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.
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.
视图显示应用程序执行时间的统计结果(见图22)。
The execution statistics view displays statistics about the application execution time (Figure 22).
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