Linux on embedded systems - Revision history

OAbot: Open access bot: url-access updated in citation with #oabot.

2025-05-25T05:11:03Z

Open access bot: url-access updated in citation with #oabot.

← Previous revision		Revision as of 05:11, 25 May 2025
Line 40:		Line 40:
	[[File:Linux embedded Real Time Evolution.png\|thumb\|Linux embedded Real Time Evolution]]		[[File:Linux embedded Real Time Evolution.png\|thumb\|Linux embedded Real Time Evolution]]

	Not every embedded Linux distribution is required to or meets [[Real-time computing\|real-time]] requirements.<ref>{{Citation\|last=Erciyes\|first=K.\|title=Real-Time Operating Systems\|date=2019\|url=http://link.springer.com/10.1007/978-3-030-22570-4_4\|work=Distributed Real-Time Systems\|series=Computer Communications and Networks\|pages=65–88\|place=Cham\|publisher=Springer International Publishing\|language=en\|doi=10.1007/978-3-030-22570-4_4\|isbn=978-3-030-22569-8\|s2cid=199583025\|access-date=2021-03-08}}</ref><ref>{{Cite web\|title=What does it mean to say "linux kernel is preemptive"?\|url=https://stackoverflow.com/questions/5283501/what-does-it-mean-to-say-linux-kernel-is-preemptive\|access-date=2021-03-08\|website=Stack Overflow}}</ref> This is particular relevant for [[safety critical]] applications and systems.<ref>{{Cite web\|title=Real-Time Operating System - an overview {{!}} ScienceDirect Topics\|url=https://www.sciencedirect.com/topics/computer-science/real-time-operating-system\|access-date=2021-03-08\|website=www.sciencedirect.com}}</ref>		Not every embedded Linux distribution is required to or meets [[Real-time computing\|real-time]] requirements.<ref>{{Citation\|last=Erciyes\|first=K.\|title=Real-Time Operating Systems\|date=2019\|url=http://link.springer.com/10.1007/978-3-030-22570-4_4\|work=Distributed Real-Time Systems\|series=Computer Communications and Networks\|pages=65–88\|place=Cham\|publisher=Springer International Publishing\|language=en\|doi=10.1007/978-3-030-22570-4_4\|isbn=978-3-030-22569-8\|s2cid=199583025\|access-date=2021-03-08\|url-access=subscription}}</ref><ref>{{Cite web\|title=What does it mean to say "linux kernel is preemptive"?\|url=https://stackoverflow.com/questions/5283501/what-does-it-mean-to-say-linux-kernel-is-preemptive\|access-date=2021-03-08\|website=Stack Overflow}}</ref> This is particular relevant for [[safety critical]] applications and systems.<ref>{{Cite web\|title=Real-Time Operating System - an overview {{!}} ScienceDirect Topics\|url=https://www.sciencedirect.com/topics/computer-science/real-time-operating-system\|access-date=2021-03-08\|website=www.sciencedirect.com}}</ref>

	The original Linux kernel was not suitable for real-time tasks due to its non-deterministic behavior<ref>{{cite journal \|last1=Reghenzani \|first1=Federico \|title=The real-time linux kernel: A survey on Preempt_RT \|journal=ACM Computing Surveys \|date=2019 \|volume=52 \|page=1-36}}</ref>		The original Linux kernel was not suitable for real-time tasks due to its non-deterministic behavior<ref>{{cite journal \|last1=Reghenzani \|first1=Federico \|title=The real-time linux kernel: A survey on Preempt_RT \|journal=ACM Computing Surveys \|date=2019 \|volume=52 \|page=1-36}}</ref>

Kogti: /* The ARM-Linux Synergy */ capitalized

2025-05-21T18:23:35Z

The ARM-Linux Synergy: capitalized

← Previous revision		Revision as of 18:23, 21 May 2025
Line 28:		Line 28:
	=== The [[ARM architecture family\|ARM]]-[[Linux]] Synergy ===		=== The [[ARM architecture family\|ARM]]-[[Linux]] Synergy ===

	As mentioned in the article [[ARM architecture family]], due to their low costs, low power consumption, and low heat generation, arm processors are prevalent in many embedded devices. The open source nature, the flexibility, and the stability of Linux contributes to its wide-spread adoption to ~~arm~~ devices.<ref>{{cite web \|last1=Vuong \|first1=Kent \|title=Linux on ARM: The Future of Operating Systems in a Connected World \|url=https://www.linkedin.com/pulse/linux-arm-future-operating-systems-connected-world-kent-vuong/ \|website=LinkedIn}}</ref>		As mentioned in the article [[ARM architecture family]], due to their low costs, low power consumption, and low heat generation, arm processors are prevalent in many embedded devices. The open source nature, the flexibility, and the stability of Linux contributes to its wide-spread adoption to ARM devices.<ref>{{cite web \|last1=Vuong \|first1=Kent \|title=Linux on ARM: The Future of Operating Systems in a Connected World \|url=https://www.linkedin.com/pulse/linux-arm-future-operating-systems-connected-world-kent-vuong/ \|website=LinkedIn}}</ref>

