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Commit 530da166 authored by Dmitri Plotnikov's avatar Dmitri Plotnikov
Browse files

Add @CriticalNative to getNativeTid to improve performance 

Bug: 158232997
Test: atest FrameworksCoreTests:com.android.internal.os.BinderCallsStatsTestBug
Change-Id: I5a5022921ba54354db59083f015d193d929ae0d5
parent 22b8c288

core/java/android/os/Binder.java

+1 −0
Original line number Diff line number Diff line
@@ -127,6 +127,7 @@ public class Binder implements IBinder { 
     *

     * @hide

     */

    @CriticalNative

    public static native int getNativeTid();



    // Use a Holder to allow static initialization of Binder in the boot image, and

core/jni/android_util_Binder.cpp

+2 −1
Original line number Diff line number Diff line
@@ -1048,7 +1048,7 @@ static void android_os_Binder_setExtension(JNIEnv* env, jobject obj, jobject ext 
    jbh->setExtension(extension);

}



JNIEXPORT jint JNICALL android_os_Binder_getNativeTid(JNIEnv* env, jobject clazz) {

static jint android_os_Binder_getNativeTid() {

    return (jint)android::base::GetThreadId();

}
@@ -1083,6 +1083,7 @@ static const JNINativeMethod gBinderMethods[] = { 
    { "blockUntilThreadAvailable", "()V", (void*)android_os_Binder_blockUntilThreadAvailable },

    { "getExtension", "()Landroid/os/IBinder;", (void*)android_os_Binder_getExtension },

    { "setExtension", "(Landroid/os/IBinder;)V", (void*)android_os_Binder_setExtension },

    // @CriticalNative

    { "getNativeTid", "()I", (void*)android_os_Binder_getNativeTid },

};