在Java8Update45中，将这些选项添加到java调用中:-XX:+PrintGCApplicationStoppedTime-XX:+PrintSafepointStatistics-XX:PrintSafepointStatisticsCount=1显示如下统计信息:vmop[threads:totalinitially_runningwait_to_block][time:spinblocksynccleanupvmop]page_trap_count3679.229:novmoperation[7212][60160601600]12015-05-22T11:25:27.