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

include/trace/events/arm-ipi.h

@@ -0,0 +1,100 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM arm-ipi
+
+#if !defined(_TRACE_ARM_IPI_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_ARM_IPI_H
+
+#include <linux/tracepoint.h>
+
+#define show_arm_ipi_name(val)				\
+	__print_symbolic(val,				\
+			 { 0, "IPI_WAKEUP" },		\
+			 { 1, "IPI_TIMER" },		\
+			 { 2, "IPI_RESCHEDULE" },		\
+			 { 3, "IPI_CALL_FUNC" },		\
+			 { 4, "IPI_CALL_FUNC_SINGLE" },		\
+			 { 5, "IPI_CPU_STOP" },	\
+			 { 6, "IPI_COMPLETION" },		\
+			 { 7, "IPI_CPU_BACKTRACE" })
+
+DECLARE_EVENT_CLASS(arm_ipi,
+
+	TP_PROTO(unsigned int ipi_nr),
+
+	TP_ARGS(ipi_nr),
+
+	TP_STRUCT__entry(
+		__field(	unsigned int,	ipi	)
+	),
+
+	TP_fast_assign(
+		__entry->ipi = ipi_nr;
+	),
+
+	TP_printk("ipi=%u [action=%s]", __entry->ipi,
+		show_arm_ipi_name(__entry->ipi))
+);
+
+/**
+ * arm_ipi_entry - called in the arm-generic ipi handler immediately before
+ *                 entering ipi-type handler
+ * @ipi_nr:  ipi number
+ *
+ * When used in combination with the arm_ipi_exit tracepoint
+ * we can determine the ipi handler runtine.
+ */
+DEFINE_EVENT(arm_ipi, arm_ipi_entry,
+
+	TP_PROTO(unsigned int ipi_nr),
+
+	TP_ARGS(ipi_nr)
+);
+
+/**
+ * arm_ipi_exit - called in the arm-generic ipi handler immediately
+ *                after the ipi-type handler returns
+ * @ipi_nr:  ipi number
+ *
+ * When used in combination with the arm_ipi_entry tracepoint
+ * we can determine the ipi handler runtine.
+ */
+DEFINE_EVENT(arm_ipi, arm_ipi_exit,
+
+	TP_PROTO(unsigned int ipi_nr),
+
+	TP_ARGS(ipi_nr)
+);
+
+/**
+ * arm_ipi_send - called as the ipi target mask is built, immediately
+ *                before the register is written
+ * @ipi_nr:  ipi number
+ * @dest:    cpu to send to
+ *
+ * When used in combination with the arm_ipi_entry tracepoint
+ * we can determine the ipi raise to run latency.
+ */
+TRACE_EVENT(arm_ipi_send,
+
+	TP_PROTO(unsigned int ipi_nr, int dest),
+
+	TP_ARGS(ipi_nr, dest),
+
+	TP_STRUCT__entry(
+		__field(	unsigned int,	ipi	)
+		__field(	int			,	dest )
+	),
+
+	TP_fast_assign(
+		__entry->ipi = ipi_nr;
+		__entry->dest = dest;
+	),
+
+	TP_printk("dest=%d ipi=%u [action=%s]", __entry->dest,
+			__entry->ipi, show_arm_ipi_name(__entry->ipi))
+);
+
+#endif /*  _TRACE_ARM_IPI_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>

include/trace/events/sched.h

@@ -530,6 +530,29 @@ TRACE_EVENT(sched_rq_runnable_load,
 			__entry->load)
 );
 
+TRACE_EVENT(sched_rq_nr_running,
+
+	TP_PROTO(int cpu, unsigned int nr_running, int nr_iowait),
+
+	TP_ARGS(cpu, nr_running, nr_iowait),
+
+	TP_STRUCT__entry(
+		__field(int, cpu)
+		__field(unsigned int, nr_running)
+		__field(int, nr_iowait)
+	),
+
+	TP_fast_assign(
+		__entry->cpu  = cpu;
+		__entry->nr_running = nr_running;
+		__entry->nr_iowait = nr_iowait;
+	),
+
+	TP_printk("cpu=%d nr_running=%u nr_iowait=%d",
+			__entry->cpu,
+			__entry->nr_running, __entry->nr_iowait)
+);
+
 /*
  * Tracepoint for showing tracked task cpu usage ratio [0..1023].
  */
@@ -559,6 +582,10 @@ TRACE_EVENT(sched_task_usage_ratio,
 /*
  * Tracepoint for HMP (CONFIG_SCHED_HMP) task migrations.
  */
+#define HMP_MIGRATE_WAKEUP 0
+#define HMP_MIGRATE_FORCE  1
+#define HMP_MIGRATE_OFFLOAD 2
+#define HMP_MIGRATE_IDLE_PULL 3
 TRACE_EVENT(sched_hmp_migrate,
 
