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diff src/share/vm/runtime/arguments.cpp @ 6770:9a86ddfc6c8f

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7188594: Print statistic collected by NMT with VM flag Summary: Print out statistics of collected NMT data if it is on at VM exits Reviewed-by: kvn, coleenp, twisti
author zgu
date Mon, 17 Sep 2012 16:37:26 -0400
parents 11fb740ce98f
children b86575d092a2
line wrap: on
line diff
--- a/src/share/vm/runtime/arguments.cpp	Mon Sep 17 10:20:04 2012 -0400
+++ b/src/share/vm/runtime/arguments.cpp	Mon Sep 17 16:37:26 2012 -0400
@@ -1978,6 +1978,12 @@
   status = status && verify_min_value(ClassMetaspaceSize, 1*M,
                                       "ClassMetaspaceSize");
 
+  // check native memory tracking flags
+  if (PrintNMTStatistics && MemTracker::tracking_level() == MemTracker::NMT_off) {
+    warning("PrintNMTStatistics is disabled, because native memory tracking is not enabled");
+    PrintNMTStatistics = false;
+  }
+
   return status;
 }