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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/*
2 * latency.h: Explicit system-wide latency-expectation infrastructure
3 *
4 * (C) Copyright 2006 Intel Corporation
5 * Author: Arjan van de Ven <arjan@linux.intel.com>
6 *
7 */
8
9#ifndef _INCLUDE_GUARD_LATENCY_H_
10#define _INCLUDE_GUARD_LATENCY_H_
11
12#include <linux/notifier.h>
13
14void set_acceptable_latency(char *identifier, int usecs);
15void modify_acceptable_latency(char *identifier, int usecs);
16void remove_acceptable_latency(char *identifier);
17void synchronize_acceptable_latency(void);
18int system_latency_constraint(void);
19
20int register_latency_notifier(struct notifier_block * nb);
21int unregister_latency_notifier(struct notifier_block * nb);
22
23#define INFINITE_LATENCY 1000000
24
25#endif