	=== Development Toolchains ===		=== Development Toolchains ===

Maxeto0910 at 14:36, 18 May 2025

2025-05-18T14:36:33Z

← Previous revision		Revision as of 14:36, 18 May 2025
Line 3:		Line 3:
	{{Update\|reason=following Oct. 2024 discussion in [[Talk:Linux_on_embedded_systems#outdated]], started major revisionas per [[Talk:Linux_on_embedded_systems#suggestions for updates]]\|date=April 2025}}		{{Update\|reason=following Oct. 2024 discussion in [[Talk:Linux_on_embedded_systems#outdated]], started major revisionas per [[Talk:Linux_on_embedded_systems#suggestions for updates]]\|date=April 2025}}
	-->		-->
	The [[Linux\|Linux Operating system]] is prevalent in [[embedded system]]s. As of 2024, developer surveys and industry reports find that Embedded Linux is used in 44%-46% of embedded systems.<ref>{{cite web \|title=Embedded Systems Statistics By Market Size And Technologies \|url=https://electroiq.com/stats/embedded-systems-statistics \|website=Electro IQ \|access-date=April 20, 2025}}</ref><ref>{{cite web \|title=The Eclipse Foundation Unveils 2024 IoT & Embedded Developer Survey Results \|url=https://newsroom.eclipse.org/news/announcements/eclipse-foundation-unveils-2024-iot-embedded-developer-survey-results \|website=Eclipse Foundation \|access-date=10 May 2025}}</ref><ref>{{cite web \|title=Wind River Continues Long-Standing #1 Ranking in Edge Operating System Platforms \|url=https://www.businesswire.com/news/home/20250417872811/en/Wind-River-Maintains-Long-Standing-1-Ranking-in-Edge-Operating-System-Platforms\|website=businesswire\|access-date=10 May 2025}}</ref> Due to its [[Linux range of use\|versatility]], its large community of developers, as well as its adaptability to devices with size and power constraints, Linux is a popular choice for devices used in [[Edge Computing]]<ref>{{cite web \|title=2023 State of the Edge Report \|url=https://lfedge.org/introducing-the-2023-state-of-the-edge-report-navigating-the-frontier-of-edge-computing \|website=LFEdge}}</ref> and autonomous systems{{citation needed\|date=April 2025}}.		The [[Linux\|Linux Operating system]] is prevalent in [[embedded system]]s. As of 2024, developer surveys and industry reports find that Embedded Linux is used in 44%-46% of embedded systems.<ref>{{cite web \|title=Embedded Systems Statistics By Market Size And Technologies \|url=https://electroiq.com/stats/embedded-systems-statistics \|website=Electro IQ \|access-date=April 20, 2025}}</ref><ref>{{cite web \|title=The Eclipse Foundation Unveils 2024 IoT & Embedded Developer Survey Results \|url=https://newsroom.eclipse.org/news/announcements/eclipse-foundation-unveils-2024-iot-embedded-developer-survey-results \|website=Eclipse Foundation \|access-date=10 May 2025}}</ref><ref>{{cite web \|title=Wind River Continues Long-Standing #1 Ranking in Edge Operating System Platforms \|url=https://www.businesswire.com/news/home/20250417872811/en/Wind-River-Maintains-Long-Standing-1-Ranking-in-Edge-Operating-System-Platforms\|website=businesswire\|access-date=10 May 2025}}</ref> Due to its [[Linux range of use\|versatility]], its large community of developers, as well as its adaptability to devices with size and power constraints, Linux is a popular choice for devices used in [[Edge Computing]]<ref>{{cite web \|title=2023 State of the Edge Report \|url=https://lfedge.org/introducing-the-2023-state-of-the-edge-report-navigating-the-frontier-of-edge-computing \|website=LFEdge}}</ref> and autonomous systems.{{citation needed\|date=April 2025}}

	==History==		==History==

Steel1943: fix common MOS:REFSPACE spacing errors, replaced: /ref> D → /ref> D

2025-05-15T04:15:56Z

fix common MOS:REFSPACE spacing errors, replaced: /ref> <ref → /ref><ref (2), /ref>D → /ref> D

