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Linux系统调试调优驱动开发培训课程宋宝华独家签约授课

  • 2026-06-29 20:27:26
Linux系统调试调优驱动开发培训课程宋宝华独家签约授课

宋宝华老师的相关Linux课程,适用于技术岗位及专业人员,Linux内核开发工程师、性能调试调优的工程师、嵌入式系统工程师、BSP/驱动开发人员,以及希望深入理解Linux内核机制、承担驱动开发与系统移植任务的中高级技术人员,以及有内训需求的Linux相关的研发公司。

宋宝华老师:中际赛威独家签约讲师,知名嵌入式系统专家,《Linux设备驱动开发详解》作者,曾为思科、阿尔卡特、朗讯、四方、意法半导体、富士施乐、代傲电子、飞利浦、南瑞、宝信、美国国家仪器、ABB、中国建设银行等知名企业提供嵌入式Linux企业培训和技术服务,受到企业广泛好评。活跃于 Linux社区,Linux内核SCHED_CLUSTERper-numa CMAARM64 BATCHED_UNMAP_TLB_FLUSH、多个mTHP关键feature的作者,累计给Linux主线贡献400+个补丁。已给Linux官方内核贡献了逾3万行代码,是给Linux官方内核贡献代码最多的华人之一。以下是宋宝华老师部分公开课内容:

1Linux系统调试与调优技术高级研修班

1节 内核编程:热身:熟悉树莓派板卡(板卡介绍和使用;Bootloaderkernel、文件系统构成);1、内核编程主要API深入剖析(1.1 同步与并发(atomic, spinlock,mutex,completion深入理解)1.2 等待队列;1.3 内核延时;1.4 内存申请和释放;1.5 用作DMA的内存;1.6 内存屏障与寄存器访问);2、定时器(2.1 内核定时器tick2.2 tickless2.3 高精度定时器hrtimer);3、中断(3.1 中断顶底半部;3.2 软中断;3.3 tasklet3.4 工作队列;3.5 threaded_irq3.6 多核中断affinity及软中断负载均衡);4Linux内核模块(4.1 内核模块initexit4.2 输入参数;4.3 输出符号;4.4 模块的licenseGPL);5Linux内核的调试(5.1 printk5.2 Oopspanic5.3 initcall_debug5.4 电源管理suspend/resume debug5.5 earlyprintklow level debug5.6 procsys5.7 softhard lockup5.8 内核的源码级调试;5.9 内核模块的源码级调试;5.10 ftrace)。

2节 设备驱动:1Linux设备驱动模型(1.1 Linux设备分类;1.2 Sys,总线、设备、驱动和class1.3 热插拔;1.4 电源管理;1.5 udev);2、设备驱动并发控制与I/O模型(2.1 Linux字符设备驱动结构;2.2 Linux设备驱动中的并发控制;2.3 Linux设备驱动中的阻塞与非阻塞I/O2.4 Linux多路复用I/O2.5 Signal IOAIO2.6 用户空间I/O与多线程设计原则);3Linux复杂设备驱动(3.1 设备驱动分层框架;3.2 设备驱动的面向对象设计;3.3 platform驱动;3.4 基于I2C/SPI/USB等总线的驱动;3.5 块设备驱动与块I/O调度;3.6 网络设备驱动)。

3节 Linux移植和BSP构建:1、将Linux移植到一个新的SoC或电路板(1.1 OS timer1.2 caches1.3 early_printk1.4 clk tree1.5 GPIO1.6 pinmux1.7 RQ chip1.8 DMA1.9 社区维护);2、设备树(Device Tree)2.1 用一个假设的简单电路板从头到尾构建一个dts文件;2.2 dts编译为dtb,与dtb反编译为dts2.3 machine级的匹配;2.4 driverdevice级的匹配;2.5 基地址、中断、gpio、时钟、resetpinmux等常规属性;2.6 dts节点自定义属性;2.7 启动过程中dtb的读取与展开;2.8 i2c, spi子节点的展开;2.9 dts的分级与dtsi2.10 dt binding文档);3ACPI3.1 device tree情况的设备枚举)。

2Linux设备驱动开发详解高级研修班

1章 Linux工具链深入解析:1.1 GNU工具链和GDB调试;1.2 GCC编译的各个阶段分解;1.3 反汇编,objdump1.4 readelf, nm, strip1.5 GDB调试技巧断点、watch、内存与backtrace等;1.6 GDB与多线程;1.7 崩溃转储core dump1.8 straceltrace

