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Channel: KernelTrap - Steven Rostedt
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Linux: 64-bit Lguest

"This is a formal announcement of Lguest64," Steven Rostedt said in an email posted to the Linux Kernel mailing list. He explained:"Most are aware of the little puppies (lguest32, or simply lguest, or...

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Balancing Real Time Threads

"Currently in mainline the balancing of multiple RT threads is quite broken. That is to say that a high priority thread that is scheduled on a CPU with a higher priority thread, may need to...

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Quote: I Thought One Could Place printk Anywhere

"I thought that one could place a printk anywhere without worrying. But it seems that it is not wise to place a printk where the runqueue lock is held."

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Quote: Largest Performance Improvement To Hit The RT Patch

"This is the largest performance improvement to hit the RT patch since the removal of the global PI lock. On my 4way box running 'hackbench 50' went from 18 seconds down to just under 5 seconds (4.8)....

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Quote: Sacrificing Performance To Achieve Determinism

"An RTOS (Real-time Operating System) will sacrifice performance to achieve determinism (low latencies). Several key features to an RT system usually come with a performance cost. A non RT system will...

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