With each day the Linux kernel continues to grow in size, complexity and features. While this is a good thing overall, it's also important to keep Linux small enough to fit embedded devices with memory constraints (i.e. 10 MiB of RAM).
We will discuss the results of a CE Workgroup project to analyse kernel memory usage.
The purpose of this project is to identify extraneous kernel dynamic allocations, in an effort to reduce the runtime memory footprint.
The tools and techniques used will be described, as well as some hints on writing better memory-utilizing code in the linux kernel.
This talk is targeted at developers interested in knowing more about allocation tracing and dynamic memory wastage. Although it's a technical talk, developers of any level of expertise should have no problem understanding the topics discussed.
Software Engineer, Free Electrons
Ezequiel Garcia has worked for the past 8 years on a wide range of software projects and since 2009 he's been involved in embedded projects. |
In the mainline Linux kernel, he is the maintainer of the stk1160 driver and has contributed a number of patches to various subsystems, including v4l, alsa, mtd, slab, trace and UBI. |
Recently, Ezequiel completed a project for the Linux Foundation CE Workgroup related to kernel memory usage analysis. |
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