https://txtmix.com/tags/%E5%8A%A8%E6%80%81%E8%BF%BD%E8%B8%AA/Recent content in 动态追踪 on Text MatrixHugozh-cnSun, 24 May 2026 00:14:03 +0800https://txtmix.com/posts/magic-trace-janestreet-high-resolution-tracing/Sat, 23 May 2026 20:00:00 +0800https://txtmix.com/posts/magic-trace-janestreet-high-resolution-tracing/<h1 id="magic-tracejane-street-开源的高分辨率进程追踪工具">magic-trace：Jane Street 开源的高分辨率进程追踪工具</h1> <p>magic-trace 解决的不是&quot;怎么调用模型&quot;，而是&quot;程序在实际运行时到底在做什么&quot;。传统 <code>perf</code> 以采样方式工作，只能给出统计意义上的热点；magic-trace 则通过 Intel Processor Trace（Intel PT）技术，把选定时刻之前的所有控制流完整记录下来，生成可交互的时间线供开发者缩放、测量、定位问题。</p>