1#!/bin/bash 2# test Intel TPEBS counting mode 3# SPDX-License-Identifier: GPL-2.0 4 5set -e 6grep -q GenuineIntel /proc/cpuinfo || { echo Skipping non-Intel; exit 2; } 7 8# Use this event for testing because it should exist in all platforms 9event=cache-misses:R 10 11# Without this cmd option, default value or zero is returned 12echo "Testing without --record-tpebs" 13result=$(perf stat -e "$event" true 2>&1) 14[[ "$result" =~ $event ]] || exit 1 15 16# In platforms that do not support TPEBS, it should execute without error. 17echo "Testing with --record-tpebs" 18result=$(perf stat -e "$event" --record-tpebs -a sleep 0.01 2>&1) 19[[ "$result" =~ "perf record" && "$result" =~ $event ]] || exit 1 20