Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 2 Dec 2001 07:01:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 2 Dec 2001 07:01:46 -0500 Received: from swazi.realnet.co.sz ([196.28.7.2]:59115 "HELO netfinity.realnet.co.sz") by vger.kernel.org with SMTP id ; Sun, 2 Dec 2001 07:01:35 -0500 Date: Sun, 2 Dec 2001 14:06:12 +0200 (SAST) From: Zwane Mwaikambo X-X-Sender: To: Linux Kernel Subject: average user comments on 2.5.1-pre5 Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, I've just tried running 2.5.1-pre5 on my desktop machine and noticed the following, when untarring medium sized files (kernel tarballs) even from disk to disk (different channels) or moving large files around i get mouse lag in X and after its done, and the flushing to disk begins the interactive performance of the box takes a dive for the duration of that disk activity. The last kernel i had before this was 2.4.13-ac7-preempt which didn't exhibit this. 2.5.1-pre1 has the same problem. The box is a P3-550/512M with disks doing UDMA33 on a PIIX4, the source filesystem (where the tarballs are) is an ext3 one and destination is ReiserFS (different disks/channels). The lag doesn't seem attributed to CPU usage because the disk i/o barely hits the CPU (also checked via xosview). VM performance on the other hand is quite nice, it does the right thing a good majority of the time (unused stuff getting paged out, proper cache/buffer usage) Main memory usage is a mixture of large datasets and disk cache (multiple 500+ page PDFs being searched, whilst doing various background compiles). Regards, Zwane Mwaikambo - 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/