Messages in this thread | | | Date | Mon, 24 Nov 2014 09:41:55 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: [LKP] [x86, irq, ACPI] 5fcb864ef90: -3.3%(vm-scalability.throughput) +12.9%(turbostat.%c0) |
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On Mon, 24 Nov 2014, Yuanhan Liu wrote: > > We noticed the below changes on(NOTE: I'm not sure the bisect is correct > or not, here I report it out JFYI). > > git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > commit 5fcb864ef90df093d964171539c87ffa0ab49f0f ("x86, irq, ACPI: Implement interfaces to support ACPI based IOAPIC hot-removal") >
I really doubt that this commit has anything to do with the observed behaviour change.
The code in question is only executed at boot time or when a IOAPIC is physically hotplugged.
Thanks,
tglx
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