Igor and I coordinated offline and got this code tested on fully-virtualized XEN. Thanks a lot, Igor!
--matt On Tue, Dec 30, 2014 at 12:20 PM, Igor Kozhukhov <[email protected]> wrote: > I have dilos-xen34-dom0 with HVM and PV guests and I’d like to help with > testing by build and setup new guest. > > Could you please let me know scenarios what you are interest to test? > I have hw with coreI7 - it has less 32 CPU :) > > -- > Best regards, > Igor Kozhukhov > > From: illumos-dev <[email protected]> > Reply-To: Matthew Ahrens <[email protected]> > Date: Tuesday 30 December 2014 22:45 > To: developer <[email protected]>, illumos-zfs <[email protected]>, > illumos-dev <[email protected]> > Subject: [developer] [review request] [XPV test request] 5498 kmem_reap > does one xcall per page > > Review request for 5498 kmem_reap does one xcall per page: > > https://reviews.csiden.org/r/150/ > > The fix is to make the crosscall take an additional parameter which > (essentially) the number of contiguous pages to unmap. We use this to do > one crosscall per slab, rather than one per page. The xcall now tears down > all the pages used to back the slab (the pages are virtually contiguous). > The performance benefit is most noticeable when reaping larger caches (e.g. > 128KB) on machines with many CPUs (e.g. 32). > > I would also like to ask for help testing on __xpv (fully paravirtualized > Xen), as I don't have a setup for this. Build artifacts are available at: > > http://mahrens.org/xcall/packages.tgz > > http://mahrens.org/xcall/proto.tgz > > --matt > *illumos-developer* | Archives > <https://www.listbox.com/member/archive/182179/=now> > <https://www.listbox.com/member/archive/rss/182179/21175093-0a5a4566> | > Modify > <https://www.listbox.com/member/?member_id=21175093&id_secret=21175093-80f14849> > Your Subscription <http://www.listbox.com> > >
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