Current

This shows the number of samples in the current time slice and the number of these samples in which CPU activity was observed. The heading shows the elapsed time of the time slice.

Under heading This is displayed
Samples The number of samples performed in the current time slice.
CPU Active The number of samples in the current time slice in which one or more CPUs were executing instructions in the measured region. The histogram represents the proportion of the time slice in which CPU activity was observed.