439 	struct trace_stack *fstack;  in timerlat_save_stack()  local
441 	fstack = this_cpu_ptr(&trace_stack);  in timerlat_save_stack()
443 	size = ARRAY_SIZE(fstack->calls);  in timerlat_save_stack()
445 	nr_entries = stack_trace_save(fstack->calls, size, skip);  in timerlat_save_stack()
447 	fstack->stack_size = nr_entries * sizeof(unsigned long);  in timerlat_save_stack()
448 	fstack->nr_entries = nr_entries;  in timerlat_save_stack()
464 	struct trace_stack *fstack;  in timerlat_dump_stack()  local
469 	fstack = this_cpu_ptr(&trace_stack);  in timerlat_dump_stack()
470 	size = fstack->stack_size;  in timerlat_dump_stack()
479 	memcpy(&entry->caller, fstack->calls, size);  in timerlat_dump_stack()
480 	entry->size = fstack->nr_entries;  in timerlat_dump_stack()