Re: Ktimer / -rt9 (+custom) monotonic_clock going backwards.

[Steven Rostedt]

On Wed, 19 Oct 2005, Ingo Molnar wrote:

>
> should be monotone - the latest -rt kernels include a debugging check
> for the monotonicity of do_get_ktime_mono().
>

Hi Ingo,

Hmm, I think this will help in that debugging check :-)

-- Steve

Index: linux-2.6.14-rc4-rt12/kernel/ktimers.c
===================================================================
--- linux-2.6.14-rc4-rt12.orig/kernel/ktimers.c	2005-10-20 02:15:17.000000000 -0400
+++ linux-2.6.14-rc4-rt12/kernel/ktimers.c	2005-10-20 02:33:38.000000000 -0400
@@ -971,7 +971,7 @@
 		}
 		return prev;
 	}
-
+	per_cpu(prev_mono_time, cpu) = now;
 	return now;
 }

-
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