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Commit 07a16a8c authored by Satya Durga Srinivasu Prabhala's avatar Satya Durga Srinivasu Prabhala
Browse files

sched: Add snapshot of core_ctl 



This snapshot is taken from msm-4.14 as of commit 3206cd0e
("sched: core_ctl: Add core_ctl_notifier_register()").

Change-Id: Icc082b55d620739e0e6be1c24e7506221cd5cfd9
Signed-off-by: default avatarSatya Durga Srinivasu Prabhala <satyap@codeaurora.org>
parent 5a28e007

include/linux/cpuhotplug.h

+1 −0
Original line number Diff line number Diff line
@@ -69,6 +69,7 @@ enum cpuhp_state { 
	CPUHP_SLAB_PREPARE,

	CPUHP_MD_RAID5_PREPARE,

	CPUHP_RCUTREE_PREP,

	CPUHP_CORE_CTL_ISOLATION_DEAD,

	CPUHP_CPUIDLE_COUPLED_PREPARE,

	CPUHP_POWERPC_PMAC_PREPARE,

	CPUHP_POWERPC_MMU_CTX_PREPARE,

include/trace/events/sched.h

+90 −0
Original line number Diff line number Diff line
@@ -951,6 +951,96 @@ TRACE_EVENT(sched_boost_cpu, 
		__entry->margin)

);



TRACE_EVENT(core_ctl_eval_need,



	TP_PROTO(unsigned int cpu, unsigned int old_need,

		unsigned int new_need, unsigned int updated),

	TP_ARGS(cpu, old_need, new_need, updated),

	TP_STRUCT__entry(

		__field(u32, cpu)

		__field(u32, old_need)

		__field(u32, new_need)

		__field(u32, updated)

	),

	TP_fast_assign(

		__entry->cpu = cpu;

		__entry->old_need = old_need;

		__entry->new_need = new_need;

		__entry->updated = updated;

	),

	TP_printk("cpu=%u, old_need=%u, new_need=%u, updated=%u", __entry->cpu,

			__entry->old_need, __entry->new_need, __entry->updated)

);



TRACE_EVENT(core_ctl_set_busy,



	TP_PROTO(unsigned int cpu, unsigned int busy,

		unsigned int old_is_busy, unsigned int is_busy),

	TP_ARGS(cpu, busy, old_is_busy, is_busy),

	TP_STRUCT__entry(

		__field(u32, cpu)

		__field(u32, busy)

		__field(u32, old_is_busy)

		__field(u32, is_busy)

		__field(bool, high_irqload)

	),

	TP_fast_assign(

		__entry->cpu = cpu;

		__entry->busy = busy;

		__entry->old_is_busy = old_is_busy;

		__entry->is_busy = is_busy;

		__entry->high_irqload = sched_cpu_high_irqload(cpu);

	),

	TP_printk("cpu=%u, busy=%u, old_is_busy=%u, new_is_busy=%u high_irqload=%d",

		__entry->cpu, __entry->busy, __entry->old_is_busy,

		__entry->is_busy, __entry->high_irqload)

);



TRACE_EVENT(core_ctl_set_boost,



	TP_PROTO(u32 refcount, s32 ret),

	TP_ARGS(refcount, ret),

	TP_STRUCT__entry(

		__field(u32, refcount)

		__field(s32, ret)

	),

	TP_fast_assign(

		__entry->refcount = refcount;

		__entry->ret = ret;

	),

	TP_printk("refcount=%u, ret=%d", __entry->refcount, __entry->ret)

);



TRACE_EVENT(core_ctl_update_nr_need,



	TP_PROTO(int cpu, int nr_need, int prev_misfit_need,

		int nrrun, int max_nr, int nr_prev_assist),



	TP_ARGS(cpu, nr_need, prev_misfit_need, nrrun, max_nr, nr_prev_assist),



	TP_STRUCT__entry(

		__field(int, cpu)

		__field(int, nr_need)

		__field(int, prev_misfit_need)

		__field(int, nrrun)

		__field(int, max_nr)

		__field(int, nr_prev_assist)

	),



	TP_fast_assign(

		__entry->cpu = cpu;

		__entry->nr_need = nr_need;

		__entry->prev_misfit_need = prev_misfit_need;

		__entry->nrrun = nrrun;

		__entry->max_nr = max_nr;

		__entry->nr_prev_assist = nr_prev_assist;

	),



	TP_printk("cpu=%d nr_need=%d prev_misfit_need=%d nrrun=%d max_nr=%d nr_prev_assist=%d",

		__entry->cpu, __entry->nr_need, __entry->prev_misfit_need,

		__entry->nrrun, __entry->max_nr, __entry->nr_prev_assist)

);



/*

 * Tracepoint for schedtune_tasks_update

 */

init/Kconfig

+10 −0
Original line number Diff line number Diff line
@@ -932,6 +932,16 @@ config SOCK_CGROUP_DATA 


endif # CGROUPS



config SCHED_CORE_CTL

	bool "QTI Core Control"

	depends on SMP

	help

	  This options enables the core control functionality in

	  the scheduler. Core control automatically offline and

	  online cores based on cpu load and utilization.



	  If unsure, say N here.



menuconfig NAMESPACES

	bool "Namespaces support" if EXPERT

	depends on MULTIUSER

kernel/sched/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -30,3 +30,4 @@ obj-$(CONFIG_CPU_FREQ) += cpufreq.o 
obj-$(CONFIG_CPU_FREQ_GOV_SCHEDUTIL) += cpufreq_schedutil.o

obj-$(CONFIG_MEMBARRIER) += membarrier.o

obj-$(CONFIG_CPU_ISOLATION) += isolation.o

obj-$(CONFIG_SCHED_CORE_CTL) += core_ctl.o

kernel/sched/core.c

+3 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 


#include "pelt.h"

#include "walt.h"

#include "core_ctl.h"



#define CREATE_TRACE_POINTS

#include <trace/events/sched.h>
@@ -3178,6 +3179,8 @@ void scheduler_tick(void) 


	if (curr->sched_class == &fair_sched_class)

		check_for_migration(rq, curr);



	core_ctl_check(wallclock);

}



#ifdef CONFIG_NO_HZ_FULL