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Automatically enabling a perf event after attaching a BPF prog to it is not always desirable. Add a new "dont_enable" field to struct bpf_perf_event_opts. While introducing "enable" instead would be nicer in that it would avoid a double negation in the implementation, it would make DECLARE_LIBBPF_OPTS() less efficient. Acked-by: Eduard Zingerman <[email protected]> Suggested-by: Jiri Olsa <[email protected]> Tested-by: Thomas Richter <[email protected]> Co-developed-by: Thomas Richter <[email protected]> Signed-off-by: Thomas Richter <[email protected]> Signed-off-by: Ilya Leoshkevich <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Alexei Starovoitov <[email protected]>