From: Vincent Guittot <vincent.guittot@linaro.org> To: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: linux-kernel <linux-kernel@vger.kernel.org>, "linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>, Russell King - ARM Linux <linux@arm.linux.org.uk>, LAK <linux-arm-kernel@lists.infradead.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Russell King <rmk+kernel@armlinux.org.uk>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Juri Lelli <juri.lelli@arm.com>, Vincent Guittot <vincent.guittot@linaor.org>, Peter Zijlstra <peterz@infradead.org>, Morten Rasmussen <morten.rasmussen@arm.com> Subject: Re: [PATCH 3/6] arm: wire frequency-invariant accounting support up to the task scheduler Date: Mon, 12 Jun 2017 16:30:50 +0200 [thread overview] Message-ID: <CAKfTPtCHOsEDMDTiBvu-vdLgNJjD_j=hancL8RTJHOe9a6gJag@mail.gmail.com> (raw) In-Reply-To: <20170608075513.12475-4-dietmar.eggemann@arm.com> On 8 June 2017 at 09:55, Dietmar Eggemann <dietmar.eggemann@arm.com> wrote: > Commit dfbca41f3479 ("sched: Optimize freq invariant accounting") > changed the wiring which now has to be done by associating > arch_scale_freq_capacity with the actual implementation provided > by the architecture. > > Define arch_scale_freq_capacity to use the arch_topology "driver" > function topology_get_freq_scale() for the task scheduler's > frequency-invariant accounting instead of the default > arch_scale_freq_capacity() in kernel/sched/sched.h. > > Cc: Russell King <linux@arm.linux.org.uk> > Cc: Juri Lelli <juri.lelli@arm.com> > Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com> Acked-by: Vincent Guittot <vincent.guittot@linaro.org> > --- > arch/arm/include/asm/topology.h | 5 +++++ > arch/arm/kernel/topology.c | 1 - > 2 files changed, 5 insertions(+), 1 deletion(-) > > diff --git a/arch/arm/include/asm/topology.h b/arch/arm/include/asm/topology.h > index 370f7a732900..a56a9e24f4c0 100644 > --- a/arch/arm/include/asm/topology.h > +++ b/arch/arm/include/asm/topology.h > @@ -24,6 +24,11 @@ void init_cpu_topology(void); > void store_cpu_topology(unsigned int cpuid); > const struct cpumask *cpu_coregroup_mask(int cpu); > > +#include <linux/arch_topology.h> > + > +/* Replace task scheduler's default frequency-invariant accounting */ > +#define arch_scale_freq_capacity topology_get_freq_scale > + > #else > > static inline void init_cpu_topology(void) { } > diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c > index bf949a763dbe..2c47a76c67b0 100644 > --- a/arch/arm/kernel/topology.c > +++ b/arch/arm/kernel/topology.c > @@ -11,7 +11,6 @@ > * for more details. > */ > > -#include <linux/arch_topology.h> > #include <linux/cpu.h> > #include <linux/cpufreq.h> > #include <linux/cpumask.h> > -- > 2.11.0 >
WARNING: multiple messages have this Message-ID (diff)
From: vincent.guittot@linaro.org (Vincent Guittot) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 3/6] arm: wire frequency-invariant accounting support up to the task scheduler Date: Mon, 12 Jun 2017 16:30:50 +0200 [thread overview] Message-ID: <CAKfTPtCHOsEDMDTiBvu-vdLgNJjD_j=hancL8RTJHOe9a6gJag@mail.gmail.com> (raw) In-Reply-To: <20170608075513.12475-4-dietmar.eggemann@arm.com> On 8 June 2017 at 09:55, Dietmar Eggemann <dietmar.eggemann@arm.com> wrote: > Commit dfbca41f3479 ("sched: Optimize freq invariant accounting") > changed the wiring which now has to be done by associating > arch_scale_freq_capacity with the actual implementation provided > by the architecture. > > Define arch_scale_freq_capacity to use the arch_topology "driver" > function topology_get_freq_scale() for the task scheduler's > frequency-invariant accounting instead of the default > arch_scale_freq_capacity() in kernel/sched/sched.h. > > Cc: Russell King <linux@arm.linux.org.uk> > Cc: Juri Lelli <juri.lelli@arm.com> > Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com> Acked-by: Vincent Guittot <vincent.guittot@linaro.org> > --- > arch/arm/include/asm/topology.h | 5 +++++ > arch/arm/kernel/topology.c | 1 - > 2 files changed, 5 insertions(+), 1 deletion(-) > > diff --git a/arch/arm/include/asm/topology.h