如果它的执行占用了显著的时间，那么在执行期间应用程序就会冻结。
If its execution takes any noticeable time at all, then the application freezes up during this execution.
在这个报表的结尾处，返回了这些系统调用耗费的总时间，以及执行应用程序所耗费的时间。
At the end of the report, the total time spent in system calls is returned, along with the time spent executing the application.
评估GC的性能影响时，需要检查的最重要的项目是暂停时间和开销：用于进行垃圾收集而不是执行应用程序工作的时间的比例。
When assessing GC's performance effects, the most important items to check are the pause times and the overhead: the proportion of time spent garbage collecting instead of doing application work.
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