[Haskell-cafe] Getting the profile results for GHC when running in Cabal.

[Artem Pelenitsyn]

Hey Sean,

You may find this recent discussion on ghc-devs relevant:

https://mail.haskell.org/pipermail/ghc-devs/2020-April/018763.html

Admittedly, it doesn't seem to answer your particular question. But it
might make you consider other ways to check performance.

--
Best, Artem


On Sat, Apr 25, 2020, 6:18 AM Sean Parsons <haskellcafe at futurenotfound.com>
wrote:

> Hi there.
>
> I've built a GHC with profiling enabled as guided by the wiki and that
> works fine standalone. I found the option for specifying a certain GHC
> to Cabal. But I'm a little baffled as to how to get the results of the
> GHC profile when building a library with Cabal.
>
> My goal is to try to get a baseline profile, then have a poke at the
> innards of GHC and then see if whatever I've changed has made an
> improvement to the build speed.
>
> Does anyone have any idea what the best way to do that is?
>
> Thanks,
> Sean.
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