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<title>kernel/tools/testing/selftests/ftrace/test.d/functions, branch linux-4.1.y</title>
<subtitle>Hosts the 0x221E linux distro kernel.</subtitle>
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<updated>2014-11-06T13:30:02Z</updated>
<entry>
<title>ftracetest: Add functions file that holds helper functions</title>
<updated>2014-11-06T13:30:02Z</updated>
<author>
<name>Steven Rostedt (Red Hat)</name>
<email>rostedt@goodmis.org</email>
</author>
<published>2014-11-03T20:36:35Z</published>
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<content type='text'>
Created the file tools/testing/ftrace/test.d/functions that will
hold helper functions.

Current helper functions include:

 Add clear_trace() helper to reset the trace file

   Used as a descriptive name to show that "echo &gt; trace" is clearing
   the trace file.

 Add disable/enable_tracing() helper calls

   Add calls that disable and enable tracing respectively by echoing
   0 or 1 into tracing_on.

 Add helper reset_tracer() function

    Add a helper function reset_tracer() that will clear the current_tracer
    (echo nop &gt; current_tracer).

Link: http://lkml.kernel.org/r/20141103212737.696365174@goodmis.org
Link: http://lkml.kernel.org/r/20141104153028.465517119@goodmis.org

Acked-by: Masami Hiramatsu &lt;masami.hiramatsu.pt@hitachi.com&gt;
Acked-by: Namhyung Kim &lt;namhyung@kernel.org&gt;
Signed-off-by: Steven Rostedt &lt;rostedt@goodmis.org&gt;
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