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