/**
* collectd - src/cpu.c
* Copyright (C) 2005-2010 Florian octo Forster
- * Copyright (C) 2008 Oleg King
- * Copyright (C) 2009 Simon Kuhnle
- * Copyright (C) 2009 Manuel Sanmartin
+ * Copyright (C) 2008 Oleg King
+ * Copyright (C) 2009 Simon Kuhnle
+ * Copyright (C) 2009 Manuel Sanmartin
*
* 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
*
* 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
+ * 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
# define CAN_USE_SYSCTL 0
#endif
+#define CPU_SUBMIT_USER 0
+#define CPU_SUBMIT_SYSTEM 1
+#define CPU_SUBMIT_WAIT 2
+#define CPU_SUBMIT_NICE 3
+#define CPU_SUBMIT_SWAP 4
+#define CPU_SUBMIT_INTERRUPT 5
+#define CPU_SUBMIT_SOFTIRQ 6
+#define CPU_SUBMIT_STEAL 7
+#define CPU_SUBMIT_IDLE 8
+#define CPU_SUBMIT_ACTIVE 9
+#define CPU_SUBMIT_MAX 10
+
#if HAVE_STATGRAB_H
# include <statgrab.h>
#endif
# 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;
#if PROCESSOR_TEMPERATURE
static int cpu_temp_retry_counter = 0;
-static int cpu_temp_retry_step = 1;
-static int cpu_temp_retry_max = 1;
+static int cpu_temp_retry_step = 1;
+static int cpu_temp_retry_max = 1;
#endif /* PROCESSOR_TEMPERATURE */
/* #endif PROCESSOR_CPU_LOAD_INFO */
static int pnumcpu;
#endif /* HAVE_PERFSTAT */
+static value_to_rate_state_t *percents = NULL;
+static gauge_t agg_percents[CPU_SUBMIT_MAX] = {
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+
+};
+static int percents_cells = 0;
+static int cpu_count = 0;
+
+
+static _Bool report_by_cpu = 1;
+static _Bool report_percent = 0;
+static _Bool report_active = 0;
+
+static const char *config_keys[] =
+{
+ "ReportByCpu",
+ "ReportActive",
+ "ValuesPercentage"
+};
+static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
+
+
+static int cpu_config (const char *key, const char *value)
+{
+ if (strcasecmp (key, "ReportByCpu") == 0) {
+ report_by_cpu = IS_TRUE (value) ? 1 : 0;
+ if (!report_by_cpu)
+ report_percent = 1;
+ }
+ if (strcasecmp (key, "ValuesPercentage") == 0) {
+ report_percent = IS_TRUE (value) ? 1 : 0;
+ if (!report_percent)
+ report_by_cpu = 1;
+ }
+ if (strcasecmp (key, "ReportActive") == 0)
+ report_active = IS_TRUE (value) ? 1 : 0;
+ return (-1);
+}
+
+static int cpu_states_grow (void)
+{
+ void *tmp;
+ int size;
+ int i;
+
+ size = cpu_count * CPU_SUBMIT_MAX; /* always alloc for all states */
+
+ if (size <= 0)
+ return 0;
+
+ if (percents_cells >= size)
+ return 0;
+
+ if (percents == NULL) {
+ percents = malloc(size * sizeof(*percents));
+ if (percents == NULL)
+ return -1;
+ for (i = 0; i < size; i++)
+ memset(&percents[i], 0, sizeof(*percents));
+ percents_cells = size;
+ return 0;
+ }
+
+ tmp = realloc(percents, size * sizeof(*percents));
+
+ if (tmp == NULL) {
+ ERROR ("cpu plugin: could not reserve enough space to hold states");
+ percents = NULL;
+ return -1;
+ }
+
+ for (i = percents_cells; i < size; i++)
+ memset(&percents[i], 0, sizeof(*percents));
+
+ percents = tmp;
+ percents_cells = size;
