linux-kernel - Re: [PATCH 0/2] x86/intel_rdt and perf/x86: Fix lack of coordination with perf

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Message-ID: <20180803152523.GY2476@hirez.programming.kicks-ass.net>
Date:   Fri, 3 Aug 2018 17:25:23 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Reinette Chatre <reinette.chatre@...el.com>
Cc:     Dave Hansen <dave.hansen@...el.com>, tglx@...utronix.de,
        mingo@...hat.com, fenghua.yu@...el.com, tony.luck@...el.com,
        vikas.shivappa@...ux.intel.com, gavin.hindman@...el.com,
        jithu.joseph@...el.com, hpa@...or.com, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] x86/intel_rdt and perf/x86: Fix lack of coordination
 with perf

On Fri, Aug 03, 2018 at 08:18:09AM -0700, Reinette Chatre wrote:
> You state that you understand what we are trying to do and I hope that I
> convinced you that we are not able to accomplish the same by following
> your guidance.

No, I said I understood your pmc reserve patch and its implications.

I have no clue what you're trying to do with resctl, nor why you think
this is not feasible with perf. And if it really is not feasible, you'll
have to live without it.