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cpuidle, bpf: Introduce BPF-ext cpuidle governor policy via struct_ops #5868

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cpuidle, bpf: Introduce BPF-ext cpuidle governor policy via struct_ops #5868

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9a3ec65
cpuidle: Implement BPF extensible cpuidle governor class
Sep 1, 2025
a4f2be0
selftests/bpf: Add selftests for cpuidle_gov_ext
Sep 1, 2025
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12 changes: 12 additions & 0 deletions drivers/cpuidle/Kconfig
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Expand Up @@ -44,6 +44,18 @@ config CPU_IDLE_GOV_HALTPOLL

Some virtualized workloads benefit from using it.

config CPU_IDLE_GOV_EXT
bool "bpf cpuidle ext governor"
depends on BPF_SYSCALL && BPF_JIT && DEBUG_INFO_BTF
default y
help
This governor implements a simple cpuidle ext governor,
which can be customized by a BPF program without modifying
kernel code.

Some scenarios benefit where CPUidle policy needs
to be customized based on user-space requirements.

config DT_IDLE_STATES
bool

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1 change: 1 addition & 0 deletions drivers/cpuidle/governors/Makefile
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Expand Up @@ -7,3 +7,4 @@ obj-$(CONFIG_CPU_IDLE_GOV_LADDER) += ladder.o
obj-$(CONFIG_CPU_IDLE_GOV_MENU) += menu.o
obj-$(CONFIG_CPU_IDLE_GOV_TEO) += teo.o
obj-$(CONFIG_CPU_IDLE_GOV_HALTPOLL) += haltpoll.o
obj-$(CONFIG_CPU_IDLE_GOV_EXT) += ext.o
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