This option enables measurement of time spent in each IRQ handler.
Measured data is being displayed through the "/proc/interrupts" file.
The CPU usage mean value for each IRQ handler and the maximum continuous
time spent in each IRQ handler are being calculated for the time elapsed
between two subsequent reads of the "/proc/interrupts" file.
This option enables measurement of time spent in each SOFTIRQ handler.
Measurement includes every tasklet, that is being registered for this
measure through the "tasklet_register()" function. The "tasklet_init()"
calls register tasklets automaticaly.
Measured data is being displayed through the "/proc/softirqs" file.
The CPU usage mean value for each SOFTIRQ handler and the maximum continuous
time spent in each SOFTIRQ handler are being calculated for the time elapsed
between two subsequent reads of the "/proc/softirqs" file.