Instructions:
To make this profiler work, you should compile PostgreSQL from source. I will give you the instructions to do this for the version 9.2 of PostgreSQL, on Ubuntu 12.04. You might have to change some steps for other versions of Linux, or for other versions of PostgreSQL.
Install all dependencies of Postgres
sudo apt-get build-dep postgresql
Install the dependencies of the scripts
sudo apt-get install graphviz libreadline-dev zlib1g-dev pgtune pgagent libpq5 libxslt1-dev
Download, build, and install a custom version of Postgres
wget http://ftp.postgresql.org/pub/source/v9.3.0/postgresql-9.3.0.tar.gz
tar zxvf postgresql-9.3.0.tar.gz
cd postgresql-9.3.0/
CFLAGS="-fno-omit-frame-pointer -rdynamic" ./configure --prefix=/usr/local --enable-debug
make -j$(grep -c ^processor /proc/cpuinfo)
sudo make install
To install pgAdmin, download, build, and install from source
wget http://ftp.postgresql.org/pub/pgadmin3/release/v1.16.1/src/pgadmin3-1.16.1.tar.gz
tar zxvf pgadmin3-1.16.1.tar.gz
cd pgadmin3-1.16.1
./configure --prefix=/usr
make -j$(grep -c ^processor /proc/cpuinfo)
sudo make install
To install the 'perf' profiler and the dependencies
full_version=$(uname -r)
flavour_abi=${full_version#*-}
flavour=${flavour_abi#*-}
version=${full_version%-$flavour}
sudo apt-get install linux-tools-common linux-tools-${version}
For better Postgres performance, you should also consider increasing the default limits for allocating memory (this increases the limits to 2GB):
sudo sysctl -w kernel.shmmax=2147483648
sudo sysctl -w kernel.shmall=2097152
To make these changes permanent, execute the following:
cat <<__EOF | sudo tee -a /etc/sysctl.conf
kernel.shmmax=2147483648
kernel.shmall=2097152
__EOF
You are now ready to create and populate the TPC-H database and the tables:
./tpch_prepare
And after it finishes, run the queries and generate the call graphs:
./tpch_runall_seq
This will create a directory perfdata, and put all the evaluation results in there.
You may also use a custom directory for the performance results, by giving an argument to the tpch_runall_seq:
./tpch_runall_seq my-config
This will create a directory perfdata-my-config and put the results in it.