SConscript revision 8947:217fbc57df05
1# -*- mode:python -*- 2 3# Copyright (c) 2004-2006 The Regents of The University of Michigan 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions are 8# met: redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer; 10# redistributions in binary form must reproduce the above copyright 11# notice, this list of conditions and the following disclaimer in the 12# documentation and/or other materials provided with the distribution; 13# neither the name of the copyright holders nor the names of its 14# contributors may be used to endorse or promote products derived from 15# this software without specific prior written permission. 16# 17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28# 29# Authors: Steve Reinhardt 30# Kevin Lim 31 32import os, signal 33import sys, time 34import glob 35from SCons.Script.SConscript import SConsEnvironment 36 37Import('env') 38 39env['DIFFOUT'] = File('diff-out') 40 41# get the termcap from the environment 42termcap = env['TERMCAP'] 43 44# Dict that accumulates lists of tests by category (quick, medium, long) 45env.Tests = {} 46 47def contents(node): 48 return file(str(node)).read() 49 50# functions to parse return value from scons Execute()... not the same 51# as wait() etc., so python built-in os funcs don't work. 52def signaled(status): 53 return (status & 0x80) != 0; 54 55def signum(status): 56 return (status & 0x7f); 57 58# List of signals that indicate that we should retry the test rather 59# than consider it failed. 60retry_signals = (signal.SIGTERM, signal.SIGKILL, signal.SIGINT, 61 signal.SIGQUIT, signal.SIGHUP) 62 63# regular expressions of lines to ignore when diffing outputs 64output_ignore_regexes = ( 65 '^command line:', # for stdout file 66 '^M5 compiled ', # for stderr file 67 '^M5 started ', # for stderr file 68 '^M5 executing on ', # for stderr file 69 '^Simulation complete at', # for stderr file 70 '^Listening for', # for stderr file 71 'listening for remote gdb', # for stderr file 72 ) 73 74output_ignore_args = ' '.join(["-I '"+s+"'" for s in output_ignore_regexes]) 75 76output_ignore_args += ' --exclude=stats.txt --exclude=outdiff' 77 78def run_test(target, source, env): 79 """Check output from running test. 80 81 Targets are as follows: 82 target[0] : status 83 84 Sources are: 85 source[0] : M5 binary 86 source[1] : tests/run.py script 87 source[2] : reference stats file 88 89 """ 90 # make sure target files are all gone 91 for t in target: 92 if os.path.exists(t.abspath): 93 env.Execute(Delete(t.abspath)) 94 95 tgt_dir = os.path.dirname(str(target[0])) 96 97 # Base command for running test. We mess around with indirectly 98 # referring to files via SOURCES and TARGETS so that scons can mess 99 # with paths all it wants to and we still get the right files. 100 cmd = '${SOURCES[0]} -d %s -re ${SOURCES[1]} %s' % (tgt_dir, tgt_dir) 101 102 # Prefix test run with batch job submission command if appropriate. 103 # Batch command also supports timeout arg (in seconds, not minutes). 104 timeout = 15 * 60 # used to be a param, probably should be again 105 if env['BATCH']: 106 cmd = '%s -t %d %s' % (env['BATCH_CMD'], timeout, cmd) 107 108 pre_exec_time = time.time() 109 status = env.Execute(env.subst(cmd, target=target, source=source)) 110 if status == 0: 111 # M5 terminated normally. 112 # Run diff on output & ref directories to find differences. 