trace_graph_entry
int trace_graph_entry(struct ftrace_graph_ent *trace, struct fgraph_ops *gops,
.entryfunc = &trace_graph_entry,
gops->entryfunc = &trace_graph_entry;
tr->gops->entryfunc = trace_graph_entry;
entry = trace_graph_entry;
return trace_graph_entry(trace, gops, fregs);