[Bug testsuite/5014] pmap_agg_overflow testcase fails.

joshua dot i dot stone at intel dot com sourceware-bugzilla@sourceware.org
Mon Sep 10 20:29:00 GMT 2007


------- Additional Comments From joshua dot i dot stone at intel dot com  2007-09-10 17:08 -------
(In reply to comment #0)
> Looks like "stat" array is getting overflowed on SMP(8-way) systems and thats
> the reason for failure.

The test is meant to overflow the stat array, but not until aggregation time. 
It looks like your machine is overflowing even the percpu arrays.

I think the problem is that the test assumes that scheduler_tick will hit evenly
on all cpus, but that's no longer true with tickless kernels.

-- 
           What    |Removed                     |Added
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         AssignedTo|systemtap at sources dot    |joshua dot i dot stone at
                   |redhat dot com              |intel dot com
             Status|NEW                         |ASSIGNED


http://sourceware.org/bugzilla/show_bug.cgi?id=5014

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