Linked by cloud on Sat 27th Oct 2012 01:05 UTC
Linux A new version of the real-time Linux scheduler called SCHED_DEADLINE has been released on the Linux Kernel Mailing List. For people who missed previous submissions, it consists of a new deadline-based CPU scheduler for the Linux kernel with bandwidth isolation (resource reservation) capabilities. It supports global/clustered multiprocessor scheduling through dynamic task migrations. This new version takes into account previous comments/suggestions and is aligned to the latest mainline kernel. A video about SCHED_DEADLINE is also available on YouTube.
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RE[3]: lie-nux at it again.
by Gullible Jones on Sat 27th Oct 2012 17:44 UTC in reply to "RE[2]: lie-nux at it again."
Gullible Jones
Member since:
2006-05-23

You're right, my mistake. For the Bad Things to happen, bs has to be set to something between physical RAM and total (physical + virtual) memory.

That said, I have never seen large writes fail to produce a noticeable slowdown. Not on an HDD anyway, I'm not sure about SSDs. I suspect that slowdowns during big writes are unavoidable on normal-spec desktops.

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