--- a/hotspot/src/share/vm/memory/metaspace.cpp Mon Jan 12 18:58:49 2015 +0300
+++ b/hotspot/src/share/vm/memory/metaspace.cpp Wed Jan 14 15:13:39 2015 +0000
@@ -3829,11 +3829,13 @@
assert(cm.sum_free_chunks() == 2*MediumChunk, "sizes should add up");
}
- { // 4 pages of VSN is committed, some is used by chunks
+ const size_t page_chunks = 4 * (size_t)os::vm_page_size() / BytesPerWord;
+ // This doesn't work for systems with vm_page_size >= 16K.
+ if (page_chunks < MediumChunk) {
+ // 4 pages of VSN is committed, some is used by chunks
ChunkManager cm(SpecializedChunk, SmallChunk, MediumChunk);
VirtualSpaceNode vsn(vsn_test_size_bytes);
- const size_t page_chunks = 4 * (size_t)os::vm_page_size() / BytesPerWord;
- assert(page_chunks < MediumChunk, "Test expects medium chunks to be at least 4*page_size");
+
vsn.initialize();
vsn.expand_by(page_chunks, page_chunks);
vsn.get_chunk_vs(SmallChunk);
--- a/hotspot/test/compiler/exceptions/TestRecursiveReplacedException.java Mon Jan 12 18:58:49 2015 +0300
+++ b/hotspot/test/compiler/exceptions/TestRecursiveReplacedException.java Wed Jan 14 15:13:39 2015 +0000
@@ -25,7 +25,7 @@
* @test
* @bug 8054224
* @summary Recursive method compiled by C1 is unable to catch StackOverflowError
- * @run main/othervm -Xcomp -XX:CompileOnly=Test.run -XX:+TieredCompilation -XX:TieredStopAtLevel=2 -Xss256K TestRecursiveReplacedException
+ * @run main/othervm -Xcomp -XX:CompileOnly=Test.run -XX:+TieredCompilation -XX:TieredStopAtLevel=2 -Xss392K TestRecursiveReplacedException
*
*/
--- a/hotspot/test/compiler/runtime/6865265/StackOverflowBug.java Mon Jan 12 18:58:49 2015 +0300
+++ b/hotspot/test/compiler/runtime/6865265/StackOverflowBug.java Wed Jan 14 15:13:39 2015 +0000
@@ -28,7 +28,7 @@
* @summary JVM crashes with "missing exception handler" error
* @author volker.simonis@sap.com
*
- * @run main/othervm -XX:CompileThreshold=100 -Xbatch -Xss248k StackOverflowBug
+ * @run main/othervm -XX:CompileThreshold=100 -Xbatch -Xss392k StackOverflowBug
*/
--- a/hotspot/test/compiler/uncommontrap/8009761/Test8009761.java Mon Jan 12 18:58:49 2015 +0300
+++ b/hotspot/test/compiler/uncommontrap/8009761/Test8009761.java Wed Jan 14 15:13:39 2015 +0000
@@ -32,7 +32,7 @@
* @build Test8009761
* @run main ClassFileInstaller sun.hotspot.WhiteBox
* sun.hotspot.WhiteBox$WhiteBoxPermission
- * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=exclude,Test8009761::m2 -XX:-UseOnStackReplacement -XX:-BackgroundCompilation -Xss256K Test8009761
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=exclude,Test8009761::m2 -XX:-UseOnStackReplacement -XX:-BackgroundCompilation -Xss392K Test8009761
*/
public class Test8009761 {
--- a/hotspot/test/compiler/uncommontrap/StackOverflowGuardPagesOff.java Mon Jan 12 18:58:49 2015 +0300
+++ b/hotspot/test/compiler/uncommontrap/StackOverflowGuardPagesOff.java Wed Jan 14 15:13:39 2015 +0000
@@ -25,7 +25,7 @@
* @test
* @bug 8029383
* @summary stack overflow if callee is marked for deoptimization causes crash
- * @run main/othervm -XX:TieredStopAtLevel=1 -XX:-BackgroundCompilation -XX:CompileCommand=dontinline,StackOverflowGuardPagesOff::m1 -XX:CompileCommand=exclude,StackOverflowGuardPagesOff::m2 -Xss256K -XX:-UseOnStackReplacement StackOverflowGuardPagesOff
