fix ModemActivityInfo should be delta

Test: manual test
Change-Id: Icc45f05541bc90b64831572ed5f10733bc2207a4
Fix: 73388886

1 files changed, 34 insertions, 29 deletions

diff --git a/core/java/com/android/internal/os/BatteryStatsImpl.java b/core/java/com/android/internal/os/BatteryStatsImpl.java
index 99e5a1841493..58749641f13b 100644
--- a/core/java/com/android/internal/os/BatteryStatsImpl.java
+++ b/core/java/com/android/internal/os/BatteryStatsImpl.java
@@ -11220,6 +11220,25 @@ public class BatteryStatsImpl extends BatteryStats {
     private ModemActivityInfo mLastModemActivityInfo =
             new ModemActivityInfo(0, 0, 0, new int[0], 0, 0);
 
+    private ModemActivityInfo getDeltaModemActivityInfo(ModemActivityInfo activityInfo) {
+        if (activityInfo == null) {
+            return null;
+        }
+        int[] txTimeMs = new int[ModemActivityInfo.TX_POWER_LEVELS];
+        for (int i = 0; i < ModemActivityInfo.TX_POWER_LEVELS; i++) {
+            txTimeMs[i] = activityInfo.getTxTimeMillis()[i]
+                    - mLastModemActivityInfo.getTxTimeMillis()[i];
+        }
+        ModemActivityInfo deltaInfo = new ModemActivityInfo(activityInfo.getTimestamp(),
+                activityInfo.getSleepTimeMillis() - mLastModemActivityInfo.getSleepTimeMillis(),
+                activityInfo.getIdleTimeMillis() - mLastModemActivityInfo.getIdleTimeMillis(),
+                txTimeMs,
+                activityInfo.getRxTimeMillis() - mLastModemActivityInfo.getRxTimeMillis(),
+                activityInfo.getEnergyUsed() - mLastModemActivityInfo.getEnergyUsed());
+        mLastModemActivityInfo = activityInfo;
+        return deltaInfo;
+    }
+
     /**
      * Distribute Cell radio energy info and network traffic to apps.
      */
@@ -11227,9 +11246,10 @@ public class BatteryStatsImpl extends BatteryStats {
         if (DEBUG_ENERGY) {
             Slog.d(TAG, "Updating mobile radio stats with " + activityInfo);
         }
+        ModemActivityInfo deltaInfo = getDeltaModemActivityInfo(activityInfo);
 
         // Add modem tx power to history.
-        addModemTxPowerToHistory(activityInfo);
+        addModemTxPowerToHistory(deltaInfo);
 
         // Grab a separate lock to acquire the network stats, which may do I/O.
         NetworkStats delta = null;
@@ -11243,22 +11263,6 @@ public class BatteryStatsImpl extends BatteryStats {
             }
         }
 
-        int rxTimeMs = 0;
-        int[] txTimeMs = new int[ModemActivityInfo.TX_POWER_LEVELS];
-        int idleTimeMs = 0;
-        int sleepTimeMs = 0;
-        if (activityInfo != null) {
-            rxTimeMs = activityInfo.getRxTimeMillis() - mLastModemActivityInfo.getRxTimeMillis();
-            for (int i = 0; i < ModemActivityInfo.TX_POWER_LEVELS; i++) {
-                txTimeMs[i] = activityInfo.getTxTimeMillis()[i]
-                        - mLastModemActivityInfo.getTxTimeMillis()[i];
-            }
-            idleTimeMs =
-                    activityInfo.getIdleTimeMillis() - mLastModemActivityInfo.getIdleTimeMillis();
-            sleepTimeMs =
-                    activityInfo.getSleepTimeMillis() - mLastModemActivityInfo.getSleepTimeMillis();
-        }
-
         synchronized (this) {
             if (!mOnBatteryInternal) {
                 if (delta != null) {
@@ -11267,14 +11271,14 @@ public class BatteryStatsImpl extends BatteryStats {
                 return;
             }
 
