Messages in this thread | | | Date | Mon, 11 May 2015 13:38:33 +0200 | From | Karel Zak <> | Subject | Re: what's cooking in zram for 4.1 |
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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@redhat.com> http://karelzak.blogspot.com
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