Messages in this thread | | | Subject | Re: [PATCH RFC v2] lib: Proportions with flexible period | From | Peter Zijlstra <> | Date | Tue, 01 May 2012 12:34:57 +0200 |
| |
On Tue, 2012-04-24 at 18:30 +0200, Jan Kara wrote: > Implement code computing proportions of events of different type (like code in > lib/proportions.c) but allowing periods to have different lengths. This allows > us to have aging periods of fixed wallclock time which gives better proportion > estimates given the hugely varying throughput of different devices - previous > measuring of aging period by number of events has the problem that a reasonable > period length for a system with low-end USB stick is not a reasonable period > length for a system with high-end storage array resulting either in too slow > proportion updates or too fluctuating proportion updates.
OK, seems sound. Thanks!
| |