#7603 HIGH 8.2.0 (: 2.6.25 audio performance regression

Zarro Boogs per Child bugtracker at laptop.org
Fri Aug 15 14:33:33 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:                                     
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Comment(by veplaini):

 Have you read my posts to the devel list? I have seen significant
 improvement
 with the scheduler code. I have a patch already committed to CVS to do
 this
 in the rtalsa module, but because of the recent problems with Koji I was
 not
 able to build it. I will be able to do it on Monday evening, then you will
 be
 able to test csound from the terminal (by setting
 /etc/security/limits.conf
 correctly for user olpc).

 It's possible to test this code + memory lock by using the --sched option
 in the command line csound (as root, or as olpc if you edit limits.conf).
 The code in my patch does not lock memory.

-- 
Ticket URL: <http://dev.laptop.org/ticket/7603#comment:57>
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