Merge changes Ica1f17dc,I7d959c93,I3403affa,I791c5d23,I5448b77d

* changes:
  Migrate pullCpuClusterTime
  Migrate pullCpuActiveTime
  Migrate pullCpuTimePerUidFreq
  Migrate pullCpuTimePerUid
  Migrate pullCpuTimePerFreq
diff --git a/apex/statsd/service/java/com/android/server/stats/StatsCompanionService.java b/apex/statsd/service/java/com/android/server/stats/StatsCompanionService.java
index bbb87ab..41347cc 100644
--- a/apex/statsd/service/java/com/android/server/stats/StatsCompanionService.java
+++ b/apex/statsd/service/java/com/android/server/stats/StatsCompanionService.java
@@ -761,80 +761,6 @@
         }
     }
 
-    private void pullCpuTimePerFreq(
-            int tagId, long elapsedNanos, long wallClockNanos,
-            List<StatsLogEventWrapper> pulledData) {
-        for (int cluster = 0; cluster < mKernelCpuSpeedReaders.length; cluster++) {
-            long[] clusterTimeMs = mKernelCpuSpeedReaders[cluster].readAbsolute();
-            if (clusterTimeMs != null) {
-                for (int speed = clusterTimeMs.length - 1; speed >= 0; --speed) {
-                    StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos,
-                            wallClockNanos);
-                    e.writeInt(cluster);
-                    e.writeInt(speed);
-                    e.writeLong(clusterTimeMs[speed]);
-                    pulledData.add(e);
-                }
-            }
-        }
-    }
-
-    private void pullKernelUidCpuTime(
-            int tagId, long elapsedNanos, long wallClockNanos,
-            List<StatsLogEventWrapper> pulledData) {
-        mCpuUidUserSysTimeReader.readAbsolute((uid, timesUs) -> {
-            long userTimeUs = timesUs[0], systemTimeUs = timesUs[1];
-            StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
-            e.writeInt(uid);
-            e.writeLong(userTimeUs);
-            e.writeLong(systemTimeUs);
-            pulledData.add(e);
-        });
-    }
-
-    private void pullKernelUidCpuFreqTime(
-            int tagId, long elapsedNanos, long wallClockNanos,
-            List<StatsLogEventWrapper> pulledData) {
-        mCpuUidFreqTimeReader.readAbsolute((uid, cpuFreqTimeMs) -> {
-            for (int freqIndex = 0; freqIndex < cpuFreqTimeMs.length; ++freqIndex) {
-                if (cpuFreqTimeMs[freqIndex] != 0) {
-                    StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos,
-                            wallClockNanos);
-                    e.writeInt(uid);
-                    e.writeInt(freqIndex);
-                    e.writeLong(cpuFreqTimeMs[freqIndex]);
-                    pulledData.add(e);
-                }
-            }
-        });
-    }
-
-    private void pullKernelUidCpuClusterTime(
-            int tagId, long elapsedNanos, long wallClockNanos,
-            List<StatsLogEventWrapper> pulledData) {
-        mCpuUidClusterTimeReader.readAbsolute((uid, cpuClusterTimesMs) -> {
-            for (int i = 0; i < cpuClusterTimesMs.length; i++) {
-                StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos,
-                        wallClockNanos);
-                e.writeInt(uid);
-                e.writeInt(i);
-                e.writeLong(cpuClusterTimesMs[i]);
-                pulledData.add(e);
-            }
-        });
-    }
-
-    private void pullKernelUidCpuActiveTime(
-            int tagId, long elapsedNanos, long wallClockNanos,
-            List<StatsLogEventWrapper> pulledData) {
-        mCpuUidActiveTimeReader.readAbsolute((uid, cpuActiveTimesMs) -> {
-            StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
-            e.writeInt(uid);
-            e.writeLong((long) cpuActiveTimesMs);
-            pulledData.add(e);
-        });
-    }
-
     private void pullWifiActivityInfo(
             int tagId, long elapsedNanos, long wallClockNanos,
             List<StatsLogEventWrapper> pulledData) {
@@ -2113,31 +2039,6 @@
                 break;
             }
 
