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标题: 启动优化，怎么让kernel运行在大核上 [打印本页]

作者: yangkcj 时间: 2020-12-17 14:16
标题: 启动优化，怎么让kernel运行在大核上
在搞firefly-rk3399的启动优化
发现Uboot引导kernel后会运行在cpu0就是小核上。有谁知道怎么能让kernel在大核上运行。减少启动时间。
现在的启动状态
Starting kernel ...

[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Initializing cgroup subsys cpuacct
[ 0.000000] Linux version 4.4.194 (root@cf-m) (: ) (gcc version 7.5.0 (Linaro GCC 7.5-2019.12) ) #40 SMP Thu Dec 17 13:44:21 CST 2020
[ 0.000000] Boot CPU: AArch64 Processor [410fd034]
[ 0.000000] earlycon: Early serial console at MMIO32 0xff1a0000 (options '')
[ 0.000000] bootconsole [uart0] enabled
[ 0.000000] psci: probing for conduit method from DT.
[ 0.000000] psci: PSCIv1.0 detected in firmware.
[ 0.000000] psci: Using standard PSCI v0.2 function IDs
[ 0.000000] psci: Trusted OS migration not required
[ 0.000000] PERCPU: Embedded 21 pages/cpu @ffffffc07fef2000 s45864 r8192 d31960 u86016
[ 0.000000] Detected VIPT I-cache on CPU0

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