| #!/bin/bash |
| # |
| # oe-time-dd-test records how much time it takes to |
| # write <count> number of kilobytes to the filesystem. |
| # It also records the number of processes that are in |
| # running (R), uninterruptible sleep (D) and interruptible |
| # sleep (S) state from the output of "top" command. |
| # The purporse of this script is to find which part of |
| # the build system puts stress on the filesystem io and |
| # log all the processes. |
| usage() { |
| echo "$0 is used to detect i/o latency and runs commands to display host information." |
| echo "The following commands are run in order:" |
| echo "1) top -c -b -n1 -w 512" |
| echo "2) iostat -y -z -x 5 1" |
| echo "3) tail -30 tmp*/log/cooker/*/console-latest.log to gather cooker log." |
| echo " " |
| echo "Options:" |
| echo "-c | --count <amount> dd (transfer) <amount> KiB of data within specified timeout to detect latency." |
| echo " Must enable -t option." |
| echo "-t | --timeout <time> timeout in seconds for the <count> amount of data to be transferred." |
| echo "-l | --log-only run the commands without performing the data transfer." |
| echo "-h | --help show help" |
| |
| } |
| |
| run_cmds() { |
| echo "start: top output" |
| top -c -b -n1 -w 512 |
| echo "end: top output" |
| echo "start: iostat" |
| iostat -y -z -x 5 1 |
| echo "end: iostat" |
| echo "start: cooker log" |
| tail -30 tmp*/log/cooker/*/console-latest.log |
| echo "end: cooker log" |
| } |
| |
| if [ $# -lt 1 ]; then |
| usage |
| exit 1 |
| fi |
| |
| re_c='^[0-9]+$' |
| #re_t='^[0-9]+([.][0-9]+)?$' |
| |
| while [[ $# -gt 0 ]]; do |
| key="$1" |
| |
| case $key in |
| -c|--count) |
| COUNT=$2 |
| shift |
| shift |
| if ! [[ $COUNT =~ $re_c ]] || [[ $COUNT -le 0 ]] ; then |
| usage |
| exit 1 |
| fi |
| ;; |
| -t|--timeout) |
| TIMEOUT=$2 |
| shift |
| shift |
| if ! [[ $TIMEOUT =~ $re_c ]] || [[ $TIMEOUT -le 0 ]] ; then |
| usage |
| exit 1 |
| fi |
| ;; |
| -l|--log-only) |
| LOG_ONLY="true" |
| shift |
| shift |
| ;; |
| -h|--help) |
| usage |
| exit 0 |
| ;; |
| *) |
| usage |
| exit 1 |
| ;; |
| esac |
| done |
| |
| |
| if [ "$LOG_ONLY" = "true" ] ; then |
| uptime |
| run_cmds |
| exit |
| fi |
| |
| if [ -z ${TIMEOUT+x} ] || [ -z ${COUNT+x} ] ; then |
| usage |
| exit 1 |
| fi |
| |
| uptime |
| echo "Timeout used: ${TIMEOUT}" |
| timeout ${TIMEOUT} dd if=/dev/zero of=oe-time-dd-test.dat bs=1024 count=${COUNT} conv=fsync |
| if [ $? -ne 0 ]; then |
| run_cmds |
| fi |