src/hotspot/share/services/diagnosticCommand.cpp

@@ -101,10 +101,11 @@
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassLoaderStatsDCmd>(full_export, true, false));
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompileQueueDCmd>(full_export, true, false));
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeListDCmd>(full_export, true, false));
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeCacheDCmd>(full_export, true, false));
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<TouchedMethodsDCmd>(full_export, true, false));
+  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeHeapAnalyticsDCmd>(full_export, true, false));
 
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompilerDirectivesPrintDCmd>(full_export, true, false));
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompilerDirectivesAddDCmd>(full_export, true, false));
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompilerDirectivesRemoveDCmd>(full_export, true, false));
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompilerDirectivesClearDCmd>(full_export, true, false));

@@ -917,10 +918,35 @@
 
 void CodeCacheDCmd::execute(DCmdSource source, TRAPS) {
   CodeCache::print_layout(output());
 }
 
+//---<  BEGIN  >--- 8198691: CodeHeap State Analytics.
+CodeHeapAnalyticsDCmd::CodeHeapAnalyticsDCmd(outputStream* output, bool heap) :
+                                             DCmdWithParser(output, heap),
+  _function("function", "Function to be performed (aggregate, UsedSpace, FreeSpace, MethodCount, MethodSpace, MethodAge, MethodNames, discard", "STRING", false, "all"),
+  _granularity("granularity", "Detail level - smaller value -> more detail", "STRING", false, "4096") {
+  _dcmdparser.add_dcmd_argument(&_function);
+  _dcmdparser.add_dcmd_argument(&_granularity);
+}
+
+void CodeHeapAnalyticsDCmd::execute(DCmdSource source, TRAPS) {
+  CompileBroker::print_heapinfo(output(), _function.value(), _granularity.value());
+}
+
+int CodeHeapAnalyticsDCmd::num_arguments() {
+  ResourceMark rm;
+  CodeHeapAnalyticsDCmd* dcmd = new CodeHeapAnalyticsDCmd(NULL, false);
+  if (dcmd != NULL) {
+    DCmdMark mark(dcmd);
+    return dcmd->_dcmdparser.num_arguments();
+  } else {
+    return 0;
+  }
+}
+//---<  END  >--- 8198691: CodeHeap State Analytics.
+
 void CompilerDirectivesPrintDCmd::execute(DCmdSource source, TRAPS) {
   DirectivesStack::print(output());
 }
 
 CompilerDirectivesAddDCmd::CompilerDirectivesAddDCmd(outputStream* output, bool heap) :