--tool=helgrind On Thu, Jul 8, 2010 at 12:30 PM, Stefan Kost <[email protected]> wrote: > hi, > > is anyone aware of a valgrind tool that can help me to debug a deadlock > in a highly threaded program. The programm can easily create hundreds of > threads. > What I am locking for is a tool that tracks for each thread which > mutexes are locked (incl. the strackframe of the lock) and if it is > waiting on a mutex (also including the stackframe). When the app > deadlocks, the collected data can be represented as a directed graph > ("thread -> mutex" for a held lock and "mutex -> thread" for a pending > lock) and one could run Tarjan's strongly connected components algorithm > [1][2] to detect cycles. For each found cycle it could print the > involved threads with the backtraces. > > Stefan > > > [1] > http://en.wikipedia.org/wiki/Tarjan%E2%80%99s_strongly_connected_components_algorithm > [2] http://www.logarithmic.net/pfh/blog/01208083168 > > ------------------------------------------------------------------------------ > This SF.net email is sponsored by Sprint > What will you do first with EVO, the first 4G phone? > Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first > _______________________________________________ > Valgrind-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/valgrind-users > > >
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