diff options
| -rw-r--r-- | dalvik/src/main/java/dalvik/system/VMDebug.java | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/dalvik/src/main/java/dalvik/system/VMDebug.java b/dalvik/src/main/java/dalvik/system/VMDebug.java index c5c3aa9..cfae706 100644 --- a/dalvik/src/main/java/dalvik/system/VMDebug.java +++ b/dalvik/src/main/java/dalvik/system/VMDebug.java @@ -156,7 +156,12 @@ public final class VMDebug { */ public static void startMethodTracing(String traceFileName, int bufferSize, int flags) { - startMethodTracing(traceFileName, null, bufferSize, flags); + + if (traceFileName == null) { + throw new NullPointerException(); + } + + startMethodTracingNative(traceFileName, null, bufferSize, flags); } /** @@ -168,7 +173,33 @@ public final class VMDebug { * this and find it would be useful. * @hide */ - public static native void startMethodTracing(String traceFileName, + public static void startMethodTracing(String traceFileName, + FileDescriptor fd, int bufferSize, int flags) + { + if (traceFileName == null || fd == null) { + throw new NullPointerException(); + } + + startMethodTracingNative(traceFileName, fd, bufferSize, flags); + } + + /** + * Starts method tracing without a backing file. When stopMethodTracing + * is called, the result is sent directly to DDMS. (If DDMS is not + * attached when tracing ends, the profiling data will be discarded.) + * + * @hide + */ + public static void startMethodTracingDdms(int bufferSize, int flags) { + startMethodTracingNative(null, null, bufferSize, flags); + } + + /** + * Implements all startMethodTracing variants. + * + * @hide + */ + private static native void startMethodTracingNative(String traceFileName, FileDescriptor fd, int bufferSize, int flags); /** |