Messages in this thread | | | Subject | Re: [PATCH 7/9] ftrace, perf: Add support to use function tracepoint in perf | From | Steven Rostedt <> | Date | Mon, 28 Nov 2011 15:13:09 -0500 |
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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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