113 # Exclude the stats file since we will use diff-out on that. 114 115 # NFS file systems can be annoying and not have updated yet 116 # wait until we see the file modified 117 statsdiff = os.path.join(tgt_dir, 'statsdiff') 118 m_time = 0 119 nap = 0 120 while m_time < pre_exec_time and nap < 10: 121 try: 122 m_time = os.stat(statsdiff).st_mtime 123 except OSError: 124 pass 125 time.sleep(1) 126 nap += 1 127 128 outdiff = os.path.join(tgt_dir, 'outdiff') 129 # tack 'true' on the end so scons doesn't report diff's 130 # non-zero exit code as a build error 131 diffcmd = 'diff -ubrs %s ${SOURCES[2].dir} %s > %s; true' \ 132 % (output_ignore_args, tgt_dir, outdiff) 133 env.Execute(env.subst(diffcmd, target=target, source=source)) 134 print "===== Output differences =====" 135 print contents(outdiff) 136 # Run diff-out on stats.txt file 137 diffcmd = '$DIFFOUT ${SOURCES[2]} %s > %s' \ 138 % (os.path.join(tgt_dir, 'stats.txt'), statsdiff) 139 diffcmd = env.subst(diffcmd, target=target, source=source) 140 status = env.Execute(diffcmd, strfunction=None) 141 print "===== Statistics differences =====" 142 print contents(statsdiff) 143 144 else: # m5 exit status != 0 145 # M5 did not terminate properly, so no need to check the output 146 if signaled(status): 147 print 'M5 terminated with signal', signum(status) 148 if signum(status) in retry_signals: 149 # Consider the test incomplete; don't create a 'status' output. 150 # Hand the return status to scons and let scons decide what 151 # to do about it (typically terminate unless run with -k). 152 return status 153 else: 154 print 'M5 exited with non-zero status', status 155 # complete but failed execution (call to exit() with non-zero 156 # status, SIGABORT due to assertion failure, etc.)... fall through 157 # and generate FAILED status as if output comparison had failed 158 159 # Generate status file contents based on exit status of m5 or diff-out 160 if status == 0: 161 status_str = "passed." 162 else: 163 status_str = "FAILED!" 164 f = file(str(target[0]), 'w') 165 print >>f, tgt_dir, status_str 166 f.close() 167 # done 168 return 0 169 170def run_test_string(target, source, env): 171 return env.subst("Running test in ${TARGETS[0].dir}.", 172 target=target, source=source) 173 174testAction = env.Action(run_test, run_test_string) 175 176def print_test(target, source, env): 177 # print the status with colours to make it easier to see what 178 # passed and what failed 179 line = contents(source[0]) 180 181 # split the line to words and get the last one 182 words = line.split() 183 status = words[-1] 184 185 # if the test failed make it red, if it passed make it green, and 186 # skip the punctuation 187 if status == "FAILED!": 188 status = termcap.Red + status[:-1] + termcap.Normal + status[-1] 189 elif status == "passed.": 190 status = termcap.Green + status[:-1] + termcap.Normal + status[-1] 191 192 # put it back in the list and join with space 193 words[-1] = status 194 line = " ".join(words) 195 196 print '***** ' + line 197 return 0 198 199printAction = env.Action(print_test, strfunction = None) 200 201# Static vars for update_test: 202# - long-winded message about ignored sources 203ignore_msg = ''' 204Note: The following file(s) will not be copied. New non-standard 205 output files must be copied manually once before --update-ref will 206 recognize them as outputs. Otherwise they are assumed to be 207 inputs and are ignored. 208''' 209# - reference files always needed 210needed_files = set(['simout', 'simerr', 'stats.txt', 'config.ini']) 211# - source files we always want to ignore 212known_ignores = set(['status', 'outdiff', 'statsdiff']) 213 214def update_test(target, source, env): 215 """Update reference test outputs. 216 217 Target is phony. First two sources are the ref & new stats.txt file 218 files, respectively. We actually copy everything in the 219 respective directories except the status & diff output files. 