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On 11/27/2010 11:17 PM, App Deb wrote: |
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> On Sun, Nov 28, 2010 at 2:13 AM, Nikos Chantziaras<realnc@×××××.de> wrote: |
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>> On 11/28/2010 01:03 AM, Stroller wrote: |
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>>> |
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>>> On 27/11/2010, at 10:22pm, Nikos Chantziaras wrote: |
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>>>> |
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>>>> The ck patch set does not support group scheduling anyway; |
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>>> |
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>>> Now I'm a little more confused. Does `ionice` need the CFQ scheduler? |
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>> |
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>> Nope. I/O scheduling priorities are part of the I/O scheduler, not the CPU |
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>> scheduler. |
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> |
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> CFQ is the official I/O scheduler. |
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> |
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> ionice only works with CFQ. |
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I'm confused about which of all these various mechanisms apply to single-cpu |
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machines. AFAICT Con's BFS (e.g.) is really a CPU scheduler and doesn't affect |
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single-cpu machines very much. What about CFQ and group scheduling? Others? |
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Thanks for any clues. |
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