[lkml]   [2012]   [Jun]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [RFC PATCH -tip 0/9]ftrace, kprobes: Ftrace-based kprobe optimization
    (2012/06/04 21:07), Steven Rostedt wrote:
    > On Mon, 2012-06-04 at 20:45 +0900, Masami Hiramatsu wrote:
    >> I think if I just register kprobe's ftrace_ops without start
    >> tracing, I think we can just do tracing without "notrace".
    > You should be able to register the filter first, and then register
    > function tracer. If you register without setting the filter, you will
    > start tracing all functions.
    > I think that may be the problem you are seeing. You want to register the
    > filter first and then the ftrace_ops.

    Ah, that's all what I need to know! :)
    OK, I'll do that for avoiding recursion problem.


    Masami HIRAMATSU
    Software Platform Research Dept. Linux Technology Center
    Hitachi, Ltd., Yokohama Research Laboratory

     \ /
      Last update: 2012-06-04 15:21    [W:0.038 / U:37.016 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site