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