_wchar, ps->io_syscr, ps->io_syscw, ps->io_diskr,
819 ps->io_diskw, ps->cswitch_vol, ps->cswitch_invol);
821 } /* void ps_submit_proc_list */
823 #if KERNEL_LINUX || KERNEL_SOLARIS
824 static void ps_submit_fork_rate(derive_t value) {
825 value_list_t vl = VALUE_LIST_INIT;
827 vl.values = &(value_t){.derive = value};
829 sstrncpy(vl.plugin, "processes", sizeof(vl.plugin));
830 sstrncpy(vl.plugin_instance, "", sizeof(vl.plugin_instance));
831 sstrncpy(vl.type, "fork_rate", sizeof(vl.type));
832 sstrncpy(vl.type_instance, "", sizeof(vl.type_instance));
834 plugin_dispatch_values(&vl);
836 #endif /* KERNEL_LINUX || KERNEL_SOLARIS*/
838 /* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
840 static int ps_read_tasks_status(process_entry_t *ps) {
846 derive_t cswitch_vol = 0;
847 derive_t cswitch_invol = 0;
852 snprintf(dirname, sizeof(dirname), "/proc/%li/task", ps->id);
854 if ((dh = opendir(dirname)) == NULL) {
855 DEBUG("Failed to open directory `%s'", dirname);
859 while ((ent = readdir(dh)) != NULL) {
862 if (!isdigit((int)ent->d_name[0]))
867 if (snprintf(filename, sizeof(filename), "/proc/%li/task/%s/status", ps->id,
868 tpid) >= sizeof(filename)) {
869 DEBUG("Filename too long: `%s'", filename);
873 if ((fh = fopen(filename, "r")) == NULL) {
874 DEBUG("Failed to open file `%s'", filename);
878 while (fgets(buffer, sizeof(buffer), fh) != NULL) {
882 if (strncmp(buffer, "voluntary_ctxt_switches", 23) != 0 &&
883 strncmp(buffer, "nonvoluntary_ctxt_switches", 26) != 0)
886 numfields = strsplit(buffer, fields, STATIC_ARRAY_SIZE(fields));
893 tmp = (derive_t)strtoll(fields[1], &endptr, /* base = */ 10);
894 if ((errno == 0) && (endptr != fields[1])) {
895 if (strncmp(buffer, "voluntary_ctxt_switches", 23) == 0) {
897 } else if (strncmp(buffer, "nonvoluntary_ctxt_switches", 26) == 0) {
898 cswitch_invol += tmp;
901 } /* while (fgets) */
905 WARNING("processes: fclose: %s",
906 sstrerror(errno, errbuf, sizeof(errbuf)));
911 ps->cswitch_vol = cswitch_vol;
912 ps->cswitch_invol = cswitch_invol;
915 } /* int *ps_read_tasks_status */
917 /* Read data from /proc/pid/status */
918 static int ps_read_status(long pid, process_entry_t *ps) {
922 unsigned long lib = 0;
923 unsigned long exe = 0;
924 unsigned long data = 0;
925 unsigned long threads = 0;
929 snprintf(filename, sizeof(filename), "/proc/%li/status", pid);
930 if ((fh = fopen(filename, "r")) == NULL)
933 while (fgets(buffer, sizeof(buffer), fh) != NULL) {
937 if (strncmp(buffer, "Vm", 2) != 0 && strncmp(buffer, "Threads", 7) != 0)
940 numfields = strsplit(buffer, fields, STATIC_ARRAY_SIZE(fields));
947 tmp = strtoul(fields[1], &endptr, /* base = */ 10);
948 if ((errno == 0) && (endptr != fields[1])) {
949 if (strncmp(buffer, "VmData", 6) == 0) {
951 } else if (strncmp(buffer, "VmLib", 5) == 0) {
953 } else if (strncmp(buffer, "VmExe", 5) == 0) {
955 } else if (strncmp(buffer, "Threads", 7) == 0) {
959 } /* while (fgets) */
963 WARNING("processes: fclose: %s", sstrerror(errno, errbuf, sizeof(errbuf)));
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) */
1024 WARNING("processes: fclose: %s", sstrerror(errno, errbuf, sizeof(errbuf)));
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) */
1049 WARNING("processes: fclose: %s", sstrerror(errno, errbuf, sizeof(errbuf)));
1052 } /* int ps_count_maps (...) */
1054 static int ps_count_fd(int pid) {
1060 snprintf(dirname, sizeof(dirname), "/proc/%i/fd", pid);
1062 if ((dh = opendir(dirname)) == NULL) {
1063 DEBUG("Failed to open directory `%s'", dirname);
1066 while ((ent = readdir(dh)) != NULL) {
