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Commit 4385c20f authored by Prasanth Kamuju's avatar Prasanth Kamuju
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Enable launch boost for new app launches 

Extend the launch boost feature for new applications
launched from recent apps which are killed in the BG
or
where the activity record exists in the history stack
but respective process killed in the BG.

Change-Id: I3499f552bcb941ebb066aa20dee96989e8cba309
parent e4d591e9

services/core/java/com/android/server/am/ActivityStackSupervisor.java

+26 −21
Original line number Diff line number Diff line
@@ -2551,6 +2551,14 @@ public final class ActivityStackSupervisor implements DisplayListener { 
    }



    void findTaskToMoveToFrontLocked(TaskRecord task, int flags, Bundle options, String reason) {



        ActivityRecord top_activity;

        top_activity = task.stack.topRunningActivityLocked(null);

        /* App is launching from recent apps and it's a new process */

        if(top_activity != null && top_activity.state == ActivityState.DESTROYED) {

            acquireAppLaunchPerfLock();

        }



        if ((flags & ActivityManager.MOVE_TASK_NO_USER_ACTION) == 0) {

            mUserLeaving = true;

        }
@@ -2727,6 +2735,20 @@ public final class ActivityStackSupervisor implements DisplayListener { 
        resumeTopActivitiesLocked();

    }



    void acquireAppLaunchPerfLock() {

       /* Acquire perf lock during new app launch */

       if (mIsPerfBoostEnabled == true && mPerf == null) {

           mPerf = new Performance();

       }

       if (mPerf != null) {

           if (DEBUG) Slog.d(TAG, "Acquiring perf lock Enter : ");

           mPerf.perfLockAcquire(lBoostTimeOut, lBoostPcDisblBoost, lBoostSchedBoost,

                                  lBoostCpuBoost, lBoostCpuNumBoost, lBoostKsmBoost,

                                  lBoostSmTaskBoost, lBoostIdleLoadBoost,

                                  lBoostIdleNrRunBoost, lBoostPreferIdle);

       }

    }



    ActivityRecord findTaskLocked(ActivityRecord r) {

        if (DEBUG_TASKS) Slog.d(TAG, "Looking for task of " + r);

        for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) {
@@ -2744,33 +2766,16 @@ public final class ActivityStackSupervisor implements DisplayListener { 
                }

                final ActivityRecord ar = stack.findTaskLocked(r);

                if (ar != null) {

                    /* Acquire perf lock during app launch for existing activity record. */

                    /* Acquire lock only in case app is killed/died. */

                    if(ar.state == ActivityState.DESTROYED ){

                       if (mIsPerfBoostEnabled == true && mPerf == null) {

                           mPerf = new Performance();

                       }

                       if (mPerf != null) {

                           mPerf.perfLockAcquire(lBoostTimeOut, lBoostPcDisblBoost, lBoostSchedBoost,

                                                 lBoostCpuBoost, lBoostCpuNumBoost, lBoostKsmBoost,

                                                 lBoostSmTaskBoost, lBoostIdleLoadBoost,

                                                 lBoostIdleNrRunBoost, lBoostPreferIdle);

                       }

                        /*It's a new app launch */

                        acquireAppLaunchPerfLock();

                    }

                    return ar;

                }

            }

        }

        /* Acquire perf lock during new app launch */

        if (mIsPerfBoostEnabled == true && mPerf == null) {

            mPerf = new Performance();

        }

        if (mPerf != null) {

            mPerf.perfLockAcquire(lBoostTimeOut, lBoostPcDisblBoost, lBoostSchedBoost,

                                  lBoostCpuBoost, lBoostCpuNumBoost, lBoostKsmBoost,

                                  lBoostSmTaskBoost, lBoostIdleLoadBoost,

                                  lBoostIdleNrRunBoost, lBoostPreferIdle);

        }

        acquireAppLaunchPerfLock();



        if (DEBUG_TASKS) Slog.d(TAG, "No task found");

        return null;