83 
  84     // Enabled with TieredCompilation and ReservedCodeCacheSize >= 240MB
  85     pb = ProcessTools.createJavaProcessBuilder("-XX:+TieredCompilation",
  86                                                "-XX:ReservedCodeCacheSize=240m",
  87                                                "-XX:+PrintCodeCache", "-version");
  88     verifySegmentedCodeCache(pb, true);
  89 
  90     // Always enabled if SegmentedCodeCache is set
  91     pb = ProcessTools.createJavaProcessBuilder("-XX:+SegmentedCodeCache",
  92                                                "-XX:-TieredCompilation",
  93                                                "-XX:ReservedCodeCacheSize=239m",
  94                                                "-XX:+PrintCodeCache", "-version");
  95     verifySegmentedCodeCache(pb, true);
  96 
  97     // The profiled and non-profiled code heaps should not be available in
  98     // interpreter-only mode
  99     pb = ProcessTools.createJavaProcessBuilder("-XX:+SegmentedCodeCache",
 100                                                "-Xint",
 101                                                "-XX:+PrintCodeCache", "-version");
 102     verifyCodeHeapNotExists(pb, PROFILED, NON_PROFILED);



 103     pb = ProcessTools.createJavaProcessBuilder("-XX:+SegmentedCodeCache",
 104                                                "-XX:TieredStopAtLevel=0",
 105                                                "-XX:+PrintCodeCache", "-version");
 106     verifyCodeHeapNotExists(pb, PROFILED, NON_PROFILED);
 107 
 108     // If we stop compilation at CompLevel_simple
 109     pb = ProcessTools.createJavaProcessBuilder("-XX:+SegmentedCodeCache",
 110                                                "-XX:TieredStopAtLevel=1",
 111                                                "-XX:+PrintCodeCache", "-version");
 112     verifyCodeHeapNotExists(pb, PROFILED);
 113 
 114     // Fails with too small non-nmethod code heap size
 115     pb = ProcessTools.createJavaProcessBuilder("-XX:NonNMethodCodeHeapSize=100K");
 116     failsWith(pb, "Invalid NonNMethodCodeHeapSize");
 117 
 118     // Fails if code heap sizes do not add up
 119     pb = ProcessTools.createJavaProcessBuilder("-XX:+SegmentedCodeCache",
 120                                                "-XX:ReservedCodeCacheSize=10M",
 121                                                "-XX:NonNMethodCodeHeapSize=5M",
 122                                                "-XX:ProfiledCodeHeapSize=5M",
 123                                                "-XX:NonProfiledCodeHeapSize=5M");
 124     failsWith(pb, "Invalid code heap sizes");
 125 
 126     // Fails if not enough space for VM internal code
 127     pb = ProcessTools.createJavaProcessBuilder("-XX:+SegmentedCodeCache",
 128                                                "-XX:ReservedCodeCacheSize=1700K",

  83 
  84     // Enabled with TieredCompilation and ReservedCodeCacheSize >= 240MB
  85     pb = ProcessTools.createJavaProcessBuilder("-XX:+TieredCompilation",
  86                                                "-XX:ReservedCodeCacheSize=240m",
  87                                                "-XX:+PrintCodeCache", "-version");
  88     verifySegmentedCodeCache(pb, true);
  89 
  90     // Always enabled if SegmentedCodeCache is set
  91     pb = ProcessTools.createJavaProcessBuilder("-XX:+SegmentedCodeCache",
  92                                                "-XX:-TieredCompilation",
  93                                                "-XX:ReservedCodeCacheSize=239m",
  94                                                "-XX:+PrintCodeCache", "-version");
  95     verifySegmentedCodeCache(pb, true);
  96 
  97     // The profiled and non-profiled code heaps should not be available in
  98     // interpreter-only mode
  99     pb = ProcessTools.createJavaProcessBuilder("-XX:+SegmentedCodeCache",
 100                                                "-Xint",
 101                                                "-XX:+PrintCodeCache", "-version");
 102     verifyCodeHeapNotExists(pb, PROFILED, NON_PROFILED);
 103 
 104     // If we stop compilation at CompLevel_none or CompLevel_simple we
 105     // don't need a profiled code heap.
 106     pb = ProcessTools.createJavaProcessBuilder("-XX:+SegmentedCodeCache",
 107                                                "-XX:TieredStopAtLevel=0",
 108                                                "-XX:+PrintCodeCache", "-version");
 109     verifyCodeHeapNotExists(pb, PROFILED);


 110     pb = ProcessTools.createJavaProcessBuilder("-XX:+SegmentedCodeCache",
 111                                                "-XX:TieredStopAtLevel=1",
 112                                                "-XX:+PrintCodeCache", "-version");
 113     verifyCodeHeapNotExists(pb, PROFILED);
 114 
 115     // Fails with too small non-nmethod code heap size
 116     pb = ProcessTools.createJavaProcessBuilder("-XX:NonNMethodCodeHeapSize=100K");
 117     failsWith(pb, "Invalid NonNMethodCodeHeapSize");
 118 
 119     // Fails if code heap sizes do not add up
 120     pb = ProcessTools.createJavaProcessBuilder("-XX:+SegmentedCodeCache",
 121                                                "-XX:ReservedCodeCacheSize=10M",
 122                                                "-XX:NonNMethodCodeHeapSize=5M",
 123                                                "-XX:ProfiledCodeHeapSize=5M",
 124                                                "-XX:NonProfiledCodeHeapSize=5M");
 125     failsWith(pb, "Invalid code heap sizes");
 126 
 127     // Fails if not enough space for VM internal code
 128     pb = ProcessTools.createJavaProcessBuilder("-XX:+SegmentedCodeCache",
 129                                                "-XX:ReservedCodeCacheSize=1700K",