Bug 2181277 - update cpuidle subsystem to Linux v6.3
Summary: update cpuidle subsystem to Linux v6.3
Keywords:
Status: VERIFIED
Alias: None
Product: Red Hat Enterprise Linux 9
Classification: Red Hat
Component: kernel
Version: 9.3
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Mark Langsdorf
QA Contact: Erik Hamera
URL:
Whiteboard:
: 2159210 (view as bug list)
Depends On:
Blocks: 2159160
TreeView+ depends on / blocked
 
Reported: 2023-03-23 14:24 UTC by Mark Langsdorf
Modified: 2023-08-08 15:04 UTC (History)
3 users (show)

Fixed In Version: kernel-5.14.0-346.el9
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Type: Bug
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System ID Private Priority Status Summary Last Updated
Gitlab redhat/centos-stream/src/kernel centos-stream-9 merge_requests 2651 0 None opened update drivers/cpuidle to match v6.3 2023-06-29 13:31:54 UTC
Red Hat Issue Tracker RHELPLAN-152926 0 None None None 2023-03-23 14:24:58 UTC

Description Mark Langsdorf 2023-03-23 14:24:09 UTC 
Partners are requesting that the cpuidle system be updated to match the Linux v6.3 kernel. Backport the changes from kernel v6.0 to v6.3 into the RHEL-9.3 kernel.
Comment 1 Mark Langsdorf 2023-03-23 14:30:54 UTC 
*** Bug 2159210 has been marked as a duplicate of this bug. ***
Comment 6 Erik Hamera 2023-07-26 11:07:02 UTC 
CPU cores are in deep C-states.

# cpupower idle-info
CPUidle driver: intel_idle
CPUidle governor: menu
analyzing CPU 0:

Number of idle states: 5
Available idle states: POLL C1 C1E C3 C6
POLL:
Flags/Description: CPUIDLE CORE POLL IDLE
Latency: 0
Usage: 156
Duration: 3297
C1:
Flags/Description: MWAIT 0x00
Latency: 2
Usage: 10958
Duration: 1659942
C1E:
Flags/Description: MWAIT 0x01
Latency: 10
Usage: 3262
Duration: 902870
C3 (DISABLED) :
Flags/Description: MWAIT 0x10
Latency: 40
Usage: 0
Duration: 0
C6:
Flags/Description: MWAIT 0x20
Latency: 133
Usage: 621772
Duration: 38894934023
Comment 10 Erik Hamera 2023-08-04 13:52:08 UTC 
All regression tests has passed on the Linux 5.14.0-349.el9 kernel.
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