← Previous revision		Revision as of 04:15, 15 May 2025
Line 3:		Line 3:
	{{Update\|reason=following Oct. 2024 discussion in [[Talk:Linux_on_embedded_systems#outdated]], started major revisionas per [[Talk:Linux_on_embedded_systems#suggestions for updates]]\|date=April 2025}}		{{Update\|reason=following Oct. 2024 discussion in [[Talk:Linux_on_embedded_systems#outdated]], started major revisionas per [[Talk:Linux_on_embedded_systems#suggestions for updates]]\|date=April 2025}}
	-->		-->
	The [[Linux\|Linux Operating system]] is prevalent in [[embedded system]]s. As of 2024, developer surveys and industry reports find that Embedded Linux is used in 44%-46% of embedded systems.<ref>{{cite web \|title=Embedded Systems Statistics By Market Size And Technologies \|url=https://electroiq.com/stats/embedded-systems-statistics \|website=Electro IQ \|access-date=April 20, 2025}}</ref><ref>{{cite web \|title=The Eclipse Foundation Unveils 2024 IoT & Embedded Developer Survey Results \|url=https://newsroom.eclipse.org/news/announcements/eclipse-foundation-unveils-2024-iot-embedded-developer-survey-results \|website=Eclipse Foundation \|access-date=10 May 2025}}</ref> <ref>{{cite web \|title=Wind River Continues Long-Standing #1 Ranking in Edge Operating System Platforms \|url=https://www.businesswire.com/news/home/20250417872811/en/Wind-River-Maintains-Long-Standing-1-Ranking-in-Edge-Operating-System-Platforms\|website=businesswire\|access-date=10 May 2025}}</ref>Due to its [[Linux range of use\|versatility]], its large community of developers, as well as its adaptability to devices with size and power constraints, Linux is a popular choice for devices used in [[Edge Computing]]<ref>{{cite web \|title=2023 State of the Edge Report \|url=https://lfedge.org/introducing-the-2023-state-of-the-edge-report-navigating-the-frontier-of-edge-computing \|website=LFEdge}}</ref> and autonomous systems{{citation needed\|date=April 2025}}.		The [[Linux\|Linux Operating system]] is prevalent in [[embedded system]]s. As of 2024, developer surveys and industry reports find that Embedded Linux is used in 44%-46% of embedded systems.<ref>{{cite web \|title=Embedded Systems Statistics By Market Size And Technologies \|url=https://electroiq.com/stats/embedded-systems-statistics \|website=Electro IQ \|access-date=April 20, 2025}}</ref><ref>{{cite web \|title=The Eclipse Foundation Unveils 2024 IoT & Embedded Developer Survey Results \|url=https://newsroom.eclipse.org/news/announcements/eclipse-foundation-unveils-2024-iot-embedded-developer-survey-results \|website=Eclipse Foundation \|access-date=10 May 2025}}</ref><ref>{{cite web \|title=Wind River Continues Long-Standing #1 Ranking in Edge Operating System Platforms \|url=https://www.businesswire.com/news/home/20250417872811/en/Wind-River-Maintains-Long-Standing-1-Ranking-in-Edge-Operating-System-Platforms\|website=businesswire\|access-date=10 May 2025}}</ref> Due to its [[Linux range of use\|versatility]], its large community of developers, as well as its adaptability to devices with size and power constraints, Linux is a popular choice for devices used in [[Edge Computing]]<ref>{{cite web \|title=2023 State of the Edge Report \|url=https://lfedge.org/introducing-the-2023-state-of-the-edge-report-navigating-the-frontier-of-edge-computing \|website=LFEdge}}</ref> and autonomous systems{{citation needed\|date=April 2025}}.

	==History==		==History==
Line 46:		Line 46:
	Early attempts to provide real time support, such as [[RTAI]] were based on a real-time kernel alongside the standard kernel.		Early attempts to provide real time support, such as [[RTAI]] were based on a real-time kernel alongside the standard kernel.

	In 2005, the [[PREEMPT_RT]] project was initiated to provide a patch to the linux kernel.<ref>{{cite web \|title=Real-Time Linux Wiki \|url=https://archive.kernel.org/oldwiki/rt.wiki.kernel.org \|website=Archive Kernel.org}}</ref> <ref>{{cite web \|title=PREEMPT_RT patch versions \|url=https://wiki.linuxfoundation.org/realtime/preempt_rt_versions \|website=Linux Foundation}}</ref>		In 2005, the [[PREEMPT_RT]] project was initiated to provide a patch to the linux kernel.<ref>{{cite web \|title=Real-Time Linux Wiki \|url=https://archive.kernel.org/oldwiki/rt.wiki.kernel.org \|website=Archive Kernel.org}}</ref><ref>{{cite web \|title=PREEMPT_RT patch versions \|url=https://wiki.linuxfoundation.org/realtime/preempt_rt_versions \|website=Linux Foundation}}</ref>

	In 2024, the [[PREEMPT_RT]] patch was fully merged into the Linux kernel for supported architectures.		In 2024, the [[PREEMPT_RT]] patch was fully merged into the Linux kernel for supported architectures.

Trdta4: add 2 references to lead

2025-05-10T05:48:27Z

add 2 references to lead

← Previous revision		Revision as of 05:48, 10 May 2025
Line 3:		Line 3:
	{{Update\|reason=following Oct. 2024 discussion in [[Talk:Linux_on_embedded_systems#outdated]], started major revisionas per [[Talk:Linux_on_embedded_systems#suggestions for updates]]\|date=April 2025}}		{{Update\|reason=following Oct. 2024 discussion in [[Talk:Linux_on_embedded_systems#outdated]], started major revisionas per [[Talk:Linux_on_embedded_systems#suggestions for updates]]\|date=April 2025}}
	-->		-->
	The [[Linux\|Linux Operating system]] is prevalent in [[embedded system]]s. As of 2024, developer surveys and industry reports find that Embedded Linux is used in 44%-46% of embedded systems.<ref>{{cite web \|title=Embedded Systems Statistics By Market Size And Technologies \|url=https://electroiq.com/stats/embedded-systems-statistics \|website=Electro IQ \|access-date=April 20, 2025}}</ref> Due to its [[Linux range of use\|versatility]], its large community of developers, as well as its adaptability to devices with size and power constraints, Linux is a popular choice for devices used in [[Edge Computing]]<ref>{{cite web \|title=2023 State of the Edge Report \|url=https://lfedge.org/introducing-the-2023-state-of-the-edge-report-navigating-the-frontier-of-edge-computing \|website=LFEdge}}</ref> and autonomous systems{{citation needed\|date=April 2025}}.		The [[Linux\|Linux Operating system]] is prevalent in [[embedded system]]s. As of 2024, developer surveys and industry reports find that Embedded Linux is used in 44%-46% of embedded systems.<ref>{{cite web \|title=Embedded Systems Statistics By Market Size And Technologies \|url=https://electroiq.com/stats/embedded-systems-statistics \|website=Electro IQ \|access-date=April 20, 2025}}</ref><ref>{{cite web \|title=The Eclipse Foundation Unveils 2024 IoT & Embedded Developer Survey Results \|url=https://newsroom.eclipse.org/news/announcements/eclipse-foundation-unveils-2024-iot-embedded-developer-survey-results \|website=Eclipse Foundation \|access-date=10 May 2025}}</ref> <ref>{{cite web \|title=Wind River Continues Long-Standing #1 Ranking in Edge Operating System Platforms \|url=https://www.businesswire.com/news/home/20250417872811/en/Wind-River-Maintains-Long-Standing-1-Ranking-in-Edge-Operating-System-Platforms\|website=businesswire\|access-date=10 May 2025}}</ref>Due to its [[Linux range of use\|versatility]], its large community of developers, as well as its adaptability to devices with size and power constraints, Linux is a popular choice for devices used in [[Edge Computing]]<ref>{{cite web \|title=2023 State of the Edge Report \|url=https://lfedge.org/introducing-the-2023-state-of-the-edge-report-navigating-the-frontier-of-edge-computing \|website=LFEdge}}</ref> and autonomous systems{{citation needed\|date=April 2025}}.

