[PATCH 1/4] ptrace: temporary revert the recent ptrace/jobctl rework
Josh Stone
jistone at redhat.com
Mon Jun 20 17:43:55 UTC 2011
On 06/20/2011 10:28 AM, Dave Jones wrote:
> On Mon, Jun 20, 2011 at 10:18:26AM -0700, Josh Stone wrote:
> > On 06/20/2011 09:44 AM, Dave Jones wrote:
> > > What benefit is there in continuing to carry this thing at all ?
> > > Utrace has been an absolute disaster from a merging standpoint.
> > > Even Xen didn't take this long to get upstream.
> >
> > I can't dispute the upstream disappointment, but the obvious benefit is
> > enabling uprobes for systemtap. There are a growing number of packages
> > building in markers with systemtap-sdt-devel for debugging and tracing,
> > so they will expect a way to hook into these. Yes, the impending
> > inode-uprobes will be sufficient for this case, but it's a step
> > backwards in other respects as well.
>
> I'm sure both the Fedora systemtap users will be bummed if it stops working,
> but the truth is outside of RHEL, and the people who actually work on
> systemtap, afaics, no-one gives a damn.
Packagers are adding these markers of their own accord, and in most
cases are getting them upstream as well. It is only kernel developers
who are so hostile/apathetic/etc.
Josh
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