142 lines
5.2 KiB
C++
142 lines
5.2 KiB
C++
/* Copyright 2020 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#include "tensorflow/lite/delegates/telemetry.h"
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#include <cstdint>
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include "flatbuffers/flatbuffers.h" // from @flatbuffers
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#include "tensorflow/lite/c/common.h"
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#include "tensorflow/lite/core/api/profiler.h"
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#include "tensorflow/lite/experimental/acceleration/configuration/configuration_generated.h"
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#include "tensorflow/lite/profiling/profile_buffer.h"
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namespace tflite {
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namespace delegates {
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namespace {
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constexpr int32_t kDummyCode = 2;
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constexpr bool kDummyGpuPrecisionLossAllowed = true;
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constexpr tflite::Delegate kDummyDelegate = tflite::Delegate_GPU;
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constexpr DelegateStatusSource kDummySource =
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DelegateStatusSource::TFLITE_NNAPI;
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TEST(TelemetryTest, StatusConversion) {
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DelegateStatus status(kDummySource, kDummyCode);
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int64_t serialized_int = status.full_status();
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DelegateStatus deserialized_status(serialized_int);
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EXPECT_EQ(kDummyCode, deserialized_status.code());
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EXPECT_EQ(kDummySource, deserialized_status.source());
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EXPECT_EQ(serialized_int, deserialized_status.full_status());
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}
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// Dummy profiler to test delegate reporting.
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class DelegateProfiler : public Profiler {
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public:
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DelegateProfiler() {}
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~DelegateProfiler() override = default;
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uint32_t BeginEvent(const char* tag, EventType event_type,
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int64_t event_metadata1,
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int64_t event_metadata2) override {
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int event_handle = -1;
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if (event_type ==
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Profiler::EventType::GENERAL_RUNTIME_INSTRUMENTATION_EVENT &&
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std::string(tag) == kDelegateSettingsTag) {
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event_buffer_.emplace_back();
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event_handle = event_buffer_.size();
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// event_metadata1 is a pointer to a TfLiteDelegate.
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EXPECT_NE(event_metadata1, 0);
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auto* delegate = reinterpret_cast<TfLiteDelegate*>(event_metadata1);
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EXPECT_EQ(delegate->flags, kTfLiteDelegateFlagsNone);
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// event_metadata2 is a pointer to TFLiteSettings.
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EXPECT_NE(event_metadata2, 0);
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auto* settings = reinterpret_cast<TFLiteSettings*>(event_metadata2);
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EXPECT_EQ(settings->delegate(), kDummyDelegate);
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EXPECT_EQ(settings->gpu_settings()->is_precision_loss_allowed(),
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kDummyGpuPrecisionLossAllowed);
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} else if (event_type ==
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Profiler::EventType::GENERAL_RUNTIME_INSTRUMENTATION_EVENT &&
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std::string(tag) == kDelegateStatusTag) {
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event_buffer_.emplace_back();
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event_handle = event_buffer_.size();
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EXPECT_EQ(event_metadata2, static_cast<int64_t>(kTfLiteOk));
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DelegateStatus reported_status(event_metadata1);
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EXPECT_EQ(reported_status.source(), kDummySource);
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EXPECT_EQ(reported_status.code(), kDummyCode);
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}
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EXPECT_NE(-1, event_handle);
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return event_handle;
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}
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void EndEvent(uint32_t event_handle) override {
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EXPECT_EQ(event_handle, event_buffer_.size());
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}
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int NumRecordedEvents() { return event_buffer_.size(); }
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private:
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std::vector<profiling::ProfileEvent> event_buffer_;
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};
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TEST(TelemetryTest, DelegateStatusReport) {
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DelegateProfiler profiler;
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TfLiteDelegate delegate = TfLiteDelegateCreate();
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TfLiteContext context;
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context.profiler = &profiler;
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DelegateStatus status(kDummySource, kDummyCode);
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EXPECT_EQ(ReportDelegateStatus(&context, &delegate, status), kTfLiteOk);
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EXPECT_EQ(ReportDelegateStatus(&context, &delegate, status), kTfLiteOk);
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EXPECT_EQ(profiler.NumRecordedEvents(), 2);
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}
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TEST(TelemetryTest, DelegateSettingsReport) {
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DelegateProfiler profiler;
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TfLiteDelegate delegate = TfLiteDelegateCreate();
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TfLiteContext context;
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context.profiler = &profiler;
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flatbuffers::FlatBufferBuilder flatbuffer_builder;
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flatbuffers::Offset<tflite::GPUSettings> gpu_settings =
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tflite::CreateGPUSettings(
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flatbuffer_builder,
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/**is_precision_loss_allowed**/ kDummyGpuPrecisionLossAllowed);
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auto* tflite_settings_ptr = flatbuffers::GetTemporaryPointer(
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flatbuffer_builder,
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CreateTFLiteSettings(flatbuffer_builder, kDummyDelegate,
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/*nnapi_settings=*/0,
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/*gpu_settings=*/gpu_settings));
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EXPECT_EQ(ReportDelegateSettings(&context, &delegate, *tflite_settings_ptr),
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kTfLiteOk);
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EXPECT_EQ(profiler.NumRecordedEvents(), 1);
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// Also report status to simulate typical use-case.
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DelegateStatus status(kDummySource, kDummyCode);
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EXPECT_EQ(ReportDelegateStatus(&context, &delegate, status), kTfLiteOk);
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EXPECT_EQ(ReportDelegateStatus(&context, &delegate, status), kTfLiteOk);
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EXPECT_EQ(profiler.NumRecordedEvents(), 3);
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}
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} // namespace
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} // namespace delegates
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} // namespace tflite
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