From: Stephen Hemminger <stephen@networkplumber.org>
To: Emre Eraltan <emre.eraltan@6wind.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] Performances are not scale with multiple ports
Date: Mon, 27 May 2013 20:29:46 -0700 [thread overview]
Message-ID: <20130527202946.75184090@nehalam.linuxnetplumber.net> (raw)
In-Reply-To: <51A4214B.8040703@6wind.com>
On Mon, 27 May 2013 20:15:23 -0700
Emre Eraltan <emre.eraltan@6wind.com> wrote:
> Hello Shinae,
>
> Did you try to use the testpmd tool with multiple queues per port? It
> gives you more flexibility compared to l2fwd app.
>
> You need to trigger the RSS feature of the NIC by sending different
> streams (just by changing the destination port for instance or any
> information in the 5-tuple). This will load balance your packets among
> several cores so that you can probe multiple queues with different
> cores. Otherwise, you will use only one core (or thread if HT is
> enabled) per port for the RX side.
>
> Best Regards,
> Emre
>
I wrote a partial baked version of pktgen for DPDK. Let me see if I can
get ok to release and clean it up.
Windriver has one as well, and they use it in their demo clases.
Not sure why it never got included.
next prev parent reply other threads:[~2013-05-28 3:29 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-28 2:26 Shinae Woo
2013-05-28 2:30 ` Naoto MATSUMOTO
2013-05-28 3:05 ` Shinae Woo
2013-05-28 3:15 ` Emre Eraltan
2013-05-28 3:29 ` Stephen Hemminger [this message]
2013-05-28 4:00 ` Shinae Woo
2013-05-29 3:09 ` Naoto MATSUMOTO
2013-05-28 9:22 ` Thomas Monjalon
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