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Or >> probably 'perf test' a wrong place to put such selftests? > > Maybe... some kernel internal changes can be tested in the selftest. > > And 'perf test' should work with any kernel versions. Is the test > checking any invalid configs? Probably then it should move to the > selftest so that it can be tied to the fixed kernels and 'perf test' > should only use valid configs. Sure. I'll prepare a patch to move this test from 'perf test' to tools/testing/selftest/. Thanks, Ravi