3 * Copyright (C) 2005-2014 Florian octo Forster
4 * Copyright (C) 2008 Oleg King
5 * Copyright (C) 2009 Simon Kuhnle
6 * Copyright (C) 2009 Manuel Sanmartin
7 * Copyright (C) 2013-2014 Pierre-Yves Ritschard
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; only version 2 of the License is applicable.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 * Florian octo Forster <octo at collectd.org>
24 * Oleg King <king2 at kaluga.ru>
25 * Simon Kuhnle <simon at blarzwurst.de>
27 * Pierre-Yves Ritschard <pyr at spootnik.org>
34 #ifdef HAVE_MACH_KERN_RETURN_H
35 # include <mach/kern_return.h>
37 #ifdef HAVE_MACH_MACH_INIT_H
38 # include <mach/mach_init.h>
40 #ifdef HAVE_MACH_HOST_PRIV_H
41 # include <mach/host_priv.h>
43 #if HAVE_MACH_MACH_ERROR_H
44 # include <mach/mach_error.h>
46 #ifdef HAVE_MACH_PROCESSOR_INFO_H
47 # include <mach/processor_info.h>
49 #ifdef HAVE_MACH_PROCESSOR_H
50 # include <mach/processor.h>
52 #ifdef HAVE_MACH_VM_MAP_H
53 # include <mach/vm_map.h>
57 # include <sys/sysinfo.h>
58 #endif /* HAVE_LIBKSTAT */
60 #if (defined(HAVE_SYSCTL) && HAVE_SYSCTL) \
61 || (defined(HAVE_SYSCTLBYNAME) && HAVE_SYSCTLBYNAME)
62 # ifdef HAVE_SYS_SYSCTL_H
63 # include <sys/sysctl.h>
66 # ifdef HAVE_SYS_DKSTAT_H
67 # include <sys/dkstat.h>
70 # if !defined(CP_USER) || !defined(CP_NICE) || !defined(CP_SYS) || !defined(CP_INTR) || !defined(CP_IDLE) || !defined(CPUSTATES)
78 #endif /* HAVE_SYSCTL || HAVE_SYSCTLBYNAME */
81 # if defined(CTL_HW) && defined(HW_NCPU) \
82 && defined(CTL_KERN) && defined(KERN_CPTIME) && defined(CPUSTATES)
83 # define CAN_USE_SYSCTL 1
85 # define CAN_USE_SYSCTL 0
88 # define CAN_USE_SYSCTL 0
91 #define COLLECTD_CPU_STATE_USER 0
92 #define COLLECTD_CPU_STATE_SYSTEM 1
93 #define COLLECTD_CPU_STATE_WAIT 2
94 #define COLLECTD_CPU_STATE_NICE 3
95 #define COLLECTD_CPU_STATE_SWAP 4
96 #define COLLECTD_CPU_STATE_INTERRUPT 5
97 #define COLLECTD_CPU_STATE_SOFTIRQ 6
98 #define COLLECTD_CPU_STATE_STEAL 7
99 #define COLLECTD_CPU_STATE_IDLE 8
100 #define COLLECTD_CPU_STATE_ACTIVE 9 /* sum of (!idle) */
101 #define COLLECTD_CPU_STATE_MAX 10 /* #states */
104 # include <statgrab.h>
107 # ifdef HAVE_PERFSTAT
108 # include <sys/protosw.h>
109 # include <libperfstat.h>
110 # endif /* HAVE_PERFSTAT */
112 #if !PROCESSOR_CPU_LOAD_INFO && !KERNEL_LINUX && !HAVE_LIBKSTAT \
113 && !CAN_USE_SYSCTL && !HAVE_SYSCTLBYNAME && !HAVE_LIBSTATGRAB && !HAVE_PERFSTAT
114 # error "No applicable input method."
