The system achieves the performance profiling about the virtual machine instance of Java application inspected by itself.
其中,系统利用JVMTIJava接口实现了对监视的Java应用程序的虚拟机实例的性能剖析。
参考来源 - 基于JVMTI的实时性能剖析系统的研究与应用·2,447,543篇论文数据，部分数据来源于NoteExpress
我们从LLVM中得到了很好的输出，尤其是在使用我们的性能剖析器的时候。
We're getting great output from LLVM, especially using our type profiling work.
有些缺失的功能是需要VM支持，例如设置和捕捉断点以及相关功能，当然还有性能剖析器。
Missing are features that need VM support, such as setting or catching breakpoints and related functionality, as well as profiling
并且它们只有在数据库管理员在系统具有性能问题时在系统上运行查询剖析器时才会出现。
And they only appear when the database administrator runs a query profiler on your system when it has performance problems.
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