perf testsuite: Add common setting for shell tests

Add settings defining sample commands later shared by shell tests. This
adds the possibility to globally adjust the default values for the whole
testsuite.
Signed-off-by: Veronika Molnarova <vmolnaro@redhat.com>
Signed-off-by: Michael Petlan <mpetlan@redhat.com>
Cc: kjain@linux.ibm.com
Cc: atrajeev@linux.vnet.ibm.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240215110231.15385-3-mpetlan@redhat.com

tools/perf/tests/shell/common/settings.sh

+# SPDX-License-Identifier: GPL-2.0
+#
+#	settings.sh
+#	Author: Michael Petlan <mpetlan@redhat.com>
+#
+#	Description:
+#
+#		This file contains global settings for the whole testsuite.
+#	Its purpose is to make it easier when it is necessary i.e. to
+#	change the usual sample command which is used in all of the tests
+#	in many files.
+#
+#		This file is intended to be sourced in the tests.
+#
+
+#### which perf to use in the testing
+export CMD_PERF=${CMD_PERF:-`which perf`}
+
+#### basic programs examinated by perf
+export CMD_BASIC_SLEEP="sleep 0.1"
+export CMD_QUICK_SLEEP="sleep 0.01"
+export CMD_LONGER_SLEEP="sleep 2"
+export CMD_DOUBLE_LONGER_SLEEP="sleep 4"
+export CMD_VERY_LONG_SLEEP="sleep 30"
+export CMD_SIMPLE="true"
+
+#### testsuite run mode
+# define constants:
+export RUNMODE_BASIC=0
+export RUNMODE_STANDARD=1
+export RUNMODE_EXPERIMENTAL=2
+# default runmode is STANDARD
+export PERFTOOL_TESTSUITE_RUNMODE=${PERFTOOL_TESTSUITE_RUNMODE:-$RUNMODE_STANDARD}
+
+#### common settings
+export TESTLOG_VERBOSITY=${TESTLOG_VERBOSITY:-2}
+export TESTLOG_FORCE_COLOR=${TESTLOG_FORCE_COLOR:-n}
+export TESTLOG_ERR_MSG_MAX_LINES=${TESTLOG_ERR_MSG_MAX_LINES:-20}
+export TESTLOG_CLEAN=${TESTLOG_CLEAN:-y}
+
+#### other environment-related settings
+export TEST_IGNORE_MISSING_PMU=${TEST_IGNORE_MISSING_PMU:-n}
+
+#### clear locale
+export LC_ALL=C
+
+#### colors
+if [ -t 1 -o "$TESTLOG_FORCE_COLOR" = "yes" ]; then
+	export MPASS="\e[32m"
+	export MALLPASS="\e[1;32m"
+	export MFAIL="\e[31m"
+	export MALLFAIL="\e[1;31m"
+	export MWARN="\e[1;35m"
+	export MSKIP="\e[33m"
+	export MHIGH="\e[1;33m"
+	export MEND="\e[m"
+else
+	export MPASS=""
+	export MALLPASS=""
+	export MFAIL=""
+	export MALLFAIL=""
+	export MWARN=""
+	export MSKIP=""
+	export MHIGH=""
+	export MEND=""
+fi
+
+
+#### test parametrization
+if [ ! -d ./common ]; then
+	# set parameters based on runmode
+	if [ -f ../common/parametrization.$PERFTOOL_TESTSUITE_RUNMODE.sh ]; then
+		. ../common/parametrization.$PERFTOOL_TESTSUITE_RUNMODE.sh
+	fi
+	# if some parameters haven't been set until now, set them to default
+	if [ -f ../common/parametrization.sh ]; then
+		. ../common/parametrization.sh
+	fi
+fi