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-rw-r--r--test/perf/linux/verity_stat_benchmark.cc84
1 files changed, 0 insertions, 84 deletions
diff --git a/test/perf/linux/verity_stat_benchmark.cc b/test/perf/linux/verity_stat_benchmark.cc
deleted file mode 100644
index b43a9e266..000000000
--- a/test/perf/linux/verity_stat_benchmark.cc
+++ /dev/null
@@ -1,84 +0,0 @@
-// 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 <sys/mount.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include <algorithm>
-#include <vector>
-
-#include "gtest/gtest.h"
-#include "absl/strings/str_cat.h"
-#include "benchmark/benchmark.h"
-#include "test/util/fs_util.h"
-#include "test/util/temp_path.h"
-#include "test/util/test_util.h"
-#include "test/util/verity_util.h"
-
-namespace gvisor {
-namespace testing {
-
-namespace {
-
-// Creates a file in a nested directory hierarchy at least `depth` directories
-// deep, and stats that file multiple times.
-void BM_VerityStat(benchmark::State& state) {
- // Create nested directories with given depth.
- int depth = state.range(0);
-
- // Mount a tmpfs file system to be wrapped by a verity fs.
- TempPath top_dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
- TEST_CHECK(mount("", top_dir.path().c_str(), "tmpfs", 0, "") == 0);
- std::string dir_path = top_dir.path();
- std::string child_path = "";
- std::vector<EnableTarget> targets;
-
- while (depth-- > 0) {
- // Don't use TempPath because it will make paths too long to use.
- //
- // The top_dir destructor will clean up this whole tree.
- dir_path = JoinPath(dir_path, absl::StrCat(depth));
- ASSERT_NO_ERRNO(Mkdir(dir_path, 0755));
- child_path = JoinPath(child_path, Basename(dir_path));
- targets.emplace_back(EnableTarget(child_path, O_RDONLY));
- }
-
- // Create the file that will be stat'd.
- const TempPath file =
- ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileIn(dir_path));
-
- targets.emplace_back(
- EnableTarget(JoinPath(child_path, Basename(file.path())), O_RDONLY));
-
- // Reverse the targets because verity should be enabled from the lowest level.
- std::reverse(targets.begin(), targets.end());
-
- std::string verity_dir =
- TEST_CHECK_NO_ERRNO_AND_VALUE(MountVerity(top_dir.path(), targets));
-
- struct stat st;
- for (auto _ : state) {
- ASSERT_THAT(stat(JoinPath(verity_dir, targets[0].path).c_str(), &st),
- SyscallSucceeds());
- }
-}
-
-BENCHMARK(BM_VerityStat)->Range(1, 100)->UseRealTime();
-
-} // namespace
-
-} // namespace testing
-} // namespace gvisor