Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765489AbXE2T74 (ORCPT ); Tue, 29 May 2007 15:59:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1765407AbXE2T7n (ORCPT ); Tue, 29 May 2007 15:59:43 -0400 Received: from an-out-0708.google.com ([209.85.132.248]:17747 "EHLO an-out-0708.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1765382AbXE2T7l (ORCPT ); Tue, 29 May 2007 15:59:41 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=SQQ9K5OWxvXQHOudEacc4YvEBypu0UKWd7z/E+maKjjZLu1k6W9LQGDFwlFYoUSAQ258s1syDx6JvTtRQr1qHUUmffNQZHp+61FiM25HCH2cDGYeyoUpSXzYVhg4lpPbIBC7LM4liExLgW2Qt/sve/6ksI5I8YPBbWbQW59Uq7k= Message-ID: <5486cca80705291259s63edf2bcv7035f700aa23e8b1@mail.gmail.com> Date: Tue, 29 May 2007 21:59:34 +0200 From: "Antonino Ingargiola" To: "Con Kolivas" Subject: Re: [ck] 2.6.22-rc3-ck1 Cc: "ck list" , "linux kernel mailing list" In-Reply-To: <5486cca80705291253vb793caqd632f3adbb2479ad@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <200705270800.06612.kernel@kolivas.org> <5486cca80705291253vb793caqd632f3adbb2479ad@mail.gmail.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1313 Lines: 40 2007/5/29, Antonino Ingargiola : [cut] > Swap Prefetch OFF > # ./sp_tester > Ram 776388000 Swap 514040000 > Total ram to be malloced: 1033408000 bytes > Starting first malloc of 516704000 bytes > Starting 1st read of first malloc > Touching this much ram takes 1642 milliseconds > Starting second malloc of 516704000 bytes > Completed second malloc and free > Sleeping for 60 seconds > Important part - starting reread of first malloc > Completed read of first malloc > Timed portion 9089 milliseconds > > > Swap Prefetch OFF > # ./sp_tester > Ram 776388000 Swap 514040000 > Total ram to be malloced: 1033408000 bytes > Starting first malloc of 516704000 bytes > Starting 1st read of first malloc > Touching this much ram takes 1635 milliseconds > Starting second malloc of 516704000 bytes > Completed second malloc and free > Sleeping for 60 seconds > Important part - starting reread of first malloc > Completed read of first malloc > Timed portion 1783 milliseconds The second case is clearly with swap prefetch *ON*, sorry. ~ Antonio - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/