dwTraceNode.hpp

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#ifndef DW_FRAMEWORK_TRACE_NODE_H_
#define DW_FRAMEWORK_TRACE_NODE_H_
 
#include <dwcgf/node/Node.hpp>
#include <dwcgf/parameter/ParameterDescriptor.hpp>
#include <dwcgf/pass/PassDescriptor.hpp>
#include <dwcgf/port/Port.hpp>
#include <dwcgf/port/PortDescriptor.hpp>
/* Need to include the appropriate ChannelPacketTypes.hpp since port initialization requires
   the parameter_trait overrides. Otherwise, it will be considered as a packet of generic type. */
#include <dwframework/dwnodes/common/ChannelPacketTypes.hpp>
 
namespace dw
{
namespace framework
{
 
using dwTraceNodeParams = struct dwTraceNodeParams
{
    // Use this flag when traces are deterministic. When there is uncontrollably large amount of trace(Ex. DW Channel traces),
    // it is good to disable this flag. After disabling this flag traces won't be dropped.
    bool stmControlTracing;
    // DWTrace supports total 32 channels. Following mask allows to enable/disable specific channels.
    // Only Enabled channels allocated buffers for their channel. This value must match channelMask provided to dwTraceCollectorNode.
    uint32_t channelMask;
    // Max trace limit that a channel can handle per epoch.
    uint32_t maxTracesPerChPerEpoch;
};
 
class dwTraceNode : public ExceptionSafeProcessNode
{
public:
    static constexpr char LOG_TAG[] = "dwTraceNode";
 
    static constexpr auto describeInputPorts()
    {
        return describePortCollection();
    }
 
    static constexpr auto describeOutputPorts()
    {
        return describePortCollection(
            DW_DESCRIBE_PORT(dwTraceNodeData, "TRACE"_sv, PortBinding::REQUIRED));
    }
 
    static constexpr auto describePasses()
    {
        return describePassCollection(
            describePass("SETUP"_sv, DW_PROCESSOR_TYPE_CPU),
            describePass("PASS_PROCESS"_sv, DW_PROCESSOR_TYPE_CPU),
            describePass("TEARDOWN"_sv, DW_PROCESSOR_TYPE_CPU));
    }
 
    static constexpr auto describeParameters()
    {
        return describeConstructorArguments<dwTraceNodeParams, dwContextHandle_t>(
            describeConstructorArgument(
                DW_DESCRIBE_PARAMETER(
                    bool,
                    "stmControlTracing"_sv,
                    &dwTraceNodeParams::stmControlTracing),
                DW_DESCRIBE_PARAMETER(
                    uint32_t,
                    "channelMask"_sv,
                    &dwTraceNodeParams::channelMask),
                DW_DESCRIBE_PARAMETER(
                    uint32_t,
                    "maxTracesPerChPerEpoch"_sv,
                    &dwTraceNodeParams::maxTracesPerChPerEpoch)),
            describeConstructorArgument(
                DW_DESCRIBE_UNNAMED_PARAMETER(
                    dwContextHandle_t)));
    }
 
    static std::unique_ptr<dwTraceNode> create(ParameterProvider& provider);
 
    dwTraceNode(const dwTraceNodeParams& params, const dwContextHandle_t ctx); // context handle is not required in this node
};
 
} // namespace framework
} // namespace dw
 
#endif // DW_FRAMEWORK_TRACE_NODE_H_