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Perfmonitor:从PMU到AMU
作者简介:俞伟,Linux内核爱好者,阅码场用户。长期从事Linux调度和低功耗特性相关工作。 AMU是Activity Monitor Unit的缩写,在Arm v8.4架构中引入。从Arm文档描述来看,AMU与PMU(Performance Monitor Unit)有类似的性能监控功能,但其设计初衷是为了系统管理,而PMU的用途是 ...
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