From: Rusty Russell <rusty@rustcorp.com.au>
Date: Wed, 20 Mar 2013 05:14:26 +0000 (+1030)
Subject: tools/virtio: make vringh_test use inbuf/outbuf.
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~63^2~42
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e538ebaf78455ff87dec2c34d4f9c128844e3f3f;p=pandora-kernel.git

tools/virtio: make vringh_test use inbuf/outbuf.

As expected, the simplified accessors are faster.

for i in `seq 50`; do /usr/bin/time -f 'Wall time:%e' ./vringh_test --indirect --eventidx --parallel --fast-vringh; done 2>&1 | stats --trim-outliers:

Before:
	Using CPUS 0 and 3
	Guest: notified 0, pinged 39062-39063(39063)
	Host: notified 39062-39063(39063), pinged 0
	Wall time:1.760000-2.220000(1.789167)

After:
	Using CPUS 0 and 3
	Guest: notified 0, pinged 39037-39063(39062)
	Host: notified 39037-39063(39062), pinged 0
	Wall time:1.640000-1.810000(1.676875)

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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