Currently only testing Linux, but support for other platforms will be added.

Install
-------
make
make install
psql -f pg_proctab.sql
psql -f pg_loadavg.sql
psql -f pg_cputime.sql
psql -f pg_memusage.sql

Examples
--------
SELECT procpid
FROM pg_stat_activity;

SELECT *
FROM pg_proctab();

SELECT *
FROM pg_stat_activity, pg_proctab()
WHERE procpid = pid;