-            case StatsLog.CPU_TIME_PER_FREQ: {
-                pullCpuTimePerFreq(tagId, elapsedNanos, wallClockNanos, ret);
-                break;
-            }
-
-            case StatsLog.CPU_TIME_PER_UID: {
-                pullKernelUidCpuTime(tagId, elapsedNanos, wallClockNanos, ret);
-                break;
-            }
-
-            case StatsLog.CPU_TIME_PER_UID_FREQ: {
-                pullKernelUidCpuFreqTime(tagId, elapsedNanos, wallClockNanos, ret);
-                break;
-            }
-
-            case StatsLog.CPU_CLUSTER_TIME: {
-                pullKernelUidCpuClusterTime(tagId, elapsedNanos, wallClockNanos, ret);
-                break;
-            }
-
-            case StatsLog.CPU_ACTIVE_TIME: {
-                pullKernelUidCpuActiveTime(tagId, elapsedNanos, wallClockNanos, ret);
-                break;
-            }
-
             case StatsLog.WIFI_ACTIVITY_INFO: {
                 pullWifiActivityInfo(tagId, elapsedNanos, wallClockNanos, ret);
                 break;
diff --git a/cmds/statsd/src/external/StatsPullerManager.cpp b/cmds/statsd/src/external/StatsPullerManager.cpp
index 731afe8..e37a549 100644
--- a/cmds/statsd/src/external/StatsPullerManager.cpp
+++ b/cmds/statsd/src/external/StatsPullerManager.cpp
@@ -72,37 +72,6 @@
         {{.atomTag = android::util::ON_DEVICE_POWER_MEASUREMENT},
          {.puller = new PowerStatsPuller()}},
 
-        // cpu_time_per_freq
-        {{.atomTag = android::util::CPU_TIME_PER_FREQ},
-         {.additiveFields = {3},
-          .puller = new StatsCompanionServicePuller(android::util::CPU_TIME_PER_FREQ)}},
-
-        // cpu_time_per_uid
-        {{.atomTag = android::util::CPU_TIME_PER_UID},
-         {.additiveFields = {2, 3},
-          .puller = new StatsCompanionServicePuller(android::util::CPU_TIME_PER_UID)}},
-
-        // cpu_time_per_uid_freq
-        // the throttling is 3sec, handled in
-        // frameworks/base/core/java/com/android/internal/os/KernelCpuProcReader
-        {{.atomTag = android::util::CPU_TIME_PER_UID_FREQ},
-         {.additiveFields = {4},
-          .puller = new StatsCompanionServicePuller(android::util::CPU_TIME_PER_UID_FREQ)}},
-
-        // cpu_active_time
-        // the throttling is 3sec, handled in
-        // frameworks/base/core/java/com/android/internal/os/KernelCpuProcReader
-        {{.atomTag = android::util::CPU_ACTIVE_TIME},
-         {.additiveFields = {2},
-          .puller = new StatsCompanionServicePuller(android::util::CPU_ACTIVE_TIME)}},
-
-        // cpu_cluster_time
-        // the throttling is 3sec, handled in
-        // frameworks/base/core/java/com/android/internal/os/KernelCpuProcReader
-        {{.atomTag = android::util::CPU_CLUSTER_TIME},
-         {.additiveFields = {3},
-          .puller = new StatsCompanionServicePuller(android::util::CPU_CLUSTER_TIME)}},
-
         // wifi_activity_energy_info
         {{.atomTag = android::util::WIFI_ACTIVITY_INFO},
          {.puller = new StatsCompanionServicePuller(android::util::WIFI_ACTIVITY_INFO)}},
diff --git a/services/core/java/com/android/server/stats/StatsPullAtomService.java b/services/core/java/com/android/server/stats/StatsPullAtomService.java
index 5ee7eff..45dee98 100644
--- a/services/core/java/com/android/server/stats/StatsPullAtomService.java
+++ b/services/core/java/com/android/server/stats/StatsPullAtomService.java
@@ -210,6 +210,18 @@
     @Override
     public void onStart() {
         mStatsManager = (StatsManager) mContext.getSystemService(Context.STATS_MANAGER);
+
+        // Used to initialize the CPU Frequency atom.
+        PowerProfile powerProfile = new PowerProfile(mContext);
+        final int numClusters = powerProfile.getNumCpuClusters();
+        mKernelCpuSpeedReaders = new KernelCpuSpeedReader[numClusters];
+        int firstCpuOfCluster = 0;
+        for (int i = 0; i < numClusters; i++) {
+            final int numSpeedSteps = powerProfile.getNumSpeedStepsInCpuCluster(i);
+            mKernelCpuSpeedReaders[i] = new KernelCpuSpeedReader(firstCpuOfCluster,
+                    numSpeedSteps);
+            firstCpuOfCluster += powerProfile.getNumCoresInCpuCluster(i);
+        }
     }
 
