Ady Abraham | 07d03c4 | 2023-09-27 19:15:08 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2023 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <errno.h> |
| 18 | #include <sched.h> |
| 19 | |
| 20 | #include <android/gui/ISurfaceComposer.h> |
| 21 | #include <android/gui/ISurfaceComposerClient.h> |
| 22 | #include <binder/IBinder.h> |
| 23 | #include <binder/IServiceManager.h> |
| 24 | #include <gtest/gtest.h> |
| 25 | #include <gui/ISurfaceComposer.h> |
| 26 | |
| 27 | #include <com_android_graphics_surfaceflinger_flags.h> |
| 28 | |
| 29 | namespace android::test { |
| 30 | using namespace com::android::graphics::surfaceflinger; |
| 31 | |
| 32 | class BinderTest : public ::testing::Test { |
| 33 | protected: |
| 34 | BinderTest(); |
| 35 | |
| 36 | void SetUp() override; |
| 37 | |
| 38 | void getSchedulingPolicy(gui::SchedulingPolicy* outPolicy); |
| 39 | void getNonAidlSchedulingPolicy(gui::SchedulingPolicy* outPolicy); |
| 40 | void getClientSchedulingPolicy(gui::SchedulingPolicy* outPolicy); |
| 41 | void getDisplayEventConnectionSchedulingPolicy(gui::SchedulingPolicy* outPolicy); |
| 42 | |
| 43 | private: |
| 44 | sp<gui::ISurfaceComposer> mISurfaceComposerAidl; |
| 45 | sp<ISurfaceComposer> mISurfaceComposer; |
| 46 | sp<gui::ISurfaceComposerClient> mISurfaceComposerClient; |
| 47 | sp<gui::IDisplayEventConnection> mConnection; |
| 48 | }; |
| 49 | |
| 50 | BinderTest::BinderTest() { |
| 51 | const String16 name("SurfaceFlingerAIDL"); |
| 52 | mISurfaceComposerAidl = waitForService<gui::ISurfaceComposer>(String16("SurfaceFlingerAIDL")); |
| 53 | mISurfaceComposer = waitForService<ISurfaceComposer>(String16("SurfaceFlinger")); |
| 54 | mISurfaceComposerAidl->createConnection(&mISurfaceComposerClient); |
| 55 | mISurfaceComposerAidl |
| 56 | ->createDisplayEventConnection(gui::ISurfaceComposer::VsyncSource::eVsyncSourceApp, |
| 57 | gui::ISurfaceComposer::EventRegistration(0), {}, |
| 58 | &mConnection); |
| 59 | } |
| 60 | |
| 61 | void BinderTest::SetUp() { |
| 62 | ASSERT_TRUE(mISurfaceComposerAidl); |
| 63 | ASSERT_TRUE(mISurfaceComposer); |
| 64 | ASSERT_TRUE(mISurfaceComposerClient); |
| 65 | ASSERT_TRUE(mConnection); |
| 66 | } |
| 67 | |
| 68 | void BinderTest::getSchedulingPolicy(gui::SchedulingPolicy* outPolicy) { |
| 69 | const auto status = mISurfaceComposerAidl->getSchedulingPolicy(outPolicy); |
| 70 | ASSERT_TRUE(status.isOk()); |
| 71 | } |
| 72 | |
| 73 | void BinderTest::getNonAidlSchedulingPolicy(gui::SchedulingPolicy* outPolicy) { |
| 74 | Parcel data, reply; |
| 75 | const status_t status = |
| 76 | IInterface::asBinder(mISurfaceComposer) |
| 77 | ->transact(BnSurfaceComposer::GET_SCHEDULING_POLICY, data, &reply); |
| 78 | ASSERT_EQ(OK, status); |
| 79 | |
| 80 | outPolicy->policy = reply.readInt32(); |
