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