lowlatency kernel is lacking support for latencytop
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Fix Released
|
Undecided
|
Tim Gardner | ||
Zesty |
Fix Released
|
Undecided
|
Tim Gardner |
Bug Description
Actual behavior:
$ sudo latencytop
mount: none is already mounted or /sys/kernel/debug busy
Please enable the CONFIG_LATENCYTOP configuration in your kernel.
Exiting...
$ grep -i latencytop /boot/config-`uname -r`
CONFIG_
# CONFIG_LATENCYTOP is not set
Expected behavior:
# working latencytop and
$ grep -i latencytop /boot/config-`uname -r`
CONFIG_
CONFIG_LATENCYTOP=y
Tested with package linux-image-
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-lowlatency 4.4.0.59.62
ProcVersionSign
Uname: Linux 4.4.0-57-lowlatency x86_64
ApportVersion: 2.20.1-0ubuntu2.4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
CurrentDesktop: MATE
Date: Thu Jan 12 16:33:59 2017
EcryptfsInUse: Yes
HibernationDevice:
#RESUME=
#RESUME=
InstallationDate: Installed on 2009-10-08 (2652 days ago)
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Alpha amd64 (20091008)
IwConfig:
lo no wireless extensions.
eth1 no wireless extensions.
MachineType: System manufacturer System Product Name
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=
RelatedPackageV
linux-
linux-
linux-firmware 1.157.6
RfKill:
SourcePackage: linux
UpgradeStatus: Upgraded to xenial on 2016-11-14 (59 days ago)
dmi.bios.date: 08/20/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1401
dmi.board.
dmi.board.name: P8H77-M PRO
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.
dmi.modalias: dmi:bvnAmerican
dmi.product.name: System Product Name
dmi.product.
dmi.sys.vendor: System manufacturer
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