LXR linux/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
   8struct task_struct;
   9
  10extern void dump_cpu_task(int cpu);
  11
  12/*
  13 * Only dump TASK_* tasks. (0 for all tasks)
  14 */
  15extern void show_state_filter(unsigned long state_filter);
  16
  17static inline void show_state(void)
  18{
  19        show_state_filter(0);
  20}
  21
  22struct pt_regs;
  23
  24extern 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 */
  31extern void show_stack(struct task_struct *task, unsigned long *sp);
  32
  33extern void sched_show_task(struct task_struct *p);
  34
  35#ifdef CONFIG_SCHED_DEBUG
  36struct seq_file;
  37extern void proc_sched_show_task(struct task_struct *p, struct seq_file *m);
  38extern 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 */
  45extern char __sched_text_start[], __sched_text_end[];
  46
  47/* Is this address in the __sched functions? */
  48extern int in_sched_functions(unsigned long addr);
  49
  50#endif /* _LINUX_SCHED_DEBUG_H */
  51