| 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 | 931ee5e | 2006-12-07 19:34:10 +0000 | [diff] [blame] | 13 | kernel = self.job.kernel(tarball, self.tmpdir, self.srcdir) |
| apw | c30cbd3 | 2006-12-05 12:16:24 +0000 | [diff] [blame] | 14 | kernel.config(defconfig=True) |
| 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 | 931ee5e | 2006-12-07 19:34:10 +0000 | [diff] [blame] | 21 | kernel.job = self.job |
| mbligh | 8264186 | 2006-04-23 06:21:36 +0000 | [diff] [blame] | 22 | print "kernbench x %d: %d threads" % (iterations, threads) |
| 23 | |
| mbligh | b8a14e3 | 2006-05-06 00:17:35 +0000 | [diff] [blame] | 24 | kernel.build_timed(threads) # warmup run |
| mbligh | ca07e4d | 2006-11-26 04:31:29 +0000 | [diff] [blame] | 25 | for i in range(iterations): |
| mbligh | b8a14e3 | 2006-05-06 00:17:35 +0000 | [diff] [blame] | 26 | logfile = self.resultsdir+'/time.%d' % i |
| 27 | kernel.build_timed(threads, logfile) |
| mbligh | f4c3532 | 2006-03-13 01:01:10 +0000 | [diff] [blame] | 28 | |
| mbligh | 7290556 | 2006-05-25 01:30:49 +0000 | [diff] [blame] | 29 | # Do a profiling run if necessary |
| 30 | profilers = self.job.profilers |
| 31 | if profilers.present(): |
| 32 | profilers.start(self) |
| 33 | logfile = self.resultsdir+'/time.profile' |
| 34 | kernel.build_timed(threads, logfile) |
| 35 | profilers.stop(self) |
| 36 | profilers.report(self) |
| 37 | |
| mbligh | b8a14e3 | 2006-05-06 00:17:35 +0000 | [diff] [blame] | 38 | kernel.clean() # Don't leave litter lying around |
| 39 | os.chdir(self.resultsdir) |
| mbligh | 39aa03c | 2006-11-25 23:11:22 +0000 | [diff] [blame] | 40 | system("grep -h elapsed time.* > time") |