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Date:      Sun, 10 Jan 1999 23:49:33 -0800 (PST)
From:      "Kevin G. Eliuk" <kevin_eliuk@sunshine.net>
To:        lcremean@tidalwave.net
Cc:        current@FreeBSD.ORG
Subject:   Re: ide_pci.c
Message-ID:  <Pine.BSF.3.96.990110225835.280A-100000@vanessa.eliuk.org>
In-Reply-To: <19990111002530.A1443@tidalwave.net>

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On Mon, 11 Jan 1999, Lee Cremeans almost wrote:

> dd if=/dev/rwd0 of=/dev/null bs=1024k count=50
> 
> on a quiet (single-user) system. I haven't done any filesystem-throughput
> tests yet...this is the raw throughput through the controller. 

The patches allowed me to build the kernel, and I don't get the same
results at boot time.  With the final results of your test show similar
to yours.

Take a note of the "dmesg" output in my case and compare them to the raw
read/write.  I'm not sure what to make of this really, ... other than
this motherboard and chipset really suk :-(


# dmesg

Copyright (c) 1992-1999 FreeBSD Inc.
Copyright (c) 1982, 1986, 1989, 1991, 1993
        The Regents of the University of California. All rights reserved.
FreeBSD 3.0-CURRENT #0: Sun Jan 10 22:43:02 PST 1999
    cagey@vanessa.eliuk.org:/usr/src/sys/compile/CATHERNA
Timecounter "i8254"  frequency 1193279 Hz
Timecounter "TSC"  frequency 99877368 Hz
CPU: Pentium/P54C (99.88-MHz 586-class CPU)
  Origin = "GenuineIntel"  Id = 0x526  Stepping=6
  Features=0x1bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8>
real memory  = 33554432 (32768K bytes)
config> quit
avail memory = 29822976 (29124K bytes)
Bad DMI table checksum! < *=- "I have tried fixing this through the CMOS"
Preloaded elf kernel "kernel" at 0xf02cf000.
Probing for devices on PCI bus 0:
chip0: <Host to PCI bridge (vendor=10b9 device=1531)> rev 0xb3 on pci0.0.0
chip1: <AcerLabs M1533 portable PCI-ISA bridge> rev 0xb4 on pci0.2.0
vga0: <S3 ViRGE graphics accelerator> rev 0x06 int a irq 0 on pci0.3.0
ide_pci0: <Acer Labs (ALi) Aladdin IV/V Bus-master IDE controller> rev 0x20 int a irq 0 on pci0.11.0

< .. irrelevant bits snipped .. >

wdc0 at 0x1f0-0x1f7 irq 14 on isa
wdc0: unit 0 (wd0): <Maxtor 90840D6>, 32-bit, multi-block-16
wd0: 8010MB (16406208 sectors), 16276 cyls, 16 heads, 63 S/T, 512 B/S
wdc0: unit 1 (wd1): <Maxtor 71084 AP>, DMA, 32-bit, multi-block-32
wd1: 1036MB (2121840 sectors), 2105 cyls, 16 heads, 63 S/T, 512 B/S
wdc1 not found at 0x170
changing root device to wd0s2a

< .. irrelevant bits snipped .. >

Start pid=2 <pagedaemon>
Start pid=3 <vmdaemon>
Start pid=4 <syncer>
ffs_mountfs: superblock updated for soft updates
ffs_mountfs: superblock updated for soft updates
ffs_mountfs: superblock updated for soft updates
ffs_mountfs: superblock updated for soft updates



vanessa# dd if=/dev/rwd0 of=/dev/null bs=1024k count=50
50+0 records in
50+0 records out
52428800 bytes transferred in 4.393845 secs (11932328 bytes/sec)
                                            (11.38 Mbytes/sec)
vanessa# dd if=/dev/rwd1 of=/dev/null bs=1024k count=50
50+0 records in
50+0 records out
52428800 bytes transferred in 11.202356 secs (4680158 bytes/sec)
                                             (4.46 Mbytes/sec)

bonnie output

wd0

              -------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
CATHERNA   64  2698 77.0  7241 42.8  2730 19.4  2828 74.7  7980 31.2  95.2  4.4

wd1
              -------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
CATHERNA   64  3338 96.5  4120 21.8  1678 13.4  3584 95.7  4485 19.2  50.5  2.1



                                                  Regards,
                                                  Kevin G. Eliuk

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