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Am 28.11.2010 19:53, schrieb App Deb: |
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> On Sun, Nov 28, 2010 at 7:39 PM, walt <w41ter@×××××.com> wrote: |
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> |
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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 |
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>> affect |
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>> single-cpu machines very much. What about CFQ and group scheduling? |
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>> Others? |
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>> |
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>> Thanks for any clues. |
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> |
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> Don't mix them, |
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> |
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> CFS --> upstream official CPU scheduler (also supports cgroups, that |
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> got used in the 200line patch, which is useless imo) |
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> CFQ --> upstream official I/O (disk) scheduler (afaik the only one |
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> that supports "ionice") |
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> |
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|
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CFQ also supports cgroup related I/O scheduling. Enable option |
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CFQ_GROUP_IOSCHED. |