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Commit d4a22ea9 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "Merge remote-tracking branch 'quic/tmp-hmp' into msm-3.10"

parents 85a9bf77 ece15fe2

arch/arm/kernel/topology.c

+9 −0
Original line number Diff line number Diff line
@@ -52,6 +52,13 @@ static void set_power_scale(unsigned int cpu, unsigned long power) 
	per_cpu(cpu_scale, cpu) = power;

}



static DEFINE_PER_CPU(unsigned long, cpu_efficiency) = SCHED_POWER_SCALE;



unsigned long arch_get_cpu_efficiency(int cpu)

{

	return per_cpu(cpu_efficiency, cpu);

}



#ifdef CONFIG_OF

struct cpu_efficiency {

	const char *compatible;
@@ -117,6 +124,8 @@ static void __init parse_dt_topology(void) 
		if (cpu_eff->compatible == NULL)

			continue;



		per_cpu(cpu_efficiency, cpu) = cpu_eff->efficiency;



		rate = of_get_property(cn, "clock-frequency", &len);

		if (!rate || len != 4) {

			pr_err("%s missing clock-frequency property\n",

arch/arm64/configs/msm8994-perf_defconfig

+2 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ CONFIG_CGROUP_CPUACCT=y 
CONFIG_RESOURCE_COUNTERS=y

CONFIG_CGROUP_SCHED=y

CONFIG_RT_GROUP_SCHED=y

CONFIG_SCHED_HMP=y

CONFIG_NAMESPACES=y

# CONFIG_UTS_NS is not set

# CONFIG_IPC_NS is not set
@@ -47,6 +48,7 @@ CONFIG_PM_WAKELOCKS_LIMIT=0 
CONFIG_PM_RUNTIME=y

CONFIG_SUSPEND_TIME=y

CONFIG_CPU_FREQ=y

CONFIG_SCHED_FREQ_INPUT=y

CONFIG_CPU_FREQ_GOV_POWERSAVE=y

CONFIG_CPU_FREQ_GOV_USERSPACE=y

CONFIG_CPU_FREQ_GOV_ONDEMAND=y

arch/arm64/configs/msm8994_defconfig

+2 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ CONFIG_CGROUP_CPUACCT=y 
CONFIG_RESOURCE_COUNTERS=y

CONFIG_CGROUP_SCHED=y

CONFIG_RT_GROUP_SCHED=y

CONFIG_SCHED_HMP=y

CONFIG_NAMESPACES=y

# CONFIG_UTS_NS is not set

# CONFIG_IPC_NS is not set
@@ -47,6 +48,7 @@ CONFIG_PM_WAKELOCKS_LIMIT=0 
CONFIG_PM_RUNTIME=y

CONFIG_SUSPEND_TIME=y

CONFIG_CPU_FREQ=y

CONFIG_SCHED_FREQ_INPUT=y

CONFIG_CPU_FREQ_GOV_POWERSAVE=y

CONFIG_CPU_FREQ_GOV_USERSPACE=y

CONFIG_CPU_FREQ_GOV_ONDEMAND=y

arch/arm64/kernel/topology.c

+9 −0
Original line number Diff line number Diff line
@@ -212,6 +212,13 @@ static unsigned long *__cpu_capacity; 


static unsigned long middle_capacity = 1;



static DEFINE_PER_CPU(unsigned long, cpu_efficiency) = SCHED_POWER_SCALE;



unsigned long arch_get_cpu_efficiency(int cpu)

{

	return per_cpu(cpu_efficiency, cpu);

}



/*

 * Iterate all CPUs' descriptor in DT and compute the efficiency

 * (as per table_efficiency). Also calculate a middle efficiency
@@ -295,6 +302,8 @@ static void __init parse_dt_cpu_power(void) 
			continue;

		}



		per_cpu(cpu_efficiency, cpu) = cpu_eff->efficiency;



		rate = of_get_property(cn, "clock-frequency", &len);

		if (!rate || len != 4) {

			pr_err("%s: Missing clock-frequency property\n",

drivers/cpufreq/Kconfig

+10 −0
Original line number Diff line number Diff line
@@ -20,6 +20,16 @@ if CPU_FREQ 
config CPU_FREQ_GOV_COMMON

	bool



config SCHED_FREQ_INPUT

	bool "Scheduler inputs to cpufreq governor"

	depends on SMP && FAIR_GROUP_SCHED

	help

	  This option enables support for scheduler based CPU utilization

	  calculations which may then be used by any cpufreq governor. The

	  scheduler keeps track of "recent" cpu demand of tasks, which can

	  help determine need for changing frequency well in advance of what

	  a governor would have been able to detect on its own.



config CPU_FREQ_STAT

	tristate "CPU frequency translation statistics"

	default y