Building a Beowulf Cluster/Profiling and Benchmarking/Temperature control

How to check the CPU temperature? > cat /proc/acpi/thermal_zone/THRM/temperature (you might have different THRM directories for your cores) If this doesn't work or you want more information, install sensors (in fedora: yum install sensors). You install it by sensors-detect and sensors then prints you information. > sensors ... Adapter: ISA adapter Core 0: +67.0°C (high = +82.0°C, crit = +100.0°C) coretemp-isa-0001 Adapter: ISA adapter Core 1: +66.0°C (high = +82.0°C, crit = +100.0°C) coretemp-isa-0002 Adapter: ISA adapter Core 2: +61.0°C (high = +82.0°C, crit = +100.0°C) coretemp-isa-0003 Adapter: ISA adapter Core 3: +61.0°C (high = +82.0°C, crit = +100.0°C)