117 static const char *cpu_state_names[] = {
130 #ifdef PROCESSOR_CPU_LOAD_INFO
131 static mach_port_t port_host;
132 static processor_port_array_t cpu_list;
133 static mach_msg_type_number_t cpu_list_len;
134 /* #endif PROCESSOR_CPU_LOAD_INFO */
136 #elif defined(KERNEL_LINUX)
137 /* no variables needed */
138 /* #endif KERNEL_LINUX */
140 #elif defined(HAVE_LIBKSTAT)
141 /* colleague tells me that Sun doesn't sell systems with more than 100 or so CPUs.. */
142 # define MAX_NUMCPU 256
143 extern kstat_ctl_t *kc;
144 static kstat_t *ksp[MAX_NUMCPU];
146 /* #endif HAVE_LIBKSTAT */
150 /* #endif CAN_USE_SYSCTL */
152 #elif defined(HAVE_SYSCTLBYNAME)
154 # ifdef HAVE_SYSCTL_KERN_CP_TIMES
156 # endif /* HAVE_SYSCTL_KERN_CP_TIMES */
157 /* #endif HAVE_SYSCTLBYNAME */
159 #elif defined(HAVE_LIBSTATGRAB)
160 /* no variables needed */
161 /* #endif HAVE_LIBSTATGRAB */
163 #elif defined(HAVE_PERFSTAT)
164 static perfstat_cpu_t *perfcpu;
167 #endif /* HAVE_PERFSTAT */
169 #define RATE_ADD(sum, val) do { \
172 else if (!isnan (val)) \
178 value_to_rate_state_t conv;
182 typedef struct cpu_state_s cpu_state_t;
184 static cpu_state_t *cpu_states = NULL;
185 static size_t cpu_states_num = 0; /* #cpu_states allocated */
187 /* Highest CPU number in the current iteration. Used by the dispatch logic to
188 * determine how many CPUs there were. Reset to 0 by cpu_reset(). */
189 static size_t global_cpu_num = 0;
191 static _Bool report_by_cpu = 1;
192 static _Bool report_by_state = 1;
193 static _Bool report_percent = 0;
195 static const char *config_keys[] =
201 static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
203 static int cpu_config (char const *key, char const *value) /* {{{ */
205 if (strcasecmp (key, "ReportByCpu") == 0)
206 report_by_cpu = IS_TRUE (value) ? 1 : 0;
207 else if (strcasecmp (key, "ValuesPercentage") == 0)
208 report_percent = IS_TRUE (value) ? 1 : 0;
209 else if (strcasecmp (key, "ReportByState") == 0)
210 report_by_state = IS_TRUE (value) ? 1 : 0;
215 } /* }}} int cpu_config */
217 static int init (void)
219 #if PROCESSOR_CPU_LOAD_INFO
220 kern_return_t status;
222 port_host = mach_host_self ();
224 /* FIXME: Free `cpu_list' if it's not NULL */
225 if ((status = host_processors (port_host, &cpu_list, &cpu_list_len)) != KERN_SUCCESS)
227 ERROR ("cpu plugin: host_processors returned %i", (int) status);
232 DEBUG ("host_processors returned %i %s", (int) cpu_list_len, cpu_list_len == 1 ? "processor" : "processors");
233 INFO ("cpu plugin: Found %i processor%s.", (int) cpu_list_len, cpu_list_len == 1 ? "" : "s");
234 /* #endif PROCESSOR_CPU_LOAD_INFO */
236 #elif defined(HAVE_LIBKSTAT)
244 /* Solaris doesn't count linear.. *sigh* */
245 for (numcpu = 0, ksp_chain = kc->kc_chain;
246 (numcpu < MAX_NUMCPU) && (ksp_chain != NULL);
247 ksp_chain = ksp_chain->ks_next)
248 if (strncmp (ksp_chain->ks_module, "cpu_stat", 8) == 0)
249 ksp[numcpu++] = ksp_chain;
250 /* #endif HAVE_LIBKSTAT */
254 int mib[2] = {CTL_HW, HW_NCPU};
258 numcpu_size = sizeof (numcpu);
260 status = sysctl (mib, STATIC_ARRAY_SIZE (mib),
261 &numcpu, &numcpu_size, NULL, 0);
265 WARNING ("cpu plugin: sysctl: %s",
266 sstrerror (errno, errbuf, sizeof (errbuf)));
269 /* #endif CAN_USE_SYSCTL */
271 #elif defined (HAVE_SYSCTLBYNAME)
274 numcpu_size = sizeof (numcpu);
276 if (sysctlbyname ("hw.ncpu", &numcpu, &numcpu_size, NULL, 0) < 0)
279 WARNING ("cpu plugin: sysctlbyname(hw.ncpu): %s",
280 sstrerror (errno, errbuf, sizeof (errbuf)));
284 #ifdef HAVE_SYSCTL_KERN_CP_TIMES
