9394966102
ATrace profiler is included in Android library always. To enable ATrace profiler when running app, users need to set 'debug.tflite.trace' property. $ adb shell setprop debug.tflite.trace 1 PiperOrigin-RevId: 328684900 Change-Id: I3fa9511a58e9055c3c4d371f904daf8c530abcf4
123 lines
4.2 KiB
C++
123 lines
4.2 KiB
C++
/* Copyright 2018 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/profiling/profile_buffer.h"
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#include <cstdint>
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#include <string>
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#include <vector>
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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namespace tflite {
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namespace profiling {
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namespace {
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std::vector<const ProfileEvent*> GetProfileEvents(const ProfileBuffer& buffer) {
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std::vector<const ProfileEvent*> events;
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for (size_t i = 0; i < buffer.Size(); i++) {
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events.push_back(buffer.At(i));
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}
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return events;
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}
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TEST(ProfileBufferTest, Empty) {
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ProfileBuffer buffer(/*max_size*/ 0, /*enabled*/ true);
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EXPECT_EQ(0, buffer.Size());
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}
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TEST(ProfileBufferTest, AddEvent) {
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ProfileBuffer buffer(/*max_size*/ 10, /*enabled*/ true);
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EXPECT_EQ(0, buffer.Size());
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auto event_handle =
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buffer.BeginEvent("hello", ProfileEvent::EventType::DEFAULT,
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/*event_metadata1*/ 42, /*event_metadata2*/ 0);
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EXPECT_GE(event_handle, 0);
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EXPECT_EQ(1, buffer.Size());
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auto event = GetProfileEvents(buffer)[0];
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EXPECT_EQ(event->tag, "hello");
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EXPECT_GT(event->begin_timestamp_us, 0);
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EXPECT_EQ(event->event_type, ProfileEvent::EventType::DEFAULT);
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EXPECT_EQ(event->event_metadata, 42);
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buffer.EndEvent(event_handle);
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EXPECT_EQ(1, buffer.Size());
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EXPECT_GE(event->end_timestamp_us, event->begin_timestamp_us);
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}
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TEST(ProfileBufferTest, EndEventWithMetadata) {
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ProfileBuffer buffer(/*max_size*/ 10, /*enabled*/ true);
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EXPECT_EQ(0, buffer.Size());
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auto event_handle =
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buffer.BeginEvent("hello", ProfileEvent::EventType::DEFAULT,
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/*event_metadata1*/ 42, /*event_metadata2*/ 0);
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const int64_t kEventMetadata1 = 18;
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const int64_t kEventMetadata2 = 36;
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buffer.EndEvent(event_handle, &kEventMetadata1, &kEventMetadata2);
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EXPECT_GE(event_handle, 0);
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EXPECT_EQ(1, buffer.Size());
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auto event = GetProfileEvents(buffer)[0];
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EXPECT_EQ(event->tag, "hello");
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EXPECT_GT(event->begin_timestamp_us, 0);
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EXPECT_EQ(event->event_type, ProfileEvent::EventType::DEFAULT);
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EXPECT_EQ(event->event_metadata, kEventMetadata1);
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EXPECT_EQ(event->extra_event_metadata, kEventMetadata2);
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EXPECT_EQ(1, buffer.Size());
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EXPECT_GE(event->end_timestamp_us, event->begin_timestamp_us);
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}
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TEST(ProfileBufferTest, OverFlow) {
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const int max_size = 4;
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ProfileBuffer buffer{max_size, true};
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std::vector<std::string> eventNames = {"first", "second", "third", "fourth"};
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for (int i = 0; i < 2 * max_size; i++) {
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buffer.BeginEvent(eventNames[i % 4].c_str(),
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ProfileEvent::EventType::DEFAULT, i, 0);
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size_t expected_size = std::min(i + 1, max_size);
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EXPECT_EQ(expected_size, buffer.Size());
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}
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EXPECT_EQ(max_size, buffer.Size());
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for (size_t j = 0; j < buffer.Size(); ++j) {
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auto event = buffer.At(j);
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EXPECT_EQ(eventNames[j % 4], event->tag);
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EXPECT_EQ(ProfileEvent::EventType::DEFAULT, event->event_type);
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EXPECT_EQ(j, event->event_metadata);
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}
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}
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TEST(ProfileBufferTest, Enable) {
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ProfileBuffer buffer(/*max_size*/ 10, /*enabled*/ false);
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EXPECT_EQ(0, buffer.Size());
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auto event_handle =
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buffer.BeginEvent("hello", ProfileEvent::EventType::DEFAULT,
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/*event_metadata1*/ 42, /*event_metadata2*/ 0);
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EXPECT_EQ(kInvalidEventHandle, event_handle);
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EXPECT_EQ(0, buffer.Size());
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buffer.SetEnabled(true);
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event_handle =
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buffer.BeginEvent("hello", ProfileEvent::EventType::DEFAULT,
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/*event_metadata1*/ 42, /*event_metadata2*/ 0);
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EXPECT_GE(event_handle, 0);
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EXPECT_EQ(1, buffer.Size());
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}
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} // namespace
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} // namespace profiling
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} // namespace tflite
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