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