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tools: add benchmark for loading sets #535

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qdeslandes merged 1 commit into from
May 13, 2026
+44 −0
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tools: add benchmark for loading sets #535

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44 changes: 44 additions & 0 deletions tools/benchmarks/main.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -207,6 +207,50 @@ BENCHMARK(single_rule__ip4_saddr__x_elem_set)
->Arg(1 << 7)
->Arg(1 << 15);

void chain_set__ip4_saddr__x_elem_set(::benchmark::State &state)
{
const std::string chain_name = "bf_benchmark";
Chain chain(chain_name, BF_HOOK_XDP, BF_VERDICT_ACCEPT);

Set s = Set({BF_MATCHER_IP4_SADDR});
uint32_t nelems = state.range(0);
for (uint32_t i = 0; i < nelems; ++i)
s << uint32ToIp4(i);
chain << s;
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chain << Rule(BF_VERDICT_DROP, std::nullopt, 0,
std::vector<Matcher> {
Matcher(BF_MATCHER_SET, BF_MATCHER_IN, {0, 0, 0, 0}),
});

auto chainp = chain.get();

for (auto _: state) {
int ret = bf_chain_set(chainp.get(), nullptr);
if (ret < 0) {
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state.SkipWithError("failed to load chain");
break;
}

state.PauseTiming();
ret = bf_chain_flush(chain_name.c_str());
if (ret < 0) {
state.SkipWithError("failed to flush chain");
break;
}
state.ResumeTiming();
}

state.SetLabel(
std::format("load chain, ip4.saddr, {} elements set", nelems));
}

BENCHMARK(chain_set__ip4_saddr__x_elem_set)
->Arg(1 << 3)
->Arg(1 << 16)
->Arg(1 << 20)
->Unit(::benchmark::kMillisecond);

void single_rule__ip4_saddr_c(::benchmark::State &state)
{
Chain chain("bf_benchmark", BF_HOOK_XDP, BF_VERDICT_ACCEPT);
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