* Adrian Bunk ([email protected]) wrote:
> On Fri, Dec 28, 2007 at 02:14:04PM -0500, Mathieu Desnoyers wrote:
> > * Adrian Bunk ([email protected]) wrote:
> > > This patch restores the blackfin Hardware Performance Monitor Profiling
> > > support that was killed by
> > > commit 09cadedbdc01f1a4bea1f427d4fb4642eaa19da9.
> > >
> > > Signed-off-by: Adrian Bunk <[email protected]>
> > >
> >
> > Yep, this one too must be put back, but kernel/Kconfig.instrumentation
> > seems like the wrong spot for a blackfin-specific config option (and
> > this will break the instrumentation menu removal patches in -mm).
> >
> > Can we put this in arch/blackfin/Kconfig instead ?
>
> No, this is a user visible option that belongs into the same menu as
> "Profling support".
>
Actually, I wonder why these options exist at all rather than being on
by default when profiling is enabled. There is no such thing as
"activating the performance monitor profiling" on other architectures.
What is so special about blackfin that makes it need it ?
> > > ---
> > >
> > > kernel/Kconfig.instrumentation | 9 +++++++++
> > > 1 file changed, 9 insertions(+)
> > >
> > > 942996f33f81726c5edb012d61ecdad70c55884d
> > > diff --git a/kernel/Kconfig.instrumentation b/kernel/Kconfig.instrumentation
> > > index 97c76ca..e023671 100644
> > > --- a/kernel/Kconfig.instrumentation
> > > +++ b/kernel/Kconfig.instrumentation
> > > @@ -44,2 +44,11 @@ config OPROFILE_MPCORE
> > >
> > > +config HARDWARE_PM
> > > + tristate "Hardware Performance Monitor Profiling"
> > > + depends on BLACKFIN && PROFILING
> > > + help
> > > + take use of hardware performance monitor to profiling the kernel
> > > + and application.
> > > +
> > > + If unsure, say N.
> > > +
> > > config KPROBES
> > >
> >
> > Mathieu Desnoyers
>
> cu
> Adrian
>
> --
>
> "Is there not promise of rain?" Ling Tan asked suddenly out
> of the darkness. There had been need of rain for many days.
> "Only a promise," Lao Er said.
> Pearl S. Buck - Dragon Seed
>
--
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
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