     @Override
@@ -618,44 +630,162 @@
         // No op.
     }
 
+    private KernelCpuSpeedReader[] mKernelCpuSpeedReaders;
+    // Disables throttler on CPU time readers.
+    private KernelCpuUidUserSysTimeReader mCpuUidUserSysTimeReader =
+            new KernelCpuUidUserSysTimeReader(false);
+    private KernelCpuUidFreqTimeReader mCpuUidFreqTimeReader =
+            new KernelCpuUidFreqTimeReader(false);
+    private KernelCpuUidActiveTimeReader mCpuUidActiveTimeReader =
+            new KernelCpuUidActiveTimeReader(false);
+    private KernelCpuUidClusterTimeReader mCpuUidClusterTimeReader =
+            new KernelCpuUidClusterTimeReader(false);
+
     private void registerCpuTimePerFreq() {
-        // No op.
+        int tagId = StatsLog.CPU_TIME_PER_FREQ;
+        PullAtomMetadata metadata = PullAtomMetadata.newBuilder()
+                .setAdditiveFields(new int[] {3})
+                .build();
+        mStatsManager.registerPullAtomCallback(
+                tagId,
+                metadata,
+                (atomTag, data) -> pullCpuTimePerFreq(atomTag, data),
+                Executors.newSingleThreadExecutor()
+        );
     }
 
-    private void pullCpuTimePerFreq() {
-        // No op.
+    private int pullCpuTimePerFreq(int atomTag, List<StatsEvent> pulledData) {
+        for (int cluster = 0; cluster < mKernelCpuSpeedReaders.length; cluster++) {
+            long[] clusterTimeMs = mKernelCpuSpeedReaders[cluster].readAbsolute();
+            if (clusterTimeMs != null) {
+                for (int speed = clusterTimeMs.length - 1; speed >= 0; --speed) {
+                    StatsEvent e = StatsEvent.newBuilder()
+                            .setAtomId(atomTag)
+                            .writeInt(cluster)
+                            .writeInt(speed)
+                            .writeLong(clusterTimeMs[speed])
+                            .build();
+                    pulledData.add(e);
+                }
+            }
+        }
+        return StatsManager.PULL_SUCCESS;
     }
 
     private void registerCpuTimePerUid() {
-        // No op.
+        int tagId = StatsLog.CPU_TIME_PER_UID;
+        PullAtomMetadata metadata = PullAtomMetadata.newBuilder()
+                .setAdditiveFields(new int[] {2, 3})
+                .build();
+        mStatsManager.registerPullAtomCallback(
+                tagId,
+                metadata,
+                (atomTag, data) -> pullCpuTimePerUid(atomTag, data),
+                Executors.newSingleThreadExecutor()
+        );
     }
 
-    private void pullCpuTimePerUid() {
-        // No op.
+    private int pullCpuTimePerUid(int atomTag, List<StatsEvent> pulledData) {
+        mCpuUidUserSysTimeReader.readAbsolute((uid, timesUs) -> {
+            long userTimeUs = timesUs[0], systemTimeUs = timesUs[1];
+            StatsEvent e = StatsEvent.newBuilder()
+                    .setAtomId(atomTag)
+                    .writeInt(uid)
+                    .writeLong(userTimeUs)
+                    .writeLong(systemTimeUs)
+                    .build();
+            pulledData.add(e);
+        });
+        return StatsManager.PULL_SUCCESS;
     }
 
