[ { "EventName": "bp_l2_btb_correct", "EventCode": "0x8b", "BriefDescription": "L2 branch prediction overrides existing prediction (speculative)." }, { "EventName": "bp_dyn_ind_pred", "EventCode": "0x8e", "BriefDescription": "Dynamic indirect predictions (branch used the indirect predictor to make a prediction)." }, { "EventName": "bp_de_redirect", "EventCode": "0x91", "BriefDescription": "Instruction decoder corrects the predicted target and resteers the branch predictor." }, { "EventName": "ex_ret_brn", "EventCode": "0xc2", "BriefDescription": "Retired branch instructions (all types of architectural control flow changes, including exceptions and interrupts)." }, { "EventName": "ex_ret_brn_misp", "EventCode": "0xc3", "BriefDescription": "Retired branch instructions mispredicted." }, { "EventName": "ex_ret_brn_tkn", "EventCode": "0xc4", "BriefDescription": "Retired taken branch instructions (all types of architectural control flow changes, including exceptions and interrupts)." }, { "EventName": "ex_ret_brn_tkn_misp", "EventCode": "0xc5", "BriefDescription": "Retired taken branch instructions mispredicted." }, { "EventName": "ex_ret_brn_far", "EventCode": "0xc6", "BriefDescription": "Retired far control transfers (far call/jump/return, IRET, SYSCALL and SYSRET, plus exceptions and interrupts). Far control transfers are not subject to branch prediction." }, { "EventName": "ex_ret_near_ret", "EventCode": "0xc8", "BriefDescription": "Retired near returns (RET or RET Iw)." }, { "EventName": "ex_ret_near_ret_mispred", "EventCode": "0xc9", "BriefDescription": "Retired near returns mispredicted. Each misprediction incurs the same penalty as a mispredicted conditional branch instruction." }, { "EventName": "ex_ret_brn_ind_misp", "EventCode": "0xca", "BriefDescription": "Retired indirect branch instructions mispredicted (only EX mispredicts). Each misprediction incurs the same penalty as a mispredicted conditional branch instruction." }, { "EventName": "ex_ret_ind_brch_instr", "EventCode": "0xcc", "BriefDescription": "Retired indirect branch instructions." }, { "EventName": "ex_ret_cond", "EventCode": "0xd1", "BriefDescription": "Retired conditional branch instructions." }, { "EventName": "ex_ret_msprd_brnch_instr_dir_msmtch", "EventCode": "0x1c7", "BriefDescription": "Retired branch instructions mispredicted due to direction mismatch." }, { "EventName": "ex_ret_uncond_brnch_instr_mispred", "EventCode": "0x1c8", "BriefDescription": "Retired unconditional indirect branch instructions mispredicted." }, { "EventName": "ex_ret_uncond_brnch_instr", "EventCode": "0x1c9", "BriefDescription": "Retired unconditional branch instructions." } ]