Public bug reported:
SRU Justification
[Impact]
This request for all the ARM images Kernel have config updated . There is
performance issues due to these config setting and after troubleshooting MSFT
team found below two settings to update .
Recommended
CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=n
CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=y
[Test Case]
Microsoft tested
[Where things could go wrong]
Performance could decrease for some workloads.
[Other Info]
SF: #00343662
** Affects: linux-azure (Ubuntu)
Importance: Medium
Assignee: Tim Gardner (timg-tpi)
Status: In Progress
** Affects: linux-azure (Ubuntu Focal)
Importance: Medium
Assignee: Tim Gardner (timg-tpi)
Status: In Progress
** Affects: linux-azure (Ubuntu Jammy)
Importance: Medium
Assignee: Tim Gardner (timg-tpi)
Status: In Progress
** Affects: linux-azure (Ubuntu Kinetic)
Importance: Medium
Assignee: Tim Gardner (timg-tpi)
Status: In Progress
** Also affects: linux-azure (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-azure (Ubuntu Kinetic)
Importance: Undecided
Status: New
** Also affects: linux-azure (Ubuntu Jammy)
Importance: Undecided
Status: New
** Changed in: linux-azure (Ubuntu Kinetic)
Importance: Undecided => Medium
** Changed in: linux-azure (Ubuntu Kinetic)
Status: New => In Progress
** Changed in: linux-azure (Ubuntu Kinetic)
Assignee: (unassigned) => Tim Gardner (timg-tpi)
** Changed in: linux-azure (Ubuntu Jammy)
Importance: Undecided => Medium
** Changed in: linux-azure (Ubuntu Jammy)
Status: New => In Progress
** Changed in: linux-azure (Ubuntu Jammy)
Assignee: (unassigned) => Tim Gardner (timg-tpi)
** Changed in: linux-azure (Ubuntu Focal)
Importance: Undecided => Medium
** Changed in: linux-azure (Ubuntu Focal)
Status: New => In Progress
** Changed in: linux-azure (Ubuntu Focal)
Assignee: (unassigned) => Tim Gardner (timg-tpi)
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https://bugs.launchpad.net/bugs/1988434
Title:
azure: Set arm64 CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=n
Status in linux-azure package in Ubuntu:
In Progress
Status in linux-azure source package in Focal:
In Progress
Status in linux-azure source package in Jammy:
In Progress
Status in linux-azure source package in Kinetic:
In Progress
Bug description:
SRU Justification
[Impact]
This request for all the ARM images Kernel have config updated . There is
performance issues due to these config setting and after troubleshooting MSFT
team found below two settings to update .
Recommended
CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=n
CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=y
[Test Case]
Microsoft tested
[Where things could go wrong]
Performance could decrease for some workloads.
[Other Info]
SF: #00343662
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1988434/+subscriptions
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