| 81 | outPolicy->priority = reply.readInt32(); |
| 82 | } |
| 83 | |
| 84 | void BinderTest::getClientSchedulingPolicy(gui::SchedulingPolicy* outPolicy) { |
| 85 | const auto status = mISurfaceComposerClient->getSchedulingPolicy(outPolicy); |
| 86 | ASSERT_TRUE(status.isOk()); |
| 87 | } |
| 88 | |
| 89 | void BinderTest::getDisplayEventConnectionSchedulingPolicy(gui::SchedulingPolicy* outPolicy) { |
| 90 | const auto status = mConnection->getSchedulingPolicy(outPolicy); |
| 91 | ASSERT_TRUE(status.isOk()); |
| 92 | } |
| 93 | |
| 94 | TEST_F(BinderTest, SchedulingPolicy) { |
| 95 | if (!flags::misc1()) GTEST_SKIP(); |
| 96 | |
| 97 | const int policy = SCHED_FIFO; |
| 98 | const int priority = sched_get_priority_min(policy); |
| 99 | |
| 100 | gui::SchedulingPolicy sfPolicy; |
| 101 | ASSERT_NO_FATAL_FAILURE(getSchedulingPolicy(&sfPolicy)); |
| 102 | |
| 103 | ASSERT_EQ(policy, sfPolicy.policy & (~SCHED_RESET_ON_FORK)); |
| 104 | ASSERT_EQ(priority, sfPolicy.priority); |
| 105 | } |
| 106 | |
| 107 | TEST_F(BinderTest, NonAidlSchedulingPolicy) { |
| 108 | const int policy = SCHED_FIFO; |
| 109 | const int priority = sched_get_priority_min(policy); |
| 110 | |
| 111 | gui::SchedulingPolicy sfPolicy; |
| 112 | ASSERT_NO_FATAL_FAILURE(getNonAidlSchedulingPolicy(&sfPolicy)); |
| 113 | |
| 114 | ASSERT_EQ(policy, sfPolicy.policy & (~SCHED_RESET_ON_FORK)); |
| 115 | ASSERT_EQ(priority, sfPolicy.priority); |
| 116 | } |
| 117 | |
| 118 | TEST_F(BinderTest, ClientSchedulingPolicy) { |
| 119 | if (!flags::misc1()) GTEST_SKIP(); |
| 120 | |
| 121 | const int policy = SCHED_FIFO; |
| 122 | const int priority = sched_get_priority_min(policy); |
| 123 | |
| 124 | gui::SchedulingPolicy sfPolicy; |
| 125 | ASSERT_NO_FATAL_FAILURE(getClientSchedulingPolicy(&sfPolicy)); |
| 126 | |
| 127 | ASSERT_EQ(policy, sfPolicy.policy & (~SCHED_RESET_ON_FORK)); |
| 128 | ASSERT_EQ(priority, sfPolicy.priority); |
| 129 | } |
| 130 | |
| 131 | TEST_F(BinderTest, DisplayEventConnectionSchedulingPolicy) { |
| 132 | if (!flags::misc1()) GTEST_SKIP(); |
| 133 | |
| 134 | const int policy = SCHED_FIFO; |
| 135 | const int priority = sched_get_priority_min(policy); |
| 136 | |
| 137 | gui::SchedulingPolicy sfPolicy; |
| 138 | ASSERT_NO_FATAL_FAILURE(getDisplayEventConnectionSchedulingPolicy(&sfPolicy)); |
| 139 | |
| 140 | ASSERT_EQ(policy, sfPolicy.policy & (~SCHED_RESET_ON_FORK)); |
| 141 | ASSERT_EQ(priority, sfPolicy.priority); |
| 142 | } |
| 143 | |
| 144 | class BinderTestRtCaller : public BinderTest { |
| 145 | protected: |
| 146 | void SetUp() override; |
| 147 | void TearDown() override; |
| 148 | |
| 149 | private: |
| 150 | int mOrigPolicy; |
| 151 | int mOrigPriority; |
| 152 | }; |
| 153 | |
| 154 | void BinderTestRtCaller::SetUp() { |
| 155 | const int policy = SCHED_FIFO; |
