This patch introduces a new hardware latency detector module that can be used
to detect high hardware-induced latencies within the system. It was originally
written for use in the RT kernel, but has wider applications.
Signed-off-by: Jon Masters <jcm@jonmasters.org>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>