Framework: Remove SamplingProfiler

Remove the very old and unsupported SamplingProfilerIntegration. This
CL removes the code parts.

(cherry picked from commit d52cad2cc9af5eb54b28b69fa5b8242258e590ae)

Bug: 37272346
Test: m
Test: Device boots
Change-Id: I64d77244b5816ef1f605d19530b96be38f5c1bc6

1 files changed, 0 insertions, 30 deletions

diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index e8920cdd9511..ec1a569b5dd9 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -55,7 +55,6 @@ import com.android.internal.app.NightDisplayController;
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.notification.SystemNotificationChannels;
 import com.android.internal.os.BinderInternal;
-import com.android.internal.os.SamplingProfilerIntegration;
 import com.android.internal.util.EmergencyAffordanceManager;
 import com.android.internal.util.ConcurrentUtils;
 import com.android.internal.widget.ILockSettings;
@@ -325,18 +324,6 @@ public final class SystemServer {
             // the property. http://b/11463182
             SystemProperties.set("persist.sys.dalvik.vm.lib.2", VMRuntime.getRuntime().vmLibrary());
 
-            // Enable the sampling profiler.
-            if (SamplingProfilerIntegration.isEnabled()) {
-                SamplingProfilerIntegration.start();
-                mProfilerSnapshotTimer = new Timer();
-                mProfilerSnapshotTimer.schedule(new TimerTask() {
-                        @Override
-                        public void run() {
-                            SamplingProfilerIntegration.writeSnapshot("system_server", null);
-                        }
-                    }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL);
-            }
-
             // Mmmmmm... more memory!
             VMRuntime.getRuntime().clearGrowthLimit();
 
@@ -705,8 +692,6 @@ public final class SystemServer {
                 false);
         boolean disableTextServices = SystemProperties.getBoolean("config.disable_textservices",
                 false);
-        boolean disableSamplingProfiler = SystemProperties.getBoolean("config.disable_samplingprof",
-                false);
         boolean disableConsumerIr = SystemProperties.getBoolean("config.disable_consumerir", false);
         boolean disableVrManager = SystemProperties.getBoolean("config.disable_vrmanager", false);
         boolean disableCameraService = SystemProperties.getBoolean("config.disable_cameraservice",
@@ -1336,21 +1321,6 @@ public final class SystemServer {
             }
             traceEnd();
 
-            if (!disableSamplingProfiler) {
-                traceBeginAndSlog("StartSamplingProfilerService");
-                try {
-                    // need to add this service even if SamplingProfilerIntegration.isEnabled()
-                    // is false, because it is this service that detects system property change and
-                    // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work,
-                    // there is little overhead for running this service.
-                    ServiceManager.addService("samplingprofiler",
-                                new SamplingProfilerService(context));
-                } catch (Throwable e) {
-                    reportWtf("starting SamplingProfiler Service", e);
-                }
-                traceEnd();
-            }
-
             if (!disableNetwork && !disableNetworkTime) {
                 traceBeginAndSlog("StartNetworkTimeUpdateService");
                 try {