Re: [RFC][PATCH 0/3] sched: skip_clock_update madness

Mike Galbraith
2015-01-05T10:49:17Z

On Mon, 2015-01-05 at 11:18 +0100, Peter Zijlstra wrote:
> Hi,
>
> So the big lockup thread got me looking at the skip_clock_update stuff again
> and here's what I came up with.
>
> It seems to build a kernel without generating lockdep splats.
>
> Mike can you see if it cures the wobblies you were seeing?

Nope, those hiccups were production IO beasts from hell staying in the
kernel for ages at a time. Watchdog being falsely credited with what is
usually dinky wakeup -> switch delta throttled it effectively forever.

-Mike