02-10-2009
There are 'edit in place' features for GNU sed and for perl (perl -pie ' perl script here').
However they do use tmp files behind the scenes
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xentop(1) General Commands Manual xentop(1)
NAME
xentop - displays real-time information about a Xen system and domains
SYNOPSIS
xentop [-h] [-V] [-dSECONDS] [-n] [-r] [-v] [-b] [-iITERATIONS]
DESCRIPTION
xentop displays information about the Xen system and domains, in a continually-updating manner. Command-line options and interactive com-
mands can change the detail and format of the information displayed by xentop.
OPTIONS
-h, --help
display help and exit
-V, --version
output version information and exit
-d, --delay=SECONDS
seconds between updates (default 3)
-n, --networks
output network information
-x, --vbds
output vbd block device data
-r, --repeat-header
repeat table header before each domain
-v, --vcpus
output VCPU data
-b, --batch
output data in batch mode (to stdout)
-i, --iterations=ITERATIONS
maximum number of iterations xentop should produce before ending
INTERACTIVE COMMANDS
All interactive commands are case-insensitive.
D set delay between updates
N toggle display of network information
Q, Esc quit
R toggle table header before each domain
S cycle sort order
V toggle display of VCPU information
Arrows scroll domain display
AUTHORS
Written by Judy Fischbach, David Hendricks, and Josh Triplett
REPORTING BUGS
Report bugs to <xen-tools@lists.xensource.com>.
COPYRIGHT
Copyright (C) 2005 International Business Machines Corp
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
August 2005 xentop(1)