2章 进程、内存和I/O负载调试剖析:2.1 多核负载均衡;2.2 top, htop, mpstat工具;2.3 系统、进程内存占用分析;2.4 内存泄露调试;2.5 内存踩踏调试:ASAN, KASAN, MTE2.6 iowait调试;2.7 swap调试。

3章 内核调试:3.1 printk及其变体;3.2 内核崩溃OOPS分析;3.3 内核debug选项;3.4 procsys3.5 内核启动过程调试;3.6 内核启动时间优化调试;3.7 待机和电源管理调试;3.8 gdb调试内核;3.9 内核lockup,锁,schedmm问题调试。

4章 Linux多进程、多线程模型和调试:4.1 多进程通信;4.2 多线程通信;4.3 正确的互斥和同步方法;4.4 可重入与线程安全;4.5 多进程、多线程调试;4.6 IPC调试、死锁。第5章 Linux性能优化:5.1 perf5.2 kernel-shark5.3 top-down分析方法;5.4 Linux的常见benchmark5.5 基于eBPF的性能剖析;5.6 各种火焰图。

3Linux内核精解(调度、内存管理和I/O)高级研修班

1节 Linux进程篇:1、进程是资源容器,线程才是调度单元;2、进程和线程都是kernel_clone生出来的;3、写时拷贝是一个子女成家立业的故事;4、针对filesfssignal的广义“写时拷贝”;5、只运行在内核态的线程——内核线程;6、进程和线程的工作、睡眠和死亡;7、进程变形记——exec函数族;8、调度类和runqueue9、实时RT调度类;10、截止期限DL调度类;11、公平调度类:CFS12、公平调度类的延伸:EEVDF13、可编程EXT调度类;14、多核负载均衡;15、从多核亲缘wake_affine16CLUSTERNUMA调度;17CPU超线程SMT调度;18、组调度;19、调度与抢占时机;20、实时Linux内核;21、进程调度的一些profiling工具。

2节 Linux内存篇:1MMU硬件原理与分页机制;2RWX权限、kernel/user权限;3zone4buddy内存分配算法;5pagefolio6、连续内存分配器CMA7slab/kmalloc/vmalloc8、用户空间malloc/free与内核关系;9、内存泄漏的原理与分析工具;10、内存耗尽、OOM11VMA, vss/rss/pss/uss12、文件foliopage cache13、匿名folioswap14、内存回收, active/inactive LRUMGLRU15kswapddirect reclaim16large foliosTHP/mTHP17HugeTLB18dma-bufsystem heap19NUMA下内存管理;20、内存与cgroup21memory剖析工具。

3节 Linux I/O和文件系统篇:1I/O模型:阻塞、非阻塞、多路复用、signal I/Oaio2C10问题;3、文件系统的实现原理:superblock, inode, block4、符号链接 vs 硬链接;5、文件系统一致性;6、文件系统日志;7page cache支持large folios8iomap9、文件读写全流程:file, iomap, address_pace等;10I/Ocgroup11I/O调度;12I/O剖析工具。

另外还有嵌入式C语言高质量编程实战技术高级研修班、深入理解CPU微架构(Risc-V\ARM\X86)与底层硬件原理的软件编程实战训练营、ARM处理器架构、内存屏障和编程指令集全面解析实战训练营、AI端侧在Linux/Android的实现和实战训练营等等公开课。

工程师高培13269857695中际赛威刘老师13269857695@163.com

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  1. CONNECT:[ UseTime:0.000554s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000747s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000315s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000286s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000488s ]
  6. SELECT * FROM `set` [ RunTime:0.000192s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000603s ]
  8. SELECT * FROM `article` WHERE `id` = 493142 LIMIT 1 [ RunTime:0.000678s ]
  9. UPDATE `article` SET `lasttime` = 1783078311 WHERE `id` = 493142 [ RunTime:0.001422s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000232s ]
  11. SELECT * FROM `article` WHERE `id` < 493142 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000497s ]
  12. SELECT * FROM `article` WHERE `id` > 493142 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000411s ]
  13. SELECT * FROM `article` WHERE `id` < 493142 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002963s ]
  14. SELECT * FROM `article` WHERE `id` < 493142 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.012471s ]
  15. SELECT * FROM `article` WHERE `id` < 493142 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003517s ]
0.100059s