From: Amos Kong <akong@redhat.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: kvm@vger.kernel.org, "Michael S. Tsirkin" <mst@redhat.com>,
linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org, rhod <rhod@redhat.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [RFC] virtio: use mandatory barriers for remote processor vdevs
Date: Mon, 19 Dec 2011 15:21:35 +0800 [thread overview]
Message-ID: <4EEEE5FF.9050502@redhat.com> (raw)
In-Reply-To: <1324262474.30454.12.camel@pasglop>
On 19/12/11 10:41, Benjamin Herrenschmidt wrote:
> On Mon, 2011-12-19 at 10:19 +0800, Amos Kong wrote:
>
>> I tested with the same environment and scenarios.
>> tested one scenarios for three times and compute the average for more
>> precision.
>>
>> Thanks, Amos
>>
>> --------- compare results -----------
>> Mon Dec 19 09:51:09 2011
>>
>> 1 - avg-old.netperf.exhost_guest.txt
>> 2 - avg-fixed.netperf.exhost_guest.txt
>
> The output is word wrapped and generally unreadable. Any chance you can
> provide us with a summary of the outcome ?
>
> Cheers,
> Ben.
Hi Ben,
The change of TCP_RR Throughput is very small.
external host -> guest: Some of throughput of TCP_STREAM and TCP_MAERTS
reduced a little.
local host -> guest: Some of throughput of TCP_STREAM and TCP_MAERTS
increased a little.
About compare result format:
---------------------------
>> 1 - avg-old.netperf.exhost_guest.txt
average result (tested 3 times) file of test 1
>> 2 - avg-fixed.netperf.exhost_guest.txt
average result file of test 2
>>
>> ======
>> TCP_STREAM
^^^ protocol
>> sessions| size|throughput| cpu| normalize| #tx-pkts| #rx-pkts| #tx-byts| #rx-byts| #re-trans| #tx-intr| #rx-intr| #io_exit| #irq_inj|#tpkt/#exit| #rpkt/#irq
>> 1 1| 64| 1073.54| 10.50| 102| ....
^^^ average result of old kernel, start netserver in guest, start
netperf client(s) in external host
>> 2 1| 64| 1079.44| 10.29| 104| ....
^^^ average result of fixed kernel
>> % | 0.0| +0.5| -2.0| +2.0| ....
^^^ augment rate between test1 and test2
--------
sessions: netperf clients number
size: request/response sizes
#rx-pkts: received packets number
#rx-byts: received bytes number
#rx-intr: interrupt number for receive
#io_exit: io exit number
#irq_inj: injected irq number
Thanks, Amos.
WARNING: multiple messages have this Message-ID (diff)
From: akong@redhat.com (Amos Kong)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC] virtio: use mandatory barriers for remote processor vdevs
Date: Mon, 19 Dec 2011 15:21:35 +0800 [thread overview]
Message-ID: <4EEEE5FF.9050502@redhat.com> (raw)
In-Reply-To: <1324262474.30454.12.camel@pasglop>
On 19/12/11 10:41, Benjamin Herrenschmidt wrote:
> On Mon, 2011-12-19 at 10:19 +0800, Amos Kong wrote:
>
>> I tested with the same environment and scenarios.
>> tested one scenarios for three times and compute the average for more
>> precision.
>>
>> Thanks, Amos
>>
>> --------- compare results -----------
>> Mon Dec 19 09:51:09 2011
>>
>> 1 - avg-old.netperf.exhost_guest.txt
>> 2 - avg-fixed.netperf.exhost_guest.txt
>
> The output is word wrapped and generally unreadable. Any chance you can
> provide us with a summary of the outcome ?
>
> Cheers,
> Ben.
Hi Ben,
The change of TCP_RR Throughput is very small.
external host -> guest: Some of throughput of TCP_STREAM and TCP_MAERTS
reduced a little.
local host -> guest: Some of throughput of TCP_STREAM and TCP_MAERTS
increased a little.
About compare result format:
---------------------------
>> 1 - avg-old.netperf.exhost_guest.txt
average result (tested 3 times) file of test 1
>> 2 - avg-fixed.netperf.exhost_guest.txt
average result file of test 2
>>
>> ======
>> TCP_STREAM
^^^ protocol
>> sessions| size|throughput| cpu| normalize| #tx-pkts| #rx-pkts| #tx-byts| #rx-byts| #re-trans| #tx-intr| #rx-intr| #io_exit| #irq_inj|#tpkt/#exit| #rpkt/#irq
>> 1 1| 64| 1073.54| 10.50| 102| ....
^^^ average result of old kernel, start netserver in guest, start
netperf client(s) in external host
>> 2 1| 64| 1079.44| 10.29| 104| ....
^^^ average result of fixed kernel
>> % | 0.0| +0.5| -2.0| +2.0| ....
