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diff --git a/src/cpu.c b/src/cpu.c
--- /dev/null
+++ b/src/cpu.c
@@ -0,0 +1,843 @@
+/**
+ * collectd - src/cpu.c
+ * Copyright (C) 2005-2014 Florian octo Forster
+ * Copyright (C) 2008 Oleg King
+ * Copyright (C) 2009 Simon Kuhnle
+ * Copyright (C) 2009 Manuel Sanmartin
+ * Copyright (C) 2013-2014 Pierre-Yves Ritschard
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; only version 2 of the License is applicable.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Authors:
+ * Florian octo Forster <octo at collectd.org>
+ * Oleg King <king2 at kaluga.ru>
+ * Simon Kuhnle <simon at blarzwurst.de>
+ * Manuel Sanmartin
+ * Pierre-Yves Ritschard <pyr at spootnik.org>
+ **/
+
+#include "collectd.h"
+#include "common.h"
+#include "plugin.h"
+
+#ifdef HAVE_MACH_KERN_RETURN_H
+# include <mach/kern_return.h>
+#endif
+#ifdef HAVE_MACH_MACH_INIT_H
+# include <mach/mach_init.h>
+#endif
+#ifdef HAVE_MACH_HOST_PRIV_H
+# include <mach/host_priv.h>
+#endif
+#if HAVE_MACH_MACH_ERROR_H
+# include <mach/mach_error.h>
+#endif
+#ifdef HAVE_MACH_PROCESSOR_INFO_H
+# include <mach/processor_info.h>
+#endif
+#ifdef HAVE_MACH_PROCESSOR_H
+# include <mach/processor.h>
+#endif
+#ifdef HAVE_MACH_VM_MAP_H
+# include <mach/vm_map.h>
+#endif
+
+#ifdef HAVE_LIBKSTAT
+# include <sys/sysinfo.h>
+#endif /* HAVE_LIBKSTAT */
+
+#if (defined(HAVE_SYSCTL) && HAVE_SYSCTL) \
+ || (defined(HAVE_SYSCTLBYNAME) && HAVE_SYSCTLBYNAME)
+# ifdef HAVE_SYS_SYSCTL_H
+# include <sys/sysctl.h>
+# endif
+
+# ifdef HAVE_SYS_DKSTAT_H
+# include <sys/dkstat.h>
+# endif
+
+# if !defined(CP_USER) || !defined(CP_NICE) || !defined(CP_SYS) || !defined(CP_INTR) || !defined(CP_IDLE) || !defined(CPUSTATES)
+# define CP_USER 0
+# define CP_NICE 1
+# define CP_SYS 2
+# define CP_INTR 3
+# define CP_IDLE 4
+# define CPUSTATES 5
+# endif
+#endif /* HAVE_SYSCTL || HAVE_SYSCTLBYNAME */
+
+#if HAVE_SYSCTL
+# if defined(CTL_HW) && defined(HW_NCPU) \
+ && defined(CTL_KERN) && defined(KERN_CPTIME) && defined(CPUSTATES)
+# define CAN_USE_SYSCTL 1
+# else
+# define CAN_USE_SYSCTL 0
+# endif
+#else
+# define CAN_USE_SYSCTL 0
+#endif
+
+#define COLLECTD_CPU_STATE_USER 0
+#define COLLECTD_CPU_STATE_SYSTEM 1
+#define COLLECTD_CPU_STATE_WAIT 2
+#define COLLECTD_CPU_STATE_NICE 3
+#define COLLECTD_CPU_STATE_SWAP 4
+#define COLLECTD_CPU_STATE_INTERRUPT 5
+#define COLLECTD_CPU_STATE_SOFTIRQ 6
+#define COLLECTD_CPU_STATE_STEAL 7
+#define COLLECTD_CPU_STATE_IDLE 8
+#define COLLECTD_CPU_STATE_ACTIVE 9 /* sum of (!idle) */
+#define COLLECTD_CPU_STATE_MAX 10 /* #states */
+
+#if HAVE_STATGRAB_H
+# include <statgrab.h>
+#endif
+
+# ifdef HAVE_PERFSTAT
+# include <sys/protosw.h>
+# include <libperfstat.h>
+# endif /* HAVE_PERFSTAT */
+
+#if !PROCESSOR_CPU_LOAD_INFO && !KERNEL_LINUX && !HAVE_LIBKSTAT \
+ && !CAN_USE_SYSCTL && !HAVE_SYSCTLBYNAME && !HAVE_LIBSTATGRAB && !HAVE_PERFSTAT
+# error "No applicable input method."
