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[Bug testsuite/5014] pmap_agg_overflow testcase fails.
- From: "joshua dot i dot stone at intel dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 10 Sep 2007 17:08:00 -0000
- Subject: [Bug testsuite/5014] pmap_agg_overflow testcase fails.
- References: <20070910092840.5014.srinivasa@in.ibm.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- 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.
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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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