Re: [LTP] OOM messages when running full ltp tests on a Hyper-V VM

[Jan Stancek <jstancek@redhat.com>]

----- Original Message -----
> From: "Cristian Valean" <cristian.valean@live.com>
> To: ltp-list@lists.sourceforge.net
> Sent: Thursday, 23 July, 2015 1:41:56 PM
> Subject: Re: [LTP] OOM messages when running full ltp tests on a Hyper-V VM
> 
> My apologies for the incomplete reply, it got sent out before all details
> went it.
> 
> To continue the initial thread:
> 
> I’m trying to run a full ltp test run on Ubuntu 14.04.2 as a Hyper-V VM.
> 
> The VM is set with 8 or 12GB and 4 vCPUs, however during the tests execution
> the syslog records over 30 call traces similar to the one below.
> 
> Haven’t tried vmware or other platforms, but I’m wondering why LTP processes
> go over the limit, or what would be a reference system resources that would
> accommodate a full run.
> 
> Otherwise, are there are params that can limitor specify the resources that
> LTP can use?
> 
> Sample call trace:
> 
> Jul 22 01:17:50 ubuntu kernel: [ 5757.011711] Out of memory: Kill process
> 5902 (oom01) score 937 or sacrifice child
> 
> Jul 22 01:17:50 ubuntu kernel: [ 5757.014099] Killed process 5902 (oom01)
> total-vm:15759784kB, anon-rss:7723620kB, file-rss:40kB

oom0* testcases are designed to trigger OOM and verify that expected process
has been killed. These tests go over limit on purpose.

Regards,
Jan


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