Posted in Correctness, Valgrind on February 27th, 2009 5 Comments »
(For those who don’t want to read a long post, here’s the short version: if you use Valgrind, make sure you learn about the –track-origins=yes option that was added to version 3.4.0, it will make your life easier.)
Earlier this week, Jesse Ruderman reported a problem found with the Valgrind tool Memcheck:
==56620== Conditional jump or move [...]
Posted in Correctness on February 27th, 2009 Comments Off
People often use the word “bug”. Unfortunately it’s a very imprecise word. “Error” suffers from the same problems. Both of them are used at different times to mean incorrect program code, incorrect program states, and visibly incorrect program behaviour. The conflation of these distinct things inhibits clear thinking and can mask [...]
Posted in Mac OS X, Valgrind on February 17th, 2009 9 Comments »
It’s been a month since I first wrote about my work on the Mac OS X port of Valgrind. In that time I’ve made 85 commits to the DARWIN branch (and a similar number to the trunk).
Here are the current (as of r9192) values of the metrics I defined in the first post as a [...]