Por que a versão mais recente do sys-stat não mostra valores médios após o kill ..?

Question

A saída antiga dos meus registros que mostra valores médios após ctrl + c

#pidstat 1 -p 'pgrep bgpd'
Linux 3.16.7-gd1a374d-dellz9100on (rtr1)        Tuesday 29 May 2018     _x86_64_        (4 CPU)

05:07:01  UTC   UID       PID    %usr %system  %guest    %CPU   CPU  Command

05:07:07  UTC     0      2144    0.00    0.00    0.00    0.00     2  bgpd
05:07:08  UTC     0      2144    0.00    0.00    0.00    0.00     2  bgpd
05:07:09  UTC     0      2144    0.00    0.00    0.00    0.00     2  bgpd
05:07:10  UTC     0      2144    0.00    0.00    0.00    0.00     2  bgpd
05:07:11  UTC     0      2144    0.00    0.00    0.00    0.00     2  bgpd
05:07:12  UTC     0      2144    0.00    0.00    0.00    0.00     2  bgpd
^C
Average:        0      2144    0.09    0.00    0.00    0.09     -  bgpd

Agora não está mostrando valores médios

# pidstat 1 -p 'pgrep bgpd'
    Linux 3.16.7-gd1a374d-dellz9100on (rtr1)        06/13/18        _x86_64_        (4 CPU)

    07:32:51          PID    %usr %system  %guest    %CPU   CPU  Command
    07:32:56         2144    0.00    0.00    0.00    0.00     0  bgpd
    07:32:57         2144    0.00    0.00    0.00    0.00     1  bgpd
    07:32:58         2144    0.00    0.00    0.00    0.00     1  bgpd
    ^C
 #

Versão do pidstat

root@rtr1:/home/ocnos# pidstat -V
sysstat version 10.0.5
(C) Sebastien Godard (sysstat <at> orange.fr)
root@rtr1:/home/ocnos#