	==History==		==History==

Trdta4: change lead in preparation for adding references in support of prevalence in products

2025-05-10T05:41:55Z

change lead in preparation for adding references in support of prevalence in products

← Previous revision		Revision as of 05:41, 10 May 2025
Line 3:		Line 3:
	{{Update\|reason=following Oct. 2024 discussion in [[Talk:Linux_on_embedded_systems#outdated]], started major revisionas per [[Talk:Linux_on_embedded_systems#suggestions for updates]]\|date=April 2025}}		{{Update\|reason=following Oct. 2024 discussion in [[Talk:Linux_on_embedded_systems#outdated]], started major revisionas per [[Talk:Linux_on_embedded_systems#suggestions for updates]]\|date=April 2025}}
	-->		-->
	The [[Linux\|Linux Operating system]] is prevalent in [[embedded system]]s. As of 2024, ~~Embedded~~ ~~Linux~~ ~~shares~~ ~~the~~ ~~top~~ ~~spot~~ ~~with~~ ~~[[FreeRTOS]],~~ ~~with~~ 44% of embedded systems ~~using this operating system~~.<ref>{{cite web \|title=Embedded Systems Statistics By Market Size And Technologies \|url=https://electroiq.com/stats/embedded-systems-statistics \|website=Electro IQ \|access-date=April 20, 2025}}</ref> Due to its [[Linux range of use\|versatility]], its large community of developers, as well as its adaptability to devices with size and power constraints, Linux is a popular choice for devices used in [[Edge Computing]]<ref>{{cite web \|title=2023 State of the Edge Report \|url=https://lfedge.org/introducing-the-2023-state-of-the-edge-report-navigating-the-frontier-of-edge-computing \|website=LFEdge}}</ref> and autonomous systems{{citation needed\|date=April 2025}}.		The [[Linux\|Linux Operating system]] is prevalent in [[embedded system]]s. As of 2024, developer surveys and industry reports find that Embedded Linux is used in 44%-46% of embedded systems.<ref>{{cite web \|title=Embedded Systems Statistics By Market Size And Technologies \|url=https://electroiq.com/stats/embedded-systems-statistics \|website=Electro IQ \|access-date=April 20, 2025}}</ref> Due to its [[Linux range of use\|versatility]], its large community of developers, as well as its adaptability to devices with size and power constraints, Linux is a popular choice for devices used in [[Edge Computing]]<ref>{{cite web \|title=2023 State of the Edge Report \|url=https://lfedge.org/introducing-the-2023-state-of-the-edge-report-navigating-the-frontier-of-edge-computing \|website=LFEdge}}</ref> and autonomous systems{{citation needed\|date=April 2025}}.

	==History==		==History==

WikiCleanerBot: v2.05b - Bot T19 CW#25 - Fix errors for CW project (Heading hierarchy - Reference before punctuation)

2025-05-05T21:19:45Z

v2.05b - Bot T19 CW#25 - Fix errors for CW project (Heading hierarchy - Reference before punctuation)

← Previous revision		Revision as of 21:19, 5 May 2025
Line 3:		Line 3:
	{{Update\|reason=following Oct. 2024 discussion in [[Talk:Linux_on_embedded_systems#outdated]], started major revisionas per [[Talk:Linux_on_embedded_systems#suggestions for updates]]\|date=April 2025}}		{{Update\|reason=following Oct. 2024 discussion in [[Talk:Linux_on_embedded_systems#outdated]], started major revisionas per [[Talk:Linux_on_embedded_systems#suggestions for updates]]\|date=April 2025}}
	-->		-->
	The [[Linux\|Linux Operating system]] is prevalent in [[embedded system]]s. As of 2024, Embedded Linux shares the top spot with [[FreeRTOS]], with 44% of embedded systems using this operating system <ref>{{cite web \|title=Embedded Systems Statistics By Market Size And Technologies \|url=https://electroiq.com/stats/embedded-systems-statistics \|website=Electro IQ \|access-date=April 20, 2025}}</ref>. Due to its [[Linux range of use\|versatility]], its large community of developers, as well as its adaptability to devices with size and power constraints, Linux is a popular choice for devices used in [[Edge Computing]]<ref>{{cite web \|title=2023 State of the Edge Report \|url=https://lfedge.org/introducing-the-2023-state-of-the-edge-report-navigating-the-frontier-of-edge-computing \|website=LFEdge}}</ref> and autonomous systems{{citation needed\|date=April 2025}}.		The [[Linux\|Linux Operating system]] is prevalent in [[embedded system]]s. As of 2024, Embedded Linux shares the top spot with [[FreeRTOS]], with 44% of embedded systems using this operating system.<ref>{{cite web \|title=Embedded Systems Statistics By Market Size And Technologies \|url=https://electroiq.com/stats/embedded-systems-statistics \|website=Electro IQ \|access-date=April 20, 2025}}</ref> Due to its [[Linux range of use\|versatility]], its large community of developers, as well as its adaptability to devices with size and power constraints, Linux is a popular choice for devices used in [[Edge Computing]]<ref>{{cite web \|title=2023 State of the Edge Report \|url=https://lfedge.org/introducing-the-2023-state-of-the-edge-report-navigating-the-frontier-of-edge-computing \|website=LFEdge}}</ref> and autonomous systems{{citation needed\|date=April 2025}}.

