From b5c3fe1da5f67e0a83a3bc5c9358cbc779157354 Mon Sep 17 00:00:00 2001 From: Thorsten Behrens Date: Fri, 21 Feb 2014 11:38:41 +0100 Subject: [PATCH] Attempt empty path on virDomainBlockStats libvirt for some backends yields summary domain stats for empty disk path - which saves us the looping on our side. --- virtManager/domain.py | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/virtManager/domain.py b/virtManager/domain.py index 45ab6ee60..db21ae413 100644 --- a/virtManager/domain.py +++ b/virtManager/domain.py @@ -270,6 +270,7 @@ class vmmDomain(vmmLibvirtObject): self._enable_disk_poll = False self._stats_disk_supported = True self._stats_disk_skip = [] + self._summary_disk_stats_skip = False self.inspection = vmmInspectionData() @@ -1789,6 +1790,18 @@ class vmmDomain(vmmLibvirtObject): self._stats_disk_skip = [] return rd, wr + # Some drivers support this method for getting all usage at once + if not self._summary_disk_stats_skip: + try: + io = self._backend.blockStats('') + if io: + rd = io[1] + wr = io[3] + return rd, wr + except libvirt.libvirtError: + self._summary_disk_stats_skip = True + + # did not work, iterate over all disks for disk in self.get_disk_devices(refresh_if_nec=False): dev = disk.target if not dev: