import PULS_20160108

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / kernel / cpu / idle.c

diff --git a/kernel/cpu/idle.c b/kernel/cpu/idle.c
index c261409500e441e6880cf712707c4b11db88caef..32e69c73e0286856cbded264391423f1a698c5be 100644 (file)
--- a/kernel/cpu/idle.c
+++ b/kernel/cpu/idle.c
@@ -5,6 +5,9 @@
 #include <linux/cpu.h>
 #include <linux/tick.h>
 #include <linux/mm.h>
+#ifdef CONFIG_MT_LOAD_BALANCE_PROFILER
+#include <mtlbprof/mtlbprof.h>
+#endif
 #include <linux/stackprotector.h>
 
 #include <asm/tlb.h>
@@ -67,6 +70,10 @@ void __weak arch_cpu_idle(void)
  */
 static void cpu_idle_loop(void)
 {
+#ifdef CONFIG_MT_LOAD_BALANCE_PROFILER
+       mt_lbprof_update_state(smp_processor_id(), MT_LBPROF_NO_TASK_STATE);
+#endif
+
        while (1) {
                tick_nohz_idle_enter();
 
@@ -77,6 +84,10 @@ static void cpu_idle_loop(void)
                        if (cpu_is_offline(smp_processor_id()))
                                arch_cpu_idle_dead();
 
+#ifdef CONFIG_MT_LOAD_BALANCE_PROFILER
+                       mt_lbprof_update_state(smp_processor_id(), MT_LBPROF_IDLE_STATE);
+#endif
+
                        local_irq_disable();
                        arch_cpu_idle_enter();
 
@@ -99,6 +110,9 @@ static void cpu_idle_loop(void)
                                        WARN_ON_ONCE(irqs_disabled());
                                        rcu_idle_exit();
                                        start_critical_timings();
+#ifdef CONFIG_MT_LOAD_BALANCE_PROFILER                         
+                                       mt_lbprof_update_state(smp_processor_id(), MT_LBPROF_NO_TASK_STATE);
+#endif                         
                                } else {
                                        local_irq_enable();
                                }