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GPU undervolting does not work on Thinkpad X1 Carbon Gen 6 #185

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nszceta opened this issue Mar 28, 2020 · 9 comments
Open

GPU undervolting does not work on Thinkpad X1 Carbon Gen 6 #185

nszceta opened this issue Mar 28, 2020 · 9 comments

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@nszceta
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nszceta commented Mar 28, 2020

Expected behavior: system crash, lock-up, or freeze upon enabling -999 mV GPU voltage adjustment at idle and/or while running gputest /benchmark and on AC power. I am only testing adjustments made while on AC power in AC power related settings of lenovo_fix.conf

Actual behavior: nothing happens when a -999 mV GPU adjustment is applied. The other parameters seem to work under various stress and mprime test scenarios. I have adjusted CORE, CACHE, UNCORE parameters and encountered the expected system crashes during my experimentation. Additionally, HWP_Mode and cTDP adjustments seem to be applied.

System details:

Linux x1c6 5.5.11-arch1-1 #1 SMP PREEMPT Sun, 22 Mar 2020 16:33:15 +0000 x86_64 GNU/Linux

Command line:

$ sudo /usr/lib/throttled/lenovo_fix.py --monitor
[I] Detected CPU architecture: Intel Kaby Lake (R)
[I] Loading config file.
[I] Starting main loop.
[D] Undervolt offsets: CORE: -115.00 mV | GPU: -999.00 mV | CACHE: -115.00 mV | UNCORE: -115.00 mV | ANALOGIO: 0.00 mV
[D] IccMax: CORE: 64.00 A | GPU: 31.00 A | CACHE: 6.00 A
[D] Realtime monitoring of throttling causes:

[AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 518 mV - Package: 1.3 W - Graphics: 0.1 W - DRAM: 0.6 W

Configuration file:

$ cat /etc/lenovo_fix.conf 
[GENERAL]
# Enable or disable the script execution
Enabled: True
# SYSFS path for checking if the system is running on AC power
Sysfs_Power_Path: /sys/class/power_supply/AC*/online

## Settings to apply while connected to Battery power
[BATTERY]
# Update the registers every this many seconds
Update_Rate_s: 30
# Max package power for time window #1
PL1_Tdp_W: 29
# Time window #1 duration
PL1_Duration_s: 28
# Max package power for time window #2
PL2_Tdp_W: 44
# Time window #2 duration
PL2_Duration_S: 0.002
# Max allowed temperature before throttling
Trip_Temp_C: 85
# Set cTDP to normal=0, down=1 or up=2 (EXPERIMENTAL)
cTDP: 1
# Disable BDPROCHOT (EXPERIMENTAL)
Disable_BDPROCHOT: False

## Settings to apply while connected to AC power
[AC]
# Update the registers every this many seconds
Update_Rate_s: 5
# Max package power for time window #1
PL1_Tdp_W: 44
# Time window #1 duration
PL1_Duration_s: 28
# Max package power for time window #2
PL2_Tdp_W: 44
# Time window #2 duration
PL2_Duration_S: 0.002
# Max allowed temperature before throttling
Trip_Temp_C: 85
# Set HWP energy performance hints to 'performance' on high load (EXPERIMENTAL)
HWP_Mode: True
# Set cTDP to normal=0, down=1 or up=2 (EXPERIMENTAL)
cTDP: 2
# Disable BDPROCHOT (EXPERIMENTAL)
Disable_BDPROCHOT: False

# All voltage values are expressed in mV and *MUST* be negative (i.e. undervolt)! 
[UNDERVOLT.BATTERY]
# CPU core voltage offset (mV)
CORE: -115
# Integrated GPU voltage offset (mV)
GPU: -85
# CPU cache voltage offset (mV)
CACHE: -115
# System Agent voltage offset (mV)
UNCORE: -115
# Analog I/O voltage offset (mV)
ANALOGIO: 0

# All voltage values are expressed in mV and *MUST* be negative (i.e. undervolt)!
[UNDERVOLT.AC]
# CPU core voltage offset (mV)
CORE: -115
# Integrated GPU voltage offset (mV)
GPU: -999
# CPU cache voltage offset (mV)
CACHE: -115
# System Agent voltage offset (mV)
UNCORE: -115
# Analog I/O voltage offset (mV)
ANALOGIO: 0

# [ICCMAX.AC]
# # CPU core max current (A)
# CORE: 
# # Integrated GPU max current (A)
# GPU: 31.0
# # CPU cache max current (A)
# CACHE: 

# [ICCMAX.BATTERY]
# # CPU core max current (A)
# CORE: 
# # Integrated GPU max current (A)
# GPU: 
# # CPU cache max current (A)
# CACHE: 

Debug dump:

