By the same authors

Improving efficiency of persistent storage access in embedded Linux

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Conference

Conference10th York Doctoral Symposium on Computer Science and Electronic Engineering
Abbreviated titleYDS 2017
CountryUnited Kingdom
CityYork
Conference date(s)17/11/1717/11/17
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Publication details

DatePublished - 17 Nov 2017
Original languageEnglish

Abstract

Real-time embedded systems increasingly need to process and store large volumes of persistent data, requiring fast, timely and predictable storage. Traditional methods of accessing storage using general-purpose operating system-based file systems do not provide the performance and timing predictability needed. This paper firstly examines the speed and consistency of SSD operations in an embedded Linux system, identifying areas where inefficiencies in the storage stack cause issues for performance and predictability. Secondly, the CharIO storage device driver is proposed to bypass Linux file systems and the kernel block layer, in order to increase performance, and provide improved timing predictability.

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