linux-kernel - Re: [lkp] [net] 192132b9a0: -17.5% netperf.Throughput

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Message-ID: <87h9mdlikq.fsf@yhuang-dev.intel.com>
Date:	Tue, 29 Sep 2015 16:45:41 +0800
From:	"Huang\, Ying" <ying.huang@...ux.intel.com>
To:	David Ahern <dsa@...ulusnetworks.com>
Cc:	Huang Ying <ying.huang@...el.com>, <lkp@...org>,
	LKML <linux-kernel@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [lkp] [net] 192132b9a0: -17.5% netperf.Throughput_tps

David Ahern <dsa@...ulusnetworks.com> writes:

> On 9/23/15 6:37 PM, Huang Ying wrote:
>>>
>>> I take it you have CONFIG_NET_VRF enabled. correct?
>>>
>>> With it disabled I see no relevant change in performance between
>>> 8f58336d3f78 and 192132b9a034. Can you confirm?
>>
>> The kconfig file is attached with the mail.  It appears that
>> CONFIG_NET_VRF is disabled.
>>
>
> Something is not adding up. I anticipate access to a multi-socket numa
> system in the next few days. Until then a couple of questions:
>
> 1. do you take patches to run your tests?

No.  We checkout your commits and test them.  Without applying any other patches.

> 2. do you have a wiki/web page with all of the tests run?

Sorry, we still have no this information now.

> I'd like to
> know what other networking tests have been run. Only this one was
> flagged, so I presume it means other tests did not hit the
> threshold. I would like to know what other tests are run.

For the commit and its parent, we have only tested the benchmark in the
report email.

Best Regards,
Huang, Ying
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