src/share/vm/Xusage.txt

Thu, 11 Feb 2010 15:52:19 -0800

author
iveresov
date
Thu, 11 Feb 2010 15:52:19 -0800
changeset 1696
0414c1049f15
parent 0
f90c822e73f8
permissions
-rw-r--r--

6923991: G1: improve scalability of RSet scanning
Summary: Implemented block-based work stealing. Moved copying during the rset scanning phase to the main copying phase. Made the size of rset table depend on the region size.
Reviewed-by: apetrusenko, tonyp

aoqi@0 1 -Xmixed mixed mode execution (default)
aoqi@0 2 -Xint interpreted mode execution only
aoqi@0 3 -Xbootclasspath:<directories and zip/jar files separated by ;>
aoqi@0 4 set search path for bootstrap classes and resources
aoqi@0 5 -Xbootclasspath/a:<directories and zip/jar files separated by ;>
aoqi@0 6 append to end of bootstrap class path
aoqi@0 7 -Xbootclasspath/p:<directories and zip/jar files separated by ;>
aoqi@0 8 prepend in front of bootstrap class path
aoqi@0 9 -Xnoclassgc disable class garbage collection
aoqi@0 10 -Xincgc enable incremental garbage collection
aoqi@0 11 -Xloggc:<file> log GC status to a file with time stamps
aoqi@0 12 -Xbatch disable background compilation
aoqi@0 13 -Xms<size> set initial Java heap size
aoqi@0 14 -Xmx<size> set maximum Java heap size
aoqi@0 15 -Xss<size> set java thread stack size
aoqi@0 16 -Xprof output cpu profiling data
aoqi@0 17 -Xfuture enable strictest checks, anticipating future default
aoqi@0 18 -Xrs reduce use of OS signals by Java/VM (see documentation)
aoqi@0 19 -Xcheck:jni perform additional checks for JNI functions
aoqi@0 20 -Xshare:off do not attempt to use shared class data
aoqi@0 21 -Xshare:auto use shared class data if possible (default)
aoqi@0 22 -Xshare:on require using shared class data, otherwise fail.
aoqi@0 23
aoqi@0 24 The -X options are non-standard and subject to change without notice.

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