Hi, Peter,
On Wed, 2021-02-03 at 15:47 +0100, Peter Zijlstra wrote:
> FWIW, your email is malformed, please wrap at 78 chars.
>
> On Mon, Jan 25, 2021 at 06:11:14AM +, Zhang, Rui wrote:
> > In short, the current code does not allow RAPL energy counter to
> > return 0. And all the work I do is
FWIW, your email is malformed, please wrap at 78 chars.
On Mon, Jan 25, 2021 at 06:11:14AM +, Zhang, Rui wrote:
> In short, the current code does not allow RAPL energy counter to
> return 0. And all the work I do is to allow Psys energy counter to
> return 0.
Ok.
> In this way, the Psys ev
tel.com' ;
> 'jo...@redhat.com' ; 'namhy...@kernel.org'
> ; 'linux-kernel@vger.kernel.org' ker...@vger.kernel.org>; 'x...@kernel.org' ;
> 'kan.li...@linux.intel.com' ;
> 'a...@linux.intel.com'
>
> Subject: RE:
g; linux-kernel@vger.kernel.org; x...@kernel.org;
> kan.li...@linux.intel.com; a...@linux.intel.com
> Subject: RE: [PATCH 3/3] perf/x86/rapl: Fix psys-energy event on Intel SPR
> platform
>
> Hi, Peter,
>
> > -Original Message-
> > From: Peter Zijlstra
&g
ernel@vger.kernel.org; x...@kernel.org;
> kan.li...@linux.intel.com; a...@linux.intel.com
> Subject: Re: [PATCH 3/3] perf/x86/rapl: Fix psys-energy event on Intel SPR
> platform
> Importance: High
>
> On Fri, Jan 15, 2021 at 05:22:08PM +0800, Zhang Rui wrote:
> > There are se
On Fri, Jan 15, 2021 at 05:22:08PM +0800, Zhang Rui wrote:
> There are several things special for the RAPL Psys energy counter, on
> Intel Sapphire Rapids platform.
> 1. it contains one Psys master package, and only CPUs on the master
>package can read valid value of the Psys energy counter, re
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