Reference Number: 327043-001 81
Intel® Xeon® Processor E5-2600 Product Family Uncore Performance Monitoring
CORE6_TRANSITION_CYCLES
• Title: Core C State Transition Cycles
• Category: CORE_C_STATE_TRANSITION Events
• Event Code: 0x09
• Extra Select Bit: Y
• 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 C State Transition Cycles
• Category: CORE_C_STATE_TRANSITION Events
• Event Code: 0x0A
• Extra Select Bit: Y
• Max. Inc/Cyc: 1, Register Restrictions: 0-3
• Definition: Number of cycles spent performing core C state transitions. There is one event per
core.
DEMOTIONS_CORE0
• Title: Core C State Demotions
• Category: CORE_C_STATE_TRANSITION Events
• Event Code: 0x1E
• Max. Inc/Cyc: 1, Register Restrictions: 0-3
• Filter Dependency: PCUFilter[7:0]
• Definition: Counts the number of times when a configurable cores had a C-state demotion
DEMOTIONS_CORE1
• Title: Core C State Demotions
• Category: CORE_C_STATE_TRANSITION Events
• Event Code: 0x1F
• Max. Inc/Cyc: 1, Register Restrictions: 0-3
• Filter Dependency: PCUFilter[7:0]
• Definition: Counts the number of times when a configurable cores had a C-state demotion
DEMOTIONS_CORE2
• Title: Core C State Demotions
• Category: CORE_C_STATE_TRANSITION Events
• Event Code: 0x20
• Max. Inc/Cyc: 1, Register Restrictions: 0-3
• Definition: Counts the number of times when a configurable cores had a C-state demotion
DEMOTIONS_CORE3
• Title: Core C State Demotions
• Category: CORE_C_STATE_TRANSITION Events
• Event Code: 0x21
• Max. Inc/Cyc: 1, Register Restrictions: 0-3
• Filter Dependency: PCUFilter[7:0]
• Definition: Counts the number of times when a configurable cores had a C-state demotion
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