Kselftest 
Short summary of work done so far for 3.17: 
● fix compile errors and warnings in various tests 
● fix run-time...
Kselftest 
What's planned for 3.18 and beyond: 
● get feedback on the new kselftest target from the community 
● add more ...
Kselftest discussion thread 
summary 
Desired features and potential test contributions: 
● Incorporate kselftest into too...
Kselftest goals 
● Grow kselftest to be a quick way for developers regression 
test. 
● Keep tests updated as new features...
Test resources shared on the 
discussion thread 
● File system test tool: Tes s'o 
https://git.kernel.org/cgit/fs/ext2/xfs...
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Kernel Selftest Project (Kernel Summit NA 2014)

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Shuah Khan, Senior Kernel Engineer, Samsung Open Source Group, presents a new project she's helped to create to provide a 'self-test' framework for the Linux Kernel.

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Kernel Selftest Project (Kernel Summit NA 2014)

  1. 1. Kselftest Short summary of work done so far for 3.17: ● fix compile errors and warnings in various tests ● fix run-time errors when tests aren't run as root ● enhance and improve cpu and memory hot-plug tests to run in limited scope mode by default. A new make target to select full-scope testing. Prior to this change, cpu and memory hot-plug tests hung trying to hot-plug all but cpu0 and a large portion of the memory. ● add a new kselftest target to run existing selftests to start with. Shuah Khan
  2. 2. Kselftest What's planned for 3.18 and beyond: ● get feedback on the new kselftest target from the community ● add more tests to be run under kselftest umbrella ● identify existing tests under /lib and other areas that make a good candidate to be included under kselftest ● Some of these could be run as a tool and/or a independent test with a few changes and some probably aren't like the /lib/locking tests. ● As a goal, try to leverage existing tests and modify them as needed to run them as a black-box test (e.g: look into ways to make it run as a tool) ● Greg KH sparked the kernel selftest idea, has been in the loop for the work done so far, and reviewed the plan for 3.18. Shuah Khan
  3. 3. Kselftest discussion thread summary Desired features and potential test contributions: ● Incorporate kselftest into tool that cross-build, and boot on QEMU - make it easier to sanity test as many architectures as possible Grant Likely ● Improve tests to log statistics etc. - working towards automating tests – Masami Hiramatsu ● Scripts to do build/boot/test cycle for cross-platform hardware – Tim Bird (might have overlaps with ktest) ● Basic size test - build/boot/size comparisons for each config option – Tim Bird ● Trigger cross-build from git pushes – Linus Walleij Shuah Khan
  4. 4. Kselftest goals ● Grow kselftest to be a quick way for developers regression test. ● Keep tests updated as new features get added to the kernel ● Encourage test submissions Shuah Khan
  5. 5. Test resources shared on the discussion thread ● File system test tool: Tes s'o https://git.kernel.org/cgit/fs/ext2/xfstests-bld.git/tree/kvm-xfstests/test-appl iance/gen-image ● Boot test tool: Andy Lutomirski https://git.kernel.org/cgit/utils/kernel/virtme/virtme.git ● Rob Landley: http://landley.net/aboriginal/about.html Shuah Khan ● Kevin Hillman: – git://git.linaro.org/people/khilman/build-scripts.git – https://git.linaro.org/people/kevin.hilman/pyboot.git ● Aneesh Kumar – https://github.com/autotest/autotest-client-tests – Sandbox setup for the above - https://github.com/autotest/virt-test

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