drvdelay
This action produces a text report that summarizes the metrics regarding drivers.
-a drvdelay [-min [t]] [-name <driver>] [-range T1 T2]
Options
-min[t]
Show only delays longer than n, in microseconds.
-name<driver>
Show only delays by the specified driver.
-rangeT1 T2
Show delays between T1 and T2, in microseconds.