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-rwxr-xr-x | extras/collect-system-stats.sh | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/extras/collect-system-stats.sh b/extras/collect-system-stats.sh new file mode 100755 index 00000000000..865e70bbc11 --- /dev/null +++ b/extras/collect-system-stats.sh @@ -0,0 +1,52 @@ +#!/bin/bash +################################################################################ +# Usage: collect-system-stats.sh <delay-in-seconds> +# This script starts sar/top/iostat/vmstat processes which collect system stats +# with the interval <delay-in-seconds> given as argument to the script. When +# the script is stopped either by entering any input or Ctrl+C the list of +# files where output is captured will be printed on the screen which can be +# observed to find any problems/bottlenecks. +############################################################################### + +function stop_processes { + echo "Stopping the monitoring processes" + echo "sar pid:$sar_pid", "top pid: $top_pid", "iostat pid: $iostat_pid", "vmstat pid: $vmstat_pid" + kill "$sar_pid" "$top_pid" "$iostat_pid" "$vmstat_pid" + echo "Files created: ${timestamp}-network.out, ${timestamp}-top.out, ${timestamp}-iostat.out, ${timestamp}-vmstat.out" +} + +function check_dependent_commands_exist() +{ + declare -a arr=("sar" "top" "iostat" "vmstat") + for i in "${arr[@]}" + do + if ! command -v "$i" > /dev/null 2>&1 + then + echo "ERROR: '$i' command is not found" + exit 1 + fi + done + +} + +case "$1" in + ''|*[!0-9]*) echo "Usage: $0 <delay-between-successive-metrics-collection-in-seconds>"; exit 1 ;; + *) interval="$1" ;; +esac + +timestamp=$(date +"%s") + +check_dependent_commands_exist +sar -n DEV "$interval" > "${timestamp}"-network.out & +sar_pid="$!" +top -bHd "$interval" > "${timestamp}"-top.out & +top_pid="$!" +iostat -Ntkdx "$interval" > "${timestamp}"-iostat.out & +iostat_pid="$!" +vmstat -t "$interval" > "${timestamp}"-vmstat.out & +vmstat_pid="$!" +echo "Started sar, vmstat, iostat, top for collecting stats" + + +trap stop_processes EXIT +read -r -p "Press anything and ENTER to exit"; |