+#endif
+
+static const char *cpu_state_names[] = {
+ "user",
+ "system",
+ "wait",
+ "nice",
+ "swap",
+ "interrupt",
+ "softirq",
+ "steal",
+ "idle",
+ "active"
+};
+
+#ifdef PROCESSOR_CPU_LOAD_INFO
+static mach_port_t port_host;
+static processor_port_array_t cpu_list;
+static mach_msg_type_number_t cpu_list_len;
+/* #endif PROCESSOR_CPU_LOAD_INFO */
+
+#elif defined(KERNEL_LINUX)
+/* no variables needed */
+/* #endif KERNEL_LINUX */
+
+#elif defined(HAVE_LIBKSTAT)
+/* colleague tells me that Sun doesn't sell systems with more than 100 or so CPUs.. */
+# define MAX_NUMCPU 256
+extern kstat_ctl_t *kc;
+static kstat_t *ksp[MAX_NUMCPU];
+static int numcpu;
+/* #endif HAVE_LIBKSTAT */
+
+#elif CAN_USE_SYSCTL
+static int numcpu;
+/* #endif CAN_USE_SYSCTL */
+
+#elif defined(HAVE_SYSCTLBYNAME)
+static int numcpu;
+# ifdef HAVE_SYSCTL_KERN_CP_TIMES
+static int maxcpu;
+# endif /* HAVE_SYSCTL_KERN_CP_TIMES */
+/* #endif HAVE_SYSCTLBYNAME */
+
+#elif defined(HAVE_LIBSTATGRAB)
+/* no variables needed */
+/* #endif HAVE_LIBSTATGRAB */
+
+#elif defined(HAVE_PERFSTAT)
+static perfstat_cpu_t *perfcpu;
+static int numcpu;
+static int pnumcpu;
+#endif /* HAVE_PERFSTAT */
+
+#define RATE_ADD(sum, val) do { \
+ if (isnan (sum)) \
+ (sum) = (val); \
+ else if (!isnan (val)) \
+ (sum) += (val); \
+} while (0)
+
+struct cpu_state_s
+{
+ value_to_rate_state_t conv;
+ gauge_t rate;
+ _Bool has_value;
+};
+typedef struct cpu_state_s cpu_state_t;
+
+static cpu_state_t *cpu_states = NULL;
+static size_t cpu_states_num = 0; /* #cpu_states allocated */
+
+/* Highest CPU number in the current iteration. Used by the dispatch logic to
+ * determine how many CPUs there were. Reset to 0 by cpu_reset(). */
+static size_t global_cpu_num = 0;
+
+static _Bool report_by_cpu = 1;
+static _Bool report_by_state = 1;
+static _Bool report_percent = 0;
+
+static const char *config_keys[] =
+{
+ "ReportByCpu",
+ "ReportByState",
+ "ValuesPercentage"
+};
+static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
+
+static int cpu_config (char const *key, char const *value) /* {{{ */
+{
+ if (strcasecmp (key, "ReportByCpu") == 0)
+ report_by_cpu = IS_TRUE (value) ? 1 : 0;
+ else if (strcasecmp (key, "ValuesPercentage") == 0)
+ report_percent = IS_TRUE (value) ? 1 : 0;
+ else if (strcasecmp (key, "ReportByState") == 0)
+ report_by_state = IS_TRUE (value) ? 1 : 0;
+ else
+ return (-1);
+
+ return (0);
+} /* }}} int cpu_config */
+
+static int init (void)
+{
+#if PROCESSOR_CPU_LOAD_INFO
+ kern_return_t status;
+
+ port_host = mach_host_self ();
+
+ /* FIXME: Free `cpu_list' if it's not NULL */
+ if ((status = host_processors (port_host, &cpu_list, &cpu_list_len)) != KERN_SUCCESS)
+ {
