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Support time unit definition for trace based workloads #23

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Support time unit definition for trace based workloads #23

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4 changes: 4 additions & 0 deletions src/host/ASCII_Trace_Definition.h
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Original file line number Diff line number Diff line change
Expand Up @@ -17,5 +17,9 @@ enum class Trace_Time_Unit { PICOSECOND, NANOSECOND, MICROSECOND};//The unit of
#define ASCIILineDelimiter ' '
#define ASCIIItemsPerLine 5

#define PicoSec2SimTimeCoeff 1000
#define NanoSec2SimTimeCoeff 1
#define MicroSec2SimTimeCoeff 1000

#endif // !ASCII_TRACE_DEFINITION_H

38 changes: 35 additions & 3 deletions src/host/IO_Flow_Trace_Based.cpp
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Expand Up @@ -98,12 +98,28 @@ namespace Host_Components
else
total_requests_to_be_generated = total_requests_in_file * total_replay_no;

sim_time_type curFireTime = 0;
trace_file.open(trace_file_path);
current_trace_line.clear();
std::getline(trace_file, trace_line);
Utils::Helper_Functions::Remove_cr(trace_line);
Utils::Helper_Functions::Tokenize(trace_line, ASCIILineDelimiter, current_trace_line);
Simulator->Register_sim_event(std::strtoll(current_trace_line[ASCIITraceTimeColumn].c_str(), &pEnd, 10), this);
curFireTime = std::strtoll(current_trace_line[ASCIITraceTimeColumn].c_str(), &pEnd, 10);
//convert trace time to simulator time
switch(time_unit){
case Trace_Time_Unit::PICOSECOND:
curFireTime = curFireTime / PicoSec2SimTimeCoeff;
break;
case Trace_Time_Unit::NANOSECOND:
curFireTime = curFireTime * NanoSec2SimTimeCoeff;
break;
case Trace_Time_Unit::MICROSECOND:
curFireTime = curFireTime * MicroSec2SimTimeCoeff;
break;
default:
PRINT_ERROR("Unexpected Trace Time Unit!")
}
Simulator->Register_sim_event(curFireTime, this);
}

void IO_Flow_Trace_Based::Validate_simulation_config()
Expand Down Expand Up @@ -138,7 +154,23 @@ namespace Host_Components
PRINT_MESSAGE("* Replay round "<< replay_counter << "of "<< total_replay_no << " started for" << ID())
}
char* pEnd;
Simulator->Register_sim_event(time_offset + std::strtoll(current_trace_line[ASCIITraceTimeColumn].c_str(), &pEnd, 10), this);
sim_time_type curFireTime = 0;
curFireTime = std::strtoll(current_trace_line[ASCIITraceTimeColumn].c_str(), &pEnd, 10);
//convert trace time to simulator time
switch(time_unit){
case Trace_Time_Unit::PICOSECOND:
curFireTime = curFireTime / PicoSec2SimTimeCoeff;
break;
case Trace_Time_Unit::NANOSECOND:
curFireTime = curFireTime * NanoSec2SimTimeCoeff;
break;
case Trace_Time_Unit::MICROSECOND:
curFireTime = curFireTime * MicroSec2SimTimeCoeff;
break;
default:
PRINT_ERROR("Unexpected Trace Time Unit!")
}
Simulator->Register_sim_event(curFireTime, this);
}
}

Expand Down Expand Up @@ -276,4 +308,4 @@ namespace Host_Components
stats.Initial_occupancy_ratio = initial_occupancy_ratio;
stats.Replay_no = total_replay_no;
}
}
}