2 * latencytop.h: Infrastructure for displaying latency
4 * (C) Copyright 2008 Intel Corporation
5 * Author: Arjan van de Ven <arjan@linux.intel.com>
9 #ifndef _INCLUDE_GUARD_LATENCYTOP_H_
10 #define _INCLUDE_GUARD_LATENCYTOP_H_
12 #ifdef CONFIG_LATENCYTOP
14 #define LT_SAVECOUNT 32
15 #define LT_BACKTRACEDEPTH 12
17 struct latency_record
{
18 unsigned long backtrace
[LT_BACKTRACEDEPTH
];
27 void account_scheduler_latency(struct task_struct
*task
, int usecs
, int inter
);
29 void clear_all_latency_tracing(struct task_struct
*p
);
34 account_scheduler_latency(struct task_struct
*task
, int usecs
, int inter
)
38 static inline void clear_all_latency_tracing(struct task_struct
*p
)
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