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How to use get_kernel_information method in lisa

Best Python code snippet using lisa_python

gpu_tracegen.py

Source:gpu_tracegen.py

...191. Specify original command to run a benchmark. 202. If you have to change the version of compute capability, please modify21   ver and ver_env in this file.223. In some cases, you may need to add compiler flag (e.g. -I../../sdk) to get23   kernel information. Please edit 'inc' in get_kernel_information().24   e.g. inc = '-I../../sdk'.25* All possible changes that a user needs to make is marked with TO_CHANGE.26"""27## global variables28cwd = os.getcwd()29ver = 'sm_20' ## TO_CHANGE30ver_env = '2.0' ## TO_CHANGE31"""32Process arguments33"""34def process_options():35  parser = argparse.ArgumentParser(description='GPU trace generation for MacSim')36  parser.add_argument('-cmd', action='append', nargs='*', dest='cmd', 37      help='command to run a benchmark')38  return parser39"""40Generate kernel information file41"""42def get_kernel_information():43  inc = '' ## TO_CHANGE44  cmd = 'nvcc --cubin --ptxas-options=-v -arch %s *.cu -I. %s' % (ver, inc)45  print(cmd)46  p = subprocess.Popen(cmd, shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE, 47                       stderr=subprocess.PIPE, close_fds=True)     48  (fi, fo, fe) = (p.stdin, p.stdout, p.stderr)49  pattern_kernel = re.compile('ptxas info\s+: Compiling entry function \'(\S+)\' for \'%s\'' % ver)50  pattern_info = re.compile('ptxas info\s+: Used ([0-9]+) registers, ([0-9\+]+) bytes smem')51  filename = 'occupancy.txt'52  ofile = open(filename, 'w')53  kernel_dict = {}54  kernel_name = ''55  smem = ''56  register = ''57  for line in fe.readlines():58    match_kernel = pattern_kernel.match(line)59    match_info = pattern_info.match(line)60    if match_kernel != None:61      kernel_name = match_kernel.group(1)62    if match_info != None:63      register = match_info.group(1)64      smem = match_info.group(2)65      smem = smem.split('+')66      if len(smem) > 1:67        smem = str(int(smem[0]) + int(smem[1]));68      else:69        smem = smem[0]70      if kernel_name not in kernel_dict:71        ofile.write('%s %s %s\n' % (kernel_name, register, smem))72        kernel_dict[kernel_name] = True73  ofile.close()74"""75set environmental variables76"""77def set_env():78  trace_path = '%s/trace' % cwd79  if os.path.exists(trace_path):80    os.system('rm -rf %s' % trace_path)81  os.system('mkdir -p %s' % trace_path)82  os.environ['TRACE_PATH']       = trace_path83  os.environ['USE_KERNEL_NAME']  = '1'84  os.environ['KERNEL_INFO_PATH'] = '%s/occupancy.txt' % cwd85  os.environ['COMPUTE_VERSION']  = ver_env86"""87main routine88"""89def main():90  global args91  ## get arguments 92  parser = process_options()93  args = parser.parse_args()94  ## sanity check for command95  if args.cmd == None:96    print('please specify command to run')97    sys.exit(-1)98  ## setting for GPUOcelot trace generator99  get_kernel_information()100  set_env()101  ## execute the binary102  cmd = ' '.join(sum(args.cmd, []))103  os.system(cmd)104if __name__ == '__main__':...

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