/**
* collectd - src/cpu.c
- * Copyright (C) 2005 Florian octo Forster
+ * Copyright (C) 2005,2006 Florian octo Forster
*
* 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
#include "collectd.h"
#include "common.h"
#include "plugin.h"
+#include "utils_debug.h"
#define MODULE_NAME "cpu"
-#if defined(KERNEL_LINUX) || defined(HAVE_LIBKSTAT) || defined(HAVE_SYSCTLBYNAME)
-# define CPU_HAVE_READ 1
-#else
-# define CPU_HAVE_READ 0
+#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
# endif
#endif /* HAVE_SYSCTLBYNAME */
-#ifdef HAVE_LIBKSTAT
+#if defined(PROCESSOR_CPU_LOAD_INFO) || defined(KERNEL_LINUX) || defined(HAVE_LIBKSTAT) || defined(HAVE_SYSCTLBYNAME)
+# define CPU_HAVE_READ 1
+#else
+# define CPU_HAVE_READ 0
+#endif
+
+#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;
+
+#if PROCESSOR_TEMPERATURE
+static int cpu_temp_retry_counter = 0;
+static int cpu_temp_retry_step = 1;
+static int cpu_temp_retry_max = 1;
+#endif /* PROCESSOR_TEMPERATURE */
+/* #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 */
+/* #endif HAVE_LIBKSTAT */
-#ifdef HAVE_SYSCTLBYNAME
+#elif defined(HAVE_SYSCTLBYNAME)
static int numcpu;
#endif /* HAVE_SYSCTLBYNAME */
static char *ds_def[] =
{
- "DS:user:COUNTER:25:0:100",
- "DS:nice:COUNTER:25:0:100",
- "DS:syst:COUNTER:25:0:100",
- "DS:idle:COUNTER:25:0:100",
- "DS:wait:COUNTER:25:0:100",
+ "DS:user:COUNTER:"COLLECTD_HEARTBEAT":0:U",
+ "DS:nice:COUNTER:"COLLECTD_HEARTBEAT":0:U",
+ "DS:syst:COUNTER:"COLLECTD_HEARTBEAT":0:U",
+ "DS:idle:COUNTER:"COLLECTD_HEARTBEAT":0:U",
+ "DS:wait:COUNTER:"COLLECTD_HEARTBEAT":0:U",
NULL
};
static int ds_num = 5;
-void cpu_init (void)
+static void cpu_init (void)
{
-#ifdef HAVE_LIBKSTAT
+#if PROCESSOR_CPU_LOAD_INFO || PROCESSOR_TEMPERATURE
+ kern_return_t status;
+ int collectd_step;
+
+ 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)
+ {
+ syslog (LOG_ERR, "cpu-plugin: host_processors returned %i\n", (int) status);
+ cpu_list_len = 0;
+ return;
+ }
+
+ DBG ("host_processors returned %i %s", (int) cpu_list_len, cpu_list_len == 1 ? "processor" : "processors");
+ syslog (LOG_INFO, "cpu-plugin: Found %i processor%s.", (int) cpu_list_len, cpu_list_len == 1 ? "" : "s");
+
+ collectd_step = atoi (COLLECTD_STEP);
+ if ((collectd_step > 0) && (collectd_step <= 86400))
+ cpu_temp_retry_max = 86400 / collectd_step;
+
+/* #endif PROCESSOR_CPU_LOAD_INFO */
+
+#elif defined(HAVE_LIBKSTAT)
kstat_t *ksp_chain;
numcpu = 0;
return;
}
-void cpu_write (char *host, char *inst, char *val)
+static void cpu_write (char *host, char *inst, char *val)
{
char file[512];
int status;
rrd_update_file (host, file, val, ds_def, ds_num);
}
+#if CPU_HAVE_READ
#define BUFSIZE 512
static void cpu_submit (int cpu_num, unsigned long long user,
