MEM_WB            643 arch/x86/include/asm/perf_event_p4.h 	P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ALLOCATION, MEM_WB, 11),
MEM_WB            655 arch/x86/include/asm/perf_event_p4.h 	P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ACTIVE_ENTRIES, MEM_WB, 11),