[D] core 0 thermal status: thermal limit status = 0
[D] core 0 thermal status: thermal limit log = 0
[D] core 0 thermal status: prochot or forcepr status = 0
[D] core 0 thermal status: prochot or forcepr log = 0
[D] core 0 thermal status: crit temp status = 0
[D] core 0 thermal status: crit temp log = 0
[D] core 0 thermal status: thermal threshold1 status = 0
[D] core 0 thermal status: thermal threshold1 log = 0
[D] core 0 thermal status: thermal threshold2 status = 0
[D] core 0 thermal status: thermal threshold2 log = 0
[D] core 0 thermal status: power limit status = 0
[D] core 0 thermal status: power limit log = 0
[D] core 0 thermal status: current limit status = 0
[D] core 0 thermal status: current limit log = 1
[D] core 0 thermal status: cross domain limit status = 0
[D] core 0 thermal status: cross domain limit log = 0
[D] core 0 thermal status: cpu temp = 63
[D] core 0 thermal status: temp resolution = 1
[D] core 0 thermal status: reading valid = 1
[D] core 1 thermal status: thermal limit status = 0
[D] core 1 thermal status: thermal limit log = 0
[D] core 1 thermal status: prochot or forcepr status = 0
[D] core 1 thermal status: prochot or forcepr log = 0
[D] core 1 thermal status: crit temp status = 0
[D] core 1 thermal status: crit temp log = 0
[D] core 1 thermal status: thermal threshold1 status = 0
[D] core 1 thermal status: thermal threshold1 log = 0
[D] core 1 thermal status: thermal threshold2 status = 0
[D] core 1 thermal status: thermal threshold2 log = 0
[D] core 1 thermal status: power limit status = 0
[D] core 1 thermal status: power limit log = 0
[D] core 1 thermal status: current limit status = 0
[D] core 1 thermal status: current limit log = 1
[D] core 1 thermal status: cross domain limit status = 0
[D] core 1 thermal status: cross domain limit log = 0
[D] core 1 thermal status: cpu temp = 63
[D] core 1 thermal status: temp resolution = 1
[D] core 1 thermal status: reading valid = 1
[D] core 2 thermal status: thermal limit status = 0
[D] core 2 thermal status: thermal limit log = 0
[D] core 2 thermal status: prochot or forcepr status = 0
[D] core 2 thermal status: prochot or forcepr log = 0
[D] core 2 thermal status: crit temp status = 0
[D] core 2 thermal status: crit temp log = 0
[D] core 2 thermal status: thermal threshold1 status = 0
[D] core 2 thermal status: thermal threshold1 log = 0
[D] core 2 thermal status: thermal threshold2 status = 0
[D] core 2 thermal status: thermal threshold2 log = 0
[D] core 2 thermal status: power limit status = 0
[D] core 2 thermal status: power limit log = 0
[D] core 2 thermal status: current limit status = 0
[D] core 2 thermal status: current limit log = 1
[D] core 2 thermal status: cross domain limit status = 0
[D] core 2 thermal status: cross domain limit log = 0
[D] core 2 thermal status: cpu temp = 64
[D] core 2 thermal status: temp resolution = 1
[D] core 2 thermal status: reading valid = 1
[D] core 3 thermal status: thermal limit status = 0
[D] core 3 thermal status: thermal limit log = 0
[D] core 3 thermal status: prochot or forcepr status = 0
[D] core 3 thermal status: prochot or forcepr log = 0
[D] core 3 thermal status: crit temp status = 0
[D] core 3 thermal status: crit temp log = 0
[D] core 3 thermal status: thermal threshold1 status = 0
[D] core 3 thermal status: thermal threshold1 log = 0
[D] core 3 thermal status: thermal threshold2 status = 0
[D] core 3 thermal status: thermal threshold2 log = 0
[D] core 3 thermal status: power limit status = 0
[D] core 3 thermal status: power limit log = 0
[D] core 3 thermal status: current limit status = 0
[D] core 3 thermal status: current limit log = 1
[D] core 3 thermal status: cross domain limit status = 0
[D] core 3 thermal status: cross domain limit log = 0
[D] core 3 thermal status: cpu temp = 64
[D] core 3 thermal status: temp resolution = 1
[D] core 3 thermal status: reading valid = 1
[D] core 4 thermal status: thermal limit status = 0
[D] core 4 thermal status: thermal limit log = 0
[D] core 4 thermal status: prochot or forcepr status = 0
[D] core 4 thermal status: prochot or forcepr log = 0
[D] core 4 thermal status: crit temp status = 0
[D] core 4 thermal status: crit temp log = 0
[D] core 4 thermal status: thermal threshold1 status = 0
[D] core 4 thermal status: thermal threshold1 log = 0
[D] core 4 thermal status: thermal threshold2 status = 0
[D] core 4 thermal status: thermal threshold2 log = 0
[D] core 4 thermal status: power limit status = 0
[D] core 4 thermal status: power limit log = 0
[D] core 4 thermal status: current limit status = 0
[D] core 4 thermal status: current limit log = 1
[D] core 4 thermal status: cross domain limit status = 0
[D] core 4 thermal status: cross domain limit log = 0
[D] core 4 thermal status: cpu temp = 63
[D] core 4 thermal status: temp resolution = 1
[D] core 4 thermal status: reading valid = 1
[D] core 5 thermal status: thermal limit status = 0
[D] core 5 thermal status: thermal limit log = 0
[D] core 5 thermal status: prochot or forcepr status = 0
[D] core 5 thermal status: prochot or forcepr log = 0
[D] core 5 thermal status: crit temp status = 0
[D] core 5 thermal status: crit temp log = 0
[D] core 5 thermal status: thermal threshold1 status = 0
[D] core 5 thermal status: thermal threshold1 log = 0
[D] core 5 thermal status: thermal threshold2 status = 0
[D] core 5 thermal status: thermal threshold2 log = 0
[D] core 5 thermal status: power limit status = 0
[D] core 5 thermal status: power limit log = 0
[D] core 5 thermal status: current limit status = 0
[D] core 5 thermal status: current limit log = 1
[D] core 5 thermal status: cross domain limit status = 0
[D] core 5 thermal status: cross domain limit log = 0
[D] core 5 thermal status: cpu temp = 63
[D] core 5 thermal status: temp resolution = 1
[D] core 5 thermal status: reading valid = 1
[D] core 6 thermal status: thermal limit status = 0
[D] core 6 thermal status: thermal limit log = 0
[D] core 6 thermal status: prochot or forcepr status = 0
[D] core 6 thermal status: prochot or forcepr log = 0
[D] core 6 thermal status: crit temp status = 0
[D] core 6 thermal status: crit temp log = 0
[D] core 6 thermal status: thermal threshold1 status = 0
[D] core 6 thermal status: thermal threshold1 log = 0
[D] core 6 thermal status: thermal threshold2 status = 0
[D] core 6 thermal status: thermal threshold2 log = 0
[D] core 6 thermal status: power limit status = 0
[D] core 6 thermal status: power limit log = 0
[D] core 6 thermal status: current limit status = 0
[D] core 6 thermal status: current limit log = 1
[D] core 6 thermal status: cross domain limit status = 0
[D] core 6 thermal status: cross domain limit log = 0
[D] core 6 thermal status: cpu temp = 64
[D] core 6 thermal status: temp resolution = 1
[D] core 6 thermal status: reading valid = 1
[D] core 7 thermal status: thermal limit status = 0
[D] core 7 thermal status: thermal limit log = 0
[D] core 7 thermal status: prochot or forcepr status = 0
[D] core 7 thermal status: prochot or forcepr log = 0
[D] core 7 thermal status: crit temp status = 0
[D] core 7 thermal status: crit temp log = 0
[D] core 7 thermal status: thermal threshold1 status = 0
[D] core 7 thermal status: thermal threshold1 log = 0
[D] core 7 thermal status: thermal threshold2 status = 0
[D] core 7 thermal status: thermal threshold2 log = 0
[D] core 7 thermal status: power limit status = 0
[D] core 7 thermal status: power limit log = 0
[D] core 7 thermal status: current limit status = 0
[D] core 7 thermal status: current limit log = 1
[D] core 7 thermal status: cross domain limit status = 0
[D] core 7 thermal status: cross domain limit log = 0
[D] core 7 thermal status: cpu temp = 63
[D] core 7 thermal status: temp resolution = 1
[D] core 7 thermal status: reading valid = 1
[D] TEMPERATURE_TARGET - write 0xf - read 0xf - match OK
[D] CONFIG_TDP_CONTROL - write 0x2 - read 0x2 - match OK
[D] MSR PACKAGE_POWER_LIMIT - write 0x42816000dd8160 - read 0x42816000dd8160 - match OK
[D] MCHBAR PACKAGE_POWER_LIMIT - write 0x42816000dd8160 - read 0x42816000dd8160 - match OK
[D] BDPROCHOT - write "0x0" - read "0x0" - match OK

Hardware information:

