here is the execution of one backend summary:
System call summary: Average Total
Name #Calls Time(ms) Time(ms)
-----------------------------------------
semop 39305 0.06 2497.53
select 7 19.86 139.01
unlink 1 22.96 22.96
close 49 0.04 2.06
recv 1 0.72 0.72
send 1 0.11 0.11
fsync 1 0.07 0.07
prctl 1 0.01 0.01
exit 1 0.00 0.00
As u can see it's amazing
Thanks and regards