285 numcpu_size = sizeof (maxcpu);
287 if (sysctlbyname("kern.smp.maxcpus", &maxcpu, &numcpu_size, NULL, 0) < 0)
290 WARNING ("cpu plugin: sysctlbyname(kern.smp.maxcpus): %s",
291 sstrerror (errno, errbuf, sizeof (errbuf)));
296 NOTICE ("cpu: Only one processor supported when using `sysctlbyname' (found %i)", numcpu);
298 /* #endif HAVE_SYSCTLBYNAME */
300 #elif defined(HAVE_LIBSTATGRAB)
301 /* nothing to initialize */
302 /* #endif HAVE_LIBSTATGRAB */
304 #elif defined(HAVE_PERFSTAT)
305 /* nothing to initialize */
306 #endif /* HAVE_PERFSTAT */
311 static void submit_value (int cpu_num, int cpu_state, const char *type, value_t value)
314 value_list_t vl = VALUE_LIST_INIT;
316 memcpy(&values[0], &value, sizeof(value));
321 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
322 sstrncpy (vl.plugin, "cpu", sizeof (vl.plugin));
323 sstrncpy (vl.type, type, sizeof (vl.type));
324 sstrncpy (vl.type_instance, cpu_state_names[cpu_state],
325 sizeof (vl.type_instance));
328 ssnprintf (vl.plugin_instance, sizeof (vl.plugin_instance),
331 plugin_dispatch_values (&vl);
334 static void submit_percent(int cpu_num, int cpu_state, gauge_t percent)
338 /* This function is called for all known CPU states, but each read
339 * method will only report a subset. The remaining states are left as
340 * NAN and we ignore them here. */
344 value.gauge = percent;
345 submit_value (cpu_num, cpu_state, "percent", value);
348 static void submit_derive(int cpu_num, int cpu_state, derive_t derive)
352 value.derive = derive;
353 submit_value (cpu_num, cpu_state, "cpu", value);
356 /* Takes the zero-index number of a CPU and makes sure that the module-global
357 * cpu_states buffer is large enough. Returne ENOMEM on erorr. */
358 static int cpu_states_alloc (size_t cpu_num) /* {{{ */
363 sz = (((size_t) cpu_num) + 1) * COLLECTD_CPU_STATE_MAX;
366 /* We already have enough space. */
367 if (cpu_states_num >= sz)
370 tmp = realloc (cpu_states, sz * sizeof (*cpu_states));
373 ERROR ("cpu plugin: realloc failed.");
377 tmp = cpu_states + cpu_states_num;
379 memset (tmp, 0, (sz - cpu_states_num) * sizeof (*cpu_states));
382 } /* }}} cpu_states_alloc */
384 static cpu_state_t *get_cpu_state (size_t cpu_num, size_t state) /* {{{ */
386 size_t index = ((cpu_num * COLLECTD_CPU_STATE_MAX) + state);
388 if (index >= cpu_states_num)
391 return (&cpu_states[index]);
392 } /* }}} cpu_state_t *get_cpu_state */
394 /* Populates the per-CPU COLLECTD_CPU_STATE_ACTIVE rate and the global rate_by_state
396 static void aggregate (gauge_t *sum_by_state) /* {{{ */
401 for (state = 0; state < COLLECTD_CPU_STATE_MAX; state++)
402 sum_by_state[state] = NAN;
404 for (cpu_num = 0; cpu_num < global_cpu_num; cpu_num++)
406 cpu_state_t *this_cpu_states = get_cpu_state (cpu_num, 0);
408 this_cpu_states[COLLECTD_CPU_STATE_ACTIVE].rate = NAN;
410 for (state = 0; state < COLLECTD_CPU_STATE_ACTIVE; state++)
412 if (!this_cpu_states[state].has_value)
415 RATE_ADD (sum_by_state[state], this_cpu_states[state].rate);
416 if (state != COLLECTD_CPU_STATE_IDLE)
417 RATE_ADD (this_cpu_states[COLLECTD_CPU_STATE_ACTIVE].rate, this_cpu_states[state].rate);
420 if (!isnan (this_cpu_states[COLLECTD_CPU_STATE_ACTIVE].rate))
421 this_cpu_states[COLLECTD_CPU_STATE_ACTIVE].has_value = 1;
423 RATE_ADD (sum_by_state[COLLECTD_CPU_STATE_ACTIVE], this_cpu_states[COLLECTD_CPU_STATE_ACTIVE].rate);
425 } /* }}} void aggregate */
427 /* Commits (dispatches) the values for one CPU or the global aggregation.
