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

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Message-ID: <BLU436-SMTP60EC0DF85AE26B9B1F328180390@phx.gbl>
Date:	Wed, 21 Oct 2015 07:04:41 +0800
From:	Wanpeng Li <wanpeng.li@...mail.com>
To:	Alexey Makhalov <makhaloff@...il.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.

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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