cachestats(1)
print cache statistics for a file
Description
CACHESTATS
NAME
cachestats - print cache statistics for a file
SYNOPSIS
cachestats [-qv] file
DESCRIPTION
Print number of cached vs. not-cached pages.
OPTIONS
-v "Verbose mode"
Print verbose cache map, where each page that is present in the cache is marked with ‘x‘.
-q "Quiet mode"
The exit status is 0 (success) if the file is fully cached.
EXAMPLE
$ cachestats -v
˜/somefile.mp3
pages in cache: 85/114 (74.6%) [filesize=453.5K,
pagesize=4K]
cache map:
0:
|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|
32:
|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|
64: |x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x| | | | | | | |
| | | | |
96: | | | | | | | | | | | | | | | | | |x|
SEE ALSO
Also, you can use ‘vmstat 1‘ to view cache statistics.