Re: [ltt-dev] LTTng 0.89 for Linux 2.6.29-rc3

[Mathieu Desnoyers]

* Paul E. McKenney (paulmck@xxxxxxxxxxxxxxxxxx) wrote:
> On Thu, Feb 05, 2009 at 10:02:42AM -0500, Mathieu Desnoyers wrote:
> > * Paul E. McKenney (paulmck@xxxxxxxxxxxxxxxxxx) wrote:
> > > On Fri, Jan 30, 2009 at 03:07:57PM -0500, Mathieu Desnoyers wrote:
> > > > Hi,
> > > > 
> > > > I just ported LTTng to the 2.6.29-rc3 kernel. It includes the following
> > > > changes :
> > > > 
> > > > - Tree RCU instrumentation
> > > > - Updated ext4 and jbd2 instrumentation
> > > > 
> > > > Please feel free to try it and report any success/problem you may have.
> > > > Note that cross-build has been slightly less tested this time because
> > > > I'll have to upgrade many of my compilers to a version compatible with
> > > > kernel 2.6.29-rc.
> > > > 
> > > > It also includes the recently added kprobes support through a simple
> > > > 
> > > > echo symbol_name > /mnt/debugfs/ltt/kprobes/enable
> > > > 
> > > > It's available at the new LTTng website :
> > > > 
> > > > http://www.lttng.org/
> > > 
> > > Hello, Matheiu,
> > > 
> > > When I try to apply this to v2.6.29-rc3, I get the following:
> > > 
> > > 	can't find file to patch at input line 61
> > > 	Perhaps you used the wrong -p or --strip option?
> > > 	The text leading up to this was:
> > > 	--------------------------
> > > 	|get_ltt_root() is necessary for ltt-trace-control to create subdirs in
> > > 	ltt's
> > > 	|debugfs dir.
> > > 	|
> > > 	|From: Zhao Lei <zhaolei@xxxxxxxxxxxxxx>
> > > 	|Signed-off-by: Zhao Lei <zhaolei@xxxxxxxxxxxxxx>
> > > 	|Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx>
> > > 	|---
> > > 	| include/linux/ltt-core.h |    8 ++++++++
> > > 	| ltt/ltt-core.c           |   14 ++++++++++++++
> > > 	| ltt/ltt-relay.c          |    8 +-------
> > > 	| 3 files changed, 23 insertions(+), 7 deletions(-)
> > > 	|
> > > 	|Index: linux-2.6-lttng/include/linux/ltt-core.h
> > > 	|===================================================================
> > > 	|--- linux-2.6-lttng.orig/include/linux/ltt-core.h      2009-01-15
> > > 	15:55:18.000000000 -0500
> > > 	|+++ linux-2.6-lttng/include/linux/ltt-core.h   2009-01-15
> > > 	15:55:24.000000000 -0500
> > > 
> > > Help?
> > > 
> > 
> > Hi Paul,
> > 
> > I must admit I'm a bit puzzled. I've tried to quilt push -a both 
> > LTTng 0.89 and LTTng 0.92 taken from the website and they both apply
> > correctly on 2.6.29-rc3. When I quilt pop -a, neither of those 3 files
> > (include/linux/ltt-core.h, ltt/ltt-core.c, ltt/ltt-relay.c) are stucked
> > in my tree.
> > 
> > I've used files from :
> > 
> > http://www.lttng.org/files/lttng/patch-2.6.29-rc3-lttng-0.92.tar.bz2
> > 
> > Which tarballs are you using exactly ?
> 
> That is indeed the one that I am using.
> 
> > I guess you need to apply them to your existing tree, so pointing you to
> > git.kernel.org lttng tree won't help much here.
> 
> I am attempting to apply to v2.6.29-rc3, which is commit
> 18e352e4a73465349711a9324767e1b2453383e2 in the linux-2.6 git tree.
> 
> Later on, I might well want to apply on top of some other stuff, but
> figured I should try it straight first.  ;-)
> 

Are you using quilt to apply the patchset series file in the right order ?

Mathieu

> 							Thanx, Paul
> 
> > Mathieu
> > 
> > > 							Thanx, Paul
> > 
> > -- 
> > Mathieu Desnoyers
> > OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
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-- 
Mathieu Desnoyers
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
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