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-rwxr-xr-xheatmaps/heat_map.py4
-rwxr-xr-xheatmaps/heat_map_test.py13
-rw-r--r--heatmaps/heatmap_generator.py39
-rwxr-xr-xheatmaps/heatmap_generator_test.py9
4 files changed, 33 insertions, 32 deletions
diff --git a/heatmaps/heat_map.py b/heatmaps/heat_map.py
index 2fd742d2..a989ab70 100755
--- a/heatmaps/heat_map.py
+++ b/heatmaps/heat_map.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2015 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
@@ -15,7 +15,7 @@ import sys
import tempfile
from cros_utils import command_executer
-import heatmap_generator
+from heatmaps import heatmap_generator
def IsARepoRoot(directory):
diff --git a/heatmaps/heat_map_test.py b/heatmaps/heat_map_test.py
index 21f90d41..ad62cd91 100755
--- a/heatmaps/heat_map_test.py
+++ b/heatmaps/heat_map_test.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright 2019 The Chromium OS Authors. All rights reserved.
@@ -9,14 +9,15 @@
from __future__ import print_function
-import mock
+import unittest.mock as mock
import unittest
import os
from cros_utils import command_executer
-import heat_map
+from heatmaps import heat_map
+from heatmaps import heatmap_generator
def make_heatmap(chromeos_root='/path/to/fake/chromeos_root/',
@@ -41,7 +42,7 @@ def fake_generate_perf_report_exception(_):
class HeatmapTest(unittest.TestCase):
"""All of our tests for heat_map."""
- #pylint: disable=protected-access
+ # pylint: disable=protected-access
@mock.patch('shutil.copy2')
@mock.patch('tempfile.mkdtemp')
def test_EnsureFileInChrootAlreadyInside(self, mock_mkdtemp, mock_copy):
@@ -81,7 +82,7 @@ class HeatmapTest(unittest.TestCase):
self.assertEqual(heatmap.perf_report,
'/fake/chroot/inchroot_path/perf_report.txt')
- @mock.patch('heatmap_generator.HeatmapGenerator')
+ @mock.patch.object(heatmap_generator, 'HeatmapGenerator')
def test_GetHeatMap(self, mock_heatmap_generator):
heatmap = make_heatmap()
heatmap._GetHeatMap(10)
@@ -107,7 +108,7 @@ class HeatmapTest(unittest.TestCase):
new=fake_generate_perf_report_exception)
@mock.patch.object(heat_map.HeatMapProducer, '_GetHeatMap')
@mock.patch.object(heat_map.HeatMapProducer, '_RemoveFiles')
- @mock.patch('__builtin__.print')
+ @mock.patch('builtins.print')
def test_Run_with_exception(self, mock_print, mock_remove_files,
mock_get_heatmap, mock_ensure_file_in_chroot):
heatmap = make_heatmap()
diff --git a/heatmaps/heatmap_generator.py b/heatmaps/heatmap_generator.py
index 42fd6352..0dd6ad28 100644
--- a/heatmaps/heatmap_generator.py
+++ b/heatmaps/heatmap_generator.py
@@ -13,7 +13,7 @@ performed by another script perf-to-inst-page.sh). It can also analyze
the symbol names in hot pages.
