On Mon, Jul 03, 2017 at 07:34:13AM +0800, Dongli Zhang wrote: > As both xen-netfront and xen-blkfront support multi-queue, they would > consume a lot of grant table references when there are many paravirtual > devices and vcpus assigned to guest. Guest domU might panic or hang due to > grant allocation failure when nr_grant_frames in guest has reached its max > value. > > This utility would help the administrators to diagnose xen issue. There is > only one command gnttab_query_size so far to monitor the guest grant table > frame usage on dom0 side so that it is not required to debug on guest > kernel side for crash/hang analysis anymore. > > It is extensible for adding new commands for more diagnostic functions and > the framework of xen-diag.c is from xen-livepatch.c. > > Signed-off-by: Dongli Zhang <dongli.zh...@oracle.com>
Acked-by: Wei Liu <wei.l...@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
