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Found Something on CPU time

 
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JP86SS



Joined: 22 Apr 2004
Posts: 217
Location: Strongsville, Ohio

PostPosted: Fri Oct 27, 2006 3:23 pm    Post subject: Found Something on CPU time Reply with quote

While watching the performance meter I discovered if you DO NOT hit stop when replaying a log (use only the pause button) The CPU usage will drop back to almost nothing when paused.
If you hit STOP, the CPU gets tied up with "User Time" and will not restore free processor time until SP is shut down. Repeated several times to confirm it.

When "playing"
Processor 100%
Priveledged time 87%
User Time = 14-18%

When "paused"
Processor 1-2%
Priveledged time 1-2%
User Time = 0-1%

When "stopped"
Processor 100%
Priveledged time 1%
User Time = 99%

Anyway, might help you narrow down that issue.
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Mangus
TunerPro Author


Joined: 19 Mar 2003
Posts: 1802

PostPosted: Fri Nov 03, 2006 8:07 am    Post subject: Reply with quote

Thanks. I know what the issue is, though. It's a thread timing issue, and what sucks is that it doesn't happen in Debug builds (debug overhead slows things enough to make the problem nonexistent).
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