[ltt-dev] Compilation error of trace_clock for PowerPC (ppc32)

[Mathieu Desnoyers]

* srikanth krishnakar (skrishnakar at gmail.com) wrote:
> Hi Mathieu,
> 
> Here is a proposed fix for the compilation error:
> 
> Date: Tue, 28 Apr 2009 21:29:09 +0530
> Subject: [PATCH] lttng: powerpc trace-clock.h include <asm/time.h> for
> get_tbl
> 
> Make get_tbl() and get_tb() known to powerpc <asm/trace-clock.h> by
> having it include <asm/time.h> (where get_tbl() and get_tb() are defined).
> 
> This fixes compiler errors when get_tbl() and get_tb() were referenced
> by <asm/trace-clock.h> without being defined.
> 

Merged, thanks ! :)

Mathieu

> On the other hand, <asm/processor.h> was needlessly included.  Remove it.
> 
> ---
>  arch/powerpc/include/asm/trace-clock.h |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/powerpc/include/asm/trace-clock.h
> b/arch/powerpc/include/asm/trace-clock.h
> index 9aee572..b0b4e21 100644
> --- a/arch/powerpc/include/asm/trace-clock.h
> +++ b/arch/powerpc/include/asm/trace-clock.h
> @@ -11,7 +11,7 @@
> 
>  #include <linux/timex.h>
>  #include <linux/time.h>
> -#include <asm/processor.h>
> +#include <asm/time.h>
> 
>  static inline u32 trace_clock_read32(void)
>  {
> 
> 
> This fixes the compiles error on powerpc.
> 
> Thanks,
> -Srikanth
> 
> -- 
> 
> 
> On Wed, Apr 29, 2009 at 6:28 PM, srikanth krishnakar
> <skrishnakar at gmail.com>wrote:
> 
> > Hi Mathieu,
> >
> > On Wed, Apr 29, 2009 at 6:12 PM, Mathieu Desnoyers <
> > compudj at krystal.dyndns.org> wrote:
> >
> >> * srikanth krishnakar (skrishnakar at gmail.com) wrote:
> >> > Hi Mathieu,
> >> >
> >> > Testing with latest LTTng verison 2.6.29-lttng-0.122  for kernel
> >> > linux-2.6.29 gives following compile error for PowerPC architecture :
> >> >
> >> > ---------------------------
> >> > LTTng : 2.6.29-lttng-0.122
> >> > Kernel : Linux-2.6.29
> >> > Arch: PPC_32
> >> > Toolchain: ppc_440
> >> > ---------------------------
> >> >
> >> > In file included from include/linux/trace-clock.h:13,
> >> >                  from include/linux/ltt-tracer.h:22,
> >> >                  from kernel/marker.c:29:
> >> > linux-2.6.29-lttng/arch/powerpc/include/asm/trace-clock.h: In function
> >> > ‘trace_clock_read32’:
> >> > linux-2.6.29-lttng/arch/powerpc/include/asm/trace-clock.h:18: error:
> >> > implicit declaration of function ‘get_tbl’
> >> > linux-2.6.29-lttng/arch/powerpc/include/asm/trace-clock.h: In function
> >> > ‘trace_clock_read64’:
> >> > linux-2.6.29-lttng/arch/powerpc/include/asm/trace-clock.h:23: error:
> >> > implicit declaration of function ‘get_tb’
> >> > make[1]: *** [kernel/marker.o] Error 1
> >> > make: *** [kernel] Error 2
> >> >
> >> > This error is first seen in :
> >> >
> >> > *2.6.29-rc8-lttng-0.112
> >> >
> >> > Continues till 2.6.29-lttng-0.122
> >> > *
> >> >
> >> > As per your earlier request I am attaching the default .config used
> >> while
> >> > compilation.
> >> >
> >> >
> >> > Can you please submit a fix for this error ???
> >> >
> >>
> >> Yes, I think I'll need your full .config.
> >>
> >> And please try 2.6.29.1-lttng-0.124, just to be sure. I remember doing a
> >> fix in this area not so long ago, but looking at my current powerpc
> >> trace-clock.h there seems to be no obvious change since lttng 0.112.
> >
> >
> > For LTTng 2.6.29-lttng-0.124 I see the same errors as shown below:
> >
> > In file included from include/linux/trace-clock.h:13,
> >                  from include/linux/ltt-tracer.h:22,
> >                  from kernel/marker.c:29:
> > linux-2.6-lttng/arch/powerpc/include/asm/trace-clock.h: In function
> > ‘trace_clock_read32’:
> > linux-2.6-lttng/arch/powerpc/include/asm/trace-clock.h:18: error: implicit
> > declaration of function ‘get_tbl’
> > linux-2.6-lttng/arch/powerpc/include/asm/trace-clock.h: In function
> > ‘trace_clock_read64’:
> > linux-2.6-lttng/arch/powerpc/include/asm/trace-clock.h:23: error: implicit
> > declaration of function ‘get_tb’
> > make[1]: *** [kernel/marker.o] Error 1
> > make: *** [kernel] Error 2
> > [root at srikant linux-2.6-lttng]#
> >
> > Seems still the error exists.
> >
> > -Srikanth
> >
> >>
> >>
> >> Mathieu
> >>
> >> > Regards
> >> > Srikanth Krishnakar
> >> > **********************
> >>
> >>
> >> > _______________________________________________
> >> > ltt-dev mailing list
> >> > ltt-dev at lists.casi.polymtl.ca
> >> > http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev
> >>
> >>
> >> --
> >> Mathieu Desnoyers
> >> OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE
> >> 9A68
> >>
> >
> >
> >
> > --
> > "The Good You Do, The Best You GET"
> >
> > Regards
> > Srikanth Krishnakar
> > **********************
> >
> 
> 
> 
> -- 
> "The Good You Do, The Best You GET"
> 
> Regards
> Srikanth Krishnakar
> **********************

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