	==History==		==History==
Line 10:		Line 10:
	: additional source for this section <ref name="2net">{{cite web \|title=Embedded Linux Timeline \|url=https://2net.co.uk/embedded-history \|website=2net}}</ref>		: additional source for this section <ref name="2net">{{cite web \|title=Embedded Linux Timeline \|url=https://2net.co.uk/embedded-history \|website=2net}}</ref>

	====Early Days====		=== Early Days ===

	Prior to becoming the de-facto standard for microprocessor-based devices<ref>{{cite book \|last1=Kingman \|first1=Henry \|title=The History of Embedded Linux & Best Practices for Getting Started \|date=July 2013 \|publisher=Linux Foundation \|page=2}}</ref>, a linux distribution was created for the [[Linux Router Project]], with the intent of transforming PCs to routers.		Prior to becoming the de-facto standard for microprocessor-based devices,<ref>{{cite book \|last1=Kingman \|first1=Henry \|title=The History of Embedded Linux & Best Practices for Getting Started \|date=July 2013 \|publisher=Linux Foundation \|page=2}}</ref> a linux distribution was created for the [[Linux Router Project]], with the intent of transforming PCs to routers.

	==== Introduction of [[uClinux]]====		=== Introduction of [[uClinux]] ===
	Starting in the late 1990s and the first decade of the 21st century, the introduction of [[uCLinux]] enabled ports to a large variety of [[microprocessors]]<ref>{{cite web \|last1=Opdenacker \|first1=Michael \|title=Introduction to uClinux \|url=https://bootlin.com/doc/legacy/uclinux/uclinux_introduction.pdf \|website=bootlin.com}}</ref>. Linux is also used as an alternative to using a [[Proprietary software\|proprietary]] [[operating system]] and its associated [[toolchain]].<ref name="vxworks-migration">{{cite web		Starting in the late 1990s and the first decade of the 21st century, the introduction of [[uCLinux]] enabled ports to a large variety of [[microprocessors]].<ref>{{cite web \|last1=Opdenacker \|first1=Michael \|title=Introduction to uClinux \|url=https://bootlin.com/doc/legacy/uclinux/uclinux_introduction.pdf \|website=bootlin.com}}</ref> Linux is also used as an alternative to using a [[Proprietary software\|proprietary]] [[operating system]] and its associated [[toolchain]].<ref name="vxworks-migration">{{cite web
	\| url = http://www.mvista.com/download/Migrating-VxWorks-apps-to-embedded-Linux-slides-with-notes.pdf		\| url = http://www.mvista.com/download/Migrating-VxWorks-apps-to-embedded-Linux-slides-with-notes.pdf
	\| archive-url = https://web.archive.org/web/20140210185142/http://www.mvista.com/download/Migrating-VxWorks-apps-to-embedded-Linux-slides-with-notes.pdf		\| archive-url = https://web.archive.org/web/20140210185142/http://www.mvista.com/download/Migrating-VxWorks-apps-to-embedded-Linux-slides-with-notes.pdf
Line 23:		Line 23:
	}}</ref>		}}</ref>

	==== Introduction of [[busybox]] ====		=== Introduction of [[busybox]] ===
	The introduction of [[busybox]] in 1999, enabled packaging critical tools in an embedded system, with a minimal footprint.		The introduction of [[busybox]] in 1999, enabled packaging critical tools in an embedded system, with a minimal footprint.

	==== The [[ARM architecture family\|ARM]]-[[Linux]] Synergy ====		=== The [[ARM architecture family\|ARM]]-[[Linux]] Synergy ===

	As mentioned in the article [[ARM architecture family]], due to their low costs, low power consumption, and low heat generation, arm processors are prevalent in many embedded devices. The open source nature, the flexibility, and the stability of Linux contributes to its wide-spread adoption to arm devices.<ref>{{cite web \|last1=Vuong \|first1=Kent \|title=Linux on ARM: The Future of Operating Systems in a Connected World \|url=https://www.linkedin.com/pulse/linux-arm-future-operating-systems-connected-world-kent-vuong/ \|website=LinkedIn}}</ref>		As mentioned in the article [[ARM architecture family]], due to their low costs, low power consumption, and low heat generation, arm processors are prevalent in many embedded devices. The open source nature, the flexibility, and the stability of Linux contributes to its wide-spread adoption to arm devices.<ref>{{cite web \|last1=Vuong \|first1=Kent \|title=Linux on ARM: The Future of Operating Systems in a Connected World \|url=https://www.linkedin.com/pulse/linux-arm-future-operating-systems-connected-world-kent-vuong/ \|website=LinkedIn}}</ref>

	==== Development Toolchains ====		=== Development Toolchains ===
	The development of the [[GNU]] [[cross-compiler]] facilitated the adoption of Linux embedded to many processors.		The development of the [[GNU]] [[cross-compiler]] facilitated the adoption of Linux embedded to many processors.

