From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from penguin.netx4.com (embeddededge.com [209.113.146.155]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 5A33E67A8A for ; Wed, 23 Mar 2005 08:55:15 +1100 (EST) In-Reply-To: <20050322130426.GE2498@logos.cnet> References: <28F2CE72-0BF0-11D9-97DC-003065F9B7DC@embeddededge.com> <20050210150437.GA19134@logos.cnet> <20050210170658.GA20153@logos.cnet> <20050210170859.GB20153@logos.cnet> <423F4071.1000001@mrv.com> <20050322130426.GE2498@logos.cnet> Mime-Version: 1.0 (Apple Message framework v619.2) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: From: Dan Malek Date: Tue, 22 Mar 2005 15:57:08 -0500 To: Marcelo Tosatti Cc: "Smith, Craig" , paulus@samba.org, linux-ppc-embedded Subject: Re: Linux 2.6.x on 8xx status List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mar 22, 2005, at 8:04 AM, Marcelo Tosatti wrote: > I'm quite puzzled. Why v2.6 calls the "tlbie" instruction 100-or-so > less times than v2.4 ? Oh my ... I'm more worried about the high number of TLB misses in 2.6 compared to 2.4. That's really bad. How did you instrument the tlbie measurement? It could be that 2.4 used lots more 'tlbia' which were replaced by tlbie in 2.6. Thanks. -- Dan