blob: 511cc2221f7a85321bed3abe1d1425f01c7e483b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* BPF extensible scheduler class: Documentation/scheduler/sched-ext.rst
*
* Copyright (c) 2022 Meta Platforms, Inc. and affiliates.
* Copyright (c) 2022 Tejun Heo <tj@kernel.org>
* Copyright (c) 2022 David Vernet <dvernet@meta.com>
* Copyright (c) 2024 Andrea Righi <arighi@nvidia.com>
*/
#ifndef _KERNEL_SCHED_EXT_IDLE_H
#define _KERNEL_SCHED_EXT_IDLE_H
struct sched_ext_ops;
#ifdef CONFIG_SMP
void scx_idle_update_selcpu_topology(struct sched_ext_ops *ops);
void scx_idle_init_masks(void);
bool scx_idle_test_and_clear_cpu(int cpu);
s32 scx_pick_idle_cpu(const struct cpumask *cpus_allowed, int node, u64 flags);
#else /* !CONFIG_SMP */
static inline void scx_idle_update_selcpu_topology(struct sched_ext_ops *ops) {}
static inline void scx_idle_init_masks(void) {}
static inline bool scx_idle_test_and_clear_cpu(int cpu) { return false; }
static inline s32 scx_pick_idle_cpu(const struct cpumask *cpus_allowed, int node, u64 flags)
{
return -EBUSY;
}
#endif /* CONFIG_SMP */
s32 scx_select_cpu_dfl(struct task_struct *p, s32 prev_cpu, u64 wake_flags, u64 flags);
void scx_idle_enable(struct sched_ext_ops *ops);
void scx_idle_disable(void);
int scx_idle_init(void);
#endif /* _KERNEL_SCHED_EXT_IDLE_H */
|
