taynpg/how-to-use
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

更新 cpp/linuxdump.txt

Browse Source
This commit is contained in:
taynpg 2025-02-24 20:15:52 +08:00
parent f70238381f
commit 580640451b
1 changed files with 18 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
cpp/linuxdump.txt
View File

@ -1,7 +1,22 @@
cpp程序在Linux下生成dump文件。 cpp程序在Linux下生成dump文件。
1.编辑：/etc/sysctl.d/99-core-dump.conf (99是优先级规则)
内容为：kernel.core_pattern=/tmp/coredump/core.%e.%p.%t =========> 配置dump
2.应用：sudo sysctl -p /etc/sysctl.d/99-core-dump.conf 1.编辑：/etc/security/limits.conf
添加：
* soft core unlimited
* hard core unlimited
2.编辑：/etc/sysctl.conf 或者 /etc/sysctl.d/99-sysctl.conf
添加：
kernel.core_pattern = /var/crash/core.%e.%p.%h.%t
3.立即生效：sysctl -p
=========> ubuntu系统
ubuntu系统下apport会覆盖配置，apport日志在（但仍然需要配置limits.conf）：
/var/log/apport.log
/var/log/apport.log.*.gz
其中dump文件在：/var/lib/apport/coredump
=========> 临时应用
临时应用：sudo sysctl -w kernel.core_pattern=/tmp/coredump/core.%e.%p.%t 临时应用：sudo sysctl -w kernel.core_pattern=/tmp/coredump/core.%e.%p.%t
3.sudo mkdir -p /tmp/coredump 3.sudo mkdir -p /tmp/coredump
4.gdb /home/xx/a.out /tmp/coredump/core.a.out.13112.1738999997 4.gdb /home/xx/a.out /tmp/coredump/core.a.out.13112.1738999997