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

From: Paul E. McKenney
Date: Fri Feb 06 2009 - 16:37:23 EST

On Fri, Feb 06, 2009 at 03:03:29PM -0500, Mathieu Desnoyers wrote:
> * Paul E. McKenney (paulmck@xxxxxxxxxxxxxxxxxx) wrote:
> > On Thu, Feb 05, 2009 at 09:00:05PM -0500, Mathieu Desnoyers wrote:
> > > * Paul E. McKenney (paulmck@xxxxxxxxxxxxxxxxxx) wrote:
> > > > On Thu, Feb 05, 2009 at 04:06:27PM -0500, Mathieu Desnoyers wrote:
> > > > > * Paul E. McKenney (paulmck@xxxxxxxxxxxxxxxxxx) wrote:
> > > > > > On Thu, Feb 05, 2009 at 03:22:49PM -0500, Mathieu Desnoyers wrote:
> > > > > > > * Paul E. McKenney (paulmck@xxxxxxxxxxxxxxxxxx) wrote:
> > > > > > > > On Thu, Feb 05, 2009 at 01:31:59PM -0500, Mathieu Desnoyers wrote:
> > > > > > > > > * Paul E. McKenney (paulmck@xxxxxxxxxxxxxxxxxx) wrote:
> > > > > > > > > > On Thu, Feb 05, 2009 at 09:52:16PM +0530, Trilok Soni wrote:
> > > > > > > > > > > Hi Paul,
> > > > > > > > > > >
> > > > > > > > > > > On Thu, Feb 5, 2009 at 9:28 PM, Paul E. McKenney
> > > > > > > > > > > <paulmck@xxxxxxxxxxxxxxxxxx> wrote:
> > > > > > > > > > > >>
> > > > > > > > > > > >> Are you using quilt to apply the patchset series file in the right order ?
> > > > > > > > > > > >
> > > > > > > > > > > > Ummm... No. I never have used quilt.
> > > > > > > > > > > >
> > > > > > > > > > > > Ah, there is a series file. I guess it would not be too hard to make
> > > > > > > > > > > > an appropriate "sh" command:
> > > > > > > > > > >
> > > > > > > > > > > How about trying?
> > > > > > > > > > >
> > > > > > > > > > > #quilt push -a
> > > > > > > > > >
> > > > > > > > > > Is the appropriate incantation as follows?
> > > > > > > > > >
> > > > > > > > > > cd <top of git tree>
> > > > > > > > > > mkdir patches
> > > > > > > > > > cp /tmp/patch-2.6.29-rc3-lttng-0.92/* patches
> > > > > > > > > > quilt push -a
> > > > > > > > > >
> > > > > > > > >
> > > > > > > > > Yes, exactly.
> > > > > > > >
> > > > > > > > Whew! ;-)
> > > > > > > >
> > > > > > > > > And from there you can follow the LTTng manual here :
> > > > > > > > >
> > > > > > > > > http://ltt.polymtl.ca/svn/trunk/lttv/LTTngManual.html
> > > > > > > >
> > > > > > > > I get some fuzz and the following:
> > > > > > > >
> > > > > > > > patching file kernel/trace/trace-clock-32-to-64.c
> > > > > > > > Patch attempted to create file kernel/trace/trace-clock-32-to-64.c,
> > > > > > > > which already exists.
> > > > > > > > Hunk #1 FAILED at 1.
> > > > > > > > 1 out of 1 hunk FAILED -- rejects in file
> > > > > > > > kernel/trace/trace-clock-32-to-64.c
> > > > > > > >
> > > > > > > > Should I be starting from somewhere other than v2.6.29-rc3?
> > > > > > > >
> > > > > > >
> > > > > > > Let's see it step by step, that should get us there.
> > > > > > >
> > > > > > > With patches :
> > > > > > >
> > > > > > > mkdir ~/lttng
> > > > > > > cd ~/lttng
> > > > > > > wget http://www.kernel.org/pub/linux/kernel/v2.6/testing/linux-2.6.29-rc3.tar.bz2
> > > > > > > wget http://lttng.org/files/lttng/patch-2.6.29-rc3-lttng-0.92.tar.bz2
> > > > > > > bzip2 -cd linux-2.6.29-rc3.tar.bz2 |tar xvof -
> > > > > > > bzip2 -cd patch-2.6.29-rc3-lttng-0.92.tar.bz2 |tar xvof -
> > > > > > > cd linux-2.6.29-rc3
> > > > > > > mkdir patches
> > > > > > > ln -s ../patch-2.6.29-rc3-lttng-0.92 patches
> > > > > > > quilt push -a
> > > > > > >
> > > > > > > Does this work ?
> > > > > >
> > > > > > Leaving out the "mkdir", yes.
> > > > >
> > > > > Ah, yes, my mistake.
> > > > >
> > > > > > My apologies -- I was forgetting that
> > > > > > "git reset --hard" doesn't get rid of untracked files. I do see fuzz
> > > > > > in a few places, but hopefully this is non-fatal. And in any case, I
> > > > > > can now make the patch required to actually try this out. ;-)
> > > > > >
> > > > >
> > > > > Great !
> > > > >
> > > > > Don't hesitate to ask if you have any question.
