-
Notifications
You must be signed in to change notification settings - Fork 120
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
8 changed files
with
146 additions
and
65 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| /* | ||
| Copyright 2022 The Photon 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 <atomic> | ||
| #include <chrono> | ||
| #include <vector> | ||
| #include <gtest/gtest.h> | ||
| #include <photon/photon.h> | ||
| #include <photon/thread/std-compat.h> | ||
| #include <photon/common/alog.h> | ||
| #include <photon/common/utility.h> | ||
|
|
||
| static constexpr int nMutexes = 4; | ||
| static constexpr int nWorkers = 4; | ||
| static constexpr int nThreads = 32; // Increase if necessary | ||
| static constexpr int testTimeSeconds = 60; | ||
|
|
||
| photon_std::mutex mutexes[nMutexes]; | ||
| std::atomic<int64_t> acquisitionCounters[nMutexes]; | ||
| std::atomic<int64_t> acquisitionDurations[nMutexes]; | ||
| bool running = true; | ||
|
|
||
| static void timedLock(photon_std::mutex& mutex, int index) { | ||
| long long durationMicros; | ||
| auto start = std::chrono::steady_clock::now(); | ||
| { | ||
| photon_std::lock_guard<photon_std::mutex> lock(mutex); | ||
| acquisitionCounters[index].fetch_add(1); | ||
| auto end = std::chrono::steady_clock::now(); | ||
| durationMicros = std::chrono::duration_cast<std::chrono::microseconds>(end - start).count(); | ||
| acquisitionDurations[index].fetch_add(durationMicros); | ||
| } | ||
| if (durationMicros > 1'000'000) { | ||
| LOG_ERROR("long acquisition. mutex `, duration: `ms", index, durationMicros / 1000); | ||
| std::abort(); | ||
| } | ||
| } | ||
|
|
||
| static void myThread(int tid) { | ||
| LOG_INFO("thread ` starting", tid); | ||
| while (running) { | ||
| for (int i = 0; i < nMutexes; i++) { | ||
| timedLock(mutexes[i], i); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| TEST(multi_vcpu_locking, long_time_acquisition_should_abort) { | ||
| int ret = photon::init(photon::INIT_EVENT_DEFAULT, photon::INIT_IO_NONE); | ||
| GTEST_ASSERT_EQ(0, ret); | ||
| DEFER(photon::fini()); | ||
|
|
||
| ret = photon_std::work_pool_init(nWorkers, photon::INIT_EVENT_DEFAULT, photon::INIT_IO_NONE); | ||
| GTEST_ASSERT_EQ(0, ret); | ||
| DEFER(photon_std::work_pool_fini()); | ||
|
|
||
| std::vector<photon_std::thread> threads; | ||
| for (int i = 0; i < nThreads; i++) { | ||
| threads.emplace_back(myThread, i); | ||
| } | ||
|
|
||
| for (int i = 0; i < testTimeSeconds; ++i) { | ||
| for (int j = 0; j < nMutexes; j++) { | ||
| auto count = acquisitionCounters[j].load(); | ||
| auto durationMs = acquisitionDurations[j].load() / 1000; | ||
| LOG_INFO("mutex `: total acquisitions: `, total wait time: `ms", j, count, durationMs); | ||
| } | ||
| photon_std::this_thread::sleep_for(std::chrono::seconds(1)); | ||
| } | ||
|
|
||
| running = false; | ||
| for (auto& th: threads) { | ||
| th.join(); | ||
| } | ||
| } | ||
|
|
||
| int main(int argc, char** argv) { | ||
| ::testing::InitGoogleTest(&argc, argv); | ||
| return RUN_ALL_TESTS(); | ||
| } |