From: Jan Killius <jkillius@arcor.de>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: linux-ide@vger.kernel.org
Subject: Re: worst via_sata performance
Date: Thu, 1 Apr 2004 11:33:53 +0200 [thread overview]
Message-ID: <200404011133.53344.jkillius@arcor.de> (raw)
In-Reply-To: <406BB322.8060509@pobox.com>
with 2.6.5-rc3-mm3 I only getting 28.19 MB/sec with generic ide don't now why
and I can only select a dma up to udma2 which is really slow.
>
> Do things change if you back out the "speed up SATA" patch?
no not really.
>
> Also, device information from hdparm, when using the IDE generic driver,
> would be useful.
dmesg:
ide: Assuming 66MHz system bus speed for PIO modes
VIA8237SATA: IDE controller at PCI slot 0000:00:0f.0
VIA8237SATA: chipset revision 128
VIA8237SATA: 100% native mode on irq 20
ide2: BM-DMA at 0xd400-0xd407, BIOS settings: hde:pio, hdf:pio
ide3: BM-DMA at 0xd408-0xd40f, BIOS settings: hdg:pio, hdh:pio
hde: HDS722516VLSA80, ATA DISK drive
Using cfq io scheduler
ide2 at 0xe800-0xe807,0xe402 on irq 20
hdg: HDS722516VLSA80, ATA DISK drive
ide3 at 0xe000-0xe007,0xd802 on irq 20
hde: max request size: 1024KiB
hde: 321672960 sectors (164696 MB) w/7938KiB Cache, CHS=20023/255/63
hde: hde1 < > hde2
hdg: max request size: 1024KiB
hdg: 321672960 sectors (164696 MB) w/7938KiB Cache, CHS=20023/255/63
hdg: unknown partition table
hdparm:
/dev/hdg:
multcount = 16 (on)
IO_support = 3 (32-bit w/sync)
unmaskirq = 1 (on)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 256 (on)
geometry = 20023/255/63, sectors = 321672960, start = 0
Model=HDS722516VLSA80, FwRev=V34OA60A, SerialNo=VNRD9FC4C81WDM
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=DualPortCache, BuffSize=7938kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2
AdvancedPM=yes: disabled (255) WriteCache=enabled
Drive conforms to: ATA/ATAPI-6 T13 1410D revision 3a:
* signifies the current active mode
>
> Is this in 32-bit or 64-bit mode?
yes it's a 64 bit system
>
> Jeff
prev parent reply other threads:[~2004-04-01 9:33 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-01 1:57 worst via_sata performance Jan Killius
2004-04-01 6:13 ` Jeff Garzik
2004-04-01 9:33 ` Jan Killius [this message]
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