When the system is in IDLE state which means nothing to run and swapper is running, it calls cpuidle_idle_call() like shown in the below. This cpuidle_idle_call() is called from arch_cpu_idle(). cpuidle_idle_call() is the main idle loop which is checking idle driver and do further steps if the driver is installed and active. It can changeContinue reading “How intel_idle works”
Tag Archives: cpu
meaning of flags field in /proc/cpuinfo
The file /proc/cpuinfo contains useful information about your processor(s). This page explains, what this file actually tells you. The following is an output from /proc/cpuinfo on a laptop with a Core 2 Duo T7200 CPU. processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 CPU T7200Continue reading “meaning of flags field in /proc/cpuinfo”
