Re: [PATCH v8 0/3] powerpc: Detection and scheduler optimization for POWER9 bigcore

2018-09-26 Thread Gautham R Shenoy
Hello Dave, On Tue, Sep 25, 2018 at 03:16:30PM -0700, Dave Hansen wrote: > On 09/22/2018 04:03 AM, Gautham R Shenoy wrote: > > Without this patchset, the SMT domain would be defined as the group of > > threads that share L2 cache. > > Could you try to make a more clear, concise statement about

Re: [PATCH v8 0/3] powerpc: Detection and scheduler optimization for POWER9 bigcore

2018-09-25 Thread Dave Hansen
On 09/22/2018 04:03 AM, Gautham R Shenoy wrote: > Without this patchset, the SMT domain would be defined as the group of > threads that share L2 cache. Could you try to make a more clear, concise statement about the current state of the art vs. what you want it to be? Right now, the sched

Re: [PATCH v8 0/3] powerpc: Detection and scheduler optimization for POWER9 bigcore

2018-09-22 Thread Gautham R Shenoy
Hi Dave, On Thu, Sep 20, 2018 at 11:04:54AM -0700, Dave Hansen wrote: > On 09/20/2018 10:22 AM, Gautham R. Shenoy wrote: > >- > >|L1 Cache | > >-- > >|L2| | | | | > >| |

Re: [PATCH v8 0/3] powerpc: Detection and scheduler optimization for POWER9 bigcore

2018-09-20 Thread Dave Hansen
On 09/20/2018 10:22 AM, Gautham R. Shenoy wrote: > - > |L1 Cache | >-- >|L2| | | | | >| | 0 | 2 | 4 | 6 |Small Core0 >|C | | | | | >

[PATCH v8 0/3] powerpc: Detection and scheduler optimization for POWER9 bigcore

2018-09-20 Thread Gautham R. Shenoy
From: "Gautham R. Shenoy" Hi, This is the eight iteration of the patchset to add support for big-core on POWER9. This patch also optimizes the task placement on such big-core systems. The previous versions can be found here: v7: https://lkml.org/lkml/2018/8/20/52 v6: