Avi Kivity wrote: > if select() doesn't enable signals (like you can do with pselect) you > may sit for a long time in select() until the timer expires.
Hm. Does the guest timer affect host userspace in all configurations? The original trigger for my SIGIO patch was that opening a VNC connection would take up to a second, until the qemu RTC timer fired. > Consider a 100Hz Linux guest running 'ls -lR' out of a cold cache: > instead of 1-2 ms disk latencies you'll see 10 ms latencies, killing > performance by a factor of 5. I guess this works out even worse for a dyntick guest? > I still think (1) should be merged, preferably to qemu upstream. I will give it another try. They are not very receptive, though, and I am not that confident in what the patch is actually doing :-). You guys are helping me a lot in that regard, thanks. Cheers, Anders. ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
