/**
* collectd - src/cpufreq.c
- * Copyright (C) 2005 Peter Holik
+ * Copyright (C) 2005,2006 Peter Holik
*
* 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
* Peter Holik <peter at holik.at>
**/
-#include "cpufreq.h"
-
-/*
- * Originally written by Peter Holik
- */
+#include "collectd.h"
+#include "common.h"
+#include "plugin.h"
-#if COLLECT_CPUFREQ
#define MODULE_NAME "cpufreq"
-#include "plugin.h"
-#include "common.h"
-
-static int num_cpu = 0;
+#if defined(KERNEL_LINUX)
+# define CPUFREQ_HAVE_READ 1
+#else
+# define CPUFREQ_HAVE_READ 0
+#endif
static char *cpufreq_file = "cpufreq-%s.rrd";
static char *ds_def[] =
{
- "DS:value:GAUGE:25:0:U",
+ "DS:value:GAUGE:"COLLECTD_HEARTBEAT":0:U",
NULL
};
static int ds_num = 1;
-extern time_t curtime;
+#ifdef KERNEL_LINUX
+static int num_cpu = 0;
+#endif
#define BUFSIZE 256
-void cpufreq_init (void)
+static void cpufreq_init (void)
{
+#ifdef KERNEL_LINUX
int status;
char filename[BUFSIZE];
while (1)
{
- status = snprintf (filename, BUFSIZE, "/sys/devices/system/cpu/cpu%d/cpufreq/cpuinfo_cur_freq", num_cpu);
+ status = snprintf (filename, BUFSIZE, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_cur_freq", num_cpu);
if (status < 1 || status >= BUFSIZE)
break;
}
syslog (LOG_INFO, MODULE_NAME" found %d cpu(s)", num_cpu);
+#endif /* defined(KERNEL_LINUX) */
+
+ return;
}
-void cpufreq_write (char *host, char *inst, char *val)
+static void cpufreq_write (char *host, char *inst, char *val)
{
int status;
char file[BUFSIZE];
rrd_update_file (host, file, val, ds_def, ds_num);
}
-void cpufreq_submit (int cpu_num, unsigned long long val)
+#if CPUFREQ_HAVE_READ
+static void cpufreq_submit (int cpu_num, unsigned long long val)
{
char buf[BUFSIZE];
char cpu[16];
plugin_submit (MODULE_NAME, cpu, buf);
}
-void cpufreq_read (void)
+static void cpufreq_read (void)
{
+#ifdef KERNEL_LINUX
int status;
unsigned long long val;
int i = 0;
for (i = 0; i < num_cpu; i++)
{
- status = snprintf (filename, BUFSIZE, "/sys/devices/system/cpu/cpu%d/cpufreq/cpuinfo_cur_freq", i);
+ status = snprintf (filename, BUFSIZE, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_cur_freq", i);
if (status < 1 || status >= BUFSIZE)
return;
cpufreq_submit (i, val);
}
+#endif /* defined(KERNEL_LINUX) */
+
+ return;
}
+#else
+#define cpufreq_read NULL
+#endif
#undef BUFSIZE
void module_register (void)
}
#undef MODULE_NAME
-#endif /* COLLECT_CPUFREQ */