Re: [PATCH] sched: Calculate effective load even if local weight is 0

2014-01-17 Thread Mel Gorman
On Mon, Jan 13, 2014 at 01:22:40PM +0530, Preeti Murthy wrote: > Hi, > > On Mon, Jan 6, 2014 at 5:09 PM, Mel Gorman wrote: > > (Rik, you authored this patch so it should be sent from you and needs a > > signed-off assuming people are ok with the changelog.) > > > > Thomas Hellstrom bisected a

Re: [PATCH] sched: Calculate effective load even if local weight is 0

2014-01-17 Thread Mel Gorman
On Mon, Jan 13, 2014 at 01:22:40PM +0530, Preeti Murthy wrote: Hi, On Mon, Jan 6, 2014 at 5:09 PM, Mel Gorman mgor...@suse.de wrote: (Rik, you authored this patch so it should be sent from you and needs a signed-off assuming people are ok with the changelog.) Thomas Hellstrom bisected

Re: [PATCH] sched: Calculate effective load even if local weight is 0

2014-01-12 Thread Preeti Murthy
Hi, On Mon, Jan 6, 2014 at 5:09 PM, Mel Gorman wrote: > (Rik, you authored this patch so it should be sent from you and needs a > signed-off assuming people are ok with the changelog.) > > Thomas Hellstrom bisected a regression where erratic 3D performance is > experienced on virtual machines as

Re: [PATCH] sched: Calculate effective load even if local weight is 0

2014-01-12 Thread Preeti Murthy
Hi, On Mon, Jan 6, 2014 at 5:09 PM, Mel Gorman mgor...@suse.de wrote: (Rik, you authored this patch so it should be sent from you and needs a signed-off assuming people are ok with the changelog.) Thomas Hellstrom bisected a regression where erratic 3D performance is experienced on virtual

Re: [PATCH] sched: Calculate effective load even if local weight is 0

2014-01-06 Thread Rik van Riel
On 01/06/2014 07:35 AM, Peter Zijlstra wrote: > On Mon, Jan 06, 2014 at 11:39:12AM +, Mel Gorman wrote: >> wake_affine uses a weight of 0 for sync wakeups on the grounds that it >> is assuming the waking task will sleep and not contribute to load in the >> near future. In this case, we still

Re: [PATCH] sched: Calculate effective load even if local weight is 0

2014-01-06 Thread Mel Gorman
On Mon, Jan 06, 2014 at 01:34:20PM +0100, Peter Zijlstra wrote: > On Mon, Jan 06, 2014 at 11:39:12AM +, Mel Gorman wrote: > > (Rik, you authored this patch so it should be sent from you and needs a > > signed-off assuming people are ok with the changelog.) > > Where did all this take place? I

Re: [PATCH] sched: Calculate effective load even if local weight is 0

2014-01-06 Thread Peter Zijlstra
On Mon, Jan 06, 2014 at 11:39:12AM +, Mel Gorman wrote: > wake_affine uses a weight of 0 for sync wakeups on the grounds that it > is assuming the waking task will sleep and not contribute to load in the > near future. In this case, we still want to calculate the effective load > of the sched

Re: [PATCH] sched: Calculate effective load even if local weight is 0

2014-01-06 Thread Peter Zijlstra
On Mon, Jan 06, 2014 at 11:39:12AM +, Mel Gorman wrote: > (Rik, you authored this patch so it should be sent from you and needs a > signed-off assuming people are ok with the changelog.) Where did all this take place? I saw the initial email I think but then nothing.. Not that I was reading

[PATCH] sched: Calculate effective load even if local weight is 0

2014-01-06 Thread Mel Gorman
(Rik, you authored this patch so it should be sent from you and needs a signed-off assuming people are ok with the changelog.) Thomas Hellstrom bisected a regression where erratic 3D performance is experienced on virtual machines as measured by glxgears. It identified commit 58d081b5 (sched/numa:

[PATCH] sched: Calculate effective load even if local weight is 0

2014-01-06 Thread Mel Gorman
(Rik, you authored this patch so it should be sent from you and needs a signed-off assuming people are ok with the changelog.) Thomas Hellstrom bisected a regression where erratic 3D performance is experienced on virtual machines as measured by glxgears. It identified commit 58d081b5 (sched/numa:

Re: [PATCH] sched: Calculate effective load even if local weight is 0

2014-01-06 Thread Peter Zijlstra
On Mon, Jan 06, 2014 at 11:39:12AM +, Mel Gorman wrote: (Rik, you authored this patch so it should be sent from you and needs a signed-off assuming people are ok with the changelog.) Where did all this take place? I saw the initial email I think but then nothing.. Not that I was reading

Re: [PATCH] sched: Calculate effective load even if local weight is 0

2014-01-06 Thread Peter Zijlstra
On Mon, Jan 06, 2014 at 11:39:12AM +, Mel Gorman wrote: wake_affine uses a weight of 0 for sync wakeups on the grounds that it is assuming the waking task will sleep and not contribute to load in the near future. In this case, we still want to calculate the effective load of the sched

Re: [PATCH] sched: Calculate effective load even if local weight is 0

2014-01-06 Thread Mel Gorman
On Mon, Jan 06, 2014 at 01:34:20PM +0100, Peter Zijlstra wrote: On Mon, Jan 06, 2014 at 11:39:12AM +, Mel Gorman wrote: (Rik, you authored this patch so it should be sent from you and needs a signed-off assuming people are ok with the changelog.) Where did all this take place? I saw

Re: [PATCH] sched: Calculate effective load even if local weight is 0

2014-01-06 Thread Rik van Riel
On 01/06/2014 07:35 AM, Peter Zijlstra wrote: On Mon, Jan 06, 2014 at 11:39:12AM +, Mel Gorman wrote: wake_affine uses a weight of 0 for sync wakeups on the grounds that it is assuming the waking task will sleep and not contribute to load in the near future. In this case, we still want to