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    SubjectRe: [PATCH 7/9] ftrace, perf: Add support to use function tracepoint in perf
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    On Mon, 2011-11-28 at 21:03 +0100, Peter Zijlstra wrote:
    > On Mon, 2011-11-28 at 14:58 -0500, Steven Rostedt wrote:
    > > > perf stat -e ftrace:function ls
    > >
    > > Question. This is a root only command, correct? Otherwise, we are
    > > allowing any user to create a large performance impact to the system.
    >
    > Typically not, although I haven't looked at Jiri's implementation of the
    > function tracepoint.
    >

    I would not allow function tracing for non root users. It's just way too
    invasive to let such a thing happen.

    -- Steve





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