Oh, actually it's so easy. Thanks. ------ With best regards, Alexander Korotkov.
On Thu, Jun 16, 2011 at 10:26 PM, Heikki Linnakangas < heikki.linnakan...@enterprisedb.com> wrote: > On 16.06.2011 21:13, Alexander Korotkov wrote: > >> My current idea is to measure number of IO accesses by pg_stat_statements >> and measure CPU usage by /proc/PID/stat. Any thoughts? >> > > Actually, you get both of those very easily with: > > set log_statement_stats=on > > LOG: QUERY STATISTICS > DETAIL: ! system usage stats: > ! 0.000990 elapsed 0.000000 user 0.000000 system sec > ! [0.000000 user 0.008000 sys total] > ! 0/0 [32/0] filesystem blocks in/out > ! 0/0 [0/959] page faults/reclaims, 0 [0] swaps > ! 0 [0] signals rcvd, 0/0 [0/0] messages rcvd/sent > ! 0/0 [10/1] voluntary/involuntary context switches > STATEMENT: SELECT generate_series(1,100); > > > > -- > Heikki Linnakangas > EnterpriseDB http://www.enterprisedb.com >
