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Modify VTS to allow testing shim caching

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Bug: 185777967
Bug: 182877255
Test: VtsHalNeuralnetworksTargetTest
Change-Id: Ibaba149715cfd5e655ce4916b75a29473170f013
This commit is contained in:
Slava Shklyaev
2021-04-30 12:21:07 +01:00
committed by Przemysław Szczepaniak
parent 25e701b915
commit 2980a7c9fc
1 changed files with 89 additions and 88 deletions
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177
neuralnetworks/aidl/vts/functional/CompilationCachingTests.cpp
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@@ -357,16 +357,40 @@ class CompilationCachingTestBase : public testing::Test {
return false;
}
// If fallbackModel is not provided, call prepareModelFromCache.
// If fallbackModel is provided, and prepareModelFromCache returns GENERAL_FAILURE,
// then prepareModel(fallbackModel) will be called.
// This replicates the behaviour of the runtime when loading a model from cache.
// NNAPI Shim depends on this behaviour and may try to load the model from cache in
// prepareModel (shim needs model information when loading from cache).
void prepareModelFromCache(const std::vector<ndk::ScopedFileDescriptor>& modelCache,
const std::vector<ndk::ScopedFileDescriptor>& dataCache,
std::shared_ptr<IPreparedModel>* preparedModel,
ErrorStatus* status) {
std::shared_ptr<IPreparedModel>* preparedModel, ErrorStatus* status,
const Model* fallbackModel = nullptr) {
// Launch prepare model from cache.
std::shared_ptr<PreparedModelCallback> preparedModelCallback =
ndk::SharedRefBase::make<PreparedModelCallback>();
std::vector<uint8_t> cacheToken(std::begin(mToken), std::end(mToken));
const auto prepareLaunchStatus = kDevice->prepareModelFromCache(
auto prepareLaunchStatus = kDevice->prepareModelFromCache(
kNoDeadline, modelCache, dataCache, cacheToken, preparedModelCallback);
// The shim does not support prepareModelFromCache() properly, but it
// will still attempt to create a model from cache when modelCache or
// dataCache is provided in prepareModel(). Instead of failing straight
// away, we try to utilize that other code path when fallbackModel is
// set. Note that we cannot verify whether the returned model was
// actually prepared from cache in that case.
if (!prepareLaunchStatus.isOk() &&
prepareLaunchStatus.getExceptionCode() == EX_SERVICE_SPECIFIC &&
static_cast<ErrorStatus>(prepareLaunchStatus.getServiceSpecificError()) ==
ErrorStatus::GENERAL_FAILURE &&
mIsCachingSupported && fallbackModel != nullptr) {
preparedModelCallback = ndk::SharedRefBase::make<PreparedModelCallback>();
prepareLaunchStatus = kDevice->prepareModel(
*fallbackModel, ExecutionPreference::FAST_SINGLE_ANSWER, kDefaultPriority,
kNoDeadline, modelCache, dataCache, cacheToken, preparedModelCallback);
}
ASSERT_TRUE(prepareLaunchStatus.isOk() ||
prepareLaunchStatus.getExceptionCode() == EX_SERVICE_SPECIFIC)
<< "prepareLaunchStatus: " << prepareLaunchStatus.getDescription();
@@ -382,6 +406,42 @@ class CompilationCachingTestBase : public testing::Test {
*preparedModel = preparedModelCallback->getPreparedModel();
}
// Replicate behaviour of runtime when loading model from cache.
// Test if prepareModelFromCache behaves correctly when faced with bad
// arguments. If prepareModelFromCache is not supported (GENERAL_FAILURE),
// it attempts to call prepareModel with same arguments, which is expected either
// to not support the model (GENERAL_FAILURE) or return a valid model.
void verifyModelPreparationBehaviour(const std::vector<ndk::ScopedFileDescriptor>& modelCache,
const std::vector<ndk::ScopedFileDescriptor>& dataCache,
const Model* model, const TestModel& testModel) {
std::shared_ptr<IPreparedModel> preparedModel;
ErrorStatus status;
// Verify that prepareModelFromCache fails either due to bad
// arguments (INVALID_ARGUMENT) or GENERAL_FAILURE if not supported.
