Difference between revisions of "File Systems Presentations"

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= '''File system''' =
 
= '''File system''' =
  
== Embedded systems using eBPF ==
+
== Tracing Resource-constrained Embedded Systems using eBPF ==
 +
'''Presenter:''' Ioan-Adrian Ratiu, Collabora  <br>
 +
'''Summary:'''
 +
This presentation provides information about the eBPF and <br>
 +
mainstream way of tracing using the eBPF compiler collection <br>
 +
for data centers. <br>
  
'''Presenter:''' Ioan-Adrian Ratiu, Collabora  <br>
+
* [https://elinux.org/images/a/a0/ELC_NA_2019_Adrian_Ratiu.pdf PDF] | [https://www.youtube.com/watch?v=Moi8izZ2glQ VIDEO] ELC 2019
 +
 
 +
== Linux Storage System Bottleneck for eMMC/UFS ==
 +
'''Presenter: '''Bean Huo & Zoltan Szubbocsev, Micron <br>
 +
'''Summary:'''
 +
This presentation explores the parameters that impact I/O performance.<br>
 +
It looks into system performance limitations in the Linux eMMC/UFS subsystem<br>
 +
and expose bottlenecks caused by the software through Ftrace.
 +
* [https://elinux.org/images/6/6c/Linux_Storage_System_Bottleneck_Exploration_V0.3.pdf PDF] | [https://youtu.be/oMOdoulBFAs VIDEO] ELCE 2017
  
 +
== Read-only rootfs: Theory and Practice ==
 +
'''Presenter:''' Chris Simmonds, 2net  <br>
 
'''Summary:'''
 
'''Summary:'''
This presentation provides information about the eBPF and mainstream way of tracing using the eBPF compiler collection for data centers. <br>
+
This presentation provides information about mapping writes onto volatile <br>
 +
or non-volatile storage and real word embedded system with read-only rootfs. <br>
  
[https://elinux.org/images/a/a0/ELC_NA_2019_Adrian_Ratiu.pdf PDF] | [https://www.youtube.com/watch?v=Moi8izZ2glQ VIDEO] ELC 2019
+
* [https://elinux.org/images/1/1f/Read-only_rootfs.pdf PDF] | [https://youtu.be/Nocs3etLs9w?list=PLbzoR-pLrL6pRFP6SOywVJWdEHlmQE51q VIDEO] ELCE 2016
  
 
== File system Considerations for Embedded Devices ==
 
== File system Considerations for Embedded Devices ==
 
 
'''Presenter:''' Tristan Lelong, Adeneo  <br>
 
'''Presenter:''' Tristan Lelong, Adeneo  <br>
 
 
'''Summary:'''
 
'''Summary:'''
 
The session talks about design requirements of Embedded <br>
 
The session talks about design requirements of Embedded <br>
 
devices, differences between NAND and MMC and features of file system. <br>
 
devices, differences between NAND and MMC and features of file system. <br>
  
[https://elinux.org/images/0/02/Filesystem_Considerations_for_Embedded_Devices.pdf PDF] ELC 2015
+
* [https://elinux.org/images/0/02/Filesystem_Considerations_for_Embedded_Devices.pdf PDF] ELC 2015
 +
 
 +
== Current Challenges in UBIFS ==
 +
'''Presenter:'''Richard Weonberger, Sigma Star GmbH  <br>
 +
'''Summary:'''
 +
This presentation provides information about the NAND flash system, <br>
 +
flash cell operation, and how fault can be mitigated. <br>
 +
 
 +
* [https://elinux.org/images/c/c5/Ubifs_challenges.pdf PDF] ELCE 2015
  
 
== A Deep Dive Into DEX File Format ==
 
== A Deep Dive Into DEX File Format ==
 
 
'''Presenter:''' Rodrigo Chiossi, Intel Open Source Technology Center. <br>
 
'''Presenter:''' Rodrigo Chiossi, Intel Open Source Technology Center. <br>
 
 
'''Summary:'''
 
'''Summary:'''
 
The session covers information about the DEX file structure, <br>  
 
The session covers information about the DEX file structure, <br>  
 
characteristics, DEX instrumentation and limitations. <br>
 
characteristics, DEX instrumentation and limitations. <br>
  
[https://elinux.org/images/d/d9/A_deep_dive_into_dex_file_format--chiossi.pdf PDF] ELC 2014
+
* [https://elinux.org/images/d/d9/A_deep_dive_into_dex_file_format--chiossi.pdf PDF] ELC 2014
  
