23009bb199
Bug: 133175847 Test: boot blueline Test: device suspends if left alone Change-Id: I5a63fedabb18a9dcd510ca76303f54ec6c0b7f8c
136 lines
4.4 KiB
C++
136 lines
4.4 KiB
C++
/*
|
|
* Copyright 2018 The Android Open Source Project
|
|
*
|
|
* 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 <android/system/suspend/ISuspendControlService.h>
|
|
#include <binder/IServiceManager.h>
|
|
#include <gtest/gtest.h>
|
|
#include <hardware_legacy/power.h>
|
|
|
|
#include <csignal>
|
|
#include <cstdlib>
|
|
#include <string>
|
|
#include <thread>
|
|
#include <vector>
|
|
|
|
using android::sp;
|
|
using android::system::suspend::ISuspendControlService;
|
|
using android::system::suspend::WakeLockInfo;
|
|
using namespace std::chrono_literals;
|
|
|
|
namespace android {
|
|
|
|
// Test acquiring/releasing WakeLocks concurrently with process exit.
|
|
TEST(LibpowerTest, ProcessExitTest) {
|
|
std::atexit([] {
|
|
// We want to give the other thread enough time trigger a failure and
|
|
// dump the stack traces.
|
|
std::this_thread::sleep_for(1s);
|
|
});
|
|
|
|
ASSERT_EXIT(
|
|
{
|
|
constexpr int numThreads = 20;
|
|
std::vector<std::thread> tds;
|
|
for (int i = 0; i < numThreads; i++) {
|
|
tds.emplace_back([] {
|
|
while (true) {
|
|
// We want ids to be unique.
|
|
std::string id = std::to_string(rand());
|
|
ASSERT_EQ(acquire_wake_lock(PARTIAL_WAKE_LOCK, id.c_str()), 0);
|
|
ASSERT_EQ(release_wake_lock(id.c_str()), 0);
|
|
}
|
|
});
|
|
}
|
|
for (auto& td : tds) {
|
|
td.detach();
|
|
}
|
|
|
|
// Give some time for the threads to actually start.
|
|
std::this_thread::sleep_for(100ms);
|
|
std::exit(0);
|
|
},
|
|
::testing::ExitedWithCode(0), "");
|
|
}
|
|
|
|
// Stress test acquiring/releasing WakeLocks.
|
|
TEST(LibpowerTest, WakeLockStressTest) {
|
|
// numThreads threads will acquire/release numLocks locks each.
|
|
constexpr int numThreads = 20;
|
|
constexpr int numLocks = 1000;
|
|
std::vector<std::thread> tds;
|
|
|
|
for (int i = 0; i < numThreads; i++) {
|
|
tds.emplace_back([i] {
|
|
for (int j = 0; j < numLocks; j++) {
|
|
// We want ids to be unique.
|
|
std::string id = std::to_string(i) + "/" + std::to_string(j);
|
|
ASSERT_EQ(acquire_wake_lock(PARTIAL_WAKE_LOCK, id.c_str()), 0) << "id: " << id;
|
|
ASSERT_EQ(release_wake_lock(id.c_str()), 0) << "id: " << id;
|
|
}
|
|
});
|
|
}
|
|
for (auto& td : tds) {
|
|
td.join();
|
|
}
|
|
}
|
|
|
|
// Returns true iff found.
|
|
bool findWakeLockInfoByName(
|
|
const sp<ISuspendControlService>& service,
|
|
const std::string& name,
|
|
WakeLockInfo* info) {
|
|
std::vector<WakeLockInfo> wlStats;
|
|
service->getWakeLockStats(&wlStats);
|
|
auto it = std::find_if(wlStats.begin(), wlStats.end(),
|
|
[&name](const auto& x) { return x.name == name; });
|
|
if (it != wlStats.end()) {
|
|
*info = *it;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// Test RAII properties of WakeLock class.
|
|
TEST(LibpowerTest, RAIIWakeLock) {
|
|
sp<IBinder> control =
|
|
android::defaultServiceManager()->getService(android::String16("suspend_control"));
|
|
ASSERT_NE(control, nullptr) << "failed to get the suspend control service";
|
|
sp<ISuspendControlService> controlService = interface_cast<ISuspendControlService>(control);
|
|
|
|
auto name = std::to_string(rand());
|
|
{
|
|
android::power::WakeLock wl{name};
|
|
|
|
WakeLockInfo info;
|
|
auto success = findWakeLockInfoByName(controlService, name, &info);
|
|
ASSERT_TRUE(success);
|
|
ASSERT_EQ(info.name, name);
|
|
ASSERT_EQ(info.pid, getpid());
|
|
ASSERT_TRUE(info.isActive);
|
|
}
|
|
|
|
// SystemSuspend receives wake lock release requests on hwbinder thread, while stats requests
|
|
// come on binder thread. Sleep to make sure that stats are reported *after* wake lock release.
|
|
std::this_thread::sleep_for(1ms);
|
|
WakeLockInfo info;
|
|
auto success = findWakeLockInfoByName(controlService, name, &info);
|
|
ASSERT_TRUE(success);
|
|
ASSERT_EQ(info.name, name);
|
|
ASSERT_EQ(info.pid, getpid());
|
|
ASSERT_FALSE(info.isActive);
|
|
}
|
|
|
|
} // namespace android
|