tabular_test: add a missing DoNotOptimize call

Signed-off-by: Sam James <sam@gentoo.org>
google · Feb 13, 2024 · 17f2f35 · 17f2f35
1 parent b1bec2f
commit 17f2f35
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/test/user_counters_tabular_test.cc b/test/user_counters_tabular_test.cc
@@ -63,6 +63,9 @@ ADD_CASES(TC_CSVOut, {{"%csv_header,"
 
 void BM_Counters_Tabular(benchmark::State& state) {
   for (auto _ : state) {
+    // This test requires a non-zero CPU time to avoid divide-by-zero
+    auto iterations = state.iterations();
+    benchmark::DoNotOptimize(iterations);
   }
   namespace bm = benchmark;
   state.counters.insert({