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Alan McKinnon wrote: |
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> On Saturday 27 December 2008 21:13:49 Nikos Chantziaras wrote: |
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>> I have this in my make.conf: |
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>> |
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>> PORTAGE_IONICE_COMMAND="ionice -c 3 -p \${PID}" |
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>> |
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>> Helped a bit. But still the GUI (KDE 3.5.10) gets pretty laggy. Just a |
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>> few hours ago I updated to gcc-4.3.2-r1. Even with nice 19 and ionice |
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>> 3, lag is there. |
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>> |
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>> I hope someone finds the magic button in the kernel config to fix that :P |
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> |
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> There isn't one - at least not one that really works. |
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> |
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> Linux mostly ignores NICE and has done so since day one. The reason according |
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> to Linux himself on some LKML post quite a while back is that Linux has a |
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> semi-decent task scheduler and nice is a 100% manual task scheduler. |
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It got worse with kernel 2.6.28, btw, especially mouse cursor movement. |
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It gets stuck and skips very noticeably. Fortunately, it's not a |
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point yet where I would describe it as unusable, but if the trend |
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continues, desktop will be totally unusable by 2.6.31/32 when doing |
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something that produces load. |
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