On Thu, Jul 03, 2014 at 04:31:46PM +0300, Gleb Voronich wrote:
Hello, I'm trying to get memory usage statistic inside a guest machine using virDomainMemoryStats function at libvirt. According to http://libvirt.org/html/libvirt-libvirt.html#virDomainMemoryStatTags the structure could have a lot of useful memory statistic but the amount of parameters depends on the hypervisor and the driver. However using KVM I'm able to get VIR_DOMAIN_MEMORY_STAT_ACTUAL_BALLOON and VIR_DOMAIN_MEMORY_STAT_RSS only.
QEMU/KVM only supports these two IIRC.
Am I right it is not possible to get additional info such as used/unused memory inside a guest machine in case of KVM?
Yes. Actually reporting some data from *inside* the domain is not what libvirt aims to provide. Martin
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