+ * @run main/othervm -XX:TieredStopAtLevel=1 -XX:-BackgroundCompilation -XX:CompileCommand=dontinline,StackOverflowGuardPagesOff::m1 -XX:CompileCommand=exclude,StackOverflowGuardPagesOff::m2 -Xss392K -XX:-UseOnStackReplacement StackOverflowGuardPagesOff
*
*/
--- a/hotspot/test/compiler/uncommontrap/TestStackBangMonitorOwned.java Mon Jan 12 18:58:49 2015 +0300
+++ b/hotspot/test/compiler/uncommontrap/TestStackBangMonitorOwned.java Wed Jan 14 15:13:39 2015 +0000
@@ -25,7 +25,7 @@
* @test
* @bug 8032410
* @summary Stack overflow at deoptimization doesn't release owned monitors
- * @run main/othervm -XX:-BackgroundCompilation -XX:CompileCommand=dontinline,TestStackBangMonitorOwned::m1 -XX:CompileCommand=exclude,TestStackBangMonitorOwned::m2 -Xss256K -XX:-UseOnStackReplacement TestStackBangMonitorOwned
+ * @run main/othervm -XX:-BackgroundCompilation -XX:CompileCommand=dontinline,TestStackBangMonitorOwned::m1 -XX:CompileCommand=exclude,TestStackBangMonitorOwned::m2 -Xss392K -XX:-UseOnStackReplacement TestStackBangMonitorOwned
*
*/
public class TestStackBangMonitorOwned {
--- a/hotspot/test/compiler/uncommontrap/TestStackBangRbp.java Mon Jan 12 18:58:49 2015 +0300
+++ b/hotspot/test/compiler/uncommontrap/TestStackBangRbp.java Wed Jan 14 15:13:39 2015 +0000
@@ -25,7 +25,7 @@
* @test
* @bug 8028308
* @summary rbp not restored when stack overflow is thrown from deopt/uncommon trap blobs
- * @run main/othervm -XX:-BackgroundCompilation -XX:CompileCommand=dontinline,TestStackBangRbp::m1 -XX:CompileCommand=exclude,TestStackBangRbp::m2 -Xss256K -XX:-UseOnStackReplacement TestStackBangRbp
+ * @run main/othervm -XX:-BackgroundCompilation -XX:CompileCommand=dontinline,TestStackBangRbp::m1 -XX:CompileCommand=exclude,TestStackBangRbp::m2 -Xss392K -XX:-UseOnStackReplacement TestStackBangRbp
*
*/
public class TestStackBangRbp {
--- a/hotspot/test/gc/arguments/TestMaxHeapSizeTools.java Mon Jan 12 18:58:49 2015 +0300
+++ b/hotspot/test/gc/arguments/TestMaxHeapSizeTools.java Wed Jan 14 15:13:39 2015 +0000
@@ -112,7 +112,7 @@
}
private static void checkInvalidMinInitialHeapCombinations(String gcflag) throws Exception {
- expectError(new String[] { gcflag, "-Xms8M", "-XX:InitialHeapSize=4M", "-version" });
+ expectError(new String[] { gcflag, "-Xms64M", "-XX:InitialHeapSize=32M", "-version" });
}
private static void checkValidMinInitialHeapCombinations(String gcflag) throws Exception {
--- a/hotspot/test/gc/g1/TestGCLogMessages.java Mon Jan 12 18:58:49 2015 +0300
+++ b/hotspot/test/gc/g1/TestGCLogMessages.java Wed Jan 14 15:13:39 2015 +0000
@@ -107,8 +107,8 @@
private static void testWithToSpaceExhaustionLogs() throws Exception {
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
- "-Xmx10M",
- "-Xmn5M",
+ "-Xmx32M",
+ "-Xmn16M",
"-XX:+PrintGCDetails",
GCTestWithToSpaceExhaustion.class.getName());
@@ -120,8 +120,8 @@
output.shouldHaveExitValue(0);
pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
- "-Xmx10M",
- "-Xmn5M",
+ "-Xmx32M",
+ "-Xmn16M",
"-XX:+PrintGCDetails",
"-XX:+UnlockExperimentalVMOptions",
"-XX:G1LogLevel=finest",
@@ -151,7 +151,7 @@
private static byte[] garbage;
private static byte[] largeObject;
public static void main(String [] args) {
- largeObject = new byte[5*1024*1024];
+ largeObject = new byte[16*1024*1024];
System.out.println("Creating garbage");
// create 128MB of garbage. This should result in at least one GC,
// some of them with to-space exhaustion.
