Re: [PATCH v2 2/3] KVM: x86: add tracepoints to trace mmio beginand complete

From: Avi Kivity
Date: Thu Feb 02 2012 - 12:36:44 EST

On 02/02/2012 07:27 PM, Xiao Guangrong wrote:
> From: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxxxxxx>
> 'perf kvm-events' will use kvm_exit and kvm_mmio(read...) to calculate
> mmio read emulated time for the old kernel, in order to trace mmio read
> event more exactly, we add kvm_mmio_begin to trace the time when mmio read
> begins
> Also, add kvm_mmio_done to trace the time when mmio/pio is completed

Previously, we discussed using the kvm_entry to do this. This reduces
the number of tracepoints, and is backwards compatible. What was the

error compiling committee.c: too many arguments to function

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