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status,
/*fallbackModel=*/nullptr);
if (status != ErrorStatus::INVALID_ARGUMENT) {
ASSERT_EQ(status, ErrorStatus::GENERAL_FAILURE);
}
ASSERT_EQ(preparedModel, nullptr);
// If caching is not supported, attempt calling prepareModel.
if (status == ErrorStatus::GENERAL_FAILURE) {
// Fallback with prepareModel should succeed regardless of cache files
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status,
/*fallbackModel=*/model);
// Unless caching is not supported?
if (status != ErrorStatus::GENERAL_FAILURE) {
// But if it is, we should see a valid model.
ASSERT_EQ(status, ErrorStatus::NONE);
ASSERT_NE(preparedModel, nullptr);
EvaluatePreparedModel(kDevice, preparedModel, testModel,
/*testKind=*/TestKind::GENERAL);
}
}
}
// Absolute path to the temporary cache directory.
std::string mCacheDir;
@@ -397,7 +457,7 @@ class CompilationCachingTestBase : public testing::Test {
uint8_t mToken[static_cast<uint32_t>(IDevice::BYTE_SIZE_OF_CACHE_TOKEN)] = {};
uint32_t mNumModelCache;
uint32_t mNumDataCache;
uint32_t mIsCachingSupported;
bool mIsCachingSupported;
const std::shared_ptr<IDevice> kDevice;
// The primary data type of the testModel.
@@ -438,7 +498,8 @@ TEST_P(CompilationCachingTest, CacheSavingAndRetrieval) {
std::vector<ndk::ScopedFileDescriptor> modelCache, dataCache;
createCacheFds(mModelCache, AccessMode::READ_WRITE, &modelCache);
createCacheFds(mDataCache, AccessMode::READ_WRITE, &dataCache);
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status);
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status,
/*fallbackModel=*/&model);
if (!mIsCachingSupported) {
ASSERT_EQ(status, ErrorStatus::GENERAL_FAILURE);
ASSERT_EQ(preparedModel, nullptr);
@@ -498,7 +559,8 @@ TEST_P(CompilationCachingTest, CacheSavingAndRetrievalNonZeroOffset) {
for (uint32_t i = 0; i < dataCache.size(); i++) {
ASSERT_GE(read(dataCache[i].get(), &placeholderByte, 1), 0);
}
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status);
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status,
/*fallbackModel=*/&model);
if (!mIsCachingSupported) {
ASSERT_EQ(status, ErrorStatus::GENERAL_FAILURE);
ASSERT_EQ(preparedModel, nullptr);
@@ -536,13 +598,7 @@ TEST_P(CompilationCachingTest, SaveToCacheInvalidNumCache) {
// Execute and verify results.
EvaluatePreparedModel(kDevice, preparedModel, testModel, /*testKind=*/TestKind::GENERAL);
// Check if prepareModelFromCache fails.
preparedModel = nullptr;
ErrorStatus status;
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status);
if (status != ErrorStatus::INVALID_ARGUMENT) {
ASSERT_EQ(status, ErrorStatus::GENERAL_FAILURE);
}
ASSERT_EQ(preparedModel, nullptr);
verifyModelPreparationBehaviour(modelCache, dataCache, &model, testModel);
}
// Test with number of model cache files smaller than mNumModelCache.
@@ -560,13 +616,7 @@ TEST_P(CompilationCachingTest, SaveToCacheInvalidNumCache) {
// Execute and verify results.
EvaluatePreparedModel(kDevice, preparedModel, testModel, /*testKind=*/TestKind::GENERAL);
// Check if prepareModelFromCache fails.
preparedModel = nullptr;
ErrorStatus status;
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status);
if (status != ErrorStatus::INVALID_ARGUMENT) {
ASSERT_EQ(status, ErrorStatus::GENERAL_FAILURE);
}
ASSERT_EQ(preparedModel, nullptr);
verifyModelPreparationBehaviour(modelCache, dataCache, &model, testModel);
}
// Test with number of data cache files greater than mNumDataCache.
@@ -583,13 +633,7 @@ TEST_P(CompilationCachingTest, SaveToCacheInvalidNumCache) {
// Execute and verify results.
EvaluatePreparedModel(kDevice, preparedModel, testModel, /*testKind=*/TestKind::GENERAL);
// Check if prepareModelFromCache fails.
preparedModel = nullptr;
ErrorStatus status;
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status);
if (status != ErrorStatus::INVALID_ARGUMENT) {
ASSERT_EQ(status, ErrorStatus::GENERAL_FAILURE);
}
ASSERT_EQ(preparedModel, nullptr);
verifyModelPreparationBehaviour(modelCache, dataCache, &model, testModel);
}
// Test with number of data cache files smaller than mNumDataCache.
