sched: debug: track maximum 'slice'
track the maximum amount of time a task has executed while the CPU load was at least 2x. (i.e. at least two nice-0 tasks were runnable) Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NPeter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: NMike Galbraith <efault@gmx.de> Reviewed-by: NThomas Gleixner <tglx@linutronix.de>
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