On 09/25/2015 08:00 AM, Markus Armbruster wrote:
> VSERPORT_CHANGE is emitted when the guest opens or closes a
> virtio-serial port.  The event's member "id" identifies the port.
> 
> When several events arrive quickly, throttling drops all but the last
> of them.  Because of that, a QMP client must assume that *any* port
> may have changed state when it receives a VSERPORT_CHANGE event and
> throttling may have happened.
> 
> Make the event more useful by throttling it for each port separately.
> 
> Signed-off-by: Markus Armbruster <arm...@redhat.com>
> ---
>  monitor.c | 18 ++++++++++++++++--
>  1 file changed, 16 insertions(+), 2 deletions(-)
> 

All future differentiation would be added as additional special cases
within the hash functions, but I like this approach for keeping the rest
of the algorithm independent from what the hashing considers as equivalent.

Reviewed-by: Eric Blake <ebl...@redhat.com>

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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