1067 if (!isdigit((int)ent->d_name[0]))
1074 return (count >= 1) ? count : 1;
1075 } /* int ps_count_fd (pid) */
1077 static void ps_fill_details(const procstat_t *ps, process_entry_t *entry) {
1078 if (entry->has_io == 0) {
1083 if (ps->report_ctx_switch) {
1084 if (entry->has_cswitch == 0) {
1085 ps_read_tasks_status(entry);
1086 entry->has_cswitch = 1;
1090 if (ps->report_maps_num) {
1092 if (entry->has_maps == 0 && (num_maps = ps_count_maps(entry->id)) > 0) {
1093 entry->num_maps = num_maps;
1095 entry->has_maps = 1;
1098 if (ps->report_fd_num) {
1100 if (entry->has_fd == 0 && (num_fd = ps_count_fd(entry->id)) > 0) {
1101 entry->num_fd = num_fd;
1105 } /* void ps_fill_details (...) */
1107 static int ps_read_process(long pid, process_entry_t *ps, char *state) {
1117 size_t name_start_pos;
1118 size_t name_end_pos;
1121 derive_t cpu_user_counter;
1122 derive_t cpu_system_counter;
1123 long long unsigned vmem_size;
1124 long long unsigned vmem_rss;
1125 long long unsigned stack_size;
1129 snprintf(filename, sizeof(filename), "/proc/%li/stat", pid);
1131 status = read_file_contents(filename, buffer, sizeof(buffer) - 1);
1134 buffer_len = (size_t)status;
1135 buffer[buffer_len] = 0;
1137 /* The name of the process is enclosed in parens. Since the name can
1138 * contain parens itself, spaces, numbers and pretty much everything
1139 * else, use these to determine the process name. We don't use
1140 * strchr(3) and strrchr(3) to avoid pointer arithmetic which would
1141 * otherwise be required to determine name_len. */
1143 while (name_start_pos < buffer_len && buffer[name_start_pos] != '(')
1146 name_end_pos = buffer_len;
1147 while (name_end_pos > 0 && buffer[name_end_pos] != ')')
1150 /* Either '(' or ')' is not found or they are in the wrong order.
1151 * Anyway, something weird that shouldn't happen ever. */
1152 if (name_start_pos >= name_end_pos) {
1153 ERROR("processes plugin: name_start_pos = %zu >= name_end_pos = %zu",
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);
1261 /* ENOENT means the process exited while we were handling it.
1262 * Don't complain about this, it only fills the logs. */
1263 if (errno != ENOENT)
1264 WARNING("processes plugin: Failed to open `%s': %s.", file,
1265 sstrerror(errno, errbuf, sizeof(errbuf)));
1277 status = read(fd, (void *)buf_ptr, len);
1282 if ((EAGAIN == errno) || (EINTR == errno))
1285 WARNING("processes plugin: Failed to read from `%s': %s.", file,
1286 sstrerror(errno, errbuf, sizeof(errbuf)));
1306 /* cmdline not available; e.g. kernel thread, zombie */
1310 snprintf(buf, buf_len, "[%s]", name);
1314 assert(n <= buf_len);
1321 /* remove trailing whitespace */
1322 while ((n > 0) && (isspace(buf[n]) || ('\0' == buf[n]))) {
1327 /* arguments are separated by '\0' in /proc/<pid>/cmdline */
1334 } /* char *ps_get_cmdline (...) */
1336 static int read_fork_rate(void) {
1340 _Bool value_valid = 0;
1342 proc_stat = fopen("/proc/stat", "r");
1343 if (proc_stat == NULL) {
1345 ERROR("processes plugin: fopen (/proc/stat) failed: %s",
1346 sstrerror(errno, errbuf, sizeof(errbuf)));
1350 while (fgets(buffer, sizeof(buffer), proc_stat) != NULL) {
1355 fields_num = strsplit(buffer, fields, STATIC_ARRAY_SIZE(fields));
1356 if (fields_num != 2)
1359 if (strcmp("processes", fields[0]) != 0)
1362 status = parse_value(fields[1], &value, DS_TYPE_DERIVE);
1373 ps_submit_fork_rate(value.derive);
1376 #endif /*KERNEL_LINUX */
1379 static char *ps_get_cmdline(long pid,
1380 char *name __attribute__((unused)), /* {{{ */
1381 char *buffer, size_t buffer_size) {
1382 char path[PATH_MAX];
