[ { "ArchStdEvent": "STALL_FRONTEND" }, { "ArchStdEvent": "STALL_BACKEND" }, { "PublicDescription": "No operation issued due to the frontend, cache miss.This event counts every cycle the DPU IQ is empty and there is an instruction cache miss being processed", "EventCode": "0xE1", "EventName": "STALL_FRONTEND_CACHE", "BriefDescription": "No operation issued due to the frontend, cache miss.This event counts every cycle the DPU IQ is empty and there is an instruction cache miss being processed" }, { "PublicDescription": "No operation issued due to the frontend, TLB miss.This event counts every cycle the DPU IQ is empty and there is an instruction L1 TLB miss being processed", "EventCode": "0xE2", "EventName": "STALL_FRONTEND_TLB", "BriefDescription": "No operation issued due to the frontend, TLB miss.This event counts every cycle the DPU IQ is empty and there is an instruction L1 TLB miss being processed" }, { "PublicDescription": "No operation issued due to the frontend, pre-decode error.This event counts every cycle the DPU IQ is empty and there is a pre-decode error being processed", "EventCode": "0xE3", "EventName": "STALL_FRONTEND_PDERR", "BriefDescription": "No operation issued due to the frontend, pre-decode error.This event counts every cycle the DPU IQ is empty and there is a pre-decode error being processed" }, { "PublicDescription": "No operation issued due to the backend interlock.This event counts every cycle that issue is stalled and there is an interlock. Stall cycles due to a stall in Wr (typically awaiting load data) are excluded", "EventCode": "0xE4", "EventName": "STALL_BACKEND_ILOCK", "BriefDescription": "No operation issued due to the backend interlock.This event counts every cycle that issue is stalled and there is an interlock. Stall cycles due to a stall in Wr (typically awaiting load data) are excluded" }, { "PublicDescription": "No operation issued due to the backend, interlock, AGU.This event counts every cycle that issue is stalled and there is an interlock that is due to a load/store instruction waiting for data to calculate the address in the AGU. Stall cycles due to a stall in Wr (typically awaiting load data) are excluded", "EventCode": "0xE5", "EventName": "STALL_BACKEND_ILOCK_AGU", "BriefDescription": "No operation issued due to the backend, interlock, AGU.This event counts every cycle that issue is stalled and there is an interlock that is due to a load/store instruction waiting for data to calculate the address in the AGU. Stall cycles due to a stall in Wr (typically awaiting load data) are excluded" }, { "PublicDescription": "No operation issued due to the backend, interlock, FPU.This event counts every cycle that issue is stalled and there is an interlock that is due to an FPU/NEON instruction. Stall cycles due to a stall in the Wr stage (typically awaiting load data) are excluded", "EventCode": "0xE6", "EventName": "STALL_BACKEND_ILOCK_FPU", "BriefDescription": "No operation issued due to the backend, interlock, FPU.This event counts every cycle that issue is stalled and there is an interlock that is due to an FPU/NEON instruction. Stall cycles due to a stall in the Wr stage (typically awaiting load data) are excluded" }, { "PublicDescription": "No operation issued due to the backend, load.This event counts every cycle there is a stall in the Wr stage due to a load", "EventCode": "0xE7", "EventName": "STALL_BACKEND_LD", "BriefDescription": "No operation issued due to the backend, load.This event counts every cycle there is a stall in the Wr stage due to a load" }, { "PublicDescription": "No operation issued due to the backend, store.This event counts every cycle there is a stall in the Wr stage due to a store", "EventCode": "0xE8", "EventName": "STALL_BACKEND_ST", "BriefDescription": "No operation issued due to the backend, store.This event counts every cycle there is a stall in the Wr stage due to a store" }, { "PublicDescription": "No operation issued due to the backend, load, cache miss.This event counts every cycle there is a stall in the Wr stage due to a load which is waiting on data (due to missing the cache or being non-cacheable)", "EventCode": "0xE9", "EventName": "STALL_BACKEND_LD_CACHE", "BriefDescription": "No operation issued due to the backend, load, cache miss.This event counts every cycle there is a stall in the Wr stage due to a load which is waiting on data (due to missing the cache or being non-cacheable)" }, { "PublicDescription": "No operation issued due to the backend, load, TLB miss.This event counts every cycle there is a stall in the Wr stage due to a load which has missed in the L1 TLB", "EventCode": "0xEA", "EventName": "STALL_BACKEND_LD_TLB", "BriefDescription": "No operation issued due to the backend, load, TLB miss.This event counts every cycle there is a stall in the Wr stage due to a load which has missed in the L1 TLB" }, { "PublicDescription": "No operation issued due to the backend, store, STB full.This event counts every cycle there is a stall in the Wr stage due to a store which is waiting due to the STB being full", "EventCode": "0xEB", "EventName": "STALL_BACKEND_ST_STB", "BriefDescription": "No operation issued due to the backend, store, STB full.This event counts every cycle there is a stall in the Wr stage due to a store which is waiting due to the STB being full" }, { "PublicDescription": "No operation issued due to the backend, store, TLB miss.This event counts every cycle there is a stall in the Wr stage due to a store which has missed in the L1 TLB", "EventCode": "0xEC", "EventName": "STALL_BACKEND_ST_TLB", "BriefDescription": "No operation issued due to the backend, store, TLB miss.This event counts every cycle there is a stall in the Wr stage due to a store which has missed in the L1 TLB" } ]