forked from TencentOS/TencentOS-kernel
46 lines
1.0 KiB
C
46 lines
1.0 KiB
C
/*
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* Copyright (C) 2019 Tencent Ltd. All rights reserved.
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*
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* File Name : bt_debug.h
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* Author :
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* Date : 2019-12-26
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* Descriptor:
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*/
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#ifndef _BT_STAT_H
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#define _BT_STAT_H
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#ifdef CONFIG_BT_GROUP_SCHED
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/* Iterate thr' all leaf cfs_rq's on a runqueue */
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#define for_each_leaf_bt_rq(rq, bt_rq) \
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list_for_each_entry_rcu(bt_rq, &rq->leaf_bt_rq_list, leaf_bt_rq_list)
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#else
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#define for_each_leaf_bt_rq(rq, bt_rq) \
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for (bt_rq = &rq->bt; bt_rq; bt_rq = NULL)
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#endif
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/*
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* This allows printing both to /proc/sched_debug and
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* to the console
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*/
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#define SEQ_printf(m, x...) \
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do { \
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if (m) \
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seq_printf(m, x); \
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else \
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printk(x); \
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} while (0)
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extern long long nsec_high(unsigned long long nsec);
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extern unsigned long nsec_low(unsigned long long nsec);
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#define SPLIT_NS(x) nsec_high(x), nsec_low(x)
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#ifdef CONFIG_SCHED_DEBUG
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extern void print_bt_stats(struct seq_file *m, int cpu);
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extern char *task_group_path(struct task_group *tg);
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#else
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void print_bt_stats(struct seq_file *m, int cpu) {}
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#endif
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#endif
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