I have the following questions:
>
>       A. Using the Linux kernel source, describe how the three
>       interval timers ITIMER_REAL, ITIMER_VIRTUAL, TIMER_PROF are
>       implemented.
>
>       B. How would you use ITIMER_VIRTUAL, TIMER_PROF interval timers
>       to profile a process. The profile should give the real time of
>       execution, CPU time, user space-time, and kernel space-time.
>       Output should include CPU time, time in kernel space, time in
>       user space using ITIMER_VIRTUAL, TIMER_PROF. Times will have
>       millisecond accuracy.
>
>Thank You
 
Keyvan


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