1. A method, comprising: debugging a parallel application having a kernel including a plurality of thread groups each having a thread group vector and a plurality of threads each having a thread vector; determining debugger information during a break state from a notion of a current thread and a current stack frame; and presenting coalesced thread information of the plurality of threads based the debugger information in accordance with user controllable criteria including a selected kernel, a selected thread group vector, and a selected thread vector.