diff options
| -rwxr-xr-x | tools/perf/tests/shell/test_event_open_fallback.sh | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/test_event_open_fallback.sh b/tools/perf/tests/shell/test_event_open_fallback.sh new file mode 100755 index 000000000000..9c411153c01b --- /dev/null +++ b/tools/perf/tests/shell/test_event_open_fallback.sh @@ -0,0 +1,86 @@ +#!/bin/bash +# Perf event open fallback test +# SPDX-License-Identifier: GPL-2.0 + +skip_cnt=0 +ok_cnt=0 +err_cnt=0 + +cleanup() +{ + rm -f perf.data + rm -f perf.data.old + trap - EXIT TERM INT +} + +trap_cleanup() +{ + cleanup + exit 1 +} + +trap trap_cleanup EXIT TERM INT + +perf_record() +{ + perf record "$@" -- true 1>/dev/null 2>&1 +} + +test_decrease_precise_ip() +{ + echo "Decrease precise ip test" + + perf list pmu | grep -q 'cycles' || return 2 + + if ! perf_record -e cycles; then + return 2 + fi + + # It should reduce precision level down to 0 if needed. + if ! perf_record -e cycles:P; then + return 1 + fi + return 0 +} + +test_decrease_precise_ip_complicated() +{ + echo "Decrease precise ip test (complicated case)" + + perf list pmu | grep -q 'mem-loads-aux' || return 2 + + if ! perf_record -e '{cpu/mem-loads-aux/S,cpu/mem-loads/PS}'; then + return 1 + fi + return 0 +} + +count_result() +{ + if [ "$1" -eq 2 ] ; then + skip_cnt=$((skip_cnt + 1)) + return + fi + if [ "$1" -eq 0 ] ; then + ok_cnt=$((ok_cnt + 1)) + return + fi + err_cnt=$((err_cnt + 1)) +} + +ret=0 +test_decrease_precise_ip || ret=$? ; count_result $ret ; ret=0 +test_decrease_precise_ip_complicated || ret=$? ; count_result $ret ; ret=0 + +cleanup + +if [ ${err_cnt} -gt 0 ] ; then + exit 1 +fi + +if [ ${ok_cnt} -gt 0 ] ; then + exit 0 +fi + +# Skip +exit 2 |