selftest/bpf/benchs: Add bpf_map benchmark

Browse source

Add benchmark for hash_map to reproduce the worst case
that non-stop update when map's free is zero.

Just like this:
./run_bench_bpf_hashmap_full_update.sh
Setting up benchmark 'bpf-hashmap-ful-update'...
Benchmark 'bpf-hashmap-ful-update' started.
1:hash_map_full_perf 555830 events per sec
...

Signed-off-by: Feng Zhou <zhoufeng.zf@bytedance.com>
Link: https://lore.kernel.org/r/20220610023308.93798-3-zhoufeng.zf@bytedance.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

...

This commit is contained in:

Feng Zhou 2022-06-10 10:33:08 +08:00 • committed by Alexei Starovoitov

parent 54a9c3a42d

commit 89eda98428

5 changed files with 152 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

4

tools/testing/selftests/bpf/Makefile

View file

2

tools/testing/selftests/bpf/bench.c

View file

96

tools/testing/selftests/bpf/benchs/bench_bpf_hashmap_full_update.c

View file

11

tools/testing/selftests/bpf/benchs/run_bench_bpf_hashmap_full_update.sh Executable file

View file

40

tools/testing/selftests/bpf/progs/bpf_hashmap_full_update_bench.c

View file