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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 20:51:31 -0700	[thread overview]
Message-ID: <d5af6b286fa6c9de8d71075b657b952bf775e557.camel@perches.com> (raw)
In-Reply-To: <d7a19f05497b4137bacd639e576b7166e4a19842.camel@intel.com>

On Wed, 2020-08-12 at 11:29 +0800, Zhang Rui wrote:
> Hi,
> 
> Thanks for reviewing.
> 
> On Tue, 2020-08-11 at 11:19 -0700, Joe Perches wrote:
> > 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?
> > 
> enum rapl_unit_quirk is just used as a flag.
> multiple quirks can be deployed with the same flag, just like what I
> did in patch 3/3.
> Also different platforms can either have different flags or share the
> same flag.

Sure, but it does lead to possible code duplication in the quirks
as enums can not be combined like bit flags.

No worries, your code, your choice...


  reply	other threads:[~2020-08-12  3:51 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
2020-08-12  3:29     ` Zhang Rui
2020-08-12  3:51       ` Joe Perches [this message]
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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