Research and design of instrumentation with no trap
无陷入插装方式的研究与设计*

This paper analyzed and compared some major performance analysis tools first, and then put forward and designed a new performance analysis mode which used instrumentation to made up the insufficiency. This model implemented a quick statistics with no trap by replacing the first instruction of each function to make run-time statistics of all functions. It can greatly improve the efficiency and accuracy of the course of performance analysis when the software contains lots of recursion and function calls.