mbligh | b8a14e3 | 2006-05-06 00:17:35 +0000 | [diff] [blame] | 1 | import test, pickle |
mbligh | f4c3532 | 2006-03-13 01:01:10 +0000 | [diff] [blame] | 2 | from autotest_utils import * |
| 3 | |
apw | 7a0d578 | 2006-04-21 14:21:17 +0000 | [diff] [blame] | 4 | class kernbench(test.test): |
mbligh | 96aee2a | 2006-05-03 16:28:26 +0000 | [diff] [blame] | 5 | version = 1 |
| 6 | |
mbligh | b8a14e3 | 2006-05-06 00:17:35 +0000 | [diff] [blame] | 7 | def setup(self): |
mbligh | 4f6243c | 2006-08-29 06:15:15 +0000 | [diff] [blame] | 8 | # http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.14.tar.bz2 |
mbligh | d4bff32 | 2006-08-31 16:58:18 +0000 | [diff] [blame] | 9 | if (os.path.exists(self.bindir + '/linux-2.6.14.tar.bz2')): |
| 10 | tarball = self.bindir + '/linux-2.6.14.tar.bz2' |
| 11 | else: |
| 12 | tarball = '/usr/local/src/linux-2.6.14.tar.bz2' |
mbligh | 1e8858e | 2006-11-24 22:18:35 +0000 | [diff] [blame^] | 13 | kernel = self.job.kernel(tarball, self.tmpdir) |
mbligh | 43cd6d0 | 2006-08-31 14:38:09 +0000 | [diff] [blame] | 14 | kernel.config('') |
mbligh | b8a14e3 | 2006-05-06 00:17:35 +0000 | [diff] [blame] | 15 | # have to save this off, as we might use it in another run |
| 16 | kernel.pickle_dump(self.srcdir + '/.pickle') |
mbligh | f4c3532 | 2006-03-13 01:01:10 +0000 | [diff] [blame] | 17 | |
| 18 | |
mbligh | 8264186 | 2006-04-23 06:21:36 +0000 | [diff] [blame] | 19 | def execute(self, iterations = 1, threads = 2 * count_cpus()): |
mbligh | b8a14e3 | 2006-05-06 00:17:35 +0000 | [diff] [blame] | 20 | kernel = pickle.load(open(self.srcdir + '/.pickle', 'r')) |
mbligh | 8264186 | 2006-04-23 06:21:36 +0000 | [diff] [blame] | 21 | print "kernbench x %d: %d threads" % (iterations, threads) |
| 22 | |
mbligh | b8a14e3 | 2006-05-06 00:17:35 +0000 | [diff] [blame] | 23 | kernel.build_timed(threads) # warmup run |
mbligh | f4c3532 | 2006-03-13 01:01:10 +0000 | [diff] [blame] | 24 | for i in range(1, iterations+1): |
mbligh | b8a14e3 | 2006-05-06 00:17:35 +0000 | [diff] [blame] | 25 | logfile = self.resultsdir+'/time.%d' % i |
| 26 | kernel.build_timed(threads, logfile) |
mbligh | f4c3532 | 2006-03-13 01:01:10 +0000 | [diff] [blame] | 27 | |
mbligh | 7290556 | 2006-05-25 01:30:49 +0000 | [diff] [blame] | 28 | # Do a profiling run if necessary |
| 29 | profilers = self.job.profilers |
| 30 | if profilers.present(): |
| 31 | profilers.start(self) |
| 32 | logfile = self.resultsdir+'/time.profile' |
| 33 | kernel.build_timed(threads, logfile) |
| 34 | profilers.stop(self) |
| 35 | profilers.report(self) |
| 36 | |
mbligh | b8a14e3 | 2006-05-06 00:17:35 +0000 | [diff] [blame] | 37 | kernel.clean() # Don't leave litter lying around |
| 38 | os.chdir(self.resultsdir) |
apw | c784610 | 2006-04-06 18:22:13 +0000 | [diff] [blame] | 39 | system("grep elapsed time.* > time") |