^^^ augment rate between test1 and test2
--------
sessions: netperf clients number
size: request/response sizes
#rx-pkts: received packets number
#rx-byts: received bytes number
#rx-intr: interrupt number for receive
#io_exit: io exit number
#irq_inj: injected irq number
Thanks, Amos.
WARNING: multiple messages have this Message-ID (diff)
From: Amos Kong <akong@redhat.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>,
"Michael S. Tsirkin" <mst@redhat.com>,
Ohad Ben-Cohen <ohad@wizery.com>,
virtualization@lists.linux-foundation.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, rhod <rhod@redhat.com>,
Jason Wang <jasowang@redhat.com>
Subject: Re: [RFC] virtio: use mandatory barriers for remote processor vdevs
Date: Mon, 19 Dec 2011 15:21:35 +0800 [thread overview]
Message-ID: <4EEEE5FF.9050502@redhat.com> (raw)
In-Reply-To: <1324262474.30454.12.camel@pasglop>
On 19/12/11 10:41, Benjamin Herrenschmidt wrote:
> On Mon, 2011-12-19 at 10:19 +0800, Amos Kong wrote:
>
>> I tested with the same environment and scenarios.
>> tested one scenarios for three times and compute the average for more
>> precision.
>>
>> Thanks, Amos
>>
>> --------- compare results -----------
>> Mon Dec 19 09:51:09 2011
>>
>> 1 - avg-old.netperf.exhost_guest.txt
>> 2 - avg-fixed.netperf.exhost_guest.txt
>
> The output is word wrapped and generally unreadable. Any chance you can
> provide us with a summary of the outcome ?
>
> Cheers,
> Ben.
Hi Ben,
The change of TCP_RR Throughput is very small.
external host -> guest: Some of throughput of TCP_STREAM and TCP_MAERTS
reduced a little.
local host -> guest: Some of throughput of TCP_STREAM and TCP_MAERTS
increased a little.
About compare result format:
---------------------------
>> 1 - avg-old.netperf.exhost_guest.txt
average result (tested 3 times) file of test 1
>> 2 - avg-fixed.netperf.exhost_guest.txt
average result file of test 2
>>
>> ======
>> TCP_STREAM
^^^ protocol
>> sessions| size|throughput| cpu| normalize| #tx-pkts| #rx-pkts| #tx-byts| #rx-byts| #re-trans| #tx-intr| #rx-intr| #io_exit| #irq_inj|#tpkt/#exit| #rpkt/#irq
>> 1 1| 64| 1073.54| 10.50| 102| ....
^^^ average result of old kernel, start netserver in guest, start
netperf client(s) in external host
>> 2 1| 64| 1079.44| 10.29| 104| ....
^^^ average result of fixed kernel
>> % | 0.0| +0.5| -2.0| +2.0| ....
^^^ augment rate between test1 and test2
--------
sessions: netperf clients number
size: request/response sizes
#rx-pkts: received packets number
#rx-byts: received bytes number
#rx-intr: interrupt number for receive
#io_exit: io exit number
#irq_inj: injected irq number
Thanks, Amos.
next prev parent reply other threads:[~2011-12-19 7:21 UTC|newest]
Thread overview: 111+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-29 12:31 [RFC] virtio: use mandatory barriers for remote processor vdevs Ohad Ben-Cohen
2011-11-29 12:31 ` Ohad Ben-Cohen
2011-11-29 13:11 ` Michael S. Tsirkin
2011-11-29 13:11 ` Michael S. Tsirkin
2011-11-29 13:11 ` Michael S. Tsirkin
2011-11-29 13:57 ` Ohad Ben-Cohen
2011-11-29 13:57 ` Ohad Ben-Cohen
2011-11-29 13:57 ` Ohad Ben-Cohen
2011-11-29 15:16 ` Michael S. Tsirkin
2011-11-29 15:16 ` Michael S. Tsirkin
2011-11-29 15:16 ` Michael S. Tsirkin
2011-11-30 11:45 ` Ohad Ben-Cohen
2011-11-30 11:45 ` Ohad Ben-Cohen
2011-11-30 11:45 ` Ohad Ben-Cohen
2011-11-30 14:59 ` Michael S. Tsirkin
2011-11-30 14:59 ` Michael S. Tsirkin