1386 snprintf(path, sizeof(path), "/proc/%li/psinfo", pid);
1388 status = read_file_contents(path, (void *)&info, sizeof(info));
1389 if ((status < 0) || (((size_t)status) != sizeof(info))) {
1390 ERROR("processes plugin: Unexpected return value "
1391 "while reading \"%s\": "
1392 "Returned %zd but expected %zu.",
1393 path, status, buffer_size);
1397 info.pr_psargs[sizeof(info.pr_psargs) - 1] = 0;
1398 sstrncpy(buffer, info.pr_psargs, buffer_size);
1401 } /* }}} int ps_get_cmdline */
1404 * Reads process information on the Solaris OS. The information comes mainly
1406 * /proc/PID/status, /proc/PID/psinfo and /proc/PID/usage
1407 * The values for input and ouput chars are calculated "by hand"
1408 * Added a few "solaris" specific process states as well
1410 static int ps_read_process(long pid, process_entry_t *ps, char *state) {
1412 char f_psinfo[64], f_usage[64];
1415 pstatus_t *myStatus;
1419 snprintf(filename, sizeof(filename), "/proc/%li/status", pid);
1420 snprintf(f_psinfo, sizeof(f_psinfo), "/proc/%li/psinfo", pid);
1421 snprintf(f_usage, sizeof(f_usage), "/proc/%li/usage", pid);
1423 buffer = calloc(1, sizeof(pstatus_t));
1424 read_file_contents(filename, buffer, sizeof(pstatus_t));
1425 myStatus = (pstatus_t *)buffer;
1427 buffer = calloc(1, sizeof(psinfo_t));
1428 read_file_contents(f_psinfo, buffer, sizeof(psinfo_t));
1429 myInfo = (psinfo_t *)buffer;
1431 buffer = calloc(1, sizeof(prusage_t));
1432 read_file_contents(f_usage, buffer, sizeof(prusage_t));
1433 myUsage = (prusage_t *)buffer;
1435 sstrncpy(ps->name, myInfo->pr_fname, sizeof(myInfo->pr_fname));
1436 ps->num_lwp = myStatus->pr_nlwp;
1437 if (myInfo->pr_wstat != 0) {
1448 ps->num_lwp = myInfo->pr_nlwp;
1452 * Convert system time and user time from nanoseconds to microseconds
1453 * for compatibility with the linux module
1455 ps->cpu_system_counter = myStatus->pr_stime.tv_nsec / 1000;
1456 ps->cpu_user_counter = myStatus->pr_utime.tv_nsec / 1000;
1459 * Convert rssize from KB to bytes to be consistent w/ the linux module
1461 ps->vmem_rss = myInfo->pr_rssize * 1024;
1462 ps->vmem_size = myInfo->pr_size * 1024;
1463 ps->vmem_minflt_counter = myUsage->pr_minf;
1464 ps->vmem_majflt_counter = myUsage->pr_majf;
1467 * TODO: Data and code segment calculations for Solaris
1472 ps->stack_size = myStatus->pr_stksize;
1475 * TODO: File descriptor count for Solaris
1479 /* Number of memory mappings */
1483 * Calculating input/ouput chars
1484 * Formula used is total chars / total blocks => chars/block
1485 * then convert input/output blocks to chars
1487 ulong_t tot_chars = myUsage->pr_ioch;
1488 ulong_t tot_blocks = myUsage->pr_inblk + myUsage->pr_oublk;
1489 ulong_t chars_per_block = 1;
1490 if (tot_blocks != 0)
1491 chars_per_block = tot_chars / tot_blocks;
1492 ps->io_rchar = myUsage->pr_inblk * chars_per_block;
1493 ps->io_wchar = myUsage->pr_oublk * chars_per_block;
1494 ps->io_syscr = myUsage->pr_sysc;
1495 ps->io_syscw = myUsage->pr_sysc;
1500 * TODO: context switch counters for Solaris
1502 ps->cswitch_vol = -1;
1503 ps->cswitch_invol = -1;
1506 * TODO: Find way of setting BLOCKED and PAGING status
1510 if (myStatus->pr_flags & PR_ASLEEP)
1512 else if (myStatus->pr_flags & PR_STOPPED)
1514 else if (myStatus->pr_flags & PR_DETACH)
1516 else if (myStatus->pr_flags & PR_DAEMON)
1518 else if (myStatus->pr_flags & PR_ISSYS)
1520 else if (myStatus->pr_flags & PR_ORPHAN)
1531 * Reads the number of threads created since the last reboot. On Solaris these
1532 * are retrieved from kstat (module cpu, name sys, class misc, stat nthreads).
