#!/bin/sh

PROGRAM_DIR="`dirname \"$0\"`"
. "$PROGRAM_DIR/utils.sh"
load_config_file "$PROGRAM_DIR/performance-monitor.cfg"
load_config_file /etc/performance-monitor.cfg
handle_command_line_options "$@"
[ -z "$INTERVAL" ] && INTERVAL=5
[ -z "$HOSTNAME" ] && HOSTNAME="`hostname`"

export LC_TIME=C
sar -w "$INTERVAL" | sed -ur -e "/^[0-9]{2}:[0-9]{2}:[0-9]{2}/!d" -e "s/[0-9]{2}:[0-9]{2}:[0-9]{2}.{4}//" | while read -r line; do
	set -- $line
	if [ $# != 2 ]; then
		echo "data error: # $# != 2" 1>&2
		continue
	fi
	[ "$1" = proc/s ] && continue
	http_post "${INFLUXDB_BASE_URL}write?db=$INFLUXDB_DB_NAME" \
		"procstat,host=$HOSTNAME forks=$1,contextswitches=$2"
done
