How does GDB debug the online http Process of Segment Fault?
Some problems can only be reflected on online machines with high concurrency traffic, and the testing machines cannot reproduce them.
We can use GDB to solve this problem.
Start GDB in the command line.
GDB
Enter
Attach http process id
If you need to set a power failure, you can first stop and then set a power failure.
Enter c or continue to continue providing services. If A Segfault error occurs in this process, we can use the tracking commands such as bt to check the problem.
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For details about GDB, click here
GDB: click here
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