gem5  v20.1.0.0
tracefile.cc
Go to the documentation of this file.
1 /*
2  * Copyright 2018 Google, Inc.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are
6  * met: redistributions of source code must retain the above copyright
7  * notice, this list of conditions and the following disclaimer;
8  * redistributions in binary form must reproduce the above copyright
9  * notice, this list of conditions and the following disclaimer in the
10  * documentation and/or other materials provided with the distribution;
11  * neither the name of the copyright holders nor the names of its
12  * contributors may be used to endorse or promote products derived from
13  * this software without specific prior written permission.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
29 
30 #include <ctime>
31 #include <iomanip>
32 
33 #include "base/output.hh"
34 #include "sim/core.hh"
35 #include "systemc/core/time.hh"
39 
40 namespace sc_gem5
41 {
42 
43 TraceFile::TraceFile(const std::string &name) :
44  _os(simout.create(name, true, true)), timeUnitTicks(0),
45  timeUnitValue(0.0), timeUnitUnit(::sc_core::SC_PS), _traceDeltas(false)
46 {}
47 
49 {
50  simout.close(_os);
51 }
52 
53 std::ostream &TraceFile::stream() { return *_os->stream(); }
54 
55 void
57 {
58  timeUnitValue = d;
59  timeUnitUnit = tu;
60 
61  double secs = d * TimeUnitScale[tu];
63  tu = (::sc_core::sc_time_unit)(tu - 1)) {
64  if (TimeUnitScale[tu] <= secs)
65  break;
66  }
67 
68  uint64_t i = static_cast<uint64_t>(secs / TimeUnitScale[tu]);
69  std::ostringstream ss;
70  ss << i << " " << TimeUnitNames[tu] << " (" << _os->name() << ")";
71  SC_REPORT_INFO("(I703) tracing timescale unit set", ss.str().c_str());
72 }
73 
74 void
76 {
77  ::sc_core::sc_time time;
78  if (timeUnitValue == 0.0) {
79  // The time scale was never set. Use the global time resolution.
81  } else {
83  }
84  timeUnitTicks = time.value();
85 }
86 
87 } // namespace sc_gem5
MipsISA::tu
Bitfield< 30, 28 > tu
Definition: pra_constants.hh:249
sc_gem5::TimeUnitScale
double TimeUnitScale[]
Definition: time.cc:53
ArmISA::i
Bitfield< 7 > i
Definition: miscregs_types.hh:63
sc_core::SC_FS
@ SC_FS
Definition: sc_time.hh:41
sc_gem5::TraceFile::finalizeTime
void finalizeTime()
Definition: tracefile.cc:75
sc_core
Definition: messages.cc:31
sc_core::sc_time_unit
sc_time_unit
Definition: sc_time.hh:40
OutputStream::name
const std::string & name() const
Get the file name in the output directory.
Definition: output.hh:70
tracefile.hh
functions.hh
output.hh
sc_gem5::TraceFile::~TraceFile
~TraceFile()
Definition: tracefile.cc:48
sc_gem5::TraceFile::timeUnitTicks
uint64_t timeUnitTicks
Definition: tracefile.hh:194
time.hh
ArmISA::ss
Bitfield< 21 > ss
Definition: miscregs_types.hh:56
OutputStream::stream
std::ostream * stream() const
Get the output underlying output stream.
Definition: output.hh:59
ArmISA::d
Bitfield< 9 > d
Definition: miscregs_types.hh:60
sc_gem5::TraceFile::TraceFile
TraceFile(const std::string &name)
Definition: tracefile.cc:43
sc_main.hh
sc_core::sc_time
Definition: sc_time.hh:49
sc_core::sc_time::value
sc_dt::uint64 value() const
Definition: sc_time.cc:115
OutputDirectory::close
void close(OutputStream *file)
Closes an output file and free the corresponding OutputFile.
Definition: output.cc:146
sc_gem5::TraceFile::_os
OutputStream * _os
Definition: tracefile.hh:193
sc_core::SC_SEC
@ SC_SEC
Definition: sc_time.hh:46
sc_gem5::TimeUnitNames
const char * TimeUnitNames[]
Definition: time.cc:35
core.hh
name
const std::string & name()
Definition: trace.cc:50
SC_REPORT_INFO
#define SC_REPORT_INFO(msg_type, msg)
Definition: sc_report_handler.hh:119
sc_core::SC_PS
@ SC_PS
Definition: sc_time.hh:42
sc_core::sc_get_time_resolution
sc_time sc_get_time_resolution()
Definition: sc_time.cc:339
sc_gem5::TraceFile::stream
std::ostream & stream()
Definition: tracefile.cc:53
sc_gem5::TraceFile::set_time_unit
void set_time_unit(double, ::sc_core::sc_time_unit) override
Definition: tracefile.cc:56
sc_gem5
Definition: sc_clock.cc:42
simout
OutputDirectory simout
Definition: output.cc:61
sc_time.hh
sc_gem5::TraceFile::timeUnitValue
double timeUnitValue
Definition: tracefile.hh:195
sc_gem5::TraceFile::timeUnitUnit
::sc_core::sc_time_unit timeUnitUnit
Definition: tracefile.hh:196

Generated on Wed Sep 30 2020 14:02:18 for gem5 by doxygen 1.8.17