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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

Sean has developed software for embedded devices since 1996. He started using Linux personally in 1999 and began developing embedded Linux devices professionally in 2006. He is an Emeritus member of the YP Advisory Board, a member of the OpenEmbedded Board, and part of the devic... Read More →

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

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