By benchmark:
_201_compress marksweep
_202_jess marksweep
_205_raytrace marksweep
_209_db marksweep
_213_javac marksweep
_227_mtrt marksweep
_228_jack marksweep
pseudojbb marksweep
antlr marksweep
bloat marksweep
fop marksweep
hsqldb marksweep
jython marksweep
pmd marksweep
ps marksweep
xalan marksweep
geomean marksweep

By metric:
time marksweep
time.mu marksweep
time.gc marksweep
GC marksweep