[GC] Port G1ElasticHeap to dragonwell

Summary: G1ElasticHeap to support heap shrink/expansion in runtime Test Plan: test/elastic-heap/ Reviewers: Issue: dragonwell-project/dragonwell8#46 CR: #12
dragonwell-project · Sep 20, 2019 · 7e111f6 · 7e111f6
1 parent b0fb410
commit 7e111f6
Show file tree

Hide file tree

Showing 41 changed files with 4,749 additions and 16 deletions.
diff --git a/agent/src/share/classes/sun/jvm/hotspot/gc_interface/GCCause.java b/agent/src/share/classes/sun/jvm/hotspot/gc_interface/GCCause.java
@@ -55,6 +55,8 @@ public enum GCCause {
   _g1_inc_collection_pause ("G1 Evacuation Pause"),
   _g1_humongous_allocation ("G1 Humongous Allocation"),
 
+  _g1_elastic_heap_trigger_gc("Elastic Heap triggered GC"),
+
   _last_ditch_collection ("Last ditch collection"),
   _last_gc_cause ("ILLEGAL VALUE - last gc cause - ILLEGAL VALUE");
 

diff --git a/make/linux/makefiles/mapfile-vers-debug b/make/linux/makefiles/mapfile-vers-debug
@@ -84,6 +84,15 @@ SUNWprivate_1.1 {
                 JVM_DumpAllStacks;
                 JVM_DumpThreads;
                 JVM_EnableCompiler;
+                JVM_ElasticHeapGetEvaluationMode;
+                JVM_ElasticHeapSetYoungGenCommitPercent;
+                JVM_ElasticHeapGetYoungGenCommitPercent;
+                JVM_ElasticHeapSetUncommitIHOP;
+                JVM_ElasticHeapGetUncommitIHOP;
+                JVM_ElasticHeapGetTotalYoungUncommittedBytes;
+                JVM_ElasticHeapSetSoftmxPercent;
+                JVM_ElasticHeapGetSoftmxPercent;
+                JVM_ElasticHeapGetTotalUncommittedBytes;
                 JVM_Exit;
                 JVM_FillInStackTrace;
                 JVM_FindClassFromCaller;

diff --git a/make/linux/makefiles/mapfile-vers-product b/make/linux/makefiles/mapfile-vers-product
@@ -69,6 +69,15 @@ SUNWprivate_1.1 {
                 JVM_CurrentClassLoader;
                 JVM_CurrentLoadedClass;
                 JVM_CurrentThread;
+                JVM_ElasticHeapGetEvaluationMode;
+                JVM_ElasticHeapSetYoungGenCommitPercent;
+                JVM_ElasticHeapGetYoungGenCommitPercent;
+                JVM_ElasticHeapSetUncommitIHOP;
+                JVM_ElasticHeapGetUncommitIHOP;
+                JVM_ElasticHeapGetTotalYoungUncommittedBytes;
+                JVM_ElasticHeapSetSoftmxPercent;
+                JVM_ElasticHeapGetSoftmxPercent;
+                JVM_ElasticHeapGetTotalUncommittedBytes;
                 JVM_CurrentTimeMillis;
                 JVM_DefineClass;
                 JVM_DefineClassWithSource;