> > > > >
> > > > > Mathieu
> > > >
> > > > Fails to build on Power, so trying x86... (Stock 2.6.29-rc3 does
> > > > build and boot, FWIW.)
> > > >
> > > > Looks like misplaced file.
> > > >
> > > > Thanx, Paul
> > > >
> > > > ------------------------------------------------------------------------
> > > >
> > > > CHK include/linux/version.h
> > > > UPD include/linux/version.h
> > > > CHK include/linux/utsrelease.h
> > > > UPD include/linux/utsrelease.h
> > > > SYMLINK include/asm -> include/asm-powerpc
> > > > HOSTCC scripts/ihex2fw
> > > > HOSTCC scripts/kallsyms
> > > > HOSTCC scripts/pnmtologo
> > > > HOSTCC scripts/genksyms/genksyms.o
> > > > HOSTCC scripts/conmakehash
> > > > HOSTCC scripts/bin2c
> > > > CC scripts/mod/empty.o
> > > > HOSTCC scripts/mod/mk_elfconfig
> > > > SHIPPED scripts/genksyms/lex.c
> > > > SHIPPED scripts/genksyms/parse.h
> > > > SHIPPED scripts/genksyms/keywords.c
> > > > SHIPPED scripts/genksyms/parse.c
> > > > HOSTCC scripts/genksyms/parse.o
> > > > HOSTCC scripts/genksyms/lex.o
> > > > MKELF scripts/mod/elfconfig.h
> > > > HOSTCC scripts/mod/file2alias.o
> > > > HOSTCC scripts/mod/modpost.o
> > > > HOSTCC scripts/mod/sumversion.o
> > > > HOSTLD scripts/genksyms/genksyms
> > > > HOSTLD scripts/mod/modpost
> > > > CC kernel/bounds.s
> > > > GEN include/linux/bounds.h
> > > > CC arch/powerpc/kernel/asm-offsets.s
> > > > In file included from include/linux/module.h:18,
> > > > from include/linux/sysdev.h:25,
> > > > from include/linux/node.h:22,
> > > > from include/linux/swap.h:10,
> > > > from include/linux/suspend.h:7,
> > > > from arch/powerpc/kernel/asm-offsets.c:24:
> > > > include/linux/immediate.h:15:27: error: asm/immediate.h: No such file or directory
> > > > In file included from include/linux/module.h:18,
> > > > from include/linux/sysdev.h:25,
> > > > from include/linux/node.h:22,
> > > > from include/linux/swap.h:10,
> > > > from include/linux/suspend.h:7,
> > > > from arch/powerpc/kernel/asm-offsets.c:24:
> > > > include/linux/immediate.h:37: warning: ÃâËstruct __imvÃââ declared
> > > > inside parameter list
> > > > include/linux/immediate.h:37: warning: its scope is only this definition
> > > > or declaration, which is probably not what you want
> > > > include/linux/immediate.h:40: warning: ÃâËstruct __imvÃââ declared
> > > > inside parameter list
> > > > make[1]: *** [arch/powerpc/kernel/asm-offsets.s] Error 1
> > > > make: *** [prepare0] Error 2
> > > > 02/05/2009-17:57:41 Build the kernel. Failed rc = 2
> > > > 02/05/2009-17:57:41 build: Building kernel... Failed rc = 1
> > > >
> > >
> > > Hrm, does the file
> > >
> > > arch/powerpc/include/asm/immediate.h exist in your tree ?
> > >
> > > Here, with the setup done following the commands I gave you (minus the
> > > mkdir patch), I get :
> > >
> > >
> > > compudj@ok:~$ head testpaulmck/linux-2.6.29-rc3/arch/powerpc/include/asm/immediate.h
> > > #ifndef _ASM_POWERPC_IMMEDIATE_H
> > > #define _ASM_POWERPC_IMMEDIATE_H
> > >
> > > /*
> > > * Immediate values. PowerPC architecture optimizations.
> > > *
> > > * (C) Copyright 2006 Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx>
> > > *
> > > * This file is released under the GPLv2.
> > > * See the file COPYING for more details.
> > >
> > > ....
> > >
> > > Which defines struct __imv. So hrm, normally the header should be there.
> > > (/me still confused) :)
> >
> > It does indeed, see the patch I generated against 2.6.29-rc3:
> >
> > http://www.rdrop.com/users/paulmck/patches/2.6.29-rc3-ltt-1.patch
> >
> > I get a similar failure on x86 -- perhaps my tools or build environment
> > does not match yours?
> >
>
> Maybe. If you want a quick and dirty solution, try :
>
> CONFIG_IMMEDIATE=n
>
> Immediate values are just an optimization, not necessary anyway.

K -- kicking it off.

Thanx, Paul
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