428 * cpu_num is the index of the CPU to be committed or -1 in case of the global
429 * aggregation. rates is a pointer to COLLECTD_CPU_STATE_MAX gauge_t values holding the
430 * current rate; each rate may be NAN. Calculates the percentage of each state
431 * and dispatches the metric. */
432 static void cpu_commit_one (int cpu_num, /* {{{ */
433 gauge_t rates[static COLLECTD_CPU_STATE_MAX])
438 sum = rates[COLLECTD_CPU_STATE_ACTIVE];
439 RATE_ADD (sum, rates[COLLECTD_CPU_STATE_IDLE]);
441 if (!report_by_state)
443 gauge_t percent = 100.0 * rates[COLLECTD_CPU_STATE_ACTIVE] / sum;
444 submit_percent (cpu_num, COLLECTD_CPU_STATE_ACTIVE, percent);
448 for (state = 0; state < COLLECTD_CPU_STATE_ACTIVE; state++)
450 gauge_t percent = 100.0 * rates[state] / sum;
451 submit_percent (cpu_num, state, percent);
453 } /* }}} void cpu_commit_one */
455 /* Resets the internal aggregation. This is called by the read callback after
456 * each iteration / after each call to cpu_commit(). */
457 static void cpu_reset (void) /* {{{ */
461 for (i = 0; i < cpu_states_num; i++)
462 cpu_states[i].has_value = 0;
465 } /* }}} void cpu_reset */
467 /* Legacy behavior: Dispatches the raw derive values without any aggregation. */
468 static void cpu_commit_without_aggregation (void) /* {{{ */
472 for (state = 0; state < COLLECTD_CPU_STATE_ACTIVE; state++)
476 for (cpu_num = 0; cpu_num < global_cpu_num; cpu_num++)
478 cpu_state_t *s = get_cpu_state (cpu_num, state);
483 submit_derive ((int) cpu_num, (int) state, s->conv.last_value.derive);
486 } /* }}} void cpu_commit_without_aggregation */
488 /* Aggregates the internal state and dispatches the metrics. */
489 static void cpu_commit (void) /* {{{ */
491 gauge_t global_rates[COLLECTD_CPU_STATE_MAX] = {
492 NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN /* Batman! */
496 if (report_by_state && report_by_cpu && !report_percent)
498 cpu_commit_without_aggregation ();
502 aggregate (global_rates);
506 cpu_commit_one (-1, global_rates);
510 for (cpu_num = 0; cpu_num < global_cpu_num; cpu_num++)
512 cpu_state_t *this_cpu_states = get_cpu_state (cpu_num, 0);
513 gauge_t local_rates[COLLECTD_CPU_STATE_MAX] = {
514 NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN
518 for (state = 0; state < COLLECTD_CPU_STATE_MAX; state++)
519 if (this_cpu_states[state].has_value)
520 local_rates[state] = this_cpu_states[state].rate;
522 cpu_commit_one ((int) cpu_num, local_rates);
524 } /* }}} void cpu_commit */
526 /* Adds a derive value to the internal state. This should be used by each read
527 * function for each state. At the end of the iteration, the read function
528 * should call cpu_commit(). */
