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defconfig: Enable SBalance

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Exclude the last CPU of each cluster from balancing in order to keep the
maximum amount of single-threaded performance available to the system per
each cluster. That way, when IRQ pressure is high, each cluster will have
at least one CPU which isn't affected by IRQ pressure.

Change-Id: I0c77659c6e8302939798890af5c6a92bc68793b7
Signed-off-by: Sultan Alsawaf <sultan@kerneltoast.com>
Signed-off-by: Richard Raya <rdxzv.dev@gmail.com>
This commit is contained in:
Sultan Alsawaf 2023-10-21 22:33:53 -07:00 committed by Richard Raya
parent afb5a3665b
commit 665beea321
1 changed files with 4 additions and 0 deletions
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arch/arm64/configs/surya_defconfig
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@ -75,6 +75,10 @@ CONFIG_GENERIC_MSI_IRQ_DOMAIN=y
CONFIG_HANDLE_DOMAIN_IRQ=y
CONFIG_IRQ_FORCED_THREADING=y
CONFIG_SPARSE_IRQ=y
CONFIG_IRQ_SBALANCE=y
CONFIG_IRQ_SBALANCE_POLL_MSEC=3000
CONFIG_IRQ_SBALANCE_THRESH=1024
CONFIG_SBALANCE_EXCLUDE_CPUS="5,7"
CONFIG_ARCH_CLOCKSOURCE_DATA=y
CONFIG_GENERIC_TIME_VSYSCALL=y
CONFIG_GENERIC_CLOCKEVENTS=y