#!/usr/bin/env python3 # Copyright © 2019-2023 # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import sys import argparse import csv import re def parse_args(): parser = argparse.ArgumentParser(description='CPU trace log to CSV format converter.') parser.add_argument('-t', '--type', default='simx', help='log type (rtlsim or simx)') parser.add_argument('-o', '--csv', default='trace.csv', help='Output CSV file') parser.add_argument('log', help='Input log file') return parser.parse_args() def parse_simx(log_filename): pc_pattern = r"PC=(0x[0-9a-fA-F]+)" instr_pattern = r"Instr (0x[0-9a-fA-F]+):" opcode_pattern = r"Instr 0x[0-9a-fA-F]+: ([0-9a-zA-Z_\.]+)" core_id_pattern = r"cid=(\d+)" warp_id_pattern = r"wid=(\d+)" tmask_pattern = r"tmask=(\d+)" operands_pattern = r"Src\d+ Reg: (.+)" destination_pattern = r"Dest Reg: (.+)" uuid_pattern = r"#(\d+)" entries = [] with open(log_filename, 'r') as log_file: instr_data = None for lineno, line in enumerate(log_file, start=1): if line.startswith("DEBUG Fetch:"): if instr_data: entries.append(instr_data) instr_data = {} instr_data["lineno"] = lineno instr_data["PC"] = re.search(pc_pattern, line).group(1) instr_data["core_id"] = re.search(core_id_pattern, line).group(1) instr_data["warp_id"] = re.search(warp_id_pattern, line).group(1) instr_data["tmask"] = re.search(tmask_pattern, line).group(1) instr_data["uuid"] = re.search(uuid_pattern, line).group(1) elif line.startswith("DEBUG Instr"): instr_data["instr"] = re.search(instr_pattern, line).group(1) instr_data["opcode"] = re.search(opcode_pattern, line).group(1) elif line.startswith("DEBUG Src"): src_reg = re.search(operands_pattern, line).group(1) instr_data["operands"] = (instr_data["operands"] + ', ' + src_reg) if 'operands' in instr_data else src_reg elif line.startswith("DEBUG Dest"): instr_data["destination"] = re.search(destination_pattern, line).group(1) if instr_data: entries.append(instr_data) return entries def reverse_binary(bin_str): return bin_str[::-1] def bin_to_array(bin_str): return [int(bit) for bit in bin_str] def append_reg(text, value, sep): if sep: text += ", " ivalue = int(value) if (ivalue >= 32): text += "f" + str(ivalue % 32) else: text += "x" + value sep = True return text, sep def append_imm(text, value, sep): if sep: text += ", " text += value sep = True return text, sep def append_value(text, reg, value, tmask_arr, sep): text, sep = append_reg(text, reg, sep) text += "={" for i in range(len(tmask_arr)): if i != 0: text += ", " if tmask_arr[i]: text += value[i] else: text +="-" text += "}" return text, sep def parse_rtlsim(log_filename): line_pattern = r"\d+: core(\d+)-(decode|issue|commit)" pc_pattern = r"PC=(0x[0-9a-fA-F]+)" instr_pattern = r"instr=(0x[0-9a-fA-F]+)" ex_pattern = r"ex=([a-zA-Z]+)" op_pattern = r"op=([\?0-9a-zA-Z_\.]+)" warp_id_pattern = r"wid=(\d+)" tmask_pattern = r"tmask=(\d+)" wb_pattern = r"wb=(\d)" opds_pattern = r"opds=(\d+)" use_imm_pattern = r"use_imm=(\d)" imm_pattern = r"imm=(0x[0-9a-fA-F]+)" rd_pattern = r"rd=(\d+)" rs1_pattern = r"rs1=(\d+)" rs2_pattern = r"rs2=(\d+)" rs3_pattern = r"rs3=(\d+)" rs1_data_pattern = r"rs1_data=\{(.+?)\}" rs2_data_pattern = r"rs2_data=\{(.+?)\}" rs3_data_pattern = r"rs3_data=\{(.+?)\}" rd_data_pattern = r"data=\{(.+?)