ext/drampower/src/TraceParser.cc

/*
 * Copyright (c) 2012-2014, TU Delft
 * Copyright (c) 2012-2014, TU Eindhoven
 * Copyright (c) 2012-2014, TU Kaiserslautern
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * 1. Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Authors: Omar Naji
 *
 */
#include "TraceParser.h"

#include "CommandAnalysis.h"
#include "CmdScheduler.h"

using namespace Data;
using namespace std;

TraceParser::TraceParser(const MemorySpecification& memSpec) :
  counters(memSpec)
{
}


Data::MemCommand TraceParser::parseLine(std::string line)
{
  MemCommand memcmd(MemCommand::UNINITIALIZED, 0, 0);
  istringstream linestream(line);
  string item;
  int64_t item_val;
  unsigned itemnum = 0;

  while (getline(linestream, item, ',')) {
    if (itemnum == 0) {
      stringstream timestamp(item);
      timestamp >> item_val;
      memcmd.setTime(item_val);
    } else if (itemnum == 1) {
      item_val = MemCommand::getTypeFromName(item);
      memcmd.setType(static_cast<MemCommand::cmds>(item_val));
    } else if (itemnum == 2) {
      stringstream bank(item);
      bank >> item_val;
      memcmd.setBank(static_cast<unsigned>(item_val));
    }
    itemnum++;
  }
  return memcmd;
} // TraceParser::parseLine

void TraceParser::parseFile(MemorySpecification memSpec, std::ifstream& trace,
                            int window, int grouping,  int interleaving, int burst,
                            int powerdown, int trans)
{
  ifstream pwr_trace;

  counters = CommandAnalysis(memSpec);
  int  nCommands  = 0;
  bool lastupdate = false;
  if (trans) {
    cmdScheduler cmdsched;
    cmdsched.transTranslation(memSpec, trace, grouping, interleaving, burst, powerdown);
    pwr_trace.open("commands.trace", ifstream::in);
    std::string line;
    while (getline(pwr_trace, line)) {
      MemCommand cmdline = parseLine(line);
      cmd_list.push_back(cmdline);
      nCommands++;
      if (nCommands == window) {
        counters.getCommands(cmd_list, lastupdate);
        nCommands = 0;
        cmd_list.clear();
      }
    }
    lastupdate = true;
    counters.getCommands(cmd_list, lastupdate);
    cmd_list.clear();
    pwr_trace.close();
  } else   {
    std::string line;
    while (getline(trace, line)) {
      MemCommand cmdline = parseLine(line);
      cmd_list.push_back(cmdline);
      nCommands++;
      if (nCommands == window) {
        counters.getCommands(cmd_list, lastupdate);
        nCommands = 0;
        cmd_list.clear();
      }
    }
    lastupdate = true;
    counters.getCommands(cmd_list, lastupdate);
    cmd_list.clear();
  }
  counters.clear();
  trace.close();
} // TraceParser::parseFile