From: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>
To: Thomas Monjalon <thomas.monjalon@6wind.com>,
"Zhang, Helin" <helin.zhang@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v1] ixgbe_pmd: forbid tx_rs_thresh above 1 for all NICs but 82598
Date: Wed, 9 Sep 2015 13:19:38 +0000 [thread overview]
Message-ID: <2601191342CEEE43887BDE71AB97725836A84B75@irsmsx105.ger.corp.intel.com> (raw)
In-Reply-To: <9837353.xdQKzFi908@xps13>
Hi Thomas,
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Thomas Monjalon
> Sent: Wednesday, September 09, 2015 1:19 PM
> To: Zhang, Helin
> Cc: dev@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v1] ixgbe_pmd: forbid tx_rs_thresh above 1 for all NICs but 82598
>
> 2015-08-25 20:13, Zhang, Helin:
> > Yes, I got the perfect answers. Thank you very much!
> > I just wanted to make sure the test case was OK with the limit of maximum number of descriptors, as I heard there is a hang issue on
> other NICs of using more descriptors than hardware allowed.
> > OK. I am still waiting for the answers/confirmation from x540 hardware designers. We need all agree on your patches to avoid risks.
>
> Helin, any news?
> Can we apply v4 of this patch?
Unfortunately we are seeing a huge performance drop with that patch:
On my box bi-directional traffic (64B packet) over one port can't reach even 11 Mpps.
We are still doing some experiments and consultations with ND guys how we can overcome
this problem and keep performance intact.
Konstantin
next prev parent reply other threads:[~2015-09-09 13:19 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-13 18:06 Vlad Zolotarov
2015-08-13 20:28 ` Zhang, Helin
2015-08-14 5:37 ` Vlad Zolotarov
2015-08-19 0:42 ` Lu, Wenzhuo
2015-08-19 4:55 ` Vladislav Zolotarov
2015-08-19 7:43 ` Ananyev, Konstantin
2015-08-19 10:02 ` Vlad Zolotarov
2015-08-20 8:41 ` Ananyev, Konstantin
2015-08-20 8:56 ` Vlad Zolotarov
2015-08-20 9:05 ` Vlad Zolotarov
2015-08-20 9:06 ` Vlad Zolotarov
2015-08-25 17:33 ` Ananyev, Konstantin
2015-08-25 17:39 ` Avi Kivity
2015-08-19 17:29 ` Zhang, Helin
2015-08-25 18:13 ` Zhang, Helin
2015-08-25 18:33 ` Vladislav Zolotarov
2015-08-25 18:43 ` Zhang, Helin
2015-08-25 18:52 ` Vlad Zolotarov
2015-08-25 19:16 ` Zhang, Helin
2015-08-25 19:23 ` Avi Kivity
2015-08-25 19:30 ` Vladislav Zolotarov
2015-08-25 20:07 ` Vlad Zolotarov
2015-08-25 20:13 ` Zhang, Helin
2015-09-09 12:18 ` Thomas Monjalon
2015-09-09 13:19 ` Ananyev, Konstantin [this message]
2015-09-11 15:17 ` Vladislav Zolotarov
2015-09-11 14:25 ` didier.pallard
2015-09-11 14:47 ` Avi Kivity
2015-09-11 14:55 ` Thomas Monjalon
2015-09-11 15:12 ` Vladislav Zolotarov
2015-09-11 15:43 ` Avi Kivity
2015-09-11 16:04 ` Vladislav Zolotarov
2015-09-11 16:07 ` Richardson, Bruce
2015-09-11 16:14 ` Vladislav Zolotarov
2015-09-11 17:44 ` Avi Kivity
2015-09-11 16:08 ` Thomas Monjalon
2015-09-11 16:18 ` Vladislav Zolotarov
2015-09-11 17:17 ` Matthew Hall
2015-09-11 17:42 ` Ananyev, Konstantin
2015-09-11 17:58 ` Matthew Hall
2015-09-11 17:48 ` Avi Kivity
2015-09-13 11:47 ` Ananyev, Konstantin
2015-09-13 12:24 ` Vlad Zolotarov
2015-09-13 12:32 ` Avi Kivity
2015-09-13 15:54 ` Ananyev, Konstantin
2015-09-13 16:01 ` Avi Kivity
2015-09-11 16:00 ` Richardson, Bruce
2015-09-11 16:13 ` Vladislav Zolotarov
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