$ sudo lshw
x1c6                        
    description: Notebook
    product: 20KHCTO1WW (LENOVO_MT_20KH_BU_Think_FM_ThinkPad X1 Carbon 6th)
    vendor: LENOVO
    version: ThinkPad X1 Carbon 6th
    serial: PF18U4UM
    width: 4294967295 bits
    capabilities: smbios-3.0 dmi-3.0 smp vsyscall32
    configuration: administrator_password=disabled chassis=notebook family=ThinkPad X1 Carbon 6th power-on_password=disabled sku=LENOVO_MT_20KH_BU_Think_FM_ThinkPad X1 Carbon 6th uuid=CC30BCC8-C52C-B211-A85C-EDE6623843B7
  *-core
       description: Motherboard
       product: 20KHCTO1WW
       vendor: LENOVO
       physical id: 0
       version: SDK0J40697 WIN
       serial: L1HF87D02ST
       slot: Not Available
     *-memory
          description: System Memory
          physical id: 3
          slot: System board or motherboard
          size: 16GiB
        *-bank:0
             description: Row of chips LPDDR3 Synchronous Unbuffered (Unregistered) 2133 MHz (0.5 ns)
             product: K4EBE304EB-EGCG
             vendor: Samsung
             physical id: 0
             serial: 55000000
             slot: ChannelA-DIMM0
             size: 8GiB
             width: 64 bits
             clock: 2133MHz (0.5ns)
        *-bank:1
             description: Row of chips LPDDR3 Synchronous Unbuffered (Unregistered) 2133 MHz (0.5 ns)
             product: K4EBE304EB-EGCG
             vendor: Samsung
             physical id: 1
             serial: 55000000
             slot: ChannelB-DIMM0
             size: 8GiB
             width: 64 bits
             clock: 2133MHz (0.5ns)
     *-cache:0
          description: L1 cache
          physical id: 7
          slot: L1 Cache
          size: 256KiB
          capacity: 256KiB
          capabilities: synchronous internal write-back unified
          configuration: level=1
     *-cache:1
          description: L2 cache
          physical id: 8
          slot: L2 Cache
          size: 1MiB
          capacity: 1MiB
          capabilities: synchronous internal write-back unified
          configuration: level=2
     *-cache:2
          description: L3 cache
          physical id: 9
          slot: L3 Cache
          size: 8MiB
          capacity: 8MiB
          capabilities: synchronous internal write-back unified
          configuration: level=3
     *-cpu
          description: CPU
          product: Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz
          vendor: Intel Corp.
          physical id: a
          bus info: cpu@0
          version: Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz
          serial: None
          slot: U3E1
          size: 4074MHz
          capacity: 4200MHz
          width: 64 bits
          clock: 100MHz
          capabilities: x86-64 fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear flush_l1d cpufreq
          configuration: cores=4 enabledcores=4 threads=8
     *-firmware
          description: BIOS
          vendor: LENOVO
          physical id: b
          version: N23ET71W (1.46 )
          date: 02/20/2020
          size: 128KiB
          capacity: 15MiB
          capabilities: pci pnp upgrade shadowing cdboot bootselect edd int13floppy720 int5printscreen int9keyboard int14serial int17printer int10video acpi usb biosbootspecification uefi
     *-pci
          description: Host bridge
          product: Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers
          vendor: Intel Corporation
          physical id: 100
          bus info: pci@0000:00:00.0
          version: 08
          width: 32 bits
          clock: 33MHz
          configuration: driver=skl_uncore
          resources: irq:0
        *-display
             description: VGA compatible controller
             product: UHD Graphics 620
             vendor: Intel Corporation
             physical id: 2
             bus info: pci@0000:00:02.0
             logical name: /dev/fb0
             version: 07
             width: 64 bits
             clock: 33MHz
             capabilities: pciexpress msi pm vga_controller bus_master cap_list rom fb
             configuration: depth=32 driver=i915 latency=0 mode=2560x1440 visual=truecolor xres=2560 yres=1440
             resources: iomemory:2f0-2ef iomemory:2f0-2ef irq:139 memory:2ffa000000-2ffaffffff memory:2fa0000000-2fafffffff ioport:e000(size=64) memory:c0000-dffff
        *-generic:0
             description: Signal processing controller
             product: Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem
             vendor: Intel Corporation
             physical id: 4
             bus info: pci@0000:00:04.0
             version: 08
             width: 64 bits
             clock: 33MHz
             capabilities: msi pm cap_list
             configuration: driver=proc_thermal latency=0
             resources: iomemory:2f0-2ef irq:16 memory:2ffb020000-2ffb027fff
        *-generic:1 UNCLAIMED
             description: System peripheral
             product: Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model
             vendor: Intel Corporation
             physical id: 8
             bus info: pci@0000:00:08.0
             version: 00
             width: 64 bits
             clock: 33MHz
             capabilities: msi pm cap_list
             configuration: latency=0
             resources: iomemory:2f0-2ef memory:2ffb02f000-2ffb02ffff
        *-usb
             description: USB controller
             product: Sunrise Point-LP USB 3.0 xHCI Controller
             vendor: Intel Corporation
             physical id: 14
             bus info: pci@0000:00:14.0
             version: 21
             width: 64 bits
             clock: 33MHz
             capabilities: pm msi xhci bus_master cap_list
             configuration: driver=xhci_hcd latency=0
             resources: iomemory:2f0-2ef irq:135 memory:2ffb010000-2ffb01ffff
           *-usbhost:0
                product: xHCI Host Controller
                vendor: Linux 5.5.11-arch1-1 xhci-hcd
                physical id: 0
                bus info: usb@1
                logical name: usb1
                version: 5.05
                capabilities: usb-2.00
                configuration: driver=hub slots=12 speed=480Mbit/s
              *-usb:0
                   description: Bluetooth wireless interface
                   vendor: Intel Corp.
                   physical id: 7
                   bus info: usb@1:7
                   version: 0.10
                   capabilities: bluetooth usb-2.00
                   configuration: driver=btusb maxpower=100mA speed=12Mbit/s
              *-usb:1
                   description: Video
                   product: Integrated Camera
                   vendor: SunplusIT Inc
                   physical id: 8
                   bus info: usb@1:8
                   version: 54.20
                   capabilities: usb-2.01
                   configuration: driver=uvcvideo maxpower=500mA speed=480Mbit/s
              *-usb:2 UNCLAIMED
                   description: Generic USB device
                   vendor: Synaptics, Inc.
                   physical id: 9
                   bus info: usb@1:9
                   version: 1.64
                   serial: c1bfb807e716
                   capabilities: usb-2.00
                   configuration: maxpower=100mA speed=12Mbit/s
           *-usbhost:1
                product: xHCI Host Controller
                vendor: Linux 5.5.11-arch1-1 xhci-hcd
                physical id: 1
                bus info: usb@2
                logical name: usb2
                version: 5.05
                capabilities: usb-3.00
                configuration: driver=hub slots=6 speed=5000Mbit/s
              *-usb
                   description: Mass storage device
                   product: USB3.0-CRW
                   vendor: Generic
                   physical id: 3
                   bus info: usb@2:3
                   version: 29.08
                   serial: 28203008282014000
                   capabilities: usb-3.00 scsi
                   configuration: driver=usb-storage maxpower=800mA speed=5000Mbit/s
        *-generic:2
             description: Signal processing controller
             product: Sunrise Point-LP Thermal subsystem
             vendor: Intel Corporation
             physical id: 14.2
             bus info: pci@0000:00:14.2
             version: 21
             width: 64 bits
             clock: 33MHz
             capabilities: pm msi cap_list
             configuration: driver=intel_pch_thermal latency=0
             resources: iomemory:2f0-2ef irq:18 memory:2ffb02e000-2ffb02efff
        *-communication:0
             description: Communication controller
             product: Sunrise Point-LP CSME HECI #1
             vendor: Intel Corporation
             physical id: 16
             bus info: pci@0000:00:16.0
             version: 21
             width: 64 bits
             clock: 33MHz
             capabilities: pm msi bus_master cap_list
             configuration: driver=mei_me latency=0
             resources: iomemory:2f0-2ef irq:136 memory:2ffb02d000-2ffb02dfff
        *-communication:1
             description: Serial controller
             product: Sunrise Point-LP Active Management Technology - SOL
             vendor: Intel Corporation
             physical id: 16.3
             bus info: pci@0000:00:16.3
             version: 21
             width: 32 bits
             clock: 66MHz
             capabilities: msi pm 16550 cap_list
             configuration: driver=serial latency=0
             resources: irq:19 ioport:e060(size=8) memory:ee424000-ee424fff
        *-pci:0
             description: PCI bridge
             product: Sunrise Point-LP PCI Express Root Port #1
             vendor: Intel Corporation
             physical id: 1c
             bus info: pci@0000:00:1c.0
             version: f1
             width: 32 bits
             clock: 33MHz
             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:122 memory:ee300000-ee3fffff
           *-network
                description: Wireless interface
                product: Wireless 8265 / 8275
                vendor: Intel Corporation
                physical id: 0
                bus info: pci@0000:02:00.0
                logical name: wlp2s0
                version: 78
                serial: 34:e1:2d:1e:85:0c
                width: 64 bits
                clock: 33MHz
                capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
                configuration: broadcast=yes driver=iwlwifi driverversion=5.5.11-arch1-1 firmware=36.77d01142.0 ip=192.168.0.110 latency=0 link=yes multicast=yes wireless=IEEE 802.11
                resources: irq:138 memory:ee300000-ee301fff
        *-pci:1
             description: PCI bridge
             product: Sunrise Point-LP PCI Express Root Port #3
             vendor: Intel Corporation
             physical id: 1c.2
             bus info: pci@0000:00:1c.2
             version: f1
             width: 32 bits
             clock: 33MHz
             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:123 memory:ee200000-ee2fffff
           *-generic UNCLAIMED
                description: Wireless controller
                product: XMM7360 LTE Advanced Modem
                vendor: Intel Corporation
                physical id: 0
                bus info: pci@0000:03:00.0
                version: 01
                width: 64 bits
                clock: 33MHz
                capabilities: pm msi pciexpress cap_list
                configuration: latency=0
                resources: memory:ee200000-ee200fff memory:ee201000-ee2013ff
        *-pci:2
             description: PCI bridge
             product: Sunrise Point-LP PCI Express Root Port #5
             vendor: Intel Corporation
             physical id: 1c.4
             bus info: pci@0000:00:1c.4
             version: f1
             width: 32 bits
             clock: 33MHz
             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:124 memory:ee100000-ee1fffff
           *-storage
                description: Non-Volatile memory controller
                product: SSD 660P Series
                vendor: Intel Corporation
                physical id: 0
                bus info: pci@0000:04:00.0
                version: 03
                width: 64 bits
                clock: 33MHz
                capabilities: storage pm msi pciexpress msix nvm_express bus_master cap_list
                configuration: driver=nvme latency=0
                resources: irq:16 memory:ee100000-ee103fff
        *-pci:3
             description: PCI bridge
             product: Sunrise Point-LP PCI Express Root Port #9
             vendor: Intel Corporation
             physical id: 1d
             bus info: pci@0000:00:1d.0
             version: f1
             width: 32 bits
             clock: 33MHz
             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:125 ioport:2000(size=4096) memory:c0000000-ee0fffff ioport:2fb0000000(size=1241513984)
        *-isa
             description: ISA bridge
             product: Sunrise Point LPC Controller/eSPI Controller
             vendor: Intel Corporation
             physical id: 1f
             bus info: pci@0000:00:1f.0
             version: 21
             width: 32 bits
             clock: 33MHz
             capabilities: isa bus_master
             configuration: latency=0
        *-memory UNCLAIMED
             description: Memory controller
             product: Sunrise Point-LP PMC
             vendor: Intel Corporation
             physical id: 1f.2
             bus info: pci@0000:00:1f.2
             version: 21
             width: 32 bits
             clock: 33MHz (30.3ns)
             configuration: latency=0
             resources: memory:ee420000-ee423fff
        *-multimedia
             description: Audio device
             product: Sunrise Point-LP HD Audio
             vendor: Intel Corporation
             physical id: 1f.3
             bus info: pci@0000:00:1f.3
             version: 21
             width: 64 bits
             clock: 33MHz
             capabilities: pm msi bus_master cap_list
             configuration: driver=snd_hda_intel latency=64
             resources: iomemory:2f0-2ef iomemory:2f0-2ef irq:140 memory:2ffb028000-2ffb02bfff memory:2ffb000000-2ffb00ffff
        *-serial
             description: SMBus
             product: Sunrise Point-LP SMBus
             vendor: Intel Corporation
             physical id: 1f.4
             bus info: pci@0000:00:1f.4
             version: 21
             width: 64 bits
             clock: 33MHz
             configuration: driver=i801_smbus latency=0
             resources: iomemory:2f0-2ef irq:16 memory:2ffb02c000-2ffb02c0ff ioport:efa0(size=32)
        *-network
             description: Ethernet interface
             product: Ethernet Connection (4) I219-LM
             vendor: Intel Corporation
             physical id: 1f.6
             bus info: pci@0000:00:1f.6
             logical name: enp0s31f6
             version: 21
             serial: 8c:16:45:c8:19:66
             capacity: 1Gbit/s
             width: 32 bits
             clock: 33MHz
             capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
             configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=3.2.6-k firmware=0.1-4 latency=0 link=no multicast=yes port=twisted pair
             resources: irq:137 memory:ee400000-ee41ffff
  *-battery
       product: 01AV431
       vendor: SMP
       physical id: 1
       slot: Front
       capacity: 57020mWh
       configuration: voltage=11.5V
  *-scsi
       physical id: 2
       bus info: scsi@0
       logical name: scsi0
       capabilities: scsi-host
       configuration: driver=usb-storage
@nszceta nszceta changed the title GPU underclocking does not work on Thinkpad X1 Carbon Gen 6 GPU undervolting does not work on Thinkpad X1 Carbon Gen 6 Mar 28, 2020
@erpalma
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erpalma commented Apr 1, 2020

