| import test, pickle |
| from autotest_utils import * |
| |
| class kernbench(test.test): |
| version = 1 |
| |
| def setup(self): |
| # http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.14.tar.bz2 |
| if (os.path.exists(self.bindir + '/linux-2.6.14.tar.bz2')): |
| tarball = self.bindir + '/linux-2.6.14.tar.bz2' |
| else: |
| tarball = '/usr/local/src/linux-2.6.14.tar.bz2' |
| kernel = self.job.kernel(tarball, self.tmpdir, self.srcdir) |
| kernel.config(defconfig=True) |
| # have to save this off, as we might use it in another run |
| kernel.pickle_dump(self.srcdir + '/.pickle') |
| |
| |
| def execute(self, iterations = 1, threads = 2 * count_cpus()): |
| kernel = pickle.load(open(self.srcdir + '/.pickle', 'r')) |
| kernel.job = self.job |
| print "kernbench x %d: %d threads" % (iterations, threads) |
| |
| kernel.build_timed(threads) # warmup run |
| for i in range(iterations): |
| logfile = self.resultsdir+'/time.%d' % i |
| kernel.build_timed(threads, logfile) |
| |
| # Do a profiling run if necessary |
| profilers = self.job.profilers |
| if profilers.present(): |
| profilers.start(self) |
| logfile = self.resultsdir+'/time.profile' |
| kernel.build_timed(threads, logfile) |
| profilers.stop(self) |
| profilers.report(self) |
| |
| kernel.clean() # Don't leave litter lying around |
| os.chdir(self.resultsdir) |
| system("grep -h elapsed time.* > time") |