Archives

2023

• 2023-02-19 Sun. 使用 ftrace 测量 irq disable latency debug ftrace  irqoff  event_tracer  hrtimer

2022

• 2022-10-07 Fri. Linux arch_timer process timer  timer_init  hrtimer  sched_clock  local_clock
• 2022-10-07 Fri. WARNING: CPU: 7 PID: 939 at kernel/trace/trace.c:1635 update_max_tr_single debug irqsoff_tracer  update_max_tr_single  buffer_size_kb
• 2022-10-07 Fri. adb communication based on vsock I/O timer  timer_init  hrtimer  sched_clock  local_clock
• 2022-10-06 Thu. Measure irq_disable latency irq hypervisor  irqsoff  printk
• 2022-10-06 Thu. Kernel panic flow debug panic  smp_send_stop
• 2022-10-06 Thu. SCSI UFS init view storage SCSI  UFS  sd_probe
• 2022-10-06 Thu. Linux soft lockup debug panic  soft_lockup
• 2022-04-05 Tue. tmux build tmux  tabby  .tmux.conf
• 2022-02-27 Sun. EDK2 DebbugLib PrintLevel 配置实例 boot EDK2  EFI_D_VERBOSE  DEBUG_VERBOSE  PcdDebugPrintErrorLevel
• 2022-02-20 Sun. 优化 code-server Dockerfile build Dockerfile  docker-build  extensions  settings.json

2021

• 2021-12-13 Mon. Linux GPIO driver I/O GPIO  gpiolib  libgpiod  gpio-toos
• 2021-11-13 Sat. Upgrade u-boot from 2009 to 2017.01 on ARM boot u-boot  ARM
• 2021-11-13 Sat. Run two Linux OS in AMP system system AMP  Linux  rootfs.cpio  initramfs
• 2021-11-13 Sat. OpenAMP： remoteproc，RPMsg/Virtio driver 系列 system OpenAMP  remoteproc  RPMsg/Virtio
• 2021-11-13 Sat. OOM 问题集 memory OOM  slab  meminfo  free
• 2021-11-13 Sat. 记一次 Network performance optimization network DPAA  WiGi  LSR1043A  throughput
• 2021-11-13 Sat. CPLD Linux Kernel driver I/O CPLD  irq-controller  generic-irqchip  irq-domain
• 2021-10-31 Sun. 在 code-server Docker Container 使用 host user/group 账户 build code-server  Docker  Container  Host  user  group
• 2021-09-12 Sun. ARM ticket spinlock 的实现 process ARM  ARM64  ticket-spinlock
• 2021-08-29 Sun. 在 code-server 中搭建 C++ 开发环境 build code-server  GDB  C++  Run-and-Debug
• 2021-08-29 Sun. 定制 code-server docker image build docker-iamge  docker-build  code-server
• 2021-04-16 Fri. Raspberry Pi4 安装 ubuntu server 20.04 build Raspberry-Pi4  ubuntu-server

2020

• 2020-10-11 Sun. 推荐一款轻量级 eBPF 前端工具 ply debug eBPF  Dynamic_Tracer  Embedded_Linux
• 2020-09-16 Wed. DHCP options实验 network dhcp,  dhcp  options,  dhcp-client-identifier
• 2020-08-31 Mon. lspci -xxx内核实现 I/O PCIe,  lspci,  pciutils,  config  space
• 2020-08-31 Mon. DHCP relay实验 network dhcp,  dhcp  relay,  dhcp  server,  dhcp  client
• 2020-07-18 Sat. printk输出线程名，线程id，cpuid和prio的实现 debug printk,  comm,  cpu  id,  pid,  prio
• 2020-07-11 Sat. GE switch配置分析 network SMI,  MDIO,  GE  AVB  switch,  mdio  bus
• 2020-06-25 Thu. 升级 wsl2 build windows10,  wsl2,  wsl1
• 2020-06-25 Thu. 升级 ubuntu20.04 build ubuntu,  wsl2,  virtualbox
• 2020-06-25 Thu. 使用编译预处理快速查询宏定义 build gcc,  preprocess,  sysroot
• 2020-06-17 Wed. Octeon MIPS management at Linux startup memory octeon,  start_kernel,  setup_arch,  MIPS,  memory
• 2020-06-17 Wed. ethtool dump网卡寄存器 network ethtool,  dump  regster,  encx24j600
• 2020-06-14 Sun. 有无SFP模块ethtool都返回Link detected: yes network ethtool,  DPAA,  PHY,  MDIO
• 2020-06-09 Tue. linux 进程调度策略和优先级 process rt,  nice,  renice,  chrt,  SCHED_OTHER,  SCHED_FIFO,  SCHED_RR,  SCHED_DEADLINE
• 2020-05-28 Thu. buildroot编译运行QEMU X86_64 system buildroot,  qemu,  x86-64,  toolchain,  kernel,  kvm
• 2020-05-27 Wed. linux reboot/panic子系统 system reboot，panic，busybox，s6，sysrq
• 2020-05-24 Sun. win10/virtualbox/ubuntu虚拟机套娃 system VT-x,  vtx,  virt-nest,  virtualbox,  ubuntu,  KVM
• 2020-05-12 Tue. crosstool-ng toolchain vs buildroot toolchain build crosstool-NG,  buildroot  toolchain,  x86-64
• 2020-05-09 Sat. 升级github buildroot自建仓库 build git  rebase,  remote  upstream,  buildroot,  github
• 2020-05-05 Tue. 一种为docker vscode/code-server安装插件的简易方法<此文过时> build vscode,  code-server,  docker,  settings.json,  extensions
• 2020-04-29 Wed. CSL+jekyll搭建github静态blog build CSL,  windows10,  jekyll,  github  page，  ruby-devel
• 2020-04-29 Wed. OCTEON inter Core IPC by RPMsg/virtio system octeon,  AMP  linux,  MIPS,  RPMsg/virtio,  openAMP

2019

• 2019-05-27 Mon. OCTEON MIPS 中断处理 irq MIPS,  OCTEON,  exeception,  interrupt
• 2019-05-12 Sun. 使用 cygwin<此文过时> build cygwin,  openssh,  apt-cyg,
• 2019-05-08 Wed. OCTEON MIPS SMP linux多核启动 system OCTEON,  SMP  linux,  MIPS
• 2019-05-08 Wed. cygwin + jekyll 搭建 github 静态 blog<此文过时> build cygwin,  windows10,  jekyll,  github  page，  ruby-devel
• 2019-01-21 Mon. 图解linux tcpdump network linux  tcpdump

2018

• 2018-12-21 Fri. 图解linux ping network linux  ping  socket  ICMP
• 2018-12-17 Mon. QEMU模拟arm64 virt u-boot/linux system QEMU  virt  u-boot  linux
• 2018-12-14 Fri. 图解linux netlink network linux  netlink
• 2018-11-30 Fri. QEMU模拟 arm u-boot/linux system arm  QEMU  linux  u-boot  buildroot
• 2018-11-26 Mon. 浅析 linux kernel dynamic debug debug Linux  dyndbg  pr_debug  dev_dbg