/**
* collectd - src/cpu.c
- * Copyright (C) 2005,2006 Florian octo Forster
+ * Copyright (C) 2005-2007 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
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
+ * 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
#include "collectd.h"
#include "common.h"
#include "plugin.h"
-#include "utils_debug.h"
-
-#define MODULE_NAME "cpu"
#ifdef HAVE_MACH_KERN_RETURN_H
# include <mach/kern_return.h>
# define CPU_HAVE_READ 0
#endif
+#if CPU_HAVE_READ
#ifdef PROCESSOR_CPU_LOAD_INFO
static mach_port_t port_host;
static processor_port_array_t cpu_list;
static int numcpu;
#endif /* HAVE_SYSCTLBYNAME */
-static char *cpu_filename = "cpu-%s.rrd";
-
-static char *ds_def[] =
-{
- "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;
-
-static void cpu_init (void)
+static int init (void)
{
#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);
+ ERROR ("cpu plugin: host_processors returned %i", (int) status);
cpu_list_len = 0;
- return;
+ return (-1);
}
- 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");
+ 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");
- collectd_step = atoi (COLLECTD_STEP);
- if ((collectd_step > 0) && (collectd_step <= 86400))
- cpu_temp_retry_max = 86400 / collectd_step;
-
+ cpu_temp_retry_max = 86400 / interval_g;
/* #endif PROCESSOR_CPU_LOAD_INFO */
#elif defined(HAVE_LIBKSTAT)
numcpu = 0;
if (kc == NULL)
- return;
+ return (-1);
/* Solaris doesn't count linear.. *sigh* */
for (numcpu = 0, ksp_chain = kc->kc_chain;
if (sysctlbyname ("hw.ncpu", &numcpu, &numcpu_size, NULL, 0) < 0)
{
- syslog (LOG_WARNING, "cpu: sysctlbyname: %s", strerror (errno));
- return;
+ char errbuf[1024];
+ WARNING ("cpu plugin: sysctlbyname: %s",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ return (-1);
}
if (numcpu != 1)
- syslog (LOG_NOTICE, "cpu: Only one processor supported when using `sysctlbyname' (found %i)", numcpu);
+ NOTICE ("cpu: Only one processor supported when using `sysctlbyname' (found %i)", numcpu);
#endif
- return;
-}
+ return (0);
+} /* int init */
-static void cpu_write (char *host, char *inst, char *val)
+static void submit (int cpu_num, const char *type_instance, counter_t value)
{
- char file[512];
- int status;
-
- status = snprintf (file, 512, cpu_filename, inst);
- if (status < 1)
- return;
- else if (status >= 512)
- return;
-
- rrd_update_file (host, file, val, ds_def, ds_num);
+ value_t values[1];
+ value_list_t vl = VALUE_LIST_INIT;
+
+ values[0].counter = value;
+
+ vl.values = values;
+ vl.values_len = 1;
+ vl.time = time (NULL);
+ strcpy (vl.host, hostname_g);
+ strcpy (vl.plugin, "cpu");
+ snprintf (vl.plugin_instance, sizeof (vl.type_instance),
+ "%i", cpu_num);
+ vl.plugin_instance[DATA_MAX_NAME_LEN - 1] = '\0';
+ strcpy (vl.type_instance, type_instance);
+
+ plugin_dispatch_values ("cpu", &vl);
}
-#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,
- unsigned long long idle, unsigned long long wait)
-{
- char buf[BUFSIZE];
- char cpu[16];
-
- if (snprintf (buf, BUFSIZE, "%u:%llu:%llu:%llu:%llu:%llu", (unsigned int) curtime,
- user, nice, syst, idle, wait) >= BUFSIZE)
- return;
- snprintf (cpu, 16, "%i", cpu_num);
-
- plugin_submit (MODULE_NAME, cpu, buf);
-}
-#undef BUFSIZE
-
-static void cpu_read (void)
+static int cpu_read (void)
{
#if PROCESSOR_CPU_LOAD_INFO || PROCESSOR_TEMPERATURE
int 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);
+ ERROR ("cpu plugin: processor_info failed with status %i", (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);
+ ERROR ("cpu plugin: processor_info returned only %i elements..", 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);
+ submit (cpu, "user", (counter_t) cpu_info.cpu_ticks[CPU_STATE_USER]);
+ submit (cpu, "nice", (counter_t) cpu_info.cpu_ticks[CPU_STATE_NICE]);
+ submit (cpu, "system", (counter_t) cpu_info.cpu_ticks[CPU_STATE_SYSTEM]);
