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      1 # Copyright (c) 2017 The Chromium OS Authors. All rights reserved.
      2 # Use of this source code is governed by a BSD-style license that can be
      3 # found in the LICENSE file.
      4 
      5 import logging
      6 
      7 from autotest_lib.server.cros import cfm_jmidata_v3_helper
      8 
      9 
     10 def GetDataFromLogs(testcase, data_type, log_lines):
     11     """Returns a list of data_type from JMI data in javascript log.
     12 
     13     @param testcase: Testcase instance.
     14     @param data_type: Type of data to be retrieved (audio sent/audio received
     15             etc. See above for complete list.).
     16     @param log_lines: log_file to be parsed.
     17 
     18     @return A list of data_type from javascript log. If the data_type is not
     19         supported for the given type of data (i.e. the underlying helper raises
     20         NotImplementedError), an empty list is returned.
     21     """
     22     helper = cfm_jmidata_v3_helper.JMIDataV3Helper(log_lines)
     23     data_type_to_func_map = {
     24         'video_sent_bytes': helper.GetVideoSentBytesList,
     25         'video_received_bytes': helper.GetVideoReceivedBytesList,
     26         'audio_sent_bytes': helper.GetAudioSentBytesList,
     27         'audio_received_bytes': helper.GetAudioReceivedBytesList,
     28         'audio_received_energy_level': helper.GetAudioReceivedEnergyList,
     29         'audio_sent_energy_level': helper.GetAudioSentEnergyList,
     30         'framerate_received': helper.GetVideoIncomingFramerateReceivedList,
     31         'framerate_sent': helper.GetVideoOutgoingFramerateSentList,
     32         'framerate_decoded': helper.GetVideoIncomingFramerateDecodedList,
     33         'frames_decoded': helper.GetVideoIncomingFramesDecodedList,
     34         'frames_encoded': helper.GetVideoOutgoingFramesEncodedList,
     35         'average_encode_time': helper.GetVideoEncodeTimeList,
     36         'framerate_to_renderer': helper.GetVideoIncomingFramerateList,
     37         'framerate_outgoing': helper.GetVideoOutgoingFramerateInputList,
     38         'video_sent_frame_width': helper.GetVideoSentFrameWidthList,
     39         'video_received_frame_width': helper.GetVideoReceivedFrameWidthList,
     40         'video_sent_frame_height': helper.GetVideoSentFrameHeightList,
     41         'video_received_frame_height': helper.GetVideoReceivedFrameHeightList,
     42         'cpu_adaptation': helper.GetCPULimitedResolutionList,
     43         'bandwidth_adaptation': helper.GetBandwidthLimitedResolutionList,
     44         'adaptation_changes': helper.GetVideoAdaptationChangeList,
     45         'video_packets_sent': helper.GetVideoPacketsSentList,
     46         'video_packets_lost': helper.GetVideoPacketsLostList,
     47         'video_encode_cpu_usage': helper.GetVideoEncodeCpuUsagePercentList,
     48         'num_active_vid_in_streams':
     49                 helper.GetNumberOfActiveIncomingVideoStreams,
     50         'cpu_processors': helper.GetNumOfProcessors,
     51         'cpu_percent': helper.GetTotalCpuPercentage,
     52         'browser_cpu_percent': helper.GetBrowserCpuPercentage,
     53         'gpu_cpu_percent': helper.GetGpuCpuPercentage,
     54         'nacl_effects_cpu_percent': helper.GetNaclEffectsCpuPercentage,
     55         'renderer_cpu_percent': helper.GetRendererCpuPercentage,
     56     }
     57 
     58     try:
     59         data_array = data_type_to_func_map[data_type]()
     60     except NotImplementedError as e:
     61         logging.warning('data_type "%s" is not implemented in helper %s, '
     62                         'returning empty data set',
     63                         data_type,
     64                         helper,
     65                         exc_info = True)
     66         data_array = [0]
     67     logging.info('Data Type: %s, Data Array: %s', data_type, str(data_array))
     68     # Ensure we always return at least one element, or perf uploads will be
     69     # sad.
     70     return data_array or [0]
     71 
     72