From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [PATCH v3 net-next 0/4] net: low latency Ethernet device polling
Date: Tue, 21 May 2013 06:31:39 -0700
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	 <519B632F.7040202@mellanox.com> <519B68A4.3010406@linux.intel.com>
	 <519B7355.9090303@mellanox.com>
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Cc: Eliezer Tamir <eliezer.tamir@linux.intel.com>,
	Dave Miller <davem@davemloft.net>,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	Jesse Brandeburg <jesse.brandeburg@intel.com>,
	Don Skidmore <donald.c.skidmore@intel.com>,
	e1000-devel@lists.sourceforge.net,
	Willem de Bruijn <willemb@google.com>,
	Andi Kleen <andi@firstfloor.org>, HPA <hpa@zytor.com>,
	Eliezer Tamir <eliezer@tamir.org.il>
To: Alex Rosenbaum <alexr@mellanox.com>
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In-Reply-To: <519B7355.9090303@mellanox.com>
Sender: linux-kernel-owner@vger.kernel.org
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On Tue, 2013-05-21 at 16:15 +0300, Alex Rosenbaum wrote:
> On 5/21/2013 3:29 PM, Eliezer Tamir wrote:
> > What benchmarks are you using to test poll/select/epoll?
> for epoll/select latency tests we are using sockperf as performance 
> latency tool: https://code.google.com/p/sockperf/
> It is a client-server based tool and it supported ping-pong, throughput, 
> and under-load test type.
> For epoll, you will need to define a 'feedfile' ("-f filepathname") 
> which has a list of TCP and/or UDP socket and defined your IO mux type 
> ("-F epoll").

I totally agree, most modern applications use poll/select/epoll,
and a fair amount of sockets per task, sendfile()/vmsplice()/... and
netperf is not using same paths.

Thanks Alex !