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Monday, October 5 • 10:30 - 11:20
Shared Logging Between the Kernel and the Bootloader - Sean Hudson, Mentor Graphics

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This presentation shows the process I went through to revitalize shared logging between the bootloader and the kernel. Currently, the bootloader log and the kernel log are independent from one another, which complicates the post-mortem log analysis process. At one time, these logs could be shared, which greatly enhanced the debugging process on embedded systems. During the talk, I quickly cover the history of the shared logging feature and changes in the internal kernel logging structures. Next, I discuss the some of the challenges encountered and iterative steps taken to get this feature working with the new kernel structures and in a more generalized way. Finally, I highlight remaining challenges that are left to be worked out and I conclude with a quick, live demonstration of the feature.

avatar for Sean Hudson

Sean Hudson

Embedded Linux Architect & Member of Technical Staff, Mentor Graphics, Inc
I am an embedded Linux architect at Mentor Graphics. I have worked on embedded devices since 1996 and with embedded Linux since 2006. Most notably, I have been involved with the Yocto Project since it's public announcement in 2010, have served on the YP Advisory Board for two different companies, and am currently a member of the OpenEmbedded Board.

Monday October 5, 2015 10:30 - 11:20
Wicklow Hall 2B

Attendees (100)