+ ERROR ("cpu plugin: host_processors returned %i", (int) status);
+ cpu_list_len = 0;
+ return (-1);
+ }
+
+ DEBUG ("host_processors returned %i %s", (int) cpu_list_len, cpu_list_len == 1 ? "processor" : "processors");
+ INFO ("cpu plugin: Found %i processor%s.", (int) cpu_list_len, cpu_list_len == 1 ? "" : "s");
+/* #endif PROCESSOR_CPU_LOAD_INFO */
+
+#elif defined(HAVE_LIBKSTAT)
+ kstat_t *ksp_chain;
+
+ numcpu = 0;
+
+ if (kc == NULL)
+ return (-1);
+
+ /* Solaris doesn't count linear.. *sigh* */
+ for (numcpu = 0, ksp_chain = kc->kc_chain;
+ (numcpu < MAX_NUMCPU) && (ksp_chain != NULL);
+ ksp_chain = ksp_chain->ks_next)
+ if (strncmp (ksp_chain->ks_module, "cpu_stat", 8) == 0)
+ ksp[numcpu++] = ksp_chain;
+/* #endif HAVE_LIBKSTAT */
+
+#elif CAN_USE_SYSCTL
+ size_t numcpu_size;
+ int mib[2] = {CTL_HW, HW_NCPU};
+ int status;
+
+ numcpu = 0;
+ numcpu_size = sizeof (numcpu);
+
+ status = sysctl (mib, STATIC_ARRAY_SIZE (mib),
+ &numcpu, &numcpu_size, NULL, 0);
+ if (status == -1)
+ {
+ char errbuf[1024];
+ WARNING ("cpu plugin: sysctl: %s",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ return (-1);
+ }
+/* #endif CAN_USE_SYSCTL */
+
+#elif defined (HAVE_SYSCTLBYNAME)
+ size_t numcpu_size;
+
+ numcpu_size = sizeof (numcpu);
+
+ if (sysctlbyname ("hw.ncpu", &numcpu, &numcpu_size, NULL, 0) < 0)
+ {
+ char errbuf[1024];
+ WARNING ("cpu plugin: sysctlbyname(hw.ncpu): %s",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ return (-1);
+ }
+
+#ifdef HAVE_SYSCTL_KERN_CP_TIMES
+ numcpu_size = sizeof (maxcpu);
+
+ if (sysctlbyname("kern.smp.maxcpus", &maxcpu, &numcpu_size, NULL, 0) < 0)
+ {
+ char errbuf[1024];
+ WARNING ("cpu plugin: sysctlbyname(kern.smp.maxcpus): %s",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ return (-1);
+ }
+#else
+ if (numcpu != 1)
+ NOTICE ("cpu: Only one processor supported when using `sysctlbyname' (found %i)", numcpu);
+#endif
+/* #endif HAVE_SYSCTLBYNAME */
+
+#elif defined(HAVE_LIBSTATGRAB)
+ /* nothing to initialize */
+/* #endif HAVE_LIBSTATGRAB */
+
+#elif defined(HAVE_PERFSTAT)
+ /* nothing to initialize */
+#endif /* HAVE_PERFSTAT */
+
+ return (0);
+} /* int init */
+
+static void submit_value (int cpu_num, int cpu_state, const char *type, value_t value)
+{
+ value_t values[1];
+ value_list_t vl = VALUE_LIST_INIT;
+
+ memcpy(&values[0], &value, sizeof(value));
+
+ vl.values = values;
+ vl.values_len = 1;
+
+ sstrncpy (vl.host, hostname_g, sizeof (vl.host));
+ sstrncpy (vl.plugin, "cpu", sizeof (vl.plugin));
+ sstrncpy (vl.type, type, sizeof (vl.type));
+ sstrncpy (vl.type_instance, cpu_state_names[cpu_state],
+ sizeof (vl.type_instance));
+
+ if (cpu_num >= 0) {
+ ssnprintf (vl.plugin_instance, sizeof (vl.plugin_instance),
+ "%i", cpu_num);
+ }
