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vbdmectics may not exist after host reboot

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This commit is contained in:
Anthony Xu 2014-03-05 16:04:34 -08:00
parent ad88bbb684
commit 38c0dd87a9
1 changed files with 9 additions and 3 deletions
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12
plugins/hypervisors/xen/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java
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@ -2361,9 +2361,15 @@ public abstract class CitrixResourceBase implements ServerResource, HypervisorRe
double diskReadKBs = 0;
double diskWriteKBs = 0;
for (VBD vbd : vm.getVBDs(conn)) {
VBDMetrics record = vbd.getMetrics(conn);
diskReadKBs += record.getIoReadKbs(conn);
diskWriteKBs += record.getIoWriteKbs(conn);
VBDMetrics vbdmetrics = vbd.getMetrics(conn);
if (!isRefNull(vbdmetrics)) {
try {
diskReadKBs += vbdmetrics.getIoReadKbs(conn);
diskWriteKBs += vbdmetrics.getIoWriteKbs(conn);
} catch (Types.HandleInvalid e) {
s_logger.debug("vbdmetrics doesn't exist ");
}
}
}
if (stats == null) {
stats = new VmStatsEntry();