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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include <boost/test/unit_test.hpp>
#include <boost/test/output_test_stream.hpp>
#include <boost/algorithm/string.hpp>
#include <memory>
#include <thread>
#include <armnn/TypesUtils.hpp>
#include <Profiling.hpp>
namespace armnn
{
size_t GetProfilerEventSequenceSize(armnn::Profiler* profiler)
{
if (!profiler)
{
return static_cast<size_t>(-1);
}
return profiler->m_EventSequence.size();
}
} // namespace armnn
namespace
{
void RegisterUnregisterProfilerSingleThreadImpl()
{
// Important! Regular assertions must be used in this function for testing (rather than
// BOOST_TEST macros) otherwise multi-threading tests would randomly fail.
// Get a reference to the profiler manager.
armnn::ProfilerManager& profilerManager = armnn::ProfilerManager::GetInstance();
// Check that there's no profiler registered for this thread.
assert(!profilerManager.GetProfiler());
// Create and register a profiler for this thread.
std::unique_ptr<armnn::Profiler> profiler = std::make_unique<armnn::Profiler>();
profilerManager.RegisterProfiler(profiler.get());
// Check that on a single thread we get the same profiler we registered.
assert(profiler.get() == profilerManager.GetProfiler());
// Destroy the profiler.
profiler.reset();
// Check that the profiler has been un-registered for this thread.
assert(!profilerManager.GetProfiler());
}
} // namespace
BOOST_AUTO_TEST_SUITE(Profiler)
BOOST_AUTO_TEST_CASE(EnableDisableProfiling)
{
std::unique_ptr<armnn::Profiler> profiler = std::make_unique<armnn::Profiler>();
// Check that profiling is disabled by default.
BOOST_TEST(!profiler->IsProfilingEnabled());
// Enable profiling.
profiler->EnableProfiling(true);
// Check that profiling is enabled.
BOOST_TEST(profiler->IsProfilingEnabled());
// Disable profiling.
profiler->EnableProfiling(false);
// Check that profiling is disabled.
BOOST_TEST(!profiler->IsProfilingEnabled());
}
BOOST_AUTO_TEST_CASE(RegisterUnregisterProfilerSingleThread)
{
RegisterUnregisterProfilerSingleThreadImpl();
}
BOOST_AUTO_TEST_CASE(RegisterUnregisterProfilerMultipleThreads)
{
std::thread thread1([]() { RegisterUnregisterProfilerSingleThreadImpl(); });
std::thread thread2([]() { RegisterUnregisterProfilerSingleThreadImpl(); });
std::thread thread3([]() { RegisterUnregisterProfilerSingleThreadImpl(); });
thread1.join();
thread2.join();
thread3.join();
}
BOOST_AUTO_TEST_CASE(ProfilingMacros)
{
// Get a reference to the profiler manager.
armnn::ProfilerManager& profilerManager = armnn::ProfilerManager::GetInstance();
{ // --- No profiler ---
// Check that there's no profiler registered for this thread.
BOOST_TEST(!profilerManager.GetProfiler());
// Test scoped event.
{ ARMNN_SCOPED_PROFILING_EVENT(armnn::Compute::CpuAcc, "test"); }
// Check that we still cannot get a profiler for this thread.
BOOST_TEST(!profilerManager.GetProfiler());
}
// Create and register a profiler for this thread.
std::unique_ptr<armnn::Profiler> profiler = std::make_unique<armnn::Profiler>();
profilerManager.RegisterProfiler(profiler.get());
{ // --- Profiler, but profiling disabled ---
// Get current event sequence size.
size_t eventSequenceSizeBefore = armnn::GetProfilerEventSequenceSize(profiler.get());
// Test scoped macro.
{ ARMNN_SCOPED_PROFILING_EVENT(armnn::Compute::CpuAcc, "test"); }
// Check that no profiling event has been added to the sequence.
size_t eventSequenceSizeAfter = armnn::GetProfilerEventSequenceSize(profiler.get());
BOOST_TEST(eventSequenceSizeBefore == eventSequenceSizeAfter);
}
// Enable profiling.
profiler->EnableProfiling(true);
{ // --- Profiler, and profiling enabled ---
// Get current event sequence size.
size_t eventSequenceSizeBefore = armnn::GetProfilerEventSequenceSize(profiler.get());
// Test scoped macro.
{ ARMNN_SCOPED_PROFILING_EVENT(armnn::Compute::CpuAcc, "test"); }
// Check that a profiling event has been added to the sequence.
size_t eventSequenceSizeAfter = armnn::GetProfilerEventSequenceSize(profiler.get());
BOOST_TEST(eventSequenceSizeAfter == eventSequenceSizeBefore + 1);
}
// Disable profiling here to not print out anything on stdout.
profiler->EnableProfiling(false);
}
BOOST_AUTO_TEST_CASE(RuntimeLoadNetwork)
{
// Get a reference to the profiler manager.
armnn::ProfilerManager& profilerManager = armnn::ProfilerManager::GetInstance();
// Check that there's no profiler registered for this thread.
BOOST_TEST(!profilerManager.GetProfiler());
// Build a mock-network and load it into the runtime.
armnn::IRuntime::CreationOptions options;
armnn::IRuntimePtr runtime(armnn::IRuntime::Create(options));
armnn::NetworkId networkIdentifier = 1;
armnn::INetworkPtr mockNetwork(armnn::INetwork::Create());
mockNetwork->AddInputLayer(0, "test layer");
std::vector<armnn::Compute> backends = { armnn::Compute::CpuRef };
runtime->LoadNetwork(networkIdentifier, armnn::Optimize(*mockNetwork, backends, runtime->GetDeviceSpec()));
// Check that now there's a profiler registered for this thread (created and registered by the loading the network).
BOOST_TEST(profilerManager.GetProfiler());
// Unload the network.
runtime->UnloadNetwork(networkIdentifier);
// Check that the profiler has been un-registered for this thread.
BOOST_TEST(!profilerManager.GetProfiler());
}
BOOST_AUTO_TEST_CASE(WriteEventResults)
{
// Get a reference to the profiler manager.
armnn::ProfilerManager& profileManager = armnn::ProfilerManager::GetInstance();
// Create and register a profiler for this thread.
std::unique_ptr<armnn::Profiler> profiler = std::make_unique<armnn::Profiler>();
profileManager.RegisterProfiler(profiler.get());
// Enable profiling.
profiler->EnableProfiling(true);
{ // --- Profiler, and profiling enabled ---
// Get current event sequence size.
size_t eventSequenceSizeBefore = armnn::GetProfilerEventSequenceSize(profiler.get());
// Test scoped macro.
{
// Need to directly create a ScopedProfilingEvent as the one created by the macro falls out of scope
// immediately causing the Event.Stop() function method to be called immediately after the Event.Start()
// function resulting in periodic test failures on the Dent and Smith HiKeys
armnn::ScopedProfilingEvent testEvent(armnn::Compute::CpuAcc, "test", armnn::WallClockTimer());
std::this_thread::sleep_for(std::chrono::milliseconds(10));
}
// Check that a profiling event has been added to the sequence.
size_t eventSequenceSizeAfter = armnn::GetProfilerEventSequenceSize(profiler.get());
BOOST_TEST(eventSequenceSizeAfter == eventSequenceSizeBefore + 1);
boost::test_tools::output_test_stream output;
profiler->AnalyzeEventsAndWriteResults(output);
BOOST_TEST(!output.is_empty(false));
// output should contain event name 'test'
BOOST_CHECK(boost::contains(output.str(), "test"));
// output should contain headers
BOOST_CHECK(boost::contains(output.str(), "Event Sequence - Name"));
BOOST_CHECK(boost::contains(output.str(), "Event Stats - Name"));
BOOST_CHECK(boost::contains(output.str(), "Total"));
BOOST_CHECK(boost::contains(output.str(), "Device"));
// output should contain compute device 'CpuAcc'
BOOST_CHECK(boost::contains(output.str(), "CpuAcc"));
// output should not contain un-readable numbers
BOOST_CHECK(!(boost::contains(output.str(), "e+")));
// output should not contain un-readable numbers
BOOST_CHECK(!(boost::contains(output.str(), "+")));
// output should not contain zero value
BOOST_CHECK(!(boost::contains(output.str(), " 0 ")));
}
// Disable profiling here to not print out anything on stdout.
profiler->EnableProfiling(false);
}
BOOST_AUTO_TEST_SUITE_END()
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