From: Cornelia Huck <cohuck@redhat.com>
To: "Longpeng(Mike)" <longpeng2@huawei.com>
Cc: <pbonzini@redhat.com>, <rkrcmar@redhat.com>, <agraf@suse.com>,
<borntraeger@de.ibm.com>, <christoffer.dall@linaro.org>,
<marc.zyngier@arm.com>, <james.hogan@imgtec.com>,
<kvm@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<weidong.huang@huawei.com>, <arei.gonglei@huawei.com>,
<wangxinxin.wang@huawei.com>, <longpeng.mike@gmail.com>,
<david@redhat.com>
Subject: Re: [PATCH v2 0/4] KVM: optimize the kvm_vcpu_on_spin
Date: Tue, 8 Aug 2017 09:41:53 +0200 [thread overview]
Message-ID: <20170808094153.1b5bf8f4@gondolin> (raw)
In-Reply-To: <1502165135-4784-1-git-send-email-longpeng2@huawei.com>
On Tue, 8 Aug 2017 12:05:31 +0800
"Longpeng(Mike)" <longpeng2@huawei.com> wrote:
> This is a simple optimization for kvm_vcpu_on_spin, the
> main idea is described in patch-1's commit msg.
I think this generally looks good now.
>
> I did some tests base on the RFC version, the result shows
> that it can improves the performance slightly.
Did you re-run tests on this version?
I would also like to see some s390 numbers; unfortunately I only have a
z/VM environment and any performance numbers would be nearly useless
there. Maybe somebody within IBM with a better setup can run a quick
test?
next prev parent reply other threads:[~2017-08-08 7:41 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-08 4:05 [PATCH v2 0/4] KVM: optimize the kvm_vcpu_on_spin Longpeng(Mike)
2017-08-08 4:05 ` [PATCH v2 1/4] KVM: add spinlock optimization framework Longpeng(Mike)
2017-08-08 7:34 ` Paolo Bonzini
2017-08-08 7:43 ` Cornelia Huck
2017-08-08 8:42 ` David Hildenbrand
2017-08-08 8:44 ` David Hildenbrand
2017-08-08 9:00 ` Paolo Bonzini
2017-08-08 9:35 ` Longpeng (Mike)
2017-08-08 4:05 ` [PATCH v2 2/4] KVM: X86: implement the logic for spinlock optimization Longpeng(Mike)
2017-08-08 7:30 ` Paolo Bonzini
2017-08-08 8:31 ` Longpeng (Mike)
2017-08-08 8:39 ` Paolo Bonzini
2017-08-08 4:05 ` [PATCH v2 3/4] KVM: s390: implements the kvm_arch_vcpu_in_kernel() Longpeng(Mike)
2017-08-08 7:37 ` Cornelia Huck
2017-08-08 8:35 ` David Hildenbrand
2017-08-08 4:05 ` [PATCH v2 4/4] KVM: arm: " Longpeng(Mike)
2017-08-08 7:39 ` Christoffer Dall
2017-08-08 7:41 ` Christoffer Dall
2017-08-08 7:41 ` Cornelia Huck [this message]
2017-08-08 8:14 ` [PATCH v2 0/4] KVM: optimize the kvm_vcpu_on_spin Longpeng (Mike)
2017-08-10 13:18 ` Eric Farman
2017-08-11 1:43 ` Longpeng (Mike)
2017-08-11 7:19 ` Cornelia Huck
2017-08-08 11:25 ` David Hildenbrand
2017-08-08 11:30 ` Christoffer Dall
2017-08-08 11:49 ` Longpeng (Mike)
2017-08-08 11:50 ` David Hildenbrand
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