什么类型的图表最适合可视化争用等线程问题？

While debugging an issue with our system, I have discovered a thread contention that is causing a bottleneck. I need to explain the phenomenon to other people involved in handling this issue. Some of them are not from development team (yet, they are reasonably technical). So what type of diagrams can be used to depict threading issues such as contentions, deadlocks etc? Some examples would be very useful.While debugging an issue with our system, I hav