220 221 """ 222 dest_dir = str(source[0].get_dir()) 223 src_dir = str(source[1].get_dir()) 224 dest_files = set(os.listdir(dest_dir)) 225 src_files = set(os.listdir(src_dir)) 226 # Copy all of the required files plus any existing dest files. 227 wanted_files = needed_files | dest_files 228 missing_files = wanted_files - src_files 229 if len(missing_files) > 0: 230 print " WARNING: the following file(s) are missing " \ 231 "and will not be updated:" 232 print " ", " ,".join(missing_files) 233 copy_files = wanted_files - missing_files 234 warn_ignored_files = (src_files - copy_files) - known_ignores 235 if len(warn_ignored_files) > 0: 236 print ignore_msg, 237 print " ", ", ".join(warn_ignored_files) 238 for f in copy_files: 239 if f in dest_files: 240 print " Replacing file", f 241 dest_files.remove(f) 242 else: 243 print " Creating new file", f 244 copyAction = Copy(os.path.join(dest_dir, f), os.path.join(src_dir, f)) 245 copyAction.strfunction = None 246 env.Execute(copyAction) 247 return 0 248 249def update_test_string(target, source, env): 250 return env.subst("Updating ${SOURCES[0].dir} from ${SOURCES[1].dir}", 251 target=target, source=source) 252 253updateAction = env.Action(update_test, update_test_string) 254 255def test_builder(env, ref_dir): 256 """Define a test.""" 257 258 (category, mode, name, _ref, isa, opsys, config) = ref_dir.split('/') 259 assert(_ref == 'ref') 260 261 # target path (where test output goes) is the same except without 262 # the 'ref' component 263 tgt_dir = os.path.join(category, mode, name, isa, opsys, config) 264 265 # prepend file name with tgt_dir 266 def tgt(f): 267 return os.path.join(tgt_dir, f) 268 269 ref_stats = os.path.join(ref_dir, 'stats.txt') 270 new_stats = tgt('stats.txt') 271 status_file = tgt('status') 272 273 env.Command([status_file], 274 [env.M5Binary, 'run.py', ref_stats], 275 testAction) 276 277 # phony target to echo status 278 if GetOption('update_ref'): 279 p = env.Command(tgt('_update'), 280 [ref_stats, new_stats, status_file], 281 updateAction) 282 else: 283 p = env.Command(tgt('_print'), [status_file], printAction) 284 285 env.AlwaysBuild(p) 286 287 288# Figure out applicable configs based on build type 289configs = [] 290if env['TARGET_ISA'] == 'alpha': 291 configs += ['tsunami-simple-atomic', 292 'tsunami-simple-timing', 293 'tsunami-simple-atomic-dual', 294 'tsunami-simple-timing-dual', 295 'twosys-tsunami-simple-atomic', 296 'tsunami-o3', 'tsunami-o3-dual', 297 'tsunami-inorder'] 298if env['TARGET_ISA'] == 'sparc': 299 configs += ['t1000-simple-atomic', 300 't1000-simple-timing'] 301if env['TARGET_ISA'] == 'arm': 302 configs += ['simple-atomic-dummychecker', 303 'o3-timing-checker', 304 'realview-simple-atomic', 305 'realview-simple-atomic-dual', 306 'realview-simple-timing', 307 'realview-simple-timing-dual', 308 'realview-o3', 309 'realview-o3-checker', 310 'realview-o3-dual'] 311if env['TARGET_ISA'] == 'x86': 312 configs += ['pc-simple-atomic', 313 'pc-simple-timing', 314 'pc-o3-timing'] 315 316configs += ['simple-atomic', 'simple-timing', 'o3-timing', 'memtest', 317 'simple-atomic-mp', 'simple-timing-mp', 'o3-timing-mp', 318 'inorder-timing', 'rubytest'] 319 320if env['PROTOCOL'] != 'None': 321 if env['PROTOCOL'] == 'MI_example': 322 configs += [c + "-ruby" for c in configs] 323 else: 324 configs = [c + "-ruby-" + env['PROTOCOL'] for c in configs] 325 326cwd = os.getcwd() 327os.chdir(str(Dir('.').srcdir)) 328for config in configs: 329 dirs = glob.glob('*/*/*/ref/%s/*/%s' % (env['TARGET_ISA'], config)) 330 for d in dirs: 331 if not os.path.exists(os.path.join(d, 'skip')): 332 test_builder(env, d) 333os.chdir(cwd) 334