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kernel_arpi/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc
Masami Hiramatsu cec3adf5f5 selftests/ftrace: Use loopback address instead of localhost
Use raw loopback address instead of localhost, because
"localhost" can depend on nsswitch and in some case
we can not resolve the localhost.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
2018-10-24 14:49:35 -06:00

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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# description: event tracing - enable/disable with subsystem level files
# flags: instance
do_reset() {
echo > set_event
clear_trace
}
fail() { #msg
echo $1
exit_fail
}
if [ ! -f set_event -o ! -d events/sched ]; then
echo "event tracing is not supported"
exit_unsupported
fi
echo 'sched:*' > set_event
yield
count=`cat trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l`
if [ $count -lt 3 ]; then
fail "at least fork, exec and exit events should be recorded"
fi
do_reset
echo 1 > events/sched/enable
yield
count=`cat trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l`
if [ $count -lt 3 ]; then
fail "at least fork, exec and exit events should be recorded"
fi
do_reset
echo 0 > events/sched/enable
yield
count=`cat trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l`
if [ $count -ne 0 ]; then
fail "any of scheduler events should not be recorded"
fi
exit 0