Sync to latest from aosp master
bug:22636165
Change-Id: Iccf99b34047273f277eae53ef9614e3e562ece4d
diff --git a/UPSTREAM_REVISION b/UPSTREAM_REVISION
index 30ce84f..fcec727 100644
--- a/UPSTREAM_REVISION
+++ b/UPSTREAM_REVISION
@@ -1 +1 @@
-61c9bc212e36be84712198163bea009e04fd994a
+98bb819e78ccfd8db0e9c08c4bf91d1fab162ab8
diff --git a/agents/__init__.py b/agents/__init__.py
new file mode 100644
index 0000000..8cc6cfd
--- /dev/null
+++ b/agents/__init__.py
@@ -0,0 +1,3 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
\ No newline at end of file
diff --git a/agents/atrace_agent.py b/agents/atrace_agent.py
new file mode 100644
index 0000000..5ac96d9
--- /dev/null
+++ b/agents/atrace_agent.py
@@ -0,0 +1,553 @@
+# Copyright (c) 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import Queue
+import re
+import subprocess
+import sys
+import threading
+import time
+import zlib
+
+import systrace_agent
+import util
+
+# Text that ADB sends, but does not need to be displayed to the user.
+ADB_IGNORE_REGEXP = r'^capturing trace\.\.\. done|^capturing trace\.\.\.'
+# The number of seconds to wait on output from ADB.
+ADB_STDOUT_READ_TIMEOUT = 0.2
+# The adb shell command to initiate a trace.
+ATRACE_BASE_ARGS = ['atrace']
+# If a custom list of categories is not specified, traces will include
+# these categories (if available on the device).
+DEFAULT_CATEGORIES = 'sched gfx view dalvik webview input disk am wm'.split()
+# The command to list trace categories.
+LIST_CATEGORIES_ARGS = ATRACE_BASE_ARGS + ['--list_categories']
+# Minimum number of seconds between displaying status updates.
+MIN_TIME_BETWEEN_STATUS_UPDATES = 0.2
+# ADB sends this text to indicate the beginning of the trace data.
+TRACE_START_REGEXP = r'TRACE\:'
+# Plain-text trace data should always start with this string.
+TRACE_TEXT_HEADER = '# tracer'
+
+# This list is based on the tags in frameworks/native/include/utils/Trace.h for
+# legacy platform.
+LEGACY_TRACE_TAG_BITS = (
+ ('gfx', 1<<1),
+ ('input', 1<<2),
+ ('view', 1<<3),
+ ('webview', 1<<4),
+ ('wm', 1<<5),
+ ('am', 1<<6),
+ ('sm', 1<<7),
+ ('audio', 1<<8),
+ ('video', 1<<9),
+ ('camera', 1<<10),
+)
+
+
+def try_create_agent(options, categories):
+ if options.from_file is not None:
+ return AtraceAgent(options, categories)
+
+ device_sdk_version = util.get_device_sdk_version()
+ if device_sdk_version >= 18:
+ return AtraceAgent(options, categories)
+ elif device_sdk_version >= 16:
+ return AtraceLegacyAgent(options, categories)
+
+
+class AtraceAgent(systrace_agent.SystraceAgent):
+ def __init__(self, options, categories):
+ super(AtraceAgent, self).__init__(options, categories)
+ self._expect_trace = False
+ self._adb = None
+ self._trace_data = None
+
+ def start(self):
+ tracer_args = self._construct_trace_command()
+ try:
+ self._adb = subprocess.Popen(tracer_args, stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE)
+ except OSError as error:
+ print >> sys.stderr, (
+ 'The command "%s" failed with the following error:' %
+ ' '.join(tracer_args))
+ print >> sys.stderr, ' ', error
+ sys.exit(1)
+
+ def collect_result(self):
+ trace_data = self._collect_trace_data();
+ if self._expect_trace:
+ self._trace_data = self._preprocess_trace_data(trace_data);
+
+ def expect_trace(self):
+ return self._expect_trace
+
+ def get_trace_data(self):
+ return self._trace_data
+
+ def get_class_name(self):
+ return 'trace-data'
+
+ def _construct_list_categories_command(self):
+ return util.construct_adb_shell_command(
+ LIST_CATEGORIES_ARGS, self._options.device_serial)
+
+ def _construct_extra_trace_command(self):
+ extra_args = []
+ if self._options.app_name is not None:
+ extra_args.extend(['-a', self._options.app_name])
+
+ if self._options.kfuncs is not None:
+ extra_args.extend(['-k', self._options.kfuncs])
+
+ if not self._categories:
+ self._categories = get_default_categories(self._options.device_serial)
+ extra_args.extend(self._categories)
+ return extra_args
+
+ def _construct_trace_command(self):
+ """Builds a command-line used to invoke a trace process.
+
+ Returns:
+ A tuple where the first element is an array of command-line arguments, and
+ the second element is a boolean which will be true if the commend will
+ stream trace data.
+ """
+ if self._options.list_categories:
+ tracer_args = self._construct_list_categories_command()
+ self._expect_trace = False
+ elif self._options.from_file is not None:
+ tracer_args = ['cat', self._options.from_file]
+ self._expect_trace = True
+ else:
+ atrace_args = ATRACE_BASE_ARGS[:]
+ self._expect_trace = True
+ if self._options.compress_trace_data:
+ atrace_args.extend(['-z'])
+
+ if ((self._options.trace_time is not None)
+ and (self._options.trace_time > 0)):
+ atrace_args.extend(['-t', str(self._options.trace_time)])
+
+ if ((self._options.trace_buf_size is not None)
+ and (self._options.trace_buf_size > 0)):
+ atrace_args.extend(['-b', str(self._options.trace_buf_size)])
+ extra_args = self._construct_extra_trace_command()
+ atrace_args.extend(extra_args)
+
+ if self._options.fix_threads:
+ atrace_args.extend([';', 'ps', '-t'])
+ tracer_args = util.construct_adb_shell_command(
+ atrace_args, self._options.device_serial)
+
+ return tracer_args
+
+ def _collect_trace_data(self):
+ # Read the output from ADB in a worker thread. This allows us to monitor
+ # the progress of ADB and bail if ADB becomes unresponsive for any reason.
+
+ # Limit the stdout_queue to 128 entries because we will initially be reading
+ # one byte at a time. When the queue fills up, the reader thread will
+ # block until there is room in the queue. Once we start downloading the
+ # trace data, we will switch to reading data in larger chunks, and 128
+ # entries should be plenty for that purpose.
+ stdout_queue = Queue.Queue(maxsize=128)
+ stderr_queue = Queue.Queue()
+
+ if self._expect_trace:
+ # Use stdout.write() (here and for the rest of this function) instead
+ # of print() to avoid extra newlines.
+ sys.stdout.write('Capturing trace...')
+
+ # Use a chunk_size of 1 for stdout so we can display the output to
+ # the user without waiting for a full line to be sent.
+ stdout_thread = FileReaderThread(self._adb.stdout, stdout_queue,
+ text_file=False, chunk_size=1)
+ stderr_thread = FileReaderThread(self._adb.stderr, stderr_queue,
+ text_file=True)
+ stdout_thread.start()
+ stderr_thread.start()
+
+ # Holds the trace data returned by ADB.
+ trace_data = []
+ # Keep track of the current line so we can find the TRACE_START_REGEXP.
+ current_line = ''
+ # Set to True once we've received the TRACE_START_REGEXP.
+ reading_trace_data = False
+
+ last_status_update_time = time.time()
+
+ while (stdout_thread.isAlive() or stderr_thread.isAlive() or
+ not stdout_queue.empty() or not stderr_queue.empty()):
+ if self._expect_trace:
+ last_status_update_time = status_update(last_status_update_time)
+
+ while not stderr_queue.empty():
+ # Pass along errors from adb.
+ line = stderr_queue.get()
+ sys.stderr.write(line)
+
+ # Read stdout from adb. The loop exits if we don't get any data for
+ # ADB_STDOUT_READ_TIMEOUT seconds.
+ while True:
+ try:
+ chunk = stdout_queue.get(True, ADB_STDOUT_READ_TIMEOUT)
+ except Queue.Empty:
+ # Didn't get any data, so exit the loop to check that ADB is still
+ # alive and print anything sent to stderr.
+ break
+
+ if reading_trace_data:
+ # Save, but don't print, the trace data.
+ trace_data.append(chunk)
+ else:
+ if not self._expect_trace:
+ sys.stdout.write(chunk)
+ else:
+ # Buffer the output from ADB so we can remove some strings that
+ # don't need to be shown to the user.
+ current_line += chunk
+ if re.match(TRACE_START_REGEXP, current_line):
+ # We are done capturing the trace.
+ sys.stdout.write('Done.\n')
+ # Now we start downloading the trace data.
+ sys.stdout.write('Downloading trace...')
+ current_line = ''
+ # Use a larger chunk size for efficiency since we no longer
+ # need to worry about parsing the stream.
+ stdout_thread.set_chunk_size(4096)
+ reading_trace_data = True
+ elif chunk == '\n' or chunk == '\r':
+ # Remove ADB output that we don't care about.
+ current_line = re.sub(ADB_IGNORE_REGEXP, '', current_line)
+ if len(current_line) > 1:
+ # ADB printed something that we didn't understand, so show it
+ # it to the user (might be helpful for debugging).
+ sys.stdout.write(current_line)
+ # Reset our current line.
+ current_line = ''
+
+ if self._expect_trace:
+ if reading_trace_data:
+ # Indicate to the user that the data download is complete.
+ sys.stdout.write('Done.\n')
+ else:
+ # We didn't receive the trace start tag, so something went wrong.
+ sys.stdout.write('ERROR.\n')
+ # Show any buffered ADB output to the user.
+ current_line = re.sub(ADB_IGNORE_REGEXP, '', current_line)
+ if current_line:
+ sys.stdout.write(current_line)
+ sys.stdout.write('\n')
+
+ # The threads should already have stopped, so this is just for cleanup.
+ stdout_thread.join()
+ stderr_thread.join()
+
+ self._adb.stdout.close()
+ self._adb.stderr.close()
+
+ # The adb process should be done since it's io pipes are closed. Call
+ # poll() to set the returncode.
+ self._adb.poll()
+
+ if self._adb.returncode != 0:
+ print >> sys.stderr, ('The command "%s" returned error code %d.' %
+ (' '.join(tracer_args), self._adb.returncode))
+ sys.exit(1)
+
+ return trace_data
+
+ def _preprocess_trace_data(self, trace_data):
+ """Performs various processing on atrace data.
+
+ Args:
+ trace_data: The raw trace data.
+ Returns:
+ The processed trace data.
+ """
+ trace_data = ''.join(trace_data)
+
+ if self._options.fix_threads:
+ # Extract the thread list dumped by ps.
+ trace_data, thread_names = extract_thread_list(trace_data)
+
+ if trace_data:
+ trace_data = strip_and_decompress_trace(trace_data)
+
+ if not trace_data:
+ print >> sys.stderr, ('No data was captured. Output file was not '
+ 'written.')
