From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268828AbUHMFli (ORCPT ); Fri, 13 Aug 2004 01:41:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268998AbUHMFkp (ORCPT ); Fri, 13 Aug 2004 01:40:45 -0400 Received: from mustang.oldcity.dca.net ([216.158.38.3]:16536 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S268828AbUHMFkh (ORCPT ); Fri, 13 Aug 2004 01:40:37 -0400 Subject: Re: [patch] Latency Tracer, voluntary-preempt-2.6.8-rc4-O6 From: Lee Revell To: Ingo Molnar Cc: linux-kernel , Felipe Alfaro Solana , Florian Schmidt In-Reply-To: <1092374851.3450.13.camel@mindpipe> References: <20040726082330.GA22764@elte.hu> <1090830574.6936.96.camel@mindpipe> <20040726083537.GA24948@elte.hu> <1090832436.6936.105.camel@mindpipe> <20040726124059.GA14005@elte.hu> <20040726204720.GA26561@elte.hu> <20040729222657.GA10449@elte.hu> <20040801193043.GA20277@elte.hu> <20040809104649.GA13299@elte.hu> <20040810132654.GA28915@elte.hu> <20040812235116.GA27838@elte.hu> <1092374851.3450.13.camel@mindpipe> Content-Type: text/plain Message-Id: <1092375673.3450.15.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Fri, 13 Aug 2004 01:41:13 -0400 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2004-08-13 at 01:27, Lee Revell wrote: > On Thu, 2004-08-12 at 19:51, Ingo Molnar wrote: > > i've uploaded the latest version of the voluntary-preempt patch: > > > > http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.8-rc4-O6 > Ugh, this is a bad one: preemption latency trace v1.0 ----------------------------- latency: 506 us, entries: 157 (157) process: evolution/3461, uid: 1000 nice: 0, policy: 0, rt_priority: 0 =======> 0.000ms (+0.000ms): get_random_bytes (__check_and_rekey) 0.000ms (+0.000ms): extract_entropy (get_random_bytes) 0.002ms (+0.001ms): extract_entropy (extract_entropy) 0.003ms (+0.001ms): SHATransform (extract_entropy) 0.004ms (+0.000ms): memcpy (SHATransform) 0.014ms (+0.010ms): add_entropy_words (extract_entropy) 0.016ms (+0.002ms): SHATransform (extract_entropy) 0.016ms (+0.000ms): memcpy (SHATransform) 0.025ms (+0.008ms): add_entropy_words (extract_entropy) 0.026ms (+0.000ms): SHATransform (extract_entropy) 0.026ms (+0.000ms): memcpy (SHATransform) 0.035ms (+0.008ms): add_entropy_words (extract_entropy) 0.035ms (+0.000ms): SHATransform (extract_entropy) 0.036ms (+0.000ms): memcpy (SHATransform) 0.044ms (+0.008ms): add_entropy_words (extract_entropy) 0.045ms (+0.000ms): SHATransform (extract_entropy) 0.045ms (+0.000ms): memcpy (SHATransform) 0.053ms (+0.008ms): add_entropy_words (extract_entropy) 0.054ms (+0.000ms): SHATransform (extract_entropy) 0.055ms (+0.000ms): memcpy (SHATransform) 0.063ms (+0.008ms): add_entropy_words (extract_entropy) 0.064ms (+0.000ms): SHATransform (extract_entropy) 0.064ms (+0.000ms): memcpy (SHATransform) 0.072ms (+0.008ms): add_entropy_words (extract_entropy) 0.073ms (+0.000ms): SHATransform (extract_entropy) 0.073ms (+0.000ms): memcpy (SHATransform) 0.082ms (+0.008ms): add_entropy_words (extract_entropy) 0.083ms (+0.001ms): SHATransform (extract_entropy) 0.083ms (+0.000ms): memcpy (SHATransform) 0.091ms (+0.008ms): add_entropy_words (extract_entropy) 0.092ms (+0.000ms): SHATransform (extract_entropy) 0.092ms (+0.000ms): memcpy (SHATransform) 0.101ms (+0.008ms): add_entropy_words (extract_entropy) 0.101ms (+0.000ms): SHATransform (extract_entropy) 0.102ms (+0.000ms): memcpy (SHATransform) 0.110ms (+0.008ms): add_entropy_words (extract_entropy) 0.111ms (+0.000ms): SHATransform (extract_entropy) 0.111ms (+0.000ms): memcpy (SHATransform) 0.119ms (+0.008ms): add_entropy_words (extract_entropy) 0.120ms (+0.000ms): SHATransform (extract_entropy) 0.120ms (+0.000ms): memcpy (SHATransform) 0.129ms (+0.008ms): add_entropy_words (extract_entropy) 0.129ms (+0.000ms): SHATransform (extract_entropy) 0.129ms (+0.000ms): memcpy (SHATransform) 0.138ms (+0.008ms): add_entropy_words (extract_entropy) 0.139ms (+0.000ms): SHATransform (extract_entropy) 0.139ms (+0.000ms): memcpy (SHATransform) 0.147ms (+0.008ms): add_entropy_words (extract_entropy) 0.148ms (+0.000ms): SHATransform (extract_entropy) 0.148ms (+0.000ms): memcpy (SHATransform) 0.157ms (+0.008ms): add_entropy_words (extract_entropy) 0.158ms (+0.000ms): SHATransform (extract_entropy) 0.158ms (+0.000ms): memcpy (SHATransform) 0.166ms (+0.008ms): add_entropy_words (extract_entropy) 0.167ms (+0.000ms): SHATransform (extract_entropy) 0.167ms (+0.000ms): memcpy (SHATransform) 0.176ms (+0.008ms): add_entropy_words (extract_entropy) 0.177ms (+0.000ms): SHATransform (extract_entropy) 0.177ms (+0.000ms): memcpy (SHATransform) 0.185ms (+0.008ms): add_entropy_words (extract_entropy) 0.186ms (+0.000ms): SHATransform (extract_entropy) 0.186ms (+0.000ms): memcpy (SHATransform) 0.195ms (+0.008ms): add_entropy_words (extract_entropy) 0.196ms (+0.000ms): SHATransform (extract_entropy) 0.196ms (+0.000ms): memcpy (SHATransform) 0.204ms (+0.008ms): add_entropy_words (extract_entropy) 0.205ms (+0.000ms): SHATransform (extract_entropy) 0.205ms (+0.000ms): memcpy (SHATransform) 0.214ms (+0.008ms): add_entropy_words (extract_entropy) 0.214ms (+0.000ms): SHATransform (extract_entropy) 0.215ms (+0.000ms): memcpy (SHATransform) 0.223ms (+0.008ms): add_entropy_words (extract_entropy) 0.224ms (+0.000ms): SHATransform (extract_entropy) 0.224ms (+0.000ms): memcpy (SHATransform) 0.233ms (+0.008ms): add_entropy_words (extract_entropy) 0.234ms (+0.001ms): SHATransform (extract_entropy) 0.234ms (+0.000ms): memcpy (SHATransform) 0.242ms (+0.008ms): add_entropy_words (extract_entropy) 0.243ms (+0.000ms): SHATransform (extract_entropy) 0.243ms (+0.000ms): memcpy (SHATransform) 0.252ms (+0.008ms): add_entropy_words (extract_entropy) 0.252ms (+0.000ms): SHATransform (extract_entropy) 0.253ms (+0.000ms): memcpy (SHATransform) 0.261ms (+0.008ms): add_entropy_words (extract_entropy) 0.262ms (+0.000ms): SHATransform (extract_entropy) 0.262ms (+0.000ms): memcpy (SHATransform) 0.271ms (+0.008ms): add_entropy_words (extract_entropy) 0.271ms (+0.000ms): SHATransform (extract_entropy) 0.272ms (+0.000ms): memcpy (SHATransform) 0.280ms (+0.008ms): add_entropy_words (extract_entropy) 0.281ms (+0.000ms): SHATransform (extract_entropy) 0.281ms (+0.000ms): memcpy (SHATransform) 0.289ms (+0.008ms): add_entropy_words (extract_entropy) 0.290ms (+0.000ms): SHATransform (extract_entropy) 