From: Asias He <asias@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: kvm@vger.kernel.org, "Michael S. Tsirkin" <mst@redhat.com>,
virtualization@lists.linux-foundation.org,
target-devel@vger.kernel.org,
Stefan Hajnoczi <stefanha@redhat.com>
Subject: Re: [PATCH] tcm_vhost: Multi-queue support
Date: Thu, 07 Feb 2013 08:49:19 +0800 [thread overview]
Message-ID: <5112FA0F.6030200@redhat.com> (raw)
In-Reply-To: <2066806628.37341089.1360151982783.JavaMail.root@redhat.com>
On 02/06/2013 07:59 PM, Paolo Bonzini wrote:
>
>
> ----- Messaggio originale -----
>> Da: "Asias He" <asias@redhat.com>
>> A: "Nicholas A. Bellinger" <nab@linux-iscsi.org>
>> Cc: "Paolo Bonzini" <pbonzini@redhat.com>, "Stefan Hajnoczi" <stefanha@redhat.com>, "Michael S. Tsirkin"
>> <mst@redhat.com>, "Rusty Russell" <rusty@rustcorp.com.au>, kvm@vger.kernel.org,
>> virtualization@lists.linux-foundation.org, target-devel@vger.kernel.org
>> Inviato: Mercoledì, 6 febbraio 2013 10:51:34
>> Oggetto: Re: [PATCH] tcm_vhost: Multi-queue support
>>
>> On 02/06/2013 04:39 PM, Nicholas A. Bellinger wrote:
>>> On Wed, 2013-02-06 at 15:09 +0800, Asias He wrote:
>>>> On 02/06/2013 02:45 PM, Nicholas A. Bellinger wrote:
>>>>> On Wed, 2013-02-06 at 13:20 +0800, Asias He wrote:
>>>>>> This adds virtio-scsi multi-queue support to tcm_vhost.
>>>>>>
>>>>>> Guest side virtio-scsi multi-queue support can be found here:
>>>>>>
>>>>>> https://lkml.org/lkml/2012/12/18/166
>>>>>>
>>>>>> Some initial perf numbers:
>>>>>> 1 queue, 4 targets, 1 lun per target
>>>>>> 4K request size, 50% randread + 50% randwrite: 127K/127k IOPS
>>>>>>
>>>>>> 4 queues, 4 targets, 1 lun per target
>>>>>> 4K request size, 50% randread + 50% randwrite: 181K/181k IOPS
>
> 4 VCPUs I suppose?
Yes.
--
Asias
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next prev parent reply other threads:[~2013-02-07 0:49 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-06 5:20 [PATCH] tcm_vhost: Multi-queue support Asias He
2013-02-06 6:45 ` Nicholas A. Bellinger
2013-02-06 7:09 ` Asias He
2013-02-06 8:39 ` Nicholas A. Bellinger
2013-02-06 9:51 ` Asias He
2013-02-06 11:59 ` Paolo Bonzini
2013-02-07 0:49 ` Asias He [this message]
2013-02-06 11:59 ` Paolo Bonzini
2013-02-06 8:39 ` Nicholas A. Bellinger
2013-02-06 6:45 ` Nicholas A. Bellinger
-- strict thread matches above, loose matches on Subject: below --
2013-02-06 5:20 Asias He
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