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//
// Copyright © 2019 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "ConnectionAcknowledgedCommandHandler.hpp"
#include "TimelineUtilityMethods.hpp"
#include <armnn/Exceptions.hpp>
#include <fmt/format.h>
namespace arm
{
namespace pipe
{
void ConnectionAcknowledgedCommandHandler::operator()(const arm::pipe::Packet& packet)
{
ProfilingState currentState = m_StateMachine.GetCurrentState();
switch (currentState)
{
case ProfilingState::Uninitialised:
case ProfilingState::NotConnected:
throw armnn::RuntimeException(fmt::format("Connection Acknowledged Command Handler invoked while in an "
"wrong state: {}",
GetProfilingStateName(currentState)));
case ProfilingState::WaitingForAck:
// Process the packet
if (!(packet.GetPacketFamily() == 0u && packet.GetPacketId() == 1u))
{
throw armnn::InvalidArgumentException(fmt::format("Expected Packet family = 0, id = 1 but "
"received family = {}, id = {}",
packet.GetPacketFamily(),
packet.GetPacketId()));
}
// Once a Connection Acknowledged packet has been received, move to the Active state immediately
m_StateMachine.TransitionToState(ProfilingState::Active);
// Send the counter directory packet.
m_SendCounterPacket.SendCounterDirectoryPacket(m_CounterDirectory);
if (m_TimelineEnabled)
{
m_SendTimelinePacket.SendTimelineMessageDirectoryPackage();
TimelineUtilityMethods::SendWellKnownLabelsAndEventClasses(m_SendTimelinePacket);
}
if (m_BackendProfilingContext.has_value())
{
for (auto backendContext : m_BackendProfilingContext.value())
{
// Enable profiling on the backend and assert that it returns true
if(!backendContext.second->EnableProfiling(true))
{
throw armnn::BackendProfilingException(
"Unable to enable profiling on Backend Id: " + backendContext.first.Get());
}
}
}
// At this point signal any external processes waiting on the profiling system
// to come up that profiling is fully active
m_ProfilingServiceStatus.NotifyProfilingServiceActive();
break;
case ProfilingState::Active:
return; // NOP
default:
throw armnn::RuntimeException(fmt::format("Unknown profiling service state: {}",
static_cast<int>(currentState)));
}
}
} // namespace pipe
} // namespace arm
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