[your mailer broke threading because it failed to set In-Reply-To headers] On 03/14/2012 01:41 PM, ing...@web.de wrote:
>> The virDomainMemoryStats() is probably the >> key API to be using, > virDomainMemoryStats() I already focused, but there's not directly the data I > need (read and written bytes of RAM). Patches are welcome if you'd like to extend that API to provide additional stats, from the hypervisors that actually track those stats. > > I don't understand, why it's so hard to track those data. I read something > about > "xentrace", a tool to read out some CPU counters, which can be used to > approximate RAM accesse by using LLC-miss counter. Is there no easy way to > get > the data? I'm not aware of one, but that doesn't mean there isn't one; and it may be a simple patch to write if you can find the right place in the source. -- Eric Blake ebl...@redhat.com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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