Commit d87b2917 authored Jun 27, 2017 by Masami Hiramatsu Committed by Shuah Khan Jun 30, 2017

selftests: ftrace: Use md5sum to take less time of checking logs



Use md5sum so that it takes less time of checking
trace logs update. Since busybox tail/cat takes too
long time to read the trace log, this uses md5sum
to check whether trace log is updated or not.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>

parent d644437a

tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc

+3 −3

Original line number	Diff line number	Diff line
		@@ -103,11 +103,11 @@ if [ $on != "0" ]; then
		fail "Tracing is not off"
		fi

		line1=`cat trace \| tail -1`
		csum1=`md5sum trace`
		sleep $SLEEP_TIME
		line2=`cat trace \| tail -1`
		csum2=`md5sum trace`

		if [ "$line1" != "$line2" ]; then
		if [ "$csum1" != "$csum2" ]; then
		fail "Tracing file is still changing"
		fi

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