+ plugin_dispatch_values (&vl);
+}
+
+static void submit_percent(int cpu_num, int cpu_state, gauge_t percent)
+{
+ value_t value;
+
+ /* This function is called for all known CPU states, but each read
+ * method will only report a subset. The remaining states are left as
+ * NAN and we ignore them here. */
+ if (isnan (percent))
+ return;
+
+ value.gauge = percent;
+ submit_value (cpu_num, cpu_state, "percent", value);
+}
+
+static void submit_derive(int cpu_num, int cpu_state, derive_t derive)
+{
+ value_t value;
+
+ value.derive = derive;
+ submit_value (cpu_num, cpu_state, "cpu", value);
+}
+
+/* Takes the zero-index number of a CPU and makes sure that the module-global
+ * cpu_states buffer is large enough. Returne ENOMEM on erorr. */
+static int cpu_states_alloc (size_t cpu_num) /* {{{ */
+{
+ cpu_state_t *tmp;
+ size_t sz;
+
+ sz = (((size_t) cpu_num) + 1) * COLLECTD_CPU_STATE_MAX;
+ assert (sz > 0);
+
+ /* We already have enough space. */
+ if (cpu_states_num >= sz)
+ return 0;
+
+ tmp = realloc (cpu_states, sz * sizeof (*cpu_states));
+ if (tmp == NULL)
+ {
+ ERROR ("cpu plugin: realloc failed.");
+ return (ENOMEM);
+ }
+ cpu_states = tmp;
+ tmp = cpu_states + cpu_states_num;
+
+ memset (tmp, 0, (sz - cpu_states_num) * sizeof (*cpu_states));
+ cpu_states_num = sz;
+ return 0;
+} /* }}} cpu_states_alloc */
+
+static cpu_state_t *get_cpu_state (size_t cpu_num, size_t state) /* {{{ */
+{
+ size_t index = ((cpu_num * COLLECTD_CPU_STATE_MAX) + state);
+
+ if (index >= cpu_states_num)
+ return (NULL);
+
+ return (&cpu_states[index]);
+} /* }}} cpu_state_t *get_cpu_state */
+
+/* Populates the per-CPU COLLECTD_CPU_STATE_ACTIVE rate and the global rate_by_state
+ * array. */
+static void aggregate (gauge_t *sum_by_state) /* {{{ */
+{
+ size_t cpu_num;
+ size_t state;
+
+ for (state = 0; state < COLLECTD_CPU_STATE_MAX; state++)
+ sum_by_state[state] = NAN;
+
+ for (cpu_num = 0; cpu_num < global_cpu_num; cpu_num++)
+ {
+ cpu_state_t *this_cpu_states = get_cpu_state (cpu_num, 0);
+
+ this_cpu_states[COLLECTD_CPU_STATE_ACTIVE].rate = NAN;
+
+ for (state = 0; state < COLLECTD_CPU_STATE_ACTIVE; state++)
+ {
+ if (!this_cpu_states[state].has_value)
+ continue;
+
+ RATE_ADD (sum_by_state[state], this_cpu_states[state].rate);
+ if (state != COLLECTD_CPU_STATE_IDLE)
+ RATE_ADD (this_cpu_states[COLLECTD_CPU_STATE_ACTIVE].rate, this_cpu_states[state].rate);
+ }
+
+ if (!isnan (this_cpu_states[COLLECTD_CPU_STATE_ACTIVE].rate))
+ this_cpu_states[COLLECTD_CPU_STATE_ACTIVE].has_value = 1;
+
+ RATE_ADD (sum_by_state[COLLECTD_CPU_STATE_ACTIVE], this_cpu_states[COLLECTD_CPU_STATE_ACTIVE].rate);
+ }
+} /* }}} void aggregate */
+
+/* Commits (dispatches) the values for one CPU or the global aggregation.
