Re: SMP P4 APIC/interrupt balancing

rico-linux-kernel@patternassociates.com
Thu, 18 Apr 102 16:46:23 -0500 (CDT)


Interrupts are nicely load-balanced on my ServerWorks machine under 2.4.17:

CPU0 CPU1
0: 270862370 307860987 IO-APIC-edge timer
1: 1080399 1060433 IO-APIC-edge keyboard
2: 0 0 XT-PIC cascade
4: 5 4 IO-APIC-edge serial
11: 21681 23822 IO-APIC-edge usb-ohci
12: 3095026 3028219 IO-APIC-edge PS/2 Mouse
14: 14746 13518 IO-APIC-edge ide0
18: 264576 241449 IO-APIC-level ide3
23: 2371618 2621869 IO-APIC-level eth0
28: 207879 207753 IO-APIC-level sym53c8xx
29: 0 0 IO-APIC-level sym53c8xx
NMI: 0 0
LOC: 578826942 578827133
ERR: 0
MIS: 0

Hardware...

00:00.0 Host bridge: Relience Computer CNB20-LE CPU to PCI Bridge (rev 22)
00:00.1 PCI bridge: Relience Computer: Unknown device 0005 (rev 01)
00:00.2 Host bridge: Relience Computer: Unknown device 0006
00:00.3 Host bridge: Relience Computer: Unknown device 0006
00:01.0 SCSI storage controller: Symbios Logic Inc. (formerly NCR) 53c896 (rev 07)
00:01.1 SCSI storage controller: Symbios Logic Inc. (formerly NCR) 53c896 (rev 07)
00:02.0 Multimedia audio controller: Ensoniq ES1371 [AudioPCI-97] (rev 09)
00:04.0 Unknown mass storage controller: Promise Technology, Inc. 20262 (rev 01)
00:06.0 SCSI storage controller: Symbios Logic Inc. (formerly NCR) 53c810 (rev 02)
00:07.0 Ethernet controller: Intel Corporation 82557 [Ethernet Pro 100] (rev 08)
00:0f.0 ISA bridge: Relience Computer: Unknown device 0200 (rev 4f)
00:0f.1 IDE interface: Relience Computer: Unknown device 0211
00:0f.2 USB Controller: Relience Computer: Unknown device 0220 (rev 04)
01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP (rev 04)
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