Add cluster&active cost to cpu power
Add logic to read per UID cluster and active CPU time from the kernel in
BatteryStatsImpl, store them in BatteryStats.Uid, then use these data to
calculate CPU power more accurately in CpuPowerCalculator.
Change-Id: I06a84d2bba8b97445466b310f15092614ff3477f
Bug: 67752294
Test: PowerProfileTest
Test: KernelUidCpuActiveTimeReaderTest
Test: KernelUidCpuClusterTimeReaderTest
Test: BatteryStatsCpuTimesTest
diff --git a/core/java/android/os/BatteryStats.java b/core/java/android/os/BatteryStats.java
index dc271d8..4c35a5c 100644
--- a/core/java/android/os/BatteryStats.java
+++ b/core/java/android/os/BatteryStats.java
@@ -683,6 +683,14 @@
public abstract long[] getCpuFreqTimes(int which);
public abstract long[] getScreenOffCpuFreqTimes(int which);
+ /**
+ * Returns cpu active time of an uid.
+ */
+ public abstract long getCpuActiveTime();
+ /**
+ * Returns cpu times of an uid on each cluster
+ */
+ public abstract long[] getCpuClusterTimes();
/**
* Returns cpu times of an uid at a particular process state.