Re: [Qemu-devel] [PATCH V3 for-1.6 5/5] block: Add throttling percentage metrics.

2013-07-26 Thread Benoît Canet
If I understand it, the percentage is recalculated every leak check. So it only reflects the instant io flow, instead of historical statistics? But I think for system admin purpose, it's good to know a longer range io activity character. Or do you think management tool should sample it? Yes I

Re: [Qemu-devel] [PATCH V3 for-1.6 5/5] block: Add throttling percentage metrics.

2013-07-25 Thread Fam Zheng
On Tue, 07/23 18:29, Benoît Canet wrote: This metrics show how many percent of the time I/Os are put on hold by the throttling algorithm. This metric could be used by system administrators or cloud stack developpers to decide when the throttling settings must be changed. Signed-off-by:

[Qemu-devel] [PATCH V3 for-1.6 5/5] block: Add throttling percentage metrics.

2013-07-23 Thread Benoît Canet
This metrics show how many percent of the time I/Os are put on hold by the throttling algorithm. This metric could be used by system administrators or cloud stack developpers to decide when the throttling settings must be changed. Signed-off-by: Benoit Canet ben...@irqsave.net --- block.c