devstack/lib/dstat
Dean Troyer dde41d0797 Deprecate SCREEN_LOGDIR in favor of LOGDIR
This is the first step in the log file cleanup.  If SCREEN_LOGDIR
is still set, symlinks will be created in the old screen log directory
so things like the devstack-gate log collector continues to work.

bp:logging-and-service-names
Change-Id: I3ac796e322a18dbd0b8b2310a08310ca159d7613
2015-01-20 16:08:22 -06:00

48 lines
1002 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.log"}
# 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 --top-io-adv"
if [[ -n ${LOGDIR} ]]; then
screen_it dstat "cd $TOP_DIR; dstat $DSTAT_OPTS | tee $LOGDIR/$DSTAT_FILE"
if [[ -n ${SCREEN_LOGDIR} ]]; then
# Drop the backward-compat symlink
ln -sf $LOGDIR/$DSTAT_FILE ${SCREEN_LOGDIR}/$DSTAT_FILE
fi
else
screen_it dstat "dstat $DSTAT_OPTS"
fi
}
# stop_dstat() stop dstat process
function stop_dstat {
screen_stop dstat
}
# Restore xtrace
$XTRACE