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Groups > linux.kernel > #1660894
| From | Dietmar Eggemann <dietmar.eggemann@arm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 5/6] arm64: wire frequency-invariant accounting support up to the task scheduler |
| Date | 2017-06-08 10:00 +0200 |
| Message-ID | <tQ0wi-1oo-33@gated-at.bofh.it> (permalink) |
| References | <tQ0wh-1oo-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Juri Lelli <juri.lelli@arm.com>
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
---
arch/arm64/include/asm/topology.h | 5 +++++
arch/arm64/kernel/topology.c | 1 -
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/include/asm/topology.h b/arch/arm64/include/asm/topology.h
index 8b57339823e9..44598a86ec4a 100644
--- a/arch/arm64/include/asm/topology.h
+++ b/arch/arm64/include/asm/topology.h
@@ -32,6 +32,11 @@ int pcibus_to_node(struct pci_bus *bus);
#endif /* CONFIG_NUMA */
+#include <linux/arch_topology.h>
+
+/* Replace task scheduler's default frequency-invariant accounting */
+#define arch_scale_freq_capacity topology_get_freq_scale
+
#include <asm-generic/topology.h>
#endif /* _ASM_ARM_TOPOLOGY_H */
diff --git a/arch/arm64/kernel/topology.c b/arch/arm64/kernel/topology.c
index 79244c75eaec..6cbb6315e493 100644
--- a/arch/arm64/kernel/topology.c
+++ b/arch/arm64/kernel/topology.c
@@ -11,7 +11,6 @@
* for more details.
*/
-#include <linux/arch_topology.h>
#include <linux/cpu.h>
#include <linux/cpumask.h>
#include <linux/init.h>
--
2.11.0
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[PATCH 0/6] arm, arm64: frequency- and cpu-invariant accounting support for task scheduler Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-06-08 10:00 +0200
[PATCH 1/6] drivers base/arch_topology: prepare cpufreq policy notifier for frequency-invariant load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-06-08 10:00 +0200
Re: [PATCH 1/6] drivers base/arch_topology: prepare cpufreq policy notifier for frequency-invariant load-tracking support Vincent Guittot <vincent.guittot@linaro.org> - 2017-06-12 16:50 +0200
[PATCH 5/6] arm64: wire frequency-invariant accounting support up to the task scheduler Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-06-08 10:00 +0200
Re: [PATCH 5/6] arm64: wire frequency-invariant accounting support up to the task scheduler Catalin Marinas <catalin.marinas@arm.com> - 2017-06-12 15:10 +0200
Re: [PATCH 5/6] arm64: wire frequency-invariant accounting support up to the task scheduler Vincent Guittot <vincent.guittot@linaro.org> - 2017-06-12 16:40 +0200
Re: [PATCH 0/6] arm, arm64: frequency- and cpu-invariant accounting support for task scheduler Juri Lelli <juri.lelli@arm.com> - 2017-06-12 15:10 +0200
Re: [PATCH 0/6] arm, arm64: frequency- and cpu-invariant accounting support for task scheduler Juri Lelli <juri.lelli@arm.com> - 2017-06-12 15:10 +0200
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