Can you post a monitor reading under full load?

@nszceta
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nszceta commented Apr 1, 2020

I ran gputest /benchmark twice.

With GPU undervolt set to -500:

2020-04-01 08:10:26.846: [I] Detected CPU architecture: Intel Kaby Lake (R)
2020-04-01 08:10:26.846: [I] Loading config file.
2020-04-01 08:10:26.857: [I] Starting main loop.
2020-04-01 08:10:26.863: [D] Undervolt offsets: CORE: -115.00 mV | GPU: -500.00 mV | CACHE: -115.00 mV | UNCORE: -115.00 mV | ANALOGIO: 0.00 mV
2020-04-01 08:10:26.864: [D] IccMax: CORE: 64.00 A | GPU: 31.00 A | CACHE: 6.00 A
2020-04-01 08:10:26.864: [D] Realtime monitoring of throttling causes:

2020-04-01 08:10:26.865: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1126 mV - Package: 18.1 W - Graphics: 0.0 W - DRAM: 0.5 W          
2020-04-01 08:10:27.871: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 523 mV - Package: 1.3 W - Graphics: 0.1 W - DRAM: 0.4 W          
2020-04-01 08:10:28.876: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 523 mV - Package: 1.4 W - Graphics: 0.2 W - DRAM: 0.5 W          
2020-04-01 08:10:29.882: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 524 mV - Package: 0.8 W - Graphics: 0.1 W - DRAM: 0.4 W          
2020-04-01 08:10:30.888: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 523 mV - Package: 0.8 W - Graphics: 0.1 W - DRAM: 0.4 W          
2020-04-01 08:10:31.892: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 624 mV - Package: 0.8 W - Graphics: 0.1 W - DRAM: 0.4 W          
2020-04-01 08:10:32.898: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 523 mV - Package: 0.5 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:10:33.903: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 548 mV - Package: 0.5 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:10:34.910: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 524 mV - Package: 0.9 W - Graphics: 0.1 W - DRAM: 0.4 W          
2020-04-01 08:10:35.916: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 524 mV - Package: 0.4 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:10:36.921: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 597 mV - Package: 0.8 W - Graphics: 0.1 W - DRAM: 0.4 W          
2020-04-01 08:10:37.928: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 508 mV - Package: 0.8 W - Graphics: 0.1 W - DRAM: 0.5 W          
2020-04-01 08:10:38.933: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 522 mV - Package: 0.7 W - Graphics: 0.0 W - DRAM: 0.4 W          
2020-04-01 08:10:39.939: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 513 mV - Package: 1.8 W - Graphics: 0.5 W - DRAM: 0.5 W          
2020-04-01 08:10:40.946: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 508 mV - Package: 1.8 W - Graphics: 0.5 W - DRAM: 0.6 W          
2020-04-01 08:10:41.952: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 508 mV - Package: 0.5 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:10:42.959: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 523 mV - Package: 0.4 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:10:43.966: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 509 mV - Package: 1.0 W - Graphics: 0.3 W - DRAM: 0.5 W          
2020-04-01 08:10:44.973: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 509 mV - Package: 0.9 W - Graphics: 0.2 W - DRAM: 0.4 W          
2020-04-01 08:10:45.979: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 513 mV - Package: 0.9 W - Graphics: 0.2 W - DRAM: 0.4 W          
2020-04-01 08:10:46.983: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 509 mV - Package: 1.0 W - Graphics: 0.2 W - DRAM: 0.4 W          
2020-04-01 08:10:47.990: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 509 mV - Package: 0.6 W - Graphics: 0.1 W - DRAM: 0.3 W          
2020-04-01 08:10:48.995: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 523 mV - Package: 0.5 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:10:50.002: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 523 mV - Package: 0.5 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:10:51.008: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 524 mV - Package: 1.9 W - Graphics: 0.1 W - DRAM: 0.4 W          
2020-04-01 08:10:52.014: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 523 mV - Package: 0.7 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:10:53.017: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 619 mV - Package: 1.3 W - Graphics: 0.1 W - DRAM: 0.4 W          
2020-04-01 08:10:54.023: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 523 mV - Package: 2.1 W - Graphics: 0.8 W - DRAM: 0.7 W          
2020-04-01 08:10:55.029: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 524 mV - Package: 0.7 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:10:56.035: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 508 mV - Package: 1.0 W - Graphics: 0.1 W - DRAM: 0.4 W          
2020-04-01 08:10:57.040: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 523 mV - Package: 0.8 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:10:58.045: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 524 mV - Package: 0.8 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:10:59.050: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 523 mV - Package: 0.7 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:11:00.056: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 524 mV - Package: 1.0 W - Graphics: 0.0 W - DRAM: 0.4 W          
2020-04-01 08:11:01.060: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 523 mV - Package: 0.9 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:11:02.066: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 524 mV - Package: 0.6 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:11:03.072: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 523 mV - Package: 0.7 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:11:04.078: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 524 mV - Package: 0.6 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:11:05.084: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 523 mV - Package: 0.7 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:11:06.090: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 523 mV - Package: 1.5 W - Graphics: 0.0 W - DRAM: 0.4 W          
2020-04-01 08:11:07.093: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 872 mV - Package: 6.7 W - Graphics: 2.6 W - DRAM: 1.1 W          
2020-04-01 08:11:08.095: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1010 mV - Package: 16.8 W - Graphics: 7.2 W - DRAM: 1.6 W          
2020-04-01 08:11:09.097: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1042 mV - Package: 17.0 W - Graphics: 7.0 W - DRAM: 1.6 W          
2020-04-01 08:11:10.100: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1013 mV - Package: 17.2 W - Graphics: 7.0 W - DRAM: 1.6 W          
2020-04-01 08:11:11.103: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1219 mV - Package: 16.8 W - Graphics: 7.2 W - DRAM: 1.7 W          
2020-04-01 08:11:12.105: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1034 mV - Package: 16.8 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:11:13.107: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 768 mV - Package: 17.5 W - Graphics: 7.4 W - DRAM: 1.8 W          
2020-04-01 08:11:14.109: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 776 mV - Package: 16.1 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:11:15.111: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1036 mV - Package: 17.2 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:11:16.113: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 925 mV - Package: 16.8 W - Graphics: 7.3 W - DRAM: 1.7 W          
2020-04-01 08:11:17.115: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1039 mV - Package: 18.3 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:11:18.118: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1126 mV - Package: 17.3 W - Graphics: 7.4 W - DRAM: 1.8 W          
2020-04-01 08:11:19.120: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1093 mV - Package: 17.2 W - Graphics: 7.4 W - DRAM: 1.8 W          
2020-04-01 08:11:20.123: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1036 mV - Package: 17.9 W - Graphics: 7.6 W - DRAM: 1.8 W          
2020-04-01 08:11:21.125: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1191 mV - Package: 17.5 W - Graphics: 7.4 W - DRAM: 1.8 W          
2020-04-01 08:11:22.127: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 857 mV - Package: 17.8 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:11:23.130: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1035 mV - Package: 18.1 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:11:24.132: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1146 mV - Package: 17.1 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:11:25.135: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1124 mV - Package: 17.2 W - Graphics: 7.6 W - DRAM: 1.8 W          
2020-04-01 08:11:26.137: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1130 mV - Package: 17.7 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:11:27.138: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1129 mV - Package: 17.7 W - Graphics: 7.6 W - DRAM: 1.8 W          
2020-04-01 08:11:28.140: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1028 mV - Package: 17.6 W - Graphics: 7.6 W - DRAM: 1.8 W          
2020-04-01 08:11:29.143: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1191 mV - Package: 16.6 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:11:30.147: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1191 mV - Package: 16.8 W - Graphics: 7.4 W - DRAM: 1.8 W          
2020-04-01 08:11:31.150: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1225 mV - Package: 16.9 W - Graphics: 7.4 W - DRAM: 1.7 W          
2020-04-01 08:11:32.154: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 760 mV - Package: 16.8 W - Graphics: 7.3 W - DRAM: 1.7 W          
2020-04-01 08:11:33.156: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 772 mV - Package: 17.7 W - Graphics: 7.4 W - DRAM: 1.8 W          
2020-04-01 08:11:34.159: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 825 mV - Package: 17.4 W - Graphics: 7.4 W - DRAM: 1.8 W          
2020-04-01 08:11:35.161: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1032 mV - Package: 16.9 W - Graphics: 7.6 W - DRAM: 1.8 W          
2020-04-01 08:11:36.163: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1028 mV - Package: 17.1 W - Graphics: 7.6 W - DRAM: 1.8 W          
2020-04-01 08:11:37.166: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1132 mV - Package: 17.4 W - Graphics: 7.6 W - DRAM: 1.8 W          
2020-04-01 08:11:38.170: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 542 mV - Package: 17.7 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:11:39.173: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1188 mV - Package: 17.2 W - Graphics: 7.4 W - DRAM: 1.8 W          
2020-04-01 08:11:40.175: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1031 mV - Package: 17.9 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:11:41.177: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 928 mV - Package: 17.6 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:11:42.179: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 963 mV - Package: 17.9 W - Graphics: 7.6 W - DRAM: 1.8 W          
2020-04-01 08:11:43.182: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1123 mV - Package: 18.5 W - Graphics: 7.6 W - DRAM: 1.8 W          
2020-04-01 08:11:44.185: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1153 mV - Package: 17.4 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:11:45.187: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 757 mV - Package: 17.9 W - Graphics: 7.5 W - DRAM: 1.9 W          
2020-04-01 08:11:46.190: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 765 mV - Package: 18.2 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:11:47.192: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 845 mV - Package: 18.3 W - Graphics: 7.4 W - DRAM: 1.8 W          
2020-04-01 08:11:48.194: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 940 mV - Package: 17.9 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:11:49.196: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1062 mV - Package: 18.2 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:11:50.198: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1039 mV - Package: 17.9 W - Graphics: 7.6 W - DRAM: 1.8 W          
2020-04-01 08:11:51.201: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1150 mV - Package: 17.5 W - Graphics: 7.6 W - DRAM: 1.8 W          
2020-04-01 08:11:52.203: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1181 mV - Package: 17.9 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:11:53.205: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1039 mV - Package: 18.0 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:11:54.207: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 824 mV - Package: 17.7 W - Graphics: 7.6 W - DRAM: 1.8 W          
2020-04-01 08:11:55.210: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1140 mV - Package: 18.9 W - Graphics: 7.5 W - DRAM: 1.9 W          
2020-04-01 08:11:56.213: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1002 mV - Package: 18.0 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:11:57.215: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1131 mV - Package: 17.4 W - Graphics: 7.6 W - DRAM: 1.8 W          
2020-04-01 08:11:58.218: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 755 mV - Package: 18.2 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:11:59.221: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 762 mV - Package: 17.9 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:12:00.223: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1185 mV - Package: 18.3 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:12:01.226: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 830 mV - Package: 17.7 W - Graphics: 7.6 W - DRAM: 1.8 W          
2020-04-01 08:12:02.228: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1009 mV - Package: 18.6 W - Graphics: 7.4 W - DRAM: 1.8 W          
