Re: [RFC,PATCH 0/14] utrace/ptrace

[Peter Zijlstra <peterz@infradead.org>]

On Thu, 2009-11-26 at 12:37 +0530, Srikar Dronamraju wrote:
> Hi Christoph, 
> 
> > 
> > The other thing is that this patchset really doesn't quite justify
> > utrace.  It's growing a lot more code without actually growing any
> > useful functionality.  What about all those other utrace killer
> > features that have been promised for a long time?
> > 
> 
> We are working on in-kernel gdbstub which was one of the features that
> you had asked for. gdbstub does pass unit tests; but we are looking at
> some way to hack the GDB testsuite to run its regression tests. Once we
> are able to run the GDB testsuite and utrace is part of some upstream
> tree, we plan to post these patches to LKML for comments. gdbstub uses
> utrace and uprobes underneath. Uprobes was rewritten to remove issues
> that LKML developers had opposed. Uprobes also has its own ftrace plugin
> to use uprobes.
> 
> Currently in-kernel gdbstub is hosted by Frank Ch. Eigler over here:
> git://web.elastic.org/~fche/utrace-ext.git
> branch name utrace-gdbstub-uprobes

If its anywhere near functioning it would have made sense to send it out
as an RFC patch-set right along with the utrace one.