From: "Dumitrescu, Cristian" <cristian.dumitrescu@intel.com>
To: Yerden Zhumabekov <e_zhumabekov@sts.kz>, "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] random pkt generator PMD
Date: Wed, 15 Jun 2016 11:25:59 +0000 [thread overview]
Message-ID: <3EB4FA525960D640B5BDFFD6A3D8912647A064BB@IRSMSX108.ger.corp.intel.com> (raw)
In-Reply-To: <576137B6.2000103@sts.kz>
> -----Original Message-----
> From: Yerden Zhumabekov [mailto:e_zhumabekov@sts.kz]
> Sent: Wednesday, June 15, 2016 12:11 PM
> To: Dumitrescu, Cristian <cristian.dumitrescu@intel.com>; dev@dpdk.org
> Subject: Re: [dpdk-dev] random pkt generator PMD
>
>
>
> On 15.06.2016 16:43, Dumitrescu, Cristian wrote:
> >
> >> -----Original Message-----
> >> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Yerden
> >> Zhumabekov
> >> Sent: Wednesday, June 15, 2016 10:44 AM
> >> To: dev@dpdk.org
> >> Subject: [dpdk-dev] random pkt generator PMD
> >>
> >> Hello everybody,
> >>
> >> DPDK already got a number of PMDs for various eth devices, it even has
> >> PMD emulations for backends such as pcap, sw rings etc.
> >>
> >> I've been thinking about the idea of having PMD which would generate
> >> mbufs on the fly in some randomized fashion. This would serve goals
> >> like, for example:
> >>
> >> 1) running tests for applications with network processing capabilities
> >> without additional software packet generators;
> >> 2) making performance measurements with no hw inteference;
> >> 3) ability to run without root privileges, --no-pci, --no-huge, for CI
> >> build, so on.
> >>
> >> Maybe there's no such need, and these goals may be achieved by other
> >> means and this idea is flawed? Any thoughts?
> > How about a Perl/Python script to generate a PCAP file with random
> packets and then feed the PCAP file to the PCAP PMD?
> >
> > Random can mean different requirements for different users/application, I
> think it is difficult to fit this under a simple generic API. Customizing the script
> for different requirements if a far better option in my opinion.
>
> AFAIK, the thing about pcap pmd is that one needs to rewind pcap file
> once pcap pmd reaches its end. It requires additional (non-generic)
> handling in app code.
Yes, this is an obvious improvement that needs to happen to PCAP PMD.
next prev parent reply other threads:[~2016-06-15 11:26 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-15 9:43 Yerden Zhumabekov
2016-06-15 9:49 ` Bruce Richardson
2016-06-15 10:03 ` Yerden Zhumabekov
2016-06-15 10:07 ` Bruce Richardson
2016-06-21 8:43 ` Yerden Zhumabekov
2016-06-15 10:43 ` Dumitrescu, Cristian
2016-06-15 11:10 ` Yerden Zhumabekov
2016-06-15 11:25 ` Panu Matilainen
2016-06-15 12:14 ` Yerden Zhumabekov
2016-06-15 12:24 ` Panu Matilainen
2016-06-15 12:25 ` Dumitrescu, Cristian
2016-06-15 12:54 ` Yerden Zhumabekov
2016-06-15 13:03 ` Dumitrescu, Cristian
2016-06-15 13:30 ` Arnon Warshavsky
2016-06-15 11:25 ` Dumitrescu, Cristian [this message]
2016-06-15 12:11 ` Dumitrescu, Cristian
2016-06-15 11:40 ` Thomas Monjalon
2016-06-15 11:48 ` Mcnamara, John
2016-06-15 11:50 ` Jay Rolette
2016-06-15 12:11 ` Yerden Zhumabekov
2016-06-15 12:33 ` Jay Rolette
2016-06-15 12:48 ` Yerden Zhumabekov
2016-06-15 13:02 ` Neil Horman
2016-06-16 6:20 ` Yerden Zhumabekov
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