Laurent Vivier wrote: > Anthony Liguori wrote: > > Hi Anthony, > > I didn't modify aio_init limit... >
It would be pretty useful to give it a try. In qemu_aio_init() where aio_init() get's called. If you just bump aio_threads and aio_num from 1 to, say, 32. You should see a big difference in SCSI performance. Regards, Anthony Liguori > I made some benchmarks with liposix-aio, but results are worst with IDE and > crashes with SCSI (because I need to make some additional works). > > It's the part on which I work now (to align buffers to avoid redundant buffer > copy and open image disk with O_DIRECT). > > Regards, > Laurent > > ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel