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Diffstat (limited to 'pcu-mincore.1.txt')
-rw-r--r-- | pcu-mincore.1.txt | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/pcu-mincore.1.txt b/pcu-mincore.1.txt new file mode 100644 index 0000000..e095621 --- /dev/null +++ b/pcu-mincore.1.txt @@ -0,0 +1,34 @@ +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), pcu(7) +BUGS + None known. Email the author if you find any. +AUTHOR + Eric Wong <normalperson@yhbt.net> |