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Commit 16f1ddde authored by Joonwoo Park's avatar Joonwoo Park
Browse files

sched: EAS: add trace point sched_group_energy 



Add a new trace point to debug sched_group_energy().

Change-Id: I2a43285ca9b4412675afc51e39d51cbe847a2f0b
Signed-off-by: default avatarJoonwoo Park <joonwoop@codeaurora.org>
parent d0ba188e

include/trace/events/sched.h

+37 −0
Original line number Diff line number Diff line
@@ -1642,6 +1642,43 @@ TRACE_EVENT(sched_energy_diff, 
		__entry->capb, __entry->capa, __entry->capd,

		__entry->nrgn, __entry->nrgp)

);



TRACE_EVENT(sched_group_energy,



	TP_PROTO(int cpu, long group_util, u64 total_nrg,

		 int busy_nrg, int idle_nrg, int grp_idle_idx,

		 int new_capacity),



	TP_ARGS(cpu, group_util, total_nrg,

		busy_nrg, idle_nrg, grp_idle_idx,

		new_capacity),



	TP_STRUCT__entry(

		__field(int, cpu)

		__field(long, group_util)

		__field(u64, total_nrg)

		__field(int, busy_nrg)

		__field(int, idle_nrg)

		__field(int, grp_idle_idx)

		__field(int, new_capacity)

	),



	TP_fast_assign(

		__entry->cpu = cpu;

		__entry->group_util = group_util;

		__entry->total_nrg = total_nrg;

		__entry->busy_nrg = busy_nrg;

		__entry->idle_nrg = idle_nrg;

		__entry->grp_idle_idx = grp_idle_idx;

		__entry->new_capacity = new_capacity;

	),



	TP_printk("cpu=%d group_util=%ld total_nrg=%llu busy_nrg=%d idle_nrg=%d grp_idle_idx=%d new_capacity=%d",

		  __entry->cpu, __entry->group_util,

		  __entry->total_nrg, __entry->busy_nrg, __entry->idle_nrg,

		  __entry->grp_idle_idx, __entry->new_capacity)

);



/*

 * Tracepoint for schedtune_tasks_update

 */

kernel/sched/fair.c

+6 −0
Original line number Diff line number Diff line
@@ -5619,6 +5619,12 @@ static int sched_group_energy(struct energy_env *eenv) 


				total_energy += sg_busy_energy + sg_idle_energy;



				trace_sched_group_energy(group_first_cpu(sg),

					group_util, total_energy,

					sg_busy_energy, sg_idle_energy,

					idle_idx,

					sg->sge->cap_states[eenv->cap_idx].cap);



				if (!sd->child)

					cpumask_xor(&visit_cpus, &visit_cpus, sched_group_cpus(sg));