On Sat 2020-06-13 09:57:31, Jim Cromie wrote: > 1. Add a user-flag [u] which works like the [pfmlt] flags, but has no > effect on callsite behavior; it allows incremental marking of > arbitrary sets of callsites. > > 2. Add [PFMLTU] flags, which negate their counterparts; P===!p etc. > And in ddebug_read_flags(): > current code does: [pfmltu_] -> flags > copy it to: [PFMLTU_] -> mask > > also disallow both of a pair: ie no 'pP', no true & false. > > 3. Add filtering ops into ddebug_change(), right after all the > callsite-property selections are complete. These filter on the > callsite's current flagstate before applying modflags. > > Why ? > > The 'u' flag lets the user assemble an arbitary set of callsites. > Then using filter flags, user can activate the 'u' set. > > #> echo 'file foo.c +u; file bar.c +u' > control # and repeat > #> echo 'u+p' > control What was the motivation for this please? Is it common to manipulate the same set of callsites again and again? Do you have any usecase, please? Best Regards, Petr
