Temporarily increase heap min and max free
Make sure that GC doesn't run too often for TLAB ergonomics. Added a
regression test.
Bug: 34576638
Test: test-art-host
Change-Id: Ie07c7c470aaca044fea20b21cbe6bfe8667d082f
diff --git a/test/154-gc-loop/expected.txt b/test/154-gc-loop/expected.txt
new file mode 100644
index 0000000..6106818
--- /dev/null
+++ b/test/154-gc-loop/expected.txt
@@ -0,0 +1,2 @@
+JNI_OnLoad called
+Finalize count too large: false
diff --git a/test/154-gc-loop/heap_interface.cc b/test/154-gc-loop/heap_interface.cc
new file mode 100644
index 0000000..8d610a8
--- /dev/null
+++ b/test/154-gc-loop/heap_interface.cc
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "gc/heap.h"
+#include "runtime.h"
+
+namespace art {
+namespace {
+
+extern "C" JNIEXPORT void JNICALL Java_Main_backgroundProcessState(JNIEnv*, jclass) {
+ Runtime::Current()->UpdateProcessState(kProcessStateJankImperceptible);
+}
+
+} // namespace
+} // namespace art
diff --git a/test/154-gc-loop/info.txt b/test/154-gc-loop/info.txt
new file mode 100644
index 0000000..f599db1
--- /dev/null
+++ b/test/154-gc-loop/info.txt
@@ -0,0 +1 @@
+Test that GC doesn't happen too often for a few small allocations.
diff --git a/test/154-gc-loop/src/Main.java b/test/154-gc-loop/src/Main.java
new file mode 100644
index 0000000..3a256c1
--- /dev/null
+++ b/test/154-gc-loop/src/Main.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.lang.ref.WeakReference;
+
+public class Main {
+ static final class GcWatcher {
+ protected void finalize() throws Throwable {
+ watcher = new WeakReference<GcWatcher>(new GcWatcher());
+ ++finalizeCounter;
+ }
+ }
+ static WeakReference<GcWatcher> watcher = new WeakReference<GcWatcher>(new GcWatcher());
+ static Object o = new Object();
+ static int finalizeCounter = 0;
+
+ public static void main(String[] args) {
+ System.loadLibrary(args[0]);
+ backgroundProcessState();
+ try {
+ Runtime.getRuntime().gc();
+ for (int i = 0; i < 10; ++i) {
+ o = new Object();
+ Thread.sleep(1000);
+ }
+ } catch (Exception e) {}
+ System.out.println("Finalize count too large: " +
+ ((finalizeCounter >= 10) ? Integer.toString(finalizeCounter) : "false"));
+ }
+
+ private static native void backgroundProcessState();
+}