Re: [RFC][PATCH] signals: don't copy siginfo_t on dequeue

[Ingo Molnar]

* Oleg Nesterov <oleg@xxxxxxxxxx> wrote:

> On 02/26, Vegard Nossum wrote:
> >
> > 2009/2/26 Ingo Molnar <mingo@xxxxxxx>:
> > >
> > > I.e. shouldnt we have seen a speedup, due to not having to copy
> > > the siginfo structure?
> 
> I am puzzled by these numbers too. I can't understand how this 
> patch can make any difference.

Measurement noise perhaps. Especially such microbenchmarks can 
be very sensitive to cache layout, etc.

	Ingo
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