2020-04-01 08:12:03.233: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 755 mV - Package: 18.5 W - Graphics: 7.6 W - DRAM: 1.8 W          
2020-04-01 08:12:04.235: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1029 mV - Package: 18.0 W - Graphics: 7.6 W - DRAM: 1.8 W          
2020-04-01 08:12:05.237: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1010 mV - Package: 18.2 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:12:06.239: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1038 mV - Package: 18.6 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:12:07.242: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1012 mV - Package: 17.9 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:12:08.245: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1002 mV - Package: 17.8 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:12:09.247: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1124 mV - Package: 18.0 W - Graphics: 7.5 W - DRAM: 1.8 W          
2020-04-01 08:12:10.249: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1140 mV - Package: 18.3 W - Graphics: 7.6 W - DRAM: 1.8 W          
2020-04-01 08:12:11.254: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 748 mV - Package: 12.2 W - Graphics: 4.6 W - DRAM: 1.5 W          
2020-04-01 08:12:12.261: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 483 mV - Package: 1.1 W - Graphics: 0.2 W - DRAM: 0.4 W          
2020-04-01 08:12:13.264: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1017 mV - Package: 1.1 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:12:14.270: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 498 mV - Package: 1.0 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:12:15.276: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 498 mV - Package: 0.7 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:12:16.282: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 498 mV - Package: 0.7 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:12:17.288: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 498 mV - Package: 0.7 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:12:18.294: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 513 mV - Package: 0.7 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:12:19.297: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 792 mV - Package: 1.1 W - Graphics: 0.1 W - DRAM: 0.4 W          
2020-04-01 08:12:20.302: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 501 mV - Package: 1.8 W - Graphics: 0.3 W - DRAM: 0.4 W          
2020-04-01 08:12:21.307: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 498 mV - Package: 3.5 W - Graphics: 1.4 W - DRAM: 1.0 W          
2020-04-01 08:12:22.313: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 503 mV - Package: 0.9 W - Graphics: 0.1 W - DRAM: 0.3 W          
(venv) [adam@x1c6 ~]$ cat intel_gpu_top.log                                
 Freq MHz      IRQ RC6 Power     IMC MiB/s           RCS/0           BCS/0           VCS/0          VECS/0 
 req  act       /s   %     W     rd     wr       %  se  wa       %  se  wa       %  se  wa       %  se  wa 
   0    0        0  94  0.00   3296    449    0.00   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1068 1068       33  97  0.13    543    208    1.93   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1050 1050        8  99  0.04    410     72    0.65   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1048 1048       95  91  0.31   1002    541    4.83   0   0    0.16   0   0    0.00   0   0    0.00   0   0 
1018 1018      187  13  0.54   1095    559    6.77   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1017 1017       38  98  0.02    366     30    0.36   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1017 1017      116  94  0.05    808     89    0.96   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1016 1016       32  99  0.02    338     25    0.25   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1017 1017       43  98  0.02    398     43    0.40   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1010 1010       44  98  0.02    393     34    0.32   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
 999  999       61  97  0.04    549     87    0.85   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
 999  999       17  98  0.04    340     78    0.85   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
 999  996       25  99  0.02    247     27    0.37   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1000 1000       53  97  0.03    421     47    0.61   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
 993  992       17  99  0.01    250     16    0.14   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
 987  988       53  98  0.02    441     33    0.41   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
 977  976       52  97  0.04    542    102    0.67   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1014 1005     5230  58  2.79   2335   2005   38.75   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
 Freq MHz      IRQ RC6 Power     IMC MiB/s           RCS/0           BCS/0           VCS/0          VECS/0 
 req  act       /s   %     W     rd     wr       %  se  wa       %  se  wa       %  se  wa       %  se  wa 
1150 1128    16747   0  7.19   2727   2768   99.45   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1131    15700   0  7.04   2796   2772   99.45   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1132    15588   0  6.98   2785   2777   99.66   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1134    17749   0  7.23   2968   3021   99.44   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1136    21324   0  7.47   3092   3231   99.13   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1149 1134    20867   0  7.42   3116   3247   99.35   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1129    21104   0  7.46   3104   3233   98.01   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1135    20874   0  7.50   3169   3320   99.30   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1126    20850   0  7.32   3053   3168   98.18   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1132    21832   0  7.52   3089   3282   99.19   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1126    20853   0  7.43   3147   3297   99.28   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1130    20672   0  7.39   3063   3172   99.11   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1141    21216   0  7.59   3176   3325   99.56   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1133    20467   0  7.38   3162   3287   99.44   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1149 1139    20492   0  7.51   3161   3286   99.56   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1136    20498   0  7.52   3171   3302   99.72   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1133    21029   0  7.51   3126   3274   99.45   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1133    21788   0  7.62   3164   3315   99.39   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
 Freq MHz      IRQ RC6 Power     IMC MiB/s           RCS/0           BCS/0           VCS/0          VECS/0 
 req  act       /s   %     W     rd     wr       %  se  wa       %  se  wa       %  se  wa       %  se  wa 
1150 1131    21329   0  7.51   3164   3304   99.55   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1135    20900   0  7.55   3155   3297   99.54   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1138    21437   0  7.59   3138   3293   99.39   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1136    21281   0  7.54   3148   3293   99.09   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1149 1132    20927   0  7.46   3068   3172   98.61   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1125    20783   0  7.37   3024   3118   98.32   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1131    20891   0  7.36   3029   3113   98.17   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1136    20573   0  7.39   3100   3203   99.48   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1132    20892   0  7.44   3097   3231   99.51   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1156 1145    21258   0  7.64   3126   3241   99.39   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1132    21296   0  7.55   3106   3232   99.00   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1149 1133    21363   0  7.57   3154   3292   99.36   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1133    21032   0  7.52   3116   3234   99.26   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1135    20920   0  7.41   3051   3155   98.25   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1131    20931   0  7.51   3147   3302   99.14   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1127    20364   0  7.45   3120   3209   99.26   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1132    21000   0  7.58   3134   3271   99.43   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1134    20657   0  7.60   3139   3233   99.61   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
 Freq MHz      IRQ RC6 Power     IMC MiB/s           RCS/0           BCS/0           VCS/0          VECS/0 
 req  act       /s   %     W     rd     wr       %  se  wa       %  se  wa       %  se  wa       %  se  wa 
1150 1127    20925   0  7.48   3083   3203   98.66   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1127    20711   0  7.47   3353   3379   98.78   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1149 1130    20973   0  7.49   3075   3221   99.58   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1133    19852   0  7.37   3081   3192   99.55   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1126    21335   0  7.49   3178   3356   99.35   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1138    20502   0  7.50   3077   3184   99.17   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1142    21204   0  7.64   3106   3214   99.45   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1133    20758   0  7.55   3120   3241   99.53   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1135    20592   0  7.51   3115   3238   99.33   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1137    20374   0  7.49   3100   3203   99.43   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1149 1139    20920   0  7.65   3123   3264   99.36   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1138    20772   0  7.57   3380   3436   99.31   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1126    20192   0  7.46   3123   3213   99.49   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1137    20866   0  7.64   3145   3267   99.14   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1134    20399   0  7.52   3154   3293   99.50   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1134    20388   0  7.53   3118   3218   99.14   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1131    20373   0  7.46   3067   3208   99.45   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1129    20382   0  7.56   3164   3299   99.21   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
 Freq MHz      IRQ RC6 Power     IMC MiB/s           RCS/0           BCS/0           VCS/0          VECS/0 
 req  act       /s   %     W     rd     wr       %  se  wa       %  se  wa       %  se  wa       %  se  wa 
1150 1134    20020   0  7.49   3078   3174   99.48   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1149 1134    20825   0  7.59   3125   3277   99.56   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1133    21107   0  7.59   3186   3342   99.42   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1137    20415   0  7.53   3084   3173   99.34   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1127    20527   0  7.45   3101   3241   99.64   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1130    20736   0  7.47   3144   3288   99.34   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1133    20188   0  7.48   3096   3211   99.45   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1129    20776   0  7.52   3078   3198   99.23   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1132    20577   0  7.64   3102   3213   99.43   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1144 1108    12673   0  5.32   3346   2863   71.56   0   0    0.16   0   0    0.00   0   0    0.00   0   0 
1133 1129       79  77  0.46    772    390    5.47   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1138 1138        9  83  0.03    348     66    0.37   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1133 1133        7  99  0.03    390     70    0.45   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1133 1133        9  99  0.02    207     46    0.26   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1133 1132        8  99  0.02    228     47    0.27   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1133 1133        8  99  0.02    233     48    0.27   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1133 1133        8 100  0.02    224     47    0.26   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1133 1133        8  99  0.02    377     55    0.26   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
 Freq MHz      IRQ RC6 Power     IMC MiB/s           RCS/0           BCS/0           VCS/0          VECS/0 
 req  act       /s   %     W     rd     wr       %  se  wa       %  se  wa       %  se  wa       %  se  wa 
1133 1133      114  21  0.21    538    101    1.65   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1053 1049      388   0  1.17   2290   1304   15.79   0   0    0.75   1   0    0.00   0   0    0.00   0   0 
1071 1071       48  87  0.44    871    568    5.77   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1067 1066       43  79  0.24    751    365    3.28   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1048 1049       44  95  0.22    743    358    3.39   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
 989  988       48  94  0.24    879    429    4.29   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1004 1005       81  87  0.57   1381    834    7.95   0   0    0.50   1   0    0.00   0   0    0.00   0   0 

