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Commit ac6517a7 authored by Amith Yamasani's avatar Amith Yamasani
Browse files

Add reason to device idle history dump 

Logging to detect why device came out of doze-light

Bug: 78454609
Test: dumpsys deviceidle
Change-Id: Iaca6f26b412e681747262117bf1b11c4dabe5a05
parent 5e12ebff

services/core/java/com/android/server/DeviceIdleController.java

+17 −8
Original line number Diff line number Diff line
@@ -327,13 +327,16 @@ public class DeviceIdleController extends SystemService 


    private final int[] mEventCmds = new int[EVENT_BUFFER_SIZE];

    private final long[] mEventTimes = new long[EVENT_BUFFER_SIZE];

    private final String[] mEventReasons = new String[EVENT_BUFFER_SIZE];



    private void addEvent(int cmd) {

    private void addEvent(int cmd, String reason) {

        if (mEventCmds[0] != cmd) {

            System.arraycopy(mEventCmds, 0, mEventCmds, 1, EVENT_BUFFER_SIZE - 1);

            System.arraycopy(mEventTimes, 0, mEventTimes, 1, EVENT_BUFFER_SIZE - 1);

            System.arraycopy(mEventReasons, 0, mEventReasons, 1, EVENT_BUFFER_SIZE - 1);

            mEventCmds[0] = cmd;

            mEventTimes[0] = SystemClock.elapsedRealtime();

            mEventReasons[0] = reason;

        }

    }
@@ -2061,7 +2064,7 @@ public class DeviceIdleController extends SystemService 
            mMaintenanceStartTime = 0;

            resetIdleManagementLocked();

            resetLightIdleManagementLocked();

            addEvent(EVENT_NORMAL);

            addEvent(EVENT_NORMAL, activeReason);

        }

    }
@@ -2158,7 +2161,7 @@ public class DeviceIdleController extends SystemService 
                if (DEBUG) Slog.d(TAG, "Moved to LIGHT_STATE_IDLE.");

                mLightState = LIGHT_STATE_IDLE;

                EventLogTags.writeDeviceIdleLight(mLightState, reason);

                addEvent(EVENT_LIGHT_IDLE);

                addEvent(EVENT_LIGHT_IDLE, null);

                mGoingIdleWakeLock.acquire();

                mHandler.sendEmptyMessage(MSG_REPORT_IDLE_ON_LIGHT);

                break;
@@ -2179,7 +2182,7 @@ public class DeviceIdleController extends SystemService 
                            "Moved from LIGHT_STATE_IDLE to LIGHT_STATE_IDLE_MAINTENANCE.");

                    mLightState = LIGHT_STATE_IDLE_MAINTENANCE;

                    EventLogTags.writeDeviceIdleLight(mLightState, reason);

                    addEvent(EVENT_LIGHT_MAINTENANCE);

                    addEvent(EVENT_LIGHT_MAINTENANCE, null);

                    mHandler.sendEmptyMessage(MSG_REPORT_IDLE_OFF);

                } else {

                    // We'd like to do maintenance, but currently don't have network
@@ -2284,7 +2287,7 @@ public class DeviceIdleController extends SystemService 
                    cancelLightAlarmLocked();

                }

                EventLogTags.writeDeviceIdle(mState, reason);

                addEvent(EVENT_DEEP_IDLE);

                addEvent(EVENT_DEEP_IDLE, null);

                mGoingIdleWakeLock.acquire();

                mHandler.sendEmptyMessage(MSG_REPORT_IDLE_ON);

                break;
@@ -2303,7 +2306,7 @@ public class DeviceIdleController extends SystemService 
                }

                mState = STATE_IDLE_MAINTENANCE;

                EventLogTags.writeDeviceIdle(mState, reason);

                addEvent(EVENT_DEEP_MAINTENANCE);

                addEvent(EVENT_DEEP_MAINTENANCE, null);

                mHandler.sendEmptyMessage(MSG_REPORT_IDLE_OFF);

                break;

        }
@@ -2414,7 +2417,7 @@ public class DeviceIdleController extends SystemService 
            mCurIdleBudget = 0;

            mMaintenanceStartTime = 0;

            EventLogTags.writeDeviceIdle(mState, type);

            addEvent(EVENT_NORMAL);

            addEvent(EVENT_NORMAL, type);

            becomeInactive = true;

        }

        if (mLightState == LIGHT_STATE_OVERRIDE) {
@@ -3273,8 +3276,14 @@ public class DeviceIdleController extends SystemService 
                    pw.print("    ");

                    pw.print(label);

                    pw.print(": ");

                    TimeUtils.formatDuration(mEventTimes[i], now, pw);;

                    TimeUtils.formatDuration(mEventTimes[i], now, pw);

                    if (mEventReasons[i] != null) {

                        pw.print(" (");

                        pw.print(mEventReasons[i]);

                        pw.print(")");

                    }

                    pw.println();



                }

            }