Date: Wed, 3 Mar 1999 14:47:02 -0800 (PST) From: Alex Zepeda <garbanzo@hooked.net> To: Geoff Rehmet <geoffr@is.co.za> Cc: sos@FreeBSD.ORG, current@FreeBSD.ORG Subject: Re: ATA driver Message-ID: <Pine.BSF.4.05.9903031441500.236-100000@zippy.dyn.ml.org> In-Reply-To: <199903020906.LAA00297@hangdog.is.co.za>
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On Tue, 2 Mar 1999, Geoff Rehmet wrote:
> Just some results of testing the comparison of wd and ata:
>
> Both bonnie tests were run on a freshly booted machine, P133,
> 64M RAM, running X and netscape, but only Bonnie active:
Odd. My (crapy?) WD drive is much faster with DMA (not UDMA AFAIK), so
the ATA driver is a loss according to bonnie. I tried a bunch of
different settings for the wd driver, and here's the result for posterity
(do with it what you will):
-------Sequential Output-------- ---Sequential Input-- --Random--
-Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU
WD+SU+ND 256 6234 32.8 7294 11.6 3263 5.7 6048 27.8 7730 6.9 126.6 2.4
WD+SU+AL 256 11405 49.1 11036 16.6 3678 7.3 11284 51.4 11434 13.3 123.6 1.7
WD+SU+AL 256 11150 48.1 11026 16.9 3735 7.4 11295 51.3 11428 13.1 140.1 1.8
WD+SU+DM 256 11420 48.7 10965 16.5 3729 7.4 11349 51.4 11379 13.1 140.3 1.8
WD+SU+32 256 5073 22.5 5580 9.2 2657 5.2 4879 23.6 5985 5.4 128.8 1.5
WD+SU+MB 256 3739 24.6 4047 7.7 1950 3.9 3817 17.5 4354 5.0 118.2 3.4
WD+SU 256 3288 14.8 3478 6.1 1744 3.1 3312 15.8 3752 3.8 120.9 1.1
ATA 256 6313 33.8 7407 12.5 2557 4.8 6124 26.9 7874 6.0 128.6 2.4
ATA = ata driver, soft updates
WD+SU = wd driver, soft updates
WD+SU+ND= wd driver, soft updates, 32 bit, multiblock-16
WD+SU+AL= wd driver, soft updates, dma, 32 bit, multiblock-16 (after shutting down X, then after a fresh reboot)
WD+SU+DM= wd driver, soft updates, dma
WD+SU+32= wd driver, soft updates, 32 bit
WD+SU+MB= wd driver, soft updates, multiblock-16
And the dmesg output (It's a PII not a Celeron or Xeon):
Copyright (c) 1992-1999 FreeBSD Inc.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
FreeBSD 4.0-CURRENT #0: Wed Mar 3 01:33:41 PST 1999
root@zippy.dyn.ml.org:/usr/src/sys/compile/ATA
Timecounter "i8254" frequency 1193182 Hz
CPU: Pentium II/Xeon/Celeron (448.97-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x652 Stepping=2
Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>
real memory = 134217728 (131072K bytes)
avail memory = 127893504 (124896K bytes)
Preloaded elf kernel "kenrel.z" at 0xf02ab000.
Probing for devices on PCI bus 0:
chip0: <Intel 82443BX host to PCI bridge> rev 0x03 on pci0.0.0
chip1: <Intel 82443BX host to AGP bridge> rev 0x03 on pci0.1.0
chip2: <Intel 82371AB PCI to ISA bridge> rev 0x02 on pci0.7.0
ata-pci0: <Intel PIIX4 IDE controller> rev 0x01 on pci0.7.1
ata0 at 0x01f0 irq 14 on ata-pci0
ata1 at 0x0170 irq 15 on ata-pci0
intpm0: <Intel 82371AB Power management controller> rev 0x02 on pci0.7.3
intpm0: I/O mapped 7000 ALLOCED IRQ 0 intr IRQ 9 enabled revision 0
intsmb0: <Intel PIIX4 SMBUS Interface>
smbus0: <System Management Bus> on intsmb0
smb0: <SMBus general purpose I/O> on smbus0
intpm0: PM I/O mapped 8000
Probing for devices on PCI bus 1:
vga0: <Diamond Viper 550 TNT graphics accelerator> rev 0x04 int a irq 9 on pci1.0.0
Probing for PnP devices:
CSN 1 Vendor ID: CTL00e4 [0xe4008c0e] Serial 0x1cbc4202 Comp ID: PNPb02f [0x2fb0d041]
pcm1 (SB16pnp <SB16 PnP> sn 0x1cbc4202) at 0x220-0x22f irq 5 drq 1 flags 0x15 on isa
CSN 2 Vendor ID: CRD0001 [0x0100440e] Serial 0x00416288 Comp ID: @@@0000 [0x00000000]
Probing for devices on the ISA bus:
sc0 on isa
sc0: VGA color <16 virtual consoles, flags=0x0>
atkbdc0 at 0x60-0x6f on motherboard
ppc0 at 0x378 irq 7 on isa
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
plip0: <PLIP network interface> on ppbus 0
lpt0: <generic printer> on ppbus 0
lpt0: Interrupt-driven port
ppi0: <generic parallel i/o> on ppbus 0
lppps0: <Pulse per second Timing Interface> on ppbus 0
atkbd0 irq 1 on isa
psm0 irq 12 on isa
psm0: model MouseMan+, device ID 0
pcm0 not probed due to drq conflict with pcm1 at 1
sio0 at 0x3f8-0x3ff irq 4 flags 0x10 on isa
sio0: type 16550A
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: FIFO enabled, 8 bytes threshold
fd0: 1.44MB 3.5in
apm0 on isa
apm: found APM BIOS version 1.2
vga0 at 0x3b0-0x3df maddr 0xa0000 msize 131072 on isa
npx0 on motherboard
npx0: INT 16 interface
ata1: unwanted interrupt
ad0: <WDC AC313000R/15.01J55> ATA-4 disk at ata0 as master
ad0: 12416MB (25429824 sectors), 16383 cyls, 16 heads, 63 S/T, 512 B/S
ad0: 16 secs/int, 0 depth queue
acd0: <NEC CD-ROM DRIVE:28D/3.04> CDROM drive at ata1 as master
acd0: drive speed 2928 - 6890KB/sec, 128KB cache
acd0: supported read types: CD-R, CD-RW, CD-DA
acd0: Audio: play, 256 volume levels
acd0: Mechanism: ejectable tray
acd0: Medium: no/blank disc inside, unlocked
atapi: <IOMEGA ZIP 100 ATAPI/14.A> floppy device at ata1 as slave - NO DRIVER!
changing root device to ad0s2a
ffs_mountfs: superblock updated for soft updates
- alex
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