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25 lines
686 B
25 lines
686 B
/*
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* latency.h: Explicit system-wide latency-expectation infrastructure
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*
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* (C) Copyright 2006 Intel Corporation
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* Author: Arjan van de Ven <arjan@linux.intel.com>
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*
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*/
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#ifndef _INCLUDE_GUARD_LATENCY_H_
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#define _INCLUDE_GUARD_LATENCY_H_
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#include <linux/notifier.h>
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void set_acceptable_latency(char *identifier, int usecs);
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void modify_acceptable_latency(char *identifier, int usecs);
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void remove_acceptable_latency(char *identifier);
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void synchronize_acceptable_latency(void);
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int system_latency_constraint(void);
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int register_latency_notifier(struct notifier_block * nb);
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int unregister_latency_notifier(struct notifier_block * nb);
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#define INFINITE_LATENCY 1000000
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#endif
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