On 01/08/17 11:41 AM, Christian König wrote: > We can turn of the trace subsystem during compile time already. > > Additional to that the trace points use self modifying code to make sure > that they don't have any overhead as long as they are turned off. But I > don't think this works with the "if (trace_*_enabled()" as well. > > Anyway, not a performance critical code path so I don't really bother. Well aside from that this will only really be useful in upstream kernels where we don't control the configuration. Eventually if we come up with a better solution (tm) then we can revert this cleanly. Tom