@@ -607,13 +651,7 @@ TEST_P(CompilationCachingTest, SaveToCacheInvalidNumCache) {
// Execute and verify results.
EvaluatePreparedModel(kDevice, preparedModel, testModel, /*testKind=*/TestKind::GENERAL);
// Check if prepareModelFromCache fails.
preparedModel = nullptr;
ErrorStatus status;
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status);
if (status != ErrorStatus::INVALID_ARGUMENT) {
ASSERT_EQ(status, ErrorStatus::GENERAL_FAILURE);
}
ASSERT_EQ(preparedModel, nullptr);
verifyModelPreparationBehaviour(modelCache, dataCache, &model, testModel);
}
}
@@ -633,68 +671,48 @@ TEST_P(CompilationCachingTest, PrepareModelFromCacheInvalidNumCache) {
// Test with number of model cache files greater than mNumModelCache.
{
std::shared_ptr<IPreparedModel> preparedModel = nullptr;
ErrorStatus status;
std::vector<ndk::ScopedFileDescriptor> modelCache, dataCache;
mModelCache.push_back({mTmpCache});
createCacheFds(mModelCache, AccessMode::READ_WRITE, &modelCache);
createCacheFds(mDataCache, AccessMode::READ_WRITE, &dataCache);
mModelCache.pop_back();
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status);
if (status != ErrorStatus::GENERAL_FAILURE) {
ASSERT_EQ(status, ErrorStatus::INVALID_ARGUMENT);
}
ASSERT_EQ(preparedModel, nullptr);
verifyModelPreparationBehaviour(modelCache, dataCache, &model, testModel);
}
// Test with number of model cache files smaller than mNumModelCache.
if (mModelCache.size() > 0) {
std::shared_ptr<IPreparedModel> preparedModel = nullptr;
ErrorStatus status;
std::vector<ndk::ScopedFileDescriptor> modelCache, dataCache;
auto tmp = mModelCache.back();
mModelCache.pop_back();
createCacheFds(mModelCache, AccessMode::READ_WRITE, &modelCache);
createCacheFds(mDataCache, AccessMode::READ_WRITE, &dataCache);
mModelCache.push_back(tmp);
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status);
if (status != ErrorStatus::GENERAL_FAILURE) {
ASSERT_EQ(status, ErrorStatus::INVALID_ARGUMENT);
}
ASSERT_EQ(preparedModel, nullptr);
verifyModelPreparationBehaviour(modelCache, dataCache, &model, testModel);
}
// Test with number of data cache files greater than mNumDataCache.
{
std::shared_ptr<IPreparedModel> preparedModel = nullptr;
ErrorStatus status;
std::vector<ndk::ScopedFileDescriptor> modelCache, dataCache;
mDataCache.push_back({mTmpCache});
createCacheFds(mModelCache, AccessMode::READ_WRITE, &modelCache);
createCacheFds(mDataCache, AccessMode::READ_WRITE, &dataCache);
mDataCache.pop_back();
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status);
if (status != ErrorStatus::GENERAL_FAILURE) {
ASSERT_EQ(status, ErrorStatus::INVALID_ARGUMENT);
}
ASSERT_EQ(preparedModel, nullptr);
verifyModelPreparationBehaviour(modelCache, dataCache, &model, testModel);
}
// Test with number of data cache files smaller than mNumDataCache.
if (mDataCache.size() > 0) {
std::shared_ptr<IPreparedModel> preparedModel = nullptr;
ErrorStatus status;
std::vector<ndk::ScopedFileDescriptor> modelCache, dataCache;
auto tmp = mDataCache.back();
mDataCache.pop_back();
createCacheFds(mModelCache, AccessMode::READ_WRITE, &modelCache);
createCacheFds(mDataCache, AccessMode::READ_WRITE, &dataCache);
mDataCache.push_back(tmp);
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status);
if (status != ErrorStatus::GENERAL_FAILURE) {
ASSERT_EQ(status, ErrorStatus::INVALID_ARGUMENT);
}
ASSERT_EQ(preparedModel, nullptr);
verifyModelPreparationBehaviour(modelCache, dataCache, &model, testModel);
}
}
@@ -719,13 +737,7 @@ TEST_P(CompilationCachingTest, SaveToCacheInvalidAccessMode) {
// Execute and verify results.
