lkml.org 
[lkml]   [2013]   [Sep]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    Date
    From
    Subject[PATCH RT 12/16] hwlat-detect/trace: Export trace_clock_local for hwlat-detector
    From: "Steven Rostedt (Red Hat)" <rostedt@goodmis.org>

    The hwlat-detector needs a better clock than just ktime_get() as that
    can induce its own latencies. The trace clock is perfect for it, but
    it needs to be exported for use by modules.

    Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
    ---
    kernel/trace/trace_clock.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/kernel/trace/trace_clock.c b/kernel/trace/trace_clock.c
    index 3947835..1bbb1b2 100644
    --- a/kernel/trace/trace_clock.c
    +++ b/kernel/trace/trace_clock.c
    @@ -44,6 +44,7 @@ u64 notrace trace_clock_local(void)

    return clock;
    }
    +EXPORT_SYMBOL_GPL(trace_clock_local);

    /*
    * trace_clock(): 'between' trace clock. Not completely serialized,
    --
    1.7.10.4



    \
     
     \ /
      Last update: 2013-09-09 16:01    [W:2.257 / U:0.136 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site