devstack/lib/dstat
Sean Dague e263c82e48 add shebang lines to all lib files
With gerrit 2.8, and the new change screen, this will trigger syntax
highlighting in gerrit. Thus making reviewing code a lot nicer.

Change-Id: Id238748417ffab53e02d59413dba66f61e724383
2014-12-10 11:28:05 -05:00

44 lines
834 B
Bash

#!/bin/bash
#
# lib/dstat
# Functions to start and stop dstat
# Dependencies:
#
# - ``functions`` file
# ``stack.sh`` calls the entry points in this order:
#
# - start_dstat
# - stop_dstat
# Save trace setting
XTRACE=$(set +o | grep xtrace)
set +o xtrace
# Defaults
# --------
# for DSTAT logging
DSTAT_FILE=${DSTAT_FILE:-"dstat.txt"}
# start_dstat() - Start running processes, including screen
function start_dstat {
# A better kind of sysstat, with the top process per time slice
DSTAT_OPTS="-tcmndrylpg --top-cpu-adv"
if [[ -n ${SCREEN_LOGDIR} ]]; then
screen_it dstat "cd $TOP_DIR; dstat $DSTAT_OPTS | tee $SCREEN_LOGDIR/$DSTAT_FILE"
else
screen_it dstat "dstat $DSTAT_OPTS"
fi
}
# stop_dstat() stop dstat process
function stop_dstat {
screen_stop dstat
}
# Restore xtrace
$XTRACE