perf testsuite: Fix shellcheck warnings

Shellcheck is becoming a standard when building perf to prevent
any unnecessary mistakes. Fix shellcheck warnings in perf testsuite.
Signed-off-by: Veronika Molnarova <vmolnaro@redhat.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240702110849.31904-5-vmolnaro@redhat.comSigned-off-by: Michael Petlan <mpetlan@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

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

@@ -26,8 +26,8 @@ print_results()
 	PERF_RETVAL="$1"; shift
 	CHECK_RETVAL="$1"; shift
 	FAILURE_REASON=""
-	TASK_COMMENT="$@"
-	if [ $PERF_RETVAL -eq 0 -a $CHECK_RETVAL -eq 0 ]; then
+	TASK_COMMENT="$*"
+	if [ $PERF_RETVAL -eq 0 ] && [ $CHECK_RETVAL -eq 0 ]; then
 		_echo "$MPASS-- [ PASS ] --$MEND $TEST_NAME :: $THIS_TEST_NAME :: $TASK_COMMENT"
 		return 0
 	else
@@ -56,7 +56,7 @@ print_overall_results()
 
 print_testcase_skipped()
 {
-	TASK_COMMENT="$@"
+	TASK_COMMENT="$*"
 	_echo "$MSKIP-- [ SKIP ] --$MEND $TEST_NAME :: $THIS_TEST_NAME :: $TASK_COMMENT :: testcase skipped"
 	return 0
 }
@@ -69,7 +69,7 @@ print_overall_skipped()
 
 print_warning()
 {
-	WARN_COMMENT="$@"
+	WARN_COMMENT="$*"
 	_echo "$MWARN-- [ WARN ] --$MEND $TEST_NAME :: $THIS_TEST_NAME :: $WARN_COMMENT"
 	return 0
 }

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

@@ -45,7 +45,7 @@ export TEST_IGNORE_MISSING_PMU=${TEST_IGNORE_MISSING_PMU:-n}
 export LC_ALL=C
 
 #### colors
-if [ -t 1 -o "$TESTLOG_FORCE_COLOR" = "yes" ]; then
+if [ -t 1 ] || [ "$TESTLOG_FORCE_COLOR" = "yes" ]; then
 	export MPASS="\e[32m"
 	export MALLPASS="\e[1;32m"
 	export MFAIL="\e[31m"
@@ -68,15 +68,15 @@ fi
 ### general info
 DIR_PATH=`dirname "$(readlink -e "$0")"`
 
-export TEST_NAME=`basename $DIR_PATH | sed 's/base/perf/'`
-export MY_ARCH=`arch`
+TEST_NAME=`basename $DIR_PATH | sed 's/base/perf/'`; export TEST_NAME
+MY_ARCH=`arch`; export MY_ARCH
 
 # storing logs and temporary files variables
 if [ -n "$PERFSUITE_RUN_DIR" ]; then
 	# when $PERFSUITE_RUN_DIR is set to something, all the logs and temp files will be placed there
 	# --> the $PERFSUITE_RUN_DIR/perf_something/examples and $PERFSUITE_RUN_DIR/perf_something/logs
 	#     dirs will be used for that
-	export PERFSUITE_RUN_DIR=`readlink -f $PERFSUITE_RUN_DIR`
+	PERFSUITE_RUN_DIR=`readlink -f $PERFSUITE_RUN_DIR`; export PERFSUITE_RUN_DIR
 	export CURRENT_TEST_DIR="$PERFSUITE_RUN_DIR/$TEST_NAME"
 	export MAKE_TARGET_DIR="$CURRENT_TEST_DIR/examples"
 	export LOGS_DIR="$CURRENT_TEST_DIR/logs"
@@ -93,6 +93,7 @@ fi
 if [ ! -d ./common ]; then
 	# set parameters based on runmode
 	if [ -f ../common/parametrization.$PERFTOOL_TESTSUITE_RUNMODE.sh ]; then
+		# shellcheck source=/dev/null
 		. ../common/parametrization.$PERFTOOL_TESTSUITE_RUNMODE.sh
 	fi
 	# if some parameters haven't been set until now, set them to default