Guest post about Linux CPU power management for embedded systems, specifically covering cpuidle in depth, including drivers ...

The System Idle Process on a computer can't cause high CPU usage because the process is a measurement of how much of the CPU's resources are free at any given moment. Unlike every other process in the ...

The sar command can provide detailed system metrics on just about every aspect of system performance. You can query it on as as-needed basis or set it up to provide daily reports. Sar is a system ...