[Skill] [Debug] [GDB] using core dump for GDB

Core Dump Literacy: Https://wiki.archlinux.org/index.php/Core_dump

1. Man-made core dump

1.1 Generate core dump online in real time. The process does not stop.

[Email protected] ~]# pgrep kingkong 3850  ~3850(gdb) generate-core-file Saved corefile core. 3850
[Email protected] ~]# ll-h core.3850
-rw-r--r--1 root root 1.2G may 10:37 core.3850
[Email protected] ~]# pgrep KingKong
3850

1.2 A signal to the process that causes core dump to occur

7~]# pgrep kingkong3850~]# Kill-one3850

　

2. Commissioning

Set Enable Core dump file

[[email protected] kk]# Ulimit-c0--cunlimited

Prepare the generated core file, and the executable binary file. Use GDB to view.

/home/tong/workspace/kk/--https-core-dump [[Email protected]] [:  Wu ]> Gdb-core core. 34373

[Skill] [Debug] [GDB] using core dump for GDB