Re: [PATCH 6/9] numa,sched: normalize faults_cpu stats and weigh by CPU use

2014-01-28 Thread Mel Gorman
On Mon, Jan 27, 2014 at 05:03:45PM -0500, r...@redhat.com wrote: > From: Rik van Riel > > Tracing the code that decides the active nodes has made it abundantly clear > that the naive implementation of the faults_from code has issues. > > Specifically, the garbage collector in some workloads

Re: [PATCH 6/9] numa,sched: normalize faults_cpu stats and weigh by CPU use

2014-01-28 Thread Mel Gorman
On Mon, Jan 27, 2014 at 05:03:45PM -0500, r...@redhat.com wrote: From: Rik van Riel r...@redhat.com Tracing the code that decides the active nodes has made it abundantly clear that the naive implementation of the faults_from code has issues. Specifically, the garbage collector in some

[PATCH 6/9] numa,sched: normalize faults_cpu stats and weigh by CPU use

2014-01-27 Thread riel
From: Rik van Riel Tracing the code that decides the active nodes has made it abundantly clear that the naive implementation of the faults_from code has issues. Specifically, the garbage collector in some workloads will access orders of magnitudes more memory than the threads that do all the

[PATCH 6/9] numa,sched: normalize faults_cpu stats and weigh by CPU use

2014-01-27 Thread riel
From: Rik van Riel r...@redhat.com Tracing the code that decides the active nodes has made it abundantly clear that the naive implementation of the faults_from code has issues. Specifically, the garbage collector in some workloads will access orders of magnitudes more memory than the threads

[PATCH 6/9] numa,sched: normalize faults_cpu stats and weigh by CPU use

2014-01-21 Thread riel
From: Rik van Riel Tracing the code that decides the active nodes has made it abundantly clear that the naive implementation of the faults_from code has issues. Specifically, the garbage collector in some workloads will access orders of magnitudes more memory than the threads that do all the

[PATCH 6/9] numa,sched: normalize faults_cpu stats and weigh by CPU use

2014-01-21 Thread riel
From: Rik van Riel r...@redhat.com Tracing the code that decides the active nodes has made it abundantly clear that the naive implementation of the faults_from code has issues. Specifically, the garbage collector in some workloads will access orders of magnitudes more memory than the threads