unsigned long long nice, unsigned long long syst,
}
#undef BUFSIZE
-#if CPU_HAVE_READ
static void cpu_read (void)
{
-#ifdef KERNEL_LINUX
-#define BUFSIZE 1024
+#if PROCESSOR_CPU_LOAD_INFO || PROCESSOR_TEMPERATURE
+ int cpu;
+
+ kern_return_t status;
+
+#if PROCESSOR_CPU_LOAD_INFO
+ processor_cpu_load_info_data_t cpu_info;
+ 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;
+#endif
+
+ host_t cpu_host;
+
+ for (cpu = 0; cpu < cpu_list_len; cpu++)
+ {
+#if PROCESSOR_CPU_LOAD_INFO
+ cpu_host = 0;
+ cpu_info_len = PROCESSOR_BASIC_INFO_COUNT;
+
+ if ((status = processor_info (cpu_list[cpu],
+ PROCESSOR_CPU_LOAD_INFO, &cpu_host,
+ (processor_info_t) &cpu_info, &cpu_info_len)) != KERN_SUCCESS)
+ {
+ syslog (LOG_ERR, "cpu-plugin: processor_info failed with status %i\n", (int) status);
+ continue;
+ }
+
+ if (cpu_info_len < CPU_STATE_MAX)
+ {
+ syslog (LOG_ERR, "cpu-plugin: processor_info returned only %i elements..\n", cpu_info_len);
+ continue;
+ }
+
+ cpu_submit (cpu, cpu_info.cpu_ticks[CPU_STATE_USER],
+ cpu_info.cpu_ticks[CPU_STATE_NICE],
+ cpu_info.cpu_ticks[CPU_STATE_SYSTEM],
+ cpu_info.cpu_ticks[CPU_STATE_IDLE],
+ 0ULL);
+#endif /* PROCESSOR_CPU_LOAD_INFO */
+#if PROCESSOR_TEMPERATURE
+ /*
+ * Not all Apple computers do have this ability. To minimize
+ * the messages sent to the syslog we do an exponential
+ * stepback if `processor_info' fails. We still try ~once a day
+ * though..
+ */
+ if (cpu_temp_retry_counter > 0)
+ {
+ cpu_temp_retry_counter--;
+ continue;
+ }
+
+ cpu_temp_len = PROCESSOR_INFO_MAX;
+
+ status = processor_info (cpu_list[cpu],
+ PROCESSOR_TEMPERATURE,
+ &cpu_host,
+ cpu_temp, &cpu_temp_len);
+ if (status != KERN_SUCCESS)
+ {
+ syslog (LOG_ERR, "cpu-plugin: processor_info failed: %s",
+ mach_error_string (status));
+
+ cpu_temp_retry_counter = cpu_temp_retry_step;
+ cpu_temp_retry_step *= 2;
+ if (cpu_temp_retry_step > cpu_temp_retry_max)
+ cpu_temp_retry_step = cpu_temp_retry_max;
+
+ continue;
+ }
+
+ if (cpu_temp_len != 1)
+ {
+ DBG ("processor_info (PROCESSOR_TEMPERATURE) returned %i elements..?",
+ (int) cpu_temp_len);
+ continue;
+ }
+
+ cpu_temp_retry_counter = 0;
+ cpu_temp_retry_step = 1;
+
+ DBG ("cpu_temp = %i", (int) cpu_temp);
+#endif /* PROCESSOR_TEMPERATURE */
+ }
+/* #endif PROCESSOR_CPU_LOAD_INFO */
+
+#elif defined(KERNEL_LINUX)
+# define BUFSIZE 1024
int cpu;
unsigned long long user, nice, syst, idle;
unsigned long long wait, intr, sitr; /* sitr == soft interrupt */
return;
}
+#else
+# define cpu_read NULL
#endif /* CPU_HAVE_READ */
void module_register (void)
{
- plugin_register (MODULE_NAME, cpu_init,
-#if CPU_HAVE_READ
- cpu_read,
-#else
- NULL,
-#endif
- cpu_write);
+ plugin_register (MODULE_NAME, cpu_init, cpu_read, cpu_write);
}
#undef MODULE_NAME
projects / collectd.git / blobdiff