"""
-from __future__ import print_function
+from __future__ import division, print_function
import bisect
import collections
@@ -93,10 +93,10 @@ class HeatmapGenerator(object):
self.max_addr = 1024 * 1024 * 1024
self.ce = command_executer.GetCommandExecuter(log_level=log_level)
self.dir = os.path.dirname(os.path.realpath(__file__))
- with open(perf_report) as f:
+ with open(perf_report, 'r', encoding='utf-8') as f:
self.perf_report_contents = f.readlines()
# Write histogram results to a text file, in order to use gnu plot to draw
- self.hist_temp_output = open('out.txt', 'w')
+ self.hist_temp_output = open('out.txt', 'w', encoding='utf-8')
self.processes = {}
self.deleted_processes = {}
self.count = 0
@@ -277,7 +277,7 @@ class HeatmapGenerator(object):
if address < self.max_addr:
self.count += 1
line = '%d/%d: %d %d' % (pid[0], pid[1], self.count,
- address / self.page_size * self.page_size)
+ address // self.page_size * self.page_size)
if self.hugepage:
if self.hugepage.start <= address < self.hugepage.end:
line += ' hugepage'
@@ -321,7 +321,7 @@ class HeatmapGenerator(object):
names = [x for x in os.listdir('.') if 'inst-histo' in x and '.txt' in x]
hist = {}
for n in names:
- with open(n) as f:
+ with open(n, encoding='utf-8') as f:
for l in f.readlines():
num, addr = l.strip().split(' ')
assert int(addr) not in hist
@@ -354,7 +354,7 @@ class HeatmapGenerator(object):
if 't' not in symbol_type and 'T' not in symbol_type:
# Filter out symbols not in text sections
continue
- if len(self.symbol_addresses) == 0:
+ if not self.symbol_addresses:
# The first symbol in text sections
text_section_start = addr
self.symbol_addresses.append(0)
@@ -374,9 +374,9 @@ class HeatmapGenerator(object):
def _map_addr_to_symbol(self, addr):
# Find out the symbol name
- assert len(self.symbol_addresses) > 0
+ assert self.symbol_addresses
index = bisect.bisect(self.symbol_addresses, addr)
- assert index > 0 and index <= len(self.symbol_names), \
+ assert 0 < index <= len(self.symbol_names), \
'Failed to find an index (%d) in the list (len=%d)' % (
index, len(self.symbol_names))
return self.symbol_names[index - 1]
@@ -387,7 +387,7 @@ class HeatmapGenerator(object):
print(
'----------------------------------------------------------', file=fp)
print(
- 'Page Offset: %d MB, Count: %d' % (page_num / 1024 / 1024,
+ 'Page Offset: %d MB, Count: %d' % (page_num // 1024 // 1024,
sample_num),
file=fp)
@@ -400,8 +400,8 @@ class HeatmapGenerator(object):
if pid is None:
# The sampling is not on Chrome
continue
- if addr / self.page_size != (
- self.processes[pid].start_address + page_num) / self.page_size:
+ if addr // self.page_size != (
+ self.processes[pid].start_address + page_num) // self.page_size:
# Sampling not in the current page
continue
@@ -410,14 +410,14 @@ class HeatmapGenerator(object):
assert name, 'Failed to find symbol name of addr %x' % addr
symbol_counts[name] += 1
- assert sum(symbol_counts.itervalues()) == sample_num, \
+ assert sum(symbol_counts.values()) == sample_num, \
'Symbol name matching missing for some addresses: %d vs %d' % (
- sum(symbol_counts.itervalues()), sample_num)
+ sum(symbol_counts.values()), sample_num)
# Print out the symbol names sorted by the number of samples in
# the page
for name, count in sorted(
- symbol_counts.iteritems(), key=lambda kv: kv[1], reverse=True):
+ symbol_counts.items(), key=lambda kv: kv[1], reverse=True):
if count == 0:
break
print('> %s : %d' % (name, count), file=fp)
@@ -434,20 +434,19 @@ class HeatmapGenerator(object):
# Read histogram from histo.txt
hist = self._restore_histogram()
# Sort the pages in histogram
- sorted_hist = sorted(
- hist.iteritems(), key=lambda value: value[1], reverse=True)
+ sorted_hist = sorted(hist.items(), key=lambda value: value[1], reverse=True)
# Generate symbolizations
self._read_symbols_from_binary(binary)
# Write hottest pages
- with open('addr2symbol.txt', 'w') as fp:
+ with open('addr2symbol.txt', 'w', encoding='utf-8') as fp:
if self.hugepage:
# Print hugepage region first
print(
'Hugepage top %d hot pages (%d MB - %d MB):' %
- (top_n, self.hugepage.start / 1024 / 1024,
- self.hugepage.end / 1024 / 1024),
+ (top_n, self.hugepage.start // 1024 // 1024,
+ self.hugepage.end // 1024 // 1024),
file=fp)
pages_to_print = [(k, v)
for k, v in sorted_hist
@@ -464,5 +463,5 @@ class HeatmapGenerator(object):
self._print_symbols_in_hot_pages(fp, pages_to_print)
else:
# Print top_n hottest pages.
- pages_to_print = [(k, v) for k, v in sorted_hist][:top_n]
+ pages_to_print = sorted_hist[:top_n]
self._print_symbols_in_hot_pages(fp, pages_to_print)
diff --git a/heatmaps/heatmap_generator_test.py b/heatmaps/heatmap_generator_test.py
index 0c0bbfc8..5008c653 100755
--- a/heatmaps/heatmap_generator_test.py
+++ b/heatmaps/heatmap_generator_test.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2018 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
@@ -8,11 +8,12 @@
from __future__ import division, print_function
-import mock
-import os
+import unittest.mock as mock
import unittest
-import heatmap_generator
+import os
+
+from heatmaps import heatmap_generator
def _write_perf_mmap(pid, tid, addr, size, fp):