56 lines
1.1 KiB
Bash
56 lines
1.1 KiB
Bash
set -e
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case "$OSTYPE" in
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"darwin"*)
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echo "macOS is not supported"
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exit 1
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;;
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esac
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cd "$(dirname "$0")"
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TARGET_PID=$$ # PID of benchmark.sh
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RUN_NUM=100
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PAGER_CMD="man ascii"
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clean() {
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if [ ! -z $SCREEN_PID ]; then
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kill $SCREEN_PID
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fi
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}
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trap clean 0 1 2 3 6 15
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run_benchmark() {
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echo Running: \"$@\"
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TOTAL=0
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i=1
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while [ "$i" -le $RUN_NUM ]; do
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START=$(date +%s.%N)
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eval "$@" >/dev/null
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END=$(date +%s.%N)
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TOTAL=$(echo "$TOTAL + $END - $START" | bc -l)
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echo -n "\r$(( $i * 100 / $RUN_NUM ))%"
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i=$((i + 1))
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done
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echo -e "\rAverage per execution (seconds): $(echo "scale=5; $TOTAL / $RUN_NUM" | bc -l | sed 's/^\./0./')"
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echo
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}
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echo Execution count: $RUN_NUM
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echo Pager command: \"$PAGER_CMD\"
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screen -Dm $PAGER_CMD &
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SCREEN_PID=$!
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sleep 1 # give processes time to start
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echo Process tree:
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pstree -g $TARGET_PID
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echo
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run_benchmark "pstree $TARGET_PID | grep 'man\|less\|pager'"
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run_benchmark "./pscheck.sh $TARGET_PID 'man' 'less' 'pager'"
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run_benchmark "./pscheck $TARGET_PID 'man' 'less' 'pager'"
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kill $SCREEN_PID
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SCREEN_PID=
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