lkml.org 
[lkml]   [2012]   [Apr]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH] perf/probe: Provide perf interface for uprobes
    * Arnaldo Carvalho de Melo <acme@infradead.org> [2012-04-11 11:49:18]:

    > Em Wed, Apr 11, 2012 at 07:27:42PM +0530, Srikar Dronamraju escreveu:
    > > From: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
    > >
    > > - Enhances perf to probe user space executables and libraries.
    > > - Enhances -F/--funcs option of "perf probe" to list possible probe points in
    > > an executable file or library.
    > > - Documents userspace probing support in perf.
    > >
    > > [ Probing a function in the executable using function name ]
    > > perf probe -x /bin/zsh zfree
    > >
    > > [ Probing a library function using function name ]
    > > perf probe -x /lib64/libc.so.6 malloc
    > >
    > > [ list probe-able functions in an executable ]
    > > perf probe -F -x /bin/zsh
    > >
    > > [ list probe-able functions in an library]
    > > perf probe -F -x /lib/libc.so.6
    >
    > Can we avoid the need for -x? I.e. we could figure out it is userspace
    > and act accordingly.
    >

    To list the functions in the module ipv6, we use "perf probe -F -m ipv6"
    So I used the same logic to use -x for specifying executables.


    This is in agreement with probepoint addition where without any
    additional options would mean kernel probepoint; m option would mean
    module and x option would mean user space executable.

    However if you still think we should change, do let me know.

    --
    Thanks and Regards
    Srikar



    \
     
     \ /
      Last update: 2012-04-11 19:23    [W:0.029 / U:0.040 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site