tracefile.cc revision 13256
113245Sgabeblack@google.com/* 213245Sgabeblack@google.com * Copyright 2018 Google, Inc. 313245Sgabeblack@google.com * 413245Sgabeblack@google.com * Redistribution and use in source and binary forms, with or without 513245Sgabeblack@google.com * modification, are permitted provided that the following conditions are 613245Sgabeblack@google.com * met: redistributions of source code must retain the above copyright 713245Sgabeblack@google.com * notice, this list of conditions and the following disclaimer; 813245Sgabeblack@google.com * redistributions in binary form must reproduce the above copyright 913245Sgabeblack@google.com * notice, this list of conditions and the following disclaimer in the 1013245Sgabeblack@google.com * documentation and/or other materials provided with the distribution; 1113245Sgabeblack@google.com * neither the name of the copyright holders nor the names of its 1213245Sgabeblack@google.com * contributors may be used to endorse or promote products derived from 1313245Sgabeblack@google.com * this software without specific prior written permission. 1413245Sgabeblack@google.com * 1513245Sgabeblack@google.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1613245Sgabeblack@google.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1713245Sgabeblack@google.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1813245Sgabeblack@google.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1913245Sgabeblack@google.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2013245Sgabeblack@google.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2113245Sgabeblack@google.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2213245Sgabeblack@google.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2313245Sgabeblack@google.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2413245Sgabeblack@google.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2513245Sgabeblack@google.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2613245Sgabeblack@google.com * 2713245Sgabeblack@google.com * Authors: Gabe Black 2813245Sgabeblack@google.com */ 2913245Sgabeblack@google.com 3013245Sgabeblack@google.com#include "systemc/utils/tracefile.hh" 3113245Sgabeblack@google.com 3213245Sgabeblack@google.com#include <ctime> 3313245Sgabeblack@google.com#include <iomanip> 3413245Sgabeblack@google.com 3513245Sgabeblack@google.com#include "base/logging.hh" 3613245Sgabeblack@google.com#include "base/output.hh" 3713245Sgabeblack@google.com#include "sim/core.hh" 3813253Sgabeblack@google.com#include "systemc/core/time.hh" 3913245Sgabeblack@google.com#include "systemc/ext/core/sc_main.hh" 4013256Sgabeblack@google.com#include "systemc/ext/core/sc_time.hh" 4113245Sgabeblack@google.com#include "systemc/ext/utils/functions.hh" 4213245Sgabeblack@google.com 4313245Sgabeblack@google.comnamespace sc_gem5 4413245Sgabeblack@google.com{ 4513245Sgabeblack@google.com 4613245Sgabeblack@google.comTraceFile::TraceFile(const std::string &name) : 4713245Sgabeblack@google.com _os(simout.create(name, true, true)), timeUnitTicks(0), 4813256Sgabeblack@google.com timeUnitValue(0.0), timeUnitUnit(::sc_core::SC_PS), _traceDeltas(false) 4913245Sgabeblack@google.com{} 5013245Sgabeblack@google.com 5113245Sgabeblack@google.comTraceFile::~TraceFile() 5213245Sgabeblack@google.com{ 5313245Sgabeblack@google.com simout.close(_os); 5413245Sgabeblack@google.com} 5513245Sgabeblack@google.com 5613245Sgabeblack@google.comstd::ostream &TraceFile::stream() { return *_os->stream(); } 5713245Sgabeblack@google.com 5813245Sgabeblack@google.comvoid 5913245Sgabeblack@google.comTraceFile::set_time_unit(double d, ::sc_core::sc_time_unit tu) 6013245Sgabeblack@google.com{ 6113245Sgabeblack@google.com timeUnitValue = d; 6213245Sgabeblack@google.com timeUnitUnit = tu; 6313253Sgabeblack@google.com 6413253Sgabeblack@google.com double secs = d * TimeUnitScale[tu]; 6513253Sgabeblack@google.com for (tu = ::sc_core::SC_SEC; tu > ::sc_core::SC_FS; 6613253Sgabeblack@google.com tu = (::sc_core::sc_time_unit)(tu - 1)) { 6713253Sgabeblack@google.com if (TimeUnitScale[tu] <= secs) 6813253Sgabeblack@google.com break; 6913253Sgabeblack@google.com } 7013253Sgabeblack@google.com 7113253Sgabeblack@google.com uint64_t i = static_cast<uint64_t>(secs / TimeUnitScale[tu]); 7213253Sgabeblack@google.com std::ostringstream ss; 7313253Sgabeblack@google.com ss << i << " " << TimeUnitNames[tu] << " (" << _os->name() << ")"; 7413253Sgabeblack@google.com SC_REPORT_INFO("(I703) tracing timescale unit set", ss.str().c_str()); 7513245Sgabeblack@google.com} 7613245Sgabeblack@google.com 7713245Sgabeblack@google.comvoid 7813245Sgabeblack@google.comTraceFile::finalizeTime() 7913245Sgabeblack@google.com{ 8013256Sgabeblack@google.com ::sc_core::sc_time time; 8113256Sgabeblack@google.com if (timeUnitValue == 0.0) { 8213256Sgabeblack@google.com // The time scale was never set. Use the global time resolution. 8313256Sgabeblack@google.com time = ::sc_core::sc_get_time_resolution(); 8413256Sgabeblack@google.com } else { 8513256Sgabeblack@google.com time = ::sc_core::sc_time(timeUnitValue, timeUnitUnit); 8613256Sgabeblack@google.com } 8713256Sgabeblack@google.com timeUnitTicks = time.value(); 8813245Sgabeblack@google.com} 8913245Sgabeblack@google.com 9013245Sgabeblack@google.com} // namespace sc_gem5 91