6.2-RELEASE does not use second CPU?

[Alexey Karagodov]

+1

i'm using IPSec with out such limitations ...
fix it. than we will continue conversation about your CPU troubles


2007/4/20, Kris Kennaway <kris at obsecurity.org>: - Скрыть цитируемый текст -

> On Fri, Apr 20, 2007 at 12:08:57PM -0700, Kevin Oberman wrote:
> > > Date: Fri, 20 Apr 2007 22:54:52 +0400
> > > From: "Alexey Karagodov" <karagodov at gmail.com>
> > > Sender: owner-freebsd-stable at freebsd.org
> > >
> > > and what is this, i mean why:
> > > WARNING: debug.mpsafenet forced to 0 as ipsec requires Giant
> > > WARNING: MPSAFE network stack disabled, expect reduced performance.
> >
> > I thought it was pretty clear.
> >
> > ipsec is not multi-processor safe and requires the use of GIANT. If you
> > have IPSEC in your kernel the network stack will also be giant locked
> > which will cut performance.
>
> Yep, google for extensive discussion (hint: FAST_IPSEC)
>
> Kris
>


2007/4/19, Alex Povolotsky <tarkhil at webmail.sub.ru>:
>
> Hello!
>
> On the Pentium-D box, kernel detects both CPUs, but it seems like
> scheduler use only one.
>
> (from dmesg)
>
> Copyright (c) 1992-2007 The FreeBSD Project.
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
>        The Regents of the University of California. All rights reserved.
> FreeBSD is a registered trademark of The FreeBSD Foundation.
> FreeBSD 6.2-RELEASE-p3 #2: Thu Apr 19 00:19:54 MSD 2007
>    tarkhil at cluster-one.zinester.com:/usr/obj/usr/src/sys/P4D
> WARNING: debug.mpsafenet forced to 0 as ipsec requires Giant
> WARNING: MPSAFE network stack disabled, expect reduced performance.
> Timecounter "i8254" frequency 1193182 Hz quality 0
> CPU: Intel(R) Pentium(R) D CPU 2.80GHz (2808.41-MHz 686-class CPU)
> Origin = "GenuineIntel"  Id = 0xf64  Stepping = 4
>
>
> Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,C
> MOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
> Features2=0xe49d<SSE3,RSVD2,MON,DS_CPL,EST,CNTX-ID,CX16,<b14>,<b15>>
> AMD Features=0x20100000<NX,LM>
> AMD Features2=0x1<LAHF>
> Logical CPUs per core: 2
> real memory  = 1046757376 (998 MB)
> avail memory = 1015095296 (968 MB)
> ACPI APIC Table: <INTEL  DG965SS >
> FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
> cpu0 (BSP): APIC ID:  0
> cpu1 (AP): APIC ID:  1
>
> ....
>
> SMP: AP CPU #1 Launched!
>
> (from top)
>
> last pid: 12408;  load averages:  4.99,  4.91,  4.08    up 0+01:08:02
> 19:26:23
> 265 processes: 8 running, 256 sleeping, 1 zombie
> CPU states: 35.0% user,  0.0% nice, 14.1% system,  0.9% interrupt, 50.0%
> idle
> Mem: 267M Active, 503M Inact, 171M Wired, 29M Cache, 109M Buf, 1636K Free
> Swap: 2006M Total, 2006M Free
>
> PID USERNAME  THR PRI NICE   SIZE    RES STATE  C   TIME   WCPU COMMAND
> 1399    125      1 109    0  4684K  2808K RUN    0  11:20 18.85% qmgr
> 1819    300      1   4    0 33552K 30824K select 0   8:58 13.57% perl5.8.8
> 1821    300      1   4    0 33364K 30644K select 0   9:15  6.05% perl5.8.8
> 12398    125      1   4    0  3588K  2524K select 0   0:00  2.00% cleanup
> 1394 root        1 104    0  3444K  1596K RUN    0   1:58  1.66% master
> 10601    125      1  97    0  3580K  1728K select 0   0:18  0.83%
> trivial-rewri
> 10051    125      1  97    0  4536K  2688K RUN    0   0:13  0.63% scache
>
>
> All processes runs on CPU0, and I did not see less than 50% idle cpu.
>
> What can be wrong?
>
> Alex.
>
>
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