1533 * The result is the sum for all the threads created on each cpu
1535 static int read_fork_rate(void) {
1536 extern kstat_ctl_t *kc;
1537 derive_t result = 0;
1542 for (kstat_t *ksp_chain = kc->kc_chain; ksp_chain != NULL;
1543 ksp_chain = ksp_chain->ks_next) {
1544 if ((strcmp(ksp_chain->ks_module, "cpu") == 0) &&
1545 (strcmp(ksp_chain->ks_name, "sys") == 0) &&
1546 (strcmp(ksp_chain->ks_class, "misc") == 0)) {
1549 kstat_read(kc, ksp_chain, NULL);
1551 tmp = get_kstat_value(ksp_chain, "nthreads");
1557 ps_submit_fork_rate(result);
1560 #endif /* KERNEL_SOLARIS */
1562 #if HAVE_THREAD_INFO
1563 static int mach_get_task_name(task_t t, int *pid, char *name,
1564 size_t name_max_len) {
1567 struct kinfo_proc kp;
1572 mib[2] = KERN_PROC_PID;
1574 if (pid_for_task(t, pid) != KERN_SUCCESS)
1578 kp_size = sizeof(kp);
1579 if (sysctl(mib, 4, &kp, &kp_size, NULL, 0) != 0)
1582 if (name_max_len > (MAXCOMLEN + 1))
1583 name_max_len = MAXCOMLEN + 1;
1585 strncpy(name, kp.kp_proc.p_comm, name_max_len - 1);
1586 name[name_max_len - 1] = '\0';
1588 DEBUG("pid = %i; name = %s;", *pid, name);
1590 /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
1591 * `top' does it, because it is a lot of work and only used when
1592 * debugging. -octo */
1596 #endif /* HAVE_THREAD_INFO */
1597 /* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO -------
1600 /* do actual readings from kernel */
1601 static int ps_read(void) {
1602 #if HAVE_THREAD_INFO
1603 kern_return_t status;
1605 processor_set_t port_pset_priv;
1607 task_array_t task_list;
1608 mach_msg_type_number_t task_list_len;
1611 char task_name[MAXCOMLEN + 1];
1613 thread_act_array_t thread_list;
1614 mach_msg_type_number_t thread_list_len;
1615 thread_basic_info_data_t thread_data;
1616 mach_msg_type_number_t thread_data_len;
1625 process_entry_t pse;
1630 * The Mach-concept is a little different from the traditional UNIX
1631 * concept: All the work is done in threads. Threads are contained in
1632 * `tasks'. Therefore, `task status' doesn't make much sense, since
1633 * it's actually a `thread status'.
1634 * Tasks are assigned to sets of processors, so that's where you go to
1637 for (mach_msg_type_number_t pset = 0; pset < pset_list_len; pset++) {
1638 if ((status = host_processor_set_priv(port_host_self, pset_list[pset],
1639 &port_pset_priv)) != KERN_SUCCESS) {
1640 ERROR("host_processor_set_priv failed: %s\n", mach_error_string(status));
1644 if ((status = processor_set_tasks(port_pset_priv, &task_list,
1645 &task_list_len)) != KERN_SUCCESS) {
1646 ERROR("processor_set_tasks failed: %s\n", mach_error_string(status));
1647 mach_port_deallocate(port_task_self, port_pset_priv);
1651 for (mach_msg_type_number_t task = 0; task < task_list_len; task++) {
1653 if (mach_get_task_name(task_list[task], &task_pid, task_name,
1654 PROCSTAT_NAME_LEN) == 0) {
1655 /* search for at least one match */
1656 for (ps = list_head_g; ps != NULL; ps = ps->next)
1657 /* FIXME: cmdline should be here instead of NULL */
1658 if (ps_list_match(task_name, NULL, ps) == 1)
1662 /* Collect more detailed statistics for this process */
1664 task_basic_info_data_t task_basic_info;
1665 mach_msg_type_number_t task_basic_info_len;
1666 task_events_info_data_t task_events_info;
1667 mach_msg_type_number_t task_events_info_len;
1668 task_absolutetime_info_data_t task_absolutetime_info;
1669 mach_msg_type_number_t task_absolutetime_info_len;
1671 memset(&pse, '\0', sizeof(pse));