 
== F2FS (Flash-Friendly File System). ==
 
== F2FS (Flash-Friendly File System). ==
 
 
'''Presenter:''' Joo-Young Hwang, Samsung Electronics Co., Ltd. <br>
 
'''Presenter:''' Joo-Young Hwang, Samsung Electronics Co., Ltd. <br>
 
 
'''Summary:'''
 
'''Summary:'''
 
This presentation provides information about the FTL device <br>
 
This presentation provides information about the FTL device <br>
Line 39: Line 57:
 
in Mobile Phones. <br>
 
in Mobile Phones. <br>
  
[https://elinux.org/images/1/12/Elc2013_Hwang.pdf PDF] | [http://free-electrons.com/blog/elc-2013-videos/ VIDEO] ELC 2013
+
* [https://elinux.org/images/1/12/Elc2013_Hwang.pdf PDF] | [http://free-electrons.com/blog/elc-2013-videos/ VIDEO] ELC 2013
 
 
==An Insight into the Advanced XIP Filesystem (AXFS) ==
 
  
 +
== An Insight into the Advanced XIP Filesystem (AXFS) ==
 
'''Presenter:''' Aditya Kumar, Sony India Software Centre Pvt Ltd  <br>
 
'''Presenter:''' Aditya Kumar, Sony India Software Centre Pvt Ltd  <br>
 
 
'''Summary:'''
 
'''Summary:'''
 
The slides cover information about AXFS design, <br>
 
The slides cover information about AXFS design, <br>
 
usage and performance comparison of AXFS in different scenarios, <br>
 
usage and performance comparison of AXFS in different scenarios, <br>
including use of AXFS in combination with other optimization techniques. <br>
+
including the use of AXFS in combination with other optimization techniques. <br>
  
[https://elinux.org/images/8/8c/Elc2013_Kumar.pdf PDF] | [https://youtu.be/phLxr77vHG0 VIDEO] ELC 2013
+
* [https://elinux.org/images/8/8c/Elc2013_Kumar.pdf PDF] | [https://youtu.be/phLxr77vHG0 VIDEO] ELC 2013
  
==Linux on eMMC: Optimizing For Performance ==
+
== Linux on eMMC: Optimizing For Performance ==
 +
'''Presenter:''': Ken Tough, Intrinsyc  <br>
 +
'''Summary:'''
 +
This presentation provides information about eMMc characteristics, <br>
 +
read times, analysis at MMC/BLOCK level, and file system layout. <br>
 +
 
 +
* [https://elinux.org/images/4/41/Linux_on_eMMC-_Optimizing_For_Performance.pdf PDF] ELC 2012
 +
 
 +
==A New File System Designed for Flash Storage in Mobile ==
 +
'''Presenter:''': Joo-Young Hwang, Samsung <br>
 +
'''Summary:'''
 +
This presentation provides information about NAND flash-based storage devices, <br>
 +
NAND flash memory, flash translation layer, and FTL device characteristics. <br>
  
'''Presenter:''': Ken Tough, Intrinsyc  <br>
+
* [https://elinux.org/images/8/81/A_New_File_System_Designed_for_Flash_Storage_in_Mobile.pdf PDF] ELCE 2012
  
 +
==FFSB and IOzone: File system Benchmarking Tools, Features and Internals==
 +
'''Presenter:''': Keshava Munegowda, Texas Instruments <br>
 
'''Summary:'''
 
'''Summary:'''
This presentation provides information about eMMc characteristics, <br>
+
This presentation provides information about FFSB <br>
read times, analysis at MMC/BLOCK level and file system layout. <br>
+
(Flexible File System Benchmarking )overview, <br>
 +
FFSB profile files, FFSB internal and IOzone overview. <br>
 +
 
 +
* [https://elinux.org/images/f/f7/FFSB_and_IOzone-_File_system_Benchmarking_Tools%2C_Features_and_Internals.pdf PDF] ELCE 2012
  
