+++ /dev/null
-\r
-CPUID: processor ID\r
-\r
-IrqId: IRQ ID\r
-\r
-Frequency (Hz): the number of interruptions per second (Hz)\r
-\r
-Total Duration (nsec): the sum of each interrupt duration in nsec\r
-\r
-Duration standard deviation (nsec): taken from \r
-http://en.wikipedia.org/wiki/Standard_deviation\r
-Duration Standard_deviation = sqrt(1/N Sum ((xi -Xa)^2)) where\r
-N: the total number of interrupts \r
-xi: the duration of an interrupt\r
-Xa: the average duration is the total duration divided by the total number of interrupts (N)\r
-\r
-Max IRQ handler duration (nsec) [time interval]: the longest IRQ handler duration in nsec. \r
-\r
-Average period (nsec): 1/Frequency\r
- \r
-Period Standard_deviation = sqrt(1/N Sum ((xi -Xa)^2)) where\r
-N: number of interrupts \r
-xi: duration of an interrupt\r
-Xa: Average period in nsec\r