xref: /linux/tools/testing/selftests/bpf/benchs/run_bench_ringbufs.sh (revision 34069d12e239ae8f36dd96c378e4622fb1c42a76)
1#!/bin/bash
2
3source ./benchs/run_common.sh
4
5set -eufo pipefail
6
7RUN_RB_BENCH="$RUN_BENCH -c1"
8
9header "Single-producer, parallel producer"
10for b in rb-libbpf rb-custom pb-libbpf pb-custom; do
11	summarize $b "$($RUN_RB_BENCH $b)"
12done
13
14header "Single-producer, parallel producer, sampled notification"
15for b in rb-libbpf rb-custom pb-libbpf pb-custom; do
16	summarize $b "$($RUN_RB_BENCH --rb-sampled $b)"
17done
18
19header "Single-producer, back-to-back mode"
20for b in rb-libbpf rb-custom pb-libbpf pb-custom; do
21	summarize $b "$($RUN_RB_BENCH --rb-b2b $b)"
22	summarize $b-sampled "$($RUN_RB_BENCH --rb-sampled --rb-b2b $b)"
23done
24
25header "Ringbuf back-to-back, effect of sample rate"
26for b in 1 5 10 25 50 100 250 500 1000 2000 3000; do
27	summarize "rb-sampled-$b" "$($RUN_RB_BENCH --rb-b2b --rb-batch-cnt $b --rb-sampled --rb-sample-rate $b rb-custom)"
28done
29header "Perfbuf back-to-back, effect of sample rate"
30for b in 1 5 10 25 50 100 250 500 1000 2000 3000; do
31	summarize "pb-sampled-$b" "$($RUN_RB_BENCH --rb-b2b --rb-batch-cnt $b --rb-sampled --rb-sample-rate $b pb-custom)"
32done
33
34header "Ringbuf back-to-back, reserve+commit vs output"
35summarize "reserve" "$($RUN_RB_BENCH --rb-b2b                 rb-custom)"
36summarize "output"  "$($RUN_RB_BENCH --rb-b2b --rb-use-output rb-custom)"
37
38header "Ringbuf sampled, reserve+commit vs output"
39summarize "reserve-sampled" "$($RUN_RB_BENCH --rb-sampled                 rb-custom)"
40summarize "output-sampled"  "$($RUN_RB_BENCH --rb-sampled --rb-use-output rb-custom)"
41
42header "Single-producer, consumer/producer competing on the same CPU, low batch count"
43for b in rb-libbpf rb-custom pb-libbpf pb-custom; do
44	summarize $b "$($RUN_RB_BENCH --rb-batch-cnt 1 --rb-sample-rate 1 --prod-affinity 0 --cons-affinity 0 $b)"
45done
46
47header "Ringbuf, multi-producer contention"
48for b in 1 2 3 4 8 12 16 20 24 28 32 36 40 44 48 52; do
49	summarize "rb-libbpf nr_prod $b" "$($RUN_RB_BENCH -p$b --rb-batch-cnt 50 rb-libbpf)"
50done
51
52