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