--- /dev/null	2020-05-08 09:21:34.500054546 +0200
+++ new/src/hotspot/share/gc/shared/gcInitLogger.cpp	2020-05-25 14:22:58.315670783 +0200
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "gc/shared/gcInitLogger.hpp"
+#include "logging/log.hpp"
+#include "oops/compressedOops.hpp"
+#include "runtime/globals.hpp"
+#include "runtime/vm_version.hpp"
+#include "utilities/globalDefinitions.hpp"
+
+void GCInitLogger::print_all() {
+  print_version();
+  print_cpu();
+  print_memory();
+  print_large_pages();
+  print_numa();
+  print_compressed_oops();
+  print_heap();
+  print_workers();
+}
+
+void GCInitLogger::print() {
+  GCInitLogger init_log;
+  init_log.print_all();
+}
+
+void GCInitLogger::print_version() {
+  log_info(gc, init)("Version: %s (%s)",
+                     VM_Version::vm_release(),
+                     VM_Version::jdk_debug_level());
+}
+
+void GCInitLogger::print_cpu() {
+  log_info(gc, init)("CPUs: %u total, %u available",
+                     os::processor_count(),
+                     os::initial_active_processor_count());
+}
+
+void GCInitLogger::print_memory() {
+  julong memory = os::physical_memory();
+  log_info(gc, init)("Memory: " JULONG_FORMAT "%s",
+                     byte_size_in_proper_unit(memory), proper_unit_for_byte_size(memory));
+}
+
+void GCInitLogger::print_large_pages() {
+  log_info(gc, init)("Large Page Support: %s", large_pages_support());
+}
+
+void GCInitLogger::print_numa() {
+  if (UseNUMA) {
+    log_info(gc, init)("NUMA Support: Enabled");
+    log_info(gc, init)("NUMA Nodes: " SIZE_FORMAT, os::numa_get_groups_num());
+  } else {
+    log_info(gc, init)("NUMA Support: Disabled");
+  }
+}
+
+void GCInitLogger::print_compressed_oops() {
+  if (UseCompressedOops) {
+    log_info(gc, init)("Compressed Oops: Enabled (%s)",
+                       CompressedOops::mode_to_string(CompressedOops::mode()));
+  } else {
+    log_info(gc, init)("Compressed Oops: Disabled");
+  }
+}
+
+void GCInitLogger::print_heap() {
+  log_info(gc, init)("Heap Min Capacity: " SIZE_FORMAT "%s",
+                     byte_size_in_exact_unit(MinHeapSize), exact_unit_for_byte_size(MinHeapSize));
+  log_info(gc, init)("Heap Initial Capacity: " SIZE_FORMAT "%s",
+                     byte_size_in_exact_unit(InitialHeapSize), exact_unit_for_byte_size(InitialHeapSize));
+  log_info(gc, init)("Heap Max Capacity: " SIZE_FORMAT "%s",
+                     byte_size_in_exact_unit(MaxHeapSize), exact_unit_for_byte_size(MaxHeapSize));
+
+  log_info(gc, init)("Pre-touch: %s", AlwaysPreTouch ? "Enabled" : "Disabled");
+}
+
+void GCInitLogger::print_workers() {
+  if (ParallelGCThreads > 0) {
+    log_info(gc, init)("Parallel Workers: %u", ParallelGCThreads);
+  }
+  if (ConcGCThreads > 0) {
+    log_info(gc, init)("Concurrent Workers: %u", ConcGCThreads);
+  }
+}
+
+const char* GCInitLogger::large_pages_support() {
+  if (UseLargePages) {
+#ifdef LINUX
+    if (UseTransparentHugePages) {
+      return "Enabled (Transparent)";
+    } else {
+      return "Enabled (Explicit)";
+    }
+#else
+    return "Enabled";
+#endif
+  } else {
+    return "Disabled";
+  }
+}