1674 task_basic_info_len = TASK_BASIC_INFO_COUNT;
1675 status = task_info(task_list[task], TASK_BASIC_INFO,
1676 (task_info_t)&task_basic_info, &task_basic_info_len);
1677 if (status != KERN_SUCCESS) {
1678 ERROR("task_info failed: %s", mach_error_string(status));
1679 continue; /* with next thread_list */
1682 task_events_info_len = TASK_EVENTS_INFO_COUNT;
1684 task_info(task_list[task], TASK_EVENTS_INFO,
1685 (task_info_t)&task_events_info, &task_events_info_len);
1686 if (status != KERN_SUCCESS) {
1687 ERROR("task_info failed: %s", mach_error_string(status));
1688 continue; /* with next thread_list */
1691 task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
1692 status = task_info(task_list[task], TASK_ABSOLUTETIME_INFO,
1693 (task_info_t)&task_absolutetime_info,
1694 &task_absolutetime_info_len);
1695 if (status != KERN_SUCCESS) {
1696 ERROR("task_info failed: %s", mach_error_string(status));
1697 continue; /* with next thread_list */
1701 pse.vmem_size = task_basic_info.virtual_size;
1702 pse.vmem_rss = task_basic_info.resident_size;
1703 /* Does not seem to be easily exposed */
1714 /* File descriptor count not implemented */
1717 /* Number of memory mappings */
1720 pse.vmem_minflt_counter = task_events_info.cow_faults;
1721 pse.vmem_majflt_counter = task_events_info.faults;
1723 pse.cpu_user_counter = task_absolutetime_info.total_user;
1724 pse.cpu_system_counter = task_absolutetime_info.total_system;
1726 /* context switch counters not implemented */
1727 pse.cswitch_vol = -1;
1728 pse.cswitch_invol = -1;
1731 status = task_threads(task_list[task], &thread_list, &thread_list_len);
1732 if (status != KERN_SUCCESS) {
1733 /* Apple's `top' treats this case a zombie. It
1734 * makes sense to some extend: A `zombie'
1735 * thread is nonsense, since the task/process
1738 DEBUG("task_threads failed: %s", mach_error_string(status));
1739 if (task_list[task] != port_task_self)
1740 mach_port_deallocate(port_task_self, task_list[task]);
1741 continue; /* with next task_list */
1744 for (mach_msg_type_number_t thread = 0; thread < thread_list_len;
1746 thread_data_len = THREAD_BASIC_INFO_COUNT;
1747 status = thread_info(thread_list[thread], THREAD_BASIC_INFO,
1748 (thread_info_t)&thread_data, &thread_data_len);
1749 if (status != KERN_SUCCESS) {
1750 ERROR("thread_info failed: %s", mach_error_string(status));
1751 if (task_list[task] != port_task_self)
1752 mach_port_deallocate(port_task_self, thread_list[thread]);
1753 continue; /* with next thread_list */
1759 switch (thread_data.run_state) {
1760 case TH_STATE_RUNNING:
1763 case TH_STATE_STOPPED:
1764 /* What exactly is `halted'? */
1765 case TH_STATE_HALTED:
1768 case TH_STATE_WAITING:
1771 case TH_STATE_UNINTERRUPTIBLE:
1774 /* There is no `zombie' case here,
1775 * since there are no zombie-threads.
1776 * There's only zombie tasks, which are
1779 WARNING("Unknown thread status: %i", thread_data.run_state);
1781 } /* switch (thread_data.run_state) */
1783 if (task_list[task] != port_task_self) {
1784 status = mach_port_deallocate(port_task_self, thread_list[thread]);
1785 if (status != KERN_SUCCESS)
1786 ERROR("mach_port_deallocate failed: %s", mach_error_string(status));
1788 } /* for (thread_list) */
1790 if ((status = vm_deallocate(port_task_self, (vm_address_t)thread_list,
1791 thread_list_len * sizeof(thread_act_t))) !=
1793 ERROR("vm_deallocate failed: %s", mach_error_string(status));
1796 thread_list_len = 0;
1798 /* Only deallocate the task port, if it isn't our own.
