Re: [LTP] ksm03

Caspar Zhang
2012-04-02T07:36:08Z

On 04/02/2012 02:56 PM, Wanlong Gao wrote:
> Hi Caspar,
>
> Have you ever seen like below? It happens on ksm03,
> the page_sharing numbers is always incorrect, it
> occurs on RHEL7-Alpha, any ides?

Have you turned off ksm & ksmtuned services (I'm not sure about the
names in RHEL7 since they're systemd services now)? I didn't receive any
ksm03 failures on RHEL7 so far. I (or Zhouping) will take a look at it
when we're back from vacation.

Thanks,
Caspar

>
> Thanks,
> Wanlong Gao
>
> ---
>
> ksm03 0 TINFO : child 0 stops.
> ksm03 0 TINFO : child 1 stops.
> ksm03 0 TINFO : KSM merging...
> ksm03 0 TINFO : child 2 stops.
> ksm03 0 TINFO : wait for all children to stop.
> ksm03 0 TINFO : resume all children.
> ksm03 0 TINFO : child 0 continues...
> ksm03 0 TINFO : child 0 allocates 128 MB filled with 'c'.
> ksm03 0 TINFO : child 1 continues...
> ksm03 0 TINFO : child 1 allocates 128 MB filled with 'a'.
> ksm03 0 TINFO : child 2 continues...
> ksm03 0 TINFO : child 2 allocates 128 MB filled with 'a'.
> ksm03 0 TINFO : child 1 stops.
> ksm03 0 TINFO : child 0 stops.
> ksm03 0 TINFO : child 2 stops.
> ksm03 0 TINFO : check!
> ksm03 0 TINFO : run is 1.
> ksm03 0 TINFO : pages_shared is 2.
> ksm03 0 TINFO : pages_sharing is 95998.
> ksm03 1 TFAIL : pages_sharing is not 98302.
> ksm03 0 TINFO : pages_volatile is 0.
> ksm03 0 TINFO : pages_unshared is 0.
> ksm03 0 TINFO : sleep_millisecs is 0.
> ksm03 0 TINFO : pages_to_scan is 98304.
> ksm03 0 TINFO : wait for child 1 to stop.
> ksm03 0 TINFO : resume child 1.
> ksm03 0 TINFO : child 1 continues...
> ksm03 0 TINFO : child 1 verifies memory content.
> ksm03 0 TINFO : child 1 changes memory content to 'b'.
> ksm03 0 TINFO : child 1 stops.
> ksm03 0 TINFO : check!
> ksm03 0 TINFO : run is 1.
> ksm03 0 TINFO : pages_shared is 3.
> ksm03 0 TINFO : pages_sharing is 96528.
> ksm03 2 TFAIL : pages_sharing is not 98301.
> ksm03 0 TINFO : pages_volatile is 0.
> ksm03 0 TINFO : pages_unshared is 0.
> ksm03 0 TINFO : sleep_millisecs is 0.
> ksm03 0 TINFO : pages_to_scan is 98304.
> ksm03 0 TINFO : wait for child 1 to stop.
> ksm03 0 TINFO : resume all children.
> ksm03 0 TINFO : child 1 continues...
> ksm03 0 TINFO : child 0 continues...
> ksm03 0 TINFO : child 0 verifies memory content.
> ksm03 0 TINFO : child 1 verifies memory content.
> ksm03 0 TINFO : child 2 continues...
> ksm03 0 TINFO : child 2 changes memory content to 'd'
> ksm03 0 TINFO : child 2 stops.
> ksm03 0 TINFO : child 1 changes memory content to 'd'
> ksm03 0 TINFO : child 0 changes memory content to 'd'.
> ksm03 0 TINFO : child 0 stops.

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