src/share/vm/Xusage.txt

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      -Xlog:<opts>      control JVM logging, use -Xlog:help for details
      -Xbatch           disable background compilation
      -Xms<size>        set initial Java heap size
      -Xmx<size>        set maximum Java heap size
      -Xss<size>        set java thread stack size
-     -Xprof            output cpu profiling data (deprecated)
      -Xfuture          enable strictest checks, anticipating future default
      -Xrs              reduce use of OS signals by Java/VM (see documentation)
      -Xcheck:jni       perform additional checks for JNI functions
      -Xshare:off       do not attempt to use shared class data
      -Xshare:auto      use shared class data if possible (default)
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