+ sys.exit(1)
+
+ if self._options.fix_threads:
+ trace_data = fix_thread_names(trace_data, thread_names)
+
+ if self._options.fix_circular:
+ trace_data = fix_circular_traces(trace_data)
+
+ return trace_data
+
+
+class AtraceLegacyAgent(AtraceAgent):
+ def _construct_list_categories_command(self):
+ LEGACY_CATEGORIES = """ sched - CPU Scheduling
+ freq - CPU Frequency
+ idle - CPU Idle
+ load - CPU Load
+ disk - Disk I/O (requires root)
+ bus - Bus utilization (requires root)
+ workqueue - Kernel workqueues (requires root)"""
+ return ["echo", LEGACY_CATEGORIES]
+
+ def start(self):
+ super(AtraceLegacyAgent, self).start()
+ if self.expect_trace():
+ SHELL_ARGS = ['getprop', 'debug.atrace.tags.enableflags']
+ output, return_code = util.run_adb_shell(SHELL_ARGS, self._options.device_serial)
+ flags = 0
+ if return_code == 0:
+ try:
+ if output.startswith('0x'):
+ flags = int(output, 16)
+ elif output.startswith('0'):
+ flags = int(output, 8)
+ else:
+ flags = int(output)
+ except ValueError, e:
+ pass
+
+ if flags:
+ tags = []
+ for desc, bit in LEGACY_TRACE_TAG_BITS:
+ if bit & flags:
+ tags.append(desc)
+ categories = tags + self._categories
+ print 'Collecting data with following categories:', ' '.join(categories)
+
+ def _construct_extra_trace_command(self):
+ extra_args = []
+ if not self._categories:
+ self._categories = ['sched', ]
+ if 'sched' in self._categories:
+ extra_args.append('-s')
+ if 'freq' in self._categories:
+ extra_args.append('-f')
+ if 'idle' in self._categories:
+ extra_args.append('-i')
+ if 'load' in self._categories:
+ extra_args.append('-l')
+ if 'disk' in self._categories:
+ extra_args.append('-d')
+ if 'bus' in self._categories:
+ extra_args.append('-u')
+ if 'workqueue' in self._categories:
+ extra_args.append('-w')
+
+ return extra_args
+
+
+class FileReaderThread(threading.Thread):
+ """Reads data from a file/pipe on a worker thread.
+
+ Use the standard threading. Thread object API to start and interact with the
+ thread (start(), join(), etc.).
+ """
+
+ def __init__(self, file_object, output_queue, text_file, chunk_size=-1):
+ """Initializes a FileReaderThread.
+
+ Args:
+ file_object: The file or pipe to read from.
+ output_queue: A Queue.Queue object that will receive the data
+ text_file: If True, the file will be read one line at a time, and
+ chunk_size will be ignored. If False, line breaks are ignored and
+ chunk_size must be set to a positive integer.
+ chunk_size: When processing a non-text file (text_file = False),
+ chunk_size is the amount of data to copy into the queue with each
+ read operation. For text files, this parameter is ignored.
+ """
+ threading.Thread.__init__(self)
+ self._file_object = file_object
+ self._output_queue = output_queue
+ self._text_file = text_file
+ self._chunk_size = chunk_size
+ assert text_file or chunk_size > 0
+
+ def run(self):
+ """Overrides Thread's run() function.
+
+ Returns when an EOF is encountered.
+ """
+ if self._text_file:
+ # Read a text file one line at a time.
+ for line in self._file_object:
+ self._output_queue.put(line)
+ else:
+ # Read binary or text data until we get to EOF.
+ while True:
+ chunk = self._file_object.read(self._chunk_size)
+ if not chunk:
+ break
+ self._output_queue.put(chunk)
+
+ def set_chunk_size(self, chunk_size):
+ """Change the read chunk size.
+
+ This function can only be called if the FileReaderThread object was
+ created with an initial chunk_size > 0.
+ Args:
+ chunk_size: the new chunk size for this file. Must be > 0.
+ """
+ # The chunk size can be changed asynchronously while a file is being read
+ # in a worker thread. However, type of file can not be changed after the
+ # the FileReaderThread has been created. These asserts verify that we are
+ # only changing the chunk size, and not the type of file.
+ assert not self._text_file
+ assert chunk_size > 0
+ self._chunk_size = chunk_size
+
+
+def get_default_categories(device_serial):
+ categories_output, return_code = util.run_adb_shell(LIST_CATEGORIES_ARGS,
+ device_serial)
+
+ if return_code == 0 and categories_output:
+ categories = [c.split('-')[0].strip()
+ for c in categories_output.splitlines()]
+ return [c for c in categories if c in DEFAULT_CATEGORIES]
+
+ return []
+
+
+def status_update(last_update_time):
+ current_time = time.time()
+ if (current_time - last_update_time) >= MIN_TIME_BETWEEN_STATUS_UPDATES:
+ # Gathering a trace may take a while. Keep printing something so users
+ # don't think the script has hung.
+ sys.stdout.write('.')
+ sys.stdout.flush()
+ return current_time
+
+ return last_update_time
+
+
+def extract_thread_list(trace_data):
+ """Removes the thread list from the given trace data.
+
+ Args:
+ trace_data: The raw trace data (before decompression).
+ Returns:
+ A tuple containing the trace data and a map of thread ids to thread names.
+ """
+ threads = {}
+ parts = re.split('USER +PID +PPID +VSIZE +RSS +WCHAN +PC +NAME',
+ trace_data, 1)
+ if len(parts) == 2:
+ trace_data = parts[0]
+ for line in parts[1].splitlines():
+ cols = line.split(None, 8)
+ if len(cols) == 9:
+ tid = int(cols[1])
+ name = cols[8]
+ threads[tid] = name
+
+ return (trace_data, threads)
+
+
+def strip_and_decompress_trace(trace_data):
+ """Fixes new-lines and decompresses trace data.
+
+ Args:
+ trace_data: The trace data returned by atrace.
+ Returns:
+ The decompressed trace data.
+ """
+ # Collapse CRLFs that are added by adb shell.
+ if trace_data.startswith('\r\n'):
+ trace_data = trace_data.replace('\r\n', '\n')
+ elif trace_data.startswith('\r\r\n'):
+ # On windows, adb adds an extra '\r' character for each line.
+ trace_data = trace_data.replace('\r\r\n', '\n')
+
+ # Skip the initial newline.
+ trace_data = trace_data[1:]
+
+ if not trace_data.startswith(TRACE_TEXT_HEADER):
+ # No header found, so assume the data is compressed.
+ trace_data = zlib.decompress(trace_data)
+
+ # Enforce Unix line-endings.
+ trace_data = trace_data.replace('\r', '')
+
+ # Skip any initial newlines.
+ while trace_data and trace_data[0] == '\n':
+ trace_data = trace_data[1:]
+
+ return trace_data
+
+
+def fix_thread_names(trace_data, thread_names):
+ """Replaces thread ids with their names.
+
+ Args:
+ trace_data: The atrace data.
+ thread_names: A mapping of thread ids to thread names.
+ Returns:
+ The updated trace data.
+ """
+ def repl(m):
+ tid = int(m.group(2))
+ if tid > 0:
+ name = thread_names.get(tid)
+ if name is None:
+ name = m.group(1)
+ if name == '<...>':
+ name = '<' + str(tid) + '>'
+ thread_names[tid] = name
+ return name + '-' + m.group(2)
+ else:
+ return m.group(0)
+ trace_data = re.sub(r'^\s*(\S+)-(\d+)', repl, trace_data,
+ flags=re.MULTILINE)
+ return trace_data
+
+
+def fix_circular_traces(out):
+ """Fix inconsistentcies in traces due to circular buffering.
+
+ The circular buffers are kept per CPU, so it is not guaranteed that the
+ beginning of a slice is overwritten before the end. To work around this, we
+ throw away the prefix of the trace where not all CPUs have events yet.
+
+ Args:
+ out: The data to fix.
+ Returns:
+ The updated trace data.
+ """
+ # If any of the CPU's buffers have filled up and
+ # older events have been dropped, the kernel
+ # emits markers of the form '##### CPU 2 buffer started ####' on
+ # the line before the first event in the trace on that CPU.
+ #
+ # No such headers are emitted if there were no overflows or the trace
+ # was captured with non-circular buffers.
+ buffer_start_re = re.compile(r'^#+ CPU \d+ buffer started', re.MULTILINE)
+
+ start_of_full_trace = 0
+
+ while True:
+ result = buffer_start_re.search(out, start_of_full_trace + 1)
+ if result:
+ start_of_full_trace = result.start()
+ else:
+ break
+
+ if start_of_full_trace > 0:
+ # Need to keep the header intact to make the importer happy.
