diff options
author | Chong Cai <chongc@google.com> | 2021-07-23 14:33:27 -0700 |
---|---|---|
committer | gVisor bot <gvisor-bot@google.com> | 2021-07-23 14:35:42 -0700 |
commit | d2479383639ab15301c4535a91cbbbeb22635a7e (patch) | |
tree | fecfead59cfc796d71d2c78ead824d381908342b /test/perf | |
parent | 3d0a9300050ad9a72d452ec862827e35e3f38dcc (diff) |
Add verity open benchmark test
PiperOrigin-RevId: 386533065
Diffstat (limited to 'test/perf')
-rw-r--r-- | test/perf/BUILD | 7 | ||||
-rw-r--r-- | test/perf/linux/BUILD | 19 | ||||
-rw-r--r-- | test/perf/linux/verity_open_benchmark.cc | 73 |
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 |