Date: Thu, 24 Apr 2003 06:23:09 -0700 From: "vizion communication" <vizion@ixpres.com> To: "Michal Mertl" <mime@traveller.cz> Cc: freebsd-smp@freebsd.org Subject: Re: Anyone please???? SMP health check!! Message-ID: <00a901c30a64$c8101390$15b55042@vizion2000.net> References: <004e01c30a16$73999870$15b55042@vizion2000.net> <20030424085801.K69805@prg.traveller.cz>
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Thanks very much for your comments -- they are really appreciated. OK is there any way I can check that SMP is performing properly?? I do not seem to be showing an increase in performance between single and smp processing. What issues would not be revealed in Dmesg? David ----- Original Message ----- From: "Michal Mertl" <mime@traveller.cz> To: "vizion communication" <vizion@ixpres.com> Sent: Thursday, April 24, 2003 12:28 AM Subject: Re: Anyone please???? SMP health check!! > > > Hi > > > > > > OK I have a quad processor proliant 5500 and am uncertain > > > whether I am getting the performance I would expect from it. > > From your dmesg it seems that the system succesfully started 4 > processors. > > > > There are entries in dmesg which clearly relate to SMP I do > > > not understand so here is all the output -- comments & > > > guidance appreciated. > > See inline. Not SMP related parts snipped. > > > > APIC_IO: MP table broken: 8259->APIC entry missing! > > Not sure what this means but from other output it seems it's not that much > harmful. > > > > Changing APIC ID for IO APIC #0 from 0 to 8 on chip > > > Programming 35 pins in IOAPIC #0 > > > IOAPIC #0 intpin 2 -> irq 0 > > > FreeBSD/SMP: Multiprocessor motherboard > > > cpu0 (BSP): apic id: 3, version: 0x00040011, at 0xfee00000 > > > cpu1 (AP): apic id: 0, version: 0x00040011, at 0xfee00000 > > > cpu2 (AP): apic id: 1, version: 0x00040011, at 0xfee00000 > > > cpu3 (AP): apic id: 2, version: 0x00040011, at 0xfee00000 > > > io0 (APIC): apic id: 8, version: 0x00220011, at 0xfec00000 > > This is all normal. Normally I've seen IO APIC having id just one bigger > than last processor. In your case the number 8 is probably because of > some form of (future) support for hyperthreading (two logical cores per > processor). > > > > APIC_IO: Testing 8254 interrupt delivery > > > APIC_IO: routing 8254 via IOAPIC #0 intpin 2 > > > SMP: AP CPU #3 Launched! > > > SMP: AP CPU #1 Launched! > > > SMP: AP CPU #2 Launched! > > This is also normal. There's always one BSP (boot system processor ?) and > some AP's (application processor?). > > Other messages don't relate to SMP. > > -- > Michal Mertl > mime@traveller.cz >
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