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authorRusty Russell <rusty@rustcorp.com.au>2009-06-12 22:27:12 -0600
committerRusty Russell <rusty@rustcorp.com.au>2009-06-12 22:27:13 +0930
commitb60da13fc7bbf99d3c68578bd3fbcf66e1cb5f41 (patch)
tree6ae96583da3212755d867fdff30b2f9ae58609e8 /Documentation/Intel-IOMMU.txt
parent4a8962e21bc505c714fc2508494d4c7dd3fe2d29 (diff)
lguest: suppress notifications in example Launcher
The Guest only really needs to tell us about activity when we're going to listen to the eventfd: normally, we don't want to know. So if there are no available buffers, turn on notifications, re-check, then wait for the Guest to notify us via the eventfd, then turn notifications off again. There's enough else going on that the differences are in the noise. Before: Secs RxKicks TxKicks 1G TCP Guest->Host: 3.94 4686 32815 1M normal pings: 104 142862 1000010 1M 1k pings (-l 120): 57 142026 1000007 After: 1G TCP Guest->Host: 3.76 4691 32811 1M normal pings: 111 142859 997467 1M 1k pings (-l 120): 55 19648 501549 Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'Documentation/Intel-IOMMU.txt')
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