[https://elinux.org/images/4/41/Linux_on_eMMC-_Optimizing_For_Performance.pdf PDF] ELC 2012
+
== ARC Linux: From a Tumbling Toddler to a Graduating Teen==
 +
'''Presenter:''':Vineet Gupta, Synopsys <br>
 +
'''Summary:'''
 +
This presentation provides information about ARC architecture, <br>
 +
ARCompact ISA, and file system Corruption with DMA. <br>
  
==Power Fail Safe FAT File Systems ==
+
* [https://elinux.org/images/2/24/ARC_Linux_From_a_Tumbling_Toddler_to_a_Graduating_Teen.pdf PDF] ELCE 2012
  
 +
== Power Fail Safe FAT File Systems ==
 
'''Presenter:''' Keshava Munegowda  <br>
 
'''Presenter:''' Keshava Munegowda  <br>
 
 
'''Summary:'''
 
'''Summary:'''
 
The session talks about the FAT file system, need of power fail <br>
 
The session talks about the FAT file system, need of power fail <br>
 
safe FAT and file system operation with logging and committing. <br>
 
safe FAT and file system operation with logging and committing. <br>
  
[https://elinux.org/images/5/54/Elc2011_munegowda.pdf PDF] ELC 2011
+
* [https://elinux.org/images/5/54/Elc2011_munegowda.pdf PDF] ELC 2011
 
 
==Evaluation of Data Reliability on Linux File Systems ==
 
  
 +
== Evaluation of Data Reliability on Linux File Systems ==
 
'''Presenter:''' Keshava Munegowda  <br>
 
'''Presenter:''' Keshava Munegowda  <br>
 
 
'''Summary:'''
 
'''Summary:'''
 
This presentation provides information about file system <br>
 
This presentation provides information about file system <br>
requirement, data consistency and safety to achieve the performance. <br>
+
the requirement, data consistency, and safety to achieve the performance. <br>
  
[https://elinux.org/images/2/26/Evaluation_of_Data_Reliability-ELC2010.pdf PDF] ELC 2010
+
* [https://elinux.org/images/2/26/Evaluation_of_Data_Reliability-ELC2010.pdf PDF] ELC 2010
  
==Update on filesystems for flash storage. ==
+
== Update on filesystems for flash storage. ==
 +
'''Presenter:''' Michael Opdenacker  <br>
 +
'''Summary:'''
 +
This presentation talks about new armel root file system <br>
 +
for the tests, easier access to MTD and file system utilities. <br>
  
 +
* [http://flash-filesystems.pdf PDF] ELC 2010
 +
 +
== Flash Filesystem Benchmarks ==
 
'''Presenter:''' Michael Opdenacker  <br>
 
'''Presenter:''' Michael Opdenacker  <br>
 +
'''Summary:'''
 +
This presentation provides information about file system jffs2, <br>
 +
ubifs,yaffs2,logfs,and the future of MTD devices. <br>
 +
 +
* [https://elinux.org/images/d/d7/Elce2010-flash-filesystems.pdf PDF] ELCE 2010
  
 +
== YAFFS Updates ==
 +
'''Presenter:''' Wookey  <br>
 
'''Summary:'''
 
'''Summary:'''
This presentation talks about new armel root file system <br>
+
This presentation provides information about the YAFFS file system, <br>
for the tests, easier access to MTD and file system utilities. <br>
+
flash file system, log structure, and future features. <br>
 +
 
 +
* [http://wookware.org/talks/yaffsupdate-ELCE-2010.pdf PDF] ELCE 2010
  
[http://flash-filesystems.pdf PDF] ELC 2010
+
== Adapting Debian Installer to NAS and Other Consumer Devices ==
 +
'''Presenter:''' Martin Michlmayr  <br>
 +
'''Summary:'''
 +
This presentation provides information about Debian on network-attached <br>
 +
storage devices and a list of supported devices. <br>
  
==Evaluation of Flash File Systems for Large NAND Flash Memory ==
+
* [https://elinux.org/images/6/67/Michlmayr-debian-on-nas.pdf PDF] ELCE 2010
  
 +
== Evaluation of Flash File Systems for Large NAND Flash Memory ==
 
'''Presenter:''' Toru Homma  <br>
 
'''Presenter:''' Toru Homma  <br>
 
 
'''Summary:'''
 
'''Summary:'''
 
