On Sat, May 09, 2015 at 01:21:48PM +0900, Sergey Senozhatsky wrote:
> There will be some user-space visible changes in zram 4.1 we'd love to let you know
> about.
Thanks.
> 2) zram has deprecated some of the existing stat sysfs attributes. we will
> consolidate zramX device's stats in 3 files, rather than having N files (per-stat).
sysfs attributes used by zramctl(8) are:
disksize
orig_data_size
compr_data_size
comp_algorithm
max_comp_streams
mem_used_total
reset
> -- /sys/block/zram<id>/mm_stat
>
> The stat file represents device's mm statistics. It consists of a single
> line of text and contains the following stats separated by whitespace:
hmm... frankly, the reason why I love /sys and why hate /proc is
value-per-file. You do not need special parsers to read from /sys
(usually).
> orig_data_size
> compr_data_size
> mem_used_total
> mem_limit
> mem_used_max
> zero_pages
> num_migrated
Why do you need all in one file? ... to provide consistent statistics?
Karel
--
Karel Zak <kzak@xxxxxxxxxx>
http://karelzak.blogspot.com
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