Re: [LTP] ksm03

Wanlong Gao
2012-04-02T08:33:48Z

On 04/02/2012 03:34 PM, Caspar Zhang wrote:

> 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

I'm sure that I turned off ksm and ksmtuned.

> 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.

OK, thanks,

Wanlong Gao

>
> 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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