From owner-freebsd-current  Thu Mar 30  9: 7: 8 2000
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Date: Thu, 30 Mar 2000 12:06:49 -0500 (EST)
From: "Eric D. Futch" <efutch@nyct.net>
To: Bruce Evans <bde@zeta.org.au>
Cc: Mike Smith <msmith@FreeBSD.ORG>,
	Matthew Dillon <dillon@apollo.backplane.com>,
	freebsd-current@FreeBSD.ORG
Subject: Re: SMP buildworld times / performance tests 
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Oops.. some of us are using i8254 on SMP machines.  This motherboard is a
Intel PR440FX.


Copyright (c) 1992-2000 The FreeBSD Project.
Copyright (c) 1982, 1986, 1989, 1991, 1993
        The Regents of the University of California. All rights reserved.
FreeBSD 4.0-STABLE #5: Mon Mar 27 20:39:24 EST 2000
    efutch@quake.nyct.net:/usr/src/sys/compile/QUAKE
Timecounter "i8254"  frequency 1193182 Hz
CPU: Pentium Pro (198.67-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  = 134217728 (131072K bytes)
avail memory = 126488576 (123524K bytes)
Programming 24 pins in IOAPIC #0
FreeBSD/SMP: Multiprocessor motherboard
 cpu0 (BSP): apic id:  0, version: 0x00040011, at 0xfec08000
 cpu1 (AP):  apic id: 12, version: 0x00040011, at 0xfec08000
 io0 (APIC): apic id: 13, version: 0x00170011, at 0xfec00000
Preloaded elf kernel "kernel" at 0xc03c7000.


--
Eric Futch              New York Connect.Net, Ltd.
efutch@nyct.net         Technical Support Staff
http://www.nyct.net     (212) 293-2620
"Bringing New York The Internet Access It Deserves"


On Thu, 30 Mar 2000, Bruce Evans wrote:

>
>Nothing.  Accesses to the timecounter struct are already MP safe and fast.
>Only the i8254 timecounter hardware currently needs interrupt-disabling,
>but it is hopefully never used on SMP machines.
>
>Bruce
>
>
>
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>



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