On Wed, 8 Jun 2022 08:59:50 -0700 Andrii Nakryiko <andrii.nakryiko@xxxxxxxxx> wrote: > Would it be possible to preprocess ftrace_pages to remove such invalid > records (so that by the time we have to report > available_filter_functions there are no invalid records)? Or that data > is read-only when kernel is running? It's possible, but will be time consuming (slow down boot up) and racy. In other words, I didn't feel it was worth it. We can add it. How much of an issue is it to have these place holders for you? Currently, I only see it causes issues with tests. Is it really an issue for use cases? -- Steve