With GPU undervolt set to 0:

2020-04-01 08:13:27.662: [I] Detected CPU architecture: Intel Kaby Lake (R)
2020-04-01 08:13:27.662: [I] Loading config file.
2020-04-01 08:13:27.671: [I] Starting main loop.
2020-04-01 08:13:27.675: [D] Undervolt offsets: CORE: -115.00 mV | GPU: 0.00 mV | CACHE: -115.00 mV | UNCORE: -115.00 mV | ANALOGIO: 0.00 mV
2020-04-01 08:13:27.675: [D] IccMax: CORE: 64.00 A | GPU: 31.00 A | CACHE: 6.00 A
2020-04-01 08:13:27.676: [D] Realtime monitoring of throttling causes:

2020-04-01 08:13:27.676: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1114 mV - Package: 20.2 W - Graphics: 0.0 W - DRAM: 0.7 W          
2020-04-01 08:13:28.679: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 866 mV - Package: 2.8 W - Graphics: 0.8 W - DRAM: 0.7 W          
2020-04-01 08:13:29.681: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1206 mV - Package: 1.6 W - Graphics: 0.1 W - DRAM: 0.3 W          
2020-04-01 08:13:30.687: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 499 mV - Package: 1.5 W - Graphics: 0.4 W - DRAM: 0.5 W          
2020-04-01 08:13:31.693: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 498 mV - Package: 2.2 W - Graphics: 0.8 W - DRAM: 0.7 W          
2020-04-01 08:13:32.696: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1072 mV - Package: 14.5 W - Graphics: 6.6 W - DRAM: 1.7 W          
2020-04-01 08:13:33.700: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 757 mV - Package: 17.7 W - Graphics: 8.1 W - DRAM: 1.7 W          
2020-04-01 08:13:34.702: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 979 mV - Package: 17.0 W - Graphics: 8.6 W - DRAM: 1.7 W          
2020-04-01 08:13:35.705: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1139 mV - Package: 17.5 W - Graphics: 8.5 W - DRAM: 1.7 W          
2020-04-01 08:13:36.707: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 843 mV - Package: 17.8 W - Graphics: 8.7 W - DRAM: 1.8 W          
2020-04-01 08:13:37.710: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1075 mV - Package: 17.9 W - Graphics: 8.7 W - DRAM: 1.9 W          
2020-04-01 08:13:38.714: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 545 mV - Package: 18.1 W - Graphics: 8.3 W - DRAM: 1.9 W          
2020-04-01 08:13:39.717: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1074 mV - Package: 18.3 W - Graphics: 8.6 W - DRAM: 1.9 W          
2020-04-01 08:13:40.719: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1079 mV - Package: 18.4 W - Graphics: 8.5 W - DRAM: 1.9 W          
2020-04-01 08:13:41.720: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 856 mV - Package: 18.0 W - Graphics: 8.6 W - DRAM: 1.9 W          
2020-04-01 08:13:42.723: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1116 mV - Package: 17.8 W - Graphics: 8.9 W - DRAM: 1.9 W          
2020-04-01 08:13:43.726: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1124 mV - Package: 17.9 W - Graphics: 8.5 W - DRAM: 1.8 W          
2020-04-01 08:13:44.730: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 755 mV - Package: 17.6 W - Graphics: 8.9 W - DRAM: 1.8 W          
2020-04-01 08:13:45.733: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1075 mV - Package: 17.8 W - Graphics: 8.9 W - DRAM: 1.9 W          
2020-04-01 08:13:46.736: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1076 mV - Package: 18.5 W - Graphics: 9.1 W - DRAM: 1.9 W          
2020-04-01 08:13:47.739: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1074 mV - Package: 18.4 W - Graphics: 9.0 W - DRAM: 1.9 W          
2020-04-01 08:13:48.741: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 984 mV - Package: 18.5 W - Graphics: 8.8 W - DRAM: 1.9 W          
2020-04-01 08:13:49.744: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1106 mV - Package: 18.1 W - Graphics: 9.0 W - DRAM: 1.8 W          
2020-04-01 08:13:50.749: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 534 mV - Package: 18.4 W - Graphics: 8.9 W - DRAM: 1.8 W          
2020-04-01 08:13:51.752: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1155 mV - Package: 18.6 W - Graphics: 8.8 W - DRAM: 1.9 W          
2020-04-01 08:13:52.755: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 831 mV - Package: 18.8 W - Graphics: 8.8 W - DRAM: 1.9 W          
2020-04-01 08:13:53.757: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1002 mV - Package: 18.8 W - Graphics: 9.0 W - DRAM: 1.9 W          
2020-04-01 08:13:54.759: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1004 mV - Package: 18.5 W - Graphics: 9.1 W - DRAM: 1.9 W          
2020-04-01 08:13:55.762: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1074 mV - Package: 18.3 W - Graphics: 9.2 W - DRAM: 1.9 W          
2020-04-01 08:13:56.765: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1071 mV - Package: 18.7 W - Graphics: 8.7 W - DRAM: 1.8 W          
2020-04-01 08:13:57.768: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1083 mV - Package: 18.4 W - Graphics: 8.9 W - DRAM: 1.8 W          
2020-04-01 08:13:58.771: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1075 mV - Package: 18.4 W - Graphics: 8.9 W - DRAM: 1.8 W          
2020-04-01 08:13:59.774: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1081 mV - Package: 18.3 W - Graphics: 8.7 W - DRAM: 1.9 W          
2020-04-01 08:14:00.777: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1007 mV - Package: 18.3 W - Graphics: 9.0 W - DRAM: 1.9 W          
2020-04-01 08:14:01.779: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1077 mV - Package: 18.9 W - Graphics: 9.0 W - DRAM: 1.8 W          
2020-04-01 08:14:02.782: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 987 mV - Package: 18.9 W - Graphics: 9.0 W - DRAM: 1.8 W          
2020-04-01 08:14:03.785: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1106 mV - Package: 18.6 W - Graphics: 9.0 W - DRAM: 1.9 W          
2020-04-01 08:14:04.787: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 971 mV - Package: 18.8 W - Graphics: 9.1 W - DRAM: 1.8 W          
2020-04-01 08:14:05.790: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 987 mV - Package: 18.8 W - Graphics: 9.0 W - DRAM: 1.8 W          
2020-04-01 08:14:06.792: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 978 mV - Package: 19.3 W - Graphics: 8.8 W - DRAM: 1.8 W          
2020-04-01 08:14:07.794: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1017 mV - Package: 18.4 W - Graphics: 9.0 W - DRAM: 1.9 W          
2020-04-01 08:14:08.799: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 747 mV - Package: 19.0 W - Graphics: 9.2 W - DRAM: 1.9 W          
2020-04-01 08:14:09.802: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 747 mV - Package: 19.2 W - Graphics: 9.1 W - DRAM: 1.9 W          
2020-04-01 08:14:10.805: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1149 mV - Package: 19.2 W - Graphics: 9.2 W - DRAM: 1.8 W          
2020-04-01 08:14:11.807: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 822 mV - Package: 19.5 W - Graphics: 9.0 W - DRAM: 1.9 W          
2020-04-01 08:14:12.809: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 937 mV - Package: 18.4 W - Graphics: 9.0 W - DRAM: 1.8 W          
2020-04-01 08:14:13.812: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1097 mV - Package: 18.6 W - Graphics: 8.9 W - DRAM: 1.8 W          
2020-04-01 08:14:14.814: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1000 mV - Package: 19.0 W - Graphics: 9.0 W - DRAM: 1.9 W          
2020-04-01 08:14:15.817: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 977 mV - Package: 18.6 W - Graphics: 9.2 W - DRAM: 1.9 W          
2020-04-01 08:14:16.820: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 981 mV - Package: 19.4 W - Graphics: 9.0 W - DRAM: 1.9 W          
2020-04-01 08:14:17.823: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 1100 mV - Package: 18.9 W - Graphics: 9.1 W - DRAM: 1.8 W          
2020-04-01 08:14:18.825: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1072 mV - Package: 19.2 W - Graphics: 9.0 W - DRAM: 1.8 W          
2020-04-01 08:14:19.828: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1114 mV - Package: 18.6 W - Graphics: 9.0 W - DRAM: 1.8 W          
2020-04-01 08:14:20.830: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1100 mV - Package: 18.7 W - Graphics: 8.9 W - DRAM: 1.8 W          
2020-04-01 08:14:21.833: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1032 mV - Package: 19.0 W - Graphics: 8.8 W - DRAM: 1.8 W          
2020-04-01 08:14:22.835: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1080 mV - Package: 19.1 W - Graphics: 9.0 W - DRAM: 1.8 W          
2020-04-01 08:14:23.838: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1101 mV - Package: 19.3 W - Graphics: 9.2 W - DRAM: 1.9 W          
2020-04-01 08:14:24.841: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1080 mV - Package: 19.2 W - Graphics: 9.3 W - DRAM: 1.9 W          
2020-04-01 08:14:25.843: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1109 mV - Package: 19.2 W - Graphics: 9.2 W - DRAM: 1.9 W          
2020-04-01 08:14:26.846: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1114 mV - Package: 19.7 W - Graphics: 8.7 W - DRAM: 1.8 W          
2020-04-01 08:14:27.849: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1102 mV - Package: 19.3 W - Graphics: 9.1 W - DRAM: 1.9 W          
2020-04-01 08:14:28.852: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1077 mV - Package: 18.8 W - Graphics: 9.1 W - DRAM: 1.8 W          
2020-04-01 08:14:29.854: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1052 mV - Package: 18.7 W - Graphics: 9.2 W - DRAM: 1.8 W          
2020-04-01 08:14:30.857: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 937 mV - Package: 19.6 W - Graphics: 9.0 W - DRAM: 1.8 W          
2020-04-01 08:14:31.860: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1127 mV - Package: 19.2 W - Graphics: 9.1 W - DRAM: 1.9 W          
2020-04-01 08:14:32.863: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 753 mV - Package: 19.0 W - Graphics: 9.1 W - DRAM: 1.8 W          
2020-04-01 08:14:33.866: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1096 mV - Package: 18.8 W - Graphics: 9.0 W - DRAM: 1.8 W          
2020-04-01 08:14:34.869: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 1076 mV - Package: 19.1 W - Graphics: 9.0 W - DRAM: 1.8 W          
2020-04-01 08:14:35.871: [AC] Thermal: OK - Power: OK - Current: LIM - Cross-domain (e.g. GPU): OK  ||  VCore: 980 mV - Package: 19.7 W - Graphics: 8.8 W - DRAM: 1.9 W          
2020-04-01 08:14:36.878: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 478 mV - Package: 5.6 W - Graphics: 2.4 W - DRAM: 1.0 W          
