From: Juri Lelli <juri.lelli@arm.com>
To: Vincent Guittot <vincent.guittot@linaro.org>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
LAK <linux-arm-kernel@lists.infradead.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Russell King - ARM Linux <linux@arm.linux.org.uk>,
Sudeep Holla <sudeep.holla@arm.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Morten Rasmussen <morten.rasmussen@arm.com>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Mark Brown <broonie@kernel.org>
Subject: Re: [PATCH v7 4/8] arm64: parse cpu capacity-dmips-mhz from DT
Date: Mon, 12 Sep 2016 09:56:27 +0100 [thread overview]
Message-ID: <20160912085627.GN10409@e106622-lin> (raw)
In-Reply-To: <CAKfTPtCN9zMtL82zc_=-KZ6U+cMORi+JTBVLDxKccY2hbJ=3vw@mail.gmail.com>
Hi,
On 12/09/16 10:37, Vincent Guittot wrote:
> Hi Juri,
>
> On 5 September 2016 at 16:22, Juri Lelli <juri.lelli@arm.com> wrote:
> > With the introduction of cpu capacity-dmips-mhz bindings, CPU capacities
> > can now be calculated from values extracted from DT and information
> > coming from cpufreq. Add parsing of DT information at boot time, and
> > complement it with cpufreq information. Also, store such information
> > using per CPU variables, as we do for arm.
> >
> > Caveat: the information provided by this patch will start to be used in
> > the future. We need to #define arch_scale_cpu_capacity to something
> > provided in arch, so that scheduler's default implementation (which gets
> > used if arch_scale_cpu_capacity is not defined) is overwritten.
> >
> > Cc: Catalin Marinas <catalin.marinas@arm.com>
> > Cc: Will Deacon <will.deacon@arm.com>
> > Cc: Mark Brown <broonie@kernel.org>
> > Cc: Sudeep Holla <sudeep.holla@arm.com>
> > Signed-off-by: Juri Lelli <juri.lelli@arm.com>
>
> Acked-by: Vincent Guittot <vincent.guittot@linaro.org>
>
Thanks!
Best,
- Juri
next prev parent reply other threads:[~2016-09-12 8:56 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-05 14:22 [PATCH v7 0/8] CPUs capacity information for heterogeneous systems Juri Lelli
2016-09-05 14:22 ` [PATCH v7 1/8] Documentation: arm: define DT cpu capacity-dmips-mhz bindings Juri Lelli
[not found] ` <1473085372-2840-2-git-send-email-juri.lelli-5wv7dgnIgG8@public.gmane.org>
2016-12-12 12:40 ` Lorenzo Pieralisi
2016-12-12 13:33 ` Juri Lelli
2016-09-05 14:22 ` [PATCH v7 2/8] arm: parse cpu capacity-dmips-mhz from DT Juri Lelli
2016-09-12 8:36 ` Vincent Guittot
2016-09-12 8:55 ` Juri Lelli
2016-09-05 14:22 ` [PATCH v7 3/8] arm, dts: add TC2 cpu capacity-dmips-mhz information Juri Lelli
2016-09-05 14:22 ` [PATCH v7 4/8] arm64: parse cpu capacity-dmips-mhz from DT Juri Lelli
[not found] ` <1473085372-2840-5-git-send-email-juri.lelli-5wv7dgnIgG8@public.gmane.org>
2016-09-12 8:37 ` Vincent Guittot
2016-09-12 8:56 ` Juri Lelli [this message]
2016-09-05 14:22 ` [PATCH v7 5/8] arm64, dts: add Juno cpu capacity-dmips-mhz information Juri Lelli
2016-09-05 14:22 ` [PATCH v7 6/8] arm64, dts: add Juno r2 " Juri Lelli
[not found] ` <1473085372-2840-1-git-send-email-juri.lelli-5wv7dgnIgG8@public.gmane.org>
2016-09-05 14:22 ` [PATCH v7 7/8] arm: add sysfs cpu_capacity attribute Juri Lelli
2016-09-12 7:24 ` [PATCH v7 0/8] CPUs capacity information for heterogeneous systems Juri Lelli
2016-09-19 11:10 ` Juri Lelli
2016-09-05 14:22 ` [PATCH v7 8/8] arm64: add sysfs cpu_capacity attribute Juri Lelli
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