1 | #!/usr/bin/env python |
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2 | # @date 22 September, 2014 |
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3 | # @author cfuguet <cesar.fuguet-tortolero@lip6.fr> |
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4 | |
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5 | import os |
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6 | import subprocess |
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7 | import arch |
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8 | import faultyprocs |
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9 | import argparse |
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10 | import multiprocessing |
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11 | |
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12 | def run(args): |
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13 | """ Execute the distributed bootloader providing permanent fault-recovery on |
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14 | the TSAR platform. |
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15 | |
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16 | Keyword arguments: |
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17 | path -- platform's base directory path |
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18 | outpath -- output's base directory path |
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19 | x -- number of clusters on the X coordinate |
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20 | y -- number of clusters on the Y coordinate |
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21 | nprocs -- number of processors per cluster |
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22 | compileonly -- stops after platform's compilation |
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23 | batchmode -- TTY and FB are only redirected to FILES |
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24 | faultyrouter -- a list containing faulty routers' coordinates (t, x, y) |
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25 | faultymask -- a mask of disabled routers' interfaces |
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26 | faultycore -- a list containing faulty cores' coordinates (x, y, l) |
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27 | debug -- a list with debug's start cycle, stop cycle, PID and MID |
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28 | """ |
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29 | |
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30 | # translate the relative path (if needed) into an absolute path |
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31 | basedir = os.path.abspath(args.path) |
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32 | outdir = os.path.abspath(args.outpath) |
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33 | print "[ run.py ] platform base directory: {0}".format(basedir) |
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34 | print "[ run.py ] output directory: {0}".format(outdir) |
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35 | |
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36 | # 1. generate configuration and ouput directories |
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37 | try: |
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38 | os.makedirs(os.path.join(outdir, "config"), 0755) |
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39 | except OSError: |
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40 | pass # directory already exists => do nothing |
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41 | |
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42 | # 2. generate hard_config.h and fault_config.h files |
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43 | faultpath = os.path.join(outdir, "config/fault_config.h") |
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44 | hardpath = os.path.join(outdir, "config/hard_config.h") |
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45 | xmlpath = os.path.join(outdir, "config/giet.map.xml") |
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46 | dtspath = os.path.join(outdir, "config/linux.dts") |
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47 | arch.main(args.x, args.y, args.nprocs, hardpath, xmlpath, dtspath) |
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48 | faultyprocs.generate(args.faultycore, faultpath) |
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49 | |
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50 | # create a log file |
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51 | logfile = open(os.path.join(outdir, "log"), "w") |
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52 | |
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53 | # 3. compile simulator executable |
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54 | dst = os.path.join(basedir, "hard_config.h") |
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55 | if os.path.lexists(dst): |
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56 | os.unlink(dst) |
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57 | |
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58 | os.symlink(hardpath, dst) |
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59 | |
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60 | print "[ run.py ] compiling simulator" |
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61 | command = [] |
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62 | command.extend(['make']) |
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63 | command.extend(['-C', basedir]) |
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64 | subprocess.call(command, stdout=logfile, stderr=logfile) |
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65 | |
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66 | # 4. compile distributed boot executable |
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67 | dst = os.path.join(outdir, "config/boot_config.h") |
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68 | if os.path.lexists(dst): |
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69 | os.unlink(dst) |
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70 | |
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71 | os.symlink(os.path.join(basedir, "soft/config/boot_config.h"), dst) |
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72 | |
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73 | # stop after compiling the platform when the compile-only option is activated |
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74 | if args.compileonly == True: |
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75 | exit(0) |
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76 | |
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77 | print "[ run.py ] compiling distributed boot procedure" |
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78 | command = [] |
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79 | command.extend(['make']) |
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80 | command.extend(['-C', os.path.join(basedir, "soft")]) |
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81 | command.extend(["CONFDIR=" + outdir]) |
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82 | subprocess.call(command, stdout=logfile, stderr=logfile) |
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83 | |
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84 | # 5. execute simulator |
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85 | os.environ["DISTRIBUTED_BOOT"] = "1" |
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86 | if args.batchmode: |
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87 | os.environ["SOCLIB_FB"] = "HEADLESS" |
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88 | os.environ["SOCLIB_TTY"] = "FILES" |
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89 | |
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90 | ompthreads = (args.x * args.y) / 4 |
