Lines Matching refs:ret_stack
68 if (!current->ret_stack) in ftrace_push_return_trace()
87 current->ret_stack[index].ret = ret; in ftrace_push_return_trace()
88 current->ret_stack[index].func = func; in ftrace_push_return_trace()
89 current->ret_stack[index].calltime = calltime; in ftrace_push_return_trace()
91 current->ret_stack[index].fp = frame_pointer; in ftrace_push_return_trace()
94 current->ret_stack[index].retp = retp; in ftrace_push_return_trace()
179 if (unlikely(current->ret_stack[index].fp != frame_pointer)) { in ftrace_pop_return_trace()
183 current->ret_stack[index].fp, in ftrace_pop_return_trace()
185 (void *)current->ret_stack[index].func, in ftrace_pop_return_trace()
186 current->ret_stack[index].ret); in ftrace_pop_return_trace()
192 *ret = current->ret_stack[index].ret; in ftrace_pop_return_trace()
193 trace->func = current->ret_stack[index].func; in ftrace_pop_return_trace()
194 trace->calltime = current->ret_stack[index].calltime; in ftrace_pop_return_trace()
277 return &task->ret_stack[idx]; in ftrace_graph_get_ret_stack()
311 if (task->ret_stack[i].retp == retp) in ftrace_graph_ret_addr()
312 return task->ret_stack[i].ret; in ftrace_graph_ret_addr()
327 if (!task->ret_stack || task_idx < *idx) in ftrace_graph_ret_addr()
333 return task->ret_stack[task_idx].ret; in ftrace_graph_ret_addr()
398 if (t->ret_stack == NULL) { in alloc_retstack_tasklist()
404 t->ret_stack = ret_stack_list[start++]; in alloc_retstack_tasklist()
445 next->ret_stack[index].calltime += timestamp; in ftrace_graph_probe_sched_switch()
491 graph_init_task(struct task_struct *t, struct ftrace_ret_stack *ret_stack) in graph_init_task() argument
497 t->ret_stack = ret_stack; in graph_init_task()
512 if (t->ret_stack) in ftrace_graph_init_idle_task()
513 WARN_ON(t->ret_stack != per_cpu(idle_ret_stack, cpu)); in ftrace_graph_init_idle_task()
516 struct ftrace_ret_stack *ret_stack; in ftrace_graph_init_idle_task() local
518 ret_stack = per_cpu(idle_ret_stack, cpu); in ftrace_graph_init_idle_task()
519 if (!ret_stack) { in ftrace_graph_init_idle_task()
520 ret_stack = in ftrace_graph_init_idle_task()
524 if (!ret_stack) in ftrace_graph_init_idle_task()
526 per_cpu(idle_ret_stack, cpu) = ret_stack; in ftrace_graph_init_idle_task()
528 graph_init_task(t, ret_stack); in ftrace_graph_init_idle_task()
536 t->ret_stack = NULL; in ftrace_graph_init_task()
541 struct ftrace_ret_stack *ret_stack; in ftrace_graph_init_task() local
543 ret_stack = kmalloc_array(FTRACE_RETFUNC_DEPTH, in ftrace_graph_init_task()
546 if (!ret_stack) in ftrace_graph_init_task()
548 graph_init_task(t, ret_stack); in ftrace_graph_init_task()
554 struct ftrace_ret_stack *ret_stack = t->ret_stack; in ftrace_graph_exit_task() local
556 t->ret_stack = NULL; in ftrace_graph_exit_task()
560 kfree(ret_stack); in ftrace_graph_exit_task()
578 if (!idle_task(cpu)->ret_stack) in start_graph_tracing()