--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/Xusage.txt Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,24 @@
+ -Xmixed mixed mode execution (default)
+ -Xint interpreted mode execution only
+ -Xbootclasspath:<directories and zip/jar files separated by ;>
+ set search path for bootstrap classes and resources
+ -Xbootclasspath/a:<directories and zip/jar files separated by ;>
+ append to end of bootstrap class path
+ -Xbootclasspath/p:<directories and zip/jar files separated by ;>
+ prepend in front of bootstrap class path
+ -Xnoclassgc disable class garbage collection
+ -Xincgc enable incremental garbage collection
+ -Xloggc:<file> log GC status to a file with time stamps
+ -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
+ -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)
+ -Xshare:on require using shared class data, otherwise fail.
+
+The -X options are non-standard and subject to change without notice.