Comment 0 for bug 1962731

Revision history for this message
Kai-Chuan Hsieh (kchsieh) wrote : No SYS%LPI residency after a suspend/resume when ethernet connected

Try the command

# turbostat -S --show Pkg%pc2,Pkg%pc3,Pkg%pc6,Pkg%pc7,Pkg%pc8,Pkg%pc9,Pk%pc10,CPU%LPI,SYS%LPI rtcwake -m mem -s 15
...
Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 Pkg%pc8 Pkg%pc9 Pk%pc10 CPU%LPI SYS%LPI
9.78 0.25 0.86 6.21 4.37 0.00 67.53 67.67 0.00

There is no SYS%LPI residency.
Unplug ethernet, the residency become

Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 Pkg%pc8 Pkg%pc9 Pk%pc10 CPU%LPI SYS%LPI
8.63 0.13 0.07 22.56 1.24 0.00 53.95 54.08 53.82

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.14.0-1024-oem 5.14.0-1024.26
ProcVersionSignature: Ubuntu 5.14.0-1024.26-oem 5.14.21
Uname: Linux 5.14.0-1024-oem x86_64
ApportVersion: 2.20.11-0ubuntu27.18
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed Mar 2 05:24:51 2022
DistributionChannelDescriptor:
 # This is the distribution channel descriptor for the OEM CDs
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-focal-amd64-20200502-85+fossa-pidgeot+X92
InstallationDate: Installed on 2021-11-03 (118 days ago)
InstallationMedia: Ubuntu 20.04 "Focal" - Build amd64 LIVE Binary 20200502-05:58
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: linux-signed-oem-5.14
UpgradeStatus: No upgrade log present (probably fresh install)