Messages in this thread | | | From | Kumar Gala <> | Subject | Re: [PATCH 1/6] perf_counter: powerpc: Enable use of software counters on 32-bit powerpc | Date | Wed, 17 Jun 2009 09:10:49 -0500 |
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On Jun 17, 2009, at 6:50 AM, Paul Mackerras wrote:
> diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/ > platforms/Kconfig.cputype > index cca6b4f..dd9f3ec 100644 > --- a/arch/powerpc/platforms/Kconfig.cputype > +++ b/arch/powerpc/platforms/Kconfig.cputype > @@ -1,7 +1,7 @@ > config PPC64 > bool "64-bit kernel" > default n > - select HAVE_PERF_COUNTERS > + select PPC_HAVE_PMU_SUPPORT > help > This option selects whether a 32-bit or a 64-bit kernel > will be built. > @@ -243,6 +243,15 @@ config VIRT_CPU_ACCOUNTING > > If in doubt, say Y here. > > +config PPC_HAVE_PMU_SUPPORT > + bool
what does this mean?
> + > +config PPC_PERF_CTRS > + def_bool y > + depends on PERF_COUNTERS && PPC_HAVE_PMU_SUPPORT > + help > + This enables the powerpc-specific perf_counter back-end.
Can we distinguish between the two different architected perf counters programming models to start with. Maybe something like:
PPC_BOOK3S_PERF_CTRS and PPC_BOOK3E_PERF_CTRS (or PPC_SERVER_PERF_CTRS / PPC_EMB_PERF_CTRS)
> > + > config SMP > depends on PPC_STD_MMU || FSL_BOOKE > bool "Symmetric multi-processing support" > -- > 1.6.0.4 >
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