lkml.org 
[lkml]   [2010]   [Apr]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH] Fix DYNAMIC_DEBUG documentation errors.
    Date
    Signed-off-by: Florian Ragwitz <rafl@debian.org>
    ---
    include/linux/dynamic_debug.h | 2 +-
    lib/Kconfig.debug | 16 ++++++++--------
    2 files changed, 9 insertions(+), 9 deletions(-)

    diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h
    index f8c2e17..3fc89c7 100644
    --- a/include/linux/dynamic_debug.h
    +++ b/include/linux/dynamic_debug.h
    @@ -28,7 +28,7 @@ struct _ddebug {
    /*
    * The flags field controls the behaviour at the callsite.
    * The bits here are changed dynamically when the user
    - * writes commands to <debugfs>/dynamic_debug/ddebug
    + * writes commands to <debugfs>/dynamic_debug/control
    */
    #define _DPRINTK_FLAGS_PRINT (1<<0) /* printk() a message using the format */
    #define _DPRINTK_FLAGS_DEFAULT 0
    diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
    index 935248b..8556536 100644
    --- a/lib/Kconfig.debug
    +++ b/lib/Kconfig.debug
    @@ -1027,10 +1027,10 @@ config DYNAMIC_DEBUG

    Usage:

    - Dynamic debugging is controlled via the 'dynamic_debug/ddebug' file,
    + Dynamic debugging is controlled via the 'dynamic_debug/control' file,
    which is contained in the 'debugfs' filesystem. Thus, the debugfs
    filesystem must first be mounted before making use of this feature.
    - We refer the control file as: <debugfs>/dynamic_debug/ddebug. This
    + We refer the control file as: <debugfs>/dynamic_debug/control. This
    file contains a list of the debug statements that can be enabled. The
    format for each line of the file is:

    @@ -1045,7 +1045,7 @@ config DYNAMIC_DEBUG

    From a live system:

    - nullarbor:~ # cat <debugfs>/dynamic_debug/ddebug
    + nullarbor:~ # cat <debugfs>/dynamic_debug/control
    # filename:lineno [module]function flags format
    fs/aio.c:222 [aio]__put_ioctx - "__put_ioctx:\040freeing\040%p\012"
    fs/aio.c:248 [aio]ioctx_alloc - "ENOMEM:\040nr_events\040too\040high\012"
    @@ -1055,23 +1055,23 @@ config DYNAMIC_DEBUG

    // enable the message at line 1603 of file svcsock.c
    nullarbor:~ # echo -n 'file svcsock.c line 1603 +p' >
    - <debugfs>/dynamic_debug/ddebug
    + <debugfs>/dynamic_debug/control

    // enable all the messages in file svcsock.c
    nullarbor:~ # echo -n 'file svcsock.c +p' >
    - <debugfs>/dynamic_debug/ddebug
    + <debugfs>/dynamic_debug/control

    // enable all the messages in the NFS server module
    nullarbor:~ # echo -n 'module nfsd +p' >
    - <debugfs>/dynamic_debug/ddebug
    + <debugfs>/dynamic_debug/control

    // enable all 12 messages in the function svc_process()
    nullarbor:~ # echo -n 'func svc_process +p' >
    - <debugfs>/dynamic_debug/ddebug
    + <debugfs>/dynamic_debug/control

    // disable all 12 messages in the function svc_process()
    nullarbor:~ # echo -n 'func svc_process -p' >
    - <debugfs>/dynamic_debug/ddebug
    + <debugfs>/dynamic_debug/control

    See Documentation/dynamic-debug-howto.txt for additional information.

    --
    1.7.0.5


    \
     
     \ /
      Last update: 2010-04-24 01:59    [W:0.052 / U:63.464 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site