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From: "Mark Chambers" <markc@mail.com>
To: "Schaefer-Hutter, Peter" <Peter.Schaefer-Hutter@tfk-racoms.com>,
	<linuxppc-embedded@ozlabs.org>
Subject: Re: 2.4.26 and MPC885 context switching time
Date: Wed, 15 Jun 2005 11:13:05 -0400	[thread overview]
Message-ID: <00c601c571bc$be6c8320$0301a8c0@chuck2> (raw)
In-Reply-To: 8E342283C2100540AAC5D1030970547766F7A1@rcexc.racoms.loc

>Hi all,
>
>i'm evaluating IPC on the MPC885ADS and discovered
>that the context switching times seem to be quite 
>disappointing (up to 1ms). As we need to do a lot 
>of IPC later on, i'm interested bringing the time 
>down.
>
>Therefore i wonder, if there are any known problems 
>with the MMU on 8xx and 2.4.2x which might explain 
>that? 

Maybe it would help if you gave more detail about how
you are measuring these times in your system.

I'm interested to know the answer to this myself!

Mark Chambers

  reply	other threads:[~2005-06-15 15:12 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-06-15 14:55 2.4.26 and MPC885 context switching time Schaefer-Hutter, Peter
2005-06-15 15:13 ` Mark Chambers [this message]
2005-06-15 20:04 ` Jaap-Jan Boor
2005-06-15 23:38   ` Wolfgang Denk
  -- strict thread matches above, loose matches on Subject: below --
2005-06-15 15:43 Schaefer-Hutter, Peter
2005-06-16  1:21 ` Dan Malek
2005-06-15 17:04 Andrew Williams
2005-06-16 14:03 Steven Blakeslee

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