On Wed, Aug 04 2010 at 7:53am -0400, Mikael Abrahamsson <swmike@xxxxxxxxx> wrote: > On Wed, 4 Aug 2010, Christoph Hellwig wrote: > > >The good news is that you have it tracked down, the bad news is > >that I know very little about dm-crypt. Maybe the issue is the > >single threaded decryption in dm-crypt? Can you check how much > >CPU time the dm crypt kernel thread uses? > > I'm not sure it's that. I have a Core i5 with AES-NI and that didn't > significantly increase my overall performance, as it's not there the > bottleneck is (at least in my system). You could try applying both of these patches that are pending review for hopeful inclussion in 2.6.36: https://patchwork.kernel.org/patch/103404/ https://patchwork.kernel.org/patch/112657/ -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel