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 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 */