[libvirt] [PATCH] qemu: Get memory balloon info correctly for text monitor

[Daniel P. Berrange]

On Mon, Aug 15, 2011 at 11:27:43AM -0500, Adam Litke wrote:
> On 08/15/2011 08:23 AM, Osier Yang wrote:
> > 于 2011年08月15日 21:58, Osier Yang 写道:
> >> * src/qemu/qemu_monitor_text.c: BALLOON_PREFIX was defined as
> >> "balloon: actual=", which cause "actual=" is stripped early before
> >> the real parsing. This patch changes BALLOON_PREFIX into "balloon: ",
> >> and modifies related functions, also renames
> >> "qemuMonitorParseExtraBalloonInfo" to "qemuMonitorParseBalloonInfo",
> >> as after the changing, it parses all the info returned by "info balloon".
> > 
> > Forgot to mention the problem, e.g. "virsh dommemstat $domain" returns empty
> > result.
> 
> That is because qemu has disabled stats reporting and so the extra
> fields are not present in the info balloon response.

I'd completely forgotten about this problem. We really should try to
get this fixed & renabled in QEMU sometime in the not too distant
future.

Daniel
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