Installing A-FOT

Download A-FOT code and modify compilation parameters to meet the automatic FDO requirements.

1. Download A-FOT code from Gitee.

   1	git clone https://gitee.com/openeuler/A-FOT.git

   

   

   If "SSL certificate problem: self signed certificate in certificate chain" is displayed when the A-FOT code is being downloaded, you can disable SSL verification to resolve this issue.

   1	git config --global http.sslVerify false

   You can also use the Yum source to install A-FOT. In this method, the default installation path is /usr/bin/.

   1	yum install A-FOT

2. Modify compilation parameters.
   1. Open the following file:

      1	vi A-FOT/auto_bolt.sh

   2. Press i to enter the insert mode and add the following contents to the file:

      1	-fbolt-option=-reorder-blocks=cache+,-reorder-functions=hfsort,-split-all-cold,-split-eh,-dyno-stats

      The following figure shows the modification result:

      

   3. Press Esc to exit the insert mode. Type :wq! and press Enter to save the file and exit.