0.290ms (+0.000ms): memcpy (SHATransform) 0.299ms (+0.008ms): add_entropy_words (extract_entropy) 0.300ms (+0.000ms): SHATransform (extract_entropy) 0.300ms (+0.000ms): memcpy (SHATransform) 0.308ms (+0.008ms): add_entropy_words (extract_entropy) 0.309ms (+0.000ms): SHATransform (extract_entropy) 0.309ms (+0.000ms): memcpy (SHATransform) 0.318ms (+0.008ms): add_entropy_words (extract_entropy) 0.319ms (+0.000ms): SHATransform (extract_entropy) 0.319ms (+0.000ms): memcpy (SHATransform) 0.327ms (+0.008ms): add_entropy_words (extract_entropy) 0.328ms (+0.000ms): SHATransform (extract_entropy) 0.328ms (+0.000ms): memcpy (SHATransform) 0.337ms (+0.008ms): add_entropy_words (extract_entropy) 0.338ms (+0.000ms): SHATransform (extract_entropy) 0.338ms (+0.000ms): memcpy (SHATransform) 0.346ms (+0.008ms): add_entropy_words (extract_entropy) 0.347ms (+0.000ms): SHATransform (extract_entropy) 0.347ms (+0.000ms): memcpy (SHATransform) 0.356ms (+0.008ms): add_entropy_words (extract_entropy) 0.356ms (+0.000ms): SHATransform (extract_entropy) 0.357ms (+0.000ms): memcpy (SHATransform) 0.365ms (+0.008ms): add_entropy_words (extract_entropy) 0.366ms (+0.000ms): SHATransform (extract_entropy) 0.366ms (+0.000ms): memcpy (SHATransform) 0.375ms (+0.008ms): add_entropy_words (extract_entropy) 0.375ms (+0.000ms): SHATransform (extract_entropy) 0.376ms (+0.000ms): memcpy (SHATransform) 0.384ms (+0.008ms): add_entropy_words (extract_entropy) 0.385ms (+0.001ms): add_entropy_words (extract_entropy) 0.396ms (+0.010ms): credit_entropy_store (extract_entropy) 0.397ms (+0.001ms): SHATransform (extract_entropy) 0.397ms (+0.000ms): memcpy (SHATransform) 0.405ms (+0.008ms): add_entropy_words (extract_entropy) 0.406ms (+0.000ms): SHATransform (extract_entropy) 0.407ms (+0.000ms): memcpy (SHATransform) 0.415ms (+0.008ms): add_entropy_words (extract_entropy) 0.416ms (+0.001ms): SHATransform (extract_entropy) 0.416ms (+0.000ms): memcpy (SHATransform) 0.425ms (+0.008ms): add_entropy_words (extract_entropy) 0.425ms (+0.000ms): SHATransform (extract_entropy) 0.426ms (+0.000ms): memcpy (SHATransform) 0.434ms (+0.008ms): add_entropy_words (extract_entropy) 0.435ms (+0.001ms): SHATransform (extract_entropy) 0.436ms (+0.000ms): memcpy (SHATransform) 0.444ms (+0.008ms): add_entropy_words (extract_entropy) 0.445ms (+0.000ms): SHATransform (extract_entropy) 0.445ms (+0.000ms): memcpy (SHATransform) 0.453ms (+0.008ms): add_entropy_words (extract_entropy) 0.455ms (+0.001ms): SHATransform (extract_entropy) 0.455ms (+0.000ms): memcpy (SHATransform) 0.463ms (+0.008ms): add_entropy_words (extract_entropy) 0.464ms (+0.000ms): SHATransform (extract_entropy) 0.464ms (+0.000ms): memcpy (SHATransform) 0.473ms (+0.008ms): add_entropy_words (extract_entropy) 0.474ms (+0.001ms): SHATransform (extract_entropy) 0.474ms (+0.000ms): memcpy (SHATransform) 0.482ms (+0.008ms): add_entropy_words (extract_entropy) 0.483ms (+0.000ms): SHATransform (extract_entropy) 0.483ms (+0.000ms): memcpy (SHATransform) 0.492ms (+0.008ms): add_entropy_words (extract_entropy) 0.493ms (+0.001ms): local_bh_enable (__check_and_rekey) 0.494ms (+0.000ms): check_preempt_timing (sub_preempt_count) Lee