Re: [Bug #12208] uml is very slow on 2.6.28 host

[Mike Galbraith]

On Tue, 2008-12-16 at 16:27 +0100, Miklos Szeredi wrote:

> Is there a way to trace what is happening in the scheduler?

Sure.  Ingo has a script for gathering info (attached), if you run it,
please gzip up the output and send me a copy offline to eyeball.

There's also ftrace, but I've not tried that yet, so can't offer any
advice, I use primitive but effective time_after() + printk() with klogd
wakeup disabled (deadlock).

	-Mike

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