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- #!/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
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