1799 * Don't know what would happen in that case, but this
1800 * is what Apple's top does.. ;) */
1801 if (task_list[task] != port_task_self) {
1802 status = mach_port_deallocate(port_task_self, task_list[task]);
1803 if (status != KERN_SUCCESS)
1804 ERROR("mach_port_deallocate failed: %s", mach_error_string(status));
1808 /* FIXME: cmdline should be here instead of NULL */
1809 ps_list_add(task_name, NULL, &pse);
1810 } /* for (task_list) */
1812 if ((status = vm_deallocate(port_task_self, (vm_address_t)task_list,
1813 task_list_len * sizeof(task_t))) !=
1815 ERROR("vm_deallocate failed: %s", mach_error_string(status));
1820 if ((status = mach_port_deallocate(port_task_self, port_pset_priv)) !=
1822 ERROR("mach_port_deallocate failed: %s", mach_error_string(status));
1824 } /* for (pset_list) */
1826 ps_submit_state("running", running);
1827 ps_submit_state("sleeping", sleeping);
1828 ps_submit_state("zombies", zombies);
1829 ps_submit_state("stopped", stopped);
1830 ps_submit_state("blocked", blocked);
1832 for (ps = list_head_g; ps != NULL; ps = ps->next)
1833 ps_submit_proc_list(ps);
1834 /* #endif HAVE_THREAD_INFO */
1848 char cmdline[CMDLINE_BUFFER_SIZE];
1851 process_entry_t pse;
1854 running = sleeping = zombies = stopped = paging = blocked = 0;
1857 if ((proc = opendir("/proc")) == NULL) {
1859 ERROR("Cannot open `/proc': %s", sstrerror(errno, errbuf, sizeof(errbuf)));
1863 while ((ent = readdir(proc)) != NULL) {
1864 if (!isdigit(ent->d_name[0]))
1867 if ((pid = atol(ent->d_name)) < 1)
1870 memset(&pse, 0, sizeof(pse));
1873 status = ps_read_process(pid, &pse, &state);
1875 DEBUG("ps_read_process failed: %i", status);
1900 ps_list_add(pse.name,
1901 ps_get_cmdline(pid, pse.name, cmdline, sizeof(cmdline)), &pse);
1906 ps_submit_state("running", running);
1907 ps_submit_state("sleeping", sleeping);
1908 ps_submit_state("zombies", zombies);
1909 ps_submit_state("stopped", stopped);
1910 ps_submit_state("paging", paging);
1911 ps_submit_state("blocked", blocked);
1913 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
1914 ps_submit_proc_list(ps_ptr);
1917 /* #endif KERNEL_LINUX */
1919 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD
1929 char errbuf[_POSIX2_LINE_MAX];
1930 struct kinfo_proc *procs; /* array of processes */
1931 struct kinfo_proc *proc_ptr = NULL;
1932 int count; /* returns number of processes */
1934 process_entry_t pse;
1938 /* Open the kvm interface, get a descriptor */
1939 kd = kvm_openfiles(NULL, "/dev/null", NULL, 0, errbuf);
1941 ERROR("processes plugin: Cannot open kvm interface: %s", errbuf);
1945 /* Get the list of processes. */
1946 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
1947 if (procs == NULL) {
1948 ERROR("processes plugin: Cannot get kvm processes list: %s",
1954 /* Iterate through the processes in kinfo_proc */
1955 for (int i = 0; i < count; i++) {
1956 /* Create only one process list entry per _process_, i.e.
1957 * filter out threads (duplicate PID entries). */
1958 if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) {
1959 char cmdline[CMDLINE_BUFFER_SIZE] = "";
1960 _Bool have_cmdline = 0;
1962 proc_ptr = &(procs[i]);
1963 /* Don't probe system processes and processes without arguments */
1964 if (((procs[i].ki_flag & P_SYSTEM) == 0) && (procs[i].ki_args != NULL)) {
1969 /* retrieve the arguments */
1970 argv = kvm_getargv(kd, proc_ptr, /* nchr = */ 0);
1972 if ((argv != NULL) && (argv[0] != NULL)) {
1973 while (argv[argc] != NULL)
1976 status = strjoin(cmdline, sizeof(cmdline), argv, argc, " ");
1978 WARNING("processes plugin: Command line did not fit into buffer.");
1982 } /* if (process has argument list) */
1984 memset(&pse, 0, sizeof(pse));
1985 pse.id = procs[i].ki_pid;
1988 pse.num_lwp = procs[i].ki_numthreads;
1990 pse.vmem_size = procs[i].ki_size;
1991 pse.vmem_rss = procs[i].ki_rssize * pagesize;
1992 pse.vmem_data = procs[i].ki_dsize * pagesize;
1993 pse.vmem_code = procs[i].ki_tsize * pagesize;
1994 pse.stack_size = procs[i].ki_ssize * pagesize;
1995 pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
1996 pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
1998 pse.cpu_user_counter = 0;
1999 pse.cpu_system_counter = 0;
2001 * The u-area might be swapped out, and we can't get
2002 * at it because we have a crashdump and no swap.
