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Some shell tests compete for resources and so can't run with other tests, tag such tests. The "(exclusive)" stems from shared/exclusive to describe how the tests run as if holding a lock. For ARM/coresight tests: Suggested-by: James Clark <james.clark@linaro.org> Additional failing tests: Suggested-by: Namhyung Kim <namhyung@kernel.org> Tested-by: James Clark <james.clark@linaro.org> Signed-off-by: Ian Rogers <irogers@google.com> Cc: Colin Ian King <colin.i.king@gmail.com> Cc: Howard Chu <howardchu95@gmail.com> Cc: Weilin Wang <weilin.wang@intel.com> Cc: Ilya Leoshkevich <iii@linux.ibm.com> Cc: Thomas Richter <tmricht@linux.ibm.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Dapeng Mi <dapeng1.mi@linux.intel.com> Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Veronika Molnarova <vmolnaro@redhat.com> Link: https://lore.kernel.org/r/20241025192109.132482-6-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
23 lines
848 B
Bash
Executable File
23 lines
848 B
Bash
Executable File
#!/bin/bash
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# test Intel TPEBS counting mode (exclusive)
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# SPDX-License-Identifier: GPL-2.0
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set -e
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grep -q GenuineIntel /proc/cpuinfo || { echo Skipping non-Intel; exit 2; }
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# Use this event for testing because it should exist in all platforms
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event=cache-misses:R
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# Hybrid platforms output like "cpu_atom/cache-misses/R", rather than as above
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alt_name=/cache-misses/R
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# Without this cmd option, default value or zero is returned
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#echo "Testing without --record-tpebs"
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#result=$(perf stat -e "$event" true 2>&1)
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#[[ "$result" =~ $event || "$result" =~ $alt_name ]] || exit 1
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# In platforms that do not support TPEBS, it should execute without error.
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echo "Testing with --record-tpebs"
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result=$(perf stat -e "$event" --record-tpebs -a sleep 0.01 2>&1)
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[[ "$result" =~ "perf record" && "$result" =~ $event || "$result" =~ $alt_name ]] || exit 1
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