On Fri, 2011-02-25 at 08:04 +0000, Maier, Uwe wrote: > During the execution of your request I stumbled upon the following output: ...
I can reproduce that with this: terminal 1: $ cat /dev/zero > foo & sleep 10s ; kill %1 ; rm -f foo terminal 2: $ iotop -b | grep 'cat /dev' | grep -v grep 12706 be/4 pabs 0.00 B/s 0.00 B/s 0.00 % 0.00 % cat /dev/zero 12706 be/4 pabs 0.00 B/s 596.83 M/s 0.00 % 27.93 % cat /dev/zero 12706 be/4 pabs 0.00 B/s 76.44 M/s 0.00 % 90.68 % cat /dev/zero 12706 be/4 pabs 0.00 B/s 91.47 M/s 0.00 % 91.53 % cat /dev/zero 12706 be/4 pabs 0.00 B/s 94.96 M/s 0.00 % 91.16 % cat /dev/zero 12706 be/4 pabs 0.00 B/s 90.48 M/s 0.00 % 91.51 % cat /dev/zero 12706 be/4 pabs 0.00 B/s 79.63 M/s 0.00 % 91.95 % cat /dev/zero 12706 be/4 pabs 0.00 B/s 91.01 M/s 0.00 % 90.92 % cat /dev/zero 12706 be/4 pabs 0.00 B/s 87.34 M/s 0.00 % 92.27 % cat /dev/zero 12706 be/4 pabs 0.00 B/s 22.77 M/s 0.00 % 20.80 % cat /dev/zero 12706 be/4 pabs 0.00 B/s 0.00 B/s 0.00 % 0.00 % cat /dev/zero 12706 be/4 pabs 0.00 B/s 0.00 B/s 0.00 % 0.00 % cat /dev/zero 12706 be/4 pabs 0.00 B/s 0.00 B/s 0.00 % 0.00 % cat /dev/zero 12706 be/4 pabs 0.00 B/s 0.00 B/s 0.00 % 0.00 % cat /dev/zero 12706 be/4 pabs 0.00 B/s 0.00 B/s 0.00 % 0.00 % cat /dev/zero 12706 be/4 pabs 0.00 B/s 0.00 B/s 0.00 % 0.00 % cat /dev/zero > So it's the first shot which fails. > Since I intended to call "iotop -b -n1 -P" in my usage scenario I will be hit > by that bad first line. I can't reproduce it with this: cat /dev/zero > foo & sleep 10s ; iotop -b -n1 -P ; kill %1 ; rm -f foo > The first screen is always wrong btw. Even without -b (e.g. "iotop -d60"). I can't reproduce it with this: cat /dev/zero > foo & sleep 10s ; iotop -d60 ; kill %1 ; rm -f foo -- bye, pabs http://wiki.debian.org/PaulWise
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