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| author | Sergey Senozhatsky <sergey.senozhatsky@gmail.com> | 2015-04-15 16:16:06 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-15 16:35:21 -0700 |
| commit | 4f2109f60881585dc04fa0b5657a60556576625c (patch) | |
| tree | 18965ef4da50218fefe6b899b5bdb35f4edb7d5c /Documentation/blockdev | |
| parent | 2f6a3bed7347ee94fe57b3501fddaa646a26d890 (diff) | |
| download | blackbird-op-linux-4f2109f60881585dc04fa0b5657a60556576625c.tar.gz blackbird-op-linux-4f2109f60881585dc04fa0b5657a60556576625c.zip | |
zram: export new 'mm_stat' sysfs attrs
Per-device `zram<id>/mm_stat' file provides mm statistics of a particular
zram device in a format similar to block layer statistics. The file
consists of a single line and represents the following stats (separated by
whitespace):
orig_data_size
compr_data_size
mem_used_total
mem_limit
mem_used_max
zero_pages
num_migrated
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/blockdev')
| -rw-r--r-- | Documentation/blockdev/zram.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/blockdev/zram.txt b/Documentation/blockdev/zram.txt index 9610be3e9d36..7920f4026d36 100644 --- a/Documentation/blockdev/zram.txt +++ b/Documentation/blockdev/zram.txt @@ -144,6 +144,18 @@ whitespace: invalid_io notify_free +File /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: + orig_data_size + compr_data_size + mem_used_total + mem_limit + mem_used_max + zero_pages + num_migrated + 8) Deactivate: swapoff /dev/zram0 umount /dev/zram1 |
