# HG changeset patch
# User Tom Rodriguez <tom.rodriguez@oracle.com>
# Date 1475079743 25200
# Node ID c64c9fac1ab97322f82f403daecf693355ced99c
# Parent  e687b7d93805f5f58b2d5c50ea6811d90f670b6f
Expose decompile counts in MDO

diff -r e687b7d93805 -r c64c9fac1ab9 jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotMethodData.java
--- a/jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotMethodData.java	Wed Sep 28 14:01:41 2016 +0200
+++ b/jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotMethodData.java	Wed Sep 28 09:22:23 2016 -0700
@@ -107,6 +107,18 @@
         return UNSAFE.getByte(metaspaceMethodData + config.methodDataOopTrapHistoryOffset + config.deoptReasonOSROffset + reasonIndex) & 0xFF;
     }
 
+    public int getDecompileCount() {
+        return UNSAFE.getInt(metaspaceMethodData + config.methodDataDecompiles);
+    }
+
+    public int getOverflowCompileCount() {
+        return UNSAFE.getInt(metaspaceMethodData + config.methodDataOverflowRecompiles);
+    }
+
+    public int getOverflowTrapsCount() {
+        return UNSAFE.getInt(metaspaceMethodData + config.methodDataOverflowTraps);
+    }
+
     public HotSpotMethodDataAccessor getNormalData(int position) {
         if (position >= normalDataSize()) {
             return null;
diff -r e687b7d93805 -r c64c9fac1ab9 jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotProfilingInfo.java
--- a/jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotProfilingInfo.java	Wed Sep 28 14:01:41 2016 +0200
+++ b/jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotProfilingInfo.java	Wed Sep 28 09:22:23 2016 -0700
@@ -57,6 +57,18 @@
         return method.getCodeSize();
     }
 
+    public int getDecompileCount() {
+        return methodData.getDecompileCount();
+    }
+
+    public int getOverflowCompileCount() {
+        return methodData.getOverflowCompileCount();
+    }
+
+    public int getOverflowTrapsCount() {
+        return methodData.getOverflowTrapsCount();
+    }
+
     @Override
     public JavaTypeProfile getTypeProfile(int bci) {
         if (!isMature) {
diff -r e687b7d93805 -r c64c9fac1ab9 jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotVMConfig.java
--- a/jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotVMConfig.java	Wed Sep 28 14:01:41 2016 +0200
+++ b/jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotVMConfig.java	Wed Sep 28 09:22:23 2016 -0700
@@ -239,6 +239,10 @@
     final int methodDataOopTrapHistoryOffset = getFieldOffset("MethodData::_trap_hist._array[0]", Integer.class, "u1");
     final int methodDataIRSizeOffset = getFieldOffset("MethodData::_jvmci_ir_size", Integer.class, "int");
 
+    final int methodDataDecompiles = getFieldOffset("MethodData::_nof_decompiles", Integer.class, "uint");
+    final int methodDataOverflowRecompiles = getFieldOffset("MethodData::_nof_overflow_recompiles", Integer.class, "uint");
+    final int methodDataOverflowTraps = getFieldOffset("MethodData::_nof_overflow_traps", Integer.class, "uint");
+
     final int nmethodCompLevelOffset = getFieldOffset("nmethod::_comp_level", Integer.class, "int");
 
     final int compilationLevelNone = getConstant("CompLevel_none", Integer.class);