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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