EAS-K54
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liglei
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eas k5.5 (十)：Thermal/Cpu Cooling as Energy Model (EM) user
Add support for devices in the Energy Model [LWN.net][PATCH v8 0/8] Add support for devices in the Energy Model - Lukasz Luba原创 2021-10-26 11:40:39 · 279 阅读 · 0 评论 -
eas k5.4 (一)：v5.4 - Patch-set sched:fair: Reduce complexity of energy calculation
pending原创 2020-04-09 13:41:46 · 623 阅读 · 0 评论 -
eas k5.4 (二)：v5.4 - Util(ization) clamping
Utilizationclamping把cpu的util钳位到[util_min,util_max]范围内，util_min,util_max取决于cpu上的runnable task；每个task使用两个clampbuckets定义该task的最大/最小utilization钳位值util_{min,max}。 每个cpu有5个（默认值）uclamp_bucket， rq上的定义...原创 2020-01-21 16:08:22 · 4790 阅读 · 0 评论 -
eas k5.4 (三)：v5.3 - Tracepoints (PELT and over-utilzation)
https://lore.kernel.org/lkml/20190604111459.2862-6-qais.yousef@arm.com/a056a5b sched/debug: Export the newly added tracepointsf9f240f sched/debug: Add sched_overutilized tracepoint8de6242 sched/de...原创 2020-01-17 16:57:53 · 277 阅读 · 0 评论 -
eas k5.4 (四)：v5.0 - Per-cpu Energy Model and Energy Aware Scheduling
Linux 5.0 new feature:https://kernelnewbies.org/Linux_5.0#Energy-aware_Scheduling_for_Arm_big.LITTLE 732cd75 sched/fair: Select an energy-efficient CPU on task wake-up 390031e4 sched/fair: Introdu...原创 2020-01-21 13:40:41 · 738 阅读 · 0 评论 -
eas k5.4 (五)：v4.20 - Runtime scheduler domain flag detection
AOSP Kernel4.14已经有这个feature，kernel4.20参考AOSP kernel也支持这个feature：e1799a8 sched/topology, arch/arm: Rebuild sched_domain hierarchy when CPU capacity changes3ba09df sched/topology, arch/arm64: Rebuild...原创 2020-03-31 14:31:25 · 481 阅读 · 0 评论 -
eas k5.4 (六)：v4.20 - Misfit task
757ffdd sched/fair: Set rq->rd->overload when misfite90c8fe sched/fair: Wrap rq->rd->overload accesses with READ/WRITE_ONCE()575638d sched/core: Change root_domain->overload type to i...原创 2020-03-31 15:33:21 · 457 阅读 · 0 评论 -
eas k5.4 (七)：v4.17 - Util(ization) Est(imated)
519329 sched/fair: Update util_est only on util_avg updatesa07630b sched/cpufreq/schedutil: Use util_est for OPP selectionf9be3e5 sched/fair: Use util_est in LB and WU paths7f65ea4 sched/fair: Add ...原创 2020-04-09 08:09:56 · 786 阅读 · 0 评论 -
eas k5.4 (八)：v4.17 - Idle CPU Per-Entity Load-Tracking (PELT) update
10a35e6 sched/pelt: Skip updating util_est when utilization is higher than CPU's capacity2312729 sched/fair: Update scale invariance of PELT62478d9 sched/fair: Move the rq_of() helper function原创 2020-03-31 19:15:26 · 228 阅读 · 0 评论 -
eas k5.4 (九)：v4.15 - Frequency Invariant Engine (FIE)
https://lkml.org/lkml/2017/7/6/268原创 2020-03-31 20:53:19 · 640 阅读 · 0 评论