filemem(1)filemem(1)NAMEfilemem - show a list of a file's pages cached in memory
SYNOPSISfilemem filename
DESCRIPTION
Filemem is a utility that can determine which pages of a file are
cached in memory. In Mach, pages of a file are cached on demand by
page faults. Pages remain in memory even after they become
unreferenced, and are released when memory becomes scarce.
Filemem provides a way to determine which parts of a file are being
used. For example, filemem can be used to help scatterload a file by
showing which parts of an executable image are in memory after a
certain operation. After determining which pages are resident in
memory, the program pagestuff(1) can be used to show the symbols
residing on that particular page of a file.
The output of filemem is a list of logical page numbers, starting from
page zero at the beginning of the file. The page size is the same as
the machine-independent page size of the system.
FILES
/dev/kmem
SEE ALSOpagestuff(1), Link Optimization developer release notes
NeXT Computer, Inc. October 5, 1990 filemem(1)