35-96 Vol. 3C

MODEL-SPECIFIC REGISTERS (MSRS)

571H

1393

IA32_RTIT_STATUS

Core

Tracing Status Register (R/W)

0

FilterEn, writes ignored.

1

ContexEn, writes ignored.

2

TriggerEn, writes ignored.

3

Reserved

4

Error (R/W)

5

Stopped

31:6

Reserved. MBZ

48:32

PacketByteCnt

63:49

Reserved, MBZ.

572H

1394

IA32_RTIT_CR3_MATCH

Core

Trace Filter CR3 Match Register (R/W)

4:0

Reserved

63:5

CR3[63:5] value to match

580H

1408

IA32_RTIT_ADDR0_A

Core

Region 0 Start Address (R/W)

63:0

See Table 35-2. 

581H

1409

IA32_RTIT_ADDR0_B

Core

Region 0 End Address (R/W)

63:0

See Table 35-2. 

582H

1410

IA32_RTIT_ADDR1_A

Core

Region 1 Start Address (R/W)

63:0

See Table 35-2. 

583H

1411

IA32_RTIT_ADDR1_B

Core

Region 1 End Address (R/W)

63:0

See Table 35-2. 

606H

1542

MSR_RAPL_POWER_UNIT

Package

Unit Multipliers used in RAPL Interfaces (R/O) 
See Section 14.9.1, “RAPL Interfaces.”

3:0

Power Units. 
Power related information (in Watts) is in unit of,   1W/2^PU; where 

PU is an unsigned integer represented by bits 3:0. Default value is 

1000b, indicating power unit is in 3.9 milliWatts increment.

7:4

Reserved

12:8

Energy Status Units. 
Energy related information (in Joules) is in unit of,   1Joule/ (2^ESU); 

where ESU is an unsigned integer represented by bits 12:8. Default 

value is 01110b, indicating energy unit is in 61 microJoules.

15:13

Reserved

19:16

Time Unit. 
Time related information (in seconds) is in unit of,   1S/2^TU; where 

TU is an unsigned integer represented by bits 19:16. Default value 

is 1010b, indicating power unit is in 0.977 millisecond.

63:20

Reserved

Table 35-12.   MSRs in Next Generation Intel Atom Processors Based on the Goldmont Microarchitecture (Contd.)

Address

Register Name

Scope

Bit Description

 Hex

Dec