How to use gdb to view stack information of hung programs during operation and maintenance

The content of this article is about how to use gdb to view the stack information of the hung program during the operation and maintenance process. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you. .​

Use gdb to view the stack information of the hung program

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1. View the stuck process

ps -ef|grep CobotStudio

2. Use gdb to open the process

sudo gdb ./CobotStudio

3. Use attach to attach

attach 22108(这里22108为进程子PID)

4. Use bt to view stack information

bt(直接使用bt查看堆栈信息)

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Enter gdb and use common commands in gdb

• ##c: Continue

• p_: Print

• list: List

• attach: Attach

• b code snippet: Set breakpoint

• i b: View the set breakpoint

• bt: View program crash stack information

• -up: Previous method (Press Enter to view the next page)

• down: Next method (Press Enter to view the next page

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