Thanks Emeric....:-)

On Fri, Jan 18, 2013 at 4:15 AM, Emeric VIGIER <emeric.vig...@gmail.com>wrote:

> Manjeet,
>
> That's interesting... I am not quite sure 'free' and 'proc/mem/info'
> include any sensitive information for your company.
> If you stored your last sales figures in those files, believe me, it is a
> wrong wrong idea...
> Also it is probably against your company policy to expose your problems on
> this mail thread. Did you think about it?
>
> Anyway, since you don't want a specific answer, you'll get a generic one.
> Have a look to the excellent site:
> http://www.linuxatemyram.com/
> including the experiments:
> http://www.linuxatemyram.com/play.html
>
> Emeric
>
>
>
> On Thu, Jan 17, 2013 at 8:59 AM, Manjeet Pawar <mpchapmanj...@gmail.com>wrote:
>
>> @Emric...I would have do that , but I am sorry I can't do
>> anything against of company policy...
>>
>> But u can do @ ur side...
>> Write a simple program and do malloc and memset in while(1) , it will
>> give u OOM (if u have enabled it or if u have applied OOM patch)...
>>
>> then you can checkout all the information printed by OOM..and I have
>> tried more than 2-3 applications, but couldn't calculate the exact memory
>> usage .
>>
>> Initially I got this problem when I was using browser, when I try to open
>> the link , I got OOM...then I tried to calculate amount to free memory and
>> used memory , I found that a large chunk of memory (200MB approx) was used
>> by some other processes. then i tried with other small programs and get OOM
>> for them, but thing is for every  program there is always some memory
>> confusion(who used extras memory)....
>>
>> yeah I do cat /proc/meminfo also....when I do malloc and memset , in
>> meminfo I found that inactive pages has grown up, in meminfo I can
>> mainupulate memory calculations easily and i got correct results...
>>
>> But in case of running browser on my target board I am needing to know
>> where is rest of memory going when it is required by my browser.
>>
>> Thanks
>>
>>
>> On Thu, Jan 17, 2013 at 4:15 AM, Emeric VIGIER 
>> <emeric.vig...@gmail.com>wrote:
>>
>>> Can you make a print of what returns "free" command and
>>> /process/meminfo? It would help us target our answer to your specific
>>> example.
>>>
>>> Emeric
>>> Le 17 janv. 2013 04:10, "Manjeet Pawar" <mpchapmanj...@gmail.com> a
>>> écrit :
>>>
>>>>  Hi all,
>>>>
>>>> I have a issue regarding memory .
>>>>
>>>> I ran a program on my board that continuously do malloc and write some
>>>> data at that memory location and put this code in while loop. it ran for
>>>> some
>>>> time untill it consume the whole of the memory and then given a OOM.
>>>> where we get information about the memory consumed and free memory.
>>>>
>>>> But when i adds up the userspace memory and kernel memory which gives
>>>> total used memory and I know the total free memory available(cat
>>>> /proc/meminfo)...But I get the free memory available much lesse than the
>>>> expected value.
>>>>
>>>> I am confused where is the rest of memory .
>>>>
>>>> I adds user space memory=active anon+ inactive anon+ active file +
>>>> inactive file
>>>>
>>>> and kernel memory usage is =slab reclaimable and slab unreclaimable +
>>>> kernel stack+page tables
>>>>
>>>> this give the total memory used. But when I subtract this total used
>>>> memory from the total available memory , a large chunk should be free, but
>>>> practically after getting OOM I am leaving with a small memory
>>>>
>>>> ANY IDEA, who consumed the rest of the memory.
>>>>
>>>> Regards
>>>> Manjeet
>>>>
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