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Commit 3501ca41 authored by Ioannis Ilkos's avatar Ioannis Ilkos
Browse files

Add tracepoints for process starts 

Add a tracepoint when we dispatch the startProcess msg and one for
handling it.

Test: WmTests:ActivityStackSupervisorTests && FrameworksServicesTests:ActivityManagerServiceTest
Change-Id: I796b6875873b6300b843920e00b97b3c83ddb331
parent fe71582e

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

+12 −4
Original line number Diff line number Diff line
@@ -17906,11 +17906,19 @@ public class ActivityManagerService extends IActivityManager.Stub 
        @Override

        public void startProcess(String processName, ApplicationInfo info,

                boolean knownToBeDead, String hostingType, ComponentName hostingName) {

            try {

                if (Trace.isTagEnabled(Trace.TRACE_TAG_ACTIVITY_MANAGER)) {

                    Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "startProcess:"

                            + processName);

                }

                synchronized (ActivityManagerService.this) {

                    startProcessLocked(processName, info, knownToBeDead, 0 /* intentFlags */,

                            hostingType, hostingName, false /* allowWhileBooting */,

                            false /* isolated */, true /* keepIfLarge */);

                }

            } finally {

                Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);

            }

        }















        @Override

























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



+14
−6




























Original line number
Diff line number
Diff line








@@ -978,12 +978,20 @@ public class ActivityStackSupervisor implements RecentTasks.Callbacks {













            r.notifyUnknownVisibilityLaunched();















        }





























        try {













            if (Trace.isTagEnabled(TRACE_TAG_ACTIVITY_MANAGER)) {













                Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "dispatchingStartProcess:"













                        + r.processName);













            }















            // Post message to start process to avoid possible deadlock of calling into AMS with the















            // ATMS lock held.















            final Message msg = PooledLambda.obtainMessage(















                    ActivityManagerInternal::startProcess, mService.mAmInternal, r.processName,















                    r.info.applicationInfo, knownToBeDead, "activity", r.intent.getComponent());















            mService.mH.sendMessage(msg);













        } finally {













            Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER);













        }















    }































    boolean checkStartAnyActivityPermission(Intent intent, ActivityInfo aInfo, String resultWho,