#7603 HIGH 8.2.0 (: 2.6.25 audio performance regression

Zarro Boogs per Child bugtracker at laptop.org
Mon Aug 11 17:22:30 EDT 2008

#7603: 2.6.25 audio performance regression
   Reporter:  dsd       |       Owner:  dilinger                           
       Type:  defect    |      Status:  new                                
   Priority:  high      |   Milestone:  8.2.0 (was Update.2)               
  Component:  kernel    |     Version:  not specified                      
 Resolution:            |    Keywords:  joyride-2181:- 8.2.0:? blocks:8.2.0
Next_action:  diagnose  |    Verified:  0                                  
  Blockedby:            |    Blocking:                                     

Comment(by dsd):

 I patched tamtam, changed to the test kernel and ran my unscientific
 patch. underruns-per-minute reduced from 92 to 76. Then I detatched the
 screen session and close the terminal, and observed 16 underruns per
 minute (vs 8 from my previous measurements). 2.6.22 still seems to win
 hands-down on these tests.

 However I then launched TamTamMini from sugar, started a drumbeat and
 played a continuous tone on an instrument for a minute or so. Didn't hear
 any imperfections. So perhaps we have reached the stages of being "good

Ticket URL: <http://dev.laptop.org/ticket/7603#comment:47>
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