Packet loss detection in linux kernel

1. Dropwatch

• Installation

  git clone https://github.com/nhorman/dropwatch.git
    
  sudo apt-get install libreadline-dev 
  sudo apt-get install libnl-genl-3-dev
  sudo apt-get install libbfd-dev
    
  cd dropwatch
  sudo ./autogen.sh
  sudo ./configure
  make
  sudo make install
  

• Usage

  dropwatch -l kas
  Initalizing kallsyms db
  dropwatch> start
  Enabling monitoring...
  Kernel monitoring activated.
  Issue Crtl-C to stop monitoring
  

REF

1. dropwatch
2. Using netstat and dropwatch to observe packet loss on linux servers
3. Dropwatch to where the packets are dropped in linux stack
4. linux 系统 UDP 丢包问题分析思路