change the sampling time in the gprof

[perugupa@csee.wvu.edu]

> Ian Lance Taylor <ian@wasabisystems.com> writes:
>
>> On typical Unix systems, as well as on GNU/Linux, the precision of the
>> gprof timer is determined by the behaviour of the profil() function. I
>> don't know whether there is any way to adjust that on your
>> particular system.
>
> Linux (the kernel) does not implement profil().  glibc uses
> setitimer() and SIGPROF for profiling.
>
> zw

is there any way to change the sample time in Linux using setitimer or
SGPROF.
nath.