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I want to compare the efficiency of Network Stacks of two different operating systems(Linux and Solaris) by measuring the amount of resources(context switches, systemcalls etc) that are consumed in the processing of each packet. I have planned to use systemtap infrastructure to perform the same because it allows dynamic probing of both user and kernel spaces. Can somebody tell me how much feasible it is?

In order to find good results, what I actually should take care of ?

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I'd use "lmbench" (lmbench.sourceforge.net) as a guide. Take a look before doing anything else. – Bruce Ediger Feb 27 '12 at 21:26
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What is your definition of "good" results? Assuming you could actually define a measure of efficiency, what would you use it for? Suppose the stacks varied by 5% according to some metric, would that inform a decision? I'm not trying to be difficult, but there are some questions, though answerable, that may not be worth asking. – msw Feb 28 '12 at 3:05

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