event_class_ftrace_ 174 kernel/trace/trace_export.c struct trace_event_class __refdata event_class_ftrace_##call = { \ event_class_ftrace_ 177 kernel/trace/trace_export.c .fields = LIST_HEAD_INIT(event_class_ftrace_##call.fields),\ event_class_ftrace_ 182 kernel/trace/trace_export.c .class = &event_class_ftrace_##call, \