tkyprof: A web-based visualizer for GHC Profiling Reports

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A web-based visualizer for GHC Profiling Reports

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Versions [faq] 0.0.1, 0.0.2, 0.0.3, 0.0.4,,, 0.0.6,,,,, 0.2.0, 0.2.1,, 0.2.2,
Dependencies aeson (==0.3.*), attoparsec (==0.9.*), attoparsec-enumerator (==0.2.*), base (==4.*), blaze-builder, bytestring (==0.9.*), cmdargs (==0.7.*), containers (<0.5), directory (<2), enumerator (==0.4.*), filepath (>=1.1 && <2), hamlet (>=0.8 && <0.10), mtl (>=1.1 && <3), rosezipper (==0.2.*), stm (<3), template-haskell (<3), text (==0.11.*), time (==1.2.*), transformers (==0.2.*), vector (>=0.6 && <1), wai (==0.4.*), wai-extra (==0.4.*), warp (==0.4.*), web-routes (>=0.23 && <0.26), yesod-core (==0.8.*), yesod-form (==0.1.*), yesod-json (==0.1.*), yesod-static (==0.1.*) [details]
License BSD-3-Clause
Copyright Copyright (C) 2011 Mitsutoshi Aoe
Author Mitsutoshi Aoe
Maintainer Mitsutoshi Aoe <>
Category Development
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Source repo head: git clone
Uploaded by MitsutoshiAoe at 2011-08-18T00:10:13Z
Distributions NixOS:
Executables prof2json, tkyprof
Downloads 9408 total (2 in the last 30 days)
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Docs not available [build log]
All reported builds failed as of 2016-12-27 [all 6 reports]


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Build the production executable.


Build for use with "yesod devel"


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TKYProf is a web-based interactive visualizer for GHC Time and Allocation Profiling Reports. It helps you to find the performance bottlenecks of your code quickly.



  • TKYProf uses some of HTML5 features, but does not support graceful downgrading. You need a modern browser supporting HTML5 and CSS3 for now.
  • TKYProf is written in Haskell. Haskell Platform and Cabal are required.

How to use TKYProf

  1. cabal install tkyprof installs the executable tkyprof.
  2. Run tkyprof on your terminal.
  3. Access http://localhost:3000/.
  4. Drag and drop your profiling reports.
  5. TKYProf draws a pretty chart.



This tool is written and maintained by Mitsutoshi Aoe,