--- a/hotspot/test/gc/g1/TestHumongousAllocInitialMark.java Mon Jan 12 18:58:49 2015 +0300
+++ b/hotspot/test/gc/g1/TestHumongousAllocInitialMark.java Wed Jan 14 15:13:39 2015 +0000
@@ -31,7 +31,9 @@
import com.oracle.java.testlibrary.*;
public class TestHumongousAllocInitialMark {
- private static final int heapSize = 200; // MB
+ // Heap sizes < 224 MB are increased to 224 MB if vm_page_size == 64K to
+ // fulfill alignment constraints.
+ private static final int heapSize = 224; // MB
private static final int heapRegionSize = 1; // MB
private static final int initiatingHeapOccupancyPercent = 50; // %
--- a/hotspot/test/runtime/whitebox/WBStackSize.java Mon Jan 12 18:58:49 2015 +0300
+++ b/hotspot/test/runtime/whitebox/WBStackSize.java Wed Jan 14 15:13:39 2015 +0000
@@ -47,7 +47,7 @@
static final long K = 1024;
static final long MIN_STACK_SIZE = 8 * K;
- static final long MAX_STACK_SIZE_ALLOCATED_IN_MAIN = 200 * K; // current value is about 130k on 64-bit platforms
+ static final long MAX_STACK_SIZE_ALLOCATED_IN_MAIN = 150 * K; // current value is about 130k on 64-bit platforms
static final WhiteBox wb = WhiteBox.getWhiteBox();
@@ -82,8 +82,10 @@
public static void main(String[] args) {
long configStackSize = wb.getIntxVMFlag("ThreadStackSize") * K;
+ System.out.println("ThreadStackSize VM option: " + configStackSize);
- System.out.println("ThreadStackSize VM option: " + configStackSize);
+ long stackProtectionSize = wb.getIntxVMFlag("StackShadowPages") * wb.getVMPageSize();
+ System.out.println("Size of protected shadow pages: " + stackProtectionSize);
long actualStackSize = wb.getThreadStackSize();
System.out.println("Full stack size: " + actualStackSize);
@@ -96,14 +98,16 @@
long remainingStackSize = wb.getThreadRemainingStackSize();
System.out.println("Remaining stack size in main(): " + remainingStackSize);
- // Up to 200k can be already allocated by VM
+ // Up to 150k can be already allocated by VM and some space is used for stack protection.
+ long spaceAlreadyOccupied = MAX_STACK_SIZE_ALLOCATED_IN_MAIN + stackProtectionSize;
+
if (remainingStackSize > configStackSize
- || (configStackSize > MAX_STACK_SIZE_ALLOCATED_IN_MAIN
- && remainingStackSize < configStackSize - MAX_STACK_SIZE_ALLOCATED_IN_MAIN)) {
+ || (configStackSize > spaceAlreadyOccupied
+ && remainingStackSize < configStackSize - spaceAlreadyOccupied)) {
throw new RuntimeException("getThreadRemainingStackSize value [" + remainingStackSize
+ "] should be at least ThreadStackSize value [" + configStackSize + "] minus ["
- + MAX_STACK_SIZE_ALLOCATED_IN_MAIN + "]");
+ + spaceAlreadyOccupied + "]");
}
testStackOverflow();