Aurelien Jarno wrote: >>> >>> I finally didn't resist to run git bisect before going to bed... >>> >>> The patch that causes the regression is: >>> >>> commit 7d2e674835492040c9baddf0989a95abea9a8d0f >>> Author: Avi Kivity <[EMAIL PROTECTED]> >>> Date: Sun Jul 15 15:08:23 2007 +0300 >>> >>> kvm: qemu: synchronous signal handling >>> >>> in order to ensure that signals are handled with the global lock held, >>> we >>> block them, and dequeue them with sigtimedwait(). we can then call the >>> handlers directly. >>> >>> this ensures that the device model and internal qemu data structures >>> are not >>> corrupted by cpu 0 thread handling a signal while cpu 1 is servicing a >>> pio >>> or mmio request. >>> >>> >>> >> Is this with -net user or -net tap? >> >> > > With -net tap. > >
I pushed a commit which fixes a latency issue with that commit. However with my test (ping -f against the host) I only get a x2 performance increase. Can you test kvm-userspace.git? And can you detail your benchmark? -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