	==== [[Android (operating system)\|Android]] ====		=== [[Android (operating system)\|Android]] ===

	In 2008 Android 1.0 was released, based on the linux kernel. [[Android (operating system)\|Android]], a Linux-kernel-based operating system acquired and extended by [[Google]] and introduced in 2008, has become a highly competitive platform for [[smartphone]]s and [[tablet computer\|tablet]]s. In time, [[Android (operating system)\|Android]] would become the most successful linux embedded distribuition.<ref name="2net"></ref>		In 2008 Android 1.0 was released, based on the linux kernel. [[Android (operating system)\|Android]], a Linux-kernel-based operating system acquired and extended by [[Google]] and introduced in 2008, has become a highly competitive platform for [[smartphone]]s and [[tablet computer\|tablet]]s. In time, [[Android (operating system)\|Android]] would become the most successful linux embedded distribuition.<ref name="2net"></ref>

	==== Real-time Support ====		=== Real-time Support ===
	[[File:Linux embedded Real Time Evolution.png\|thumb\|Linux embedded Real Time Evolution]]		[[File:Linux embedded Real Time Evolution.png\|thumb\|Linux embedded Real Time Evolution]]

Line 50:		Line 50:
	In 2024, the [[PREEMPT_RT]] patch was fully merged into the Linux kernel for supported architectures.		In 2024, the [[PREEMPT_RT]] patch was fully merged into the Linux kernel for supported architectures.

	==== [[IoT]] ====		=== [[IoT]] ===
	The open source nature and security features of Linux, have contributed to its prevalence in [[Edge Computing\|devices on the Edge]] and [[IoT]] Systems.<ref>{{cite web \|last1=Cintay \|first1=Emre \|title=The Impact of Linux on Emerging Technologies: IoT, AI, and Beyond \|url=https://medium.com/%40Chinacolt/the-impact-of-linux-on-emerging-technologies-iot-ai-and-beyond-4b9ca9a06cf2 \|website=Medium \|access-date=24 April 2025}}</ref> Correspondingly, the demand for the real time capabilities described in the previous subsection, is driven by the proliferation of IoT devices.		The open source nature and security features of Linux, have contributed to its prevalence in [[Edge Computing\|devices on the Edge]] and [[IoT]] Systems.<ref>{{cite web \|last1=Cintay \|first1=Emre \|title=The Impact of Linux on Emerging Technologies: IoT, AI, and Beyond \|url=https://medium.com/%40Chinacolt/the-impact-of-linux-on-emerging-technologies-iot-ai-and-beyond-4b9ca9a06cf2 \|website=Medium \|access-date=24 April 2025}}</ref> Correspondingly, the demand for the real time capabilities described in the previous subsection, is driven by the proliferation of IoT devices.

	==== Containerization ====		=== Containerization ===
	The emerging technologies of the [[fourth industrial revolution]] have driven further enhancements to the linux kernel, notably the adoption of [[Containerization (computing)\|containerization]].<ref>{{cite web \|title=Guide to Building Embedded Linux Systems with Containers \|url=https://pantacor.com/embedded-linux/guide-to-building-embedded-linux-systems-for-iot-with-containers \|website=Pantacor}}</ref>		The emerging technologies of the [[fourth industrial revolution]] have driven further enhancements to the linux kernel, notably the adoption of [[Containerization (computing)\|containerization]].<ref>{{cite web \|title=Guide to Building Embedded Linux Systems with Containers \|url=https://pantacor.com/embedded-linux/guide-to-building-embedded-linux-systems-for-iot-with-containers \|website=Pantacor}}</ref>

	==Devices coverage==		==Devices coverage==
	Due to its freely available source code and ease of customization, Linux has been shipped in many consumer devices. [[Starlink]] and [[SpaceX]] use embedded Linux on their constellations and rockets.<ref name= spaceUses >Tim Bird [https://www.youtube.com/watch?v=3-areQvSKTg July 2022] [https://eoss2023.sched.com/event/1LcNH/status-of-embedded-linux-tim-bird-sony-electronics?iframe=no (June 2023) Status of Embedded Linux]</ref>		Due to its freely available source code and ease of customization, Linux has been shipped in many consumer devices. [[Starlink]] and [[SpaceX]] use embedded Linux on their constellations and rockets.<ref name= spaceUses >Tim Bird [https://www.youtube.com/watch?v=3-areQvSKTg July 2022] [https://eoss2023.sched.com/event/1LcNH/status-of-embedded-linux-tim-bird-sony-electronics?iframe=no (June 2023) Status of Embedded Linux]</ref>
	The Embeddable Linux Kernel is a lightweight and customizable [[Linux distribution]] appropriate for [[Minimalism (computing)\|low resource]] [[Computer hardware\|hardware]].<ref>{{Cite web\|title=ELKS: The Embeddable Linux Kernel System\|url=https://github.com/jbruchon/elks\|access-date=2021-04-12\|website=GitHub.com/elks}}</ref>.		The Embeddable Linux Kernel is a lightweight and customizable [[Linux distribution]] appropriate for [[Minimalism (computing)\|low resource]] [[Computer hardware\|hardware]].<ref>{{Cite web\|title=ELKS: The Embeddable Linux Kernel System\|url=https://github.com/jbruchon/elks\|access-date=2021-04-12\|website=GitHub.com/elks}}</ref>
	Like the synergy with the ARM architecture as mentioned in [[#The ARM-Linux Synergy]], Linux embedded has evolved with hardware technologies like [[System on a chip]] and [[Single-board computer]], networking standards, and memory devices.<ref>{{cite book \|last1=Yaghmour \|first1=Karim \|title=Building Embedded Linux Systems \|date=2008 \|publisher=O'Reilly \|edition=2nd}}</ref> (example: [[Raspberry Pi]])		Like the synergy with the ARM architecture as mentioned in [[#The ARM-Linux Synergy]], Linux embedded has evolved with hardware technologies like [[System on a chip]] and [[Single-board computer]], networking standards, and memory devices.<ref>{{cite book \|last1=Yaghmour \|first1=Karim \|title=Building Embedded Linux Systems \|date=2008 \|publisher=O'Reilly \|edition=2nd}}</ref> (example: [[Raspberry Pi]])

