tracing: Add trace_options kernel command line parameter
Add trace_options to the kernel command line parameter to be able to set options at early boot. For example, to enable stack dumps of events, add the following: trace_options=stacktrace This along with the trace_event option, you can get not only traces of the events but also the stack dumps with them. Requested-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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