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From: Joe Perches <joe@perches.com>
To: Zhang Rui <rui.zhang@intel.com>,
	peterz@infradead.org, mingo@redhat.com, acme@kernel.org
Cc: linux-pm@vger.kernel.org, mark.rutland@arm.com,
	alexander.shishkin@linux.intel.com, jolsa@redhat.com,
	namhyung@kernel.org, linux-kernel@vger.kernel.org,
	kan.liang@linux.intel.com, len.brown@intel.com,
	rafael@kernel.org
Subject: Re: [PATCH v2 2/3] perf/x86/rapl: Support multiple rapl unit quirks
Date: Tue, 11 Aug 2020 11:19:42 -0700	[thread overview]
Message-ID: <445d4b9039daca40a4d937959a0bc48ffe347f7f.camel@perches.com> (raw)
In-Reply-To: <20200811153149.12242-3-rui.zhang@intel.com>

On Tue, 2020-08-11 at 23:31 +0800, Zhang Rui wrote:
> There will be more platforms with different fixed energy units.
> Enhance the code to support different rapl unit quirks for different
> platforms.

This seems like one quirk per platform.

Should multiple quirks on individual platforms be supported?

> diff --git a/arch/x86/events/rapl.c b/arch/x86/events/rapl.c
[]
> @@ -130,11 +130,16 @@ struct rapl_pmus {
>  	struct rapl_pmu		*pmus[];
>  };
>  
> +enum rapl_unit_quirk {
> +	RAPL_UNIT_QUIRK_NONE,
> +	RAPL_UNIT_QUIRK_INTEL_HSW,
> +};
> +
>  struct rapl_model {
>  	struct perf_msr *rapl_msrs;
>  	unsigned long	events;
>  	unsigned int	msr_power_unit;
> -	bool		apply_quirk;
> +	enum rapl_unit_quirk	unit_quirk;
>  };



  reply	other threads:[~2020-08-11 18:19 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-11 15:31 [PATCH v2 0/3] perf/x86/rapl: Add Intel SapphireRapids support Zhang Rui
2020-08-11 15:31 ` [PATCH v2 1/3] perf/x86/rapl: Fix missing psys sysfs attributes Zhang Rui
2020-08-14 15:23   ` [tip: perf/urgent] " tip-bot2 for Zhang Rui
2020-08-11 15:31 ` [PATCH v2 2/3] perf/x86/rapl: Support multiple rapl unit quirks Zhang Rui
2020-08-11 18:19   ` Joe Perches [this message]
2020-08-12  3:29     ` Zhang Rui
2020-08-12  3:51       ` Joe Perches
2020-08-14 15:23   ` [tip: perf/urgent] perf/x86/rapl: Support multiple RAPL " tip-bot2 for Zhang Rui
2020-08-11 15:31 ` [PATCH v2 3/3] perf/x86/rapl: Add support for Intel SPR platform Zhang Rui
2020-08-14 15:23   ` [tip: perf/urgent] " tip-bot2 for Zhang Rui

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