+ return 0;
+} /* cpu_states_grow */
+
+
static int init (void)
{
#if PROCESSOR_CPU_LOAD_INFO || PROCESSOR_TEMPERATURE
return (0);
} /* int init */
-static void submit (int cpu_num, const char *type_instance, derive_t value)
+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;
- values[0].derive = value;
+ 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));
- ssnprintf (vl.plugin_instance, sizeof (vl.plugin_instance),
- "%i", cpu_num);
- sstrncpy (vl.type, "cpu", sizeof (vl.type));
- sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
+ 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;
+
+ 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);
+}
+
+static void submit_flush (void)
+{
+ int i = 0;
+
+ if (report_by_cpu) {
+ cpu_count = 0;
+ return;
+ }
+
+ for (i = 0; i < CPU_SUBMIT_MAX; i++) {
+ if (agg_percents[i] == -1)
+ continue;
+
+ submit_percent(-1, i, agg_percents[i] / cpu_count);
+ agg_percents[i] = -1;
+ }
+ cpu_count = 0;
+}
+
+static void submit (int cpu_num, derive_t *derives)
+{
+
+ int i = 0;
+
+ if (!report_percent && report_by_cpu) {
+ derive_t cpu_active = 0;
+ for (i = 0; i < CPU_SUBMIT_ACTIVE; i++)
+ {
+ if (derives[i] == -1)
+ continue;
+
+ if (i != CPU_SUBMIT_IDLE)
+ cpu_active += derives[i];
+
+ submit_derive(cpu_num, i, derives[i]);
+ }
+ if (report_active)
+ submit_derive(cpu_num, CPU_SUBMIT_ACTIVE, cpu_active);
+ }
+ else /* we are reporting percents */
+ {
+ cdtime_t cdt;
+ gauge_t percent;
+ gauge_t cpu_total = 0;
+ gauge_t cpu_active = 0;
+ gauge_t local_rates[CPU_SUBMIT_MAX];
+
+ cpu_count++;
+ if (cpu_states_grow())
+ return;
+
+ memset(local_rates, 0, sizeof(local_rates));
+
+ cdt = cdtime();
+ for (i = 0; i < CPU_SUBMIT_ACTIVE; i++) {
+ value_t rate;
+ int index;
+
+ if (derives[i] == -1)
+ continue;
+
+ index = (cpu_num * CPU_SUBMIT_MAX) + i;
+ if (value_to_rate(&rate, derives[i], &percents[index],
+ DS_TYPE_DERIVE, cdt) != 0) {
+ local_rates[i] = -1;
+ continue;
+ }
+
+ local_rates[i] = rate.gauge;
+ cpu_total += rate.gauge;
+ if (i != CPU_SUBMIT_IDLE)
+ cpu_active += rate.gauge;
+ }
+ if (cpu_total == 0.0)
+ return;
+
+ if (report_active)
+ local_rates[CPU_SUBMIT_ACTIVE] = cpu_active;
+
+ for (i = 0; i < CPU_SUBMIT_MAX; i++) {
+ if (local_rates[i] == -1)
+ continue;
+
+ percent = (local_rates[i] / cpu_total) * 100;
+ if (report_by_cpu)
+ submit_percent (cpu_num, i, percent);
+ else {
+ if (agg_percents[i] == -1)
+ agg_percents[i] = percent;
+ else
+ agg_percents[i] += percent;
+ }
+
+ }
+ }
+}
+
static int cpu_read (void)
{
#if PROCESSOR_CPU_LOAD_INFO || PROCESSOR_TEMPERATURE
int cpu;
kern_return_t status;
-
+
#if PROCESSOR_CPU_LOAD_INFO
- derive_t cpu_active;
processor_cpu_load_info_data_t cpu_info;
- mach_msg_type_number_t cpu_info_len;
+ mach_msg_type_number_t cpu_info_len;
#endif
#if PROCESSOR_TEMPERATURE
- processor_info_data_t cpu_temp;
- mach_msg_type_number_t cpu_temp_len;
+ processor_info_data_t cpu_temp;
+ mach_msg_type_number_t cpu_temp_len;
