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Diffstat (limited to 'pcu-mincore.1.txt')
| -rw-r--r-- | pcu-mincore.1.txt | 77 |
1 files changed, 43 insertions, 34 deletions
diff --git a/pcu-mincore.1.txt b/pcu-mincore.1.txt index d2334e5..db4f071 100644 --- a/pcu-mincore.1.txt +++ b/pcu-mincore.1.txt @@ -1,34 +1,43 @@ -NAME - pcu-mincore - shows cache status for given files -SYNOPSIS - pcu-mincore [-o offset] [-l length] FILE... -DESCRIPTION - A command-line interface to the mincore(2) syscall to inspect - whether or not certain pages belonging to a file are cached in - resident memory. -OPTIONS - -o offset - - Scan only pages on or after the given offset. - This offset is rounded down to the previous page offset. - The default offset is zero (beginning of the file) - - -l length - - Check only the given length in bytes. - This length is rounded up next page offset. - The default is to scan the entire file. -OUTPUT - One line for every page scanned in the following format: - - <filename>: <offset> <incore> - - offset is a hexadecimal number for a given range of PAGE_SIZE bytes. - incore is a boolean value indicating whether or not the page beginning - at a particular offset is cached in resident memory or not. -SEE ALSO - mincore(2) -BUGS - None known. Email the author if you find any. -AUTHOR - Eric Wong <normalperson@yhbt.net> +% PCU-MINCORE(1) Page Cache Utilities Manual +% Eric Wong <normalperson@yhbt.net> +% July 26, 2009 + +# NAME +pcu-mincore - shows cache status for given files + +# SYNOPSIS +pcu-mincore [-o OFFSET] [-l LENGTH] FILE... + +# DESCRIPTION +A command-line interface to the mincore(2) syscall to inspect +whether or not certain pages belonging to a file are cached in +resident memory. + +# OPTIONS +-o OFFSET +: Scan only pages on or after the given offset. + This offset is rounded down to the previous page offset. + The default offset is zero (beginning of the file) + +-l LENGTH +: Check only the given length in bytes. + This length is rounded up next page offset. + The default is to scan the entire file. + +# OUTPUT +One line for every page scanned in the following format: + + \<filename\>: \<offset\> \<incore\> + +offset is a hexadecimal number for a given range of PAGE_SIZE bytes. +incore is a boolean value indicating whether or not the page beginning +at a particular offset is cached in resident memory or not. + +# ENVIRONMENT +none + +# SEE ALSO +[`mincore`(2)](http://linux.die.net/man/2/mincore) + +# BUGS +None known. Email <pcu@librelist.com> if you find any. |