perf tests evlist: Add basic evlist test

Add test that evlist reports expected events from perf record.

Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>

tools/perf/tests/shell/evlist.sh

@@ -0,0 +1,79 @@
+#!/bin/bash
+# perf evlist tests
+# SPDX-License-Identifier: GPL-2.0
+
+set -e
+
+err=0
+perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
+
+cleanup() {
+	rm -f "${perfdata}"
+	trap - EXIT TERM INT
+}
+
+trap_cleanup() {
+	echo "Unexpected signal in ${FUNCNAME[1]}"
+	cleanup
+	exit 1
+}
+trap trap_cleanup EXIT TERM INT
+
+test_evlist_simple() {
+	echo "Simple evlist test"
+	if ! perf record -e cycles -o "${perfdata}" true 2> /dev/null
+	then
+		echo "Simple evlist [Failed record]"
+		err=1
+		return
+	fi
+	if ! perf evlist -i "${perfdata}" | grep -q "cycles"
+	then
+		echo "Simple evlist [Failed to list event]"
+		err=1
+		return
+	fi
+	echo "Simple evlist test [Success]"
+}
+
+test_evlist_group() {
+	echo "Group evlist test"
+	if ! perf record -e "{cycles,instructions}" -o "${perfdata}" true 2> /dev/null
+	then
+		echo "Group evlist [Skipped event group recording failed]"
+		return
+	fi
+
+	if ! perf evlist -i "${perfdata}" -g | grep -q "{.*cycles.*,.*instructions.*}"
+	then
+		echo "Group evlist [Failed to list event group]"
+		err=1
+		return
+	fi
+	echo "Group evlist test [Success]"
+}
+
+test_evlist_verbose() {
+	echo "Event configuration evlist test"
+	if ! perf record -e cycles -o "${perfdata}" true 2> /dev/null
+	then
+		echo "Event configuration evlist [Failed record]"
+		err=1
+		return
+	fi
+
+	if ! perf evlist -i "${perfdata}" -v | grep -q "config:"
+	then
+		echo "Event configuration evlist [Failed to list verbose info]"
+		err=1
+		return
+	fi
+	echo "Event configuration evlist test [Success]"
+}
+
+test_evlist_simple
+test_evlist_group
+test_evlist_verbose
+
+cleanup
+exit $err