+ end_of_header = re.search(r'^[^#]', out, re.MULTILINE).start()
+ out = out[:end_of_header] + out[start_of_full_trace:]
+ return out
diff --git a/run_unittest.py b/run_unittest.py
new file mode 100755
index 0000000..4782073
--- /dev/null
+++ b/run_unittest.py
@@ -0,0 +1,125 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+import contextlib
+import unittest
+
+import agents.atrace_agent as atrace_agent
+import systrace
+import util
+
+DEVICE_SERIAL = 'AG8404EC0444AGC'
+LIST_TMP_ARGS = ['ls', '/data/local/tmp']
+ATRACE_ARGS = ['atrace', '-z', '-t', '10']
+CATEGORIES = ['sched', 'gfx', 'view', 'wm']
+ADB_SHELL = ['adb', '-s', DEVICE_SERIAL, 'shell']
+
+SYSTRACE_CMD = ['./systrace.py', '--time', '10', '-o', 'out.html', '-e',
+ DEVICE_SERIAL] + CATEGORIES
+TRACE_CMD = (ADB_SHELL + ATRACE_ARGS + CATEGORIES +
+ [';', 'ps', '-t'])
+
+SYSTRACE_LIST_CATEGORIES_CMD = ['./systrace.py', '-e', DEVICE_SERIAL, '-l']
+TRACE_LIST_CATEGORIES_CMD = (ADB_SHELL + ['atrace', '--list_categories'])
+
+LEGACY_ATRACE_ARGS = ['atrace', '-z', '-t', '10', '-s']
+LEGACY_TRACE_CMD = (ADB_SHELL + LEGACY_ATRACE_ARGS +
+ [';', 'ps', '-t'])
+
+TEST_DIR = 'test_data/'
+ATRACE_DATA = TEST_DIR + 'atrace_data'
+ATRACE_DATA_RAW = TEST_DIR + 'atrace_data_raw'
+ATRACE_DATA_STRIPPED = TEST_DIR + 'atrace_data_stripped'
+ATRACE_DATA_THREAD_FIXED = TEST_DIR + 'atrace_data_thread_fixed'
+ATRACE_DATA_WITH_THREAD_LIST = TEST_DIR + 'atrace_data_with_thread_list'
+ATRACE_THREAD_NAMES = TEST_DIR + 'atrace_thread_names'
+
+
+class UtilUnitTest(unittest.TestCase):
+ def test_construct_adb_shell_command(self):
+ command = util.construct_adb_shell_command(LIST_TMP_ARGS, None)
+ self.assertEqual(' '.join(command), 'adb shell ls /data/local/tmp')
+
+ command = util.construct_adb_shell_command(LIST_TMP_ARGS, DEVICE_SERIAL)
+ self.assertEqual(' '.join(command),
+ 'adb -s AG8404EC0444AGC shell ls /data/local/tmp')
+
+ command = util.construct_adb_shell_command(ATRACE_ARGS, DEVICE_SERIAL)
+ self.assertEqual(' '.join(command),
+ 'adb -s AG8404EC0444AGC shell atrace -z -t 10')
+
+
+class AtraceAgentUnitTest(unittest.TestCase):
+ def test_construct_trace_command(self):
+ options, categories = systrace.parse_options(SYSTRACE_CMD)
+ agent = atrace_agent.AtraceAgent(options, categories)
+ tracer_args = agent._construct_trace_command()
+ self.assertEqual(' '.join(TRACE_CMD), ' '.join(tracer_args))
+ self.assertEqual(True, agent.expect_trace())
+
+ def test_extract_thread_list(self):
+ with contextlib.nested(open(ATRACE_DATA_WITH_THREAD_LIST, 'r'),
+ open(ATRACE_DATA_RAW, 'r'),
+ open(ATRACE_THREAD_NAMES, 'r')) as (f1, f2, f3):
+ atrace_data_with_thread_list = f1.read()
+ atrace_data_raw = f2.read()
+ atrace_thread_names = f3.read()
+
+ trace_data, thread_names = atrace_agent.extract_thread_list(
+ atrace_data_with_thread_list)
+ self.assertEqual(atrace_data_raw, trace_data)
+ self.assertEqual(atrace_thread_names, str(thread_names))
+
+ def test_strip_and_decompress_trace(self):
+ with contextlib.nested(open(ATRACE_DATA_RAW, 'r'),
+ open(ATRACE_DATA_STRIPPED, 'r')) as (f1, f2):
+ atrace_data_raw = f1.read()
+ atrace_data_stripped = f2.read()
+
+ trace_data = atrace_agent.strip_and_decompress_trace(atrace_data_raw)
+ self.assertEqual(atrace_data_stripped, trace_data)
+
+ def test_fix_thread_names(self):
+ with contextlib.nested(
+ open(ATRACE_DATA_STRIPPED, 'r'),
+ open(ATRACE_THREAD_NAMES, 'r'),
+ open(ATRACE_DATA_THREAD_FIXED, 'r')) as (f1, f2, f3):
+ atrace_data_stripped = f1.read()
+ atrace_thread_names = f2.read()
+ atrace_data_thread_fixed = f3.read()
+ thread_names = eval(atrace_thread_names)
+
+ trace_data = atrace_agent.fix_thread_names(
+ atrace_data_stripped, thread_names)
+ self.assertEqual(atrace_data_thread_fixed, trace_data)
+
+ def test_preprocess_trace_data(self):
+ with contextlib.nested(open(ATRACE_DATA_WITH_THREAD_LIST, 'r'),
+ open(ATRACE_DATA, 'r')) as (f1, f2):
+ atrace_data_with_thread_list = f1.read()
+ atrace_data = f2.read()
+
+ options, categories = systrace.parse_options([])
+ agent = atrace_agent.AtraceAgent(options, categories)
+ trace_data = agent._preprocess_trace_data(atrace_data_with_thread_list)
+ self.assertEqual(atrace_data, trace_data)
+
+ def test_list_categories(self):
+ options, categories = systrace.parse_options(SYSTRACE_LIST_CATEGORIES_CMD)
+ agent = atrace_agent.AtraceAgent(options, categories)
+ tracer_args = agent._construct_trace_command()
+ self.assertEqual(' '.join(TRACE_LIST_CATEGORIES_CMD), ' '.join(tracer_args))
+ self.assertEqual(False, agent.expect_trace())
+
+class AtraceLegacyAgentUnitTest(unittest.TestCase):
+ def test_construct_trace_command(self):
+ options, categories = systrace.parse_options(SYSTRACE_CMD)
+ agent = atrace_agent.AtraceLegacyAgent(options, categories)
+ tracer_args = agent._construct_trace_command()
+ self.assertEqual(' '.join(LEGACY_TRACE_CMD), ' '.join(tracer_args))
+ self.assertEqual(True, agent.expect_trace())
+
+if __name__ == '__main__':
+ unittest.main()
diff --git a/systrace-legacy.py b/systrace-legacy.py
index 2ee89d4..4e29572 100755
--- a/systrace-legacy.py
+++ b/systrace-legacy.py
@@ -169,6 +169,8 @@
html_file.write(
html_prefix.replace("{{SYSTRACE_TRACE_VIEWER_HTML}}",
trace_viewer_html))
+ html_file.write('<!-- BEGIN TRACE -->\n' +
+ ' <script class="trace-data" type="application/text">\n')
trace_started = True
break
elif 'TRACE:'.startswith(line) and i == len(lines) - 1:
@@ -190,6 +192,7 @@
html_out = dec.flush().replace('\n', '\\n\\\n').replace('\r', '')
if len(html_out) > 0:
html_file.write(html_out)
+ html_file.write(' </script>\n<!-- END TRACE -->\n')
html_suffix = read_asset(script_dir, 'suffix.html')
html_file.write(html_suffix)
html_file.close()
diff --git a/systrace.py b/systrace.py
index 516c0af..38443fe 100755
--- a/systrace.py
+++ b/systrace.py
@@ -10,73 +10,35 @@
the kernel. It creates an HTML file for visualizing the trace.
"""
-import errno, optparse, os, re, select, subprocess, sys, time, zlib
+import sys
-default_categories = 'sched gfx view dalvik webview input disk am wm'.split()
+# Make sure we're using a new enough version of Python.
+# The flags= parameter of re.sub() is new in Python 2.7.
+if sys.version_info[:2] < (2, 7):
+ print >> sys.stderr, '\nThis script requires Python 2.7 or newer.'
+ sys.exit(1)
-class OptionParserIgnoreErrors(optparse.OptionParser):
- def error(self, msg):
- pass
+# pylint: disable=g-bad-import-order,g-import-not-at-top
+import imp
+import optparse
+import os
- def exit(self):
- pass
+import util
- def print_usage(self):
- pass
- def print_help(self):
- pass
+# The default agent directory.
+DEFAULT_AGENT_DIR = 'agents'
- def print_version(self):
- pass
-def get_device_sdk_version():
- getprop_args = ['adb', 'shell', 'getprop', 'ro.build.version.sdk']
+def parse_options(argv):
+ """Parses and checks the command-line options.
- parser = OptionParserIgnoreErrors()
- parser.add_option('-e', '--serial', dest='device_serial', type='string')
- options, args = parser.parse_args()
- if options.device_serial is not None:
- getprop_args[1:1] = ['-s', options.device_serial]
-
- try:
- adb = subprocess.Popen(getprop_args, stdout=subprocess.PIPE,
- stderr=subprocess.PIPE)
- except OSError:
- print 'Missing adb?'
- sys.exit(1)
- out, err = adb.communicate()
- if adb.returncode != 0:
- print >> sys.stderr, 'Error querying device SDK-version:'
- print >> sys.stderr, err
- sys.exit(1)
-
- version = int(out)
- return version
-
-def add_adb_serial(command, serial):
- if serial is not None:
- command.insert(1, serial)
- command.insert(1, '-s')
-
-def get_default_categories():
- list_command = ['adb', 'shell', 'atrace', '--list_categories']
- try:
- categories_output = subprocess.check_output(list_command)
- categories = [c.split('-')[0].strip() for c in categories_output.splitlines()]
-
- return [c for c in categories if c in default_categories]
- except:
- return []
-
-def main():
- device_sdk_version = get_device_sdk_version()
- if device_sdk_version < 18:
- legacy_script = os.path.join(os.path.dirname(sys.argv[0]), 'systrace-legacy.py')
- os.execv(legacy_script, sys.argv)
-
- usage = "Usage: %prog [options] [category1 [category2 ...]]"
- desc = "Example: %prog -b 32768 -t 15 gfx input view sched freq"
+ Returns:
+ A tuple containing the options structure and a list of categories to
+ be traced.
+ """
+ usage = 'Usage: %prog [options] [category1 [category2 ...]]'
+ desc = 'Example: %prog -b 32768 -t 15 gfx input view sched freq'
parser = optparse.OptionParser(usage=usage, description=desc)
parser.add_option('-o', dest='output_file', help='write HTML to FILE',
default='trace.html', metavar='FILE')
@@ -85,236 +47,153 @@
parser.add_option('-b', '--buf-size', dest='trace_buf_size', type='int',
help='use a trace buffer size of N KB', metavar='N')
parser.add_option('-k', '--ktrace', dest='kfuncs', action='store',
- help='specify a comma-separated list of kernel functions to trace')
- parser.add_option('-l', '--list-categories', dest='list_categories', default=False,
- action='store_true', help='list the available categories and exit')
+ help='specify a comma-separated list of kernel functions '
+ 'to trace')
+ parser.add_option('-l', '--list-categories', dest='list_categories',
+ default=False, action='store_true',
+ help='list the available categories and exit')
parser.add_option('-a', '--app', dest='app_name', default=None, type='string',
- action='store', help='enable application-level tracing for comma-separated ' +
+ action='store',
+ help='enable application-level tracing for comma-separated '
'list of app cmdlines')
parser.add_option('--no-fix-threads', dest='fix_threads', default=True,
- action='store_false', help='don\'t fix missing or truncated thread names')
+ action='store_false',
+ help='don\'t fix missing or truncated thread names')
parser.add_option('--no-fix-circular', dest='fix_circular', default=True,
- action='store_false', help='don\'t fix truncated circular traces')
-
+ action='store_false',
+ help='don\'t fix truncated circular traces')
+ parser.add_option('--no-compress', dest='compress_trace_data',
+ default=True, action='store_false',
+ help='Tell the device not to send the trace data in '
+ 'compressed form.')
parser.add_option('--link-assets', dest='link_assets', default=False,
- action='store_true', help='link to original CSS or JS resources '
- 'instead of embedding them')
+ action='store_true',
+ help='(deprecated)')
parser.add_option('--from-file', dest='from_file', action='store',
- help='read the trace from a file (compressed) rather than running a live trace')
+ help='read the trace from a file (compressed) rather than '
+ 'running a live trace')
parser.add_option('--asset-dir', dest='asset_dir', default='trace-viewer',
- type='string', help='')
+ type='string', help='(deprecated)')
parser.add_option('-e', '--serial', dest='device_serial', type='string',
help='adb device serial number')
+ parser.add_option('--agent-dirs', dest='agent_dirs', type='string',
+ help='the directories of additional systrace agent modules.'