EvaluatePreparedModel(kDevice, preparedModel, testModel, /*testKind=*/TestKind::GENERAL);
// Check if prepareModelFromCache fails.
preparedModel = nullptr;
ErrorStatus status;
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status);
if (status != ErrorStatus::INVALID_ARGUMENT) {
ASSERT_EQ(status, ErrorStatus::GENERAL_FAILURE);
}
ASSERT_EQ(preparedModel, nullptr);
verifyModelPreparationBehaviour(modelCache, dataCache, &model, testModel);
}
// Go through each handle in data cache, test with invalid access mode.
@@ -741,13 +753,7 @@ TEST_P(CompilationCachingTest, SaveToCacheInvalidAccessMode) {
// Execute and verify results.
EvaluatePreparedModel(kDevice, preparedModel, testModel, /*testKind=*/TestKind::GENERAL);
// Check if prepareModelFromCache fails.
preparedModel = nullptr;
ErrorStatus status;
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status);
if (status != ErrorStatus::INVALID_ARGUMENT) {
ASSERT_EQ(status, ErrorStatus::GENERAL_FAILURE);
}
ASSERT_EQ(preparedModel, nullptr);
verifyModelPreparationBehaviour(modelCache, dataCache, &model, testModel);
}
}
@@ -769,30 +775,23 @@ TEST_P(CompilationCachingTest, PrepareModelFromCacheInvalidAccessMode) {
// Go through each handle in model cache, test with invalid access mode.
for (uint32_t i = 0; i < mNumModelCache; i++) {
std::shared_ptr<IPreparedModel> preparedModel = nullptr;
ErrorStatus status;
std::vector<ndk::ScopedFileDescriptor> modelCache, dataCache;
modelCacheMode[i] = AccessMode::WRITE_ONLY;
createCacheFds(mModelCache, modelCacheMode, &modelCache);
createCacheFds(mDataCache, dataCacheMode, &dataCache);
modelCacheMode[i] = AccessMode::READ_WRITE;
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status);
ASSERT_EQ(status, ErrorStatus::GENERAL_FAILURE);
ASSERT_EQ(preparedModel, nullptr);
verifyModelPreparationBehaviour(modelCache, dataCache, &model, testModel);
}
// Go through each handle in data cache, test with invalid access mode.
for (uint32_t i = 0; i < mNumDataCache; i++) {
std::shared_ptr<IPreparedModel> preparedModel = nullptr;
ErrorStatus status;
std::vector<ndk::ScopedFileDescriptor> modelCache, dataCache;
dataCacheMode[i] = AccessMode::WRITE_ONLY;
createCacheFds(mModelCache, modelCacheMode, &modelCache);
createCacheFds(mDataCache, dataCacheMode, &dataCache);
dataCacheMode[i] = AccessMode::READ_WRITE;
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status);
ASSERT_EQ(status, ErrorStatus::GENERAL_FAILURE);
ASSERT_EQ(preparedModel, nullptr);
verifyModelPreparationBehaviour(modelCache, dataCache, &model, testModel);
}
}
@@ -872,7 +871,8 @@ TEST_P(CompilationCachingTest, SaveToCache_TOCTOU) {
std::vector<ndk::ScopedFileDescriptor> modelCache, dataCache;
createCacheFds(mModelCache, AccessMode::READ_WRITE, &modelCache);
createCacheFds(mDataCache, AccessMode::READ_WRITE, &dataCache);
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status);
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status,
/*fallbackModel=*/nullptr);
// The preparation may fail or succeed, but must not crash. If the preparation succeeds,
// the prepared model must be executed with the correct result and not crash.
@@ -933,7 +933,8 @@ TEST_P(CompilationCachingTest, PrepareFromCache_TOCTOU) {
// Spawn a thread to copy the cache content concurrently while preparing from cache.
std::thread thread(copyCacheFiles, std::cref(modelCacheMul), std::cref(mModelCache));
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status);
prepareModelFromCache(modelCache, dataCache, &preparedModel, &status,
/*fallbackModel=*/nullptr);
thread.join();
// The preparation may fail or succeed, but must not crash. If the preparation succeeds,