09 2022 档案
摘要:ARMV8启动 reference: 聊聊SOC启动 armv8:https://zhuanlan.zhihu.com/p/519995589 BL1 | BL2 | BL31 | BL32(trust os) BL33(uboot) | linux kernel
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摘要:How To determine Linux Kernel Timer Interrupt Frequency https://www.advenage.com/topics/linux-timer-interrupt-frequency
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摘要:linux 计算CPU负载 reference: linux/Documentation/filesystems/proc.txt linux下/proc/stat 计算CPU利用率:https://blog.csdn.net/stormbjm/article/details/19088983 li
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摘要:linux 启动时间优化 测量到耗时热点 优化; reference: Linux 启动时间优化实战:https://mp.weixin.qq.com/s/PeYpdtFH5u9MTWPkusT-Lw 嵌入式linux启动时间优化:http://www.pedestrian.com.cn/embed
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摘要:c语言指定范围内代码设置优化等级 #if defined(__GNUC__) #pragma GCC push_options #pragma GCC optimize ("O0") #endif /* code */ #if defined(__GNUC__) #pragma GCC pop_op
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