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The age of kernel code in various subsystems
These images along with the article How old is
our kernel?, which looks at how much kernel code from older versions
survives in 2.6.33-rc7. This is the full-kernel chart from the article:
For those interested in various subsystems, the results are:
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The age of kernel code in various subsystems Posted Feb 17, 2010 21:36 UTC (Wed) by hildeb (subscriber, #6532) [Link]
The last graph shows no percentages!
Tools chart Posted Feb 17, 2010 21:42 UTC (Wed) by corbet (editor, #1) [Link] Oops...grabbed the line counts column rather than the percentage column. Fixed now. Shape of the chart is the same, of course; only the labels have changed.
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![[Pretty bar chart]](/images/ns/kernel/age/age.full-kernel.png)
![[Pretty bar chart]](/images/ns/kernel/age/age-arch.png)
![[Pretty bar chart]](/images/ns/kernel/age/age-block.png)
![[Pretty bar chart]](/images/ns/kernel/age/age-docs.png)
![[Pretty bar chart]](/images/ns/kernel/age/age-drivers.png)
![[Pretty bar chart]](/images/ns/kernel/age/age-fs.png)
![[Pretty bar chart]](/images/ns/kernel/age/age-kernel.png)
![[Pretty bar chart]](/images/ns/kernel/age/age-include.png)
![[Pretty bar chart]](/images/ns/kernel/age/age-mm.png)
![[Pretty bar chart]](/images/ns/kernel/age/age-net.png)
![[Pretty bar chart]](/images/ns/kernel/age/age-security.png)
![[Pretty bar chart]](/images/ns/kernel/age/age-sound.png)
![[Pretty bar chart]](/images/ns/kernel/age/age-tools.png)