我们在《一文看懂Linux性能分析｜perf 原理》一文中介绍过，perf 是基于采样来对程序进行分析的。采样的步骤如下： 通过设置一个定时器，定时器的触发时间可以由用户设定。 定时器被触发后，将会调用采集函数收集当前运行环境的数据（如当前正在执行的 ...

荣涛，csdn博主。 组件概述 Linux性能子系统在性能分析中非常有用。以下显示了这篇文章中的perf子系统componenet 。 “ perf”是可用于执行性能分析的用户程序。 仅暴露给用户空间的系统调用perfeventopen返回一个perf事件fd。该系统调用没有glibc包装器。更多信息可以 ...

KDAB, a German consulting firm that develops graphics and visualization tools, has released Hotspot 1.0, a GUI too for visualizing performance data generated by the Linux perf tool. Perf analyzes ...

It’s been nearly a year since we last took an in-depth look at viewport performance with the help of SPEC’s SPECviewperf, and with the recent release of its 2020 v3.1 update, we felt now was a good ...

In today's open source roundup: How Netflix checks Linux performance issues. Plus: How to install Unity 8 on Ubuntu 16.04 LTS and Ubuntu 15.10. And Google ends support for Chrome on 32-bit Linux, ...

Tuning Linux systems for performance is an essential task for any system administrator, but it also is one of the least documented. Without a hard-won understanding, performance tuning often can seem ...

Performance is a cornerstone of effective system administration, particularly in the Linux ecosystem. Whether you're managing a high-traffic web server, a data-intensive application, or a development ...

At only a few years old, Clear Linux hasn’t been around long enough to start appearing in top-ten distro lists all over, but it’s an OS that offers enough uniqueness to warrant a fair look. At a basic ...