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Isuru Samarathunga
344
Tools/Platform/Android/android-ndk-r27d/simpleperf/report.py
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344
Tools/Platform/Android/android-ndk-r27d/simpleperf/report.py
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#!/usr/bin/env python3
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#
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# Copyright (C) 2015 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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"""Simpleperf gui reporter: provide gui interface for simpleperf report command.
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There are two ways to use gui reporter. One way is to pass it a report file
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generated by simpleperf report command, and reporter will display it. The
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other ways is to pass it any arguments you want to use when calling
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simpleperf report command. The reporter will call `simpleperf report` to
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generate report file, and display it.
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"""
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import logging
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import os
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import os.path
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import re
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import subprocess
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import sys
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try:
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from tkinter import *
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from tkinter.font import Font
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from tkinter.ttk import *
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except ImportError:
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from Tkinter import *
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from tkFont import Font
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from ttk import *
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from simpleperf_utils import *
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PAD_X = 3
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PAD_Y = 3
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class CallTreeNode(object):
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"""Representing a node in call-graph."""
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def __init__(self, percentage, function_name):
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self.percentage = percentage
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self.call_stack = [function_name]
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self.children = []
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def add_call(self, function_name):
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self.call_stack.append(function_name)
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def add_child(self, node):
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self.children.append(node)
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def __str__(self):
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strs = self.dump()
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return '\n'.join(strs)
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def dump(self):
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strs = []
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strs.append('CallTreeNode percentage = %.2f' % self.percentage)
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for function_name in self.call_stack:
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strs.append(' %s' % function_name)
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for child in self.children:
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child_strs = child.dump()
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strs.extend([' ' + x for x in child_strs])
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return strs
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class ReportItem(object):
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"""Representing one item in report, may contain a CallTree."""
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def __init__(self, raw_line):
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self.raw_line = raw_line
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self.call_tree = None
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def __str__(self):
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strs = []
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strs.append('ReportItem (raw_line %s)' % self.raw_line)
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if self.call_tree is not None:
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strs.append('%s' % self.call_tree)
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return '\n'.join(strs)
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class EventReport(object):
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"""Representing report for one event attr."""
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def __init__(self, common_report_context):
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self.context = common_report_context[:]
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self.title_line = None
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self.report_items = []
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def parse_event_reports(lines):
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# Parse common report context
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common_report_context = []
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line_id = 0
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while line_id < len(lines):
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line = lines[line_id]
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if not line or line.find('Event:') == 0:
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break
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common_report_context.append(line)
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line_id += 1
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event_reports = []
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in_report_context = True
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cur_event_report = EventReport(common_report_context)
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cur_report_item = None
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call_tree_stack = {}
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vertical_columns = []
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last_node = None
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has_skipped_callgraph = False
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for line in lines[line_id:]:
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if not line:
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in_report_context = not in_report_context
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if in_report_context:
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cur_event_report = EventReport(common_report_context)
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continue
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if in_report_context:
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cur_event_report.context.append(line)
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if line.find('Event:') == 0:
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event_reports.append(cur_event_report)
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continue
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if cur_event_report.title_line is None:
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cur_event_report.title_line = line
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elif not line[0].isspace():
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cur_report_item = ReportItem(line)
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cur_event_report.report_items.append(cur_report_item)
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# Each report item can have different column depths.
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vertical_columns = []
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else:
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for i in range(len(line)):
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if line[i] == '|':
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if not vertical_columns or vertical_columns[-1] < i:
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vertical_columns.append(i)
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if not line.strip('| \t'):
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continue
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if 'skipped in brief callgraph mode' in line:
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has_skipped_callgraph = True
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continue
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if line.find('-') == -1:
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line = line.strip('| \t')
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function_name = line
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last_node.add_call(function_name)
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else:
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pos = line.find('-')
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depth = -1
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for i in range(len(vertical_columns)):
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if pos >= vertical_columns[i]:
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depth = i
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assert depth != -1
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line = line.strip('|- \t')
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m = re.search(r'^([\d\.]+)%[-\s]+(.+)$', line)
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if m:
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percentage = float(m.group(1))
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function_name = m.group(2)
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else:
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percentage = 100.0
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function_name = line
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node = CallTreeNode(percentage, function_name)
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if depth == 0:
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cur_report_item.call_tree = node
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else:
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call_tree_stack[depth - 1].add_child(node)
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call_tree_stack[depth] = node
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last_node = node
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if has_skipped_callgraph:
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logging.warning('some callgraphs are skipped in brief callgraph mode')
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return event_reports
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class ReportWindow(object):
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"""A window used to display report file."""
