__trace_stack
void __trace_stack(struct trace_array *tr, unsigned int trace_ctx, int skip);
__trace_stack(file->tr, tracing_gen_ctx_dec(), STACK_SKIP);
__trace_stack(tr, trace_ctx, skip);
__trace_stack(tr, trace_ctx, STACK_SKIP);
__trace_stack(tr, tracing_gen_ctx_dec(), FTRACE_STACK_SKIP);
__trace_stack(tr, trace_ctx, 5);
__trace_stack(wakeup_trace, trace_ctx, 0);
__trace_stack(wakeup_trace, trace_ctx, 0);