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Os Kroahhartman

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2007 State of the Linux Kernel Greg Kroah-Hartman SuSE Labs / Novell
 
Development or Stable tree?
Development or Stable tree? Everything is “stable”
 
New release every 2 ½ months
 
 
3.31 changes per hour 2.6.18 to 2.6.22
10% growth
8.5 million lines as of the 2.6.22 release
2330 lines added every day 2800 lines modified every day 24 hours a day 7 days a week 2.6.18 to 2.6.22
 
 
 
 
2110 Developers Kernel releases 2.6.18 - 2.6.22
Top developers by quantity Al Viro 681 David S. Miller 523 Andrew Morton 482 Ralf Baechle 440 Tejun Heo 434 Adrian Bunk 408 Andi Kleen 361 Stephen Hemminger 341 Patrick McHardy 323 David Woodhouse 310 Kernel releases 2.6.18 - 2.6.22
Top Signed-off-by: Andrew Morton 7756 Linus Torvalds 7592 David S. Miller 2996 Jeff Garzik 1965 Greg Kroah-Hartman 1674 Paul Mackerras 1279 Mauro Carvalho Chehab 1254 Russell King 1024 Andi Kleen 972 James Bottomley 841 Kernel releases 2.6.18 - 2.6.22
Who is funding this work? 1. 2. 3. Red Hat 12.9% 4. IBM 8.7% 5. Novell 7.5% 6. Linux Foundation 6.8% 7. Intel 4.2% 8. SGI 1.7% 9. Consultants 1.4% 10. MIPS 1.4% Kernel releases 2.6.18 - 2.6.22
Who is funding this work? 1. Unknown Individuals 18.1% 2. “Amateurs” 13.3% 3. Red Hat 12.9% 4. IBM 8.7% 5. Novell 7.5% 6. Linux Foundation 6.8% 7. Intel 4.2% 8. SGI 1.7% 9. Consultants 1.4% 10. MIPS 1.4% Kernel releases 2.6.18 - 2.6.22
2.6.22 1. “Amateurs” 17.6% 2. Red Hat 12.8% 3. IBM 10.1% 4. Unknown Individuals 8.3% 5. Linux Foundation 6.8% 6. Novell 6.7% 7. Consultants 3.4% 8. Intel 3.1% 9. Oracle 2.2% 10. SGI 1.7%
 

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Os Kroahhartman

  • 1. 2007 State of the Linux Kernel Greg Kroah-Hartman SuSE Labs / Novell
  • 2.  
  • 4. Development or Stable tree? Everything is “stable”
  • 5.  
  • 6. New release every 2 ½ months
  • 7.  
  • 8.  
  • 9. 3.31 changes per hour 2.6.18 to 2.6.22
  • 11. 8.5 million lines as of the 2.6.22 release
  • 12. 2330 lines added every day 2800 lines modified every day 24 hours a day 7 days a week 2.6.18 to 2.6.22
  • 13.  
  • 14.  
  • 15.  
  • 16.  
  • 17. 2110 Developers Kernel releases 2.6.18 - 2.6.22
  • 18. Top developers by quantity Al Viro 681 David S. Miller 523 Andrew Morton 482 Ralf Baechle 440 Tejun Heo 434 Adrian Bunk 408 Andi Kleen 361 Stephen Hemminger 341 Patrick McHardy 323 David Woodhouse 310 Kernel releases 2.6.18 - 2.6.22
  • 19. Top Signed-off-by: Andrew Morton 7756 Linus Torvalds 7592 David S. Miller 2996 Jeff Garzik 1965 Greg Kroah-Hartman 1674 Paul Mackerras 1279 Mauro Carvalho Chehab 1254 Russell King 1024 Andi Kleen 972 James Bottomley 841 Kernel releases 2.6.18 - 2.6.22
  • 20. Who is funding this work? 1. 2. 3. Red Hat 12.9% 4. IBM 8.7% 5. Novell 7.5% 6. Linux Foundation 6.8% 7. Intel 4.2% 8. SGI 1.7% 9. Consultants 1.4% 10. MIPS 1.4% Kernel releases 2.6.18 - 2.6.22
  • 21. Who is funding this work? 1. Unknown Individuals 18.1% 2. “Amateurs” 13.3% 3. Red Hat 12.9% 4. IBM 8.7% 5. Novell 7.5% 6. Linux Foundation 6.8% 7. Intel 4.2% 8. SGI 1.7% 9. Consultants 1.4% 10. MIPS 1.4% Kernel releases 2.6.18 - 2.6.22
  • 22. 2.6.22 1. “Amateurs” 17.6% 2. Red Hat 12.8% 3. IBM 10.1% 4. Unknown Individuals 8.3% 5. Linux Foundation 6.8% 6. Novell 6.7% 7. Consultants 3.4% 8. Intel 3.1% 9. Oracle 2.2% 10. SGI 1.7%
  • 23.