On 10/26/2012 07:59 AM, Peter Krempa wrote:
On 10/25/12 22:57, Eric Blake wrote:
> It turns out that the cpuacct results properly account for offline
> cpus, and always returns results for every possible cpu, not just
> the online ones. So there is no need to check the map of online
> cpus in the first place, merely only a need to know the maximum
> possible cpu. Meanwhile, virNodeGetCPUBitmap had a subtle change
> from returning the maximum id to instead returning the width of
> the bitmap (one larger than the maximum id), which made this code
> encounter some off-by-one logic leading to bad error messages when
> a cpu was offline:
>
virBitmapPtr map = NULL;
> - virBitmapPtr map2 = NULL;
When you apply this patch "map" is also not needed (never actualy used).
Is there a way to replace
"map = nodeGetCPUBitmap(domain->conn, &max_id);" to get max_id?
That's
the only thing that code is used to.
> int rv = -1;
> int i, id, max_id;
> char *pos;
Otherwise looks good. (ACK if there isn't any other option to get max_id
than to call nodeGetCPUBitmap)
Hmm, good point. I'll spin a v2 that adds a new helper function in
nodeinfo.c for getting at just the number of host cpus.
--
Eric Blake eblake(a)redhat.com +1-919-301-3266
Libvirt virtualization library
http://libvirt.org