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-rw-r--r--core/java/com/android/internal/os/BatteryStatsImpl.java25
-rw-r--r--core/tests/coretests/src/com/android/internal/os/BatteryStatsNoteTest.java112
2 files changed, 129 insertions, 8 deletions
diff --git a/core/java/com/android/internal/os/BatteryStatsImpl.java b/core/java/com/android/internal/os/BatteryStatsImpl.java
index 8901c0774783..f623a73d6f4e 100644
--- a/core/java/com/android/internal/os/BatteryStatsImpl.java
+++ b/core/java/com/android/internal/os/BatteryStatsImpl.java
@@ -5432,7 +5432,6 @@ public class BatteryStatsImpl extends BatteryStats {
@GuardedBy("this")
public void noteLongPartialWakelockStart(String name, String historyName, int uid,
long elapsedRealtimeMs, long uptimeMs) {
- uid = mapUid(uid);
noteLongPartialWakeLockStartInternal(name, historyName, uid, elapsedRealtimeMs, uptimeMs);
}
@@ -5467,15 +5466,21 @@ public class BatteryStatsImpl extends BatteryStats {
@GuardedBy("this")
private void noteLongPartialWakeLockStartInternal(String name, String historyName, int uid,
long elapsedRealtimeMs, long uptimeMs) {
+ final int mappedUid = mapUid(uid);
if (historyName == null) {
historyName = name;
}
- if (!mActiveEvents.updateState(HistoryItem.EVENT_LONG_WAKE_LOCK_START, historyName, uid,
- 0)) {
+ if (!mActiveEvents.updateState(HistoryItem.EVENT_LONG_WAKE_LOCK_START, historyName,
+ mappedUid, 0)) {
return;
}
addHistoryEventLocked(elapsedRealtimeMs, uptimeMs, HistoryItem.EVENT_LONG_WAKE_LOCK_START,
- historyName, uid);
+ historyName, mappedUid);
+ if (mappedUid != uid) {
+ // Prevent the isolated uid mapping from being removed while the wakelock is
+ // being held.
+ incrementIsolatedUidRefCount(uid);
+ }
}
@GuardedBy("this")
@@ -5487,7 +5492,6 @@ public class BatteryStatsImpl extends BatteryStats {
@GuardedBy("this")
public void noteLongPartialWakelockFinish(String name, String historyName, int uid,
long elapsedRealtimeMs, long uptimeMs) {
- uid = mapUid(uid);
noteLongPartialWakeLockFinishInternal(name, historyName, uid, elapsedRealtimeMs, uptimeMs);
}
@@ -5522,15 +5526,20 @@ public class BatteryStatsImpl extends BatteryStats {
@GuardedBy("this")
private void noteLongPartialWakeLockFinishInternal(String name, String historyName, int uid,
long elapsedRealtimeMs, long uptimeMs) {
+ final int mappedUid = mapUid(uid);
if (historyName == null) {
historyName = name;
}
- if (!mActiveEvents.updateState(HistoryItem.EVENT_LONG_WAKE_LOCK_FINISH, historyName, uid,
- 0)) {
+ if (!mActiveEvents.updateState(HistoryItem.EVENT_LONG_WAKE_LOCK_FINISH, historyName,
+ mappedUid, 0)) {
return;
}
addHistoryEventLocked(elapsedRealtimeMs, uptimeMs, HistoryItem.EVENT_LONG_WAKE_LOCK_FINISH,
- historyName, uid);
+ historyName, mappedUid);
+ if (mappedUid != uid) {
+ // Decrement the ref count for the isolated uid and delete the mapping if uneeded.
+ maybeRemoveIsolatedUidLocked(uid, elapsedRealtimeMs, uptimeMs);
+ }
}
@GuardedBy("this")
diff --git a/core/tests/coretests/src/com/android/internal/os/BatteryStatsNoteTest.java b/core/tests/coretests/src/com/android/internal/os/BatteryStatsNoteTest.java
index 7ccb9d963ee6..dbe1e8132e1d 100644
--- a/core/tests/coretests/src/com/android/internal/os/BatteryStatsNoteTest.java
+++ b/core/tests/coretests/src/com/android/internal/os/BatteryStatsNoteTest.java
@@ -26,6 +26,8 @@ import static android.os.BatteryStats.WAKE_TYPE_PARTIAL;
import static com.android.internal.os.BatteryStatsImpl.ExternalStatsSync.UPDATE_CPU;
import static com.android.internal.os.BatteryStatsImpl.ExternalStatsSync.UPDATE_DISPLAY;
+import static com.google.common.truth.Truth.assertThat;
+
import static org.mockito.Mockito.mock;
import android.app.ActivityManager;
@@ -228,6 +230,116 @@ public class BatteryStatsNoteTest extends TestCase {
assertEquals(120_000, bgTime);
}
+ /**
+ * Test BatteryStatsImpl.Uid.noteLongPartialWakelockStart for an isolated uid.