+ ' The directories should be comma separated, e.g., '
+ '--agent-dirs=dir1,dir2,dir3. Directory |%s| is the default'
+ ' agent directory and will always be checked.'
+ % DEFAULT_AGENT_DIR)
- options, categories = parser.parse_args()
+ options, categories = parser.parse_args(argv[1:])
if options.link_assets or options.asset_dir != 'trace-viewer':
- parser.error('--link-assets and --asset-dir is deprecated.')
+ parser.error('--link-assets and --asset-dir are deprecated.')
- if options.list_categories:
- tracer_args = ['adb', 'shell', 'atrace --list_categories']
- expect_trace = False
- elif options.from_file is not None:
- tracer_args = ['cat', options.from_file]
- expect_trace = True
- else:
- atrace_args = ['atrace', '-z']
- expect_trace = True
+ if (options.trace_time is not None) and (options.trace_time <= 0):
+ parser.error('the trace time must be a positive number')
- if options.trace_time is not None:
- if options.trace_time > 0:
- atrace_args.extend(['-t', str(options.trace_time)])
- else:
- parser.error('the trace time must be a positive number')
+ if (options.trace_buf_size is not None) and (options.trace_buf_size <= 0):
+ parser.error('the trace buffer size must be a positive number')
- if options.trace_buf_size is not None:
- if options.trace_buf_size > 0:
- atrace_args.extend(['-b', str(options.trace_buf_size)])
- else:
- parser.error('the trace buffer size must be a positive number')
+ return (options, categories)
- if options.app_name is not None:
- atrace_args.extend(['-a', options.app_name])
- if options.kfuncs is not None:
- atrace_args.extend(['-k', options.kfuncs])
+def write_trace_html(html_filename, script_dir, agents):
+ """Writes out a trace html file.
- if not categories:
- categories = get_default_categories()
- atrace_args.extend(categories)
+ Args:
+ html_filename: The name of the file to write.
+ script_dir: The directory containing this script.
+ agents: The systrace agents.
+ """
+ html_prefix = read_asset(script_dir, 'prefix.html')
+ html_suffix = read_asset(script_dir, 'suffix.html')
+ trace_viewer_html = read_asset(script_dir, 'systrace_trace_viewer.html')
- if options.fix_threads:
- atrace_args.extend([';', 'ps', '-t'])
- tracer_args = ['adb', 'shell', ' '.join(atrace_args)]
+ # Open the file in binary mode to prevent python from changing the
+ # line endings.
+ html_file = open(html_filename, 'wb')
+ html_file.write(html_prefix.replace('{{SYSTRACE_TRACE_VIEWER_HTML}}',
+ trace_viewer_html))
- if tracer_args[0] == 'adb':
- add_adb_serial(tracer_args, options.device_serial)
+ html_file.write('<!-- BEGIN TRACE -->\n')
+ for a in agents:
+ html_file.write(' <script class="')
+ html_file.write(a.get_class_name())
+ html_file.write('" type="application/text">\n')
+ html_file.write(a.get_trace_data())
+ html_file.write(' </script>\n')
+ html_file.write('<!-- END TRACE -->\n')
+
+ html_file.write(html_suffix)
+ html_file.close()
+ print '\n wrote file://%s\n' % os.path.abspath(html_filename)
+
+
+def create_agents(options, categories):
+ """Create systrace agents.
+
+ This function will search systrace agent modules in agent directories and
+ create the corresponding systrace agents.
+ Args:
+ options: The command-line options.
+ categories: The trace categories to capture.
+ Returns:
+ The list of systrace agents.
+ """
+ agent_dirs = [os.path.join(os.path.dirname(__file__), DEFAULT_AGENT_DIR)]
+ if options.agent_dirs:
+ agent_dirs.extend(options.agent_dirs.split(','))
+
+ agents = []
+ for agent_dir in agent_dirs:
+ if not agent_dir:
+ continue
+ for filename in os.listdir(agent_dir):
+ (module_name, ext) = os.path.splitext(filename)
+ if ext != '.py' or module_name == '__init__':
+ continue
+ (f, pathname, data) = imp.find_module(module_name, [agent_dir])
+ try:
+ module = imp.load_module(module_name, f, pathname, data)
+ finally:
+ if f:
+ f.close()
+ if module:
+ agent = module.try_create_agent(options, categories)
+ if not agent:
+ continue
+ agents.append(agent)
+ return agents
+
+
+def main():
+ options, categories = parse_options(sys.argv)
+ agents = create_agents(options, categories)
+
+ if not agents:
+ dirs = DEFAULT_AGENT_DIR
+ if options.agent_dirs:
+ dirs += ',' + options.agent_dirs
+ print >> sys.stderr, ('No systrace agent is available in directories |%s|.'
+ % dirs)
+ sys.exit(1)
+
+ for a in agents:
+ a.start()
+
+ for a in agents:
+ a.collect_result()
+ if not a.expect_trace():
+ # Nothing more to do.
+ return
script_dir = os.path.dirname(os.path.abspath(sys.argv[0]))
+ write_trace_html(options.output_file, script_dir, agents)
- html_filename = options.output_file
-
- adb = subprocess.Popen(tracer_args, stdout=subprocess.PIPE,
- stderr=subprocess.PIPE)
-
- result = None
- data = []
-
- # Read the text portion of the output and watch for the 'TRACE:' marker that
- # indicates the start of the trace data.
- while result is None:
- ready = select.select([adb.stdout, adb.stderr], [], [adb.stdout, adb.stderr])
- if adb.stderr in ready[0]:
- err = os.read(adb.stderr.fileno(), 4096)
- sys.stderr.write(err)
- sys.stderr.flush()
- if adb.stdout in ready[0]:
- out = os.read(adb.stdout.fileno(), 4096)
- parts = out.split('\nTRACE:', 1)
-
- txt = parts[0].replace('\r', '')
- if len(parts) == 2:
- # The '\nTRACE:' match stole the last newline from the text, so add it
- # back here.
- txt += '\n'
- sys.stdout.write(txt)
- sys.stdout.flush()
-
- if len(parts) == 2:
- data.append(parts[1])
- sys.stdout.write("downloading trace...")
- sys.stdout.flush()
- break
-
- result = adb.poll()
-
- # Read and buffer the data portion of the output.
- while True:
- ready = select.select([adb.stdout, adb.stderr], [], [adb.stdout, adb.stderr])
- keepReading = False
- if adb.stderr in ready[0]:
- err = os.read(adb.stderr.fileno(), 4096)
- if len(err) > 0:
- keepReading = True
- sys.stderr.write(err)
- sys.stderr.flush()
- if adb.stdout in ready[0]:
- out = os.read(adb.stdout.fileno(), 4096)
- if len(out) > 0:
- keepReading = True
- data.append(out)
-
- if result is not None and not keepReading:
- break
-
- result = adb.poll()
-
- if result == 0:
- if expect_trace:
- data = ''.join(data)
-
- # Collapse CRLFs that are added by adb shell.
- if data.startswith('\r\n'):
- data = data.replace('\r\n', '\n')
-
- # Skip the initial newline.
- data = data[1:]
-
- if not data:
- print >> sys.stderr, ('No data was captured. Output file was not ' +
- 'written.')
- sys.exit(1)
- else:
- # Indicate to the user that the data download is complete.
- print " done\n"
-
- # Extract the thread list dumped by ps.
- threads = {}
- if options.fix_threads:
- parts = re.split('USER +PID +PPID +VSIZE +RSS +WCHAN +PC +NAME', data, 1)
- if len(parts) == 2:
- data = parts[0]
- for line in parts[1].splitlines():
- cols = line.split(None, 8)
- if len(cols) == 9:
- tid = int(cols[1])
- name = cols[8]
- threads[tid] = name
-
- # Decompress and preprocess the data.
- out = zlib.decompress(data)
- if options.fix_threads:
- def repl(m):
- tid = int(m.group(2))
- if tid > 0:
- name = threads.get(tid)
- if name is None:
- name = m.group(1)
- if name == '<...>':
- name = '<' + str(tid) + '>'
- threads[tid] = name
- return name + '-' + m.group(2)
- else:
- return m.group(0)
- out = re.sub(r'^\s*(\S+)-(\d+)', repl, out, flags=re.MULTILINE)
-
- if options.fix_circular:
- out = fix_circular_traces(out)
-
- html_prefix = read_asset(script_dir, 'prefix.html')
- html_suffix = read_asset(script_dir, 'suffix.html')
- trace_viewer_html = read_asset(script_dir, 'systrace_trace_viewer.html')
-
- html_file = open(html_filename, 'w')
- html_file.write(
- html_prefix.replace("{{SYSTRACE_TRACE_VIEWER_HTML}}", trace_viewer_html))
-
- html_file.write('<!-- BEGIN TRACE -->\n' +
- ' <script class="trace-data" type="application/text">\n')
- html_file.write(out)
- html_file.write(' </script>\n<!-- END TRACE -->\n')
-
- html_file.write(html_suffix)
- html_file.close()
- print "\n wrote file://%s\n" % os.path.abspath(options.output_file)
-
- else: # i.e. result != 0
- print >> sys.stderr, 'adb returned error code %d' % result
- sys.exit(1)
def read_asset(src_dir, filename):
return open(os.path.join(src_dir, filename)).read()
-def fix_circular_traces(out):
- """Fix inconsistentcies in traces due to circular buffering.
-
- The circular buffers are kept per CPU, so it is not guaranteed that the
- beginning of a slice is overwritten before the end. To work around this, we
- throw away the prefix of the trace where not all CPUs have events yet."""
-
- # If any of the CPU's buffers have filled up and
- # older events have been dropped, the kernel
- # emits markers of the form '##### CPU 2 buffer started ####' on
- # the line before the first event in the trace on that CPU.
- #
- # No such headers are emitted if there were no overflows or the trace
- # was captured with non-circular buffers.
- buffer_start_re = re.compile(r'^#+ CPU \d+ buffer started', re.MULTILINE)
-
- start_of_full_trace = 0
-
- while True:
- result = buffer_start_re.search(out, start_of_full_trace + 1)
- if result:
- start_of_full_trace = result.start()
- else:
- break
-
- if start_of_full_trace > 0:
- # Need to keep the header intact to make the importer happy.
- end_of_header = re.search(r'^[^#]', out, re.MULTILINE).start()
- out = out[:end_of_header] + out[start_of_full_trace:]
- return out
if __name__ == '__main__':
main()
diff --git a/systrace_agent.py b/systrace_agent.py
new file mode 100644
index 0000000..376d4f2
--- /dev/null
+++ b/systrace_agent.py
@@ -0,0 +1,61 @@
+# Copyright (c) 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+class SystraceAgent(object):
+ """The base class for systrace agents.
