On 08/04/2015 08:15 AM, Peter Maydell wrote: > On 4 August 2015 at 16:11, Alex Bennée <alex.ben...@linaro.org> wrote: >> Aurelien Jarno <aurel...@aurel32.net> writes: >>> On 2015-08-03 10:14, Alex Bennée wrote: >>> In practice this is not true for linked TB. Should we also disable TB >>> linking when this option is enabled? >> >> Good question. I suspect yes because if you've gone to level of wanting >> exec tracing you'll probably get confused by the chaining. Of course it >> will run a lot slower then. > > Unless the bug you were trying to track down is caused by the exec > chaining, of course... But yes, I think we get more people wanting > chaining to be disableable. > > Not sure we want to tie it to the 'cpu' debug option, though -- it > applies just as much to 'exec'.
Does it make more sense to have a 'nochain' debug option, and not tie it to either 'cpu' or 'exec'? It might be occasionally useful on its own, simply to determine if a bug does exist in the exec chaining. r~