Re: [beagleboard] Memory crawler for eMMC partitions

2016-07-20 Thread Ankur Tank
I am not sure If I understood it correctly, But I assume that you are asking if we are using mmc lines for some other hardware or not, right ? mmc lines are dedicatedly used for eMMC only. But other scripts can be running in parallel to upgrade the OS in other partition to newer OS. So I was thi

Re: [beagleboard] Memory crawler for eMMC partitions

2016-07-20 Thread Robert Nelson
On Wed, Jul 20, 2016 at 9:56 AM, Ankur Tank wrote: > Thank you for reply Mr. Nelson, > > That's the simplest solution I was also thinking. > Here are my timings. > > # time cat /dev/mmcblk0 > /dev/null > real1m 52.01s > user0m 0.55s > sys 0m 21.74s > > However I think I have to take c

Re: [beagleboard] Memory crawler for eMMC partitions

2016-07-20 Thread Ankur Tank
Thank you for reply Mr. Nelson, That's the simplest solution I was also thinking. Here are my timings. # time cat /dev/mmcblk0 > /dev/null real1m 52.01s user0m 0.55s sys 0m 21.74s However I think I have to take care that not partitions are being erased/written at the time when I ru

Re: [beagleboard] Memory crawler for eMMC partitions

2016-07-20 Thread Robert Nelson
On Wed, Jul 20, 2016 at 9:23 AM, Ankur Tank wrote: > > We have BBB based custom board with 256MB RAM and 4GB eMMC running Linux > kernel 3.12 > > *TL;DR*: Is there a open source application which periodically reads > unread/rarely used partition to increase data retention? OR Is there any > kerne

[beagleboard] Memory crawler for eMMC partitions

2016-07-20 Thread Ankur Tank
We have BBB based custom board with 256MB RAM and 4GB eMMC running Linux kernel 3.12 *TL;DR*: Is there a open source application which periodically reads unread/rarely used partition to increase data retention? OR Is there any kernel service which can be configure *Detailed query,* We have 3