| import profiler, shutil |
| from autotest_lib.client.common_lib import utils |
| from autotest_lib.client.bin import autotest_utils |
| |
| class readprofile(profiler.profiler): |
| version = 1 |
| |
| # http://www.kernel.org/pub/linux/utils/util-linux/util-linux-2.12r.tar.bz2 |
| def setup(self, tarball = 'util-linux-2.12r.tar.bz2'): |
| self.tarball = utils.unmap_url(self.bindir, tarball, self.tmpdir) |
| autotest_utils.extract_tarball_to_dir(self.tarball, self.srcdir) |
| os.chdir(self.srcdir) |
| |
| utils.system('./configure') |
| os.chdir('sys-utils') |
| utils.system('make readprofile') |
| |
| |
| def initialize(self): |
| try: |
| utils.system('grep -iq " profile=" /proc/cmdline') |
| except CmdError: |
| raise AutotestError('readprofile not enabled') |
| |
| self.cmd = self.srcdir + '/sys-utils/readprofile' |
| |
| |
| def start(self, test): |
| utils.system(self.cmd + ' -r') |
| |
| |
| def stop(self, test): |
| # There's no real way to stop readprofile, so we stash the |
| # raw data at this point instead. BAD EXAMPLE TO COPY! ;-) |
| self.rawprofile = test.profdir + '/profile.raw' |
| print "STOP" |
| shutil.copyfile('/proc/profile', self.rawprofile) |
| |
| |
| def report(self, test): |
| args = ' -n' |
| args += ' -m ' + get_systemmap() |
| args += ' -p ' + self.rawprofile |
| cmd = self.cmd + ' ' + args |
| txtprofile = test.profdir + '/profile.text' |
| utils.system(cmd + ' | sort -nr > ' + txtprofile) |
| utils.system('bzip2 ' + self.rawprofile) |