#endif
host_t cpu_host;
for (cpu = 0; cpu < cpu_list_len; cpu++)
{
#if PROCESSOR_CPU_LOAD_INFO
+ derive_t derives[CPU_SUBMIT_MAX] = {
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+ };
+ memset(derives, -1, sizeof(derives));
cpu_host = 0;
cpu_info_len = PROCESSOR_BASIC_INFO_COUNT;
continue;
}
- submit (cpu, "user", (derive_t) cpu_info.cpu_ticks[CPU_STATE_USER]);
- submit (cpu, "nice", (derive_t) cpu_info.cpu_ticks[CPU_STATE_NICE]);
- submit (cpu, "system", (derive_t) cpu_info.cpu_ticks[CPU_STATE_SYSTEM]);
- submit (cpu, "idle", (derive_t) cpu_info.cpu_ticks[CPU_STATE_IDLE]);
- cpu_active = (derive_t) (cpu_info.cpu_ticks[CPU_STATE_USER] +
- cpu_info.cpu_ticks[CPU_STATE_NICE] +
- cpu_info.cpu_ticks[CPU_STATE_SYSTEM]);
- submit (cpu, "active", cpu_active);
-
+ derives[CPU_SUBMIT_USER] = (derive_t) cpu_info.cpu_ticks[CPU_STATE_USER];
+ derives[CPU_SUBMIT_NICE] = (derive_t) cpu_info.cpu_ticks[CPU_STATE_NICE];
+ derives[CPU_SUBMIT_SYSTEM] = (derive_t) cpu_info.cpu_ticks[CPU_STATE_SYSTEM];
+ derives[CPU_SUBMIT_IDLE] = (derive_t) cpu_info.cpu_ticks[CPU_STATE_IDLE];
+ submit (cpu, derives);
+
#endif /* PROCESSOR_CPU_LOAD_INFO */
#if PROCESSOR_TEMPERATURE
/*
if (cpu_temp_len != 1)
{
DEBUG ("processor_info (PROCESSOR_TEMPERATURE) returned %i elements..?",
- (int) cpu_temp_len);
+ (int) cpu_temp_len);
continue;
}
cpu_temp_retry_step = 1;
#endif /* PROCESSOR_TEMPERATURE */
}
+ submit_flush ();
/* #endif PROCESSOR_CPU_LOAD_INFO */
#elif defined(KERNEL_LINUX)
int cpu;
- derive_t cpu_active;
- derive_t user, nice, syst, idle;
- derive_t wait, intr, sitr; /* sitr == soft interrupt */
FILE *fh;
char buf[1024];
while (fgets (buf, 1024, fh) != NULL)
{
+ derive_t derives[CPU_SUBMIT_MAX] = {
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+ };
+
if (strncmp (buf, "cpu", 3))
continue;
if ((buf[3] < '0') || (buf[3] > '9'))
continue;
cpu = atoi (fields[0] + 3);
- user = atoll (fields[1]);
- nice = atoll (fields[2]);
- syst = atoll (fields[3]);
- idle = atoll (fields[4]);
-
- submit (cpu, "user", user);
- submit (cpu, "nice", nice);
- submit (cpu, "system", syst);
- submit (cpu, "idle", idle);
- cpu_active = user + nice + syst;
+ derives[CPU_SUBMIT_USER] = atoll(fields[1]);
+ derives[CPU_SUBMIT_NICE] = atoll(fields[2]);
+ derives[CPU_SUBMIT_SYSTEM] = atoll(fields[3]);
+ derives[CPU_SUBMIT_IDLE] = atoll(fields[4]);
if (numfields >= 8)
{
- wait = atoll (fields[5]);
- intr = atoll (fields[6]);
- sitr = atoll (fields[7]);
-
- submit (cpu, "wait", wait);
- submit (cpu, "interrupt", intr);
- submit (cpu, "softirq", sitr);
-
- cpu_active += wait + intr + sitr;
+ derives[CPU_SUBMIT_WAIT] = atoll(fields[5]);
+ derives[CPU_SUBMIT_INTERRUPT] = atoll(fields[6]);
+ derives[CPU_SUBMIT_SOFTIRQ] = atoll(fields[6]);
if (numfields >= 9)
- cpu_active += (derive_t) atoll (fields[8]);
- submit (cpu, "steal", atoll (fields[8]));
+ derives[CPU_SUBMIT_STEAL] = atoll(fields[8]);
}
- submit (cpu, "active", cpu_active);
