1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef _LINUX_SCHED_DEBUG_H |
3 | #define _LINUX_SCHED_DEBUG_H |
4 | |
5 | /* |
6 | * Various scheduler/task debugging interfaces: |
7 | */ |
8 | |
9 | struct task_struct; |
10 | struct pid_namespace; |
11 | |
12 | extern void dump_cpu_task(int cpu); |
13 | |
14 | /* |
15 | * Only dump TASK_* tasks. (0 for all tasks) |
16 | */ |
17 | extern void show_state_filter(unsigned int state_filter); |
18 | |
19 | static inline void show_state(void) |
20 | { |
21 | show_state_filter(state_filter: 0); |
22 | } |
23 | |
24 | struct pt_regs; |
25 | |
26 | extern void show_regs(struct pt_regs *); |
27 | |
28 | /* |
29 | * TASK is a pointer to the task whose backtrace we want to see (or NULL for current |
30 | * task), SP is the stack pointer of the first frame that should be shown in the back |
31 | * trace (or NULL if the entire call-chain of the task should be shown). |
32 | */ |
33 | extern void show_stack(struct task_struct *task, unsigned long *sp, |
34 | const char *loglvl); |
35 | |
36 | extern void sched_show_task(struct task_struct *p); |
37 | |
38 | #ifdef CONFIG_SCHED_DEBUG |
39 | struct seq_file; |
40 | extern void proc_sched_show_task(struct task_struct *p, |
41 | struct pid_namespace *ns, struct seq_file *m); |
42 | extern void proc_sched_set_task(struct task_struct *p); |
43 | #endif |
44 | |
45 | /* Attach to any functions which should be ignored in wchan output. */ |
46 | #define __sched __section(".sched.text") |
47 | |
48 | /* Linker adds these: start and end of __sched functions */ |
49 | extern char __sched_text_start[], __sched_text_end[]; |
50 | |
51 | /* Is this address in the __sched functions? */ |
52 | extern int in_sched_functions(unsigned long addr); |
53 | |
54 | #endif /* _LINUX_SCHED_DEBUG_H */ |
55 | |