An efficient multi-level trace toolkit for multi-threaded applications

Nowadays, observing and understanding the behavior and performance of a multi-threaded application is a nontrivial task, especially within a complex multi-threaded environment such as a multi-level thread scheduler. In this paper, we present a trace toolkit that allows programmers to precisely analyze the behavior of a multi-threaded application. Running an application through this toolkit generates several traces which are merged and analyzed offline. The resulting super-trace contains not only classical information but also detailed informations about thread scheduling at multiple levels.