Line 64:		Line 64:
	With the availability of consumer embedded devices, communities of users and developers were formed around these devices: replacement or enhancements of the [[Linux distribution]] shipped on the device has often been made possible thanks to availability of the [[source code]] and to the communities surrounding the devices.		With the availability of consumer embedded devices, communities of users and developers were formed around these devices: replacement or enhancements of the [[Linux distribution]] shipped on the device has often been made possible thanks to availability of the [[source code]] and to the communities surrounding the devices.

	====Build Systems====		=== Build Systems ===
	Alongside the evolution of the linux kernel, build systems evolved to support the building of an optimized operating system for an embedded device.		Alongside the evolution of the linux kernel, build systems evolved to support the building of an optimized operating system for an embedded device.

Line 78:		Line 78:
	* [[OpenEmbedded\|Open Embedded]]		* [[OpenEmbedded\|Open Embedded]]

	====Development Tools====		=== Development Tools ===
	* [[GNU Compiler Collection]] - cross compiler		* [[GNU Compiler Collection]] - cross compiler
	* [[GDB]]		* [[GDB]]
Line 85:		Line 85:

	==Variants==		==Variants==
	====Summary Table of Variants (2025)====		=== Summary Table of Variants (2025) ===
	{\|class=wikitable		{\|class=wikitable
	\|+		\|+

AnomieBOT: Dating maintenance tags: {{Citation needed}}

2025-04-28T11:37:21Z

Dating maintenance tags: {{Citation needed}}

← Previous revision		Revision as of 11:37, 28 April 2025
Line 3:		Line 3:
	{{Update\|reason=following Oct. 2024 discussion in [[Talk:Linux_on_embedded_systems#outdated]], started major revisionas per [[Talk:Linux_on_embedded_systems#suggestions for updates]]\|date=April 2025}}		{{Update\|reason=following Oct. 2024 discussion in [[Talk:Linux_on_embedded_systems#outdated]], started major revisionas per [[Talk:Linux_on_embedded_systems#suggestions for updates]]\|date=April 2025}}
	-->		-->
	The [[Linux\|Linux Operating system]] is prevalent in [[embedded system]]s. As of 2024, Embedded Linux shares the top spot with [[FreeRTOS]], with 44% of embedded systems using this operating system <ref>{{cite web \|title=Embedded Systems Statistics By Market Size And Technologies \|url=https://electroiq.com/stats/embedded-systems-statistics \|website=Electro IQ \|access-date=April 20, 2025}}</ref>. Due to its [[Linux range of use\|versatility]], its large community of developers, as well as its adaptability to devices with size and power constraints, Linux is a popular choice for devices used in [[Edge Computing]]<ref>{{cite web \|title=2023 State of the Edge Report \|url=https://lfedge.org/introducing-the-2023-state-of-the-edge-report-navigating-the-frontier-of-edge-computing \|website=LFEdge}}</ref> and autonomous systems{{citation needed}}.		The [[Linux\|Linux Operating system]] is prevalent in [[embedded system]]s. As of 2024, Embedded Linux shares the top spot with [[FreeRTOS]], with 44% of embedded systems using this operating system <ref>{{cite web \|title=Embedded Systems Statistics By Market Size And Technologies \|url=https://electroiq.com/stats/embedded-systems-statistics \|website=Electro IQ \|access-date=April 20, 2025}}</ref>. Due to its [[Linux range of use\|versatility]], its large community of developers, as well as its adaptability to devices with size and power constraints, Linux is a popular choice for devices used in [[Edge Computing]]<ref>{{cite web \|title=2023 State of the Edge Report \|url=https://lfedge.org/introducing-the-2023-state-of-the-edge-report-navigating-the-frontier-of-edge-computing \|website=LFEdge}}</ref> and autonomous systems{{citation needed\|date=April 2025}}.

