| Index: build/android/pylib/instrumentation/json_perf_parser.py
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| diff --git a/build/android/pylib/instrumentation/json_perf_parser.py b/build/android/pylib/instrumentation/json_perf_parser.py
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| deleted file mode 100644
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| index ffdfbe7c548f0a4589197a20ef5f217d85d284ff..0000000000000000000000000000000000000000
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| --- a/build/android/pylib/instrumentation/json_perf_parser.py
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| +++ /dev/null
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| @@ -1,161 +0,0 @@
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| -# Copyright 2013 The Chromium Authors. All rights reserved.
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| -# Use of this source code is governed by a BSD-style license that can be
|
| -# found in the LICENSE file.
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| -
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| -
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| -"""A helper module for parsing JSON objects from perf tests results."""
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| -
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| -import json
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| -
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| -
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| -def GetAverageRunInfo(json_data, name):
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| - """Summarizes TraceEvent JSON data for performance metrics.
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| -
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| - Example JSON Inputs (More tags can be added but these are required):
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| - Measuring Duration:
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| - [
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| - { "cat": "Java",
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| - "ts": 10000000000,
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| - "ph": "S",
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| - "name": "TestTrace"
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| - },
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| - { "cat": "Java",
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| - "ts": 10000004000,
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| - "ph": "F",
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| - "name": "TestTrace"
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| - },
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| - ...
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| - ]
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| -
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| - Measuring Call Frequency (FPS):
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| - [
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| - { "cat": "Java",
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| - "ts": 10000000000,
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| - "ph": "I",
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| - "name": "TestTraceFPS"
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| - },
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| - { "cat": "Java",
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| - "ts": 10000004000,
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| - "ph": "I",
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| - "name": "TestTraceFPS"
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| - },
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| - ...
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| - ]
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| -
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| - Args:
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| - json_data: A list of dictonaries each representing a JSON object.
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| - name: The 'name' tag to filter on in the JSON file.
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| -
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| - Returns:
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| - A dictionary of result data with the following tags:
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| - min: The minimum value tracked.
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| - max: The maximum value tracked.
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| - average: The average of all the values tracked.
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| - count: The number of times the category/name pair was tracked.
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| - type: The type of tracking ('Instant' for instant tags and 'Span' for
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| - begin/end tags.
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| - category: The passed in category filter.
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| - name: The passed in name filter.
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| - data_points: A list of all of the times used to generate this data.
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| - units: The units for the values being reported.
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| -
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| - Raises:
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| - Exception: if entry contains invalid data.
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| - """
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| -
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| - def EntryFilter(entry):
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| - return entry['cat'] == 'Java' and entry['name'] == name
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| - filtered_entries = filter(EntryFilter, json_data)
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| -
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| - result = {}
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| -
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| - result['min'] = -1
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| - result['max'] = -1
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| - result['average'] = 0
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| - result['count'] = 0
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| - result['type'] = 'Unknown'
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| - result['category'] = 'Java'
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| - result['name'] = name
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| - result['data_points'] = []
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| - result['units'] = ''
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| -
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| - total_sum = 0
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| -
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| - last_val = 0
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| - val_type = None
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| - for entry in filtered_entries:
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| - if not val_type:
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| - if 'mem' in entry:
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| - val_type = 'mem'
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| -
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| - def GetVal(entry):
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| - return entry['mem']
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| -
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| - result['units'] = 'kb'
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| - elif 'ts' in entry:
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| - val_type = 'ts'
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| -
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| - def GetVal(entry):
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| - return float(entry['ts']) / 1000.0
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| -
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| - result['units'] = 'ms'
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| - else:
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| - raise Exception('Entry did not contain valid value info: %s' % entry)
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| -
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| - if not val_type in entry:
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| - raise Exception('Entry did not contain expected value type "%s" '
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| - 'information: %s' % (val_type, entry))
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| - val = GetVal(entry)
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| - if (entry['ph'] == 'S' and
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| - (result['type'] == 'Unknown' or result['type'] == 'Span')):
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| - result['type'] = 'Span'
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| - last_val = val
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| - elif ((entry['ph'] == 'F' and result['type'] == 'Span') or
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| - (entry['ph'] == 'I' and (result['type'] == 'Unknown' or
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| - result['type'] == 'Instant'))):
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| - if last_val > 0:
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| - delta = val - last_val
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| - if result['min'] == -1 or result['min'] > delta:
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| - result['min'] = delta
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| - if result['max'] == -1 or result['max'] < delta:
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| - result['max'] = delta
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| - total_sum += delta
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| - result['count'] += 1
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| - result['data_points'].append(delta)
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| - if entry['ph'] == 'I':
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| - result['type'] = 'Instant'
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| - last_val = val
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| - if result['count'] > 0:
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| - result['average'] = total_sum / result['count']
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| -
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| - return result
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| -
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| -
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| -def GetAverageRunInfoFromJSONString(json_string, name):
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| - """Returns the results from GetAverageRunInfo using a JSON string.
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| -
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| - Args:
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| - json_string: The string containing JSON.
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| - name: The 'name' tag to filter on in the JSON file.
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| -
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| - Returns:
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| - See GetAverageRunInfo Returns section.
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| - """
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| - return GetAverageRunInfo(json.loads(json_string), name)
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| -
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| -
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| -def GetAverageRunInfoFromFile(json_file, name):
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| - """Returns the results from GetAverageRunInfo using a JSON file.
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| -
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| - Args:
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| - json_file: The path to a JSON file.
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| - name: The 'name' tag to filter on in the JSON file.
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| -
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| - Returns:
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| - See GetAverageRunInfo Returns section.
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| - """
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| - with open(json_file, 'r') as f:
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| - data = f.read()
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| - perf = json.loads(data)
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| -
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| - return GetAverageRunInfo(perf, name)
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|
|