[GHC] #14006: Heap profiling ghc gives hp2ps error

[GHC]

#14006: Heap profiling ghc gives hp2ps error
-------------------------------------+-------------------------------------
        Reporter:  dfeuer            |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.4.1
       Component:  Runtime System    |              Version:  8.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Debugging         |  Unknown/Multiple
  information is incorrect           |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #11645            |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Description changed by bgamari:

Old description:

> Running GHC with heap profiling and then running `hp2ps` on the result
> gives
>
> {{{
> hp2ps: ghc-stage2.hp, line 17405, samples out of sequence
> }}}
>
> Reproduction (GHC commit 4700baaf8f9bf3c44a53a595d840c7c14cfd6f98)
>
> {{{
> cabal unpack skylighting-0.1.1.5
> cd skylighting-0.1.1.5
> cabal configure --with-ghc=$HOME/src/ghc-clean-july12/inplace/bin/ghc-
> stage2 \
> --enable-profiling -fexecutable
> cabal build
> touch src/Skylighting/Syntax/Php.hs
>
> /home/dfeuer/src/ghc-clean-july12/inplace/bin/ghc-stage2 --make -i \
> -isrc -idist/build -O -prof -fprof-auto-exported -osuf p_o -hisuf \
> p_hi -optPdist/build/autogen/cabal_macros.h -hide-all-packages \
> -package-db dist/package.conf.inplace -package-id aeson-1.2.1.0 \
> -package base-4.10.0.0 -package blaze-html-0.9.0.1 -package \
> bytestring-0.10.8.2 -package case-insensitive-1.2.0.10 -package \
> containers-0.5.10.2 -package directory-1.3.0.2 -package \
> filepath-1.4.1.2 -package hxt-9.3.1.16 -package mtl-2.2.1 -package \
> regex-pcre-builtin-0.94.4.8.8.35 -package safe-0.3.15 -package \
> text-1.2.2.2 -package utf8-string-1.0.1.1 -XHaskell2010 \
> Skylighting.Types Skylighting.Regex \
> Skylighting.Tokenizer Skylighting.Syntax.Php -j1 +RTS \
> -s -h -N1
>
> hp2ps ghc-stage2.hp
> }}}

New description:

 Running GHC with heap profiling and then running `hp2ps` on the result
 gives

 {{{
 hp2ps: ghc-stage2.hp, line 17405, samples out of sequence
 }}}

 Reproduction (GHC commit 4700baaf8f9bf3c44a53a595d840c7c14cfd6f98)

 {{{
 cabal unpack skylighting-0.1.1.5
 cd skylighting-0.1.1.5
 cabal install --enable-profiling --only-dependencies  -fexecutable
 cabal configure --with-ghc=$HOME/src/ghc-clean-july12/inplace/bin/ghc-
 stage2 \
 --enable-profiling -fexecutable
 cabal build
 touch src/Skylighting/Syntax/Php.hs

 /home/dfeuer/src/ghc-clean-july12/inplace/bin/ghc-stage2 --make -i \
 -isrc -idist/build -O -prof -fprof-auto-exported -osuf p_o -hisuf \
 p_hi -optPdist/build/autogen/cabal_macros.h -hide-all-packages \
 -package-db dist/package.conf.inplace -package-id aeson-1.2.1.0 \
 -package base-4.10.0.0 -package blaze-html-0.9.0.1 -package \
 bytestring-0.10.8.2 -package case-insensitive-1.2.0.10 -package \
 containers-0.5.10.2 -package directory-1.3.0.2 -package \
 filepath-1.4.1.2 -package hxt-9.3.1.16 -package mtl-2.2.1 -package \
 regex-pcre-builtin-0.94.4.8.8.35 -package safe-0.3.15 -package \
 text-1.2.2.2 -package utf8-string-1.0.1.1 -XHaskell2010 \
 Skylighting.Types Skylighting.Regex \
 Skylighting.Tokenizer Skylighting.Syntax.Php -j1 +RTS \
 -s -h -N1

 hp2ps ghc-stage2.hp
 }}}

--

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14006#comment:3>
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