On Tue, 15 Mar 2022 23:00:38 +0900
Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote:
> +static void fprobe_init(struct fprobe *fp)
> +{
> + fp->nmissed = 0;
> + fp->ops.func = fprobe_handler;
> + fp->ops.flags |= FTRACE_OPS_FL_SAVE_REGS;
> +}
> +
Masami,
I thought one of the advantages of fprobes over kprobes was that it did not
need to use SAVE_REGS, as that causes more overhead than SAVE_ARGS?
If fprobes uses save regs, what is the advantage of it over kprobes?
-- Steve
