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pypy / how_to_run_the_jitviewer_using_a_nightly_build

## This is an annotated trace of what is required to get jitviewer running on 
## a 64-bit linux machine using a pre-built nightly pypy-c build

# Checkout the jitviewer project itself
hg clone https://bitbucket.org/pypy/jitviewer jitviewer

# Checkout the pypy source into "pypy" (this will be referenced at run-time)
hg clone http://bitbucket.org/pypy/pypy pypy

# Get a copy of virtualenv which works with pypy
wget http://pypi.python.org/packages/source/v/virtualenv/virtualenv-1.5.1.tar.gz
tar -zxvf virtualenv-1.5.1.tar.gz 

# Acquire and unpack a nightly build from:
#     http://buildbot.pypy.org/nightly/trunk/
# look for one which has a reasonably high passed test rate and fits your needs 
# (normally a c-jit version either 32 or 64 bit depending on your platform)
# the version chosen here is just the current one as of the date of writing...
tar -jxvf pypy-c-jit-42452-6898544251a0-linux64.tar.bz2

# Use virtualenv to create a pypy-compatible virtualenv 
# (you should not need to install virtualenv to do this).  
# We tell it to use our pre-built pypy interpreter via the -p flag.
virtualenv-1.5.1/virtualenv.py -p pypy-c-jit-42452-6898544251a0-linux64/bin/pypy jitviewer-env
source jitviewer-env/bin/activate

# install jitviewer and its dependencies
cd jitviewer
python setup.py develop
easy_install flask pygments simplejson

# setup jitviewer environment's path so that it will find all of our modules
cd ../jitviewer-env/lib_pypy/
# link the pypy binary distribution's lib-python into the path
ln -s ../../pypy-c-jit-42452-6898544251a0-linux64/lib-python/
# Link the pypy hg checkout's pypy package into the path
ln -s ../../pypy/pypy

# Now, install the software you want to test into the pypy environment 
# (e.g. by running its setup.py from within the environment).

# Pause while you setup and get things ready to go...

# Generate your log-file to view...
PYPYLOG=jit-log-opt,jit-backend-counts:log pypy-c yourscript.py
# now view the log...
jitviewer.py log 
# which will start a web-server on port 5000 to let you view the trace