Best Python code snippet using autotest_python
profilers.py
Source:profilers.py
...89 return self.installed_hosts.values()90 if host.hostname in self.installed_hosts:91 return [self.installed_hosts[host.hostname]]92 return []93 def _get_local_profilers_dir(self, test, hostname):94 in_machine_dir = (95 os.path.basename(test.job.resultdir) in test.job.machines)96 if len(test.job.machines) > 1 and not in_machine_dir:97 local_dir = os.path.join(test.profdir, hostname)98 if not os.path.exists(local_dir):99 os.makedirs(local_dir)100 else:101 local_dir = test.profdir102 return local_dir103 def _get_failure_logs(self, autodir, test, host):104 """105 Collect the client logs from a profiler run and put them in a106 file named failure-*.log.107 """108 try:109 fd, path = tempfile.mkstemp(suffix='.log', prefix='failure-',110 dir=self._get_local_profilers_dir(test, host.hostname))111 os.close(fd)112 host.get_file(get_profiler_log_path(autodir), path)113 # try to collect any partial profiler logs114 self._get_profiler_logs(autodir, test, host)115 except (error.AutotestError, error.AutoservError):116 logging.exception('Profiler failure log collection failed')117 # swallow the exception so that we don't override an existing118 # exception being thrown119 def _get_all_failure_logs(self, test, hosts):120 for host, at, autodir in hosts:121 self._get_failure_logs(autodir, test, host)122 def _get_profiler_logs(self, autodir, test, host):123 results_dir = get_profiler_results_dir(autodir)124 local_dir = self._get_local_profilers_dir(test, host.hostname)125 self.job.remove_client_log(host.hostname, results_dir, local_dir)126 tempdir = tempfile.mkdtemp(dir=self.job.tmpdir)127 try:128 host.get_file(results_dir + '/', tempdir)129 except error.AutoservRunError:130 pass # no files to pull back, nothing we can do131 utils.merge_trees(tempdir, local_dir)132 shutil.rmtree(tempdir, ignore_errors=True)133 def _run_clients(self, test, hosts):134 """135 We initialize the profilers just before start because only then we136 know all the hosts involved.137 """138 hostnames = [host_info[0].hostname for host_info in hosts]139 profilers_args = [(p.name, p.args, p.dargs)140 for p in self.list]141 for host, at, autodir in hosts:142 control_script = standalone_profiler.generate_test(hostnames,143 host.hostname,144 profilers_args,145 180, None)146 try:147 at.run(control_script, background=True)148 except Exception:149 self._get_failure_logs(autodir, test, host)150 raise151 remote_results_dir = get_profiler_results_dir(autodir)152 local_results_dir = self._get_local_profilers_dir(test,153 host.hostname)154 self.job.add_client_log(host.hostname, remote_results_dir,155 local_results_dir)156 try:157 # wait for the profilers to be added158 standalone_profiler.wait_for_profilers(hostnames)159 except Exception:160 self._get_all_failure_logs(test, hosts)161 raise162 def before_start(self, test, host=None):163 # create host objects and install the needed clients164 # so later in start() we don't spend too much time165 self._install_clients()166 self._run_clients(test, self._get_hosts(host))...
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