Avi Kivity wrote: > Avi Kivity wrote: >> >> There's still something wrong. When I start Windows with these >> patches applied, Windows startup consumes ~50 sec of cpu time, >> compared to ~12 sec without. Pinning qemu into cpu 0 seems to fix this. >> >> I'll investigate some more. >> > > Changing GUI_REFRESH_INTERVAL to 1000 (from 30) reduces cpu usage back > to normal. So I'm guessing there's some bad interaction between the > iothread getting the dirty log and vcpu 0. >
Turns out we held slots_lock while in guest mode (which we can be in for unbounded time). Dropping the lock restored behavior to normal, so I'm applying the patches. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
