Re: Fw: Memory acquisition problem with yavta and media control.

Re: Fw: Memory acquisition problem with yavta and media control.

[Laurent Pinchart]

Hi Nilesh,

On Saturday 31 August 2013 10:07:14 purchase@utopiacontrol.com wrote:
> //=================================
> linux-media@vger.kernel.org
> laurent.pinchart@ideasonboard.com
> //=================================
> 
> Hi laurent pinchart,

Just Laurent will do :-)

> You have done a great work for snapshot mode image sensor driver for linux.
> I am using your media control tool with yavta test application for
> interfacing the mt9v032 image sensor with Gumstix Overo Water Com board. I
> have successfully tested the snapshot mode with this combination. But the
> problem is that, when I attempt to grab lots of images (thousands) of images
> by this test application yavta. I found that the free memory goes increasing
> by some amount which will not get free. Afterwards I have calculate the
> amount of ram acquires on every snap is about 0.618 KB (after averaging
> 100000 frames). Will you please Give me any reason why this is happening
> with this test application? And how can I get overcome on this problem.

That's definitely not expected and should be debugged. First of all, is the 
memory released when you stop yavta ? If it isn't then we have a kernel bug, 
if it is the bug could be either on the kernel side or the application side.

-- 
Regards,

Laurent Pinchart