[Libunwind-devel] Enhanced backtrace cache

[Jason Evans]

Last April, Lassi Tuura posted a patch series on this list that 
implements fast backtracing.  I enhanced his work to use a dynamically 
sized hash table, and to call user-specified allocation functions rather 
than malloc/free.

These changes allowed me to use the backtrace cache in jemalloc for the 
purposes of heap profiling, ,and the code has been stable for over six 
months now.  I would like to see these patches integrated into 
libunwind, so that the dependent changes to jemalloc can meaningfully be 
committed for a future release.

Thanks,
Jason

trace_cache.tar.bz2
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