13-15 November 2018
America/Vancouver timezone

Android usage of memory pressure signals in userspace low memory killer

14 Nov 2018, 14:15
15m
Pavillion-Ballroom-D (Sheraton Vancouver Wall Center)

Pavillion-Ballroom-D

Sheraton Vancouver Wall Center

77

Speaker

Suren Baghdasaryan (Google)

Description

Android's transition from in-kernel lowmemorykiller to userspace LMKD introduced a number of challenges including low-latency memory pressure detection and signaling, improving kill decision mechanisms and improving SIGKILL delivery latency. This talk will focus on the memory pressure detection mechanism based on PSI (Pressure Stall Information) recently developed by Johannes Weiner. It will also present PSI Monitor module currently in development stage.

Primary author

Suren Baghdasaryan (Google)

Presentation Materials

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