delayacct: Use sched_clock()
Like all scheduler statistics, use sched_clock() based time. Signed-off-by: NPeter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: NRik van Riel <riel@surriel.com> Reviewed-by: NThomas Gleixner <tglx@linutronix.de> Reviewed-by: NIngo Molnar <mingo@kernel.org> Acked-by: NJohannes Weiner <hannes@cmpxchg.org> Acked-by: NBalbir Singh <bsingharora@gmail.com> Link: https://lkml.kernel.org/r/20210505111525.001031466@infradead.org
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