2011-11-30 14:59 ` Michael S. Tsirkin
2011-11-30 16:04 ` Ohad Ben-Cohen
2011-11-30 16:04 ` Ohad Ben-Cohen
2011-11-30 16:04 ` Ohad Ben-Cohen
2011-11-30 16:15 ` Michael S. Tsirkin
2011-11-30 16:15 ` Michael S. Tsirkin
2011-11-30 16:15 ` Michael S. Tsirkin
2011-11-30 16:24 ` Ohad Ben-Cohen
2011-11-30 16:24 ` Ohad Ben-Cohen
2011-11-30 16:24 ` Ohad Ben-Cohen
2011-11-30 23:27 ` Ohad Ben-Cohen
2011-11-30 23:27 ` Ohad Ben-Cohen
2011-11-30 23:27 ` Ohad Ben-Cohen
2011-11-30 23:43 ` Michael S. Tsirkin
2011-11-30 23:43 ` Michael S. Tsirkin
2011-11-30 23:43 ` Michael S. Tsirkin
2011-12-01 6:20 ` Ohad Ben-Cohen
2011-12-01 6:20 ` Ohad Ben-Cohen
2011-12-01 6:20 ` Ohad Ben-Cohen
2011-11-29 15:19 ` Michael S. Tsirkin
2011-11-29 15:19 ` Michael S. Tsirkin
2011-11-29 15:19 ` Michael S. Tsirkin
2011-11-30 11:55 ` Ohad Ben-Cohen
2011-11-30 11:55 ` Ohad Ben-Cohen
2011-11-30 11:55 ` Ohad Ben-Cohen
2011-11-30 14:50 ` Michael S. Tsirkin
2011-11-30 14:50 ` Michael S. Tsirkin
2011-11-30 14:50 ` Michael S. Tsirkin
2011-11-30 22:43 ` Ohad Ben-Cohen
2011-11-30 22:43 ` Ohad Ben-Cohen
2011-11-30 22:43 ` Ohad Ben-Cohen
2011-11-30 23:13 ` Michael S. Tsirkin
2011-11-30 23:13 ` Michael S. Tsirkin
2011-11-30 23:13 ` Michael S. Tsirkin
2011-12-01 2:28 ` Rusty Russell
2011-12-01 2:28 ` Rusty Russell
2011-12-01 2:28 ` Rusty Russell
2011-12-01 7:15 ` Ohad Ben-Cohen
2011-12-01 7:15 ` Ohad Ben-Cohen
2011-12-01 7:15 ` Ohad Ben-Cohen
2011-12-01 8:12 ` Michael S. Tsirkin
2011-12-01 8:12 ` Michael S. Tsirkin
2011-12-01 8:12 ` Michael S. Tsirkin
2011-12-02 0:26 ` Rusty Russell
2011-12-02 0:26 ` Rusty Russell
2011-12-02 0:26 ` Rusty Russell
2011-12-01 6:14 ` Ohad Ben-Cohen
2011-12-01 6:14 ` Ohad Ben-Cohen
2011-12-01 6:14 ` Ohad Ben-Cohen
2011-12-01 9:09 ` Michael S. Tsirkin
2011-12-01 9:09 ` Michael S. Tsirkin
2011-12-01 9:09 ` Michael S. Tsirkin
2011-12-02 23:09 ` Benjamin Herrenschmidt
2011-12-02 23:09 ` Benjamin Herrenschmidt
2011-12-02 23:09 ` Benjamin Herrenschmidt
2011-12-03 5:14 ` Rusty Russell
2011-12-03 5:14 ` Rusty Russell
2011-12-03 5:14 ` Rusty Russell
2011-12-11 12:25 ` Michael S. Tsirkin
2011-12-11 12:25 ` Michael S. Tsirkin
2011-12-11 12:25 ` Michael S. Tsirkin
2011-12-11 22:27 ` Benjamin Herrenschmidt
2011-12-11 22:27 ` Benjamin Herrenschmidt
2011-12-11 22:27 ` Benjamin Herrenschmidt
2011-12-12 3:06 ` Amos Kong
2011-12-12 3:06 ` Amos Kong
2011-12-12 3:06 ` Amos Kong
2011-12-12 5:12 ` Rusty Russell
2011-12-12 5:12 ` Rusty Russell
2011-12-12 5:12 ` Rusty Russell
2011-12-12 23:56 ` Amos Kong
2011-12-12 23:56 ` Amos Kong
2011-12-12 23:56 ` Amos Kong
2011-12-19 2:35 ` Rusty Russell
2011-12-19 2:35 ` Rusty Russell
2011-12-19 2:35 ` Rusty Russell
2011-12-19 2:19 ` Amos Kong
2011-12-19 2:19 ` Amos Kong
2011-12-19 2:19 ` Amos Kong
2011-12-19 2:41 ` Benjamin Herrenschmidt
2011-12-19 2:41 ` Benjamin Herrenschmidt
2011-12-19 2:41 ` Benjamin Herrenschmidt
2011-12-19 7:21 ` Amos Kong [this message]
2011-12-19 7:21 ` Amos Kong
2011-12-19 7:21 ` Amos Kong
2011-12-19 2:50 ` Amos Kong
2011-12-19 2:50 ` Amos Kong
2011-12-19 2:50 ` Amos Kong
2011-12-19 8:37 ` Rusty Russell
2011-12-19 8:37 ` Rusty Russell
2011-12-19 8:37 ` Rusty Russell
2011-12-03 6:01 ` Ohad Ben-Cohen
2011-12-03 6:01 ` Ohad Ben-Cohen
2011-12-03 6:01 ` Ohad Ben-Cohen
-- strict thread matches above, loose matches on Subject: below --
2011-11-29 12:31 Ohad Ben-Cohen
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