+ submit (cpu, "idle", (counter_t) cpu_info.cpu_ticks[CPU_STATE_IDLE]);
#endif /* PROCESSOR_CPU_LOAD_INFO */
#if PROCESSOR_TEMPERATURE
/*
cpu_temp, &cpu_temp_len);
if (status != KERN_SUCCESS)
{
- syslog (LOG_ERR, "cpu-plugin: processor_info failed: %s",
+ ERROR ("cpu plugin: processor_info failed: %s",
mach_error_string (status));
cpu_temp_retry_counter = cpu_temp_retry_step;
if (cpu_temp_len != 1)
{
- DBG ("processor_info (PROCESSOR_TEMPERATURE) returned %i elements..?",
+ DEBUG ("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);
+ DEBUG ("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 */
+ counter_t user, nice, syst, idle;
+ counter_t wait, intr, sitr; /* sitr == soft interrupt */
FILE *fh;
- char buf[BUFSIZE];
+ char buf[1024];
char *fields[9];
int numfields;
if ((fh = fopen ("/proc/stat", "r")) == NULL)
{
+ char errbuf[1024];
plugin_complain (LOG_ERR, &complain_obj, "cpu plugin: "
"fopen (/proc/stat) failed: %s",
- strerror (errno));
- return;
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ return (-1);
}
plugin_relief (LOG_NOTICE, &complain_obj, "cpu plugin: "
"fopen (/proc/stat) succeeded.");
- while (fgets (buf, BUFSIZE, fh) != NULL)
+ while (fgets (buf, 1024, fh) != NULL)
{
if (strncmp (buf, "cpu", 3))
continue;
syst = atoll (fields[3]);
idle = atoll (fields[4]);
+ submit (cpu, "user", user);
+ submit (cpu, "nice", nice);
+ submit (cpu, "system", syst);
+ submit (cpu, "idle", idle);
+
if (numfields >= 8)
{
wait = atoll (fields[5]);
intr = atoll (fields[6]);
sitr = atoll (fields[7]);
- /* I doubt anyone cares about the time spent in
- * interrupt handlers.. */
- syst += intr + sitr;
- }
- else
- {
- wait = 0LL;
- }
+ submit (cpu, "wait", wait);
+ submit (cpu, "interrupt", intr);
+ submit (cpu, "softirq", sitr);
- cpu_submit (cpu, user, nice, syst, idle, wait);
+ if (numfields >= 9)
+ submit (cpu, "steal", atoll (fields[8]));
+ }
}
fclose (fh);
-#undef BUFSIZE
/* #endif defined(KERNEL_LINUX) */
#elif defined(HAVE_LIBKSTAT)
int cpu;
- unsigned long long user, syst, idle, wait;
+ counter_t user, syst, idle, wait;
static cpu_stat_t cs;
if (kc == NULL)
- return;
+ return (-1);
for (cpu = 0; cpu < numcpu; cpu++)
{
if (kstat_read (kc, ksp[cpu], &cs) == -1)
continue; /* error message? */
- idle = (unsigned long long) cs.cpu_sysinfo.cpu[CPU_IDLE];
- user = (unsigned long long) cs.cpu_sysinfo.cpu[CPU_USER];
- syst = (unsigned long long) cs.cpu_sysinfo.cpu[CPU_KERNEL];
- wait = (unsigned long long) cs.cpu_sysinfo.cpu[CPU_WAIT];
+ idle = (counter_t) cs.cpu_sysinfo.cpu[CPU_IDLE];
+ user = (counter_t) cs.cpu_sysinfo.cpu[CPU_USER];
+ syst = (counter_t) cs.cpu_sysinfo.cpu[CPU_KERNEL];
+ wait = (counter_t) cs.cpu_sysinfo.cpu[CPU_WAIT];
- cpu_submit (ksp[cpu]->ks_instance,
- user, 0LL, syst, idle, 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);
}
/* #endif defined(HAVE_LIBKSTAT) */
if (sysctlbyname("kern.cp_time", &cpuinfo, &cpuinfo_size, NULL, 0) < 0)
{
+ char errbuf[1024];
plugin_complain (LOG_ERR, &complain_obj, "cpu plugin: "
"sysctlbyname failed: %s.",
- strerror (errno));
- return;
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ return (-1);
}
plugin_relief (LOG_NOTICE, &complain_obj, "cpu plugin: "
cpuinfo[CP_SYS] += cpuinfo[CP_INTR];
- /* FIXME: Instance is always `0' */
- cpu_submit (0, cpuinfo[CP_USER], cpuinfo[CP_NICE], cpuinfo[CP_SYS], cpuinfo[CP_IDLE], 0LL);
+ submit (0, "user", cpuinfo[CP_USER]);
+ submit (0, "nice", cpuinfo[CP_NICE]);
+ submit (0, "system", cpuinfo[CP_SYS]);
+ submit (0, "idle", cpuinfo[CP_IDLE]);
#endif
- return;
+ return (0);
}
-#else
-# define cpu_read NULL
#endif /* CPU_HAVE_READ */
void module_register (void)
{
- plugin_register (MODULE_NAME, cpu_init, cpu_read, cpu_write);
-}
-
-#undef MODULE_NAME
+#if CPU_HAVE_READ
+ plugin_register_init ("cpu", init);
+ plugin_register_read ("cpu", cpu_read);
+#endif /* CPU_HAVE_READ */
+} /* void module_register */
projects / collectd.git / blobdiff