tracefile.cc

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#include "systemc/utils/tracefile.hh"
 
#include <ctime>
#include <iomanip>
 
#include "systemc/core/scheduler.hh"
#include "systemc/core/time.hh"
#include "systemc/ext/core/sc_main.hh"
#include "systemc/ext/core/sc_time.hh"
#include "systemc/ext/utils/functions.hh"
 
namespace sc_gem5
{
 
TraceFile::TraceFile(const std::string &name) :
    _os(gem5::simout.create(name, true, true)), timeUnitTicks(0),
    timeUnitValue(0.0), timeUnitUnit(::sc_core::SC_PS), _traceDeltas(false)
{
    ::sc_gem5::scheduler.registerTraceFile(this);
}
 
TraceFile::~TraceFile()
{
    ::sc_gem5::scheduler.unregisterTraceFile(this);
    gem5::simout.close(_os);
}
 
std::ostream &TraceFile::stream() { return *_os->stream(); }
 
void
TraceFile::set_time_unit(double d, ::sc_core::sc_time_unit tu)
{
    timeUnitValue = d;
    timeUnitUnit = tu;
 
    double secs = d * TimeUnitScale[tu];
    for (tu = ::sc_core::SC_SEC; tu > ::sc_core::SC_FS;
            tu = (::sc_core::sc_time_unit)(tu - 1)) {
        if (TimeUnitScale[tu] <= secs)
            break;
    }
 
    uint64_t i = static_cast<uint64_t>(secs / TimeUnitScale[tu]);
    std::ostringstream ss;
    ss << i << " " << TimeUnitNames[tu] << " (" << _os->name() << ")";
    SC_REPORT_INFO("(I703) tracing timescale unit set", ss.str().c_str());
}
 
void
TraceFile::finalizeTime()
{
    ::sc_core::sc_time time;
    if (timeUnitValue == 0.0) {
        // The time scale was never set. Use the global time resolution.
        time = ::sc_core::sc_get_time_resolution();
    } else {
        time = ::sc_core::sc_time(timeUnitValue, timeUnitUnit);
    }
    timeUnitTicks = time.value();
}
 
} // namespace sc_gem5