Re: [LTP] [YEAR END ANALYSIS] Where we stand ??

[Li Z. <li...@cn...>]

Subrata Modak wrote:
> On Wed, 2009-01-07 at 09:53 +0800, Li Zefan wrote:
>> Subrata Modak wrote:
>>> Not sure whether everybody is back from vacation. But, this data is very
>>> important for the project. Hope you will help me provide some inputs.
>>> Some of you has already given me. Thanks for that.
>>>
>> A thought:
>>
>> We have many bug reports in LKML and the bugzilla, and some of them
>> provided programs or steps to reproduce bugs. It is of benefit if
>> we can make test programs and merge them into LTP based on those
>> provided by bug reporters. Those test cases help to test corner
>> cases.
>>
>> There is an excellent program to reliably reproduce a bug in direct-io,
>> and the bug still remains to be resovled. Andrea Arcangeli <aar...@re...>
>> sugguested it is probably worth adding to LTP, and so do I. :)
>>
>> The bug report and discussion can be found here:
>> http://marc.info/?l=linux-mm&m=122668235304637&w=2
>>
>> And the test program is attached. We have to ask Tim LaBerge <tim...@qu...>
>> if we can use it in LTP.
> 
> Yes, Definitely. I will write a patch to make it LTP specific and you
> can review that before integrating.
> 

You can write the test script based on the below one:

#! /bin/sh

# generate test files
./dma_thread

# test different alignments: 512, 1024, ..., (4096-512)
for ((i = 512; i < 4096; i += 512))
{
	./dma_thread -a $i
	if [ $? -ne 0]; then
		echo "Test Failed !!"
		exit 1
	fi
}