[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] xen: restore GNTTABOP_dump_table
On 16/11/12 15:52, David Vrabel wrote: > On 19/10/12 16:47, Roger Pau Monne wrote: >> This operation was dropped long time ago, but I found it quite helpful >> for debugging purposes. This re-implementation uses the code already >> present in gnttab_usage_print and adds the maptrack-table dump. > > Why is the operation useful? Isn't the debug key sufficient? The debug key doesn't print the maptrack, and also I found it quite useful to be able to call this from the guest kernel itself at certain specific points (like before and after cleaning the list of persistent grants), which is not possible when using the debug key. > # xl debug-key g > (XEN) gnttab_usage_print_all [ key 'g' pressed > (XEN) -------- active -------- -------- shared -------- > (XEN) [ref] localdom mfn pin localdom gmfn flags > (XEN) grant-table for remote domain: 0 ... no active grant table entries > (XEN) gnttab_usage_print_all ] done > > David > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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