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September 16-18, 2024
Vienna, Austria
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Tuesday September 17, 2024 14:00 - 14:40 CEST
Considering a context where the hardware platform disposes of a restricted amount of RAM, developers need to understand how this resource is managed and consumed by the operating system and the applications running on it. In such situations, it is crucial to use the right metrics and tooling to identify which components are excessively allocating resources, trim them down, and finally get close to the strict necessary memory usage without compromising essential features. This presentation explores RAM management in the Linux kernel, focusing on how much memory is allocated across different areas and for what purposes. From a kernel space perspective, it will dive into the components of memory reserved in early boot. Considering the user space perspective, the presentation will explain how much memory is used by processes, both individually and collectively.
avatar for João Marcos Costa

João Marcos Costa

Embedded Linux and Kernel engineer, Bootlin
João graduated in 2020 with a master degree in Physical engineering and embedded systems from ENSICAEN, a French engineering school, as well as an Electrical Engineering degree in 2021 from the Universidade Federal do Rio Grande do Norte in Brazil. Through his various experiences... Read More →
Tuesday September 17, 2024 14:00 - 14:40 CEST
Room 0.14 (Level 0)

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