include/linux/sched/debug.h

   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 */