Hi Patrick, thanks. I'll start digging from your great resource. I'll try using ghc-heap-view on GHCi. Interactive usage is also useful.
Thank you for your kind explanation, Takenobu 2018-07-07 13:05 GMT+09:00 Patrick Dougherty <[email protected]>: > Hello, > > This effort mostly just brought the core of this [1] library into GHC. The > main function you will want to try is `getClosureData`, > which takes any value and returns the heap representation. There are some > tricky aspects about evaluation, but I will refer you to the comments about > `Box`s in [1]. > > As a shameless self-plug, I also wrote a bit about it. The first page is a > brief intro to the heap, and the second is an example demonstrating how to > track down a leaky accumulator. I also link to a few posts that sent me > down this path. > > This doesn't implement all of the functionality of [1], but it pulls in > enough that hopefully it should be a little more stable between GHC > versions. Also, you should be able to recreate many of the functions by > looking at the source of [1] on hackage. > > [1] http://hackage.haskell.org/package/ghc-heap-view-0.5.10/ > docs/GHC-HeapView.html > [2] https://patrickdoc.github.io/heap-view.html > > Best, > Patrick > > P.S. Sorry about using [1] so many times. Both libraries are called > heap-view which makes it a little difficult to distinguish. > > On Friday, July 6, 2018 10:10 PM, Takenobu Tani <[email protected]> > wrote: > > > Dear devs, > > I'm interested in ghc-heap-view of ghc-8.6. [1] > Is there a document on how to use the ghc-heap-view of ghc-8.6? > > [1]: https://ghc.haskell.org/trac/ghc/wiki/Status/GHC-8.6.1# > Landedinmasterbranch > > Regards, > Takenobu > > > _______________________________________________ > ghc-devs mailing list > [email protected] > http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs > > >
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