Date: Wed, 30 Jul 1997 13:18:29 +0930 (CST) From: Michael Smith <msmith@atrad.adelaide.edu.au> To: cgull@smoke.marlboro.vt.us (john hood) Cc: cgull@smoke.marlboro.vt.us, sos@sos.freebsd.dk, msmith@atrad.adelaide.edu.au, freebsd-current@FreeBSD.ORG Subject: Re: code talks: announcing EIDE bus master patches Message-ID: <199707300348.NAA17840@genesis.atrad.adelaide.edu.au> In-Reply-To: <199707290509.BAA23557@smoke.marlboro.vt.us> from john hood at "Jul 29, 97 01:09:40 am"
next in thread | previous in thread | raw e-mail | index | archive | help
john hood stands accused of saying: > "but it works fine for me!" > > for the rest of you: > > http://smoke.marlboro.vt.us/pub/cgull/starBSD/sff8038/ Works pretty well here too. I picked up Soren's commit as soon as it hit the repo. CPU: Pentium Pro (199.42-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0x619 Stepping=9 Features=0xfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV> real memory = 16777216 (16384K bytes) avail memory = 14647296 (14304K bytes) ... ide_pci0: <Intel PIIX3 Bus-master IDE controller> rev 0x00 on pci0.7.1 ... wdc0 at 0x1f0-0x1f7 irq 14 flags 0xa0ffa0ff on isa wdc0: unit 0 (wd0): <IBM-DAQA-33240>, DMA, 32-bit, multi-block-16 wd0: 3098MB (6346368 sectors), 6296 cyls, 16 heads, 63 S/T, 512 B/S Without DMA enabled : # dd if=/dev/rwd0 of=/dev/null bs=1m count=200 209715200 bytes transferred in 30.751826 secs (6819602 bytes/sec) systat -vmstat excerpt : 1.2%Sys 81.0%Intr 0.2%User 0.0%Nice 17.6%Idl With DMA enabled : # dd if=/dev/rwd0 of=/dev/null bs=1m count=200 209715200 bytes transferred in 31.191724 secs (6723424 bytes/sec) systat -vmstat excerpt : 1.1%Sys 0.3%Intr 0.2%User 0.0%Nice 98.4%Idl No more throughput, but all of a sudden I have a CPU again. Lovely! -- ]] Mike Smith, Software Engineer msmith@gsoft.com.au [[ ]] Genesis Software genesis@gsoft.com.au [[ ]] High-speed data acquisition and (GSM mobile) 0411-222-496 [[ ]] realtime instrument control. (ph) +61-8-8267-3493 [[ ]] Unix hardware collector. "Where are your PEZ?" The Tick [[
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199707300348.NAA17840>