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91 | cpucount = multiprocessing.cpu_count() |
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92 | if ompthreads > cpucount: ompthreads = cpucount |
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93 | |
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94 | print "[ run.py ] starting simulation" |
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95 | command = [] |
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96 | command.extend([os.path.join(basedir, "simul.x")]) |
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97 | command.extend(["-SOFT", os.path.join(basedir, "soft/build/soft.elf")]) |
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98 | command.extend(["-DISK", "/dev/null"]) |
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99 | command.extend(["-THREADS", str(ompthreads)]) |
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100 | |
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101 | if args.faultyrouter != None: |
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102 | command.extend(["-FAULTY_MASK", str(args.faultymask)]) |
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103 | for f in args.faultyrouter: |
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104 | command.extend(["-FAULTY_ROUTER", str(f[0]), str(f[1]), str(f[2])]) |
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105 | |
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106 | if args.debug != None: |
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107 | command.extend(["-DEBUG", str(args.debug[0])]); |
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108 | command.extend(["-NCYCLES", str(args.debug[1])]); |
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109 | command.extend(["-PROCID", str(args.debug[2])]); |
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110 | command.extend(["-MEMCID", str(args.debug[3])]); |
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111 | else: |
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112 | # by observation, the procedure grows linearly with the diameter of the mesh. |
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113 | maxcycles = 400000 + (args.x + args.y) * 20000; |
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114 | command.extend(["-NCYCLES", str(maxcycles)]) |
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115 | |
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116 | logfile.write("Execute: {0}\n".format(" ".join(command))) |
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117 | logfile.flush() |
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118 | |
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119 | subprocess.call(command, stdout=logfile, stderr=logfile) |
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120 | |
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121 | logfile.close() |
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122 | |
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123 | # 6. move simulation terminal output into the target config dir |
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124 | os.rename("term0", os.path.join(outdir, "term")) |
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125 | |
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126 | # get command-line arguments |
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127 | if __name__ == "__main__": |
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128 | parser = argparse.ArgumentParser(description='Run simulation') |
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129 | |
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130 | parser.add_argument( |
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131 | '--path', '-p', type=str, dest='path', default=os.getcwd(), |
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132 | help='relative or absolute path to the platform') |
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133 | |
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134 | parser.add_argument( |
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135 | '--output', '-o', type=str, dest='outpath', default='./output', |
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136 | help='relative or absolute path to the output directory') |
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137 | |
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138 | parser.add_argument( |
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139 | '--xsize', '-x', type=int, dest='x', default=2, |
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140 | help='# of clusters in a row') |
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141 | |
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142 | parser.add_argument( |
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143 | '--ysize', '-y', type=int, dest='y', default=2, |
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144 | help='# of clusters in a column') |
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145 | |
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146 | parser.add_argument( |
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147 | '--nprocs', '-n', type=int, dest='nprocs', default=4, |
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148 | help='# of processors per cluster') |
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149 | |
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150 | parser.add_argument( |
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151 | '--compile-only', '-c', dest='compileonly', action='store_true', |
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152 | help='generate config files and compile the platform. Do not simulate') |
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153 | |
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154 | parser.add_argument( |
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155 | '--batch-mode', '-b', dest='batchmode', action='store_true', |
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156 | help='run simulation in batch mode: no interactive TTY or FrameBuffer') |
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157 | |
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158 | parser.add_argument( |
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159 | '--faulty-router', '-fr', dest='faultyrouter', action='append', nargs=3, |
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160 | help='ID (T,X,Y) of faulty router. The T is 0:CMD, 1:RSP') |
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161 | |
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162 | parser.add_argument( |
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163 | '--faulty-mask', '-m', dest='faultymask', default=0x1F, |
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164 | help='Disable mask for faulty router interfaces') |
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165 | |
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166 | parser.add_argument( |
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167 | '--faulty-core', '-fc', dest='faultycore', action='append', nargs=3, |
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168 | help='ID (X,Y,L) of faulty processor') |
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169 | |
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170 | parser.add_argument( |
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171 | '--debug', '-g', dest='debug', nargs=4, |
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172 | help='needs four arguments: from, to, procid, memcid') |
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173 | |
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174 | run(parser.parse_args()) |
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175 | |
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176 | # vim: tabstop=4 : softtabstop=4 : shiftwidth=4 : expandtab |
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