b/arch/arm/include/asm/topology.h > index 370f7a732900..a56a9e24f4c0 100644 > --- a/arch/arm/include/asm/topology.h > +++ b/arch/arm/include/asm/topology.h > @@ -24,6 +24,11 @@ void init_cpu_topology(void); > void store_cpu_topology(unsigned int cpuid); > const struct cpumask *cpu_coregroup_mask(int cpu); > > +#include <linux/arch_topology.h> > + > +/* Replace task scheduler's default frequency-invariant accounting */ > +#define arch_scale_freq_capacity topology_get_freq_scale > + > #else > > static inline void init_cpu_topology(void) { } > diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c > index bf949a763dbe..2c47a76c67b0 100644 > --- a/arch/arm/kernel/topology.c > +++ b/arch/arm/kernel/topology.c > @@ -11,7 +11,6 @@ > * for more details. > */ > > -#include <linux/arch_topology.h> > #include <linux/cpu.h> > #include <linux/cpufreq.h> > #include <linux/cpumask.h> > -- > 2.11.0 >
next prev parent reply other threads:[~2017-06-12 14:31 UTC|newest] Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-06-08 7:55 [PATCH 0/6] arm, arm64: frequency- and cpu-invariant accounting support for task scheduler Dietmar Eggemann 2017-06-08 7:55 ` Dietmar Eggemann 2017-06-08 7:55 ` [PATCH 1/6] drivers base/arch_topology: prepare cpufreq policy notifier for frequency-invariant load-tracking support Dietmar Eggemann 2017-06-08 7:55 ` Dietmar Eggemann 2017-06-12 14:45 ` Vincent Guittot 2017-06-12 14:45 ` Vincent Guittot 2017-06-08 7:55 ` [PATCH 2/6] drivers base/arch_topology: " Dietmar Eggemann 2017-06-08 7:55 ` Dietmar Eggemann 2017-06-08 7:55 ` Dietmar Eggemann 2017-06-12 14:27 ` Vincent Guittot 2017-06-12 14:27 ` Vincent Guittot 2017-06-14 7:55 ` Dietmar Eggemann 2017-06-14 7:55 ` Dietmar Eggemann 2017-06-14 7:55 ` Dietmar Eggemann 2017-06-14 13:08 ` Vincent Guittot 2017-06-14 13:08 ` Vincent Guittot 2017-06-15 8:28 ` Juri Lelli 2017-06-15 8:28 ` Juri Lelli 2017-06-21 16:40 ` Dietmar Eggemann 2017-06-21 16:40 ` Dietmar Eggemann 2017-06-20 6:17 ` Viresh Kumar 2017-06-20 6:17 ` Viresh Kumar 2017-06-20 6:17 ` Viresh Kumar 2017-06-21 0:31 ` Saravana Kannan 2017-06-21 0:31 ` Saravana Kannan 2017-06-21 0:31 ` Saravana Kannan 2017-06-21 5:37 ` Viresh Kumar 2017-06-21 5:37 ` Viresh Kumar 2017-06-21 5:37 ` Viresh Kumar 2017-06-21 16:57 ` Morten Rasmussen 2017-06-21 16:57 ` Morten Rasmussen 2017-06-21 16:57 ` Morten Rasmussen 2017-06-22 4:06 ` Viresh Kumar 2017-06-22 4:06 ` Viresh Kumar 2017-06-22 4:06 ` Viresh Kumar 2017-06-22 9:59 ` Morten Rasmussen 2017-06-22 9:59 ` Morten Rasmussen 2017-06-22 9:59 ` Morten Rasmussen 2017-06-21 17:08 ` Dietmar Eggemann 2017-06-21 17:08 ` Dietmar Eggemann 2017-06-21 17:08 ` Dietmar Eggemann 2017-06-21 16:38 ` Dietmar Eggemann 2017-06-21 16:38 ` Dietmar Eggemann 2017-06-21 16:38 ` Dietmar Eggemann 2017-06-22 3:55 ` Viresh Kumar 2017-06-22 3:55 ` Viresh Kumar 2017-06-22 3:55 ` Viresh Kumar 2017-06-26 8:28 ` Dietmar Eggemann 2017-06-26 8:28 ` Dietmar Eggemann 2017-06-08 7:55 ` [PATCH 3/6] arm: wire frequency-invariant accounting support up to the task scheduler Dietmar Eggemann 2017-06-08 7:55 ` Dietmar Eggemann 2017-06-12 14:30 ` Vincent Guittot [this message] 2017-06-12 14:30 ` Vincent Guittot 2017-06-08 7:55 ` [PATCH 4/6] arm: wire cpu-invariant " Dietmar Eggemann 2017-06-08 7:55 ` Dietmar Eggemann 2017-06-12 14:31 ` Vincent Guittot 2017-06-12 14:31 ` Vincent Guittot 2017-06-08 7:55 ` [PATCH 5/6] arm64: wire frequency-invariant " Dietmar Eggemann 2017-06-08 7:55 ` Dietmar Eggemann 2017-06-12 13:06 ` Catalin Marinas 2017-06-12 13:06 ` Catalin Marinas 2017-06-12 14:32 ` Vincent Guittot 2017-06-12 14:32 ` Vincent Guittot 2017-06-08 7:55 ` [PATCH 6/6] arm64: wire cpu-invariant " Dietmar Eggemann 2017-06-08 7:55 ` Dietmar Eggemann 2017-06-12 13:07 ` Catalin Marinas 2017-06-12 13:07 ` Catalin Marinas 2017-06-12 14:33 ` Vincent Guittot 2017-06-12 14:33 ` Vincent Guittot 2017-06-12 13:00 ` [PATCH 0/6] arm, arm64: frequency- and cpu-invariant accounting support for " Juri Lelli 2017-06-12 13:00 ` Juri Lelli 2017-06-12 13:04 ` Juri Lelli 2017-06-12 13:04 ` Juri Lelli
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