linux-kernel - Re: Steal time accounting in KVM. Benchmark.

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Message-ID: <CALd+sgfGsCs6v02CuoXytJs68e1fDsW+GR0Q4+ydUFL8+cKxDg@mail.gmail.com>
Date:	Tue, 20 Oct 2015 17:24:10 -0700
From:	Alexey Makhalov <makhaloff@...il.com>
To:	Wanpeng Li <wanpeng.li@...mail.com>
Cc:	kvm <kvm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Paolo Bonzini <pbonzini@...hat.com>
Subject: Re: Steal time accounting in KVM. Benchmark.

Yes, VM1 results are as before.

Alexey

On Tue, Oct 20, 2015 at 4:04 PM, Wanpeng Li <wanpeng.li@...mail.com> wrote:
> On 10/21/15 4:05 AM, Alexey Makhalov wrote:
>>
>> 'echo NO_NONTASK_CAPACITY > /sys/kernel/debug/sched_features'  in both
>> guests.
>> Results:
>> VM1: STA is disabled -- no changes, still little bit bellow expected 90%
>> VM2: STA is enabled -- result is changed, but still bad. Hard to say
>> better or worse. It prefers to stuck at quarters (100% 75% 50% 25%)
>> Output is attached.
>
>
> If the output in attachment is for VM2 only?
>
> Regards,
> Wanpeng Li
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