Le Thu, 11 Dec 2008 22:06:14 +0100,
Unknown <vincent-perr...@club-internet.fr> a écrit :

Hi Vincent,

> About the 100% cpu in uml, I tried to get it by playing with host 
> time (should never do that, ntp should always slide time slowly to its
> target) I set the date a few seconds in the past:

Now I'm more puzzled.  For some reason I do not understand, I got 
entirely different VSZ and RSS values on another machine:

USER     PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
user   28147  0.0  0.0    656   616 pts/6    T+   08:50   0:00 [linux]
user   28287  0.0  0.0    180   164 pts/6    T+   08:50   0:00 [linux]
user   28823  0.0  0.0    600   600 pts/6    T+   08:50   0:00 [linux]
user   28833  0.0  0.0    384   384 pts/6    T+   08:50   0:00 [linux]
user   28853  0.0  0.0   1176  1024 pts/6    T+   08:50   0:00 [linux]
user   28877  0.0  0.0    472   472 pts/6    T+   08:50   0:00 [linux]
user   28879  0.0  0.0   1204  1004 pts/6    T+   08:50   0:00 [linux]
user   28881  0.0  0.1   1600  1408 pts/6    T+   08:50   0:00 [linux]

Whereas the previous (on another machine) were:

USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
user      8515  0.0  0.0      0     0 pts/6    T+   09:11   0:00 [linux]
user      8655  0.0  0.0      0     0 pts/6    T+   09:11   0:00 [linux]
user      8889  0.0  0.0      0     0 pts/6    T+   09:11   0:00 [linux]
user      9239  0.0  0.0      0     0 pts/6    T+   09:11   0:00 [linux]
user      9255  0.0  0.0      0     0 pts/6    T+   09:11   0:00 [linux]
user      9265  0.0  0.0      0     0 pts/6    T+   09:11   0:00 [linux]
user      9285  0.0  0.0      0     0 pts/6    T+   09:11   0:00 [linux]
user      9299  0.0  0.0      0     0 pts/6    T+   09:11   0:00 [linux]

These are idle linux systems, with extremely low CPU use in each.

I was going to monitor the 0 VSZ and RSS values on the host to
determine if the UMLs were in good shape, but now I cannot do that
since it can be that UMLs are in good shape with other values.

My current questions are:

Why is there up to 8 of these [linux] processes per running UML ?

And why are the VSZ and RSS values not uniform across machines ?

Cheers,

Al

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