RE: [PATCH V3 2/4] x86/resctrl: Enumerate per-thread MBA

2020-05-14 Thread Babu Moger
gt; h...@zytor.com; x...@kernel.org; linux-kernel@vger.kernel.org > Subject: Re: [PATCH V3 2/4] x86/resctrl: Enumerate per-thread MBA > > Hi Babu, > > On 5/14/2020 12:04 PM, Babu Moger wrote: > > > > > >> -Original Message- > >> From: Rei

Re: [PATCH V3 2/4] x86/resctrl: Enumerate per-thread MBA

2020-05-14 Thread Reinette Chatre
.ts...@intel.com; ravi.v.shan...@intel.com; mi...@redhat.com; >> Moger, Babu ; h...@zytor.com; x...@kernel.org; >> linux-kernel@vger.kernel.org; Reinette Chatre >> Subject: [PATCH V3 2/4] x86/resctrl: Enumerate per-thread MBA >> >> From: Fenghua Yu >>

RE: [PATCH V3 2/4] x86/resctrl: Enumerate per-thread MBA

2020-05-14 Thread Babu Moger
u ; h...@zytor.com; x...@kernel.org; > linux-kernel@vger.kernel.org; Reinette Chatre > Subject: [PATCH V3 2/4] x86/resctrl: Enumerate per-thread MBA > > From: Fenghua Yu > > Some systems support per-thread Memory Bandwidth Allocation (MBA) which > applies a throttling d

[PATCH V3 2/4] x86/resctrl: Enumerate per-thread MBA

2020-05-06 Thread Reinette Chatre
From: Fenghua Yu Some systems support per-thread Memory Bandwidth Allocation (MBA) which applies a throttling delay value to each hardware thread instead of to a core. Per-thread MBA is enumerated by CPUID. No feature flag is shown in /proc/cpuinfo. User applications need to check a resctrl