summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--api/current.txt1
-rw-r--r--api/system-current.txt1
-rw-r--r--api/test-current.txt1
-rw-r--r--core/java/android/os/Debug.java23
4 files changed, 26 insertions, 0 deletions
diff --git a/api/current.txt b/api/current.txt
index a8250e256c97..d43dcb893ef2 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -30727,6 +30727,7 @@ package android.os {
}
public final class Debug {
+ method public static void attachJvmtiAgent(java.lang.String, java.lang.String) throws java.io.IOException;
method public static deprecated void changeDebugPort(int);
method public static void dumpHprofData(java.lang.String) throws java.io.IOException;
method public static boolean dumpService(java.lang.String, java.io.FileDescriptor, java.lang.String[]);
diff --git a/api/system-current.txt b/api/system-current.txt
index 3b0da5ee3438..8f19a687c34d 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -33450,6 +33450,7 @@ package android.os {
}
public final class Debug {
+ method public static void attachJvmtiAgent(java.lang.String, java.lang.String) throws java.io.IOException;
method public static deprecated void changeDebugPort(int);
method public static void dumpHprofData(java.lang.String) throws java.io.IOException;
method public static boolean dumpService(java.lang.String, java.io.FileDescriptor, java.lang.String[]);
diff --git a/api/test-current.txt b/api/test-current.txt
index 97bc448ba1bf..9280e04d3287 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -30837,6 +30837,7 @@ package android.os {
}
public final class Debug {
+ method public static void attachJvmtiAgent(java.lang.String, java.lang.String) throws java.io.IOException;
method public static deprecated void changeDebugPort(int);
method public static void dumpHprofData(java.lang.String) throws java.io.IOException;
method public static boolean dumpService(java.lang.String, java.io.FileDescriptor, java.lang.String[]);
diff --git a/core/java/android/os/Debug.java b/core/java/android/os/Debug.java
index 2efde23275ab..3286e6ec6ef9 100644
--- a/core/java/android/os/Debug.java
+++ b/core/java/android/os/Debug.java
@@ -16,11 +16,14 @@
package android.os;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
import android.app.AppGlobals;
import android.content.Context;
import android.util.Log;
import com.android.internal.util.FastPrintWriter;
+import com.android.internal.util.Preconditions;
import com.android.internal.util.TypedProperties;
import dalvik.system.VMDebug;
@@ -2336,4 +2339,24 @@ public final class Debug
public static String getCaller() {
return getCaller(Thread.currentThread().getStackTrace(), 0);
}
+
+ /**
+ * Attach a library as a jvmti agent to the current runtime.
+ *
+ * @param library library containing the agent
+ * @param options options passed to the agent
+ *
+ * @throws IOException If the agent could not be attached
+ */
+ public static void attachJvmtiAgent(@NonNull String library, @Nullable String options)
+ throws IOException {
+ Preconditions.checkNotNull(library);
+ Preconditions.checkArgument(!library.contains("="));
+
+ if (options == null) {
+ VMDebug.attachAgent(library);
+ } else {
+ VMDebug.attachAgent(library + "=" + options);
+ }
+ }
}