Merge remote-tracking branch 'lsk/v3.10/topic/big.LITTLE' into linux-linaro-lsk

3 files changed, 167 insertions, 1 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 178a8d909f1..0e2a546cdad 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -885,6 +885,13 @@ void free_sched_domains(cpumask_var_t doms[], unsigned int ndoms);
 
 bool cpus_share_cache(int this_cpu, int that_cpu);
 
+#ifdef CONFIG_SCHED_HMP
+struct hmp_domain {
+	struct cpumask cpus;
+	struct cpumask possible_cpus;
+	struct list_head hmp_domains;
+};
+#endif /* CONFIG_SCHED_HMP */
 #else /* CONFIG_SMP */
 
 struct sched_domain_attr;
@@ -931,6 +938,12 @@ struct sched_avg {
 	u64 last_runnable_update;
 	s64 decay_count;
 	unsigned long load_avg_contrib;
+	unsigned long load_avg_ratio;
+#ifdef CONFIG_SCHED_HMP
+	u64 hmp_last_up_migration;
+	u64 hmp_last_down_migration;
+#endif
+	u32 usage_avg_sum;
 };
 
 #ifdef CONFIG_SCHEDSTATS
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index c586679b6fe..a30ab7910ff 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -198,7 +198,7 @@ extern void __inc_zone_state(struct zone *, enum zone_stat_item);
 extern void dec_zone_state(struct zone *, enum zone_stat_item);
 extern void __dec_zone_state(struct zone *, enum zone_stat_item);
 
-void refresh_cpu_vm_stats(int);
+bool refresh_cpu_vm_stats(int);
 void refresh_zone_stat_thresholds(void);
 
 void drain_zonestat(struct zone *zone, struct per_cpu_pageset *);
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index e5586caff67..203e8e9933b 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -430,6 +430,159 @@ TRACE_EVENT(sched_pi_setprio,
 			__entry->oldprio, __entry->newprio)
 );
 
+/*
+ * Tracepoint for showing tracked load contribution.
+ */
+TRACE_EVENT(sched_task_load_contrib,
+
+	TP_PROTO(struct task_struct *tsk, unsigned long load_contrib),
+
+	TP_ARGS(tsk, load_contrib),
+
+	TP_STRUCT__entry(
+		__array(char, comm, TASK_COMM_LEN)
+		__field(pid_t, pid)
+		__field(unsigned long, load_contrib)
+	),
+
+	TP_fast_assign(
+		memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
+		__entry->pid            = tsk->pid;
+		__entry->load_contrib   = load_contrib;
+	),
+
+	TP_printk("comm=%s pid=%d load_contrib=%lu",
+			__entry->comm, __entry->pid,
+			__entry->load_contrib)
+);
+
+/*
+ * Tracepoint for showing tracked task runnable ratio [0..1023].
+ */
+TRACE_EVENT(sched_task_runnable_ratio,
+
+	TP_PROTO(struct task_struct *tsk, unsigned long ratio),
+
+	TP_ARGS(tsk, ratio),
+
+	TP_STRUCT__entry(
+		__array(char, comm, TASK_COMM_LEN)
+		__field(pid_t, pid)
+		__field(unsigned long, ratio)
+	),
+
+	TP_fast_assign(
+	memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
+		__entry->pid   = tsk->pid;
+		__entry->ratio = ratio;
+	),
+
+	TP_printk("comm=%s pid=%d ratio=%lu",
+			__entry->comm, __entry->pid,
+			__entry->ratio)
+);
+
+/*
+ * Tracepoint for showing tracked rq runnable ratio [0..1023].
+ */
+TRACE_EVENT(sched_rq_runnable_ratio,
+
+	TP_PROTO(int cpu, unsigned long ratio),
+
+	TP_ARGS(cpu, ratio),
+
+	TP_STRUCT__entry(
+		__field(int, cpu)
+		__field(unsigned long, ratio)
+	),
+
+	TP_fast_assign(
+		__entry->cpu   = cpu;
+		__entry->ratio = ratio;
+	),
+
+	TP_printk("cpu=%d ratio=%lu",
+			__entry->cpu,
+			__entry->ratio)
+);
+
+/*
+ * Tracepoint for showing tracked rq runnable load.
+ */
+TRACE_EVENT(sched_rq_runnable_load,
+
+	TP_PROTO(int cpu, u64 load),
+
+	TP_ARGS(cpu, load),
+
+	TP_STRUCT__entry(
+		__field(int, cpu)
+		__field(u64, load)
+	),
+
+	TP_fast_assign(
+		__entry->cpu  = cpu;
+		__entry->load = load;
+	),
+
+	TP_printk("cpu=%d load=%llu",
+			__entry->cpu,
+			__entry->load)
+);
+
+/*
+ * Tracepoint for showing tracked task cpu usage ratio [0..1023].
+ */
+TRACE_EVENT(sched_task_usage_ratio,
+
+	TP_PROTO(struct task_struct *tsk, unsigned long ratio),
+
+	TP_ARGS(tsk, ratio),
+
+	TP_STRUCT__entry(
+		__array(char, comm, TASK_COMM_LEN)
+		__field(pid_t, pid)
+		__field(unsigned long, ratio)
+	),
+
+	TP_fast_assign(
+	memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
+		__entry->pid   = tsk->pid;
+		__entry->ratio = ratio;
+	),
+
+	TP_printk("comm=%s pid=%d ratio=%lu",
+			__entry->comm, __entry->pid,
+			__entry->ratio)
+);
+
+/*
+ * Tracepoint for HMP (CONFIG_SCHED_HMP) task migrations.
+ */
+TRACE_EVENT(sched_hmp_migrate,
+
+	TP_PROTO(struct task_struct *tsk, int dest, int force),
+
+	TP_ARGS(tsk, dest, force),
+
+	TP_STRUCT__entry(
+		__array(char, comm, TASK_COMM_LEN)
+		__field(pid_t, pid)
+		__field(int,  dest)
+		__field(int,  force)
+	),
+
+	TP_fast_assign(
+	memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
+		__entry->pid   = tsk->pid;
+		__entry->dest  = dest;
+		__entry->force = force;
+	),
+
+	TP_printk("comm=%s pid=%d dest=%d force=%d",
+			__entry->comm, __entry->pid,
+			__entry->dest, __entry->force)
+);
 #endif /* _TRACE_SCHED_H */
 
 /* This part must be outside protection */