From: Namhyung Kim
The ftrace record command is for saving raw ftrace buffer contents
which can be get from per_cpu/cpuX/trace_pipe_raw.
Since ftrace events are generated very frequently so single thread for
recording mostly resulted in buffer overruns. Thus it uses per-cpu
recorder thread to
From: Namhyung Kim namhyung@lge.com
The ftrace record command is for saving raw ftrace buffer contents
which can be get from per_cpu/cpuX/trace_pipe_raw.
Since ftrace events are generated very frequently so single thread for
recording mostly resulted in buffer overruns. Thus it uses per-cpu
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