Re: [Xen-devel] Xen 3.1.1 -- initial patchqueue

[Ben Guthro <bguthro@virtualiron.com>]

Also - what tool are you using to apply these patches?

mercurial queues seem to be incompatible with some of the non utf-8 
characters in some of the patches:

applying 15075-5efb46bfbcac
applying 15076-9ec165fa8128
applying 15077-711bfe07999b
applying 15078-6145e5508d6b
abort: decoding near 'Ingard Mev�g <ingard': 'utf8' codec can't decode 
bytes in position 186-188: invalid data!
transaction abort!
rollback completed

Ben Guthro wrote:
> Keir Fraser wrote:
>> On 10/9/07 13:03, "Ben Guthro" <bguthro@virtualiron.com> wrote:
>>
>>> 15185-1f8fb764f843
>>> http://xenbits.xensource.com/xen-unstable.hg?rev/1f8fb764f843
>> I'm inclined not to backport this one.
>>
> If I recall - It applied against our 3.1 tree without any 
> backporting...we just exported, and applied it. It increased 
> performance on Caneland machines greatly. Test results against our 3.1 
> based product below:
>
> <test results>
> At Ben's request, I did a quick evaluation of the APIC TPR patch for 
> Caneland.
> I used yesterday's build to establish a baseline for booting, running 
> SPECjbb2005, and
> netperf on a SMP XP guest. I then repeated the tests with a custom 
> kernel. The patch
> showed significant improvement for 2 of the 3 tests I used. Here are 
> the results:
>
> Test 20070816 Patch % Improvement
> Boot time - Seconds 62.6 40.5 35%
> SPECjbb2005 OPs/Sec 35216 35686 1%
> TCP XMIT (MBits/sec) 70.2 309.5 341%
> TCP RCV (MBits/Sec) 122.3 423.5 246%
>
> These tests were done on a Caneland, with 4 quad-core sockets and 32GB 
> of memory.
> The guest is Windows XP Professional with SP2, 2 CPUs, 2GB memory. 
> This afternoon,
> I'll repeat the experiment on a non-Caneland machine to see if there 
> are any
> side effects.
>
> </test results>
>
>> The two Linux changesets are not applicable to 3.1.
> Yes, of course...my mistake. I forgot to weed out my "unstable-only" 
> patches from the list.
>
>
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