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perf test: Detect off-cpu support from build options
Use perf version to detect whether BPF skeletons were enabled in a build rather than a failing perf record. Signed-off-by: Ian Rogers <irogers@google.com> Tested-by: Namhyung Kim <namhyung@kernel.org> Cc: James Clark <james.clark@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Nick Terrell <terrelln@fb.com> Cc: Patrice Duroux <patrice.duroux@gmail.com> Cc: Nick Desaulniers <ndesaulniers@google.com> Cc: Andrii Nakryiko <andrii@kernel.org> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Cc: Tiezhu Yang <yangtiezhu@loongson.cn> Cc: Tom Rix <trix@redhat.com> Cc: llvm@lists.linux.dev Cc: bpf@vger.kernel.org Link: https://lore.kernel.org/r/20230914211948.814999-6-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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tools/perf/tests/shell/record_offcpu.sh

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@@ -28,7 +28,7 @@ test_offcpu_priv() {
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err=2
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return
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fi
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if perf record --off-cpu -o /dev/null --quiet true 2>&1 | grep BUILD_BPF_SKEL
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if perf version --build-options 2>&1 | grep HAVE_BPF_SKEL | grep -q OFF
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then
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echo "off-cpu test [Skipped missing BPF support]"
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err=2

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