On Tue, Aug 31, 2021 at 2:50 AM Jiri Olsa <jolsa@xxxxxxxxxx> wrote: > > hi, > adding interface to maintain multiple direct functions > within single calls. It's a base for follow up bpf batch > attach functionality. > > New interface: > > int register_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr) > int unregister_ftrace_direct_multi(struct ftrace_ops *ops) > int modify_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr) > > that allows to register/unregister/modify direct function 'addr' > with struct ftrace_ops object. The ops filter can be updated > before with ftrace_set_filter_ip calls > > 1) patches (1-4) that fix the ftrace graph tracing over the function > with direct trampolines attached > 2) patches (5-8) that add batch interface for ftrace direct function > register/unregister/modify > > Also available at (based on Steven's ftrace/core branch): > https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git > ftrace/direct Steven, Could you review and merge this set for this merge window, so we can process related bpf bits for the next cycle?
