Usage:

pgstat [OPTIONS] [delay [count]]

General options:

-f FILTER

include only this object

-H

display human-readable values

-n

do not redisplay header

-s STAT

stats to collect

-v

verbose

-?|--help

show this help, then exit

-V|--version

output version information, then exit

Connection options:

-h HOSTNAME

database server host or socket directory

-p PORT

database server port number

-U USER

connect as specified database user

-d DBNAME

database to connect to

The default stat is pg_stat_bgwriter, but you can change it with the -s command line option, and one of its value (STAT):

* archiver

for pg_stat_archiver

* bgwriter

for pg_stat_bgwriter

* connection

(only for > 9.1)

* database

for pg_stat_database

* table

for pg_stat_all_tables

* tableio

for pg_statio_all_tables

* index

for pg_stat_all_indexes

* function

for pg_stat_user_function

* statement

for pg_stat_statements (needs the extension)

* xlog

for xlog writes (only for > 9.2)

* tempfile

for temporary file usage

* pbpools

for pgBouncer pools statistics

* pbstats

for pgBouncer statistics