bin/tests/kernbench/kernbench.py

import test
from autotest_utils import *

class kernbench(test.test):
	def execute(self,
			iterations = 1,
			threads = 2 * count_cpus(),
			kernelver = os.environ['HOME'] + '/linux-2.6.14.tar.bz2',
			config =  os.environ['AUTODIRBIN'] + "/tests/kernbench/config"):
		
		print "kernbench -j %d -i %d -c %s -k %s" % (threads, iterations, config, kernelver)

		self.iterations = iterations
		self.threads = threads
		self.kernelver = kernelver
		self.config = config

		top_dir = self.job.tmpdir+'/kernbench'
		kernel = self.job.kernel(top_dir, kernelver)
		kernel.config([config])


		kernel.build_timed(threads)         # warmup run
		for i in range(1, iterations+1):
			kernel.build_timed(threads, '../log/time.%d' % i)

		os.chdir(top_dir + '/log')
		system("grep elapsed time.* > time")