Messages in this thread | | | Date | Mon, 26 Nov 2018 16:06:02 -0500 | From | Steven Rostedt <> | Subject | Re: [RFC][PATCH 07/14] fgraph: Add new fgraph_ops structure to enable function graph hooks |
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On Mon, 26 Nov 2018 20:30:49 +0900 Masami Hiramatsu <mhiramat@kernel.org> wrote:
> > diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h > > index f98063e273e5..477ff9412d26 100644 > > --- a/include/linux/ftrace.h > > +++ b/include/linux/ftrace.h > > @@ -749,6 +749,18 @@ typedef int (*trace_func_graph_ent_t)(struct ftrace_graph_ent *); /* entry */ > > > > #ifdef CONFIG_FUNCTION_GRAPH_TRACER > > > > +struct fgraph_ops { > > + trace_func_graph_ent_t entryfunc; > > + trace_func_graph_ret_t retfunc; > > > + struct fgraph_ops __rcu *next; > > + unsigned long flags; > > + void *private; > > +#ifdef CONFIG_DYNAMIC_FTRACE > > + struct ftrace_ops_hash local_hash; > > + struct ftrace_ops_hash *func_hash; > > +#endif > > Hmm, can we introduce these fields when we actually use it?
Sure.
> > BTW, would you have any idea for using private field?
I believe I answered this in another email.
-- Steve
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