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 --- 15 unchanged lines hidden (view full) --- 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 34import glob 35from SCons.Script.SConscript import SConsEnvironment 36 37Import('env') 38 39env['DIFFOUT'] = File('diff-out') 40 41# Dict that accumulates lists of tests by category (quick, medium, long) 42env.Tests = {} 43 44def contents(node): 45 return file(str(node)).read() 46 |
47# functions to parse return value from scons Execute()... not the same 48# as wait() etc., so python built-in os funcs don't work. 49def signaled(status): 50 return (status & 0x80) != 0; 51 52def signum(status): 53 return (status & 0x7f); 54 55# List of signals that indicate that we should retry the test rather 56# than consider it failed. 57retry_signals = (signal.SIGTERM, signal.SIGKILL, signal.SIGINT, 58 signal.SIGQUIT, signal.SIGHUP) 59 60# regular expressions of lines to ignore when diffing outputs 61output_ignore_regexes = ( 62 '^command line:', # for stdout file 63 '^M5 compiled ', # for stderr file 64 '^M5 started ', # for stderr file 65 '^M5 executing on ', # for stderr file 66 '^Simulation complete at', # for stderr file 67 '^Listening for', # for stderr file 68 'listening for remote gdb', # for stderr file 69 ) 70 71output_ignore_args = ' '.join(["-I '"+s+"'" for s in output_ignore_regexes]) 72 73output_ignore_args += ' --exclude=stats.txt --exclude=outdiff' 74 75def run_test(target, source, env): |
76 """Check output from running test. 77 78 Targets are as follows: |
79 target[0] : status |
80 |
81 Sources are: 82 source[0] : M5 binary 83 source[1] : tests/run.py script 84 source[2] : reference stats file 85 |
86 """ 87 # make sure target files are all gone 88 for t in target: 89 if os.path.exists(t.abspath): 90 Execute(Delete(t.abspath)) |
91 92 tgt_dir = os.path.dirname(str(target[0])) 93 94 # Base command for running test. We mess around with indirectly 95 # referring to files via SOURCES and TARGETS so that scons can mess 96 # with paths all it wants to and we still get the right files. 97 cmd = '${SOURCES[0]} -d %s -re ${SOURCES[1]} %s' % (tgt_dir, tgt_dir) 98 99 # Prefix test run with batch job submission command if appropriate. 100 # Batch command also supports timeout arg (in seconds, not minutes). 101 timeout = 15 * 60 # used to be a param, probably should be again 102 if env['BATCH']: 103 cmd = '%s -t %d %s' % (env['BATCH_CMD'], timeout, cmd) 104 105 status = Execute(env.subst(cmd, target=target, source=source)) |
106 if status == 0: |
107 # M5 terminated normally. 108 # Run diff on output & ref directories to find differences. 109 # Exclude the stats file since we will use diff-out on that. 110 outdiff = os.path.join(tgt_dir, 'outdiff') 111 diffcmd = 'diff -ubr %s ${SOURCES[2].dir} %s > %s' \ 112 % (output_ignore_args, tgt_dir, outdiff) 113 Execute(env.subst(diffcmd, target=target, source=source)) 114 print "===== Output differences =====" 115 print contents(outdiff) 116 # Run diff-out on stats.txt file 117 statsdiff = os.path.join(tgt_dir, 'statsdiff') 118 diffcmd = '$DIFFOUT ${SOURCES[2]} %s > %s' \ 119 % (os.path.join(tgt_dir, 'stats.txt'), statsdiff) 120 diffcmd = env.subst(diffcmd, target=target, source=source) 121 status = Execute(diffcmd, strfunction=None) 122 print "===== Statistics differences =====" 123 print contents(statsdiff) 124 125 else: # m5 exit status != 0 126 # M5 did not terminate properly, so no need to check the output 127 if signaled(status) and signum(status) in retry_signals: 128 # Consider the test incomplete; don't create a 'status' output. 129 # Hand the return status to scons and let scons decide what 130 # to do about it (typically terminate unless run with -k). 131 print 'M5 terminated with signal', signum(status) 132 return status 133 # complete but failed execution (call to exit() with non-zero 134 # status, SIGABORT due to assertion failure, etc.)... fall through 135 # and generate FAILED status as if output comparison had failed 136 print 'M5 exited with non-zero status', status 137 138 # Generate status file contents based on exit status of m5 or diff-out 139 if status == 0: |
140 status_str = "passed." 141 else: 142 status_str = "FAILED!" |
143 f = file(str(target[0]), 'w') 144 print >>f, tgt_dir, status_str |
145 f.close() 146 # done 147 return 0 148 |
149def run_test_string(target, source, env): 150 return env.subst("Running test in ${TARGETS[0].dir}.", |
151 target=target, source=source) 152 |
153testAction = env.Action(run_test, run_test_string) |
154 155def print_test(target, source, env): 156 print '***** ' + contents(source[0]) 157 return 0 158 159printAction = env.Action(print_test, strfunction = None) 160 161# Static vars for update_test: --- 63 unchanged lines hidden (view full) --- 225 # prepend file name with tgt_dir 226 def tgt(f): 227 return os.path.join(tgt_dir, f) 228 229 ref_stats = os.path.join(ref_dir, 'stats.txt') 230 new_stats = tgt('stats.txt') 231 status_file = tgt('status') 232 |
233 env.Command([status_file], 234 [env.M5Binary, 'run.py', ref_stats], |
235 testAction) 236 237 # phony target to echo status 238 if env['update_ref']: 239 p = env.Command(tgt('_update'), 240 [ref_stats, new_stats, status_file], 241 updateAction) 242 else: --- 31 unchanged lines hidden --- |