Re: svs_pmap_sync() svs_pdir_switch() overhead
Manuel Bouyer <[email protected]>
| Newsgroups | gmane.os.netbsd.ports.x86-64 |
|---|---|
| Message-ID | <[email protected]> |
On Tue, May 19, 2020 at 10:51:52PM +0000, Andrew Doran wrote: > Both of these show up prominently in profiling for me. This change largely > cures it: > > http://www.netbsd.org/~ad/2020/svs.diff > > Comments? I also noticed that the cost is very high on Xen PVH/PVHVM domUs, at last with ~10 year old hardware. -- Manuel Bouyer <[email protected]> NetBSD: 26 ans d'experience feront toujours la difference --