+
+ A systrace agent contains the command-line options and trace categories to
+ capture. Each systrace agent has its own tracing implementation.
+ """
+
+ def __init__(self, options, categories):
+ """Initialize a systrace agent.
+
+ Args:
+ options: The command-line options.
+ categories: The trace categories to capture.
+ """
+ self._options = options
+ self._categories = categories
+
+ def start(self):
+ """Start tracing.
+ """
+ raise NotImplementedError()
+
+ def collect_result(self):
+ """Collect the result of tracing.
+
+ This function will block while collecting the result. For sync mode, it
+ reads the data, e.g., from stdout, until it finishes. For async mode, it
+ blocks until the agent is stopped and the data is ready.
+ """
+ raise NotImplementedError()
+
+ def expect_trace(self):
+ """Check if the agent is returning a trace or not.
+
+ This will be determined in collect_result().
+ Returns:
+ Whether the agent is expecting a trace or not.
+ """
+ raise NotImplementedError()
+
+ def get_trace_data(self):
+ """Get the trace data.
+
+ Returns:
+ The trace data.
+ """
+ raise NotImplementedError()
+
+ def get_class_name(self):
+ """Get the class name
+
+ The class name is used to identify the trace type when the trace is written
+ to the html file
+ Returns:
+ The class name.
+ """
+ raise NotImplementedError()
diff --git a/test_data/atrace_data b/test_data/atrace_data
new file mode 100644
index 0000000..7b423e7
--- /dev/null
+++ b/test_data/atrace_data
@@ -0,0 +1,127 @@
+# tracer: nop
+#
+# entries-in-buffer/entries-written: 116/116 #P:1
+#
+# _-----=> irqs-off
+# / _----=> need-resched
+# | / _---=> hardirq/softirq
+# || / _--=> preempt-depth
+# ||| / delay
+# TASK-PID CPU# |||| TIMESTAMP FUNCTION
+# | | | |||| | |
+atrace-14446 [000] ...2 1212.465062: sched_switch: prev_comm=atrace prev_pid=14446 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.465074: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.465082: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1212.465092: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.465102: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.465126: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1212.465132: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.465139: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.465145: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1212.465227: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h5 1212.465297: sched_wakeup: comm=adbd pid=212 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.465306: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=adbd next_pid=212 next_prio=120
+adbd-212 [000] d..4 1212.465329: sched_wakeup: comm=adbd pid=209 prio=120 success=1 target_cpu=000
+adbd-212 [000] ...2 1212.465348: sched_switch: prev_comm=adbd prev_pid=212 prev_prio=120 prev_state=S ==> next_comm=adbd next_pid=209 next_prio=120
+/sbin/adbd-209 [000] d..4 1212.465395: sched_wakeup: comm=adbd pid=211 prio=120 success=1 target_cpu=000
+/sbin/adbd-209 [000] ...2 1212.465441: sched_switch: prev_comm=adbd prev_pid=209 prev_prio=120 prev_state=S ==> next_comm=adbd next_pid=211 next_prio=120
+adbd-211 [000] ...2 1212.465448: sched_switch: prev_comm=adbd prev_pid=211 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h5 1212.574554: sched_wakeup: comm=sensors.qcom pid=292 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.574566: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=sensors.qcom next_pid=292 next_prio=120
+sensors.qcom-292 [000] ...2 1212.574665: sched_switch: prev_comm=sensors.qcom prev_pid=292 prev_prio=120 prev_state=S ==> next_comm=sensors.qcom next_pid=14447 next_prio=120
+sensors.qcom-14447 [000] d..4 1212.574797: sched_wakeup: comm=sensors.qcom pid=1593 prio=120 success=1 target_cpu=000
+sensors.qcom-14447 [000] ...2 1212.574802: sched_switch: prev_comm=sensors.qcom prev_pid=14447 prev_prio=120 prev_state=R+ ==> next_comm=sensors.qcom next_pid=1593 next_prio=120
+sensors.qcom-1593 [000] ...2 1212.574819: sched_switch: prev_comm=sensors.qcom prev_pid=1593 prev_prio=120 prev_state=D ==> next_comm=sensors.qcom next_pid=14447 next_prio=120
+sensors.qcom-14447 [000] d..3 1212.574823: sched_wakeup: comm=sensors.qcom pid=1593 prio=120 success=1 target_cpu=000
+sensors.qcom-14447 [000] ...2 1212.574827: sched_switch: prev_comm=sensors.qcom prev_pid=14447 prev_prio=120 prev_state=R+ ==> next_comm=sensors.qcom next_pid=1593 next_prio=120
+sensors.qcom-1593 [000] d..4 1212.574865: sched_wakeup: comm=sensors.qcom pid=760 prio=120 success=1 target_cpu=000
+sensors.qcom-1593 [000] ...2 1212.574876: sched_switch: prev_comm=sensors.qcom prev_pid=1593 prev_prio=120 prev_state=S ==> next_comm=sensors.qcom next_pid=760 next_prio=120
+sensors.qcom-760 [000] d..4 1212.574905: sched_wakeup: comm=system_server pid=782 prio=118 success=1 target_cpu=000
+sensors.qcom-760 [000] ...2 1212.574917: sched_switch: prev_comm=sensors.qcom prev_pid=760 prev_prio=120 prev_state=S ==> next_comm=system_server next_pid=782 next_prio=118
+system_server-782 [000] d..4 1212.574981: sched_wakeup: comm=system_server pid=785 prio=118 success=1 target_cpu=000
+system_server-782 [000] ...2 1212.575009: sched_switch: prev_comm=system_server prev_pid=782 prev_prio=118 prev_state=S ==> next_comm=system_server next_pid=785 next_prio=118
+system_server-785 [000] ...2 1212.575045: sched_switch: prev_comm=system_server prev_pid=785 prev_prio=118 prev_state=S ==> next_comm=sensors.qcom next_pid=14447 next_prio=120
+sensors.qcom-14447 [000] ...3 1212.575143: sched_switch: prev_comm=sensors.qcom prev_pid=14447 prev_prio=120 prev_state=x ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.575153: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.575159: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1212.575167: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.575175: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.575181: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1212.575188: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.575195: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.575201: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1212.575211: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h4 1212.649601: sched_wakeup: comm=MMHandlerThread pid=7231 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.649614: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=MMHandlerThread next_pid=7231 next_prio=120
+MMHandlerThread-7231 [000] ...2 1212.649630: sched_switch: prev_comm=MMHandlerThread prev_pid=7231 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h6 1212.729539: sched_wakeup: comm=kworker/u:1 pid=21 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] dNs6 1212.729550: sched_wakeup: comm=kworker/0:2H pid=557 prio=100 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.729563: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=kworker/u:1 next_pid=21 next_prio=120
+kworker/u:1-21 [000] d..5 1212.729571: sched_wakeup: comm=mpdecision pid=2046 prio=113 success=1 target_cpu=000
+kworker/u:1-21 [000] ...2 1212.729578: sched_switch: prev_comm=kworker/u:1 prev_pid=21 prev_prio=120 prev_state=S ==> next_comm=kworker/0:2H next_pid=557 next_prio=100
+kworker/0:2H-557 [000] d..4 1212.729597: sched_wakeup: comm=kworker/0:1H pid=17 prio=100 success=1 target_cpu=000
+kworker/0:2H-557 [000] ...2 1212.729600: sched_switch: prev_comm=kworker/0:2H prev_pid=557 prev_prio=100 prev_state=D ==> next_comm=mpdecision next_pid=2046 next_prio=113
+mpdecision-2046 [000] ...2 1212.729801: sched_switch: prev_comm=mpdecision prev_pid=2046 prev_prio=113 prev_state=S ==> next_comm=kworker/0:1H next_pid=17 next_prio=100
+kworker/0:1H-17 [000] ...2 1212.730104: sched_switch: prev_comm=kworker/0:1H prev_pid=17 prev_prio=100 prev_state=D ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.730134: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.730154: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1212.730176: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.730201: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.730220: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1212.730241: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.730262: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.730280: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1212.730303: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h6 1212.730638: sched_wakeup: comm=kworker/u:0H pid=7 prio=100 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.730669: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=kworker/u:0H next_pid=7 next_prio=100
+kworker/u:0H-7 [000] d..6 1212.730707: sched_wakeup: comm=kworker/0:1H pid=17 prio=100 success=1 target_cpu=000
+kworker/u:0H-7 [000] ...2 1212.730728: sched_switch: prev_comm=kworker/u:0H prev_pid=7 prev_prio=100 prev_state=D ==> next_comm=kworker/0:1H next_pid=17 next_prio=100
+kworker/0:1H-17 [000] ...2 1212.730916: sched_switch: prev_comm=kworker/0:1H prev_pid=17 prev_prio=100 prev_state=D ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h6 1212.731632: sched_wakeup: comm=kworker/u:0H pid=7 prio=100 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.731661: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=kworker/u:0H next_pid=7 next_prio=100
+kworker/u:0H-7 [000] d..6 1212.731702: sched_wakeup: comm=kworker/0:1H pid=17 prio=100 success=1 target_cpu=000
+kworker/u:0H-7 [000] ...2 1212.731722: sched_switch: prev_comm=kworker/u:0H prev_pid=7 prev_prio=100 prev_state=D ==> next_comm=kworker/0:1H next_pid=17 next_prio=100
+kworker/0:1H-17 [000] ...2 1212.731832: sched_switch: prev_comm=kworker/0:1H prev_pid=17 prev_prio=100 prev_state=D ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h6 1212.732685: sched_wakeup: comm=kworker/u:0H pid=7 prio=100 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.732714: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=kworker/u:0H next_pid=7 next_prio=100
+kworker/u:0H-7 [000] d..6 1212.732747: sched_wakeup: comm=kworker/0:1H pid=17 prio=100 success=1 target_cpu=000
+kworker/u:0H-7 [000] ...2 1212.732767: sched_switch: prev_comm=kworker/u:0H prev_pid=7 prev_prio=100 prev_state=D ==> next_comm=kworker/0:1H next_pid=17 next_prio=100
+kworker/0:1H-17 [000] d..4 1212.732810: sched_wakeup: comm=kworker/0:2H pid=557 prio=100 success=1 target_cpu=000
+kworker/0:1H-17 [000] ...2 1212.732829: sched_switch: prev_comm=kworker/0:1H prev_pid=17 prev_prio=100 prev_state=S ==> next_comm=kworker/0:2H next_pid=557 next_prio=100
+kworker/0:2H-557 [000] ...2 1212.732854: sched_switch: prev_comm=kworker/0:2H prev_pid=557 prev_prio=100 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h4 1212.876266: sched_wakeup: comm=RILSender0 pid=1365 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] dNh4 1212.876284: sched_wakeup: comm=MMHandlerThread pid=7231 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.876316: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=RILSender0 next_pid=1365 next_prio=120
