perf_events_test.py 文件源码

def setUp(self):
        '''
        Install the packages
        '''
        # Check for basic utilities
        smm = SoftwareManager()
        detected_distro = distro.detect()
        kernel_ver = platform.uname()[2]
        deps = ['gcc', 'make']
        if 'Ubuntu' in detected_distro.name:
            deps.extend(['linux-tools-common', 'linux-tools-%s'
                         % kernel_ver])
        # FIXME: "redhat" as the distro name for RHEL is deprecated
        # on Avocado versions >= 50.0.  This is a temporary compatibility
        # enabler for older runners, but should be removed soon
        elif detected_distro.name in ['rhel', 'SuSE', 'fedora', 'redhat']:
            deps.extend(['perf'])
        else:
            self.cancel("Install the package for perf supported by %s"
                        % detected_distro.name)
        for package in deps:
            if not smm.check_installed(package) and not smm.install(package):
                self.cancel('%s is needed for the test to be run' % package)