On 06/13/2011 09:54 PM, Osier Yang wrote: > Qemu once supported following memory stats which will returned by > "query_balloon": > > stat_put(dict, "actual", actual); > stat_put(dict, "mem_swapped_in", dev->stats[VIRTIO_BALLOON_S_SWAP_IN]); > stat_put(dict, "mem_swapped_out", dev->stats[VIRTIO_BALLOON_S_SWAP_OUT]); > stat_put(dict, "major_page_faults", dev->stats[VIRTIO_BALLOON_S_MAJFLT]); > stat_put(dict, "minor_page_faults", dev->stats[VIRTIO_BALLOON_S_MINFLT]); > stat_put(dict, "free_mem", dev->stats[VIRTIO_BALLOON_S_MEMFREE]); > stat_put(dict, "total_mem", dev->stats[VIRTIO_BALLOON_S_MEMTOT]); > > But it later disabled all the stats except "actual" by commit > 07b0403dfc2b2ac179ae5b48105096cc2d03375a. > > libvirt doesn't parse "actual", so user will always see a empty result > with "virsh dommemstat $domain". Even qemu haven't disabled the stats, > we should support parsing "actual". > --- > include/libvirt/libvirt.h.in | 4 +++- > src/libvirt.c | 2 ++ > src/qemu/qemu_monitor_json.c | 12 ++++++++++++ > src/qemu/qemu_monitor_text.c | 4 +++- > tools/virsh.c | 2 ++ > 5 files changed, 22 insertions(+), 2 deletions(-) ACK. This should work whether or not qemu supports "actual", and you fixed the findings from v1. -- Eric Blake eblake@xxxxxxxxxx +1-801-349-2682 Libvirt virtualization library http://libvirt.org
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