Uncore Manual

Uncore Performance Monitoring
Power Control (PCU) Performance Monitoring
120 Reference Number: 329468-002
CORE4_TRANSITION_CYCLES
• Title: Core 4 C State Transition Cycles
• Category: CORE_C_STATE_TRANSITION Events
• Event Code: 0x74
• Max. Inc/Cyc:. 1, Register Restrictions: 0-3
• Definition: Number of cycles spent performing core C state transitions. There is one event per
core.
CORE5_TRANSITION_CYCLES
• Title: Core 5 C State Transition Cycles
• Category: CORE_C_STATE_TRANSITION Events
• Event Code: 0x75
• Max. Inc/Cyc:. 1, Register Restrictions: 0-3
• Definition: Number of cycles spent performing core C state transitions. There is one event per
core.
CORE6_TRANSITION_CYCLES
• Title: Core 6 C State Transition Cycles
• Category: CORE_C_STATE_TRANSITION Events
• Event Code: 0x76
• Max. Inc/Cyc:. 1, Register Restrictions: 0-3
• Definition: Number of cycles spent performing core C state transitions. There is one event per
core.
CORE7_TRANSITION_CYCLES
• Title: Core 7 C State Transition Cycles
• Category: CORE_C_STATE_TRANSITION Events
• Event Code: 0x77
• Max. Inc/Cyc:. 1, Register Restrictions: 0-3
• Definition: Number of cycles spent performing core C state transitions. There is one event per
core.
CORE8_TRANSITION_CYCLES
• Title: Core 8 C State Transition Cycles
• Category: CORE_C_STATE_TRANSITION Events
• Event Code: 0x78
• Max. Inc/Cyc:. 1, Register Restrictions: 0-3
• Definition: Number of cycles spent performing core C state transitions. There is one event per
core.
• NOTE: This only tracks the hardware portion in the RCFSM (CFCFSM). This portion is just doing the
core C state transition. It does not include any necessary frequency/voltage transitions.
CORE9_TRANSITION_CYCLES
• Title: Core 9 C State Transition Cycles
• Category: CORE_C_STATE_TRANSITION Events
• Event Code: 0x79
• Max. Inc/Cyc:. 1, Register Restrictions: 0-3
• Definition: Number of cycles spent performing core C state transitions. There is one event per
core.