Using wrong System definition. Use iMac 14,2. You haven't implemented Native Powermanagement. Cant expect much.
I have this issue as well. I have implemented power management and it is still the same. Never had this issue in elcap. I changed motherboards from z77 to z97 but I was still in el cap and it was working fine.
What else can it be?
Settings:
------------------------------------
logMSRs............................: 1
logIGPU............................: 0
logIntelRegs.......................: 1
logCStates.........................: 1
logIPGStyle........................: 1
InitialTSC.........................: 0x83cbb10f86
MWAIT C-States.....................: 270624
Model Specific Regiters
------------------------------------
MSR_CORE_THREAD_COUNT......(0x35) : 0x40008
MSR_PLATFORM_INFO..........(0xCE) : 0x80838F3012300
MSR_PMG_CST_CONFIG_CONTROL.(0xE2) : 0x1E000402
MSR_PMG_IO_CAPTURE_BASE....(0xE4) : 0x1814
IA32_MPERF.................(0xE7) : 0x260BDDA7B0
IA32_APERF.................(0xE8) : 0x1804E99B93
MSR_FLEX_RATIO.............(0x194) : 0xE0000
MSR_IA32_PERF_STATUS.......(0x198) : 0x256500002700
MSR_IA32_PERF_CONTROL......(0x199) : 0x2700
IA32_CLOCK_MODULATION......(0x19A) : 0x0
IA32_THERM_STATUS..........(0x19C) : 0x88440000
IA32_MISC_ENABLES..........(0x1A0) : 0x850089
MSR_MISC_PWR_MGMT..........(0x1AA) : 0x1
MSR_TURBO_RATIO_LIMIT......(0x1AD) : 0x27272727
IA32_ENERGY_PERF_BIAS......(0x1B0) : 0x1
MSR_POWER_CTL..............(0x1FC) : 0x4005F
MSR_RAPL_POWER_UNIT........(0x606) : 0xA0E03
MSR_PKG_POWER_LIMIT........(0x610) : 0xFFD00000EA82
MSR_PKG_ENERGY_STATUS......(0x611) : 0x3553BD5
MSR_PKG_POWER_INFO.........(0x614) : 0x2A0
MSR_PP0_CURRENT_CONFIG.....(0x601) : 0x1F40
MSR_PP0_POWER_LIMIT........(0x638) : 0xFFD0
MSR_PP0_ENERGY_STATUS......(0x639) : 0x20039F3
MSR_PP0_POLICY.............(0x63a) : 0x0
MSR_CONFIG_TDP_NOMINAL.....(0x648) : 0x23
MSR_CONFIG_TDP_LEVEL1......(0x649) : 0x0
MSR_CONFIG_TDP_LEVEL2......(0x64a) : 0x0
MSR_CONFIG_TDP_CONTROL.....(0x64b) : 0x80000000
MSR_TURBO_ACTIVATION_RATIO.(0x64c) : 0x0
MSR_PKGC3_IRTL.............(0x60a) : 0x8842
MSR_PKGC6_IRTL.............(0x60b) : 0x8873
MSR_PKGC7_IRTL.............(0x60c) : 0x8891
MSR_PKG_C2_RESIDENCY.......(0x60d) : 0x4863112E74
MSR_PKG_C3_RESIDENCY.......(0x3f8) : 0x0
MSR_PKG_C6_RESIDENCY.......(0x3f9) : 0x0
MSR_PKG_C7_RESIDENCY.......(0x3fa) : 0x0
IA32_TSC_DEADLINE..........(0x6E0) : 0x83CE5B8D49
CPU Ratio Info:
------------------------------------
CPU Low Frequency Mode.............: 800 MHz
CPU Maximum non-Turbo Frequency....: 3500 MHz
CPU Maximum Turbo Frequency........: 3900 MHz
CPU P-States [ (35) 37 39 ]
CPU C3-Cores [ 0 1 3 4 5 ]
CPU C6-Cores [ 0 1 2 6 7 ]
CPU C7-Cores [ 1 2 3 6 7 ]
CPU P-States [ 25 (35) 37 39 ]
CPU C3-Cores [ 0 1 3 4 5 6 7 ]
CPU C6-Cores [ 0 1 2 3 5 6 7 ]
CPU C7-Cores [ 0 1 2 3 5 6 7 ]
CPU P-States [ (8) 25 34 35 37 39 ]
CPU C7-Cores [ 0 1 2 3 4 5 6 7 ]
CPU P-States [ 8 25 34 (35) 37 38 39 ]
CPU P-States [ (8) 25 29 34 35 37 38 39 ]
CPU C6-Cores [ 0 1 2 3 4 5 6 7 ]
CPU P-States [ 8 25 29 33 34 (35) 37 38 39 ]
CPU P-States [ 8 25 28 29 33 34 35 37 38 (39) ]
CPU C3-Cores [ 0 1 2 3 4 5 6 7 ]
CPU P-States [ 8 25 28 29 32 33 34 35 37 38 (39) ]
CPU P-States [ 8 25 28 29 32 33 34 35 36 37 38 (39) ]
CPU P-States [ (8) 25 28 29 31 32 33 34 35 36 37 38 39 ]
CPU P-States [ 8 25 27 28 29 31 32 33 34 (35) 36 37 38 39 ]