     private void registerCpuTimePerUidFreq() {
-        // No op.
+        // the throttling is 3sec, handled in
+        // frameworks/base/core/java/com/android/internal/os/KernelCpuProcReader
+        int tagId = StatsLog.CPU_TIME_PER_UID_FREQ;
+        PullAtomMetadata metadata = PullAtomMetadata.newBuilder()
+                .setAdditiveFields(new int[] {4})
+                .build();
+        mStatsManager.registerPullAtomCallback(
+                tagId,
+                metadata,
+                (atomTag, data) -> pullCpuTimeperUidFreq(atomTag, data),
+                Executors.newSingleThreadExecutor()
+        );
     }
 
-    private void pullCpuTimeperUidFreq() {
-        // No op.
+    private int pullCpuTimeperUidFreq(int atomTag, List<StatsEvent> pulledData) {
+        mCpuUidFreqTimeReader.readAbsolute((uid, cpuFreqTimeMs) -> {
+            for (int freqIndex = 0; freqIndex < cpuFreqTimeMs.length; ++freqIndex) {
+                if (cpuFreqTimeMs[freqIndex] != 0) {
+                    StatsEvent e = StatsEvent.newBuilder()
+                            .setAtomId(atomTag)
+                            .writeInt(uid)
+                            .writeInt(freqIndex)
+                            .writeLong(cpuFreqTimeMs[freqIndex])
+                            .build();
+                    pulledData.add(e);
+                }
+            }
+        });
+        return StatsManager.PULL_SUCCESS;
     }
 
     private void registerCpuActiveTime() {
-        // No op.
+        // the throttling is 3sec, handled in
+        // frameworks/base/core/java/com/android/internal/os/KernelCpuProcReader
+        int tagId = StatsLog.CPU_ACTIVE_TIME;
+        PullAtomMetadata metadata = PullAtomMetadata.newBuilder()
+                .setAdditiveFields(new int[] {2})
+                .build();
+        mStatsManager.registerPullAtomCallback(
+                tagId,
+                metadata,
+                (atomTag, data) -> pullCpuActiveTime(atomTag, data),
+                Executors.newSingleThreadExecutor()
+        );
     }
 
-    private void pullCpuActiveTime() {
-        // No op.
+    private int pullCpuActiveTime(int atomTag, List<StatsEvent> pulledData) {
+        mCpuUidActiveTimeReader.readAbsolute((uid, cpuActiveTimesMs) -> {
+            StatsEvent e = StatsEvent.newBuilder()
+                    .setAtomId(atomTag)
+                    .writeInt(uid)
+                    .writeLong(cpuActiveTimesMs)
+                    .build();
+            pulledData.add(e);
+        });
+        return StatsManager.PULL_SUCCESS;
     }
 
     private void registerCpuClusterTime() {
-        // No op.
+        // the throttling is 3sec, handled in
+        // frameworks/base/core/java/com/android/internal/os/KernelCpuProcReader
+        int tagId = StatsLog.CPU_CLUSTER_TIME;
+        PullAtomMetadata metadata = PullAtomMetadata.newBuilder()
+                .setAdditiveFields(new int[] {3})
+                .build();
+        mStatsManager.registerPullAtomCallback(
+                tagId,
+                metadata,
+                (atomTag, data) -> pullCpuClusterTime(atomTag, data),
+                Executors.newSingleThreadExecutor()
+        );
     }
 
-    private int pullCpuClusterTime() {
-        return 0;
+    private int pullCpuClusterTime(int atomTag, List<StatsEvent> pulledData) {
+        mCpuUidClusterTimeReader.readAbsolute((uid, cpuClusterTimesMs) -> {
+            for (int i = 0; i < cpuClusterTimesMs.length; i++) {
+                StatsEvent e = StatsEvent.newBuilder()
+                        .setAtomId(atomTag)
+                        .writeInt(uid)
+                        .writeInt(i)
+                        .writeLong(cpuClusterTimesMs[i])
+                        .build();
+                pulledData.add(e);
+            }
+        });
+        return StatsManager.PULL_SUCCESS;
     }
 
     private void registerWifiActivityInfo() {