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125 lines
4.4 KiB
125 lines
4.4 KiB
#!/bin/bash
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source ../common.sh
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# This experiment is intended to document how the level of concurrent requests influence the latency, throughput, and success/failure rate
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# Use -d flag if running under gdb
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timestamp=$(date +%s)
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experiment_directory=$(pwd)
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binary_directory=$(cd ../../bin && pwd)
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schedulers=(EDF FIFO)
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for scheduler in ${schedulers[*]}; do
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results_directory="$experiment_directory/res/$timestamp/$scheduler"
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log=log.txt
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mkdir -p "$results_directory"
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log_environment >>"$results_directory/$log"
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# Start the runtime
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if [ "$1" != "-d" ]; then
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SLEDGE_NWORKERS=5 SLEDGE_SCHEDULER=$scheduler PATH="$binary_directory:$PATH" LD_LIBRARY_PATH="$binary_directory:$LD_LIBRARY_PATH" sledgert "$experiment_directory/spec.json" >>"$results_directory/$log" 2>>"$results_directory/$log" &
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sleep 1
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else
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echo "Running under gdb"
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echo "Running under gdb" >>"$results_directory/$log"
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fi
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inputs=(40 10)
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duration_sec=15
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offset=5
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# Execute workloads long enough for runtime to learn excepted execution time
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echo -n "Running Samples: "
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for input in ${inputs[*]}; do
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hey -z ${duration_sec}s -cpus 3 -t 0 -o csv -m GET -d "$input\n" http://localhost:$((10000 + input))
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done
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echo "[DONE]"
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sleep 5
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echo "Running Experiments"
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# Run each separately
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hey -z ${duration_sec}s -cpus 4 -c 100 -t 0 -o csv -m GET -d "40\n" http://localhost:10040 >"$results_directory/fib40.csv"
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hey -z ${duration_sec}s -cpus 4 -c 100 -t 0 -o csv -m GET -d "10\n" http://localhost:10010 >"$results_directory/fib10.csv"
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# Run lower priority first, then higher priority. The lower priority has offsets to ensure it runs the entire time the high priority is trying to run
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hey -z $((duration_sec + 2 * offset))s -cpus 2 -c 100 -t 0 -o csv -m GET -d "40\n" http://localhost:10040 >"$results_directory/fib40-con.csv" &
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sleep $offset
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hey -z ${duration_sec}s -cpus 2 -c 100 -t 0 -o csv -m GET -d "10\n" http://localhost:10010 >"$results_directory/fib10-con.csv" &
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sleep $((duration_sec + offset + 15))
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# Stop the runtime if not in debug mode
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[ "$1" != "-d" ] && kill_runtime
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# Generate *.csv and *.dat results
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echo -n "Parsing Results: "
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printf "Payload,Success_Rate\n" >>"$results_directory/success.csv"
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printf "Payload,Throughput\n" >>"$results_directory/throughput.csv"
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printf "Payload,p50,p90,p99,p100\n" >>"$results_directory/latency.csv"
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deadlines_ms=(2 2 3000 3000)
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payloads=(fib10 fib10-con fib40 fib40-con)
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for ((i = 0; i < 4; i++)); do
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# for payload in ${payloads[*]}; do
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payload=${payloads[$i]}
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deadline=${deadlines_ms[$i]}
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# Get Number of Requests
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requests=$(($(wc -l <"$results_directory/$payload.csv") - 1))
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((requests == 0)) && continue
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# Calculate Success Rate for csv
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awk -F, '
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$7 == 200 && ($1 * 1000) <= '"$deadline"' {ok++}
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END{printf "'"$payload"',%3.5f%\n", (ok / (NR - 1) * 100)}
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' <"$results_directory/$payload.csv" >>"$results_directory/success.csv"
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# Filter on 200s, convery from s to ms, and sort
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awk -F, '$7 == 200 {print ($1 * 1000)}' <"$results_directory/$payload.csv" |
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sort -g >"$results_directory/$payload-response.csv"
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# Get Number of 200s
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oks=$(wc -l <"$results_directory/$payload-response.csv")
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((oks == 0)) && continue # If all errors, skip line
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# Get Latest Timestamp
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duration=$(tail -n1 "$results_directory/$payload.csv" | cut -d, -f8)
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throughput=$(echo "$oks/$duration" | bc)
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printf "%s,%f\n" "$payload" "$throughput" >>"$results_directory/throughput.csv"
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# Generate Latency Data for csv
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awk '
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BEGIN {
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sum = 0
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p50 = int('"$oks"' * 0.5)
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p90 = int('"$oks"' * 0.9)
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p99 = int('"$oks"' * 0.99)
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p100 = '"$oks"'
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printf "'"$payload"',"
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}
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NR==p50 {printf "%1.4f,", $0}
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NR==p90 {printf "%1.4f,", $0}
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NR==p99 {printf "%1.4f,", $0}
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NR==p100 {printf "%1.4f\n", $0}
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' <"$results_directory/$payload-response.csv" >>"$results_directory/latency.csv"
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# Delete scratch file used for sorting/counting
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# rm -rf "$results_directory/$payload-response.csv"
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done
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# Transform csvs to dat files for gnuplot
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for file in success latency throughput; do
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echo -n "#" >"$results_directory/$file.dat"
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tr ',' ' ' <"$results_directory/$file.csv" | column -t >>"$results_directory/$file.dat"
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done
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# Generate gnuplots. Commented out because we don't have *.gnuplots defined
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# generate_gnuplots
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# Cleanup, if requires
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echo "[DONE]"
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done
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