"Michel SALAIS" <msalais(at)msym(dot)fr> writes:
> I thaught that total_time (total_exec_time + total_plan_time) included I/O but when we have blk_read_time + blk_write_time equals several times total_time it is difficult to continue to think that...
That's an interesting report, but on the whole I'd be more inclined
to disbelieve the I/O timings than the overall time. Can you create
a reproducible test case where this happens? Also, exactly what
PG version and pg_stat_statements version are you using?
regards, tom lane