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authorAdin Scannell <ascannell@google.com>2020-02-19 18:20:52 -0800
committerCopybara-Service <copybara-worker@google.com>2020-02-19 18:21:54 -0800
commit30794512d3977ebb2b185e5e9cfb969d558a07a4 (patch)
tree2c0a32af1b57018d589511983c784de81d76f0b8 /test/perf/linux/sched_yield_benchmark.cc
parent2daa21e4d73f2297a8bca32c76100333e9ac4af4 (diff)
Add basic microbenchmarks.
PiperOrigin-RevId: 296104390
Diffstat (limited to 'test/perf/linux/sched_yield_benchmark.cc')
-rw-r--r--test/perf/linux/sched_yield_benchmark.cc37
1 files changed, 37 insertions, 0 deletions
diff --git a/test/perf/linux/sched_yield_benchmark.cc b/test/perf/linux/sched_yield_benchmark.cc
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index 000000000..6756b5575
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+++ b/test/perf/linux/sched_yield_benchmark.cc
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+// Copyright 2020 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <sched.h>
+
+#include "gtest/gtest.h"
+#include "benchmark/benchmark.h"
+#include "test/util/test_util.h"
+
+namespace gvisor {
+namespace testing {
+
+namespace {
+
+void BM_Sched_yield(benchmark::State& state) {
+ for (auto ignored : state) {
+ TEST_CHECK(sched_yield() == 0);
+ }
+}
+
+BENCHMARK(BM_Sched_yield)->ThreadRange(1, 2000)->UseRealTime();
+
+} // namespace
+
+} // namespace testing
+} // namespace gvisor