309 lines
11 KiB
Python
309 lines
11 KiB
Python
# -*- mode:python -*-
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# Copyright (c) 2004-2006 The Regents of The University of Michigan
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Authors: Steve Reinhardt
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# Kevin Lim
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import os, signal
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import sys, time
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import glob
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from SCons.Script.SConscript import SConsEnvironment
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Import('env')
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env['DIFFOUT'] = File('diff-out')
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# Dict that accumulates lists of tests by category (quick, medium, long)
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env.Tests = {}
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def contents(node):
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return file(str(node)).read()
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# functions to parse return value from scons Execute()... not the same
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# as wait() etc., so python built-in os funcs don't work.
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def signaled(status):
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return (status & 0x80) != 0;
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def signum(status):
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return (status & 0x7f);
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# List of signals that indicate that we should retry the test rather
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# than consider it failed.
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retry_signals = (signal.SIGTERM, signal.SIGKILL, signal.SIGINT,
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signal.SIGQUIT, signal.SIGHUP)
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# regular expressions of lines to ignore when diffing outputs
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output_ignore_regexes = (
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'^command line:', # for stdout file
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'^M5 compiled ', # for stderr file
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'^M5 started ', # for stderr file
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'^M5 executing on ', # for stderr file
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'^Simulation complete at', # for stderr file
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'^Listening for', # for stderr file
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'listening for remote gdb', # for stderr file
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)
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output_ignore_args = ' '.join(["-I '"+s+"'" for s in output_ignore_regexes])
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output_ignore_args += ' --exclude=stats.txt --exclude=outdiff'
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def run_test(target, source, env):
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"""Check output from running test.
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Targets are as follows:
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target[0] : status
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Sources are:
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source[0] : M5 binary
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source[1] : tests/run.py script
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source[2] : reference stats file
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"""
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# make sure target files are all gone
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for t in target:
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if os.path.exists(t.abspath):
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env.Execute(Delete(t.abspath))
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tgt_dir = os.path.dirname(str(target[0]))
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# Base command for running test. We mess around with indirectly
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# referring to files via SOURCES and TARGETS so that scons can mess
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# with paths all it wants to and we still get the right files.
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cmd = '${SOURCES[0]} -d %s -re ${SOURCES[1]} %s' % (tgt_dir, tgt_dir)
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# Prefix test run with batch job submission command if appropriate.
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# Batch command also supports timeout arg (in seconds, not minutes).
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timeout = 15 * 60 # used to be a param, probably should be again
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if env['BATCH']:
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cmd = '%s -t %d %s' % (env['BATCH_CMD'], timeout, cmd)
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pre_exec_time = time.time()
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status = env.Execute(env.subst(cmd, target=target, source=source))
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if status == 0:
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# M5 terminated normally.
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# Run diff on output & ref directories to find differences.
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# Exclude the stats file since we will use diff-out on that.
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# NFS file systems can be annoying and not have updated yet
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# wait until we see the file modified
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statsdiff = os.path.join(tgt_dir, 'statsdiff')
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m_time = 0
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nap = 0
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while m_time < pre_exec_time and nap < 10:
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try:
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m_time = os.stat(statsdiff).st_mtime
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except OSError:
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pass
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time.sleep(1)
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nap += 1
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outdiff = os.path.join(tgt_dir, 'outdiff')
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diffcmd = 'diff -ubrs %s ${SOURCES[2].dir} %s > %s' \
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% (output_ignore_args, tgt_dir, outdiff)
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env.Execute(env.subst(diffcmd, target=target, source=source))
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print "===== Output differences ====="
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print contents(outdiff)
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# Run diff-out on stats.txt file
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diffcmd = '$DIFFOUT ${SOURCES[2]} %s > %s' \
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% (os.path.join(tgt_dir, 'stats.txt'), statsdiff)
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diffcmd = env.subst(diffcmd, target=target, source=source)
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status = env.Execute(diffcmd, strfunction=None)
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print "===== Statistics differences ====="
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print contents(statsdiff)
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else: # m5 exit status != 0
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# M5 did not terminate properly, so no need to check the output
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if signaled(status):
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print 'M5 terminated with signal', signum(status)
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if signum(status) in retry_signals:
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# Consider the test incomplete; don't create a 'status' output.
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# Hand the return status to scons and let scons decide what
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# to do about it (typically terminate unless run with -k).
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return status
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else:
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print 'M5 exited with non-zero status', status
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# complete but failed execution (call to exit() with non-zero
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# status, SIGABORT due to assertion failure, etc.)... fall through
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# and generate FAILED status as if output comparison had failed
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# Generate status file contents based on exit status of m5 or diff-out
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if status == 0:
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status_str = "passed."
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else:
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status_str = "FAILED!"
