65 lines
960 B
Bash
65 lines
960 B
Bash
#!/bin/sh
|
|
# description: event tracing - enable/disable with top level files
|
|
|
|
do_reset() {
|
|
echo > set_event
|
|
clear_trace
|
|
}
|
|
|
|
fail() { #msg
|
|
do_reset
|
|
echo $1
|
|
exit $FAIL
|
|
}
|
|
|
|
yield() {
|
|
ping localhost -c 1 || sleep .001 || usleep 1 || sleep 1
|
|
}
|
|
|
|
if [ ! -f available_events -o ! -f set_event -o ! -d events ]; then
|
|
echo "event tracing is not supported"
|
|
exit_unsupported
|
|
fi
|
|
|
|
reset_tracer
|
|
do_reset
|
|
|
|
echo '*:*' > set_event
|
|
|
|
yield
|
|
|
|
echo 0 > tracing_on
|
|
|
|
count=`head -n 128 trace | grep -v ^# | wc -l`
|
|
if [ $count -eq 0 ]; then
|
|
fail "none of events are recorded"
|
|
fi
|
|
|
|
do_reset
|
|
|
|
echo 1 > events/enable
|
|
echo 1 > tracing_on
|
|
|
|
yield
|
|
|
|
echo 0 > tracing_on
|
|
count=`head -n 128 trace | grep -v ^# | wc -l`
|
|
if [ $count -eq 0 ]; then
|
|
fail "none of events are recorded"
|
|
fi
|
|
|
|
do_reset
|
|
|
|
echo 0 > events/enable
|
|
|
|
yield
|
|
|
|
count=`cat trace | grep -v ^# | wc -l`
|
|
if [ $count -ne 0 ]; then
|
|
fail "any of events should not be recorded"
|
|
fi
|
|
|
|
do_reset
|
|
|
|
exit 0
|