76 lines
2.3 KiB
Bash
76 lines
2.3 KiB
Bash
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#!/bin/bash
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set -eufo pipefail
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RUN_BENCH="sudo ./bench -w3 -d10 -a"
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function hits()
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{
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echo "$*" | sed -E "s/.*hits\s+([0-9]+\.[0-9]+ ± [0-9]+\.[0-9]+M\/s).*/\1/"
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}
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function drops()
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{
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echo "$*" | sed -E "s/.*drops\s+([0-9]+\.[0-9]+ ± [0-9]+\.[0-9]+M\/s).*/\1/"
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}
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function header()
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{
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local len=${#1}
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printf "\n%s\n" "$1"
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for i in $(seq 1 $len); do printf '='; done
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printf '\n'
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}
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function summarize()
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{
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bench="$1"
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summary=$(echo $2 | tail -n1)
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printf "%-20s %s (drops %s)\n" "$bench" "$(hits $summary)" "$(drops $summary)"
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}
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header "Single-producer, parallel producer"
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for b in rb-libbpf rb-custom pb-libbpf pb-custom; do
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summarize $b "$($RUN_BENCH $b)"
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done
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header "Single-producer, parallel producer, sampled notification"
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for b in rb-libbpf rb-custom pb-libbpf pb-custom; do
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summarize $b "$($RUN_BENCH --rb-sampled $b)"
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done
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header "Single-producer, back-to-back mode"
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for b in rb-libbpf rb-custom pb-libbpf pb-custom; do
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summarize $b "$($RUN_BENCH --rb-b2b $b)"
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summarize $b-sampled "$($RUN_BENCH --rb-sampled --rb-b2b $b)"
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done
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header "Ringbuf back-to-back, effect of sample rate"
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for b in 1 5 10 25 50 100 250 500 1000 2000 3000; do
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summarize "rb-sampled-$b" "$($RUN_BENCH --rb-b2b --rb-batch-cnt $b --rb-sampled --rb-sample-rate $b rb-custom)"
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done
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header "Perfbuf back-to-back, effect of sample rate"
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for b in 1 5 10 25 50 100 250 500 1000 2000 3000; do
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summarize "pb-sampled-$b" "$($RUN_BENCH --rb-b2b --rb-batch-cnt $b --rb-sampled --rb-sample-rate $b pb-custom)"
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done
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header "Ringbuf back-to-back, reserve+commit vs output"
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summarize "reserve" "$($RUN_BENCH --rb-b2b rb-custom)"
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summarize "output" "$($RUN_BENCH --rb-b2b --rb-use-output rb-custom)"
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header "Ringbuf sampled, reserve+commit vs output"
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summarize "reserve-sampled" "$($RUN_BENCH --rb-sampled rb-custom)"
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summarize "output-sampled" "$($RUN_BENCH --rb-sampled --rb-use-output rb-custom)"
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header "Single-producer, consumer/producer competing on the same CPU, low batch count"
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for b in rb-libbpf rb-custom pb-libbpf pb-custom; do
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summarize $b "$($RUN_BENCH --rb-batch-cnt 1 --rb-sample-rate 1 --prod-affinity 0 --cons-affinity 0 $b)"
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done
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header "Ringbuf, multi-producer contention"
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for b in 1 2 3 4 8 12 16 20 24 28 32 36 40 44 48 52; do
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summarize "rb-libbpf nr_prod $b" "$($RUN_BENCH -p$b --rb-batch-cnt 50 rb-libbpf)"
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done
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