2020-04-01 08:14:37.884: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 478 mV - Package: 0.8 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:14:38.890: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 493 mV - Package: 0.8 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:14:39.896: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 493 mV - Package: 0.7 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:14:40.902: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 493 mV - Package: 0.7 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:14:41.908: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 493 mV - Package: 0.8 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:14:42.914: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 498 mV - Package: 0.7 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:14:43.920: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 498 mV - Package: 0.8 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:14:44.926: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 498 mV - Package: 0.8 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:14:45.932: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 498 mV - Package: 0.8 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:14:46.937: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 498 mV - Package: 0.9 W - Graphics: 0.0 W - DRAM: 0.3 W          
2020-04-01 08:14:47.942: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 560 mV - Package: 2.2 W - Graphics: 0.5 W - DRAM: 0.5 W          
2020-04-01 08:14:48.947: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 498 mV - Package: 4.0 W - Graphics: 1.9 W - DRAM: 1.1 W          
2020-04-01 08:14:49.953: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 503 mV - Package: 0.8 W - Graphics: 0.1 W - DRAM: 0.3 W          
2020-04-01 08:14:50.959: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 503 mV - Package: 0.9 W - Graphics: 0.1 W - DRAM: 0.3 W          
2020-04-01 08:14:51.965: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 502 mV - Package: 1.0 W - Graphics: 0.1 W - DRAM: 0.4 W          
2020-04-01 08:14:52.968: [AC] Thermal: OK - Power: OK - Current: OK - Cross-domain (e.g. GPU): OK  ||  VCore: 679 mV - Package: 3.4 W - Graphics: 1.4 W - DRAM: 0.9 W          
 Freq MHz      IRQ RC6 Power     IMC MiB/s           RCS/0           BCS/0           VCS/0          VECS/0 
 req  act       /s   %     W     rd     wr       %  se  wa       %  se  wa       %  se  wa       %  se  wa 
   0    0        0  99  0.00    387     55    0.00   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1148 1147       51  94  0.42    978    456    4.45   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1093 1088       93  66  0.87   1507    945    8.97   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1108 1080     8838  25  5.59   3040   3007   62.52   0   0    0.36   0   0    0.00   0   0    0.00   0   0 
1150 1061    15123   0  8.09   2831   3268   99.72   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1149 1100    15684   0  8.64   2798   3242   99.03   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1084    16097   0  8.59   2758   3229   99.23   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1076    18245   0  8.63   3002   3597   99.09   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1077    19446   0  8.67   3121   3772   99.33   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1057    18961   0  8.34   3106   3750   99.62   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1069    19322   0  8.55   3106   3772   99.47   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1065    19660   0  8.56   3084   3752   99.64   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1065    19258   0  8.46   3117   3768   99.56   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1095    20183   0  8.91   3117   3814   98.61   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1149 1070    19314   0  8.56   3017   3647   99.42   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1082    19885   0  8.86   3087   3715   99.18   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1085    20238   0  8.89   3087   3793   99.20   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1098    20497   0  9.15   3139   3851   99.35   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
 Freq MHz      IRQ RC6 Power     IMC MiB/s           RCS/0           BCS/0           VCS/0          VECS/0 
 req  act       /s   %     W     rd     wr       %  se  wa       %  se  wa       %  se  wa       %  se  wa 
1150 1084    19944   0  8.90   3089   3753   99.55   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1084    19627   0  8.86   3139   3808   99.45   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1081    19749   0  8.89   3086   3751   99.47   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1090    19774   0  9.00   3062   3716   99.41   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1149 1081    19815   0  8.90   3105   3762   99.47   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1077    19304   0  8.75   3101   3750   99.62   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1090    19934   0  9.00   3164   3839   99.48   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1102    20292   0  9.12   3150   3830   99.35   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1097    20085   0  9.16   3097   3765   99.32   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1073    19100   0  8.70   3058   3687   99.72   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1087    19517   0  8.90   3076   3695   99.47   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1081    20261   0  8.93   3067   3737   99.20   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1155 1066    19465   0  8.74   3089   3740   99.50   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1080    19888   0  8.89   3097   3775   99.46   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1091    20118   0  9.09   3101   3749   98.85   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1082    19253   0  8.91   3087   3695   99.56   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1084    20146   0  9.08   3161   3838   98.75   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1087    19863   0  8.95   3064   3709   98.69   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
 Freq MHz      IRQ RC6 Power     IMC MiB/s           RCS/0           BCS/0           VCS/0          VECS/0 
 req  act       /s   %     W     rd     wr       %  se  wa       %  se  wa       %  se  wa       %  se  wa 
1150 1096    20119   0  9.17   3077   3726   98.76   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1149 1085    18840   0  8.78   3061   3653   99.77   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1084    19374   0  8.82   3071   3716   99.36   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1104    20517   0  9.27   3117   3828   98.49   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1103    20227   0  9.15   3131   3822   98.34   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1083    19686   0  9.03   3047   3700   99.37   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1077    19951   0  9.00   3129   3818   99.50   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1091    19787   0  9.10   3054   3716   99.02   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1085    19800   0  9.07   3088   3753   99.45   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1090    19334   0  8.99   3075   3709   99.51   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1149 1091    20021   0  9.11   3157   3866   99.25   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1079    19372   0  8.96   3083   3727   99.25   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1088    19641   0  9.16   3068   3700   99.45   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1084    19293   0  9.06   3043   3669   99.62   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1087    19597   0  9.00   3046   3691   99.49   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1083    19175   0  8.88   2983   3591   99.53   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1080    19578   0  8.82   3040   3703   99.61   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1072    19702   0  9.01   3047   3688   99.57   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
 Freq MHz      IRQ RC6 Power     IMC MiB/s           RCS/0           BCS/0           VCS/0          VECS/0 
 req  act       /s   %     W     rd     wr       %  se  wa       %  se  wa       %  se  wa       %  se  wa 
1150 1078    19259   0  8.98   3087   3716   99.55   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1149 1094    19965   0  9.33   3154   3828   99.49   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1083    19988   0  9.27   3114   3739   99.37   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1150 1068    19610   0  8.78   3069   3728   99.86   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1149 1076    19653   0  8.98   3098   3735   99.51   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1149 1086    19503   0  9.19   3064   3684   99.23   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1149 1083    19758   0  9.25   3079   3702   99.24   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1149 1078    19592   0  8.99   3096   3746   99.58   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1149 1077    19870   0  8.99   3133   3787   99.30   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1149 1086    19636   0  9.09   3061   3696   99.41   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1148 1079    19362   0  9.08   2984   3572   99.15   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1149 1083    19108   0  8.98   3030   3631   99.64   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1149 1068    19074   0  8.88   3016   3603   99.57   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1137 1098     7162   0  4.79   3409   2750   52.89   0   0    0.42   0   0    0.00   0   0    0.00   0   0 
1117 1116        9  96  0.08    230     68    0.41   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1115 1116       10  75  0.04    240     59    0.42   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1116 1116        8  99  0.03    233     47    0.31   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1116 1116        8  99  0.02    232     46    0.25   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
 Freq MHz      IRQ RC6 Power     IMC MiB/s           RCS/0           BCS/0           VCS/0          VECS/0 
 req  act       /s   %     W     rd     wr       %  se  wa       %  se  wa       %  se  wa       %  se  wa 
1116 1116        8  99  0.02    233     46    0.25   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1116 1116        8  99  0.02    234     47    0.25   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1116 1115        8  99  0.02    235     47    0.25   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1116 1116        8  99  0.03    232     47    0.29   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1116 1116        8  99  0.02    251     47    0.26   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1115 1116        7  99  0.02    404     57    0.24   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1116 1112      151  60  0.20    789    105    1.89   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1091 1083      369   3  1.46   2281   1300   15.59   0   0    0.36   0   0    0.00   0   0    0.00   0   0 
1087 1087       81  65  0.80   1261    837    7.67   0   0    0.53   1   0    0.00   0   0    0.00   0   0 
1088 1088       10  86  0.06    386     93    0.61   0   0    0.00   0   0    0.00   0   0    0.00   0   0 
1082 1082        8  99  0.06    283     88    0.62   0   0    0.00   0   0    0.00   0   0    0.00   0   0 

