[Beowulf] backtraces

Toon Knapen toon.knapen at fft.be
Sun Jun 10 22:32:35 PDT 2007

Interesting indeed. On which platform is this backtrace.so available 
(obtaining backtraces is higly platform dependent AFAIK) ?


Mark Hahn wrote:
> I had a user grumble about how it was not trivial to get a basic 
> backtrace on our clusters.  his jobs tend to be 32-128p,
> and run for a week, so it's not ideal to run them under the debugger.
> turns out to be fairly simple to produce a backtrace.so which can
> be LD_PRELOAD'ed - it contains a constructor which registers a signal 
> handler, which obtains the backtrace and translates and prints the 
> corresponding file:func:line.
> does this sound like something of interest to other HPC sites?
> regards, mark hahn.
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