Re: [PATCH V3 2/2] powerpc/pseries: init fault_around_order for pseries

2014-05-06 Thread Ingo Molnar
* Rusty Russell ru...@rustcorp.com.au wrote: Ingo Molnar mi...@kernel.org writes: * Madhavan Srinivasan ma...@linux.vnet.ibm.com wrote: Performance data for different FAULT_AROUND_ORDER values from 4 socket Power7 system (128 Threads and 128GB memory). perf stat with repeat of 5 is

Re: [PATCH V3 2/2] powerpc/pseries: init fault_around_order for pseries

2014-04-30 Thread Rusty Russell
Ingo Molnar mi...@kernel.org writes: * Madhavan Srinivasan ma...@linux.vnet.ibm.com wrote: Performance data for different FAULT_AROUND_ORDER values from 4 socket Power7 system (128 Threads and 128GB memory). perf stat with repeat of 5 is used to get the stddev values. Test ran in v3.14 kernel

Re: [PATCH V3 2/2] powerpc/pseries: init fault_around_order for pseries

2014-04-30 Thread Madhavan Srinivasan
On Wednesday 30 April 2014 12:34 PM, Rusty Russell wrote: Ingo Molnar mi...@kernel.org writes: * Madhavan Srinivasan ma...@linux.vnet.ibm.com wrote: Performance data for different FAULT_AROUND_ORDER values from 4 socket Power7 system (128 Threads and 128GB memory). perf stat with repeat of 5

Re: [PATCH V3 2/2] powerpc/pseries: init fault_around_order for pseries

2014-04-29 Thread Ingo Molnar
* Madhavan Srinivasan ma...@linux.vnet.ibm.com wrote: Performance data for different FAULT_AROUND_ORDER values from 4 socket Power7 system (128 Threads and 128GB memory). perf stat with repeat of 5 is used to get the stddev values. Test ran in v3.14 kernel (Baseline) and v3.15-rc1 for

Re: [PATCH V3 2/2] powerpc/pseries: init fault_around_order for pseries

2014-04-29 Thread Madhavan Srinivasan
On Tuesday 29 April 2014 07:48 AM, Rusty Russell wrote: Madhavan Srinivasan ma...@linux.vnet.ibm.com writes: diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 2db8cc6..c87e6b6 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++

Re: [PATCH V3 2/2] powerpc/pseries: init fault_around_order for pseries

2014-04-29 Thread Madhavan Srinivasan
On Tuesday 29 April 2014 12:36 PM, Ingo Molnar wrote: * Madhavan Srinivasan ma...@linux.vnet.ibm.com wrote: Performance data for different FAULT_AROUND_ORDER values from 4 socket Power7 system (128 Threads and 128GB memory). perf stat with repeat of 5 is used to get the stddev values. Test

[PATCH V3 2/2] powerpc/pseries: init fault_around_order for pseries

2014-04-28 Thread Madhavan Srinivasan
Performance data for different FAULT_AROUND_ORDER values from 4 socket Power7 system (128 Threads and 128GB memory). perf stat with repeat of 5 is used to get the stddev values. Test ran in v3.14 kernel (Baseline) and v3.15-rc1 for different fault around order values. FAULT_AROUND_ORDER

Re: [PATCH V3 2/2] powerpc/pseries: init fault_around_order for pseries

2014-04-28 Thread Rusty Russell
Madhavan Srinivasan ma...@linux.vnet.ibm.com writes: diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 2db8cc6..c87e6b6 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -74,6 +74,8 @@ int