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Commit 6be2cab5 authored by John Reck's avatar John Reck
Browse files

Trace @FastNative 

Test: make & boot
Change-Id: Ibd0160bd98639961b07f430b3fdf210a5796234b
parent f03f8e59

core/java/android/os/Trace.java

+10 −2
Original line number Diff line number Diff line
@@ -16,6 +16,8 @@ 


package android.os;



import dalvik.annotation.optimization.FastNative;



/**

 * Writes trace events to the system trace buffer.  These trace events can be

 * collected and visualized using the Systrace tool.
@@ -91,13 +93,19 @@ public final class Trace { 
    private static volatile long sEnabledTags = TRACE_TAG_NOT_READY;



    private static native long nativeGetEnabledTags();

    private static native void nativeSetAppTracingAllowed(boolean allowed);

    private static native void nativeSetTracingEnabled(boolean allowed);



    @FastNative

    private static native void nativeTraceCounter(long tag, String name, int value);

    @FastNative

    private static native void nativeTraceBegin(long tag, String name);

    @FastNative

    private static native void nativeTraceEnd(long tag);

    @FastNative

    private static native void nativeAsyncTraceBegin(long tag, String name, int cookie);

    @FastNative

    private static native void nativeAsyncTraceEnd(long tag, String name, int cookie);

    private static native void nativeSetAppTracingAllowed(boolean allowed);

    private static native void nativeSetTracingEnabled(boolean allowed);



    static {

        // We configure two separate change callbacks, one in Trace.cpp and one here.  The

core/jni/android_os_Trace.cpp

+14 −11
Original line number Diff line number Diff line
@@ -110,27 +110,30 @@ static const JNINativeMethod gTraceMethods[] = { 
    { "nativeGetEnabledTags",

            "()J",

            (void*)android_os_Trace_nativeGetEnabledTags },

    { "nativeSetAppTracingAllowed",

            "(Z)V",

            (void*)android_os_Trace_nativeSetAppTracingAllowed },

    { "nativeSetTracingEnabled",

            "(Z)V",

            (void*)android_os_Trace_nativeSetTracingEnabled },



    // ----------- @FastNative  ----------------



    { "nativeTraceCounter",

            "!(JLjava/lang/String;I)V",

            "(JLjava/lang/String;I)V",

            (void*)android_os_Trace_nativeTraceCounter },

    { "nativeTraceBegin",

            "!(JLjava/lang/String;)V",

            "(JLjava/lang/String;)V",

            (void*)android_os_Trace_nativeTraceBegin },

    { "nativeTraceEnd",

            "!(J)V",

            "(J)V",

            (void*)android_os_Trace_nativeTraceEnd },

    { "nativeAsyncTraceBegin",

            "!(JLjava/lang/String;I)V",

            "(JLjava/lang/String;I)V",

            (void*)android_os_Trace_nativeAsyncTraceBegin },

    { "nativeAsyncTraceEnd",

            "!(JLjava/lang/String;I)V",

            "(JLjava/lang/String;I)V",

            (void*)android_os_Trace_nativeAsyncTraceEnd },

    { "nativeSetAppTracingAllowed",

            "(Z)V",

            (void*)android_os_Trace_nativeSetAppTracingAllowed },

    { "nativeSetTracingEnabled",

            "(Z)V",

            (void*)android_os_Trace_nativeSetTracingEnabled },

};



int register_android_os_Trace(JNIEnv* env) {