[Bug 2087816] Re: [SRU] patch thermald in noble to support Intel Lunar Lake and Arrow Lake CPUs

[Yao Wei]

** Description changed:

  [ Impact ]
  
   * This is an update of thermald in noble to support Intel Core Ultra
  Processors (Series 2), aka Lunar Lake and Arrow Lake
  
  [ Test Plan ]
  
- Pick each of the Alder Lake, Raptor Lake, Lunar Lake, and Arrow Lake
- systems and run the following tests:
+ Pick each of the Raptor Lake, Lunar Lake, and Arrow Lake systems and run
+ the following tests:
  
  1. Run stress-ng, and observe the temperature/frequency/power with s-tui
    - Temperatures should stay just below trip values
    - Power/performance profiles should stay roughly the same between old thermald and new thermald (unless specifically expected eg: to fix premature/insufficient throttling)
  2. check if thermald could read rules from /dev/acpi_thermal_rel and generate the xml file on /etc/thermald/ correctly.
    - this depends on if acpi_thermal_rel exist.
    - if the machine suppots acpi_thermal_rel, the "thermal-conf.xml.auto"
   could be landed in etc/thermald/.
    - if not, the user-defined xml could be created, then jump to (3).
    - run thermald with --loglevel=debug, and compare the log with xml.auto file. check if the configuration could be parsed correctly.
  3. check if thermal-conf.xml and thermal-cpu-cdev-order.xml can be loaded correctly.
    - run thermald with --loglevel=debug, and compare the log with xml files.
    - if parsed correctly, the configurations from XML files would appear in the log.
  
  [ Where problems could occur ]
  
   * The above test failed, which means the support for Lunar Lake and
  Arrow Lake are incomplete, or regression happened on the supported
  units.

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https://bugs.launchpad.net/bugs/2087816

Title:
  [SRU] patch thermald in noble to support Intel Lunar Lake and Arrow
  Lake CPUs

Status in OEM Priority Project:
  New
Status in thermald package in Ubuntu:
  New

Bug description:
  [ Impact ]

   * This is an update of thermald in noble to support Intel Core Ultra
  Processors (Series 2), aka Lunar Lake and Arrow Lake

  [ Test Plan ]

  Pick each of the Raptor Lake, Lunar Lake, and Arrow Lake systems and
  run the following tests:

  1. Run stress-ng, and observe the temperature/frequency/power with s-tui
    - Temperatures should stay just below trip values
    - Power/performance profiles should stay roughly the same between old thermald and new thermald (unless specifically expected eg: to fix premature/insufficient throttling)
  2. check if thermald could read rules from /dev/acpi_thermal_rel and generate the xml file on /etc/thermald/ correctly.
    - this depends on if acpi_thermal_rel exist.
    - if the machine suppots acpi_thermal_rel, the "thermal-conf.xml.auto"
   could be landed in etc/thermald/.
    - if not, the user-defined xml could be created, then jump to (3).
    - run thermald with --loglevel=debug, and compare the log with xml.auto file. check if the configuration could be parsed correctly.
  3. check if thermal-conf.xml and thermal-cpu-cdev-order.xml can be loaded correctly.
    - run thermald with --loglevel=debug, and compare the log with xml files.
    - if parsed correctly, the configurations from XML files would appear in the log.

  [ Where problems could occur ]

   * The above test failed, which means the support for Lunar Lake and
  Arrow Lake are incomplete, or regression happened on the supported
  units.

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