launchpad-dev team mailing list archive

[John Arbash Meinel <john@xxxxxxxxxxxxxxxxx>]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Maris Fogels wrote:
> Hi everyone,
> 
> During the Epic Robert and I coded up and landed a patch that generates
> KCacheGrind profiles for launchpad requests.  KCacheGrind is a powerful
> tool for exploring call graphs, and this change should make it easier to
> see what pieces of Python are taking the most time to run.
> 
> To switch on profiling, add this to
> configs/development/launchpad-lazr.conf:
> 
> 
>     [profiling]
>     profile_requests: True
> 
> 
> Then start the dev app server with 'make run', and use curl or wget to
> make *one* request to the URL you want:
> 
>     $ make run
> 
>     $ curl -k https://launchpad.dev/
> 
>     $ kcachegrind
> 2010-07-20_10\:01\:46.680-RootObject\:index.html-OOPS-1662X1-Dummy-2.prof
> 

This is a neat start. Obviously ++profile++ even on some sort of staging
would be more useful just because of the size of data. Anyway, how does
it know what directory to dump the profile to? Just wherever 'make run'
was issued?

John
=:->

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.9 (Cygwin)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

iEYEARECAAYFAkxFv10ACgkQJdeBCYSNAANKogCdG1NumTu968kzxKCksfO++7dp
JcgAn2ziOzHsvObBWw2HgqqznR7j7w+i
=cMXs
-----END PGP SIGNATURE-----