https://txtmix.com/tags/jane-street/Recent content in Jane Street on Text MatrixHugozh-cnTue, 21 Jul 2026 20:06:14 +0800https://txtmix.com/posts/tech/janestreet-magic-trace-high-resolution-tracing/Sat, 23 May 2026 20:17:28 +0800https://txtmix.com/posts/tech/janestreet-magic-trace-high-resolution-tracing/<h1 id="magic-tracejane-street-开源的高分辨率程序追踪工具">magic-trace：Jane Street 开源的高分辨率程序追踪工具</h1> <p>magic-trace 不是来替代 <code>perf</code> 的。它填补的是采样分析永远够不到的那道窄缝——单次调用路径、崩溃前最后 10ms、精确到纳秒的函数进出时刻。</p>