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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