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 long state_filter); 18 show_state(void)19static inline void show_state(void) 20 { 21 show_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 35 extern void sched_show_task(struct task_struct *p); 36 37 #ifdef CONFIG_SCHED_DEBUG 38 struct seq_file; 39 extern void proc_sched_show_task(struct task_struct *p, 40 struct pid_namespace *ns, struct seq_file *m); 41 extern void proc_sched_set_task(struct task_struct *p); 42 #endif 43 44 /* Attach to any functions which should be ignored in wchan output. */ 45 #define __sched __attribute__((__section__(".sched.text"))) 46 47 /* Linker adds these: start and end of __sched functions */ 48 extern char __sched_text_start[], __sched_text_end[]; 49 50 /* Is this address in the __sched functions? */ 51 extern int in_sched_functions(unsigned long addr); 52 53 #endif /* _LINUX_SCHED_DEBUG_H */ 54
