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ftracetest: Use proper logic to find process PID

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Half of the test in instance-event.tc was updated to use $! to find the PID
of the previous background process that was launched, but the second part of
the test still used the parsing of "jobs", which does not work on all shells
like $! does.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (Red Hat) 2016-05-23 10:04:46 -04:00 committed by Steven Rostedt
parent 8329e818f1
commit 97f8827a8c
1 changed files with 5 additions and 10 deletions
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15
tools/testing/selftests/ftrace/test.d/instances/instance-event.tc
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@ -92,28 +92,23 @@ instance_slam() {
}
instance_slam &
x=`jobs -l`
p1=`echo $x | cut -d' ' -f2`
p1=$!
echo $p1
instance_slam &
x=`jobs -l | tail -1`
p2=`echo $x | cut -d' ' -f2`
p2=$!
echo $p2
instance_slam &
x=`jobs -l | tail -1`
p3=`echo $x | cut -d' ' -f2`
p3=$!
echo $p3
instance_slam &
x=`jobs -l | tail -1`
p4=`echo $x | cut -d' ' -f2`
p4=$!
echo $p4
instance_slam &
x=`jobs -l | tail -1`
p5=`echo $x | cut -d' ' -f2`
p5=$!
echo $p5
ls -lR >/dev/null