System processing time

From: Shashidhar MC (
Date: Wed May 01 2002 - 03:44:39 EST

Hello everybody,

I am using Linux 2.4.2.
I am trying to estimate the time taken by the system
to process packets at different stages. I am basically
trying to find out where the bottleneck is, in some
386 and 486 machines, while processing packets.

Can you please let me know how I could go about
finding out the time spent in processing the packet at
different stages: from the moment it is received by
the Ethernet card to the time when it is delivered to
the application. Do I have any system call / lib /
command for this? Or do we have an ioctl() for this ?

Thanks in advance.


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