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f = file(str(target[0]), 'w')
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print >>f, tgt_dir, status_str
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f.close()
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# done
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return 0
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def run_test_string(target, source, env):
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return env.subst("Running test in ${TARGETS[0].dir}.",
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target=target, source=source)
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testAction = env.Action(run_test, run_test_string)
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def print_test(target, source, env):
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print '***** ' + contents(source[0])
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return 0
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printAction = env.Action(print_test, strfunction = None)
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# Static vars for update_test:
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# - long-winded message about ignored sources
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ignore_msg = '''
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Note: The following file(s) will not be copied. New non-standard
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output files must be copied manually once before update_ref will
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recognize them as outputs. Otherwise they are assumed to be
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inputs and are ignored.
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'''
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# - reference files always needed
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needed_files = set(['simout', 'simerr', 'stats.txt', 'config.ini'])
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# - source files we always want to ignore
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known_ignores = set(['status', 'outdiff', 'statsdiff'])
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def update_test(target, source, env):
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"""Update reference test outputs.
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Target is phony. First two sources are the ref & new stats.txt file
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files, respectively. We actually copy everything in the
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respective directories except the status & diff output files.
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"""
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dest_dir = str(source[0].get_dir())
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src_dir = str(source[1].get_dir())
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dest_files = set(os.listdir(dest_dir))
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src_files = set(os.listdir(src_dir))
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# Copy all of the required files plus any existing dest files.
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wanted_files = needed_files | dest_files
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missing_files = wanted_files - src_files
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if len(missing_files) > 0:
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print " WARNING: the following file(s) are missing " \
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"and will not be updated:"
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print " ", " ,".join(missing_files)
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copy_files = wanted_files - missing_files
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warn_ignored_files = (src_files - copy_files) - known_ignores
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if len(warn_ignored_files) > 0:
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print ignore_msg,
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print " ", ", ".join(warn_ignored_files)
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for f in copy_files:
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if f in dest_files:
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print " Replacing file", f
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dest_files.remove(f)
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else:
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print " Creating new file", f
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copyAction = Copy(os.path.join(dest_dir, f), os.path.join(src_dir, f))
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copyAction.strfunction = None
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env.Execute(copyAction)
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return 0
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def update_test_string(target, source, env):
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return env.subst("Updating ${SOURCES[0].dir} from ${SOURCES[1].dir}",
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target=target, source=source)
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updateAction = env.Action(update_test, update_test_string)
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def test_builder(env, ref_dir):
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"""Define a test."""
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(category, name, _ref, isa, opsys, config) = ref_dir.split('/')
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assert(_ref == 'ref')
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# target path (where test output goes) is the same except without
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# the 'ref' component
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tgt_dir = os.path.join(category, name, isa, opsys, config)
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# prepend file name with tgt_dir
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def tgt(f):
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return os.path.join(tgt_dir, f)
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ref_stats = os.path.join(ref_dir, 'stats.txt')
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new_stats = tgt('stats.txt')
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status_file = tgt('status')
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env.Command([status_file],
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[env.M5Binary, 'run.py', ref_stats],
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testAction)
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# phony target to echo status
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if env['update_ref']:
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p = env.Command(tgt('_update'),
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[ref_stats, new_stats, status_file],
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updateAction)
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else:
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p = env.Command(tgt('_print'), [status_file], printAction)
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env.AlwaysBuild(p)
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# Figure out applicable configs based on build type
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configs = []
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if env['FULL_SYSTEM']:
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if env['TARGET_ISA'] == 'alpha':
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configs += ['tsunami-simple-atomic',
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'tsunami-simple-timing',
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'tsunami-simple-atomic-dual',
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'tsunami-simple-timing-dual',
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'twosys-tsunami-simple-atomic',
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'tsunami-o3', 'tsunami-o3-dual']
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if env['TARGET_ISA'] == 'sparc':
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configs += ['t1000-simple-atomic',
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't1000-simple-timing']
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if env['TARGET_ISA'] == 'arm':
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configs += ['realview-simple-atomic',
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'realview-simple-timing']
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else:
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configs += ['simple-atomic', 'simple-timing', 'o3-timing', 'memtest',
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'simple-atomic-mp', 'simple-timing-mp', 'o3-timing-mp',
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'inorder-timing', 'rubytest']
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if env['RUBY']:
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# With Ruby, A protocol must be specified in the environment
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assert(env['PROTOCOL'])
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#
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# Is there a way to determine what is Protocol EnumVariable
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# default and eliminate the need to hard code the default protocol below?
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#
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# If the binary includes the default ruby protocol, run both ruby and
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# non-ruby versions of the tests. Otherwise just run the ruby versions.
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#
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if env['PROTOCOL'] == 'MI_example':
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configs += [c + "-ruby" for c in configs]
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else:
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configs = [c + "-ruby-" + env['PROTOCOL'] for c in configs]
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cwd = os.getcwd()
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os.chdir(str(Dir('.').srcdir))
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for config in configs:
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dirs = glob.glob('*/*/ref/%s/*/%s' % (env['TARGET_ISA'], config))
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for d in dirs:
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if not os.path.exists(os.path.join(d, 'skip')):
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test_builder(env, d)
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os.chdir(cwd)
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