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QUIC的文章中head-of-line blocking的简写错了

队头阻塞(Head-of-line blocking或缩写为HOL blocking)在计算机网络的范畴中是一种性能受限的现象。它的原因是一列的第一个数据包(队头)受阻而导致整列数据包受阻。例如它有可能在缓存式输入的交换机中出现,有可能因为传输顺序错乱而出现,亦有可能在HTTP流水线中有多个请求的情况下出现。

摘自
https://zh.wikipedia.org/wiki/%E9%98%9F%E5%A4%B4%E9%98%BB%E5%A1%9E

关于“”获取任意线程调用栈的那些事的提问

我拿到了
1、 Frame Pointer 找到函数调用的地址
2、找到 Frame Pointer 属于哪个镜像文件
之后怎么符号化的?正常不应该是人工通过一些工具和dsym、Mach-O文件来符号化的吗?你怎么可以在运行过程中就输出真实函数名的

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