This presentation provides overview of the different flash file systems, <br>
 
This presentation provides overview of the different flash file systems, <br>
 
software block file system and testing environment. <br>
 
software block file system and testing environment. <br>
  
[https://elinux.org/images/7/7e/ELC2009-FlashFS-Toshiba.pdf PDF] ELC 2009
+
* [https://elinux.org/images/7/7e/ELC2009-FlashFS-Toshiba.pdf PDF] ELC 2009
 +
 
 +
== Unexpected Emergence of Wide Use of NTFS in CE Devices ==
 +
'''Presenter:''' Jean-Pierre André, Szabolcs Szakacsits <br>
 +
'''Summary:'''
 +
This presentation provides information about NTFS  architecture, <br>
 +
the structure of a file, data streams, and access control. <br>
  
==AXFS: Architecture and Results. ==
+
* [https://elinux.org/images/0/04/Andre-NTFS3G.pdf PDF] ELCE 2009
  
 +
== AXFS: Architecture and Results. ==
 
'''Presenter:''' Jared Hulbert  <br>
 
'''Presenter:''' Jared Hulbert  <br>
 
 
'''Summary:'''
 
'''Summary:'''
 
The presenter talks about the new file system, supportable solution <br>
 
The presenter talks about the new file system, supportable solution <br>
 
for application XIP and flexible use of all <br> system. <br>
 
for application XIP and flexible use of all <br> system. <br>
  
[https://elinux.org/images/0/07/AXFS_at_ELC_2008.ppt PDF] ELC 2008
+
* [https://elinux.org/images/0/07/AXFS_at_ELC_2008.ppt PDF] ELC 2008
 
 
==Filesystem Support on Multi Level Cell (MLC) Flash in Open Source ==
 
  
 +
== Filesystem Support on Multi Level Cell (MLC) Flash in Open Source ==
 
'''Presenter:''' Kyungmin Park, Sunmi Yoo  <br>
 
'''Presenter:''' Kyungmin Park, Sunmi Yoo  <br>
 
 
'''Summary:'''
 
'''Summary:'''
 
The session covers details on the MLC software and <br>
 
The session covers details on the MLC software and <br>
 
direct use of MLC flash. <br>
 
direct use of MLC flash. <br>
  
[https://elinux.org/images/7/76/ELC2008_Filesystem_support_on_Multi_Level_Cell_flash_in_open_source.ppt PDF] ELC 2008
+
* [https://elinux.org/images/7/76/ELC2008_Filesystem_support_on_Multi_Level_Cell_flash_in_open_source.ppt PDF] ELC 2008
 +
 
 +
== Overview of SquashFS filesystem ==
 +
'''Presenter:''' Philip Lougher  <br>
 +
'''Summary:'''
 +
This presentation provides information about the squashFS file system, <br>
 +
bit field example, squashFS layout, and file system comparison. <br>
 +
 
 +
* [https://elinux.org/images/3/32/Squashfs-elce.pdf PDF] | [https://bootlin.com/pub/video/2008/elce/elce2008-lougher-squashfs.ogv VIDEO] ELCE 2008
 +
 
 +
== Update on filesystems for flash storage ==
 +
'''Presenter:''' Michael Opdenacker <br>
 +
'''Summary:'''
 +
This presentation provides information about the <br>
 +
flash file system and flash storage file system. <br>
 +
 
 +
* [https://elinux.org/images/a/ab/Flash-filesystems.pdf PDF] | [https://bootlin.com/pub/video/2008/elce/elce2008-opdenacker-flash-filesystems-update.ogv VIDEO] ELCE 2008
 +
 
 +
== Using Appropriate Wear-leveling to Extend Product Lifespan ==
 +
'''Presenter:''' Bill Roman <br>
 +
'''Summary:'''
 +
This presentation provides information about the flash file system, JFFS &jffs2, <br>
 +
and dynamic read/write data stored in the file system. <br>
 +
 
 +
* [https://elinux.org/images/a/a8/Datalight_ELC_Presentation_6_Nov_2008.pdf PDF] | [https://bootlin.com/pub/video/2008/elce/elce2008-romain-appropriate-wear-leveling.ogv VIDEO] ELCE 2008
  
==File System Survey, Focus on Embedded Linux==
+
== Managing NAND Flash to Optimize Product Longevity ==
 +
'''Presenter:''' Matt Porter <br>
 +
'''Summary:'''
 +
This presentation provides information about flash design challenges, <br>
 +
NAND flash types, and Linux tools. <br>
  
'''Presenter:''' Gene Sally    <br>
+
* [https://elinux.org/images/d/de/Managing_nand_flash_elce.pdf PDF] | [https://bootlin.com/pub/video/2008/elce/elce2008-porter-nand-longevity.ogv VIDEO] ELCE 2008
  
 +
==File System Survey, Focus on Embedded Linux ==
 +
'''Presenter:''' Gene Sally  <br>
 
'''Summary:'''
 
'''Summary:'''
 
This presentation provides information about file system, <br>
 
This presentation provides information about file system, <br>
 
kernel and user space file systems and picking a root file system. <br>
 
kernel and user space file systems and picking a root file system. <br>
  
[http://filesystems-for-embedded-linux.pdf PDF] ELC 2007
+
* [http://filesystems-for-embedded-linux.pdf PDF] ELC 2007
 +
 
 +
== Introduction to LogFS ==
 +
'''Presenter:''' Jörn Engel  <br>
 +
'''Summary:'''
 +
This presentation provides information about logfs file system, <br>
 +
raw flash chips with JFFS2, and smart media devices. <br>
 +
 
 +
* [https://bootlin.com/pub/video/2007/elce/elce-2007-jorn-engel-logfs.ogg VIDEO] ELCE 2007
 +
 
 +
== Improving JFFS2 RAM Usage and Performance ==
 +
'''Presenter:''' Alexey Korolev  <br>
 +
'''Summary:'''
 +
This presentation provides information about JFFS2, the efficiency of JFFS2, <br>
 +
and volume size test data. <BR>
 +
 
 +
* [https://elinux.org/images/1/1b/ELC-E-JFFS2_RAM_Usage_impr.ppt PDF] | [https://bootlin.com/pub/video/2007/elce/elce-2007-alexey-korolev-improving-jffs2.ogg VIDEO] ELCE 2007
 +
 
 +
== YAFFS ==
 +
'''Presenter:''' Wookey  <br>
 +
'''Summary:'''
 +
This presentation provides information about the NAND file system, <br>
 +
mechanisms to deal with NAND problems, terminology, and design approach. <br>
 +
 
 +
* [https://elinux.org/images/e/e3/Yaffs.pdf PDF] | [https://bootlin.com/pub/video/2007/elce/elce-2007-wookey-yaffs.ogg VIDEO] ELCE 2007

Revision as of 00:26, 15 October 2020

File system

Tracing Resource-constrained Embedded Systems using eBPF

Presenter: Ioan-Adrian Ratiu, Collabora
Summary: This presentation provides information about the eBPF and
mainstream way of tracing using the eBPF compiler collection
for data centers.

Linux Storage System Bottleneck for eMMC/UFS

Presenter: Bean Huo & Zoltan Szubbocsev, Micron
Summary: This presentation explores the parameters that impact I/O performance.
It looks into system performance limitations in the Linux eMMC/UFS subsystem
and expose bottlenecks caused by the software through Ftrace.

Read-only rootfs: Theory and Practice

Presenter: Chris Simmonds, 2net
Summary: This presentation provides information about mapping writes onto volatile
or non-volatile storage and real word embedded system with read-only rootfs.

File system Considerations for Embedded Devices

Presenter: Tristan Lelong, Adeneo
Summary: The session talks about design requirements of Embedded
devices, differences between NAND and MMC and features of file system.

Current Challenges in UBIFS

Presenter:Richard Weonberger, Sigma Star GmbH
Summary: This presentation provides information about the NAND flash system,
flash cell operation, and how fault can be mitigated.

A Deep Dive Into DEX File Format

Presenter: Rodrigo Chiossi, Intel Open Source Technology Center.
Summary: The session covers information about the DEX file structure,
characteristics, DEX instrumentation and limitations.

F2FS (Flash-Friendly File System).

Presenter: Joo-Young Hwang, Samsung Electronics Co., Ltd.
Summary: This presentation provides information about the FTL device
characteristics, performance evaluation results and Storage Access Pattern
in Mobile Phones.

An Insight into the Advanced XIP Filesystem (AXFS)

Presenter: Aditya Kumar, Sony India Software Centre Pvt Ltd
Summary: The slides cover information about AXFS design,
usage and performance comparison of AXFS in different scenarios,
including the use of AXFS in combination with other optimization techniques.

