Public bug reported:
This is a public version of: https://bugs.launchpad.net/bugs/2078898
[ Impact ]
* Performance improvement for intel hardware with dynamic HWP (Hardware
P-States)
[ Fix ]
Upstream commits support dynamic HWP:
7ea81936b853 x86/cpufeatures: Add HWP highest perf change feature flag
d845cd901b28 cpufreq: intel_pstate: Support highest performance change
interrupt
[ Test Plan ]
* check on supported hardware that the correct max cpu freq is detected
[ Where problems could occur ]
* Regression on intel CPU frequency
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Noble)
Importance: Undecided
Status: In Progress
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Noble)
Importance: Undecided
Status: New
** Also affects: Ubuntu Noble
Importance: Undecided
Status: New
** Description changed:
+ This is a public version of: https://bugs.launchpad.net/bugs/2078898
+
[ Impact ]
- * Performance improvement for intel hardware with dynamic HWP (Hardware
+ * Performance improvement for intel hardware with dynamic HWP (Hardware
P-States)
[ Fix ]
Upstream commits support dynamic HWP:
- 7ea81936b853 x86/cpufeatures: Add HWP highest perf change feature flag
- d845cd901b28 cpufreq: intel_pstate: Support highest performance change
interrupt
+ 7ea81936b853 x86/cpufeatures: Add HWP highest perf change feature flag
+ d845cd901b28 cpufreq: intel_pstate: Support highest performance change
interrupt
[ Test Plan ]
- check on supported hardware that the correct max cpu freq is detected
[ Where problems could occur ]
- * Regression on intel CPU frequency
+ * Regression on intel CPU frequency
** Description changed:
This is a public version of: https://bugs.launchpad.net/bugs/2078898
[ Impact ]
* Performance improvement for intel hardware with dynamic HWP (Hardware
P-States)
[ Fix ]
Upstream commits support dynamic HWP:
7ea81936b853 x86/cpufeatures: Add HWP highest perf change feature flag
d845cd901b28 cpufreq: intel_pstate: Support highest performance change
interrupt
[ Test Plan ]
- - check on supported hardware that the correct max cpu freq is detected
+ * check on supported hardware that the correct max cpu freq is detected
[ Where problems could occur ]
* Regression on intel CPU frequency
** No longer affects: ubuntu
** No longer affects: Ubuntu Noble
** Changed in: linux (Ubuntu Noble)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/2090852
Title:
[SRU] power: intel_pstate: HWP interrupt support for maximum ratio
changed
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