[web-devel] Quitting Yesod
matt at softmechanics.net
Tue Apr 5 23:34:22 CEST 2011
In my experience, the .prof will be written by hitting Ctrl+C once and
waiting (the second one aborts .prof generation). If it looks like it
will never finish, can you get it to do anything without eating all
your ram? How are you testing -- with something like httperf, or
simply a web browser?
On Tue, Apr 5, 2011 at 1:52 PM, Aur Saraf <sonoflilit at gmail.com> wrote:
> I'm trying to profile a yesod app, and it seems like Haskell's
> profiler only writes to file when the program exists. Gracefully. So
> Ctrl+C twice is out of the question.
> What I'm doing:
> $ ~/Downloads/spawn-fcgi-1.6.3/src/spawn-fcgi -n -s /tmp/f.socket --
> ~/projects/f/dist/build/fastcgi/fastcgi +RTS -p
> Then I enter a page that I want to profile.
> Then my system starts swapping because the page takes 100% RAM (I'm
> suspecting a space leak).
> Then I hit Ctrl+C Ctrl+C to quit the yesod program.
> Then I look at fastcgi.prof, and find it empty.
> How can I get profiling info to be written to file? Am I wrong in
> something I'm doing?
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