Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH] Add an offset in the cyc2ns computation to fix sched_clock jumps | Date | Fri, 16 Mar 2007 19:22:12 +0100 |
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On Friday 16 March 2007 19:14, Guillaume Chazarain wrote: > Hello, > > The scheduling problems I reported in the thread: > http://lkml.org/lkml/2007/3/3/128 > are caused by the set_cyc2ns_scale() function called when the CPU speed changes. > Changing the scale causes a warp in the value returned by sched_clock().
I already fixed this myself in a similar way (but didn't push it out yet)
But for .21 I ended up deciding on your revert patch, even though it will give bad performance.
-Andi
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