+ * cpu_num is the index of the CPU to be committed or -1 in case of the global
+ * aggregation. rates is a pointer to COLLECTD_CPU_STATE_MAX gauge_t values holding the
+ * current rate; each rate may be NAN. Calculates the percentage of each state
+ * and dispatches the metric. */
+static void cpu_commit_one (int cpu_num, /* {{{ */
+ gauge_t rates[static COLLECTD_CPU_STATE_MAX])
+{
+ size_t state;
+ gauge_t sum;
+
+ sum = rates[COLLECTD_CPU_STATE_ACTIVE];
+ RATE_ADD (sum, rates[COLLECTD_CPU_STATE_IDLE]);
+
+ if (!report_by_state)
+ {
+ gauge_t percent = 100.0 * rates[COLLECTD_CPU_STATE_ACTIVE] / sum;
+ submit_percent (cpu_num, COLLECTD_CPU_STATE_ACTIVE, percent);
+ return;
+ }
+
+ for (state = 0; state < COLLECTD_CPU_STATE_ACTIVE; state++)
+ {
+ gauge_t percent = 100.0 * rates[state] / sum;
+ submit_percent (cpu_num, state, percent);
+ }
+} /* }}} void cpu_commit_one */
+
+/* Resets the internal aggregation. This is called by the read callback after
+ * each iteration / after each call to cpu_commit(). */
+static void cpu_reset (void) /* {{{ */
+{
+ size_t i;
+
+ for (i = 0; i < cpu_states_num; i++)
+ cpu_states[i].has_value = 0;
+
+ global_cpu_num = 0;
+} /* }}} void cpu_reset */
+
+/* Legacy behavior: Dispatches the raw derive values without any aggregation. */
+static void cpu_commit_without_aggregation (void) /* {{{ */
+{
+ int state;
+
+ for (state = 0; state < COLLECTD_CPU_STATE_ACTIVE; state++)
+ {
+ size_t cpu_num;
+
+ for (cpu_num = 0; cpu_num < global_cpu_num; cpu_num++)
+ {
+ cpu_state_t *s = get_cpu_state (cpu_num, state);
+
+ if (!s->has_value)
+ continue;
+
+ submit_derive ((int) cpu_num, (int) state, s->conv.last_value.derive);
+ }
+ }
+} /* }}} void cpu_commit_without_aggregation */
+
+/* Aggregates the internal state and dispatches the metrics. */
+static void cpu_commit (void) /* {{{ */
+{
+ gauge_t global_rates[COLLECTD_CPU_STATE_MAX] = {
+ NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN /* Batman! */
+ };
+ size_t cpu_num;
+
+ if (report_by_state && report_by_cpu && !report_percent)
+ {
+ cpu_commit_without_aggregation ();
+ return;
+ }
+
+ aggregate (global_rates);
+
+ if (!report_by_cpu)
+ {
+ cpu_commit_one (-1, global_rates);
+ return;
+ }
+
+ for (cpu_num = 0; cpu_num < global_cpu_num; cpu_num++)
+ {
+ cpu_state_t *this_cpu_states = get_cpu_state (cpu_num, 0);
+ gauge_t local_rates[COLLECTD_CPU_STATE_MAX] = {
+ NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN
+ };
+ size_t state;
+
+ for (state = 0; state < COLLECTD_CPU_STATE_MAX; state++)
+ if (this_cpu_states[state].has_value)
+ local_rates[state] = this_cpu_states[state].rate;
+
+ cpu_commit_one ((int) cpu_num, local_rates);
+ }
+} /* }}} void cpu_commit */
+
+/* Adds a derive value to the internal state. This should be used by each read
+ * function for each state. At the end of the iteration, the read function
+ * should call cpu_commit(). */
+static int cpu_stage (size_t cpu_num, size_t state, derive_t value, cdtime_t now) /* {{{ */
+{
+ int status;
+ cpu_state_t *s;
+ value_t v;
+
