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authorChong Cai <chongc@google.com>2021-07-23 14:33:27 -0700
committergVisor bot <gvisor-bot@google.com>2021-07-23 14:35:42 -0700
commitd2479383639ab15301c4535a91cbbbeb22635a7e (patch)
treefecfead59cfc796d71d2c78ead824d381908342b /test/perf
parent3d0a9300050ad9a72d452ec862827e35e3f38dcc (diff)
Add verity open benchmark test
PiperOrigin-RevId: 386533065
Diffstat (limited to 'test/perf')
-rw-r--r--test/perf/BUILD7
-rw-r--r--test/perf/linux/BUILD19
-rw-r--r--test/perf/linux/verity_open_benchmark.cc73
3 files changed, 99 insertions, 0 deletions
diff --git a/test/perf/BUILD b/test/perf/BUILD
index 75b5003e2..97ca0e75a 100644
--- a/test/perf/BUILD
+++ b/test/perf/BUILD
@@ -139,3 +139,10 @@ syscall_test(
debug = False,
test = "//test/perf/linux:write_benchmark",
)
+
+syscall_test(
+ size = "large",
+ debug = False,
+ test = "//test/perf/linux:verity_open_benchmark",
+ vfs1 = False,
+)
diff --git a/test/perf/linux/BUILD b/test/perf/linux/BUILD
index e76e359ff..b4f192227 100644
--- a/test/perf/linux/BUILD
+++ b/test/perf/linux/BUILD
@@ -370,3 +370,22 @@ cc_binary(
"//test/util:test_main",
],
)
+
+cc_binary(
+ name = "verity_open_benchmark",
+ testonly = 1,
+ srcs = [
+ "verity_open_benchmark.cc",
+ ],
+ deps = [
+ gbenchmark,
+ gtest,
+ "//test/util:capability_util",
+ "//test/util:fs_util",
+ "//test/util:logging",
+ "//test/util:temp_path",
+ "//test/util:test_main",
+ "//test/util:test_util",
+ "//test/util:verity_util",
+ ],
+)
diff --git a/test/perf/linux/verity_open_benchmark.cc b/test/perf/linux/verity_open_benchmark.cc
new file mode 100644
index 000000000..ce53a2100
--- /dev/null
+++ b/test/perf/linux/verity_open_benchmark.cc
@@ -0,0 +1,73 @@
+// Copyright 2021 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 <fcntl.h>
+#include <stdlib.h>
+#include <sys/mount.h>
+#include <unistd.h>
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "gtest/gtest.h"
+#include "benchmark/benchmark.h"
+#include "test/util/capability_util.h"
+#include "test/util/fs_util.h"
+#include "test/util/logging.h"
+#include "test/util/temp_path.h"
+#include "test/util/test_util.h"
+#include "test/util/verity_util.h"
+
+namespace gvisor {
+namespace testing {
+
+namespace {
+
+void BM_Open(benchmark::State& state) {
+ SKIP_IF(IsRunningWithVFS1());
+
+ const int size = state.range(0);
+ std::vector<TempPath> cache;
+ std::vector<EnableTarget> targets;
+
+ // Mount a tmpfs file system to be wrapped by a verity fs.
+ TempPath dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
+ TEST_CHECK(mount("", dir.path().c_str(), "tmpfs", 0, "") == 0);
+
+ for (int i = 0; i < size; i++) {
+ auto path = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileIn(dir.path()));
+ targets.emplace_back(
+ EnableTarget(std::string(Basename(path.path())), O_RDONLY));
+ cache.emplace_back(std::move(path));
+ }
+
+ std::string verity_dir =
+ TEST_CHECK_NO_ERRNO_AND_VALUE(MountVerity(dir.path(), targets));
+
+ unsigned int seed = 1;
+ for (auto _ : state) {
+ const int chosen = rand_r(&seed) % size;
+ int fd = open(JoinPath(verity_dir, targets[chosen].path).c_str(), O_RDONLY);
+ TEST_CHECK(fd != -1);
+ close(fd);
+ }
+}
+
+BENCHMARK(BM_Open)->Range(1, 128)->UseRealTime();
+
+} // namespace
+
+} // namespace testing
+} // namespace gvisor