Android/frameworks_base
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Add count of WebView instances to meminfo

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Switch to using more efficient countInstancesOfClasses method for
counting WebView and other kinds of instances.

Test: Launch Gmail, view a message, verify some WebView objects are
      reported in dumpsys meminfo.
Bug: 31016396

Change-Id: Ib0146ee2931877399da07f854d50c2ab52092b6b
This commit is contained in:
Richard Uhler
2016-09-14 09:48:31 +01:00
parent 4efd735a76
commit 2c0361986b
1 changed files with 15 additions and 3 deletions
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18
core/java/android/app/ActivityThread.java
View File

@@ -108,6 +108,7 @@ import android.renderscript.RenderScriptCacheDir;
import android.system.Os;
import android.system.OsConstants;
import android.system.ErrnoException;
import android.webkit.WebView;
import com.android.internal.annotations.GuardedBy;
import com.android.internal.app.IVoiceInteractor;
@@ -1041,10 +1042,21 @@ public final class ActivityThread {
long dalvikMax = runtime.totalMemory() / 1024;
long dalvikFree = runtime.freeMemory() / 1024;
long dalvikAllocated = dalvikMax - dalvikFree;
Class[] classesToCount = new Class[] {
ContextImpl.class,
Activity.class,
WebView.class,
OpenSSLSocketImpl.class
};
long[] instanceCounts = VMDebug.countInstancesOfClasses(classesToCount, true);
long appContextInstanceCount = instanceCounts[0];
long activityInstanceCount = instanceCounts[1];
long webviewInstanceCount = instanceCounts[2];
long openSslSocketCount = instanceCounts[3];
long viewInstanceCount = ViewDebug.getViewInstanceCount();
long viewRootInstanceCount = ViewDebug.getViewRootImplCount();
long appContextInstanceCount = Debug.countInstancesOfClass(ContextImpl.class);
long activityInstanceCount = Debug.countInstancesOfClass(Activity.class);
int globalAssetCount = AssetManager.getGlobalAssetCount();
int globalAssetManagerCount = AssetManager.getGlobalAssetManagerCount();
int binderLocalObjectCount = Debug.getBinderLocalObjectCount();
@@ -1052,7 +1064,6 @@ public final class ActivityThread {
int binderDeathObjectCount = Debug.getBinderDeathObjectCount();
long parcelSize = Parcel.getGlobalAllocSize();
long parcelCount = Parcel.getGlobalAllocCount();
long openSslSocketCount = Debug.countInstancesOfClass(OpenSSLSocketImpl.class);
SQLiteDebug.PagerStats stats = SQLiteDebug.getDatabaseInfo();
dumpMemInfoTable(pw, memInfo, checkin, dumpFullInfo, dumpDalvik, dumpSummaryOnly,
@@ -1115,6 +1126,7 @@ public final class ActivityThread {
"Parcel count:", parcelCount);
printRow(pw, TWO_COUNT_COLUMNS, "Death Recipients:", binderDeathObjectCount,
"OpenSSL Sockets:", openSslSocketCount);
printRow(pw, ONE_COUNT_COLUMN, "WebViews:", webviewInstanceCount);
// SQLite mem info
pw.println(" ");