+ if (state >= COLLECTD_CPU_STATE_ACTIVE)
+ return (EINVAL);
+
+ status = cpu_states_alloc (cpu_num);
+ if (status != 0)
+ return (status);
+
+ if (global_cpu_num <= cpu_num)
+ global_cpu_num = cpu_num + 1;
+
+ s = get_cpu_state (cpu_num, state);
+
+ v.gauge = NAN;
+ status = value_to_rate (&v, value, &s->conv, DS_TYPE_DERIVE, now);
+ if (status != 0)
+ return (status);
+
+ s->rate = v.gauge;
+ s->has_value = 1;
+ return (0);
+} /* }}} int cpu_stage */
+
+static int cpu_read (void)
+{
+ cdtime_t now = cdtime ();
+
+#if PROCESSOR_CPU_LOAD_INFO /* {{{ */
+ int cpu;
+
+ kern_return_t status;
+
+ processor_cpu_load_info_data_t cpu_info;
+ mach_msg_type_number_t cpu_info_len;
+
+ host_t cpu_host;
+
+ for (cpu = 0; cpu < cpu_list_len; cpu++)
+ {
+ cpu_host = 0;
+ cpu_info_len = PROCESSOR_BASIC_INFO_COUNT;
+
+ status = processor_info (cpu_list[cpu], PROCESSOR_CPU_LOAD_INFO, &cpu_host,
+ (processor_info_t) &cpu_info, &cpu_info_len);
+ if (status != KERN_SUCCESS)
+ {
+ ERROR ("cpu plugin: processor_info (PROCESSOR_CPU_LOAD_INFO) failed: %s",
+ mach_error_string (status));
+ continue;
+ }
+
+ if (cpu_info_len < COLLECTD_CPU_STATE_MAX)
+ {
+ ERROR ("cpu plugin: processor_info returned only %i elements..", cpu_info_len);
+ continue;
+ }
+
+ cpu_stage (cpu, COLLECTD_CPU_STATE_USER, (derive_t) cpu_info.cpu_ticks[COLLECTD_CPU_STATE_USER], now);
+ cpu_stage (cpu, COLLECTD_CPU_STATE_NICE, (derive_t) cpu_info.cpu_ticks[COLLECTD_CPU_STATE_NICE], now);
+ cpu_stage (cpu, COLLECTD_CPU_STATE_SYSTEM, (derive_t) cpu_info.cpu_ticks[COLLECTD_CPU_STATE_SYSTEM], now);
+ cpu_stage (cpu, COLLECTD_CPU_STATE_IDLE, (derive_t) cpu_info.cpu_ticks[COLLECTD_CPU_STATE_IDLE], now);
+ }
+/* }}} #endif PROCESSOR_CPU_LOAD_INFO */
+
+#elif defined(KERNEL_LINUX) /* {{{ */
+ int cpu;
+ FILE *fh;
+ char buf[1024];
+
+ char *fields[9];
+ int numfields;
+
+ if ((fh = fopen ("/proc/stat", "r")) == NULL)
+ {
+ char errbuf[1024];
+ ERROR ("cpu plugin: fopen (/proc/stat) failed: %s",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ return (-1);
+ }
+
+ while (fgets (buf, 1024, fh) != NULL)
+ {
+ if (strncmp (buf, "cpu", 3))
+ continue;
+ if ((buf[3] < '0') || (buf[3] > '9'))
+ continue;
+
+ numfields = strsplit (buf, fields, 9);
+ if (numfields < 5)
+ continue;
+
+ cpu = atoi (fields[0] + 3);
+
+ cpu_stage (cpu, COLLECTD_CPU_STATE_USER, (derive_t) atoll(fields[1]), now);
+ cpu_stage (cpu, COLLECTD_CPU_STATE_NICE, (derive_t) atoll(fields[2]), now);
+ cpu_stage (cpu, COLLECTD_CPU_STATE_SYSTEM, (derive_t) atoll(fields[3]), now);
+ cpu_stage (cpu, COLLECTD_CPU_STATE_IDLE, (derive_t) atoll(fields[4]), now);
+
+ if (numfields >= 8)
+ {
+ cpu_stage (cpu, COLLECTD_CPU_STATE_WAIT, (derive_t) atoll(fields[5]), now);
+ cpu_stage (cpu, COLLECTD_CPU_STATE_INTERRUPT, (derive_t) atoll(fields[6]), now);
+ cpu_stage (cpu, COLLECTD_CPU_STATE_SOFTIRQ, (derive_t) atoll(fields[7]), now);
+
+ if (numfields >= 9)
+ cpu_stage (cpu, COLLECTD_CPU_STATE_STEAL, (derive_t) atoll(fields[8]), now);
+ }
+ }
+ fclose (fh);
+/* }}} #endif defined(KERNEL_LINUX) */
+
