tree 3387541ca447b33b95fdbd736e392098bc392143
parent 8c5073db0ee680c7e70e123918c9b260e49f757d
author Madhavan Srinivasan <maddy@linux.vnet.ibm.com> 1491875466 +0530
committer Michael Ellerman <mpe@ellerman.id.au> 1492596021 +1000

powerpc/perf: Export memory hierarchy info to user space

The LDST field and DATA_SRC in SIER identifies the memory hierarchy level
(eg: L1, L2 etc), from which a data-cache miss for a marked instruction
was satisfied. Use the 'perf_mem_data_src' object to export this
hierarchy level to user space.

Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>