529 static int cpu_stage (size_t cpu_num, size_t state, derive_t value, cdtime_t now) /* {{{ */
535 if (state >= COLLECTD_CPU_STATE_ACTIVE)
538 status = cpu_states_alloc (cpu_num);
542 if (global_cpu_num <= cpu_num)
543 global_cpu_num = cpu_num + 1;
545 s = get_cpu_state (cpu_num, state);
548 status = value_to_rate (&v, value, &s->conv, DS_TYPE_DERIVE, now);
555 } /* }}} int cpu_stage */
557 static int cpu_read (void)
559 cdtime_t now = cdtime ();
561 #if PROCESSOR_CPU_LOAD_INFO /* {{{ */
564 kern_return_t status;
566 processor_cpu_load_info_data_t cpu_info;
567 mach_msg_type_number_t cpu_info_len;
571 for (cpu = 0; cpu < cpu_list_len; cpu++)
574 cpu_info_len = PROCESSOR_BASIC_INFO_COUNT;
576 status = processor_info (cpu_list[cpu], PROCESSOR_CPU_LOAD_INFO, &cpu_host,
577 (processor_info_t) &cpu_info, &cpu_info_len);
578 if (status != KERN_SUCCESS)
580 ERROR ("cpu plugin: processor_info (PROCESSOR_CPU_LOAD_INFO) failed: %s",
581 mach_error_string (status));
585 if (cpu_info_len < CPU_STATE_MAX)
587 ERROR ("cpu plugin: processor_info returned only %i elements..", cpu_info_len);
591 cpu_stage (cpu, COLLECTD_CPU_STATE_USER, (derive_t) cpu_info.cpu_ticks[CPU_STATE_USER], now);
592 cpu_stage (cpu, COLLECTD_CPU_STATE_NICE, (derive_t) cpu_info.cpu_ticks[CPU_STATE_NICE], now);
593 cpu_stage (cpu, COLLECTD_CPU_STATE_SYSTEM, (derive_t) cpu_info.cpu_ticks[CPU_STATE_SYSTEM], now);
594 cpu_stage (cpu, COLLECTD_CPU_STATE_IDLE, (derive_t) cpu_info.cpu_ticks[CPU_STATE_IDLE], now);
596 /* }}} #endif PROCESSOR_CPU_LOAD_INFO */
598 #elif defined(KERNEL_LINUX) /* {{{ */
606 if ((fh = fopen ("/proc/stat", "r")) == NULL)
609 ERROR ("cpu plugin: fopen (/proc/stat) failed: %s",
610 sstrerror (errno, errbuf, sizeof (errbuf)));
614 while (fgets (buf, 1024, fh) != NULL)
616 if (strncmp (buf, "cpu", 3))
618 if ((buf[3] < '0') || (buf[3] > '9'))
621 numfields = strsplit (buf, fields, 9);
625 cpu = atoi (fields[0] + 3);
627 cpu_stage (cpu, COLLECTD_CPU_STATE_USER, (derive_t) atoll(fields[1]), now);
628 cpu_stage (cpu, COLLECTD_CPU_STATE_NICE, (derive_t) atoll(fields[2]), now);
629 cpu_stage (cpu, COLLECTD_CPU_STATE_SYSTEM, (derive_t) atoll(fields[3]), now);
630 cpu_stage (cpu, COLLECTD_CPU_STATE_IDLE, (derive_t) atoll(fields[4]), now);
634 cpu_stage (cpu, COLLECTD_CPU_STATE_WAIT, (derive_t) atoll(fields[5]), now);
635 cpu_stage (cpu, COLLECTD_CPU_STATE_INTERRUPT, (derive_t) atoll(fields[6]), now);
636 cpu_stage (cpu, COLLECTD_CPU_STATE_SOFTIRQ, (derive_t) atoll(fields[7]), now);
639 cpu_stage (cpu, COLLECTD_CPU_STATE_STEAL, (derive_t) atoll(fields[8]), now);
643 /* }}} #endif defined(KERNEL_LINUX) */
645 #elif defined(HAVE_LIBKSTAT) /* {{{ */
647 static cpu_stat_t cs;
