Re: [RFC PATCH v4 00/14] sched: packing small tasks

2013-05-02 Thread Vincent Guittot
On 26 April 2013 17:46, Arjan van de Ven wrote: >>> >>> >>> so I got to ask the hard question; what percentage of system level (not >>> just >>> cpu level) >>> power consumption gain can you measure (pick your favorite workload)... >>> >> >> I haven't system level figures for my patches but only f

Re: [RFC PATCH v4 00/14] sched: packing small tasks

2013-04-26 Thread Vincent Guittot
On 26 April 2013 17:46, Arjan van de Ven wrote: >>> >>> >>> so I got to ask the hard question; what percentage of system level (not >>> just >>> cpu level) >>> power consumption gain can you measure (pick your favorite workload)... >>> >> >> I haven't system level figures for my patches but only f

Re: [RFC PATCH v4 00/14] sched: packing small tasks

2013-04-26 Thread Arjan van de Ven
so I got to ask the hard question; what percentage of system level (not just cpu level) power consumption gain can you measure (pick your favorite workload)... I haven't system level figures for my patches but only for the cpu subsystem. If we use the MP3 results in the back of my mail, they

Re: [RFC PATCH v4 00/14] sched: packing small tasks

2013-04-26 Thread Vincent Guittot
On 26 April 2013 17:00, Arjan van de Ven wrote: > On 4/25/2013 10:23 AM, Vincent Guittot wrote: >> >> Hi, >> >> This patchset takes advantage of the new per-task load tracking that is >> available in the kernel for packing the tasks in as few as possible >> CPU/Cluster/Core. It has got 2 packing m

Re: [RFC PATCH v4 00/14] sched: packing small tasks

2013-04-26 Thread Arjan van de Ven
On 4/25/2013 10:23 AM, Vincent Guittot wrote: Hi, This patchset takes advantage of the new per-task load tracking that is available in the kernel for packing the tasks in as few as possible CPU/Cluster/Core. It has got 2 packing modes: -The 1st mode packs the small tasks when the system is not t

Re: [RFC PATCH v4 00/14] sched: packing small tasks

2013-04-26 Thread Vincent Guittot
Hi, The patches are available in this git tree: git://git.linaro.org/people/vingu/kernel.git sched-pack-small-tasks-v4-fixed Vincent On 25 April 2013 19:23, Vincent Guittot wrote: > Hi, > > This patchset takes advantage of the new per-task load tracking that is > available in the kernel for pac

[RFC PATCH v4 00/14] sched: packing small tasks

2013-04-25 Thread Vincent Guittot
Hi, This patchset takes advantage of the new per-task load tracking that is available in the kernel for packing the tasks in as few as possible CPU/Cluster/Core. It has got 2 packing modes: -The 1st mode packs the small tasks when the system is not too busy. The main goal is to reduce the power co