运维利器:万能的 strace



运维利器:万能的 strace

按照strace官网的描述, strace是一个可用于诊断、调试和教学的Linux用户空间跟踪器。我们用它来监控用户空间进程和内核的交互,比如系统调用、信号传递、进程状态变更等。

strace底层使用内核的ptrace特性来实现其功能。

在运维的日常工作中,故障处理和问题诊断是个主要的内容,也是必备的技能。strace作为一种动态跟踪工具,能够帮助运维高效地定位进程和服务故障。它像是一个侦探,通过系统调用的蛛丝马迹,告诉你异常的真相。

strace能做什么?


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