652 for (cpu = 0; cpu < numcpu; cpu++)
654 if (kstat_read (kc, ksp[cpu], &cs) == -1)
655 continue; /* error message? */
657 cpu_stage (ksp[cpu]->ks_instance, COLLECTD_CPU_STATE_IDLE, (derive_t) cs.cpu_sysinfo.cpu[CPU_IDLE], now);
658 cpu_stage (ksp[cpu]->ks_instance, COLLECTD_CPU_STATE_USER, (derive_t) cs.cpu_sysinfo.cpu[CPU_USER], now);
659 cpu_stage (ksp[cpu]->ks_instance, COLLECTD_CPU_STATE_SYSTEM, (derive_t) cs.cpu_sysinfo.cpu[CPU_KERNEL], now);
660 cpu_stage (ksp[cpu]->ks_instance, COLLECTD_CPU_STATE_WAIT, (derive_t) cs.cpu_sysinfo.cpu[CPU_WAIT], now);
662 /* }}} #endif defined(HAVE_LIBKSTAT) */
664 #elif CAN_USE_SYSCTL /* {{{ */
665 uint64_t cpuinfo[numcpu][CPUSTATES];
672 ERROR ("cpu plugin: Could not determine number of "
673 "installed CPUs using sysctl(3).");
677 memset (cpuinfo, 0, sizeof (cpuinfo));
679 #if defined(KERN_CPTIME2)
681 for (i = 0; i < numcpu; i++) {
682 int mib[] = {CTL_KERN, KERN_CPTIME2, i};
684 cpuinfo_size = sizeof (cpuinfo[0]);
686 status = sysctl (mib, STATIC_ARRAY_SIZE (mib),
687 cpuinfo[i], &cpuinfo_size, NULL, 0);
690 ERROR ("cpu plugin: sysctl failed: %s.",
691 sstrerror (errno, errbuf, sizeof (errbuf)));
697 #endif /* defined(KERN_CPTIME2) */
699 int mib[] = {CTL_KERN, KERN_CPTIME};
700 long cpuinfo_tmp[CPUSTATES];
702 cpuinfo_size = sizeof(cpuinfo_tmp);
704 status = sysctl (mib, STATIC_ARRAY_SIZE (mib),
705 &cpuinfo_tmp, &cpuinfo_size, NULL, 0);
709 ERROR ("cpu plugin: sysctl failed: %s.",
710 sstrerror (errno, errbuf, sizeof (errbuf)));
714 for(i = 0; i < CPUSTATES; i++) {
715 cpuinfo[0][i] = cpuinfo_tmp[i];
719 for (i = 0; i < numcpu; i++) {
720 cpu_stage (i, COLLECTD_CPU_STATE_USER, (derive_t) cpuinfo[i][CP_USER], now);
721 cpu_stage (i, COLLECTD_CPU_STATE_NICE, (derive_t) cpuinfo[i][CP_NICE], now);
722 cpu_stage (i, COLLECTD_CPU_STATE_SYSTEM, (derive_t) cpuinfo[i][CP_SYS], now);
723 cpu_stage (i, COLLECTD_CPU_STATE_IDLE, (derive_t) cpuinfo[i][CP_IDLE], now);
724 cpu_stage (i, COLLECTD_CPU_STATE_INTERRUPT, (derive_t) cpuinfo[i][CP_INTR], now);
726 /* }}} #endif CAN_USE_SYSCTL */
728 #elif defined(HAVE_SYSCTLBYNAME) && defined(HAVE_SYSCTL_KERN_CP_TIMES) /* {{{ */
729 long cpuinfo[maxcpu][CPUSTATES];
733 memset (cpuinfo, 0, sizeof (cpuinfo));
735 cpuinfo_size = sizeof (cpuinfo);
736 if (sysctlbyname("kern.cp_times", &cpuinfo, &cpuinfo_size, NULL, 0) < 0)
739 ERROR ("cpu plugin: sysctlbyname failed: %s.",
740 sstrerror (errno, errbuf, sizeof (errbuf)));
744 for (i = 0; i < numcpu; i++) {
745 cpu_stage (i, COLLECTD_CPU_STATE_USER, (derive_t) cpuinfo[i][CP_USER], now);
746 cpu_stage (i, COLLECTD_CPU_STATE_NICE, (derive_t) cpuinfo[i][CP_NICE], now);
