Will Cohen

91 points

Raleigh, North Carolina, USA

William Cohen has been a developer of performance tools at Red Hat for over a decade and has worked on a number of the performance tools in Red Hat Enterprise Linux and Fedora such as OProfile, PAPI, SystemTap, and Dyninst.

Open Enthusiast Author Contributor Club

Authored Content

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How the GDB debugger and other tools use call frame information to determine the active function calls

Get the active function call from your debugger.

magnifying glass on computer screen, finding a bug in the code

Compiler optimization and its effect on debugger line information

Learn how to decipher the output of debugging line information, and what tools you can use to look deeper.

Mapping the program counter back to the function name in your code

This article covers how the mapping between source code and the executable binary is implemented with DWARF.