+ submit(cpu, derives);
}
+ submit_flush();
fclose (fh);
/* #endif defined(KERNEL_LINUX) */
#elif defined(HAVE_LIBKSTAT)
int cpu;
- derive_t user, syst, idle, wait;
static cpu_stat_t cs;
if (kc == NULL)
for (cpu = 0; cpu < numcpu; cpu++)
{
+ derive_t derives[CPU_SUBMIT_MAX] = {
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+ };
+
if (kstat_read (kc, ksp[cpu], &cs) == -1)
continue; /* error message? */
- idle = (derive_t) cs.cpu_sysinfo.cpu[CPU_IDLE];
- user = (derive_t) cs.cpu_sysinfo.cpu[CPU_USER];
- syst = (derive_t) cs.cpu_sysinfo.cpu[CPU_KERNEL];
- wait = (derive_t) cs.cpu_sysinfo.cpu[CPU_WAIT];
-
- submit (ksp[cpu]->ks_instance, "user", user);
- submit (ksp[cpu]->ks_instance, "system", syst);
- submit (ksp[cpu]->ks_instance, "idle", idle);
- submit (ksp[cpu]->ks_instance, "wait", wait);
- submit (ksp[cpu]->ks_instance, "active", user + syst + wait);
+ memset(derives, -1, sizeof(derives));
+ derives[CPU_SUBMIT_IDLE] = cs.cpu_sysinfo.cpu[CPU_IDLE];
+ derives[CPU_SUBMIT_USER] = cs.cpu_sysinfo.cpu[CPU_USER];
+ derives[CPU_SUBMIT_SYSTEM] = cs.cpu_sysinfo.cpu[CPU_KERNEL];
+ derives[CPU_SUBMIT_WAIT] = cs.cpu_sysinfo.cpu[CPU_WAIT];
+ submit (ksp[cpu]->ks_instance, derives);
}
+ submit_flush ();
/* #endif defined(HAVE_LIBKSTAT) */
#elif CAN_USE_SYSCTL
}
for (i = 0; i < numcpu; i++) {
- submit (i, "user", cpuinfo[i][CP_USER]);
- submit (i, "nice", cpuinfo[i][CP_NICE]);
- submit (i, "system", cpuinfo[i][CP_SYS]);
- submit (i, "idle", cpuinfo[i][CP_IDLE]);
- submit (i, "interrupt", cpuinfo[i][CP_INTR]);
- submit (i, "active", cpuinfo[i][CP_USER] +
- cpuinfo[i][CP_NICE] +
- cpuinfo[i][CP_SYS] +
- cpuinfo[i][CP_INTR]);
+ derive_t derives[CPU_SUBMIT_MAX] = {
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+ };
+
+ derives[CPU_SUBMIT_USER] = cpuinfo[i][CP_USER];
+ derives[CPU_SUBMIT_NICE] = cpuinfo[i][CP_NICE];
+ derives[CPU_SUBMIT_SYSTEM] = cpuinfo[i][CP_SYS];
+ derives[CPU_SUBMIT_IDLE] = cpuinfo[i][CP_IDLE];
+ derives[CPU_SUBMIT_INTERRUPT] = cpuinfo[i][CP_INTR];
+ submit(i, derives);
}
+ submit_flush();
/* #endif CAN_USE_SYSCTL */
#elif defined(HAVE_SYSCTLBYNAME) && defined(HAVE_SYSCTL_KERN_CP_TIMES)
long cpuinfo[maxcpu][CPUSTATES];
}
for (i = 0; i < numcpu; i++) {
- submit (i, "user", cpuinfo[i][CP_USER]);
- submit (i, "nice", cpuinfo[i][CP_NICE]);
- submit (i, "system", cpuinfo[i][CP_SYS]);
- submit (i, "idle", cpuinfo[i][CP_IDLE]);
- submit (i, "interrupt", cpuinfo[i][CP_INTR]);
- submit (i, "active", cpuinfo[i][CP_USER] +
- cpuinfo[i][CP_NICE] +
- cpuinfo[i][CP_SYS] +
- cpuinfo[i][CP_INTR]);
+ derive_t derives[CPU_SUBMIT_MAX] = {
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+ };
+
+ derives[CPU_SUBMIT_USER] = cpuinfo[i][CP_USER];
+ derives[CPU_SUBMIT_NICE] = cpuinfo[i][CP_NICE];
+ derives[CPU_SUBMIT_SYSTEM] = cpuinfo[i][CP_SYS];
+ derives[CPU_SUBMIT_IDLE] = cpuinfo[i][CP_IDLE];
+ derives[CPU_SUBMIT_INTERRUPT] = cpuinfo[i][CP_INTR];
+ submit(i, derives);
}
+ submit_flush();
+
