mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-15 15:04:27 +08:00
3a1ed9cfaf
Commit dfbca41f34 ("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.
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Acked-by: Vincent Guittot <vincent.guittot@linaro.org>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Tested-by: Juri Lelli <juri.lelli@arm.com>
Reviewed-by: Juri Lelli <juri.lelli@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
#ifndef _ASM_ARM_TOPOLOGY_H
|
|
#define _ASM_ARM_TOPOLOGY_H
|
|
|
|
#ifdef CONFIG_ARM_CPU_TOPOLOGY
|
|
|
|
#include <linux/cpumask.h>
|
|
|
|
struct cputopo_arm {
|
|
int thread_id;
|
|
int core_id;
|
|
int socket_id;
|
|
cpumask_t thread_sibling;
|
|
cpumask_t core_sibling;
|
|
};
|
|
|
|
extern struct cputopo_arm cpu_topology[NR_CPUS];
|
|
|
|
#define topology_physical_package_id(cpu) (cpu_topology[cpu].socket_id)
|
|
#define topology_core_id(cpu) (cpu_topology[cpu].core_id)
|
|
#define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_sibling)
|
|
#define topology_sibling_cpumask(cpu) (&cpu_topology[cpu].thread_sibling)
|
|
|
|
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) { }
|
|
static inline void store_cpu_topology(unsigned int cpuid) { }
|
|
|
|
#endif
|
|
|
|
#include <asm-generic/topology.h>
|
|
|
|
#endif /* _ASM_ARM_TOPOLOGY_H */
|