[PATCH against-clowncopter] run-tests: add a --profile option

[Pierre-Yves David]

On 05/14/2015 10:40 AM, Augie Fackler wrote:
> On Wed, May 13, 2015 at 9:00 PM, Pierre-Yves David
> <pierre-yves.david at ens-lyon.org> wrote:
>>
>>
>> On 05/13/2015 05:42 PM, Augie Fackler wrote:
>>>
>>> # HG changeset patch
>>> # User Augie Fackler <augie at google.com>
>>> # Date 1431541326 25200
>>> #      Wed May 13 11:22:06 2015 -0700
>>> # Node ID 21735d2bcefb10605708a1dc640a6cfa590c1361
>>> # Parent  130c305f79910395cbfb73a442cc512605f78bc5
>>> run-tests: add a --profile option
>>>
>>> While in the throes of a recent run-tests adventure, I found it useful
>>> to have profiler output for the testrunner itself. Adding it was
>>> simple enough and seems worth keeping around.
>>
>>
>> Maybe? the amount of option in run-tests.py is already quite scary and one
>> could hope that --profile would give --profile output for the tests
>> themself.
>
> Maybe we should have a --profile-self and --profile-test flag then?
>
> I'm not clear what profiling a test would look like. We'd have to
> implement that, which seems unlikely to happen?

This does not seems so unlikely to me. gathering profile on each Python 
invocation or on the test script performance would not be so hard and 
provide useful information

--profile-self seems fine with me.

-- 
Pierre-Yves David