If you change set_enabled() while program is running, it can take a bit to propagate between threads. Most of the time, this should be acceptable.
custom_fmt_dest.cpp, ded_loger_one_filter.cpp, fastest_no_ostr_like.cpp, fastest_use_ostr_like.cpp, mul_loggers_one_filter.cpp, no_levels_with_route.cpp, one_loger_one_filter.cpp, ts_loger_one_filter.cpp, use_profiler.cpp, and use_tss_ostringstream.cpp.