/**
* 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
#define MODULE_NAME "cpufreq"
+#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;
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;
rrd_update_file (host, file, val, ds_def, ds_num);
}
+#if CPUFREQ_HAVE_READ
static void cpufreq_submit (int cpu_num, unsigned long long val)
{
char buf[BUFSIZE];
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;
if (fgets (buffer, 16, fp) == NULL)
{
syslog (LOG_WARNING, "cpufreq: fgets: %s", strerror (errno));
+ fclose (fp);
return;
}
return;
}
+#else
+#define cpufreq_read NULL
+#endif
#undef BUFSIZE
void module_register (void)