Re: [LTP] [PATCH] numa/numa01.sh: fixed errors under noncontinuous numa nodes list

Wanlong Gao
2013-01-14T02:08:12Z

On 01/14/2013 09:55 AM, Zhouping Liu wrote:
>
>
> ----- Original Message -----
>> From: "Wanlong Gao" <gaowanlong@cn.fujitsu.com>
>> To: "Zhouping Liu" <zliu@redhat.com>
>> Cc: "LTP List" <ltp-list@lists.sourceforge.net>
>> Sent: Monday, January 14, 2013 9:25:56 AM
>> Subject: Re: [LTP] [PATCH] numa/numa01.sh: fixed errors under noncontinuous numa nodes list
>>
>> On 01/09/2013 07:58 PM, Zhouping Liu wrote:
>>>
>>> - col=2 #column represents node0
>>> in numastat o/p
>>> - numnodes=$(ls /sys/devices/system/node | grep -Ec
>>> "node[0-9]*")
>>> - Preferred_node=$[$[$numnodes/2]-1]
>>> - col=$[$Preferred_node+2]
>>> + if [ $COUNTER -eq $total_nodes ]; then
>>> + Preferred_node=`echo $nodes_list | cut -d ' ' -f 1`
>>
>> On my non-numa system, it shows that
>> $ numactl --show | grep nodebind | cut -d ':' -f 2
>> 0
>> $ numactl --show | grep nodebind | cut -d ':' -f 2 | cut -d ' ' -f 1
>>
>> Then the $Preferred_node is nothing. Right?
>
> Hi Wanlong,
>
> The command's result executing between inside terminate and file script is different.
> here `echo` command eat the first blank space ' '
>
> please try the following in non-numa:
> $ nodes_list=`numactl --show | grep nodebind | cut -d ':' -f 2`
> $ echo $nodes_list | cut -d ' ' -f 1
> 0

Ok, I see, thank you.

Acked-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>

>
>>
>> Thanks,
>> Wanlong Gao