On 03/09/15 17:01, Ben Catterall wrote: > > Intel Intel 2.2GHz Xeon E5-2407 0 processor: > -------------------------------------------- > 1.55e-06 seconds was the average time for performing the write without the > deprivileged code running. > > 5.75e-06 seconds was the average time for performing the write with the > deprivileged code running. > > So approximately 351% overhead > > AMD Opteron 2376: > ----------------- > 1.74e-06 seconds was the average time for performing the write without the > deprivileged code running. > 3.10e-06 seconds was the average time for performing the write with an entry > and > exit from deprvileged mode. > > So approximately 178% overhead.
How does this compare to the overhead of passing the I/O through to qemu? David _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
