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

[Avi Kivity]

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
conclusion?

-- 
error compiling committee.c: too many arguments to function

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/