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linux:kernel [2006/11/02 12:22] a usage of kernellab |
linux:kernel [2009/05/25 00:35] (current) |
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====== Linux kernel ====== | ====== Linux kernel ====== | ||
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+ | ===== Compiling the debian way ===== | ||
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+ | **see:** [[http:// | ||
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+ | bzip2 -dc / | ||
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+ | After **'' | ||
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+ | ** SMP/ | ||
+ | # CONCURRENCY_LEVEL=4 make-kpkg --initrd --rootcmd=fakeroot --append-to-version=< | ||
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+ | ==== Cross-compiling ==== | ||
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+ | see: http:// | ||
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+ | Adjust $KERNELSOURCE/ | ||
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for a in router1 router2 router3 ...; do kernellab " | for a in router1 router2 router3 ...; do kernellab " | ||
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+ | ===== IO scheduler ===== | ||
+ | * Completely Fair Queuing—elevator=cfq | ||
+ | * Deadline—elevator=deadline | ||
+ | * NOOP—elevator=noop | ||
+ | * Anticipatory—elevator=as | ||
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+ | image = / | ||
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+ | root = /dev/hda1 | ||
+ | label = kernel_2.6.11.3 | ||
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+ | # cat / | ||
+ | noop [anticipatory] deadline cfq | ||
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+ | how come deadline is not being chosen?? | ||
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+ | This works. | ||
+ | # echo deadline > / | ||
+ | # cat / | ||
+ | noop anticipatory [deadline] cfq |