Messages in this thread | | | Date | Tue, 25 Mar 2014 18:22:50 +0900 | From | Masami Hiramatsu <> | Subject | Re: [PATCH -tip v8 11/26] kprobes: Allow probe on some kprobe functions |
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(2014/03/25 4:37), Steven Rostedt wrote: > On Wed, 05 Mar 2014 21:00:00 +0900 > Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> wrote: > >> There is no need to prohibit probing on the functions >> used for preparation, registeration, optimization, >> controll etc. Those are safely probed because those are >> not invoked from breakpoint/fault/debug handlers, >> there is no chance to cause recursive exceptions. >> >> Following functions are now removed from the kprobes blacklist. >> add_new_kprobe >> aggr_kprobe_disabled >> alloc_aggr_kprobe >> alloc_aggr_kprobe >> arm_all_kprobes >> __arm_kprobe >> arm_kprobe >> arm_kprobe_ftrace >> check_kprobe_address_safe >> collect_garbage_slots >> collect_garbage_slots >> collect_one_slot >> debugfs_kprobe_init >> __disable_kprobe >> disable_kprobe >> disarm_all_kprobes >> __disarm_kprobe >> disarm_kprobe >> disarm_kprobe_ftrace >> do_free_cleaned_kprobes >> do_optimize_kprobes >> do_unoptimize_kprobes >> enable_kprobe >> force_unoptimize_kprobe >> free_aggr_kprobe >> free_aggr_kprobe >> __free_insn_slot >> __get_insn_slot >> get_optimized_kprobe >> __get_valid_kprobe >> init_aggr_kprobe >> init_aggr_kprobe >> in_nokprobe_functions >> kick_kprobe_optimizer >> kill_kprobe >> kill_optimized_kprobe >> kprobe_addr >> kprobe_optimizer >> kprobe_queued >> kprobe_seq_next >> kprobe_seq_start >> kprobe_seq_stop >> kprobes_module_callback >> kprobes_open >> optimize_all_kprobes >> optimize_kprobe >> prepare_kprobe >> prepare_optimized_kprobe >> register_aggr_kprobe >> register_jprobe >> register_jprobes >> register_kprobe >> register_kprobes >> register_kretprobe >> register_kretprobe >> register_kretprobes >> register_kretprobes >> report_probe >> show_kprobe_addr >> try_to_optimize_kprobe >> unoptimize_all_kprobes >> unoptimize_kprobe >> unregister_jprobe >> unregister_jprobes >> unregister_kprobe >> __unregister_kprobe_bottom >> unregister_kprobes >> __unregister_kprobe_top >> unregister_kretprobe >> unregister_kretprobe >> unregister_kretprobes >> unregister_kretprobes >> wait_for_kprobe_optimizer >> > > Did you test these like you did with the previous patch? What about the > middle of these functions?
No, not yet tested in middle of those functions. Only the entries are tested. OK, I'll do that.
Thank you,
-- Masami HIRAMATSU IT Management Research Dept. Linux Technology Center Hitachi, Ltd., Yokohama Research Laboratory E-mail: masami.hiramatsu.pt@hitachi.com
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