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  1. JDK
  2. JDK-8323795

jcmd Compiler.codecache should print total size of code cache

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        CodeHeap 'non-profiled nmethods': size=118592Kb used=29Kb max_used=29Kb free=118562Kb
         bounds [0x00007fbe84622000, 0x00007fbe84892000, 0x00007fbe8b9f2000]
        CodeHeap 'profiled nmethods': size=118588Kb used=80Kb max_used=80Kb free=118507Kb
         bounds [0x00007fbe7c9f2000, 0x00007fbe7cc62000, 0x00007fbe83dc1000]
        CodeHeap 'non-nmethods': size=8580Kb used=1258Kb max_used=1834Kb free=7321Kb
         bounds [0x00007fbe83dc1000, 0x00007fbe84031000, 0x00007fbe84622000]
         total_blobs=474 nmethods=87 adapters=293
         compilation: enabled
                      stopped_count=0, restarted_count=0
         full_count=0


        It's better to accumulates total size of used/free/size, for example

        CodeHeap 'non-profiled nmethods': size=118592Kb used=29Kb max_used=29Kb free=118562Kb
         bounds [0x00007fbe84622000, 0x00007fbe84892000, 0x00007fbe8b9f2000]
        CodeHeap 'profiled nmethods': size=118588Kb used=80Kb max_used=80Kb free=118507Kb
         bounds [0x00007fbe7c9f2000, 0x00007fbe7cc62000, 0x00007fbe83dc1000]
        CodeHeap 'non-nmethods': size=8580Kb used=1258Kb max_used=1834Kb free=7321Kb
         bounds [0x00007fbe83dc1000, 0x00007fbe84031000, 0x00007fbe84622000]
         total_blobs=474 nmethods=87 adapters=293
         compilation: enabled
                      stopped_count=0, restarted_count=0
         full_count=0
        Total CodeHeap:
         size=245760Kb, used=1367Kb, max used=1943Kb, free=244390Kb

              yyang Yi Yang
              yyang Yi Yang
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                Created:
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