On Tue, Jul 05, 2011, Otto Moerbeek wrote:
> Hi,
>
> this adds decoding of some interesting structs to kdump. Mostly from
> FreeBSD, but adapted to our tree.
very cool, just a one comment below.
> error = copyout(mtod(m, caddr_t), SCARG(uap, asa), len);
> - if (error == 0)
> + if (error == 0) {
> +#ifdef KTRACE
> + if (KTRPOINT(p, KTR_STRUCT))
> + ktrsockaddr(p, mtod(m, caddr_t), len);
> +#endif
> error = copyout(&len, SCARG(uap, alen), sizeof (len));
> error = copyout(&sb, SCARG(uap, ub), sizeof(sb));
> +#ifdef KTRACE
> + if (error == 0 && KTRPOINT(p, KTR_STRUCT))
> + ktrstat(p, &sb);
> +#endif
the new ktrace points are being added before, after, and between
existing copyout calls. Can we make that consistent? Probably best to
do it only if copyout succeeds.