Messages in this thread | | | Date | Wed, 7 Feb 2024 11:49:09 +0000 | Subject | Re: [PATCH v7 00/23] Introduce runtime modifiable Energy Model | From | Lukasz Luba <> |
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On 2/7/24 10:31, Rafael J. Wysocki wrote: > Hi Lukasz, > > On Wed, Feb 7, 2024 at 10:15 AM Lukasz Luba <lukasz.luba@arm.com> wrote: >> >> Hi Rafael, >> >> On 1/17/24 09:56, Lukasz Luba wrote: >>> Hi all, >>> >>> This patch set adds a new feature which allows to modify Energy Model (EM) >>> power values at runtime. It will allow to better reflect power model of >>> a recent SoCs and silicon. Different characteristics of the power usage >>> can be leveraged and thus better decisions made during task placement in EAS. >>> >> >> [snip] >> >>> >>> >>> Lukasz Luba (23): >>> PM: EM: Add missing newline for the message log >>> PM: EM: Extend em_cpufreq_update_efficiencies() argument list >>> PM: EM: Find first CPU active while updating OPP efficiency >>> PM: EM: Refactor em_pd_get_efficient_state() to be more flexible >>> PM: EM: Introduce em_compute_costs() >>> PM: EM: Check if the get_cost() callback is present in >>> em_compute_costs() >>> PM: EM: Split the allocation and initialization of the EM table >>> PM: EM: Introduce runtime modifiable table >>> PM: EM: Use runtime modified EM for CPUs energy estimation in EAS >>> PM: EM: Add functions for memory allocations for new EM tables >>> PM: EM: Introduce em_dev_update_perf_domain() for EM updates >>> PM: EM: Add em_perf_state_from_pd() to get performance states table >>> PM: EM: Add performance field to struct em_perf_state and optimize >>> PM: EM: Support late CPUs booting and capacity adjustment >>> PM: EM: Optimize em_cpu_energy() and remove division >>> powercap/dtpm_cpu: Use new Energy Model interface to get table >>> powercap/dtpm_devfreq: Use new Energy Model interface to get table >>> drivers/thermal/cpufreq_cooling: Use new Energy Model interface >>> drivers/thermal/devfreq_cooling: Use new Energy Model interface >>> PM: EM: Change debugfs configuration to use runtime EM table data >>> PM: EM: Remove old table >>> PM: EM: Add em_dev_compute_costs() >>> Documentation: EM: Update with runtime modification design >>> >>> Documentation/power/energy-model.rst | 183 ++++++++++- >>> drivers/powercap/dtpm_cpu.c | 39 ++- >>> drivers/powercap/dtpm_devfreq.c | 34 +- >>> drivers/thermal/cpufreq_cooling.c | 45 ++- >>> drivers/thermal/devfreq_cooling.c | 49 ++- >>> include/linux/energy_model.h | 165 ++++++---- >>> kernel/power/energy_model.c | 472 +++++++++++++++++++++++---- >>> 7 files changed, 819 insertions(+), 168 deletions(-) >>> >> >> The patch set went through decent review. If you don't have any issues, >> I will collect the tags and send the v8 which will be re-based on some >> recent linux next (or please tell me your preferred branch). > > Blease base it on 6.8-rc3.
OK, thanks
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