 	TP_PROTO(struct task_struct *tsk, int dest, int force),
@@ -583,6 +610,51 @@ TRACE_EVENT(sched_hmp_migrate,
 			__entry->comm, __entry->pid,
 			__entry->dest, __entry->force)
 );
+
+TRACE_EVENT(sched_hmp_offload_abort,
+
+	TP_PROTO(int cpu, int data, char *label),
+
+	TP_ARGS(cpu,data,label),
+
+	TP_STRUCT__entry(
+		__array(char, label, 64)
+		__field(int, cpu)
+		__field(int, data)
+	),
+
+	TP_fast_assign(
+		strncpy(__entry->label, label, 64);
+		__entry->cpu   = cpu;
+		__entry->data = data;
+	),
+
+	TP_printk("cpu=%d data=%d label=%63s",
+			__entry->cpu, __entry->data,
+			__entry->label)
+);
+
+TRACE_EVENT(sched_hmp_offload_succeed,
+
+	TP_PROTO(int cpu, int dest_cpu),
+
+	TP_ARGS(cpu,dest_cpu),
+
+	TP_STRUCT__entry(
+		__field(int, cpu)
+		__field(int, dest_cpu)
+	),
+
+	TP_fast_assign(
+		__entry->cpu   = cpu;
+		__entry->dest_cpu = dest_cpu;
+	),
+
+	TP_printk("cpu=%d dest=%d",
+			__entry->cpu,
+			__entry->dest_cpu)
+);
+
 #endif /* _TRACE_SCHED_H */
 
 /* This part must be outside protection */

include/trace/events/smp.h

@@ -0,0 +1,91 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM smp
+
+#if !defined(_TRACE_SMP_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_SMP_H
+
+#include <linux/tracepoint.h>
+typedef void (*__smp_call_func_t)(void *info);
+
+DECLARE_EVENT_CLASS(smp_call_class,
+
+	TP_PROTO(__smp_call_func_t fnc),
+
+	TP_ARGS(fnc),
+
+	TP_STRUCT__entry(
+		__field( void *, func )
+	),
+
+	TP_fast_assign(
+		__entry->func = fnc;
+	),
+
+	TP_printk("func=%pf", __entry->func)
+);
+
+/**
+ * smp_call_func_entry - called in the generic smp-cross-call-handler
+ * 						 immediately before calling the destination
+ * 						 function
+ * @func:  function pointer
+ *
+ * When used in combination with the smp_call_func_exit tracepoint
+ * we can determine the cross-call runtime.
+ */
+DEFINE_EVENT(smp_call_class, smp_call_func_entry,
+
+	TP_PROTO(__smp_call_func_t fnc),
+
+	TP_ARGS(fnc)
+);
+
+/**
+ * smp_call_func_exit - called in the generic smp-cross-call-handler
+ * 						immediately after the destination function
+ * 						returns
+ * @func:  function pointer
+ *
+ * When used in combination with the smp_call_entry tracepoint
+ * we can determine the cross-call runtime.
+ */
+DEFINE_EVENT(smp_call_class, smp_call_func_exit,
+
+	TP_PROTO(__smp_call_func_t fnc),
+
+	TP_ARGS(fnc)
+);
+
+/**
+ * smp_call_func_send - called as destination function is set
+ * 						in the per-cpu storage
+ * @func:  function pointer
+ * @dest:  cpu to send to
+ *
+ * When used in combination with the smp_cross_call_entry tracepoint
+ * we can determine the call-to-run latency.
+ */
+TRACE_EVENT(smp_call_func_send,
+
+	TP_PROTO(__smp_call_func_t func, int dest),
+
+	TP_ARGS(func, dest),
+
+	TP_STRUCT__entry(
+		__field(	void * 	,	func )
+		__field(	int		,	dest )
+	),
+
+	TP_fast_assign(
+		__entry->func = func;
+		__entry->dest = dest;
+	),
+
+	TP_printk("dest=%d func=%pf", __entry->dest,
+			__entry->func)
+);
+
+#endif /*  _TRACE_SMP_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>