Linux on eMMC: Optimizing For Performance

Presenter:: Ken Tough, Intrinsyc
Summary: This presentation provides information about eMMc characteristics,
read times, analysis at MMC/BLOCK level, and file system layout.

A New File System Designed for Flash Storage in Mobile

Presenter:: Joo-Young Hwang, Samsung
Summary: This presentation provides information about NAND flash-based storage devices,
NAND flash memory, flash translation layer, and FTL device characteristics.

FFSB and IOzone: File system Benchmarking Tools, Features and Internals

Presenter:: Keshava Munegowda, Texas Instruments
Summary: This presentation provides information about FFSB
(Flexible File System Benchmarking )overview,
FFSB profile files, FFSB internal and IOzone overview.

ARC Linux: From a Tumbling Toddler to a Graduating Teen

Presenter::Vineet Gupta, Synopsys
Summary: This presentation provides information about ARC architecture,
ARCompact ISA, and file system Corruption with DMA.

Power Fail Safe FAT File Systems

Presenter: Keshava Munegowda
Summary: The session talks about the FAT file system, need of power fail
safe FAT and file system operation with logging and committing.

Evaluation of Data Reliability on Linux File Systems

Presenter: Keshava Munegowda
Summary: This presentation provides information about file system
the requirement, data consistency, and safety to achieve the performance.

Update on filesystems for flash storage.

Presenter: Michael Opdenacker
Summary: This presentation talks about new armel root file system
for the tests, easier access to MTD and file system utilities.

Flash Filesystem Benchmarks

Presenter: Michael Opdenacker
Summary: This presentation provides information about file system jffs2,
ubifs,yaffs2,logfs,and the future of MTD devices.

YAFFS Updates

Presenter: Wookey
Summary: This presentation provides information about the YAFFS file system,
flash file system, log structure, and future features.

Adapting Debian Installer to NAS and Other Consumer Devices

Presenter: Martin Michlmayr
Summary: This presentation provides information about Debian on network-attached
storage devices and a list of supported devices.

Evaluation of Flash File Systems for Large NAND Flash Memory

Presenter: Toru Homma
Summary: This presentation provides overview of the different flash file systems,
software block file system and testing environment.

Unexpected Emergence of Wide Use of NTFS in CE Devices

Presenter: Jean-Pierre André, Szabolcs Szakacsits
Summary: This presentation provides information about NTFS architecture,
the structure of a file, data streams, and access control.

AXFS: Architecture and Results.

Presenter: Jared Hulbert
Summary: The presenter talks about the new file system, supportable solution
for application XIP and flexible use of all
system.

Filesystem Support on Multi Level Cell (MLC) Flash in Open Source

Presenter: Kyungmin Park, Sunmi Yoo
Summary: The session covers details on the MLC software and
direct use of MLC flash.

Overview of SquashFS filesystem

Presenter: Philip Lougher
Summary: This presentation provides information about the squashFS file system,
bit field example, squashFS layout, and file system comparison.

Update on filesystems for flash storage

Presenter: Michael Opdenacker
Summary: This presentation provides information about the
flash file system and flash storage file system.

Using Appropriate Wear-leveling to Extend Product Lifespan

Presenter: Bill Roman
Summary: This presentation provides information about the flash file system, JFFS &jffs2,
and dynamic read/write data stored in the file system.

Managing NAND Flash to Optimize Product Longevity

Presenter: Matt Porter
Summary: This presentation provides information about flash design challenges,
NAND flash types, and Linux tools.

File System Survey, Focus on Embedded Linux

Presenter: Gene Sally
Summary: This presentation provides information about file system,
kernel and user space file systems and picking a root file system.

Introduction to LogFS

Presenter: Jörn Engel
Summary: This presentation provides information about logfs file system,
raw flash chips with JFFS2, and smart media devices.

Improving JFFS2 RAM Usage and Performance

Presenter: Alexey Korolev
Summary: This presentation provides information about JFFS2, the efficiency of JFFS2,
and volume size test data.

YAFFS

Presenter: Wookey
Summary: This presentation provides information about the NAND file system,
mechanisms to deal with NAND problems, terminology, and design approach.