sudo powertop (idel stats)
Package | Core | CPU 0 CPU 4
POLL 0.0% | POLL 0.0% | POLL 0.0% 0.0 ms 0.1%
3.1 ms
C1E-SKL 0.5% | C1E-SKL 0.2% | C1E-SKL 0.4% 0.6 ms 0.0%
0.1 ms
C3-SKL 0.2% | C3-SKL 0.1% | C3-SKL 0.2% 0.4 ms 0.0%
0.1 ms
C6-SKL 2.8% | C6-SKL 1.5% | C6-SKL 1.8% 0.7 ms 1.2%
1.4 ms
C7s-SKL 0.2% | C7s-SKL 0.0% | C7s-SKL 0.0% 1.7 ms 0.0%
0.0 ms
C8-SKL 24.2% | C8-SKL 19.7% | C8-SKL 29.2% 3.1 ms 10.2%
3.9 ms
C9-SKL 0.0% | C9-SKL 0.0% | C9-SKL 0.0% 0.0 ms 0.0%
1.1 ms
C10-SKL 67.5% | C10-SKL 75.3% | C10-SKL 63.9% 11.5 ms 86.7%
17.5 ms
| Core | CPU 1 CPU 5
| POLL 0.1% | POLL 0.2% 3.8 ms 0.0%
0.0 ms
| C1E-SKL 0.8% | C1E-SKL 1.0% 0.4 ms 0.5%
0.7 ms
| C3-SKL 0.3% | C3-SKL 0.6% 0.5 ms 0.0%
0.2 ms
| C6-SKL 4.3% | C6-SKL 6.1% 0.8 ms 2.5%
0.9 ms
| C7s-SKL 0.5% | C7s-SKL 1.0% 1.4 ms 0.1%
1.5 ms
| C8-SKL 29.9% | C8-SKL 48.0% 2.9 ms 11.7%
3.3 ms
| C9-SKL 0.1% | C9-SKL 0.1% 1.7 ms 0.0%
1.9 ms
| C10-SKL 57.5% | C10-SKL 37.3% 5.6 ms 77.7%
14.9 ms
| Core | CPU 2 CPU 6
| POLL 0.0% | POLL 0.0% 1.1 ms 0.0%
0.0 ms
| C1E-SKL 0.5% | C1E-SKL 0.6% 0.6 ms 0.5%
0.6 ms
| C3-SKL 0.2% | C3-SKL 0.2% 0.4 ms 0.1%
0.3 ms
| C6-SKL 3.2% | C6-SKL 2.0% 0.7 ms 4.4%
1.4 ms
| C7s-SKL 0.0% | C7s-SKL 0.1% 1.1 ms 0.0%
1.4 ms
| C8-SKL 27.0% | C8-SKL 36.4% 3.3 ms 17.5%
2.8 ms
| C9-SKL 0.0% | C9-SKL 0.0% 0.7 ms 0.0%
0.0 ms
| C10-SKL 64.5% | C10-SKL 56.3% 8.7 ms 72.8%
16.1 ms
| Core | CPU 3 CPU 7
| POLL 0.0% | POLL 0.0% 0.0 ms 0.0%
0.0 ms
| C1E-SKL 0.6% | C1E-SKL 0.8% 1.1 ms 0.3%
1.2 ms
| C3-SKL 0.1% | C3-SKL 0.1% 0.2 ms 0.0%
0.3 ms
| C6-SKL 2.2% | C6-SKL 1.6% 0.6 ms 2.8%
2.7 ms
| C7s-SKL 0.0% | C7s-SKL 0.1% 1.9 ms 0.0%
0.9 ms
| C8-SKL 20.4% | C8-SKL 30.4% 3.6 ms 10.5%
2.8 ms
| C9-SKL 0.0% | C9-SKL 0.0% 0.0 ms 0.0%
0.1 ms
| C10-SKL 72.6% | C10-SKL 62.4% 9.9 ms 82.9%
17.6 ms
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1672439
Title:
No C-State Deeper than C3 utilized by Kaby Lake 7820HQ in Precision
5520
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Xenial:
Incomplete
Bug description:
My processor does not appear to be utilizing and idling states deeper
than C3.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-66-generic 4.4.0-66.87
ProcVersionSignature: Ubuntu 4.4.0-66.87-generic 4.4.44
Uname: Linux 4.4.0-66-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: carl 2446 F.... pulseaudio
CurrentDesktop: Unity
Date: Mon Mar 13 08:57:06 2017
DistributionChannelDescriptor:
# This is a distribution channel descriptor
# For more information see
http://wiki.ubuntu.com/DistributionChannelDescriptor
canonical-oem-somerville-xenial-amd64-20160624-2
HibernationDevice: RESUME=UUID=65474558-ead3-4d66-85e5-b55f81978b88
InstallationDate: Installed on 2017-03-09 (3 days ago)
InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary
20160624-10:47
IwConfig:
lo no wireless extensions.
wlp2s0 no wireless extensions.
MachineType: Dell Inc. Precision 5520
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-66-generic.efi.signed
root=UUID=d19efcb8-515b-494c-a236-ee0da23f2393 ro acpi_rev_override locale=C
quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-66-generic N/A
linux-backports-modules-4.4.0-66-generic N/A
linux-firmware 1.157.8
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/18/2017
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.1.3
dmi.board.name: 0X41RR
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.1.3:bd01/18/2017:svnDellInc.:pnPrecision5520:pvr:rvnDellInc.:rn0X41RR:rvrA00:cvnDellInc.:ct10:cvr:
dmi.product.name: Precision 5520
dmi.sys.vendor: Dell Inc.
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