Re: [PATCH 2/7] ftrace: Add enable/disable ftrace_ops controlinterface

[Steven Rostedt]

On Sat, 2012-01-28 at 19:43 +0100, Jiri Olsa wrote:
>  
> +/*
> + * FTRACE_OPS_FL_* bits denote the state of ftrace_ops struct and are
> + * set in the flags member.
> + *
> + * ENABLED - set/unset when ftrace_ops is registered/unregistered
> + * GLOBAL  - set manualy by ftrace_ops user to denote the ftrace_ops
> + *           is part of the global tracers sharing the same filter
> + *           via set_ftrace_* debugfs files.
> + * DYNAMIC - set when ftrace_ops is registered to denote dynamically
> + *           allocated ftrace_ops which need special care
> + * CONTROL - set manualy by ftrace_ops user to denote the ftrace_ops
> + *           could be controled by following calls:
> + *           ftrace_function_enable, ftrace_function_disable
> + */
>  enum {
>  	FTRACE_OPS_FL_ENABLED		= 1 << 0,
>  	FTRACE_OPS_FL_GLOBAL		= 1 << 1,
>  	FTRACE_OPS_FL_DYNAMIC		= 1 << 2,
> +	FTRACE_OPS_FL_CONTROL		= 1 << 3,
>  };
>  

Nicely written :-)


-- Steve


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