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[Xen-devel] Re: [PATCH] Allow removing writable mappings from splintered
| To: | "Gianluca Guida" <gianluca.guida@xxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] Re: [PATCH] Allow removing writable mappings from splintered page tables. |
| From: | "Todd Deshane" <deshantm@xxxxxxxxx> |
| Date: | Fri, 12 Sep 2008 15:52:44 -0400 |
| Cc: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Fri, 12 Sep 2008 12:53:06 -0700 |
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| Reply-to: | deshantm@xxxxxxxxx |
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On Fri, Sep 12, 2008 at 1:14 PM, Gianluca Guida <gianluca.guida@xxxxxxxxxxxxx> wrote: > > > Todd Deshane wrote: >>> >>> Todd: Can you try try the linux-2.6.27 kernbench with the following >>> patch? >>> Also, are you using ioemu stub-domains? That should also give a >>> performance >>> gain. >>> >> >> Sure, I can give it a try. Should I also apply George's patch right? > Much faster, I'll also test on debian 4.0 for a regression test. Average Optimal load -j 4 Run (std deviation): Elapsed Time 519.056 (0.098387) User Time 426.226 (0.815555) System Time 92.716 (0.858563) Percent CPU 99 (0) Context Switches 99125.2 (71.3667) Sleeps 31199.2 (41.3062) I also want to look into the ioemu stub domains after reading more about them. I'll report the debian (older kernel results) when they come out. Todd _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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