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Added Java bindings to async trace functions with track argument

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Bug: 22119585
Test: atest TraceDevTest
Change-Id: I0432763837670de97e6771a1d0fda33f8df14f39
This commit is contained in:
Ray Ye 2022-03-29 19:30:27 +00:00
parent 4797e99e5f
commit 420bd3c28a
2 changed files with 73 additions and 0 deletions
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47
core/java/android/os/Trace.java
View File

@ -136,6 +136,12 @@ public final class Trace {
@FastNative
private static native void nativeAsyncTraceEnd(long tag, String name, int cookie);
@FastNative
private static native void nativeAsyncTraceForTrackBegin(long tag,
String trackName, String name, int cookie);
@FastNative
private static native void nativeAsyncTraceForTrackEnd(long tag,
String trackName, String name, int cookie);
@FastNative
private static native void nativeInstant(long tag, String name);
@FastNative
private static native void nativeInstantForTrack(long tag, String trackName, String name);
@ -271,6 +277,47 @@ public final class Trace {
}
}
/**
* Writes a trace message to indicate that a given section of code has
* begun. Must be followed by a call to {@link #asyncTraceForTrackEnd} using the same
* tag. This function operates exactly like {@link #asyncTraceBegin(long, String, int)},
* except with the inclusion of a track name argument for where this method should appear.
*
* @param traceTag The trace tag.
* @param trackName The track where the event should appear in the trace.
* @param methodName The method name to appear in the trace.
* @param cookie Unique identifier for distinguishing simultaneous events
*
* @hide
*/
public static void asyncTraceForTrackBegin(long traceTag,
@NonNull String trackName, @NonNull String methodName, int cookie) {
if (isTagEnabled(traceTag)) {
nativeAsyncTraceForTrackBegin(traceTag, trackName, methodName, cookie);
}
}
/**
* Writes a trace message to indicate that the current method has ended.
* Must be called exactly once for each call to
* {@link #asyncTraceForTrackBegin(long, String, String, int)}
* using the same tag, track name, name and cookie.
*
* @param traceTag The trace tag.
* @param trackName The track where the event should appear in the trace.
* @param methodName The method name to appear in the trace.
* @param cookie Unique identifier for distinguishing simultaneous events
*
* @hide
*/
public static void asyncTraceForTrackEnd(long traceTag,
@NonNull String trackName, @NonNull String methodName, int cookie) {
if (isTagEnabled(traceTag)) {
nativeAsyncTraceForTrackEnd(traceTag, trackName, methodName, cookie);
}
}
/**
* Writes a trace message to indicate that a given section of code was invoked.
*

26
core/jni/android_os_Trace.cpp
View File

@ -82,6 +82,26 @@ static void android_os_Trace_nativeAsyncTraceEnd(JNIEnv* env, jclass,
});
}
static void android_os_Trace_nativeAsyncTraceForTrackBegin(JNIEnv* env, jclass, jlong tag,
jstring trackStr, jstring nameStr,
jint cookie) {
withString(env, trackStr, [env, tag, nameStr, cookie](char* track) {
withString(env, nameStr, [tag, track, cookie](char* name) {
atrace_async_for_track_begin(tag, track, name, cookie);
});
});
}
static void android_os_Trace_nativeAsyncTraceForTrackEnd(JNIEnv* env, jclass, jlong tag,
jstring trackStr, jstring nameStr,
jint cookie) {
withString(env, trackStr, [env, tag, nameStr, cookie](char* track) {
withString(env, nameStr, [tag, track, cookie](char* name) {
atrace_async_for_track_end(tag, track, name, cookie);
});
});
}
static void android_os_Trace_nativeSetAppTracingAllowed(JNIEnv*, jclass, jboolean allowed) {
atrace_update_tags();
}
@ -132,6 +152,12 @@ static const JNINativeMethod gTraceMethods[] = {
{ "nativeAsyncTraceEnd",
"(JLjava/lang/String;I)V",
(void*)android_os_Trace_nativeAsyncTraceEnd },
{ "nativeAsyncTraceForTrackBegin",
"(JLjava/lang/String;Ljava/lang/String;I)V",
(void*)android_os_Trace_nativeAsyncTraceForTrackBegin },
{ "nativeAsyncTraceForTrackEnd",
"(JLjava/lang/String;Ljava/lang/String;I)V",
(void*)android_os_Trace_nativeAsyncTraceForTrackEnd },
{ "nativeInstant",
"(JLjava/lang/String;)V",
(void*)android_os_Trace_nativeInstant },