Messages in this thread |  | | | Date | Fri, 27 Aug 2010 15:43:01 +0200 | | From | Robert Richter <> | | Subject | Re: [PATCH 2/4] sh: Accessor functions for the sh_pmu state |
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On 26.08.10 15:09:17, Matt Fleming wrote: > Introduce some accessor functions for getting at the name and number of > counters of the current sh_pmu instance. > > Signed-off-by: Matt Fleming <matt@console-pimps.org> > --- > arch/sh/include/asm/perf_event.h | 2 ++ > arch/sh/kernel/perf_event.c | 13 +++++++++++++ > 2 files changed, 15 insertions(+), 0 deletions(-) > > diff --git a/arch/sh/include/asm/perf_event.h b/arch/sh/include/asm/perf_event.h > index 3d0c9f3..5b7fa84 100644 > --- a/arch/sh/include/asm/perf_event.h > +++ b/arch/sh/include/asm/perf_event.h > @@ -25,6 +25,8 @@ struct sh_pmu { > extern int register_sh_pmu(struct sh_pmu *); > extern int reserve_pmc_hardware(void); > extern void release_pmc_hardware(void); > +extern int sh_pmu_num_events(void); > +extern const char *sh_pmu_name(void); > > static inline void set_perf_event_pending(void) > { > diff --git a/arch/sh/kernel/perf_event.c b/arch/sh/kernel/perf_event.c > index 7a3dc35..086f788 100644 > --- a/arch/sh/kernel/perf_event.c > +++ b/arch/sh/kernel/perf_event.c > @@ -60,6 +60,19 @@ static inline int sh_pmu_initialized(void) > } > > /* > + * Return the number of events for the current sh_pmu. > + */ > +int sh_pmu_num_events(void) > +{ > + return sh_pmu->num_events; > +} > + > +const char *sh_pmu_name(void) > +{ > + return sh_pmu->name; > +} > + > +/*
This probably needs EXPORT_SYMBOLS*(), but not really sure. Have you compiled oprofile as module?
This accessor functions should be generic for all architectures.
-Robert
> * Release the PMU if this is the last perf_event. > */ > static void hw_perf_event_destroy(struct perf_event *event) > -- > 1.7.1 > >
-- Advanced Micro Devices, Inc. Operating System Research Center
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