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Old 06-08-2004, 01:30 PM   #1
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Registered: Jun 2004
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unexpected application delay

I'm running an application on SuSE 9.0 and it intermittently experiences a hard 1 second delay. The application appears to be "blocked" during this time. The application has locked down memory (mlockall) and is running at "RT" priority (sched_setscheduler(0,SCHED_FIFO,99)). The application requires 1ms granularity. I realize SuSE 9.0 is running a 2.4 kernel but I'm dealing internally with the 10ms limitiation. there a way to prevent my application from being blocked by the OS other than switching OS's or installing RTLinux)? I'm making a pretty good guess here that it's the OS that's causing the interference. Any suggestion would be appreciated.
Old 06-08-2004, 07:36 PM   #2
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" I'm making a pretty good guess here that it's the OS that's causing the interference. "

You might get a more accurate picture of what is causing the interference by using the top command.

Be prepared. Create a LifeBoat CD.

Steve Stites


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