Messages in this thread | | | Date | Wed, 18 Apr 2012 18:03:10 +0800 | From | Xiao Guangrong <> | Subject | Re: [PATCH v2 07/16] KVM: MMU: introduce for_each_pte_list_spte |
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On 04/17/2012 10:47 PM, Takuya Yoshikawa wrote:
> On Mon, 16 Apr 2012 11:36:25 +0800 > Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> wrote: > >> I tested it with kernbench, no regression is found. > > Because kernbench is not at all good test for this. > >> It is not a problem since the iter and spte should be in the cache. > > I have checked dirty-log-perf myself with this patch [01-07]. > > GET_DIRTY_LOG for 1GB dirty pages has become more than 15% slower.
By the way, what is the case did you test? ept = 1 ?
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