+ */
+ @SmallTest
+ public void testNoteLongPartialWakelockStart_isolatedUid() throws Exception {
+ final MockClock clocks = new MockClock(); // holds realtime and uptime in ms
+ MockBatteryStatsImpl bi = new MockBatteryStatsImpl(clocks);
+
+
+ bi.setRecordAllHistoryLocked(true);
+ bi.forceRecordAllHistory();
+
+ int pid = 10;
+ String name = "name";
+ String historyName = "historyName";
+
+ WorkSource.WorkChain isolatedWorkChain = new WorkSource.WorkChain();
+ isolatedWorkChain.addNode(ISOLATED_UID, name);
+
+ // Map ISOLATED_UID to UID.
+ bi.addIsolatedUidLocked(ISOLATED_UID, UID);
+
+ bi.updateTimeBasesLocked(true, Display.STATE_OFF, 0, 0);
+ bi.noteUidProcessStateLocked(UID, ActivityManager.PROCESS_STATE_TOP);
+ bi.noteLongPartialWakelockStart(name, historyName, ISOLATED_UID);
+
+ clocks.realtime = clocks.uptime = 100;
+ bi.noteUidProcessStateLocked(UID, ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND);
+
+ clocks.realtime = clocks.uptime = 220;
+ bi.noteLongPartialWakelockFinish(name, historyName, ISOLATED_UID);
+
+ final BatteryStatsHistoryIterator iterator =
+ bi.createBatteryStatsHistoryIterator();
+
+ BatteryStats.HistoryItem item = new BatteryStats.HistoryItem();
+
+ while (iterator.next(item)) {
+ if (item.eventCode == HistoryItem.EVENT_LONG_WAKE_LOCK_START) break;
+ }
+ assertThat(item.eventCode).isEqualTo(HistoryItem.EVENT_LONG_WAKE_LOCK_START);
+ assertThat(item.eventTag).isNotNull();
+ assertThat(item.eventTag.string).isEqualTo(historyName);
+ assertThat(item.eventTag.uid).isEqualTo(UID);
+
+ while (iterator.next(item)) {
+ if (item.eventCode == HistoryItem.EVENT_LONG_WAKE_LOCK_FINISH) break;
+ }
+ assertThat(item.eventCode).isEqualTo(HistoryItem.EVENT_LONG_WAKE_LOCK_FINISH);
+ assertThat(item.eventTag).isNotNull();
+ assertThat(item.eventTag.string).isEqualTo(historyName);
+ assertThat(item.eventTag.uid).isEqualTo(UID);
+ }
+
+ /**
+ * Test BatteryStatsImpl.Uid.noteLongPartialWakelockStart for an isolated uid.
+ */
+ @SmallTest
+ public void testNoteLongPartialWakelockStart_isolatedUidRace() throws Exception {
+ final MockClock clocks = new MockClock(); // holds realtime and uptime in ms
+ MockBatteryStatsImpl bi = new MockBatteryStatsImpl(clocks);
+
+
+ bi.setRecordAllHistoryLocked(true);
+ bi.forceRecordAllHistory();
+
+ int pid = 10;
+ String name = "name";
+ String historyName = "historyName";
+
+ WorkSource.WorkChain isolatedWorkChain = new WorkSource.WorkChain();
+ isolatedWorkChain.addNode(ISOLATED_UID, name);
+
+ // Map ISOLATED_UID to UID.
+ bi.addIsolatedUidLocked(ISOLATED_UID, UID);
+
+ bi.updateTimeBasesLocked(true, Display.STATE_OFF, 0, 0);
+ bi.noteUidProcessStateLocked(UID, ActivityManager.PROCESS_STATE_TOP);
+ bi.noteLongPartialWakelockStart(name, historyName, ISOLATED_UID);
+
+ clocks.realtime = clocks.uptime = 100;
+ bi.noteUidProcessStateLocked(UID, ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND);
+
+ clocks.realtime = clocks.uptime = 150;
+ bi.maybeRemoveIsolatedUidLocked(ISOLATED_UID, clocks.realtime, clocks.uptime);
+
+ clocks.realtime = clocks.uptime = 220;
+ bi.noteLongPartialWakelockFinish(name, historyName, ISOLATED_UID);
+
+ final BatteryStatsHistoryIterator iterator =
+ bi.createBatteryStatsHistoryIterator();
+
+ BatteryStats.HistoryItem item = new BatteryStats.HistoryItem();
+
+ while (iterator.next(item)) {
+ if (item.eventCode == HistoryItem.EVENT_LONG_WAKE_LOCK_START) break;
+ }
+ assertThat(item.eventCode).isEqualTo(HistoryItem.EVENT_LONG_WAKE_LOCK_START);
+ assertThat(item.eventTag).isNotNull();
+ assertThat(item.eventTag.string).isEqualTo(historyName);
+ assertThat(item.eventTag.uid).isEqualTo(UID);
+
+ while (iterator.next(item)) {
+ if (item.eventCode == HistoryItem.EVENT_LONG_WAKE_LOCK_FINISH) break;
+ }
+ assertThat(item.eventCode).isEqualTo(HistoryItem.EVENT_LONG_WAKE_LOCK_FINISH);
+ assertThat(item.eventTag).isNotNull();
+ assertThat(item.eventTag.string).isEqualTo(historyName);
+ assertThat(item.eventTag.uid).isEqualTo(UID);
+ }
/**
* Test BatteryStatsImpl.noteUidProcessStateLocked.
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-12-16 00:27:36 +0000