/* #endif HAVE_SYSCTL_KERN_CP_TIMES */
#elif defined(HAVE_SYSCTLBYNAME)
long cpuinfo[CPUSTATES];
size_t cpuinfo_size;
+ derive_t derives[CPU_SUBMIT_MAX] = {
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+ };
cpuinfo_size = sizeof (cpuinfo);
return (-1);
}
- submit (0, "user", cpuinfo[CP_USER]);
- submit (0, "nice", cpuinfo[CP_NICE]);
- submit (0, "system", cpuinfo[CP_SYS]);
- submit (0, "idle", cpuinfo[CP_IDLE]);
- submit (0, "interrupt", cpuinfo[CP_INTR]);
- submit (0, "active", cpuinfo[CP_USER] +
- cpuinfo[CP_NICE] +
- cpuinfo[CP_SYS] +
- cpuinfo[CP_INTR]);
+ derives[CPU_SUBMIT_USER] = cpuinfo[CP_USER];
+ derives[CPU_SUBMIT_SYSTEM] = cpuinfo[CP_SYS];
+ derives[CPU_SUBMIT_NICE] = cpuinfo[CP_NICE];
+ derives[CPU_SUBMIT_IDLE] = cpuinfo[CP_IDLE];
+ derives[CPU_SUBMIT_INTERRUPT] = cpuinfo[CP_INTR];
+ submit(0, derives);
+ submit_flush();
+
/* #endif HAVE_SYSCTLBYNAME */
#elif defined(HAVE_LIBSTATGRAB)
sg_cpu_stats *cs;
+ derive_t derives[CPU_SUBMIT_MAX] = {
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+ };
cs = sg_get_cpu_stats ();
if (cs == NULL)
return (-1);
}
- submit (0, "idle", (derive_t) cs->idle);
- submit (0, "nice", (derive_t) cs->nice);
- submit (0, "swap", (derive_t) cs->swap);
- submit (0, "system", (derive_t) cs->kernel);
- submit (0, "user", (derive_t) cs->user);
- submit (0, "wait", (derive_t) cs->iowait);
- submit (0, "active", (derive_t) cs->nice +
- cs->swap +
- cs->kernel +
- cs->user +
- cs->iowait +
- cs->nice);
+ derives[CPU_SUBMIT_IDLE] = (derive_t) cs->idle;
+ derives[CPU_SUBMIT_NICE] = (derive_t) cs->nice;
+ derives[CPU_SUBMIT_SWAP] = (derive_t) cs->swap;
+ derives[CPU_SUBMIT_SYSTEM] = (derive_t) cs->kernel;
+ derives[CPU_SUBMIT_USER] = (derive_t) cs->user;
+ derives[CPU_SUBMIT_WAIT] = (derive_t) cs->iowait;
+ submit(0, derives);
+ submit_flush();
/* #endif HAVE_LIBSTATGRAB */
#elif defined(HAVE_PERFSTAT)
sstrerror (errno, errbuf, sizeof (errbuf)));
return (-1);
}
-
- if (pnumcpu != numcpu || perfcpu == NULL)
+
+ if (pnumcpu != numcpu || perfcpu == NULL)
{
- if (perfcpu != NULL)
+ if (perfcpu != NULL)
free(perfcpu);
perfcpu = malloc(numcpu * sizeof(perfstat_cpu_t));
}
return (-1);
}
- for (i = 0; i < cpus; i++)
+ for (i = 0; i < cpus; i++)
{
- submit (i, "idle", (derive_t) perfcpu[i].idle);
- submit (i, "system", (derive_t) perfcpu[i].sys);
- submit (i, "user", (derive_t) perfcpu[i].user);
- submit (i, "wait", (derive_t) perfcpu[i].wait);
- submit (i, "active", (derive_t) perfcpu[i].sys +
- perfcpu[i].user +
- perfcpu[i].wait);
+ derive_t derives[CPU_SUBMIT_MAX] = {
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+ };
+ derives[CPU_SUBMIT_IDLE] = perfcpu[i].idle;
+ derives[CPU_SUBMIT_SYSTEM] = perfcpu[i].sys;
+ derives[CPU_SUBMIT_USER] = perfcpu[i].user;
+ derives[CPU_SUBMIT_WAIT] = perfcpu[i].wait;
+ submit(i, derives);
}
+ submit_flush();
#endif /* HAVE_PERFSTAT */
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 */
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