| 156 | const int priority = sched_get_priority_min(policy); |
| 157 | |
| 158 | mOrigPolicy = sched_getscheduler(0); |
| 159 | struct sched_param origSchedParam; |
| 160 | ASSERT_GE(0, sched_getparam(0, &origSchedParam)) << "errno: " << strerror(errno); |
| 161 | mOrigPriority = origSchedParam.sched_priority; |
| 162 | |
| 163 | struct sched_param param; |
| 164 | param.sched_priority = priority; |
| 165 | ASSERT_GE(0, sched_setscheduler(0, policy, ¶m)) << "errno: " << strerror(errno); |
| 166 | } |
| 167 | |
| 168 | void BinderTestRtCaller::TearDown() { |
| 169 | struct sched_param origSchedParam; |
| 170 | origSchedParam.sched_priority = mOrigPriority; |
| 171 | ASSERT_GE(0, sched_setscheduler(0, mOrigPolicy, &origSchedParam)) |
| 172 | << "errno: " << strerror(errno); |
| 173 | } |
| 174 | |
| 175 | TEST_F(BinderTestRtCaller, SchedulingPolicy) { |
| 176 | if (!flags::misc1()) GTEST_SKIP(); |
| 177 | |
| 178 | const int policy = SCHED_FIFO; |
| 179 | const int priority = sched_get_priority_min(policy); |
| 180 | |
| 181 | gui::SchedulingPolicy sfPolicy; |
| 182 | ASSERT_NO_FATAL_FAILURE(getSchedulingPolicy(&sfPolicy)); |
| 183 | |
| 184 | ASSERT_EQ(policy, sfPolicy.policy & (~SCHED_RESET_ON_FORK)); |
| 185 | ASSERT_EQ(priority, sfPolicy.priority); |
| 186 | } |
| 187 | |
| 188 | TEST_F(BinderTestRtCaller, NonAidlSchedulingPolicy) { |
| 189 | const int policy = SCHED_FIFO; |
| 190 | const int priority = sched_get_priority_min(policy); |
| 191 | |
| 192 | gui::SchedulingPolicy sfPolicy; |
| 193 | ASSERT_NO_FATAL_FAILURE(getNonAidlSchedulingPolicy(&sfPolicy)); |
| 194 | |
| 195 | ASSERT_EQ(policy, sfPolicy.policy & (~SCHED_RESET_ON_FORK)); |
| 196 | ASSERT_EQ(priority, sfPolicy.priority); |
| 197 | } |
| 198 | |
| 199 | TEST_F(BinderTestRtCaller, ClientSchedulingPolicy) { |
| 200 | if (!flags::misc1()) GTEST_SKIP(); |
| 201 | |
| 202 | const int policy = SCHED_FIFO; |
| 203 | const int priority = sched_get_priority_min(policy); |
| 204 | |
| 205 | gui::SchedulingPolicy sfPolicy; |
| 206 | ASSERT_NO_FATAL_FAILURE(getClientSchedulingPolicy(&sfPolicy)); |
| 207 | |
| 208 | ASSERT_EQ(policy, sfPolicy.policy & (~SCHED_RESET_ON_FORK)); |
| 209 | ASSERT_EQ(priority, sfPolicy.priority); |
| 210 | } |
| 211 | |
| 212 | TEST_F(BinderTestRtCaller, DisplayEventConnectionSchedulingPolicy) { |
| 213 | if (!flags::misc1()) GTEST_SKIP(); |
| 214 | |
| 215 | const int policy = SCHED_FIFO; |
| 216 | const int priority = sched_get_priority_min(policy); |
| 217 | |
| 218 | gui::SchedulingPolicy sfPolicy; |
| 219 | ASSERT_NO_FATAL_FAILURE(getDisplayEventConnectionSchedulingPolicy(&sfPolicy)); |
| 220 | |
| 221 | ASSERT_EQ(policy, sfPolicy.policy & (~SCHED_RESET_ON_FORK)); |
| 222 | ASSERT_EQ(priority, sfPolicy.priority); |
| 223 | } |
| 224 | |
| 225 | } // namespace android::test |