On Power7, the DCACHE_SRC field in MMCRA register identifies the memory
hierarchy level (eg: L2, L3 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. Some memory hierarchy levels in Power7
On Power7, the DCACHE_SRC field in MMCRA register identifies the memory
hierarchy level (eg: L2, L3 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. Some memory hierarchy levels in Power7
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