diff options
Diffstat (limited to 'tools/testing/selftests/bpf/bench.c')
| -rw-r--r-- | tools/testing/selftests/bpf/bench.c | 60 |
1 files changed, 55 insertions, 5 deletions
diff --git a/tools/testing/selftests/bpf/bench.c b/tools/testing/selftests/bpf/bench.c index 6ea15b93a2f8..cc4722f693e9 100644 --- a/tools/testing/selftests/bpf/bench.c +++ b/tools/testing/selftests/bpf/bench.c @@ -51,6 +51,35 @@ void setup_libbpf() fprintf(stderr, "failed to increase RLIMIT_MEMLOCK: %d", err); } +void false_hits_report_progress(int iter, struct bench_res *res, long delta_ns) +{ + long total = res->false_hits + res->hits + res->drops; + + printf("Iter %3d (%7.3lfus): ", + iter, (delta_ns - 1000000000) / 1000.0); + + printf("%ld false hits of %ld total operations. Percentage = %2.2f %%\n", + res->false_hits, total, ((float)res->false_hits / total) * 100); +} + +void false_hits_report_final(struct bench_res res[], int res_cnt) +{ + long total_hits = 0, total_drops = 0, total_false_hits = 0, total_ops = 0; + int i; + + for (i = 0; i < res_cnt; i++) { + total_hits += res[i].hits; + total_false_hits += res[i].false_hits; + total_drops += res[i].drops; + } + total_ops = total_hits + total_false_hits + total_drops; + + printf("Summary: %ld false hits of %ld total operations. ", + total_false_hits, total_ops); + printf("Percentage = %2.2f %%\n", + ((float)total_false_hits / total_ops) * 100); +} + void hits_drops_report_progress(int iter, struct bench_res *res, long delta_ns) { double hits_per_sec, drops_per_sec; @@ -63,20 +92,22 @@ void hits_drops_report_progress(int iter, struct bench_res *res, long delta_ns) printf("Iter %3d (%7.3lfus): ", iter, (delta_ns - 1000000000) / 1000.0); - printf("hits %8.3lfM/s (%7.3lfM/prod), drops %8.3lfM/s\n", - hits_per_sec, hits_per_prod, drops_per_sec); + printf("hits %8.3lfM/s (%7.3lfM/prod), drops %8.3lfM/s, total operations %8.3lfM/s\n", + hits_per_sec, hits_per_prod, drops_per_sec, hits_per_sec + drops_per_sec); } void hits_drops_report_final(struct bench_res res[], int res_cnt) { int i; - double hits_mean = 0.0, drops_mean = 0.0; - double hits_stddev = 0.0, drops_stddev = 0.0; + double hits_mean = 0.0, drops_mean = 0.0, total_ops_mean = 0.0; + double hits_stddev = 0.0, drops_stddev = 0.0, total_ops_stddev = 0.0; + double total_ops; for (i = 0; i < res_cnt; i++) { hits_mean += res[i].hits / 1000000.0 / (0.0 + res_cnt); drops_mean += res[i].drops / 1000000.0 / (0.0 + res_cnt); } + total_ops_mean = hits_mean + drops_mean; if (res_cnt > 1) { for (i = 0; i < res_cnt; i++) { @@ -86,14 +117,21 @@ void hits_drops_report_final(struct bench_res res[], int res_cnt) drops_stddev += (drops_mean - res[i].drops / 1000000.0) * (drops_mean - res[i].drops / 1000000.0) / (res_cnt - 1.0); + total_ops = res[i].hits + res[i].drops; + total_ops_stddev += (total_ops_mean - total_ops / 1000000.0) * + (total_ops_mean - total_ops / 1000000.0) / + (res_cnt - 1.0); } hits_stddev = sqrt(hits_stddev); drops_stddev = sqrt(drops_stddev); + total_ops_stddev = sqrt(total_ops_stddev); } printf("Summary: hits %8.3lf \u00B1 %5.3lfM/s (%7.3lfM/prod), ", hits_mean, hits_stddev, hits_mean / env.producer_cnt); - printf("drops %8.3lf \u00B1 %5.3lfM/s\n", + printf("drops %8.3lf \u00B1 %5.3lfM/s, ", drops_mean, drops_stddev); + printf("total operations %8.3lf \u00B1 %5.3lfM/s\n", + total_ops_mean, total_ops_stddev); } const char *argp_program_version = "benchmark"; @@ -132,9 +170,11 @@ static const struct argp_option opts[] = { }; extern struct argp bench_ringbufs_argp; +extern struct argp bench_bloom_map_argp; static const struct argp_child bench_parsers[] = { { &bench_ringbufs_argp, 0, "Ring buffers benchmark", 0 }, + { &bench_bloom_map_argp, 0, "Bloom filter map benchmark", 0 }, {}, }; @@ -323,6 +363,11 @@ extern const struct bench bench_rb_libbpf; extern const struct bench bench_rb_custom; extern const struct bench bench_pb_libbpf; extern const struct bench bench_pb_custom; +extern const struct bench bench_bloom_lookup; +extern const struct bench bench_bloom_update; +extern const struct bench bench_bloom_false_positive; +extern const struct bench bench_hashmap_without_bloom; +extern const struct bench bench_hashmap_with_bloom; static const struct bench *benchs[] = { &bench_count_global, @@ -344,6 +389,11 @@ static const struct bench *benchs[] = { &bench_rb_custom, &bench_pb_libbpf, &bench_pb_custom, + &bench_bloom_lookup, + &bench_bloom_update, + &bench_bloom_false_positive, + &bench_hashmap_without_bloom, + &bench_hashmap_with_bloom, }; static void setup_benchmark() |