x86, mce: add machine check exception count in /proc/interrupts

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Useful for debugging, but it's also good general policy
to have a counter for all special interrupts there. This makes it easier
to diagnose where a CPU is spending its time.

[ Impact: feature, debugging tool ]

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

...

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Andi Kleen 2009-05-27 21:56:52 +02:00 • committed by H. Peter Anvin

parent 48b1fddbb1

commit 01ca79f141

3 changed files with 17 additions and 0 deletions

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3

arch/x86/include/asm/mce.h

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4

arch/x86/kernel/cpu/mcheck/mce.c

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10

arch/x86/kernel/irq.c

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