Collection Time is wall time from the beginning to the end of collection, excluding Paused Time.
The ratio between the actual and the nominal CPU frequencies. Values above 1.0 indicate that CPU is operating in a turbo boost mode.
Cx Residency is the time spent in each of the low-power sleep states. Analyze the Cx Residency metrics and determine whether the processor was effectively 'sleeping' during idle periods.
The number of cycles during which no port was utilized.