[mythtv] ringbuffer.cpp

Warpme warpme at o2.pl
Fri Feb 14 16:11:03 UTC 2014

On 14/02/14 16:09, Jonas Arndt wrote:
> After JY's clarifications and Henk pointing to the kernel I also get 
> the feeling that this problem is related to some unforeseen issue with 
> buffers that are not flushed when we expect them to. If it is the 
> kernel (file system module) or some internal harddrive magic that is 
> not flushing I don't know. Of course this is pure speculation. 

Hmm maybe launch:

watch -n1 grep -A 1 dirty /proc/vmstat

and observe numbers?
As pages are written, the size of the "Dirty" section should increase. 
Once writes to disk have begun by pdflusher, we should see the 
"Writeback" figure go up until the write is finished.

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