-            if (activityInfo != null) {
+            if (deltaInfo != null) {
                 mHasModemReporting = true;
                 mModemActivity.getIdleTimeCounter().addCountLocked(
-                    idleTimeMs);
-                mModemActivity.getRxTimeCounter().addCountLocked(rxTimeMs);
+                        deltaInfo.getIdleTimeMillis());
+                mModemActivity.getRxTimeCounter().addCountLocked(deltaInfo.getRxTimeMillis());
                 for (int lvl = 0; lvl < ModemActivityInfo.TX_POWER_LEVELS; lvl++) {
                     mModemActivity.getTxTimeCounters()[lvl]
-                        .addCountLocked(txTimeMs[lvl]);
+                        .addCountLocked(deltaInfo.getTxTimeMillis()[lvl]);
                 }
 
                 // POWER_MODEM_CONTROLLER_OPERATING_VOLTAGE is measured in mV, so convert to V.
@@ -11282,16 +11286,17 @@ public class BatteryStatsImpl extends BatteryStats {
                     PowerProfile.POWER_MODEM_CONTROLLER_OPERATING_VOLTAGE) / 1000.0;
                 if (opVolt != 0) {
                     double energyUsed =
-                        sleepTimeMs *
+                            deltaInfo.getSleepTimeMillis() *
                             mPowerProfile.getAveragePower(PowerProfile.POWER_MODEM_CONTROLLER_SLEEP)
-                            + idleTimeMs *
+                            + deltaInfo.getIdleTimeMillis() *
                             mPowerProfile.getAveragePower(PowerProfile.POWER_MODEM_CONTROLLER_IDLE)
-                            + rxTimeMs *
+                            + deltaInfo.getRxTimeMillis() *
                             mPowerProfile.getAveragePower(PowerProfile.POWER_MODEM_CONTROLLER_RX);
+                    int[] txTimeMs = deltaInfo.getTxTimeMillis();
                     for (int i = 0; i < Math.min(txTimeMs.length,
-                        SignalStrength.NUM_SIGNAL_STRENGTH_BINS); i++) {
+                            SignalStrength.NUM_SIGNAL_STRENGTH_BINS); i++) {
                         energyUsed += txTimeMs[i] * mPowerProfile.getAveragePower(
-                            PowerProfile.POWER_MODEM_CONTROLLER_TX, i);
+                                PowerProfile.POWER_MODEM_CONTROLLER_TX, i);
                     }
 
                     // We store the power drain as mAms.
@@ -11367,11 +11372,11 @@ public class BatteryStatsImpl extends BatteryStats {
                         radioTime -= appRadioTime;
                         totalPackets -= appPackets;
 
-                        if (activityInfo != null) {
+                        if (deltaInfo != null) {
                             ControllerActivityCounterImpl activityCounter =
                                     u.getOrCreateModemControllerActivityLocked();
                             if (totalRxPackets > 0 && entry.rxPackets > 0) {
-                                final long rxMs = (entry.rxPackets * rxTimeMs)
+                                final long rxMs = (entry.rxPackets * deltaInfo.getRxTimeMillis())
                                         / totalRxPackets;
                                 activityCounter.getRxTimeCounter().addCountLocked(rxMs);
                             }
@@ -11379,7 +11384,7 @@ public class BatteryStatsImpl extends BatteryStats {
                             if (totalTxPackets > 0 && entry.txPackets > 0) {
                                 for (int lvl = 0; lvl < ModemActivityInfo.TX_POWER_LEVELS; lvl++) {
                                     long txMs =
-                                            entry.txPackets * txTimeMs[lvl];
+                                            entry.txPackets * deltaInfo.getTxTimeMillis()[lvl];
                                     txMs /= totalTxPackets;
                                     activityCounter.getTxTimeCounters()[lvl].addCountLocked(txMs);
                                 }