On Tue, Apr 14, 2009 at 08:12:10AM -0700, Kaitlin Rupert wrote:
Hi Tyrel,
My guess is that the libvirt documentation is incorrect. I would follow
up with the libvirt devs on libvir-list(a)redhat.com to be sure though.
Yes, that's unfortunate, as I replied on the list the implementations
didn't follow the description, so I'm updating the description with a
note to avoid troubles.
Daniel
Tyrel Datwyler wrote:
>
> The libvirt API states that the return value of virNodeGetFreeMemory()
> is in kilobytes. When making this call against a Xen hypervisor and
> comparing the returned value with what is listed by "xm info" it
> appears that libvirt is returning the free memory in bytes and not
> kilobytes. Can anybody confirm this behavior?
>
> This code snippet:
>
> conn = virConnectOpen("xen:///localhost/");
> hostmem = virNodeGetFreeMemory(conn);
> fprintf(stdout, "Host free memory = %llu\n", hostmem);
>
> produces the following output:
>
> Host free memory = 3236012032
>
> The following comes from running "xm info" on the Xen host:
>
> free_memory : 3086
>
> The libvirt value is convertable into the "xm" returned value if bytes
> is assumed.
>
> Regards,
>
> Tyrel Datwyler
>
> Linux Software Engineer
> eServer Systems Management
> IBM Systems and Technology Group
> Email: tyreld(a)us.ibm.com
> External: (503) 578-3489, T/L: 775-3489
>
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Daniel Veillard | libxml Gnome XML XSLT toolkit
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