[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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