+#elif defined(HAVE_LIBKSTAT) /* {{{ */
+ int cpu;
+ static cpu_stat_t cs;
+
+ if (kc == NULL)
+ return (-1);
+
+ for (cpu = 0; cpu < numcpu; cpu++)
+ {
+ if (kstat_read (kc, ksp[cpu], &cs) == -1)
+ continue; /* error message? */
+
+ cpu_stage (ksp[cpu]->ks_instance, COLLECTD_CPU_STATE_IDLE, (derive_t) cs.cpu_sysinfo.cpu[CPU_IDLE], now);
+ cpu_stage (ksp[cpu]->ks_instance, COLLECTD_CPU_STATE_USER, (derive_t) cs.cpu_sysinfo.cpu[CPU_USER], now);
+ cpu_stage (ksp[cpu]->ks_instance, COLLECTD_CPU_STATE_SYSTEM, (derive_t) cs.cpu_sysinfo.cpu[CPU_KERNEL], now);
+ cpu_stage (ksp[cpu]->ks_instance, COLLECTD_CPU_STATE_WAIT, (derive_t) cs.cpu_sysinfo.cpu[CPU_WAIT], now);
+ }
+/* }}} #endif defined(HAVE_LIBKSTAT) */
+
+#elif CAN_USE_SYSCTL /* {{{ */
+ uint64_t cpuinfo[numcpu][CPUSTATES];
+ size_t cpuinfo_size;
+ int status;
+ int i;
+
+ if (numcpu < 1)
+ {
+ ERROR ("cpu plugin: Could not determine number of "
+ "installed CPUs using sysctl(3).");
+ return (-1);
+ }
+
+ memset (cpuinfo, 0, sizeof (cpuinfo));
+
+#if defined(KERN_CPTIME2)
+ if (numcpu > 1) {
+ for (i = 0; i < numcpu; i++) {
+ int mib[] = {CTL_KERN, KERN_CPTIME2, i};
+
+ cpuinfo_size = sizeof (cpuinfo[0]);
+
+ status = sysctl (mib, STATIC_ARRAY_SIZE (mib),
+ cpuinfo[i], &cpuinfo_size, NULL, 0);
+ if (status == -1) {
+ char errbuf[1024];
+ ERROR ("cpu plugin: sysctl failed: %s.",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ return (-1);
+ }
+ }
+ }
+ else
+#endif /* defined(KERN_CPTIME2) */
+ {
+ int mib[] = {CTL_KERN, KERN_CPTIME};
+ long cpuinfo_tmp[CPUSTATES];
+
+ cpuinfo_size = sizeof(cpuinfo_tmp);
+
+ status = sysctl (mib, STATIC_ARRAY_SIZE (mib),
+ &cpuinfo_tmp, &cpuinfo_size, NULL, 0);
+ if (status == -1)
+ {
+ char errbuf[1024];
+ ERROR ("cpu plugin: sysctl failed: %s.",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ return (-1);
+ }
+
+ for(i = 0; i < CPUSTATES; i++) {
+ cpuinfo[0][i] = cpuinfo_tmp[i];
+ }
+ }
+
+ for (i = 0; i < numcpu; i++) {
+ cpu_stage (i, COLLECTD_CPU_STATE_USER, (derive_t) cpuinfo[i][CP_USER], now);
+ cpu_stage (i, COLLECTD_CPU_STATE_NICE, (derive_t) cpuinfo[i][CP_NICE], now);
+ cpu_stage (i, COLLECTD_CPU_STATE_SYSTEM, (derive_t) cpuinfo[i][CP_SYS], now);
+ cpu_stage (i, COLLECTD_CPU_STATE_IDLE, (derive_t) cpuinfo[i][CP_IDLE], now);
+ cpu_stage (i, COLLECTD_CPU_STATE_INTERRUPT, (derive_t) cpuinfo[i][CP_INTR], now);
+ }
+/* }}} #endif CAN_USE_SYSCTL */
+
+#elif defined(HAVE_SYSCTLBYNAME) && defined(HAVE_SYSCTL_KERN_CP_TIMES) /* {{{ */
+ long cpuinfo[maxcpu][CPUSTATES];
+ size_t cpuinfo_size;
+ int i;
+
+ memset (cpuinfo, 0, sizeof (cpuinfo));
+
+ cpuinfo_size = sizeof (cpuinfo);
+ if (sysctlbyname("kern.cp_times", &cpuinfo, &cpuinfo_size, NULL, 0) < 0)
+ {
+ char errbuf[1024];
+ ERROR ("cpu plugin: sysctlbyname failed: %s.",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ return (-1);
+ }
+
+ for (i = 0; i < numcpu; i++) {
+ cpu_stage (i, COLLECTD_CPU_STATE_USER, (derive_t) cpuinfo[i][CP_USER], now);
+ cpu_stage (i, COLLECTD_CPU_STATE_NICE, (derive_t) cpuinfo[i][CP_NICE], now);