+RILSender0-1365 [000] ...2 1212.876415: sched_switch: prev_comm=RILSender0 prev_pid=1365 prev_prio=120 prev_state=S ==> next_comm=MMHandlerThread next_pid=7231 next_prio=120
+MMHandlerThread-7231 [000] ...2 1212.876454: sched_switch: prev_comm=MMHandlerThread prev_pid=7231 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h4 1213.089569: sched_wakeup: comm=Thread-625 pid=5750 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] dNh4 1213.089587: sched_wakeup: comm=MMHandlerThread pid=7231 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1213.089622: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=Thread-625 next_pid=5750 next_prio=120
+Thread-625-5750 [000] ...2 1213.089842: sched_switch: prev_comm=Thread-625 prev_pid=5750 prev_prio=120 prev_state=S ==> next_comm=MMHandlerThread next_pid=7231 next_prio=120
+MMHandlerThread-7231 [000] ...2 1213.089879: sched_switch: prev_comm=MMHandlerThread prev_pid=7231 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h4 1213.327439: sched_wakeup: comm=pandora.android pid=5395 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] dNh4 1213.327455: sched_wakeup: comm=MMHandlerThread pid=7231 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1213.327487: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=MMHandlerThread next_pid=7231 next_prio=120
+MMHandlerThread-7231 [000] ...2 1213.327518: sched_switch: prev_comm=MMHandlerThread prev_pid=7231 prev_prio=120 prev_state=S ==> next_comm=pandora.android next_pid=5395 next_prio=120
+com.pandora.android-5395 [000] d..4 1213.327718: sched_wakeup: comm=Binder_1 pid=780 prio=120 success=1 target_cpu=000
+com.pandora.android-5395 [000] ...2 1213.327739: sched_switch: prev_comm=pandora.android prev_pid=5395 prev_prio=120 prev_state=R+ ==> next_comm=Binder_1 next_pid=780 next_prio=120
+Binder_1-780 [000] ...2 1213.327763: sched_switch: prev_comm=Binder_1 prev_pid=780 prev_prio=120 prev_state=D ==> next_comm=pandora.android next_pid=5395 next_prio=120
+com.pandora.android-5395 [000] d..3 1213.327781: sched_wakeup: comm=Binder_1 pid=780 prio=120 success=1 target_cpu=000
+com.pandora.android-5395 [000] ...2 1213.327795: sched_switch: prev_comm=pandora.android prev_pid=5395 prev_prio=120 prev_state=R+ ==> next_comm=Binder_1 next_pid=780 next_prio=120
+Binder_1-780 [000] d..4 1213.328056: sched_wakeup: comm=Binder_1 pid=878 prio=120 success=1 target_cpu=000
+Binder_1-780 [000] ...2 1213.328095: sched_switch: prev_comm=Binder_1 prev_pid=780 prev_prio=120 prev_state=S ==> next_comm=Binder_1 next_pid=878 next_prio=120
+Binder_1-878 [000] d..4 1213.328263: sched_wakeup: comm=Binder_1 pid=780 prio=120 success=1 target_cpu=000
+Binder_1-878 [000] ...2 1213.328345: sched_switch: prev_comm=Binder_1 prev_pid=878 prev_prio=120 prev_state=S ==> next_comm=Binder_1 next_pid=780 next_prio=120
+Binder_1-780 [000] ...2 1213.328558: sched_switch: prev_comm=Binder_1 prev_pid=780 prev_prio=120 prev_state=S ==> next_comm=pandora.android next_pid=5395 next_prio=120
+com.pandora.android-5395 [000] ...2 1213.328743: sched_switch: prev_comm=pandora.android prev_pid=5395 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1213.328773: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1213.328793: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1213.328821: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1213.328846: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1213.328866: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1213.328891: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1213.328913: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1213.328931: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1213.328964: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h4 1213.465138: sched_wakeup: comm=atrace pid=14446 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1213.465171: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=atrace next_pid=14446 next_prio=120
diff --git a/test_data/atrace_data_raw b/test_data/atrace_data_raw
new file mode 100644
index 0000000..6500ec0
--- /dev/null
+++ b/test_data/atrace_data_raw
Binary files differ
diff --git a/test_data/atrace_data_stripped b/test_data/atrace_data_stripped
new file mode 100644
index 0000000..3261ebf
--- /dev/null
+++ b/test_data/atrace_data_stripped
@@ -0,0 +1,127 @@
+# tracer: nop
+#
+# entries-in-buffer/entries-written: 116/116 #P:1
+#
+# _-----=> irqs-off
+# / _----=> need-resched
+# | / _---=> hardirq/softirq
+# || / _--=> preempt-depth
+# ||| / delay
+# TASK-PID CPU# |||| TIMESTAMP FUNCTION
+# | | | |||| | |
+ atrace-14446 [000] ...2 1212.465062: sched_switch: prev_comm=atrace prev_pid=14446 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.465074: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.465082: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ ksoftirqd/0-3 [000] ...2 1212.465092: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.465102: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.465126: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ ksoftirqd/0-3 [000] ...2 1212.465132: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.465139: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.465145: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ ksoftirqd/0-3 [000] ...2 1212.465227: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h5 1212.465297: sched_wakeup: comm=adbd pid=212 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.465306: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=adbd next_pid=212 next_prio=120
+ adbd-212 [000] d..4 1212.465329: sched_wakeup: comm=adbd pid=209 prio=120 success=1 target_cpu=000
+ adbd-212 [000] ...2 1212.465348: sched_switch: prev_comm=adbd prev_pid=212 prev_prio=120 prev_state=S ==> next_comm=adbd next_pid=209 next_prio=120
+ adbd-209 [000] d..4 1212.465395: sched_wakeup: comm=adbd pid=211 prio=120 success=1 target_cpu=000
+ adbd-209 [000] ...2 1212.465441: sched_switch: prev_comm=adbd prev_pid=209 prev_prio=120 prev_state=S ==> next_comm=adbd next_pid=211 next_prio=120
+ adbd-211 [000] ...2 1212.465448: sched_switch: prev_comm=adbd prev_pid=211 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h5 1212.574554: sched_wakeup: comm=sensors.qcom pid=292 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.574566: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=sensors.qcom next_pid=292 next_prio=120
+ sensors.qcom-292 [000] ...2 1212.574665: sched_switch: prev_comm=sensors.qcom prev_pid=292 prev_prio=120 prev_state=S ==> next_comm=sensors.qcom next_pid=14447 next_prio=120
+ sensors.qcom-14447 [000] d..4 1212.574797: sched_wakeup: comm=sensors.qcom pid=1593 prio=120 success=1 target_cpu=000
+ sensors.qcom-14447 [000] ...2 1212.574802: sched_switch: prev_comm=sensors.qcom prev_pid=14447 prev_prio=120 prev_state=R+ ==> next_comm=sensors.qcom next_pid=1593 next_prio=120
+ sensors.qcom-1593 [000] ...2 1212.574819: sched_switch: prev_comm=sensors.qcom prev_pid=1593 prev_prio=120 prev_state=D ==> next_comm=sensors.qcom next_pid=14447 next_prio=120
+ sensors.qcom-14447 [000] d..3 1212.574823: sched_wakeup: comm=sensors.qcom pid=1593 prio=120 success=1 target_cpu=000
+ sensors.qcom-14447 [000] ...2 1212.574827: sched_switch: prev_comm=sensors.qcom prev_pid=14447 prev_prio=120 prev_state=R+ ==> next_comm=sensors.qcom next_pid=1593 next_prio=120
+ sensors.qcom-1593 [000] d..4 1212.574865: sched_wakeup: comm=sensors.qcom pid=760 prio=120 success=1 target_cpu=000
+ sensors.qcom-1593 [000] ...2 1212.574876: sched_switch: prev_comm=sensors.qcom prev_pid=1593 prev_prio=120 prev_state=S ==> next_comm=sensors.qcom next_pid=760 next_prio=120
+ sensors.qcom-760 [000] d..4 1212.574905: sched_wakeup: comm=system_server pid=782 prio=118 success=1 target_cpu=000
+ sensors.qcom-760 [000] ...2 1212.574917: sched_switch: prev_comm=sensors.qcom prev_pid=760 prev_prio=120 prev_state=S ==> next_comm=system_server next_pid=782 next_prio=118
+ system_server-782 [000] d..4 1212.574981: sched_wakeup: comm=system_server pid=785 prio=118 success=1 target_cpu=000
+ system_server-782 [000] ...2 1212.575009: sched_switch: prev_comm=system_server prev_pid=782 prev_prio=118 prev_state=S ==> next_comm=system_server next_pid=785 next_prio=118
+ system_server-785 [000] ...2 1212.575045: sched_switch: prev_comm=system_server prev_pid=785 prev_prio=118 prev_state=S ==> next_comm=sensors.qcom next_pid=14447 next_prio=120
+ sensors.qcom-14447 [000] ...3 1212.575143: sched_switch: prev_comm=sensors.qcom prev_pid=14447 prev_prio=120 prev_state=x ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.575153: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.575159: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ ksoftirqd/0-3 [000] ...2 1212.575167: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.575175: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.575181: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ ksoftirqd/0-3 [000] ...2 1212.575188: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.575195: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.575201: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ ksoftirqd/0-3 [000] ...2 1212.575211: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h4 1212.649601: sched_wakeup: comm=MMHandlerThread pid=7231 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.649614: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=MMHandlerThread next_pid=7231 next_prio=120
+ MMHandlerThread-7231 [000] ...2 1212.649630: sched_switch: prev_comm=MMHandlerThread prev_pid=7231 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h6 1212.729539: sched_wakeup: comm=kworker/u:1 pid=21 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] dNs6 1212.729550: sched_wakeup: comm=kworker/0:2H pid=557 prio=100 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.729563: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=kworker/u:1 next_pid=21 next_prio=120
+ kworker/u:1-21 [000] d..5 1212.729571: sched_wakeup: comm=mpdecision pid=2046 prio=113 success=1 target_cpu=000
+ kworker/u:1-21 [000] ...2 1212.729578: sched_switch: prev_comm=kworker/u:1 prev_pid=21 prev_prio=120 prev_state=S ==> next_comm=kworker/0:2H next_pid=557 next_prio=100
+ kworker/0:2H-557 [000] d..4 1212.729597: sched_wakeup: comm=kworker/0:1H pid=17 prio=100 success=1 target_cpu=000
+ kworker/0:2H-557 [000] ...2 1212.729600: sched_switch: prev_comm=kworker/0:2H prev_pid=557 prev_prio=100 prev_state=D ==> next_comm=mpdecision next_pid=2046 next_prio=113
+ mpdecision-2046 [000] ...2 1212.729801: sched_switch: prev_comm=mpdecision prev_pid=2046 prev_prio=113 prev_state=S ==> next_comm=kworker/0:1H next_pid=17 next_prio=100
