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59316b8f7c
Keep the cpu_scale calculation in the arch_topology driver the way it is done in mainline. This will require appropriate capacity-dmips-mhz properties in the dt file. Do the energy model setup completely separate in kernel/sched/energy.c. This will allow to adapt the non-mainline energy model code more easily. Change-Id: I51af46e0f588e82512417fd168e25cec90dc9319 Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com> Git-commit: 70b670cc0c97ff350f260b827ca2e18799a57972 Git-repo: https://android.googlesource.com/kernel/common/ Signed-off-by: Puja Gupta <pujag@codeaurora.org>
41 lines
983 B
C
41 lines
983 B
C
#ifndef _LINUX_SCHED_ENERGY_H
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#define _LINUX_SCHED_ENERGY_H
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#include <linux/sched.h>
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#include <linux/slab.h>
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/*
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* There doesn't seem to be an NR_CPUS style max number of sched domain
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* levels so here's an arbitrary constant one for the moment.
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*
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* The levels alluded to here correspond to entries in struct
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* sched_domain_topology_level that are meant to be populated by arch
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* specific code (topology.c).
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*/
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#define NR_SD_LEVELS 8
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#define SD_LEVEL0 0
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#define SD_LEVEL1 1
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#define SD_LEVEL2 2
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#define SD_LEVEL3 3
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#define SD_LEVEL4 4
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#define SD_LEVEL5 5
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#define SD_LEVEL6 6
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#define SD_LEVEL7 7
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/*
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* Convenience macro for iterating through said sd levels.
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*/
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#define for_each_possible_sd_level(level) \
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for (level = 0; level < NR_SD_LEVELS; level++)
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extern struct sched_group_energy *sge_array[NR_CPUS][NR_SD_LEVELS];
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#ifdef CONFIG_GENERIC_ARCH_TOPOLOGY
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void init_sched_energy_costs(void);
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#else
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void init_sched_energy_costs(void) {}
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#endif
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#endif
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