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 9struct task_struct; 10struct pid_namespace; 11 12extern void dump_cpu_task(int cpu); 13 14/* 15 * Only dump TASK_* tasks. (0 for all tasks) 16 */ 17extern void show_state_filter(unsigned int state_filter); 18 19static inline void show_state(void) 20{ 21 show_state_filter(0); 22} 23 24struct pt_regs; 25 26extern 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 */ 33extern void show_stack(struct task_struct *task, unsigned long *sp, 34 const char *loglvl); 35 36extern void sched_show_task(struct task_struct *p); 37 38#ifdef CONFIG_SCHED_DEBUG 39struct seq_file; 40extern void proc_sched_show_task(struct task_struct *p, 41 struct pid_namespace *ns, struct seq_file *m); 42extern 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 */ 49extern char __sched_text_start[], __sched_text_end[]; 50 51/* Is this address in the __sched functions? */ 52extern int in_sched_functions(unsigned long addr); 53 54#endif /* _LINUX_SCHED_DEBUG_H */ 55