Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 29 Oct 2000 18:23:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 29 Oct 2000 18:22:57 -0500 Received: from smtp03.mrf.mail.rcn.net ([207.172.4.62]:55006 "EHLO smtp03.mrf.mail.rcn.net") by vger.kernel.org with ESMTP id ; Sun, 29 Oct 2000 18:22:46 -0500 Message-ID: <39FCB13E.6267C38D@haque.net> Date: Sun, 29 Oct 2000 18:22:38 -0500 From: "Mohammad A. Haque" X-Mailer: Mozilla 4.76 [en] (X11; U; Linux 2.4.0-test10 i686) X-Accept-Language: en MIME-Version: 1.0 To: linux-kernel Subject: ide/disk perf? Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Could someone who knows ide and drive inside and out (Andre?) please take a look at these figures? Am I forgetting to do something (or doing something I'm not suposed to) to get the best numbers? I thought I'd be able to get more than ~4MB/sec off the HPT366 and a UDMA66 drive. Kernel: 2.4.0-test10-pre6 Onboard PIIX4 (Abit BE6-II): [mhaque@viper mhaque]$ sudo hdparm -X34 -d1 -u1 -c3 -m16 /dev/hda /dev/hda: setting 32-bit I/O support flag to 3 setting multcount to 16 setting unmaskirq to 1 (on) setting using_dma to 1 (on) setting xfermode to 34 (multiword DMA mode2) multcount = 16 (on) I/O support = 3 (32-bit w/sync) unmaskirq = 1 (on) using_dma = 1 (on) [mhaque@viper mhaque]$ dmesg|grep '^hda:'; sudo hdparm -Tt /dev/hda hda: IBM-DJNA-371350, ATA DISK drive hda: 26520480 sectors (13578 MB) w/1966KiB Cache, CHS=1650/255/63, UDMA(33) /dev/hda: Timing buffer-cache reads: 128 MB in 1.12 seconds =114.29 MB/sec Timing buffered disk reads: 64 MB in 4.94 seconds = 12.96 MB/sec [mhaque@viper mhaque]$ sudo hdparm -i /dev/hda /dev/hda: Model=IBM-DJNA-371350, FwRev=J76OA30K, SerialNo=GM0GMFE4929 Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs } RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=34 BuffType=3(DualPortCache), BuffSize=1966kB, MaxMultSect=16, MultSect=16 DblWordIO=no, OldPIO=2, DMA=yes, OldDMA=2 CurCHS=16383/16/63, CurSects=-66060037, LBA=yes, LBAsects=26520480 tDMA={min:120,rec:120}, DMA modes: mword0 mword1 *mword2 IORDY=on/off, tPIO={min:240,w/IORDY:120}, PIO modes: mode3 mode4 UDMA modes: mode0 mode1 mode2 mode3 mode4 Onboard HPT366 (Abit BE6-II): [mhaque@viper mhaque]$ sudo hdparm -X66 -d1 -u1 -c3 -m16 /dev/hde /dev/hde: setting 32-bit I/O support flag to 3 setting multcount to 16 setting unmaskirq to 1 (on) setting using_dma to 1 (on) setting xfermode to 66 (UltraDMA mode2) multcount = 16 (on) I/O support = 3 (32-bit w/sync) unmaskirq = 1 (on) using_dma = 1 (on) [mhaque@viper mhaque]$ dmesg|grep '^hde:'; sudo hdparm -Tt /dev/hde hde: Maxtor 53073U6, ATA DISK drive hde: 60030432 sectors (30736 MB) w/2048KiB Cache, CHS=59554/16/63, UDMA(66) /dev/hde: Timing buffer-cache reads: 128 MB in 1.24 seconds =103.23 MB/sec Timing buffered disk reads: 64 MB in 16.18 seconds = 3.96 MB/sec [mhaque@viper mhaque]$ sudo hdparm -i /dev/hde /dev/hde: Model=Maxtor 53073U6, FwRev=DA6207V0, SerialNo=K608NRYC Config={ Fixed } RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57 BuffType=3(DualPortCache), BuffSize=2048kB, MaxMultSect=16, MultSect=16 DblWordIO=no, OldPIO=2, DMA=yes, OldDMA=0 CurCHS=65535/1/63, CurSects=-4128706, LBA=yes, LBAsects=60030432 tDMA={min:120,rec:120}, DMA modes: mword0 mword1 mword2 IORDY=on/off, tPIO={min:120,w/IORDY:120}, PIO modes: mode3 mode4 UDMA modes: mode0 mode1 *mode2 mode3 mode4 -- ===================================================================== Mohammad A. Haque http://www.haque.net/ mhaque@haque.net "Alcohol and calculus don't mix. Project Lead Don't drink and derive." --Unknown http://wm.themes.org/ batmanppc@themes.org ===================================================================== - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/