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From: "Young K" <young_uml@hotmail.com>
To: blaisorblade_spam@yahoo.it, user-mode-linux-devel@lists.sourceforge.net
Subject: Re: [uml-devel] slow execution in uml?
Date: Tue, 05 Oct 2004 14:41:34 -0400	[thread overview]
Message-ID: <BAY22-F95cizlK4nNAR00009729@hotmail.com> (raw)

Hi,

>
>What is slower in UML (a lot slower) is (at least):
>- syscall execution
>- page fault
>
>At a first glance, I wouldn't be surprised if the syscall itself took 
>26,000
>cycles (they are rdtsc units, right?).

Thanks for the reply. But, i measured the time after sys_sendto() is called. 
i mean, timestamp was made inside sys_sendto() kernel routine. so, syscall 
overhead wouldn't be included. what do you think?

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             reply	other threads:[~2004-10-05 18:42 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-10-05 18:41 Young K [this message]
  -- strict thread matches above, loose matches on Subject: below --
2004-10-04 21:35 [uml-devel] slow execution in uml? Young K
2004-10-05 18:21 ` BlaisorBlade

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