debugging

4 articles

Debugging Simics — on Simics

By Jakob Engblom I often write and talk about how useful Simics is for debugging concurrency bugs and glitches in multithreaded and multicore systems. Recently, we had a case where we proved this on a very complex application, namely Simics itself. This nicely demonstrated both the recursive completeness of Simics, and its usefulness for conquering tricky bugs in complex software.…

Software at the Toddler Stage

By Jakob Engblom Developing software is an adventure where you explore the unknown, one line of code at a time.  At some point, the program reaches the stage where you can actually run it and try it - and that's where the real fun begins.  The software will sometimes behave as expected, but more often than not it will not.…

Simics 4.6 Initial Impressions

By Jakob Engblom Simics 4.6 is now out, and I would like to share some of my initial impressions of the new version. The most visible new feature is probably the Simics source code debugger in Eclipse.  Source code debug might seem a yawn, but the way it has been integrated with Simics provides some new and unique abilities that at…

Getting Shipped Products Fixed; Service and Repair is Not the Only Option

By Bill Graham We intuitively know that defects in the field are much more expensive than those found in development. In fact, the difference is bigger than you think. If you find a bug in-house you save orders of magnitude in time and money. Unfortunately, the occasional defect does find its way out into the a shipping product and when…