2003 * If it's here fill in these fields, otherwise, just
2006 if (procs[i].ki_flag & P_INMEM) {
2007 pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_usec +
2008 (1000000lu * procs[i].ki_rusage.ru_utime.tv_sec);
2009 pse.cpu_system_counter =
2010 procs[i].ki_rusage.ru_stime.tv_usec +
2011 (1000000lu * procs[i].ki_rusage.ru_stime.tv_sec);
2022 /* file descriptor count not implemented */
2025 /* Number of memory mappings */
2028 /* context switch counters not implemented */
2029 pse.cswitch_vol = -1;
2030 pse.cswitch_invol = -1;
2032 ps_list_add(procs[i].ki_comm, have_cmdline ? cmdline : NULL, &pse);
2034 switch (procs[i].ki_stat) {
2057 } /* if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid)) */
2062 ps_submit_state("running", running);
2063 ps_submit_state("sleeping", sleeping);
2064 ps_submit_state("zombies", zombies);
2065 ps_submit_state("stopped", stopped);
2066 ps_submit_state("blocked", blocked);
2067 ps_submit_state("idle", idle);
2068 ps_submit_state("wait", wait);
2070 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2071 ps_submit_proc_list(ps_ptr);
2072 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_FREEBSD */
2074 #elif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD
2085 struct kinfo_proc *procs; /* array of processes */
2086 struct kinfo_proc *proc_ptr = NULL;
2087 int count; /* returns number of processes */
2089 process_entry_t pse;
2093 /* Open the kvm interface, get a descriptor */
2094 kd = kvm_openfiles(NULL, NULL, NULL, KVM_NO_FILES, errbuf);
2096 ERROR("processes plugin: Cannot open kvm interface: %s", errbuf);
2100 /* Get the list of processes. */
2101 procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, sizeof(struct kinfo_proc), &count);
2102 if (procs == NULL) {
2103 ERROR("processes plugin: Cannot get kvm processes list: %s",
2109 /* Iterate through the processes in kinfo_proc */
2110 for (int i = 0; i < count; i++) {
2111 /* Create only one process list entry per _process_, i.e.
2112 * filter out threads (duplicate PID entries). */
2113 if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) {
2114 char cmdline[CMDLINE_BUFFER_SIZE] = "";
2115 _Bool have_cmdline = 0;
2117 proc_ptr = &(procs[i]);
2118 /* Don't probe zombie processes */
2119 if (!P_ZOMBIE(proc_ptr)) {
2124 /* retrieve the arguments */
2125 argv = kvm_getargv(kd, proc_ptr, /* nchr = */ 0);
2127 if ((argv != NULL) && (argv[0] != NULL)) {
2128 while (argv[argc] != NULL)
2131 status = strjoin(cmdline, sizeof(cmdline), argv, argc, " ");
2133 WARNING("processes plugin: Command line did not fit into buffer.");
2137 } /* if (process has argument list) */
2139 memset(&pse, 0, sizeof(pse));
2140 pse.id = procs[i].p_pid;
2143 pse.num_lwp = 1; /* XXX: accumulate p_tid values for a single p_pid ? */
2145 pse.vmem_rss = procs[i].p_vm_rssize * pagesize;
2146 pse.vmem_data = procs[i].p_vm_dsize * pagesize;
2147 pse.vmem_code = procs[i].p_vm_tsize * pagesize;
2148 pse.stack_size = procs[i].p_vm_ssize * pagesize;
2149 pse.vmem_size = pse.stack_size + pse.vmem_code + pse.vmem_data;
2150 pse.vmem_minflt_counter = procs[i].p_uru_minflt;
2151 pse.vmem_majflt_counter = procs[i].p_uru_majflt;
2153 pse.cpu_user_counter =
2154 procs[i].p_uutime_usec + (1000000lu * procs[i].p_uutime_sec);
2155 pse.cpu_system_counter =
2156 procs[i].p_ustime_usec + (1000000lu * procs[i].p_ustime_sec);
2166 /* file descriptor count not implemented */
2169 /* Number of memory mappings */
2172 /* context switch counters not implemented */
2173 pse.cswitch_vol = -1;
2174 pse.cswitch_invol = -1;
2176 ps_list_add(procs[i].p_comm, have_cmdline ? cmdline : NULL, &pse);
2178 switch (procs[i].p_stat) {
2201 } /* if ((proc_ptr == NULL) || (proc_ptr->p_pid != procs[i].p_pid)) */
2206 ps_submit_state("running", running);
2207 ps_submit_state("sleeping", sleeping);
2208 ps_submit_state("zombies", zombies);
2209 ps_submit_state("stopped", stopped);
2210 ps_submit_state("onproc", onproc);
2211 ps_submit_state("idle", idle);
2212 ps_submit_state("dead", dead);