+ kworker/0:1H-17 [000] ...2 1212.730104: sched_switch: prev_comm=kworker/0:1H prev_pid=17 prev_prio=100 prev_state=D ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.730134: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.730154: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ ksoftirqd/0-3 [000] ...2 1212.730176: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.730201: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.730220: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ ksoftirqd/0-3 [000] ...2 1212.730241: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.730262: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.730280: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ ksoftirqd/0-3 [000] ...2 1212.730303: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h6 1212.730638: sched_wakeup: comm=kworker/u:0H pid=7 prio=100 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.730669: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=kworker/u:0H next_pid=7 next_prio=100
+ kworker/u:0H-7 [000] d..6 1212.730707: sched_wakeup: comm=kworker/0:1H pid=17 prio=100 success=1 target_cpu=000
+ kworker/u:0H-7 [000] ...2 1212.730728: sched_switch: prev_comm=kworker/u:0H prev_pid=7 prev_prio=100 prev_state=D ==> next_comm=kworker/0:1H next_pid=17 next_prio=100
+ kworker/0:1H-17 [000] ...2 1212.730916: sched_switch: prev_comm=kworker/0:1H prev_pid=17 prev_prio=100 prev_state=D ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h6 1212.731632: sched_wakeup: comm=kworker/u:0H pid=7 prio=100 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.731661: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=kworker/u:0H next_pid=7 next_prio=100
+ kworker/u:0H-7 [000] d..6 1212.731702: sched_wakeup: comm=kworker/0:1H pid=17 prio=100 success=1 target_cpu=000
+ kworker/u:0H-7 [000] ...2 1212.731722: sched_switch: prev_comm=kworker/u:0H prev_pid=7 prev_prio=100 prev_state=D ==> next_comm=kworker/0:1H next_pid=17 next_prio=100
+ kworker/0:1H-17 [000] ...2 1212.731832: sched_switch: prev_comm=kworker/0:1H prev_pid=17 prev_prio=100 prev_state=D ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h6 1212.732685: sched_wakeup: comm=kworker/u:0H pid=7 prio=100 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.732714: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=kworker/u:0H next_pid=7 next_prio=100
+ kworker/u:0H-7 [000] d..6 1212.732747: sched_wakeup: comm=kworker/0:1H pid=17 prio=100 success=1 target_cpu=000
+ kworker/u:0H-7 [000] ...2 1212.732767: sched_switch: prev_comm=kworker/u:0H prev_pid=7 prev_prio=100 prev_state=D ==> next_comm=kworker/0:1H next_pid=17 next_prio=100
+ kworker/0:1H-17 [000] d..4 1212.732810: sched_wakeup: comm=kworker/0:2H pid=557 prio=100 success=1 target_cpu=000
+ kworker/0:1H-17 [000] ...2 1212.732829: sched_switch: prev_comm=kworker/0:1H prev_pid=17 prev_prio=100 prev_state=S ==> next_comm=kworker/0:2H next_pid=557 next_prio=100
+ kworker/0:2H-557 [000] ...2 1212.732854: sched_switch: prev_comm=kworker/0:2H prev_pid=557 prev_prio=100 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h4 1212.876266: sched_wakeup: comm=RILSender0 pid=1365 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] dNh4 1212.876284: sched_wakeup: comm=MMHandlerThread pid=7231 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.876316: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=RILSender0 next_pid=1365 next_prio=120
+ RILSender0-1365 [000] ...2 1212.876415: sched_switch: prev_comm=RILSender0 prev_pid=1365 prev_prio=120 prev_state=S ==> next_comm=MMHandlerThread next_pid=7231 next_prio=120
+ MMHandlerThread-7231 [000] ...2 1212.876454: sched_switch: prev_comm=MMHandlerThread prev_pid=7231 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h4 1213.089569: sched_wakeup: comm=Thread-625 pid=5750 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] dNh4 1213.089587: sched_wakeup: comm=MMHandlerThread pid=7231 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1213.089622: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=Thread-625 next_pid=5750 next_prio=120
+ Thread-625-5750 [000] ...2 1213.089842: sched_switch: prev_comm=Thread-625 prev_pid=5750 prev_prio=120 prev_state=S ==> next_comm=MMHandlerThread next_pid=7231 next_prio=120
+ MMHandlerThread-7231 [000] ...2 1213.089879: sched_switch: prev_comm=MMHandlerThread prev_pid=7231 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h4 1213.327439: sched_wakeup: comm=pandora.android pid=5395 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] dNh4 1213.327455: sched_wakeup: comm=MMHandlerThread pid=7231 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1213.327487: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=MMHandlerThread next_pid=7231 next_prio=120
+ MMHandlerThread-7231 [000] ...2 1213.327518: sched_switch: prev_comm=MMHandlerThread prev_pid=7231 prev_prio=120 prev_state=S ==> next_comm=pandora.android next_pid=5395 next_prio=120
+ pandora.android-5395 [000] d..4 1213.327718: sched_wakeup: comm=Binder_1 pid=780 prio=120 success=1 target_cpu=000
+ pandora.android-5395 [000] ...2 1213.327739: sched_switch: prev_comm=pandora.android prev_pid=5395 prev_prio=120 prev_state=R+ ==> next_comm=Binder_1 next_pid=780 next_prio=120
+ Binder_1-780 [000] ...2 1213.327763: sched_switch: prev_comm=Binder_1 prev_pid=780 prev_prio=120 prev_state=D ==> next_comm=pandora.android next_pid=5395 next_prio=120
+ pandora.android-5395 [000] d..3 1213.327781: sched_wakeup: comm=Binder_1 pid=780 prio=120 success=1 target_cpu=000
+ pandora.android-5395 [000] ...2 1213.327795: sched_switch: prev_comm=pandora.android prev_pid=5395 prev_prio=120 prev_state=R+ ==> next_comm=Binder_1 next_pid=780 next_prio=120
+ Binder_1-780 [000] d..4 1213.328056: sched_wakeup: comm=Binder_1 pid=878 prio=120 success=1 target_cpu=000
+ Binder_1-780 [000] ...2 1213.328095: sched_switch: prev_comm=Binder_1 prev_pid=780 prev_prio=120 prev_state=S ==> next_comm=Binder_1 next_pid=878 next_prio=120
+ Binder_1-878 [000] d..4 1213.328263: sched_wakeup: comm=Binder_1 pid=780 prio=120 success=1 target_cpu=000
+ Binder_1-878 [000] ...2 1213.328345: sched_switch: prev_comm=Binder_1 prev_pid=878 prev_prio=120 prev_state=S ==> next_comm=Binder_1 next_pid=780 next_prio=120
+ Binder_1-780 [000] ...2 1213.328558: sched_switch: prev_comm=Binder_1 prev_pid=780 prev_prio=120 prev_state=S ==> next_comm=pandora.android next_pid=5395 next_prio=120
+ pandora.android-5395 [000] ...2 1213.328743: sched_switch: prev_comm=pandora.android prev_pid=5395 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1213.328773: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1213.328793: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ ksoftirqd/0-3 [000] ...2 1213.328821: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1213.328846: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1213.328866: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ ksoftirqd/0-3 [000] ...2 1213.328891: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1213.328913: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1213.328931: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ ksoftirqd/0-3 [000] ...2 1213.328964: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h4 1213.465138: sched_wakeup: comm=atrace pid=14446 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1213.465171: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=atrace next_pid=14446 next_prio=120
diff --git a/test_data/atrace_data_thread_fixed b/test_data/atrace_data_thread_fixed
new file mode 100644
index 0000000..7b423e7
--- /dev/null
+++ b/test_data/atrace_data_thread_fixed
@@ -0,0 +1,127 @@
+# tracer: nop
+#
+# entries-in-buffer/entries-written: 116/116 #P:1
+#
+# _-----=> irqs-off
+# / _----=> need-resched
+# | / _---=> hardirq/softirq
+# || / _--=> preempt-depth
+# ||| / delay
+# TASK-PID CPU# |||| TIMESTAMP FUNCTION
+# | | | |||| | |
+atrace-14446 [000] ...2 1212.465062: sched_switch: prev_comm=atrace prev_pid=14446 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.465074: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.465082: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1212.465092: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.465102: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.465126: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1212.465132: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.465139: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.465145: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1212.465227: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h5 1212.465297: sched_wakeup: comm=adbd pid=212 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.465306: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=adbd next_pid=212 next_prio=120
+adbd-212 [000] d..4 1212.465329: sched_wakeup: comm=adbd pid=209 prio=120 success=1 target_cpu=000
+adbd-212 [000] ...2 1212.465348: sched_switch: prev_comm=adbd prev_pid=212 prev_prio=120 prev_state=S ==> next_comm=adbd next_pid=209 next_prio=120
+/sbin/adbd-209 [000] d..4 1212.465395: sched_wakeup: comm=adbd pid=211 prio=120 success=1 target_cpu=000
+/sbin/adbd-209 [000] ...2 1212.465441: sched_switch: prev_comm=adbd prev_pid=209 prev_prio=120 prev_state=S ==> next_comm=adbd next_pid=211 next_prio=120
+adbd-211 [000] ...2 1212.465448: sched_switch: prev_comm=adbd prev_pid=211 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h5 1212.574554: sched_wakeup: comm=sensors.qcom pid=292 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.574566: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=sensors.qcom next_pid=292 next_prio=120
+sensors.qcom-292 [000] ...2 1212.574665: sched_switch: prev_comm=sensors.qcom prev_pid=292 prev_prio=120 prev_state=S ==> next_comm=sensors.qcom next_pid=14447 next_prio=120
+sensors.qcom-14447 [000] d..4 1212.574797: sched_wakeup: comm=sensors.qcom pid=1593 prio=120 success=1 target_cpu=000
+sensors.qcom-14447 [000] ...2 1212.574802: sched_switch: prev_comm=sensors.qcom prev_pid=14447 prev_prio=120 prev_state=R+ ==> next_comm=sensors.qcom next_pid=1593 next_prio=120
+sensors.qcom-1593 [000] ...2 1212.574819: sched_switch: prev_comm=sensors.qcom prev_pid=1593 prev_prio=120 prev_state=D ==> next_comm=sensors.qcom next_pid=14447 next_prio=120
+sensors.qcom-14447 [000] d..3 1212.574823: sched_wakeup: comm=sensors.qcom pid=1593 prio=120 success=1 target_cpu=000
+sensors.qcom-14447 [000] ...2 1212.574827: sched_switch: prev_comm=sensors.qcom prev_pid=14447 prev_prio=120 prev_state=R+ ==> next_comm=sensors.qcom next_pid=1593 next_prio=120
+sensors.qcom-1593 [000] d..4 1212.574865: sched_wakeup: comm=sensors.qcom pid=760 prio=120 success=1 target_cpu=000
+sensors.qcom-1593 [000] ...2 1212.574876: sched_switch: prev_comm=sensors.qcom prev_pid=1593 prev_prio=120 prev_state=S ==> next_comm=sensors.qcom next_pid=760 next_prio=120
+sensors.qcom-760 [000] d..4 1212.574905: sched_wakeup: comm=system_server pid=782 prio=118 success=1 target_cpu=000
