APPLIED: [SRU][N/O][PATCH 0/1 v2] optimized default EPP for GNR family

Koichiro Den koichiro.den at canonical.com
Fri Feb 14 06:49:41 UTC 2025


On Fri, Feb 07, 2025 at 11:32:36AM GMT, Thibault Ferrante wrote:
> BugLink: https://bugs.launchpad.net/bugs/2097554
>
> [ Impact ]
>
>  * Update EPP default for balance_performance to 32. This will give
>    better performance out of box using Intel P-State powersave governor
>    while still offering power savings compared to performance governor.
>  * Improvement of ~10% on perf per/watt for Granite Rapids hardware.
>
> [ Fix ]
>
>  * Clean cherry-pick from upstream:
>    00e2c199cb378 cpufreq: intel_pstate: Update Balance-performance EPP for Granite Rapids
>
> [ Test Plan ]
>
>  * Compiled and tested by intel.
>
> [ Where problems could occur ]
>
>  * Performance or powersaving regression.
>
> v1 -> v2: fix wrong upstream commit reference in commit body.
>
> Srinivas Pandruvada (1):
>   cpufreq: intel_pstate: Update Balance-performance EPP for Granite
>     Rapids
>
>  drivers/cpufreq/intel_pstate.c | 2 ++
>  1 file changed, 2 insertions(+)
>

Applied to oracular:linux, noble:linux master-next branches. Thanks!



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