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def __init__(self, main, report_context, title_line, report_items):
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frame = Frame(main)
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frame.pack(fill=BOTH, expand=1)
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font = Font(family='courier', size=12)
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# Report Context
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for line in report_context:
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label = Label(frame, text=line, font=font)
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label.pack(anchor=W, padx=PAD_X, pady=PAD_Y)
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# Space
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label = Label(frame, text='', font=font)
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label.pack(anchor=W, padx=PAD_X, pady=PAD_Y)
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# Title
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label = Label(frame, text=' ' + title_line, font=font)
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label.pack(anchor=W, padx=PAD_X, pady=PAD_Y)
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# Report Items
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report_frame = Frame(frame)
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report_frame.pack(fill=BOTH, expand=1)
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yscrollbar = Scrollbar(report_frame)
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yscrollbar.pack(side=RIGHT, fill=Y)
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xscrollbar = Scrollbar(report_frame, orient=HORIZONTAL)
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xscrollbar.pack(side=BOTTOM, fill=X)
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tree = Treeview(report_frame, columns=[title_line], show='')
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tree.pack(side=LEFT, fill=BOTH, expand=1)
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tree.tag_configure('set_font', font=font)
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tree.config(yscrollcommand=yscrollbar.set)
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yscrollbar.config(command=tree.yview)
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tree.config(xscrollcommand=xscrollbar.set)
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xscrollbar.config(command=tree.xview)
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self.display_report_items(tree, report_items)
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def display_report_items(self, tree, report_items):
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for report_item in report_items:
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prefix_str = '+ ' if report_item.call_tree is not None else ' '
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id = tree.insert(
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'',
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'end',
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None,
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values=[
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prefix_str +
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report_item.raw_line],
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tag='set_font')
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if report_item.call_tree is not None:
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self.display_call_tree(tree, id, report_item.call_tree, 1)
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def display_call_tree(self, tree, parent_id, node, indent):
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id = parent_id
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indent_str = ' ' * indent
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if node.percentage != 100.0:
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percentage_str = '%.2f%% ' % node.percentage
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else:
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percentage_str = ''
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for i in range(len(node.call_stack)):
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s = indent_str
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s += '+ ' if node.children and i == len(node.call_stack) - 1 else ' '
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s += percentage_str if i == 0 else ' ' * len(percentage_str)
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s += node.call_stack[i]
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child_open = False if i == len(node.call_stack) - 1 and indent > 1 else True
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id = tree.insert(id, 'end', None, values=[s], open=child_open,
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tag='set_font')
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for child in node.children:
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self.display_call_tree(tree, id, child, indent + 1)
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def display_report_file(report_file, self_kill_after_sec):
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fh = open(report_file, 'r')
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lines = fh.readlines()
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fh.close()
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lines = [x.rstrip() for x in lines]
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event_reports = parse_event_reports(lines)
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if event_reports:
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root = Tk()
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for i in range(len(event_reports)):
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report = event_reports[i]
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parent = root if i == 0 else Toplevel(root)
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ReportWindow(parent, report.context, report.title_line, report.report_items)
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if self_kill_after_sec:
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root.after(self_kill_after_sec * 1000, lambda: root.destroy())
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root.mainloop()
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def call_simpleperf_report(args, show_gui, self_kill_after_sec):
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simpleperf_path = get_host_binary_path('simpleperf')
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if not show_gui:
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subprocess.check_call([simpleperf_path, 'report'] + args)
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else:
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report_file = 'perf.report'
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subprocess.check_call([simpleperf_path, 'report', '--full-callgraph'] + args +
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['-o', report_file])
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display_report_file(report_file, self_kill_after_sec=self_kill_after_sec)
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def get_simpleperf_report_help_msg():
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simpleperf_path = get_host_binary_path('simpleperf')
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args = [simpleperf_path, 'report', '-h']
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proc = subprocess.Popen(args, stdout=subprocess.PIPE)
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(stdoutdata, _) = proc.communicate()
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stdoutdata = bytes_to_str(stdoutdata)
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return stdoutdata[stdoutdata.find('\n') + 1:]
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def main():
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self_kill_after_sec = 0
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args = sys.argv[1:]
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if args and args[0] == "--self-kill-for-testing":
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self_kill_after_sec = 1
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args = args[1:]
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if len(args) == 1 and os.path.isfile(args[0]):
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display_report_file(args[0], self_kill_after_sec=self_kill_after_sec)
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i = 0
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args_for_report_cmd = []
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show_gui = False
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while i < len(args):
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if args[i] == '-h' or args[i] == '--help':
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print('report.py A python wrapper for simpleperf report command.')
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print('Options supported by simpleperf report command:')
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print(get_simpleperf_report_help_msg())
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print('\nOptions supported by report.py:')
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print('--gui Show report result in a gui window.')
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print('\nIt also supports showing a report generated by simpleperf report cmd:')
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print('\n python report.py report_file')
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sys.exit(0)
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elif args[i] == '--gui':
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show_gui = True
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i += 1
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else:
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args_for_report_cmd.append(args[i])
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i += 1
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call_simpleperf_report(args_for_report_cmd, show_gui, self_kill_after_sec)
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if __name__ == '__main__':
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main()
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