\}" eop_pattern = r"eop=(\d)" uuid_pattern = r"#(\d+)" entries = [] with open(log_filename, 'r') as log_file: instr_data = {} for lineno, line in enumerate(log_file, start=1): line_match = re.search(line_pattern, line) if line_match: PC = re.search(pc_pattern, line).group(1) warp_id = re.search(warp_id_pattern, line).group(1) tmask = re.search(tmask_pattern, line).group(1) uuid = re.search(uuid_pattern, line).group(1) core_id = line_match.group(1) stage = line_match.group(2) if stage == "decode": trace = {} trace["uuid"] = uuid trace["PC"] = PC trace["core_id"] = core_id trace["warp_id"] = warp_id trace["tmask"] = reverse_binary(tmask) trace["instr"] = re.search(instr_pattern, line).group(1) trace["opcode"] = re.search(op_pattern, line).group(1) trace["opds"] = bin_to_array(re.search(opds_pattern, line).group(1)) trace["rd"] = re.search(rd_pattern, line).group(1) trace["rs1"] = re.search(rs1_pattern, line).group(1) trace["rs2"] = re.search(rs2_pattern, line).group(1) trace["rs3"] = re.search(rs3_pattern, line).group(1) trace["use_imm"] = re.search(use_imm_pattern, line).group(1) == "1" trace["imm"] = re.search(imm_pattern, line).group(1) instr_data[uuid] = trace elif stage == "issue": if uuid in instr_data: trace = instr_data[uuid] trace["lineno"] = lineno opds = trace["opds"] if opds[1]: trace["rs1_data"] = re.search(rs1_data_pattern, line).group(1).split(', ')[::-1] if opds[2]: trace["rs2_data"] = re.search(rs2_data_pattern, line).group(1).split(', ')[::-1] if opds[3]: trace["rs3_data"] = re.search(rs3_data_pattern, line).group(1).split(', ')[::-1] trace["issued"] = True instr_data[uuid] = trace elif stage == "commit": if uuid in instr_data: trace = instr_data[uuid] if "issued" in trace: opds = trace["opds"] dst_tmask_arr = bin_to_array(tmask)[::-1] wb = re.search(wb_pattern, line).group(1) == "1" if wb: rd_data = re.search(rd_data_pattern, line).group(1).split(', ')[::-1] if 'rd_data' in trace: merged_rd_data = trace['rd_data'] for i in range(len(dst_tmask_arr)): if dst_tmask_arr[i] == 1: merged_rd_data[i] = rd_data[i] trace['rd_data'] = merged_rd_data else: trace['rd_data'] = rd_data instr_data[uuid] = trace eop = re.search(eop_pattern, line).group(1) == "1" if eop: tmask_arr = bin_to_array(trace["tmask"]) destination = '' if wb: destination, sep = append_value(destination, trace["rd"], trace['rd_data'], tmask_arr, False) del trace['rd_data'] trace["destination"] = destination operands = '' sep = False if opds[1]: operands, sep = append_value(operands, trace["rs1"], trace["rs1_data"], tmask_arr, sep) del trace["rs1_data"] if opds[2]: operands, sep = append_value(operands, trace["rs2"], trace["rs2_data"], tmask_arr, sep) del trace["rs2_data"] if opds[3]: operands, sep = append_value(operands, trace["rs3"], trace["rs3_data"], tmask_arr, sep) del trace["rs3_data"] trace["operands"] = operands del trace["opds"] del trace["rd"] del trace["rs1"] del trace["rs2"] del trace["rs3"] del trace["use_imm"] del trace["imm"] del trace["issued"] del instr_data[uuid] entries.append(trace) return entries def write_csv(log_filename, csv_filename, log_type): entries = None # parse log file if log_type == "rtlsim": entries = parse_rtlsim(log_filename) elif log_type == "simx": entries = parse_simx(log_filename) else: print('Error: invalid log type') sys.exit() # sort entries by uuid entries.sort(key=lambda x: (int(x['core_id']), int(x['warp_id']), int(x['lineno']))) for entry in entries: del entry['lineno'] # write to CSV with open(csv_filename, 'w', newline='') as csv_file: fieldnames = ["uuid", "PC", "opcode", "instr", "core_id", "warp_id", "tmask", "operands", "destination"] writer = csv.DictWriter(csv_file, fieldnames=fieldnames) writer.writeheader() for entry in entries: writer.writerow(entry) def main(): args = parse_args() write_csv(args.log, args.csv, args.type) if __name__ == "__main__": main()