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Android 低内存终止守护程序 ( lmkd) 进程可监控运行中的 Android 系统的内存状态,并通过终止最不必要的进程来应对内存压力大的问题,使系统以可接受的性能水平运行。 内存压力简介. 并行运行多个进程的 Android 系统可能会遇到系统内存耗尽,需要更多内存的进程出现明显延迟的情况。 内存压力是系统内存不足的一种状态,它需要 Android 通过限制或终止不必要的进程、请求进程释放非关键缓存资源等方式来释放内存(以缓解这种压力)。 过去,Android 使用内核中的低内存终止守护程序 (LMK) 驱动程序来监控系统内存压力,该驱动程序是一种依赖于硬编码值的严格机制。
Android Low Memory Killer Daemon (lmkd) is a process monitoring memory state of a running Android system and reacting to high memory pressure by killing the least essential process(es) to keep system performing at acceptable levels. Background
Android Low Memory Killer Daemon (lmkd) is a process monitoring memory state of a running Android system and reacting to high memory pressure by killing the least essential process (es) to keep system performing at acceptable levels.
Android Low Memory Killer Daemon (lmkd) is a process monitoring memory state of a running Android system and reacting to high memory pressure by killing the least essential process (es) to keep system performing at acceptable levels.
Dec 5, 2019 · 简述 Android Low Memory Killer Daemon (lmkd) | Leo's Blog. 阅读前提 有一定 Android 开发经验,较好的 Android 基础知识 了解常用 Linux 命令 说明本文涉及到的内容和 Android 版本有很大关系。 网上大家能查到的很多是基于 Andorid 6(含)之前的,由于现在 Android 6 的设备市面上已经很少了,所以这里就不详细讲了。 本文主要讲解从 Android 7 开始,LMK 的处理机制。 本文只做简要介绍,不做详细分析。
- Michael Leo
lmkd简介. lmkd的全称是低内存杀手守护进程(low memory killer daemon),由于安卓系统运行多个进程时可能会遇到内存耗尽的问题,所以会通过内存的cgroup进行内存分配,并通过lmkd对内存进行监视,在内存不足时杀死进程,降低内存压力。
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