@erpalma
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erpalma commented Apr 2, 2020

Actually the GPU power usage went down by about 2W. There is no official documentation about the actual GPU voltage boundaries, I guess that there might be a maximum ratio between CPU and GPU voltage. We should test this on XTU and see what happens.

@nszceta
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nszceta commented Apr 2, 2020

I take that back. It does work and it instantly crashes with a -1050 mV adjustment. I guess I stopped just short of the crashing threshold when I reported the original bug. I'll post benchmarking results of glmark2 vs voltage offset soon.

@erpalma
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erpalma commented Apr 3, 2020

Hmm, still this sounds me like a bug. It is kind of impossible that your GPU can work at -1V offset voltage. On XTU I get an instant reboot on -500mV

@nszceta
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nszceta commented Apr 3, 2020

image

@erpalma
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erpalma commented Apr 5, 2020

So, I've done some tests both on Windows and Linux. I see that you have set throttled like this:

CORE: -115
GPU: -999
CACHE: -115
UNCORE: -115
ANALOGIO: 0

Now, there is a long standing bug that I need to address (I guess next week) that is related to the labels for these voltage planes. Actually, from Skylake on the UNCORE plane is actually iGPU Unslice and ANALOGIO is SystemAgent, which is mostly the memory controller. Now, iGPU Unslice is a seciton of the GPU which is not dependent on the Execution Units, for instance the video encode/decode units. The processor can selectively enable and disable the execution units, leaving only the Unslice section active, like when you are just playing a movie full screen to save power. I suspect that the iGPU and iGPU Unslice planes are bound and the processor "choose" the higher voltage of the two. If you try lowering both at the same time you should get freezes much much sooner. -900mV offset means that you are actually working near 0V which is clearly impossible. I don't know how you measured the performance in your chart but the vertical axis scale is a bit misleading since there is only a 5% difference from min to max values. Have you repeated the test multiple times? Did you leave time for the laptop to cool down between tests?

@nszceta
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nszceta commented Apr 5, 2020

I kept the laptop hot between tests since there were only a few milliseconds between tests. I documented some more here: https://adamgradzki.com/2020/04/03/thinkpad-gpu-undervolt/

@dnisyd
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dnisyd commented Aug 7, 2020

I am running the following on my ThinkPad X1C6:

Linux thinkpad-x1c 5.8.0-arch1-1 #1 SMP PREEMPT Mon, 03 Aug 2020 18:43:29 +0000 x86_64 GNU/Linux

[UNDERVOLT.BATTERY]
CORE: -140
GPU: -400
CACHE: -140
UNCORE: -100
ANALOGIO: 0

[UNDERVOLT.AC]
CORE: -140
GPU: -400
CACHE: -140
UNCORE: -90
ANALOGIO: 0

So far this is running stable. Has there been any new info on the GPU voltage variable?

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