test: add a script for multiplex pipeline stress test

This script is used for simultaneous playback/capture test on
arbitrary multiple pipelines.

Signed-off-by: Zhang Keqiao <keqiao.zhang@linux.intel.com>

tools/test/qa/tests/stability_test/multiplex_pipeline-test.sh

@@ -0,0 +1,95 @@
+#!/bin/bash
+# Simple script for simultaneous multiplex pipeline testing
+
+# Copyright (c) 2016, Intel Corporation
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#   * Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+#   * Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#   * Neither the name of the Intel Corporation nor the
+#     names of its contributors may be used to endorse or promote products
+#     derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# Author: Keqiao Zhang <keqiao.zhang@linux.intel.com>
+#
+
+NUMBER=$#	# number of test pipeline
+PARAMS=$@	# name of test pipeline
+MAXLOOPS=1000	# loop number
+FORMATE=s16_le	# sample formate
+CHANNEL=2	# test channel number
+FREQENCY=48000	# sample frequency
+T_TIME=3	# time for each test
+INTERVAL=0.5	# internal time for each cycle
+
+
+pipeline_test()
+{
+	index=0
+	# start pipeline
+	for i in $PARAMS
+	do
+		arg=$i
+		pcmid=`echo $arg| cut -c 4`
+		test_type=`echo $arg| cut -c 5`
+		if [[ $test_type == 'p' || $test_type == "P" ]]; then
+			cmd=aplay
+			data=/dev/zero
+		elif [[ $test_type == 'c' || $test_type == "C" ]]; then
+			cmd=arecord
+			data=/dev/null
+		else
+			echo "Wrong parameters, should be pcm0p/pcm0c ..."
+			exit 1
+		fi
+
+		# run pipeline
+		$cmd -Dhw:0,$pcmid -f $FORMATE -c $CHANNEL -r $FREQENCY $data &
+		PID[$index]=$!
+		let index++
+	done
+
+	sleep $T_TIME
+
+	# stop pipeline
+	for i in ${PID[*]}
+	do
+		kill ${i}
+		if [ $? -ne 0 ];then
+			echo "Stop pipeline failure."
+			exit 1
+		fi
+	done
+}
+
+# run test
+if [ $# == 0 ]; then
+	echo "Usage:./multiplex-pipeline-test.sh '\$pipeline1' '\$pipeline2'.."
+	echo "eg. ./multiple-pipeline-test.sh pcm1p pcm1c"
+	echo "it will check playback and capture on pcm1 at same time"
+	exit 1
+fi
+
+for i in $(seq 1 $MAXLOOPS)
+do
+	echo "Test: $i"
+	pipeline_test
+	sleep $INTERVAL
+done