/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_SCHED_DEBUG_H #define _LINUX_SCHED_DEBUG_H /* * Various scheduler/task debugging interfaces: */ struct task_struct; struct pid_namespace; extern void dump_cpu_task(int cpu); /* * Only dump TASK_* tasks. (0 for all tasks) */ extern void show_state_filter(unsigned long state_filter); static inline void show_state(void) { show_state_filter(0); } struct pt_regs; extern void show_regs(struct pt_regs *); /* * TASK is a pointer to the task whose backtrace we want to see (or NULL for current * task), SP is the stack pointer of the first frame that should be shown in the back * trace (or NULL if the entire call-chain of the task should be shown). */ extern void show_stack(struct task_struct *task, unsigned long *sp); extern void sched_show_task(struct task_struct *p); #ifdef CONFIG_SCHED_DEBUG struct seq_file; extern void proc_sched_show_task(struct task_struct *p, struct pid_namespace *ns, struct seq_file *m); extern void proc_sched_set_task(struct task_struct *p); #endif /* Attach to any functions which should be ignored in wchan output. */ #define __sched __attribute__((__section__(".sched.text"))) /* Linker adds these: start and end of __sched functions */ extern char __sched_text_start[], __sched_text_end[]; /* Is this address in the __sched functions? */ extern int in_sched_functions(unsigned long addr); #endif /* _LINUX_SCHED_DEBUG_H */