5  * Stack trace management functions
19  * stack_trace_print - Print the entries in the stack trace
38  * stack_trace_snprint - Print the entries in the stack trace into a buffer
105  * stack_trace_save - Save a stack trace into a storage array
108  * @skipnr:	Number of entries to skip at the start of the stack trace
110  * Return: Number of trace entries stored.
128  * stack_trace_save_tsk - Save a task stack trace into a storage array
132  * @skipnr:	Number of entries to skip at the start of the stack trace
134  * Return: Number of trace entries stored.
156  * stack_trace_save_regs - Save a stack trace based on pt_regs into a storage array
160  * @skipnr:	Number of entries to skip at the start of the stack trace
162  * Return: Number of trace entries stored.
186  *		stack. Otherwise it guarantees that the stack trace is
216  * stack_trace_save_user - Save a user space stack trace into a storage array
220  * Return: Number of trace entries stored.
230 	/* Trace user stack if not a kernel thread */  in stack_trace_save_user()
248 save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)  in save_stack_trace_tsk()  argument
254 save_stack_trace_regs(struct pt_regs *regs, struct stack_trace *trace)  in save_stack_trace_regs()  argument
260  * stack_trace_save - Save a stack trace into a storage array
263  * @skipnr:	Number of entries to skip at the start of the stack trace
265  * Return: Number of trace entries stored
270 	struct stack_trace trace = {  in stack_trace_save()  local
276 	save_stack_trace(&trace);  in stack_trace_save()
277 	return trace.nr_entries;  in stack_trace_save()
282  * stack_trace_save_tsk - Save a task stack trace into a storage array
286  * @skipnr:	Number of entries to skip at the start of the stack trace
288  * Return: Number of trace entries stored
294 	struct stack_trace trace = {  in stack_trace_save_tsk()  local
301 	save_stack_trace_tsk(task, &trace);  in stack_trace_save_tsk()
302 	return trace.nr_entries;  in stack_trace_save_tsk()
306  * stack_trace_save_regs - Save a stack trace based on pt_regs into a storage array
310  * @skipnr:	Number of entries to skip at the start of the stack trace
312  * Return: Number of trace entries stored
317 	struct stack_trace trace = {  in stack_trace_save_regs()  local
323 	save_stack_trace_regs(regs, &trace);  in stack_trace_save_regs()
324 	return trace.nr_entries;  in stack_trace_save_regs()
335  *		stack. Otherwise it guarantees that the stack trace is
343 	struct stack_trace trace = {  in stack_trace_save_tsk_reliable()  local
347 	int ret = save_stack_trace_tsk_reliable(tsk, &trace);  in stack_trace_save_tsk_reliable()
349 	return ret ? ret : trace.nr_entries;  in stack_trace_save_tsk_reliable()
355  * stack_trace_save_user - Save a user space stack trace into a storage array
359  * Return: Number of trace entries stored
363 	struct stack_trace trace = {  in stack_trace_save_user()  local
368 	save_stack_trace_user(&trace);  in stack_trace_save_user()
369 	return trace.nr_entries;  in stack_trace_save_user()
384  * filter_irq_stacks - Find first IRQ stack entry in trace
385  * @entries:	Pointer to stack trace array
388  * Return: Number of trace entries until IRQ stack starts.