On Wed, Aug 13, 2014 at 5:02 PM, Johan Tibell wrote: > Hi, > > How's the integration of DWARF support coming along? It's probably > one of the most important improvements to the runtime in quite some > time since unlocks *two* important features, namely > > * trustworthy profiling (using e.g. Linux perf events and other > low-overhead, code preserving, sampling profilers), and > * stack traces. > > The former is really important to move our core libraries > performance up a notch. Right now -prof is too invasive for it to be > useful when evaluating the hotspots in these libraries (which are > already often heavily tuned). > > The latter one is really important for real life Haskell on the > server, where you can sometimes can get some crash that only happens > once a day under very specific conditions. Knowing where the crash > happens is then *very* useful.
Doesn't it also enable using gdb and lldb, or is there another missing piece? _______________________________________________ ghc-devs mailing list [email protected] http://www.haskell.org/mailman/listinfo/ghc-devs
