From: David S. Miller <davem@davemloft.net>
Date: Tue, 1 Jul 2014 22:50:56 +0000 (-0700)
Subject: Merge branch 'pktgen'
X-Git-Tag: firefly_0821_release~176^2~3474^2~246
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=edd79ca8b349b1204787df46aab8d091ad7095a2;p=firefly-linux-kernel-4.4.55.git

Merge branch 'pktgen'

Jesper Dangaard Brouer says:

====================
Optimizing pktgen for single CPU performance

This series focus on optimizing "pktgen" for single CPU performance.

V2-series:
 - Removed some patches
 - Doc real reason for TX ring buffer filling up

NIC tuning for pktgen:
 http://netoptimizer.blogspot.dk/2014/06/pktgen-for-network-overload-testing.html

General overload setup according to:
 http://netoptimizer.blogspot.dk/2014/04/basic-tuning-for-network-overload.html

Hardware:
 System: CPU E5-2630
 NIC: Intel ixgbe/82599 chip

Testing done with net-next git tree on top of
 commit 6623b41944 ("Merge branch 'master' of...jkirsher/net-next")

Pktgen script exercising race condition:
 https://github.com/netoptimizer/network-testing/blob/master/pktgen/unit_test01_race_add_rem_device_loop.sh

Tool for measuring LOCK overhead:
 https://github.com/netoptimizer/network-testing/blob/master/src/overhead_cmpxchg.c
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
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