Messages in this thread | | | From | "Paolo Ciarrocchi" <> | Date | Thu, 01 May 2003 03:57:48 +0800 | Subject | [BUG ? in 2.5.68] time and sleep... |
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Hi all, I dunno if what I'm reporting is a real problem or not... I was playing with both the time and sleep command, I wrote a simple script like the following
for i in `seq 1 1 600`; do time sleep 1 done;
Then I've run it in background and then I've run 'dbench 32'.
As soon as dbench finis its work I've killed the process in background.
The script was redirected to a file, this is the result of a simple cat file.txt|grep elapsed|cut -d " " -f 3
0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.16elapsed <- 0:02.84elapsed <- 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.48elapsed <- 0:04.86elapsed <- 0:01.00elapsed 0:01.02elapsed 0:01.02elapsed 0:01.00elapsed 0:01.02elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.01elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.01elapsed 0:01.00elapsed 0:01.00elapsed 0:01.01elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.03elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.02elapsed 0:01.01elapsed 0:01.00elapsed 0:01.55elapsed <- 0:01.02elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.02elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.06elapsed 0:01.02elapsed 0:01.00elapsed 0:01.04elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.19elapsed <- 0:01.00elapsed <- 0:02.46elapsed <- 0:01.27elapsed <- 0:01.03elapsed <- 0:01.07elapsed <- 0:08.20elapsed <- 0:02.88elapsed <- 0:09.24elapsed <- 0:01.00elapsed 0:05.11elapsed <- 0:07.08elapsed <- 0:10.69elapsed <- 0:03.06elapsed <- 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed 0:01.00elapsed [...]
So in a few cases sleep 1 seems to last for a few seconds.
Is it OK ?
Kernel is 2.5.68 preemption on.
Ciao, Paolo
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