747 cpu_stage (i, COLLECTD_CPU_STATE_SYSTEM, (derive_t) cpuinfo[i][CP_SYS], now);
748 cpu_stage (i, COLLECTD_CPU_STATE_IDLE, (derive_t) cpuinfo[i][CP_IDLE], now);
749 cpu_stage (i, COLLECTD_CPU_STATE_INTERRUPT, (derive_t) cpuinfo[i][CP_INTR], now);
751 /* }}} #endif HAVE_SYSCTL_KERN_CP_TIMES */
753 #elif defined(HAVE_SYSCTLBYNAME) /* {{{ */
754 long cpuinfo[CPUSTATES];
757 cpuinfo_size = sizeof (cpuinfo);
759 if (sysctlbyname("kern.cp_time", &cpuinfo, &cpuinfo_size, NULL, 0) < 0)
762 ERROR ("cpu plugin: sysctlbyname failed: %s.",
763 sstrerror (errno, errbuf, sizeof (errbuf)));
767 cpu_stage (0, COLLECTD_CPU_STATE_USER, (derive_t) cpuinfo[CP_USER], now);
768 cpu_stage (0, COLLECTD_CPU_STATE_NICE, (derive_t) cpuinfo[CP_NICE], now);
769 cpu_stage (0, COLLECTD_CPU_STATE_SYSTEM, (derive_t) cpuinfo[CP_SYS], now);
770 cpu_stage (0, COLLECTD_CPU_STATE_IDLE, (derive_t) cpuinfo[CP_IDLE], now);
771 cpu_stage (0, COLLECTD_CPU_STATE_INTERRUPT, (derive_t) cpuinfo[CP_INTR], now);
772 /* }}} #endif HAVE_SYSCTLBYNAME */
774 #elif defined(HAVE_LIBSTATGRAB) /* {{{ */
776 cs = sg_get_cpu_stats ();
780 ERROR ("cpu plugin: sg_get_cpu_stats failed.");
784 cpu_state (0, COLLECTD_CPU_STATE_IDLE, (derive_t) cs->idle);
785 cpu_state (0, COLLECTD_CPU_STATE_NICE, (derive_t) cs->nice);
786 cpu_state (0, COLLECTD_CPU_STATE_SWAP, (derive_t) cs->swap);
787 cpu_state (0, COLLECTD_CPU_STATE_SYSTEM, (derive_t) cs->kernel);
788 cpu_state (0, COLLECTD_CPU_STATE_USER, (derive_t) cs->user);
789 cpu_state (0, COLLECTD_CPU_STATE_WAIT, (derive_t) cs->iowait);
790 /* }}} #endif HAVE_LIBSTATGRAB */
792 #elif defined(HAVE_PERFSTAT) /* {{{ */
796 numcpu = perfstat_cpu(NULL, NULL, sizeof(perfstat_cpu_t), 0);
800 WARNING ("cpu plugin: perfstat_cpu: %s",
801 sstrerror (errno, errbuf, sizeof (errbuf)));
805 if (pnumcpu != numcpu || perfcpu == NULL)
809 perfcpu = malloc(numcpu * sizeof(perfstat_cpu_t));
814 if ((cpus = perfstat_cpu(&id, perfcpu, sizeof(perfstat_cpu_t), numcpu)) < 0)
817 WARNING ("cpu plugin: perfstat_cpu: %s",
818 sstrerror (errno, errbuf, sizeof (errbuf)));
822 for (i = 0; i < cpus; i++)
824 cpu_stage (i, COLLECTD_CPU_STATE_IDLE, (derive_t) perfcpu[i].idle, now);
825 cpu_stage (i, COLLECTD_CPU_STATE_SYSTEM, (derive_t) perfcpu[i].sys, now);
826 cpu_stage (i, COLLECTD_CPU_STATE_USER, (derive_t) perfcpu[i].user, now);
827 cpu_stage (i, COLLECTD_CPU_STATE_WAIT, (derive_t) perfcpu[i].wait, now);
829 #endif /* }}} HAVE_PERFSTAT */
836 void module_register (void)
838 plugin_register_init ("cpu", init);
839 plugin_register_config ("cpu", cpu_config, config_keys, config_keys_num);
840 plugin_register_read ("cpu", cpu_read);
841 } /* void module_register */
843 /* vim: set sw=8 sts=8 noet fdm=marker : */