<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>性能剖析 on Hical</title><link>https://hicalio.cn/tags/%E6%80%A7%E8%83%BD%E5%89%96%E6%9E%90/</link><description>Recent content in 性能剖析 on Hical</description><generator>Hugo</generator><language>zh-cn</language><lastBuildDate>Sat, 09 May 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://hicalio.cn/tags/%E6%80%A7%E8%83%BD%E5%89%96%E6%9E%90/index.xml" rel="self" type="application/rss+xml"/><item><title>Hical 性能剖析实战：perf + 火焰图定位 QPS 瓶颈</title><link>https://hicalio.cn/posts/hical%E6%80%A7%E8%83%BD%E5%89%96%E6%9E%90%E5%AE%9E%E6%88%98/</link><pubDate>Sat, 09 May 2026 00:00:00 +0000</pubDate><guid>https://hicalio.cn/posts/hical%E6%80%A7%E8%83%BD%E5%89%96%E6%9E%90%E5%AE%9E%E6%88%98/</guid><description>用 perf record + 火焰图精确定位 Hical 27K QPS 瓶颈：框架代码仅占 2% CPU，真正瓶颈在 Boost.Asio 调度层的 epoll_ctl 和跨线程唤醒。</description></item></channel></rss>