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How to use write_iteration_keyval method in autotest

Best Python code snippet using autotest_python

iperf.py

Source:iperf.py

...156                attr = {'stream_count':streams}157                keyval = {}158                # Short circuit to handle errors due to client timeouts159                if not self.results[i] or not self.results[i][IPERF_IX].stdout:160                    self.write_iteration_keyval(attr, keyval)161                    continue162                mpstat_out = self.results[i][MPSTAT_IX].stdout163                iperf_out = self.results[i][IPERF_IX].stdout164                # Process mpstat output165                cpu_stats = self.network_utils.process_mpstat(mpstat_out, 5)166                keyval['CPU_C'] = 100 - cpu_stats['idle']167                keyval['CPU_C_SYS'] = cpu_stats['sys']168                keyval['CPU_C_HI'] = cpu_stats['irq']169                keyval['CPU_C_SI'] = cpu_stats['soft']170                keyval['INTRS_C'] = cpu_stats['intr/s']171                runs = {'Bandwidth_S2C':[], 'Bandwidth_C2S':[],172                        'Jitter_S2C':[], 'Jitter_C2S':[]}173                if self.udp:174                    regex = udp_regex175                    keys = udp_keys176                    # Ignore the first line177                    stdout = iperf_out.split('\n',1)[1]178                else:179                    regex = tcp_regex180                    keys = tcp_keys181                    stdout = iperf_out182                # This will not find the average lines because the 'id' field183                # is negative and doesn't match the patterns -- this is good184                for match in regex.findall(stdout):185                    stats = dict(zip(keys,match))186                    # Determine Flow Direction187                    if (stats['local_ip'] == self.ip and188                        stats['local_port'] == self.SERVER_PORT):189                        runs['Bandwidth_S2C'].append(int(stats['bandwidth']))190                        try:191                            runs['Jitter_S2C'].append(float(stats['jitter']))192                        except Exception:193                            pass194                    else:195                        runs['Bandwidth_C2S'].append(int(stats['bandwidth']))196                        try:197                            runs['Jitter_C2S'].append(float(stats['jitter']))198                        except Exception:199                            pass200                # Calculate sums assuming there are values201                for key in [k for k in runs if len(runs[k]) > 0]:202                    keyval[key] = sum(runs[key])203                # scale the bandwidth based on the actual time taken204                # by tests to run205                scale = self.test_time/self.actual_times[i]206                total_bw = 0207                for key in ['Bandwidth_S2C', 'Bandwidth_C2S']:208                    if len(runs[key]) > 0:209                        keyval[key] = keyval[key] * scale210                        total_bw = total_bw + keyval[key]211                if keyval['CPU_C']:212                    keyval['Efficiency_C'] = total_bw/keyval['CPU_C']213                else:214                    keyval['Efficiency_C'] = total_bw215                self.write_iteration_keyval(attr, keyval)216        else:217            # This test currently does not produce a keyval file on the218            # server side. This should be implemented eventually....

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