[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["很难理解","hardToUnderstand","thumb-down"],["信息或示例代码不正确","incorrectInformationOrSampleCode","thumb-down"],["没有我需要的信息/示例","missingTheInformationSamplesINeed","thumb-down"],["翻译问题","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC):2025-04-03。"],[[["The `perf` tool is pre-installed on Container-Optimized OS."],["You can directly execute `perf` commands on your `cos` instance via the command line."],["Elevated permissions might be required to enable performance events, which can be achieved by using the provided command."],["For guidance on utilizing `perf`, consult the `perf` manual and kernel sysctl settings."]]],[]]