On Thu, Mar 07, 2019 at 11:17:09AM -0600, Josh Poimboeuf wrote: > On Thu, Mar 07, 2019 at 09:00:49AM -0800, Linus Torvalds wrote: > > But that macro really is the macro from hell regardless. > > > > Do people really use CONFIG_PROFILE_ALL_BRANCHES? > > IIRC, Steven runs it once a year or so...
That's TRACE_BRANCH_PROFILING; PROFILE_ALL_BRANCHES I don't know, that mostly just gets in the way I think. Also; it seems to me that something PT, or maybe even simply: perf -e branches -e branch-misses would get you similar or sufficient information.
