Difference between revisions of "Operating Systems 2015F Lecture 16"
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==Video== | ==Video== | ||
The video from the lecture given on November 6, 2015 [http://homeostasis.scs.carleton.ca/~soma/os-2015f/lectures/comp3000-2015f-lec16-06Nov2015.mp4 is now available]. | |||
==Notes== | ==Notes== | ||
<pre> | |||
Lecture 16 | |||
---------- | |||
Ideas | |||
How do you make scheduling better? | |||
- pay attention to what I'm paying attention to | |||
- give resources to processes that have "customers" | |||
- narcolepsy | |||
Kernel forks | |||
- The Linux kernel is a family of kernels | |||
- there's "mainline": what Linus produces | |||
- there's "stable": bug fixes to old mainline kernels | |||
- there's distribution kernels | |||
- Debian/Ubuntu | |||
- Red Hat | |||
- SuSE | |||
- add patches to fix bugs and add features | |||
- kernels for embedded systems, particularly Android | |||
- support for new hardware/architectures | |||
- ARM has no standard hardware interface | |||
- BINARY BLOBS/obfuscated code | |||
- A MESS, because you are stuck with one version of the | |||
Linux kernel | |||
</pre> | |||
Latest revision as of 16:10, 6 November 2015
Video
The video from the lecture given on November 6, 2015 is now available.
Notes
Lecture 16
----------
Ideas
How do you make scheduling better?
- pay attention to what I'm paying attention to
- give resources to processes that have "customers"
- narcolepsy
Kernel forks
- The Linux kernel is a family of kernels
- there's "mainline": what Linus produces
- there's "stable": bug fixes to old mainline kernels
- there's distribution kernels
- Debian/Ubuntu
- Red Hat
- SuSE
- add patches to fix bugs and add features
- kernels for embedded systems, particularly Android
- support for new hardware/architectures
- ARM has no standard hardware interface
- BINARY BLOBS/obfuscated code
- A MESS, because you are stuck with one version of the
Linux kernel