linux-kernel - Re: [PATCH 0/3] perf/x86/rapl: Enable RAPL for AMD Fam17h

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Date:   Mon, 18 May 2020 10:50:58 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     Stephane Eranian <eranian@...gle.com>
Cc:     linux-kernel@...r.kernel.org, peterz@...radead.org, mingo@...e.hu,
        irogers@...gle.com, kim.phillips@....com
Subject: Re: [PATCH 0/3] perf/x86/rapl: Enable RAPL for AMD Fam17h

On Fri, May 15, 2020 at 02:57:30PM -0700, Stephane Eranian wrote:
> This patch series adds support for AMD Fam17h RAPL counters. As per
> AMD PPR, Fam17h support Package RAPL counters to monitor power usage.
> The RAPL counter operates as with Intel RAPL. As such, it is beneficial
> to share the code.
> 
> The series first moves the rapl.c file to common perf_events x86 and then
> adds the support.
> From the user's point of view, the interface is identical with
> /sys/devices/power. The energy-pkg event is the only one supported.
> 
> $ perf stat -a --per-socket -I 1000 -e power/energy-pkg/
> 
> Signed-off-by: Stephane Eranian <eranian@...gle.com>
> 
> Stephane Eranian (3):
>   perf/x86/rapl: move RAPL support to common x86 code
>   perf/x86/rapl: refactor code for Intel/AMD sharing
>   perf/x86/rapl: add AMD Fam17h RAPL support
> 
>  arch/x86/events/Kconfig            |  8 ++---
>  arch/x86/events/Makefile           |  1 +
>  arch/x86/events/intel/Makefile     |  2 --
>  arch/x86/events/probe.c            |  4 +++
>  arch/x86/events/{intel => }/rapl.c | 55 +++++++++++++++++++++++++-----
>  arch/x86/include/asm/msr-index.h   |  3 ++
>  6 files changed, 58 insertions(+), 15 deletions(-)
>  rename arch/x86/events/{intel => }/rapl.c (92%)

looks good to me, intel rapl keeps working for me ;-)

Acked-by: Jiri Olsa <jolsa@...hat.com>

thanks,
jirka