Messages in this thread | | | Date | Wed, 7 Feb 2024 09:15:08 +0000 | Subject | Re: [PATCH v7 00/23] Introduce runtime modifiable Energy Model | From | Lukasz Luba <> |
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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).
Regards, Lukasz
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