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add：添加linux抓取dump文件

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taynpg 2025-02-08 15:38:59 +08:00
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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)
2.应用：sudo sysctl -p /etc/sysctl.d/99-core-dump.conf
临时应用：sudo sysctl -w kernel.core_pattern=/tmp/coredump/core.%e.%p.%t
3.sudo mkdir -p /tmp/coredump
4.gdb /home/xx/a.out /tmp/coredump/core.a.out.13112.1738999997
5.使用bt(用于显示程序崩溃或暂停时的调用堆栈（Backtrace）)查看。