	==History==		==History==

Trdta4: comment out update banner

2025-04-28T09:37:06Z

comment out update banner

← Previous revision		Revision as of 09:37, 28 April 2025
Line 1:		Line 1:
	{{Short description\|Uses in embedded systems}}		{{Short description\|Uses in embedded systems}}
			<!-- commented out
	{{Update\|reason=following Oct. 2024 discussion in [[Talk:Linux_on_embedded_systems#outdated]], started major revisionas per [[Talk:Linux_on_embedded_systems#suggestions for updates]]\|date=April 2025}}		{{Update\|reason=following Oct. 2024 discussion in [[Talk:Linux_on_embedded_systems#outdated]], started major revisionas per [[Talk:Linux_on_embedded_systems#suggestions for updates]]\|date=April 2025}}
			-->
	The [[Linux\|Linux Operating system]] is prevalent in [[embedded system]]s. As of 2024, Embedded Linux shares the top spot with [[FreeRTOS]], with 44% of embedded systems using this operating system <ref>{{cite web \|title=Embedded Systems Statistics By Market Size And Technologies \|url=https://electroiq.com/stats/embedded-systems-statistics \|website=Electro IQ \|access-date=April 20, 2025}}</ref>. Due to its [[Linux range of use\|versatility]], its large community of developers, as well as its adaptability to devices with size and power constraints, Linux is a popular choice for devices used in [[Edge Computing]]<ref>{{cite web \|title=2023 State of the Edge Report \|url=https://lfedge.org/introducing-the-2023-state-of-the-edge-report-navigating-the-frontier-of-edge-computing \|website=LFEdge}}</ref> and autonomous systems{{citation needed}}.		The [[Linux\|Linux Operating system]] is prevalent in [[embedded system]]s. As of 2024, Embedded Linux shares the top spot with [[FreeRTOS]], with 44% of embedded systems using this operating system <ref>{{cite web \|title=Embedded Systems Statistics By Market Size And Technologies \|url=https://electroiq.com/stats/embedded-systems-statistics \|website=Electro IQ \|access-date=April 20, 2025}}</ref>. Due to its [[Linux range of use\|versatility]], its large community of developers, as well as its adaptability to devices with size and power constraints, Linux is a popular choice for devices used in [[Edge Computing]]<ref>{{cite web \|title=2023 State of the Edge Report \|url=https://lfedge.org/introducing-the-2023-state-of-the-edge-report-navigating-the-frontier-of-edge-computing \|website=LFEdge}}</ref> and autonomous systems{{citation needed}}.

Trdta4: variants section and device coverage update

2025-04-28T09:34:22Z

variants section and device coverage update

Show changes

← Previous revision		Revision as of 05:11, 25 May 2025
Line 40:		Line 40:
	[[File:Linux embedded Real Time Evolution.png\|thumb\|Linux embedded Real Time Evolution]]		[[File:Linux embedded Real Time Evolution.png\|thumb\|Linux embedded Real Time Evolution]]

	Not every embedded Linux distribution is required to or meets [[Real-time computing\|real-time]] requirements.<ref>{{Citation\|last=Erciyes\|first=K.\|title=Real-Time Operating Systems\|date=2019\|url=http://link.springer.com/10.1007/978-3-030-22570-4_4\|work=Distributed Real-Time Systems\|series=Computer Communications and Networks\|pages=65–88\|place=Cham\|publisher=Springer International Publishing\|language=en\|doi=10.1007/978-3-030-22570-4_4\|isbn=978-3-030-22569-8\|s2cid=199583025\|access-date=2021-03-08}}</ref><ref>{{Cite web\|title=What does it mean to say "linux kernel is preemptive"?\|url=https://stackoverflow.com/questions/5283501/what-does-it-mean-to-say-linux-kernel-is-preemptive\|access-date=2021-03-08\|website=Stack Overflow}}</ref> This is particular relevant for [[safety critical]] applications and systems.<ref>{{Cite web\|title=Real-Time Operating System - an overview {{!}} ScienceDirect Topics\|url=https://www.sciencedirect.com/topics/computer-science/real-time-operating-system\|access-date=2021-03-08\|website=www.sciencedirect.com}}</ref>		Not every embedded Linux distribution is required to or meets [[Real-time computing\|real-time]] requirements.<ref>{{Citation\|last=Erciyes\|first=K.\|title=Real-Time Operating Systems\|date=2019\|url=http://link.springer.com/10.1007/978-3-030-22570-4_4\|work=Distributed Real-Time Systems\|series=Computer Communications and Networks\|pages=65–88\|place=Cham\|publisher=Springer International Publishing\|language=en\|doi=10.1007/978-3-030-22570-4_4\|isbn=978-3-030-22569-8\|s2cid=199583025\|access-date=2021-03-08\|url-access=subscription}}</ref><ref>{{Cite web\|title=What does it mean to say "linux kernel is preemptive"?\|url=https://stackoverflow.com/questions/5283501/what-does-it-mean-to-say-linux-kernel-is-preemptive\|access-date=2021-03-08\|website=Stack Overflow}}</ref> This is particular relevant for [[safety critical]] applications and systems.<ref>{{Cite web\|title=Real-Time Operating System - an overview {{!}} ScienceDirect Topics\|url=https://www.sciencedirect.com/topics/computer-science/real-time-operating-system\|access-date=2021-03-08\|website=www.sciencedirect.com}}</ref>

	The original Linux kernel was not suitable for real-time tasks due to its non-deterministic behavior<ref>{{cite journal \|last1=Reghenzani \|first1=Federico \|title=The real-time linux kernel: A survey on Preempt_RT \|journal=ACM Computing Surveys \|date=2019 \|volume=52 \|page=1-36}}</ref>		The original Linux kernel was not suitable for real-time tasks due to its non-deterministic behavior<ref>{{cite journal \|last1=Reghenzani \|first1=Federico \|title=The real-time linux kernel: A survey on Preempt_RT \|journal=ACM Computing Surveys \|date=2019 \|volume=52 \|page=1-36}}</ref>