1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/Xusage.txt Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,24 @@
1.4 + -Xmixed mixed mode execution (default)
1.5 + -Xint interpreted mode execution only
1.6 + -Xbootclasspath:<directories and zip/jar files separated by ;>
1.7 + set search path for bootstrap classes and resources
1.8 + -Xbootclasspath/a:<directories and zip/jar files separated by ;>
1.9 + append to end of bootstrap class path
1.10 + -Xbootclasspath/p:<directories and zip/jar files separated by ;>
1.11 + prepend in front of bootstrap class path
1.12 + -Xnoclassgc disable class garbage collection
1.13 + -Xincgc enable incremental garbage collection
1.14 + -Xloggc:<file> log GC status to a file with time stamps
1.15 + -Xbatch disable background compilation
1.16 + -Xms<size> set initial Java heap size
1.17 + -Xmx<size> set maximum Java heap size
1.18 + -Xss<size> set java thread stack size
1.19 + -Xprof output cpu profiling data
1.20 + -Xfuture enable strictest checks, anticipating future default
1.21 + -Xrs reduce use of OS signals by Java/VM (see documentation)
1.22 + -Xcheck:jni perform additional checks for JNI functions
1.23 + -Xshare:off do not attempt to use shared class data
1.24 + -Xshare:auto use shared class data if possible (default)
1.25 + -Xshare:on require using shared class data, otherwise fail.
1.26 +
1.27 +The -X options are non-standard and subject to change without notice.
