[PATCH v6 3/4] perf utils: Add helper function is_pmu_core to detect PMU CORE devices

[Will Deacon]

On Thu, Aug 24, 2017 at 05:33:48PM +0530, Ganapatrao Kulkarni wrote:
> On some platforms, PMU core devices sysfs name is not cpu.
> Adding function is_pmu_core to detect PMU core devices using
> core device specific hints in sysfs.
> 
> For arm64 platforms, all core devices have file "cpus" in sysfs.
> 
> Tested-by: Shaokun Zhang <zhangshaokun at hisilicon.com>
> Signed-off-by: Ganapatrao Kulkarni <ganapatrao.kulkarni at cavium.com>
> ---
>  tools/perf/util/pmu.c | 39 +++++++++++++++++++++++++++++++++++----
>  1 file changed, 35 insertions(+), 4 deletions(-)

Acked-by: Will Deacon <will.deacon at arm.com>

Will