2214 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2215 ps_submit_proc_list(ps_ptr);
2216 /* #endif HAVE_LIBKVM_GETPROCS && HAVE_STRUCT_KINFO_PROC_OPENBSD */
2218 #elif HAVE_PROCINFO_H
2230 process_entry_t pse;
2233 while ((nprocs = getprocs64(procentry, sizeof(struct procentry64),
2234 /* fdsinfo = */ NULL, sizeof(struct fdsinfo64),
2235 &pindex, MAXPROCENTRY)) > 0) {
2236 for (int i = 0; i < nprocs; i++) {
2239 char arglist[MAXARGLN + 1];
2243 if (procentry[i].pi_state == SNONE)
2245 /* if (procentry[i].pi_state == SZOMB) FIXME */
2247 cmdline = procentry[i].pi_comm;
2248 cargs = procentry[i].pi_comm;
2249 if (procentry[i].pi_flags & SKPROC) {
2250 if (procentry[i].pi_pid == 0)
2251 cmdline = "swapper";
2254 if (getargs(&procentry[i], sizeof(struct procentry64), arglist,
2259 while (++n < MAXARGLN) {
2260 if (arglist[n] == '\0') {
2261 if (arglist[n + 1] == '\0')
2270 memset(&pse, 0, sizeof(pse));
2272 pse.id = procentry[i].pi_pid;
2273 pse.num_lwp = procentry[i].pi_thcount;
2277 while ((nthreads = getthrds64(procentry[i].pi_pid, thrdentry,
2278 sizeof(struct thrdentry64), &thindex,
2279 MAXTHRDENTRY)) > 0) {
2282 for (j = 0; j < nthreads; j++) {
2283 switch (thrdentry[j].ti_state) {
2284 /* case TSNONE: break; */
2287 break; /* FIXME is really blocked */
2305 if (nthreads < MAXTHRDENTRY)
2309 /* tv_usec is nanosec ??? */
2310 pse.cpu_user_counter = procentry[i].pi_ru.ru_utime.tv_sec * 1000000 +
2311 procentry[i].pi_ru.ru_utime.tv_usec / 1000;
2313 /* tv_usec is nanosec ??? */
2314 pse.cpu_system_counter = procentry[i].pi_ru.ru_stime.tv_sec * 1000000 +
2315 procentry[i].pi_ru.ru_stime.tv_usec / 1000;
2317 pse.vmem_minflt_counter = procentry[i].pi_minflt;
2318 pse.vmem_majflt_counter = procentry[i].pi_majflt;
2320 pse.vmem_size = procentry[i].pi_tsize + procentry[i].pi_dvm * pagesize;
2321 pse.vmem_rss = (procentry[i].pi_drss + procentry[i].pi_trss) * pagesize;
2322 /* Not supported/implemented */
2337 pse.cswitch_vol = -1;
2338 pse.cswitch_invol = -1;
2340 ps_list_add(cmdline, cargs, &pse);
2341 } /* for (i = 0 .. nprocs) */
2343 if (nprocs < MAXPROCENTRY)
2345 } /* while (getprocs64() > 0) */
2346 ps_submit_state("running", running);
2347 ps_submit_state("sleeping", sleeping);
2348 ps_submit_state("zombies", zombies);
2349 ps_submit_state("stopped", stopped);
2350 ps_submit_state("paging", paging);
2351 ps_submit_state("blocked", blocked);
2353 for (procstat_t *ps = list_head_g; ps != NULL; ps = ps->next)
2354 ps_submit_proc_list(ps);
2355 /* #endif HAVE_PROCINFO_H */
2357 #elif KERNEL_SOLARIS
2359 * The Solaris section adds a few more process states and removes some
2360 * process states compared to linux. Most notably there is no "PAGING"
2361 * and "BLOCKED" state for a process. The rest is similar to the linux
2379 char cmdline[PRARGSZ];
2383 proc = opendir("/proc");
2387 while ((ent = readdir(proc)) != NULL) {
2389 process_entry_t pse;
2392 if (!isdigit((int)ent->d_name[0]))
2395 pid = strtol(ent->d_name, &endptr, 10);
2396 if (*endptr != 0) /* value didn't completely parse as a number */
2399 memset(&pse, 0, sizeof(pse));
2402 status = ps_read_process(pid, &pse, &state);
2404 DEBUG("ps_read_process failed: %i", status);
2435 ps_list_add(pse.name,
2436 ps_get_cmdline(pid, pse.name, cmdline, sizeof(cmdline)), &pse);
2437 } /* while(readdir) */
2440 ps_submit_state("running", running);
2441 ps_submit_state("sleeping", sleeping);
2442 ps_submit_state("zombies", zombies);
2443 ps_submit_state("stopped", stopped);
2444 ps_submit_state("detached", detached);
2445 ps_submit_state("daemon", daemon);
2446 ps_submit_state("system", system);
2447 ps_submit_state("orphan", orphan);
2449 for (procstat_t *ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
2450 ps_submit_proc_list(ps_ptr);
2453 #endif /* KERNEL_SOLARIS */
2460 void module_register(void) {
2461 plugin_register_complex_config("processes", ps_config);
2462 plugin_register_init("processes", ps_init);
2463 plugin_register_read("processes", ps_read);
2464 } /* void module_register */