Re: [ovs-dev] Statistics Collection Performance Impact

2012-01-24 Thread Simon Horman
On Wed, Dec 21, 2011 at 12:10:45PM -0800, Ben Pfaff wrote: > On Wed, Dec 21, 2011 at 05:54:18PM +0900, Simon Horman wrote: > > On Mon, Dec 12, 2011 at 09:46:44AM -0800, Ben Pfaff wrote: > > > On Sun, Dec 11, 2011 at 11:20:50AM +0900, Simon Horman wrote: > > > > sorry for the long delay. I finally h

Re: [ovs-dev] Statistics Collection Performance Impact

2011-12-21 Thread Ben Pfaff
On Wed, Dec 21, 2011 at 05:54:18PM +0900, Simon Horman wrote: > On Mon, Dec 12, 2011 at 09:46:44AM -0800, Ben Pfaff wrote: > > On Sun, Dec 11, 2011 at 11:20:50AM +0900, Simon Horman wrote: > > > sorry for the long delay. I finally had a stab at implementing this idea > > > but as yet it does not se

Re: [ovs-dev] Statistics Collection Performance Impact

2011-12-12 Thread Ben Pfaff
On Sun, Dec 11, 2011 at 11:20:50AM +0900, Simon Horman wrote: > sorry for the long delay. I finally had a stab at implementing this idea > but as yet it does not seem to be working. > > My implementation simply keeps track of a static struct dpif_flow_dump dump > in update_stats() and resets it as

Re: [ovs-dev] Statistics Collection Performance Impact

2011-12-10 Thread Simon Horman
On Mon, Nov 28, 2011 at 02:03:10PM -0800, Ben Pfaff wrote: > On Thu, Nov 10, 2011 at 09:14:50AM -0800, Ben Pfaff wrote: > > On Thu, Nov 10, 2011 at 06:04:07PM +0900, Simon Horman wrote: > > > On Wed, Nov 09, 2011 at 08:14:36PM -0800, Ben Pfaff wrote: > > > > On Thu, Nov 10, 2011 at 10:20:24AM +0900

Re: [ovs-dev] Statistics Collection Performance Impact

2011-11-28 Thread Ben Pfaff
On Thu, Nov 10, 2011 at 09:14:50AM -0800, Ben Pfaff wrote: > On Thu, Nov 10, 2011 at 06:04:07PM +0900, Simon Horman wrote: > > On Wed, Nov 09, 2011 at 08:14:36PM -0800, Ben Pfaff wrote: > > > On Thu, Nov 10, 2011 at 10:20:24AM +0900, Simon Horman wrote: > > > > On Wed, Nov 09, 2011 at 01:19:42PM -0

Re: [ovs-dev] Statistics Collection Performance Impact

2011-11-10 Thread Ben Pfaff
On Thu, Nov 10, 2011 at 06:04:07PM +0900, Simon Horman wrote: > On Wed, Nov 09, 2011 at 08:14:36PM -0800, Ben Pfaff wrote: > > On Thu, Nov 10, 2011 at 10:20:24AM +0900, Simon Horman wrote: > > > On Wed, Nov 09, 2011 at 01:19:42PM -0800, Ben Pfaff wrote: > > > > On Mon, Nov 07, 2011 at 04:20:19PM +0

Re: [ovs-dev] Statistics Collection Performance Impact

2011-11-10 Thread Simon Horman
On Wed, Nov 09, 2011 at 08:14:36PM -0800, Ben Pfaff wrote: > On Thu, Nov 10, 2011 at 10:20:24AM +0900, Simon Horman wrote: > > On Wed, Nov 09, 2011 at 01:19:42PM -0800, Ben Pfaff wrote: > > > On Mon, Nov 07, 2011 at 04:20:19PM +0900, Simon Horman wrote: > > > > Although a very simple and possibly n

Re: [ovs-dev] Statistics Collection Performance Impact

2011-11-09 Thread Ben Pfaff
On Thu, Nov 10, 2011 at 10:20:24AM +0900, Simon Horman wrote: > On Wed, Nov 09, 2011 at 01:19:42PM -0800, Ben Pfaff wrote: > > On Mon, Nov 07, 2011 at 04:20:19PM +0900, Simon Horman wrote: > > > Although a very simple and possibly na??ve approach, I wonder if > > > dynamically extending the interva

Re: [ovs-dev] Statistics Collection Performance Impact

2011-11-09 Thread Simon Horman
On Wed, Nov 09, 2011 at 01:19:42PM -0800, Ben Pfaff wrote: > On Mon, Nov 07, 2011 at 04:20:19PM +0900, Simon Horman wrote: > > Although a very simple and possibly na??ve approach, I wonder if > > dynamically extending the interval at which statistics are collected is > > a worthwhile approach to mi

Re: [ovs-dev] Statistics Collection Performance Impact

2011-11-09 Thread Ben Pfaff
On Mon, Nov 07, 2011 at 04:20:19PM +0900, Simon Horman wrote: > Although a very simple and possibly na??ve approach, I wonder if > dynamically extending the interval at which statistics are collected is > a worthwhile approach to mitigating the performance impact of statistics > collection. It's o