+ cpu_stage (i, COLLECTD_CPU_STATE_SYSTEM, (derive_t) cpuinfo[i][CP_SYS], now);
+ cpu_stage (i, COLLECTD_CPU_STATE_IDLE, (derive_t) cpuinfo[i][CP_IDLE], now);
+ cpu_stage (i, COLLECTD_CPU_STATE_INTERRUPT, (derive_t) cpuinfo[i][CP_INTR], now);
+ }
+/* }}} #endif HAVE_SYSCTL_KERN_CP_TIMES */
+
+#elif defined(HAVE_SYSCTLBYNAME) /* {{{ */
+ long cpuinfo[CPUSTATES];
+ size_t cpuinfo_size;
+
+ cpuinfo_size = sizeof (cpuinfo);
+
+ if (sysctlbyname("kern.cp_time", &cpuinfo, &cpuinfo_size, NULL, 0) < 0)
+ {
+ char errbuf[1024];
+ ERROR ("cpu plugin: sysctlbyname failed: %s.",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ return (-1);
+ }
+
+ cpu_stage (0, COLLECTD_CPU_STATE_USER, (derive_t) cpuinfo[CP_USER], now);
+ cpu_stage (0, COLLECTD_CPU_STATE_NICE, (derive_t) cpuinfo[CP_NICE], now);
+ cpu_stage (0, COLLECTD_CPU_STATE_SYSTEM, (derive_t) cpuinfo[CP_SYS], now);
+ cpu_stage (0, COLLECTD_CPU_STATE_IDLE, (derive_t) cpuinfo[CP_IDLE], now);
+ cpu_stage (0, COLLECTD_CPU_STATE_INTERRUPT, (derive_t) cpuinfo[CP_INTR], now);
+/* }}} #endif HAVE_SYSCTLBYNAME */
+
+#elif defined(HAVE_LIBSTATGRAB) /* {{{ */
+ sg_cpu_stats *cs;
+ cs = sg_get_cpu_stats ();
+
+ if (cs == NULL)
+ {
+ ERROR ("cpu plugin: sg_get_cpu_stats failed.");
+ return (-1);
+ }
+
+ cpu_state (0, COLLECTD_CPU_STATE_IDLE, (derive_t) cs->idle);
+ cpu_state (0, COLLECTD_CPU_STATE_NICE, (derive_t) cs->nice);
+ cpu_state (0, COLLECTD_CPU_STATE_SWAP, (derive_t) cs->swap);
+ cpu_state (0, COLLECTD_CPU_STATE_SYSTEM, (derive_t) cs->kernel);
+ cpu_state (0, COLLECTD_CPU_STATE_USER, (derive_t) cs->user);
+ cpu_state (0, COLLECTD_CPU_STATE_WAIT, (derive_t) cs->iowait);
+/* }}} #endif HAVE_LIBSTATGRAB */
+
+#elif defined(HAVE_PERFSTAT) /* {{{ */
+ perfstat_id_t id;
+ int i, cpus;
+
+ numcpu = perfstat_cpu(NULL, NULL, sizeof(perfstat_cpu_t), 0);
+ if(numcpu == -1)
+ {
+ char errbuf[1024];
+ WARNING ("cpu plugin: perfstat_cpu: %s",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ return (-1);
+ }
+
+ if (pnumcpu != numcpu || perfcpu == NULL)
+ {
+ if (perfcpu != NULL)
+ free(perfcpu);
+ perfcpu = malloc(numcpu * sizeof(perfstat_cpu_t));
+ }
+ pnumcpu = numcpu;
+
+ id.name[0] = '\0';
+ if ((cpus = perfstat_cpu(&id, perfcpu, sizeof(perfstat_cpu_t), numcpu)) < 0)
+ {
+ char errbuf[1024];
+ WARNING ("cpu plugin: perfstat_cpu: %s",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ return (-1);
+ }
+
+ for (i = 0; i < cpus; i++)
+ {
+ cpu_stage (i, COLLECTD_CPU_STATE_IDLE, (derive_t) perfcpu[i].idle, now);
+ cpu_stage (i, COLLECTD_CPU_STATE_SYSTEM, (derive_t) perfcpu[i].sys, now);
+ cpu_stage (i, COLLECTD_CPU_STATE_USER, (derive_t) perfcpu[i].user, now);
+ cpu_stage (i, COLLECTD_CPU_STATE_WAIT, (derive_t) perfcpu[i].wait, now);
+ }
+#endif /* }}} HAVE_PERFSTAT */
+
+ cpu_commit ();
+ cpu_reset ();
+ return (0);
+}
+
+void module_register (void)
+{
+ plugin_register_init ("cpu", init);
+ plugin_register_config ("cpu", cpu_config, config_keys, config_keys_num);
+ plugin_register_read ("cpu", cpu_read);
+} /* void module_register */
+
+/* vim: set sw=8 sts=8 noet fdm=marker : */