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    SubjectRe: [PATCH v6 1/3] trace: Make removal of ring buffer pages atomic
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    On Thu, 2012-05-03 at 08:57 -0400, Steven Rostedt wrote:

    > So it seems to be trace-cmd doing something different that prevents the
    > expand from happening. Not sure what it is. If I get time, I'll
    > investigate it a little more.

    Do the following:

    echo 0 > /debug/tracing/tracing_on
    echo nop > /debug/tracing/current_tracer

    then look at buffer_size_kb.

    It's also giving me errors when I try to enable events or anything else
    when tracing_on is disabled.

    -- Steve




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