+sensors.qcom-760 [000] ...2 1212.574917: sched_switch: prev_comm=sensors.qcom prev_pid=760 prev_prio=120 prev_state=S ==> next_comm=system_server next_pid=782 next_prio=118
+system_server-782 [000] d..4 1212.574981: sched_wakeup: comm=system_server pid=785 prio=118 success=1 target_cpu=000
+system_server-782 [000] ...2 1212.575009: sched_switch: prev_comm=system_server prev_pid=782 prev_prio=118 prev_state=S ==> next_comm=system_server next_pid=785 next_prio=118
+system_server-785 [000] ...2 1212.575045: sched_switch: prev_comm=system_server prev_pid=785 prev_prio=118 prev_state=S ==> next_comm=sensors.qcom next_pid=14447 next_prio=120
+sensors.qcom-14447 [000] ...3 1212.575143: sched_switch: prev_comm=sensors.qcom prev_pid=14447 prev_prio=120 prev_state=x ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.575153: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.575159: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1212.575167: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.575175: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.575181: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1212.575188: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.575195: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.575201: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1212.575211: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h4 1212.649601: sched_wakeup: comm=MMHandlerThread pid=7231 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.649614: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=MMHandlerThread next_pid=7231 next_prio=120
+MMHandlerThread-7231 [000] ...2 1212.649630: sched_switch: prev_comm=MMHandlerThread prev_pid=7231 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h6 1212.729539: sched_wakeup: comm=kworker/u:1 pid=21 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] dNs6 1212.729550: sched_wakeup: comm=kworker/0:2H pid=557 prio=100 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.729563: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=kworker/u:1 next_pid=21 next_prio=120
+kworker/u:1-21 [000] d..5 1212.729571: sched_wakeup: comm=mpdecision pid=2046 prio=113 success=1 target_cpu=000
+kworker/u:1-21 [000] ...2 1212.729578: sched_switch: prev_comm=kworker/u:1 prev_pid=21 prev_prio=120 prev_state=S ==> next_comm=kworker/0:2H next_pid=557 next_prio=100
+kworker/0:2H-557 [000] d..4 1212.729597: sched_wakeup: comm=kworker/0:1H pid=17 prio=100 success=1 target_cpu=000
+kworker/0:2H-557 [000] ...2 1212.729600: sched_switch: prev_comm=kworker/0:2H prev_pid=557 prev_prio=100 prev_state=D ==> next_comm=mpdecision next_pid=2046 next_prio=113
+mpdecision-2046 [000] ...2 1212.729801: sched_switch: prev_comm=mpdecision prev_pid=2046 prev_prio=113 prev_state=S ==> next_comm=kworker/0:1H next_pid=17 next_prio=100
+kworker/0:1H-17 [000] ...2 1212.730104: sched_switch: prev_comm=kworker/0:1H prev_pid=17 prev_prio=100 prev_state=D ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.730134: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.730154: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1212.730176: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.730201: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.730220: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1212.730241: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1212.730262: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.730280: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1212.730303: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h6 1212.730638: sched_wakeup: comm=kworker/u:0H pid=7 prio=100 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.730669: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=kworker/u:0H next_pid=7 next_prio=100
+kworker/u:0H-7 [000] d..6 1212.730707: sched_wakeup: comm=kworker/0:1H pid=17 prio=100 success=1 target_cpu=000
+kworker/u:0H-7 [000] ...2 1212.730728: sched_switch: prev_comm=kworker/u:0H prev_pid=7 prev_prio=100 prev_state=D ==> next_comm=kworker/0:1H next_pid=17 next_prio=100
+kworker/0:1H-17 [000] ...2 1212.730916: sched_switch: prev_comm=kworker/0:1H prev_pid=17 prev_prio=100 prev_state=D ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h6 1212.731632: sched_wakeup: comm=kworker/u:0H pid=7 prio=100 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.731661: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=kworker/u:0H next_pid=7 next_prio=100
+kworker/u:0H-7 [000] d..6 1212.731702: sched_wakeup: comm=kworker/0:1H pid=17 prio=100 success=1 target_cpu=000
+kworker/u:0H-7 [000] ...2 1212.731722: sched_switch: prev_comm=kworker/u:0H prev_pid=7 prev_prio=100 prev_state=D ==> next_comm=kworker/0:1H next_pid=17 next_prio=100
+kworker/0:1H-17 [000] ...2 1212.731832: sched_switch: prev_comm=kworker/0:1H prev_pid=17 prev_prio=100 prev_state=D ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h6 1212.732685: sched_wakeup: comm=kworker/u:0H pid=7 prio=100 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.732714: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=kworker/u:0H next_pid=7 next_prio=100
+kworker/u:0H-7 [000] d..6 1212.732747: sched_wakeup: comm=kworker/0:1H pid=17 prio=100 success=1 target_cpu=000
+kworker/u:0H-7 [000] ...2 1212.732767: sched_switch: prev_comm=kworker/u:0H prev_pid=7 prev_prio=100 prev_state=D ==> next_comm=kworker/0:1H next_pid=17 next_prio=100
+kworker/0:1H-17 [000] d..4 1212.732810: sched_wakeup: comm=kworker/0:2H pid=557 prio=100 success=1 target_cpu=000
+kworker/0:1H-17 [000] ...2 1212.732829: sched_switch: prev_comm=kworker/0:1H prev_pid=17 prev_prio=100 prev_state=S ==> next_comm=kworker/0:2H next_pid=557 next_prio=100
+kworker/0:2H-557 [000] ...2 1212.732854: sched_switch: prev_comm=kworker/0:2H prev_pid=557 prev_prio=100 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h4 1212.876266: sched_wakeup: comm=RILSender0 pid=1365 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] dNh4 1212.876284: sched_wakeup: comm=MMHandlerThread pid=7231 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1212.876316: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=RILSender0 next_pid=1365 next_prio=120
+RILSender0-1365 [000] ...2 1212.876415: sched_switch: prev_comm=RILSender0 prev_pid=1365 prev_prio=120 prev_state=S ==> next_comm=MMHandlerThread next_pid=7231 next_prio=120
+MMHandlerThread-7231 [000] ...2 1212.876454: sched_switch: prev_comm=MMHandlerThread prev_pid=7231 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h4 1213.089569: sched_wakeup: comm=Thread-625 pid=5750 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] dNh4 1213.089587: sched_wakeup: comm=MMHandlerThread pid=7231 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1213.089622: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=Thread-625 next_pid=5750 next_prio=120
+Thread-625-5750 [000] ...2 1213.089842: sched_switch: prev_comm=Thread-625 prev_pid=5750 prev_prio=120 prev_state=S ==> next_comm=MMHandlerThread next_pid=7231 next_prio=120
+MMHandlerThread-7231 [000] ...2 1213.089879: sched_switch: prev_comm=MMHandlerThread prev_pid=7231 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h4 1213.327439: sched_wakeup: comm=pandora.android pid=5395 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] dNh4 1213.327455: sched_wakeup: comm=MMHandlerThread pid=7231 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1213.327487: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=MMHandlerThread next_pid=7231 next_prio=120
+MMHandlerThread-7231 [000] ...2 1213.327518: sched_switch: prev_comm=MMHandlerThread prev_pid=7231 prev_prio=120 prev_state=S ==> next_comm=pandora.android next_pid=5395 next_prio=120
+com.pandora.android-5395 [000] d..4 1213.327718: sched_wakeup: comm=Binder_1 pid=780 prio=120 success=1 target_cpu=000
+com.pandora.android-5395 [000] ...2 1213.327739: sched_switch: prev_comm=pandora.android prev_pid=5395 prev_prio=120 prev_state=R+ ==> next_comm=Binder_1 next_pid=780 next_prio=120
+Binder_1-780 [000] ...2 1213.327763: sched_switch: prev_comm=Binder_1 prev_pid=780 prev_prio=120 prev_state=D ==> next_comm=pandora.android next_pid=5395 next_prio=120
+com.pandora.android-5395 [000] d..3 1213.327781: sched_wakeup: comm=Binder_1 pid=780 prio=120 success=1 target_cpu=000
+com.pandora.android-5395 [000] ...2 1213.327795: sched_switch: prev_comm=pandora.android prev_pid=5395 prev_prio=120 prev_state=R+ ==> next_comm=Binder_1 next_pid=780 next_prio=120
+Binder_1-780 [000] d..4 1213.328056: sched_wakeup: comm=Binder_1 pid=878 prio=120 success=1 target_cpu=000
+Binder_1-780 [000] ...2 1213.328095: sched_switch: prev_comm=Binder_1 prev_pid=780 prev_prio=120 prev_state=S ==> next_comm=Binder_1 next_pid=878 next_prio=120
+Binder_1-878 [000] d..4 1213.328263: sched_wakeup: comm=Binder_1 pid=780 prio=120 success=1 target_cpu=000
+Binder_1-878 [000] ...2 1213.328345: sched_switch: prev_comm=Binder_1 prev_pid=878 prev_prio=120 prev_state=S ==> next_comm=Binder_1 next_pid=780 next_prio=120
+Binder_1-780 [000] ...2 1213.328558: sched_switch: prev_comm=Binder_1 prev_pid=780 prev_prio=120 prev_state=S ==> next_comm=pandora.android next_pid=5395 next_prio=120
+com.pandora.android-5395 [000] ...2 1213.328743: sched_switch: prev_comm=pandora.android prev_pid=5395 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1213.328773: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1213.328793: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1213.328821: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1213.328846: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1213.328866: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1213.328891: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d..4 1213.328913: sched_wakeup: comm=ksoftirqd/0 pid=3 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1213.328931: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=ksoftirqd/0 next_pid=3 next_prio=120
+ksoftirqd/0-3 [000] ...2 1213.328964: sched_switch: prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==> next_comm=swapper/0 next_pid=0 next_prio=120
+ <idle>-0 [000] d.h4 1213.465138: sched_wakeup: comm=atrace pid=14446 prio=120 success=1 target_cpu=000
+ <idle>-0 [000] ...2 1213.465171: sched_switch: prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=atrace next_pid=14446 next_prio=120
diff --git a/test_data/atrace_data_with_thread_list b/test_data/atrace_data_with_thread_list
new file mode 100644
index 0000000..860d73f
--- /dev/null
+++ b/test_data/atrace_data_with_thread_list
Binary files differ
diff --git a/test_data/atrace_thread_names b/test_data/atrace_thread_names
new file mode 100644
index 0000000..bff5d1b
--- /dev/null
+++ b/test_data/atrace_thread_names
@@ -0,0 +1 @@
+{1: '/init', 2: 'kthreadd', 3: 'ksoftirqd/0', 7: 'kworker/u:0H', 8: 'migration/0', 13: 'khelper', 14: 'netns', 17: 'kworker/0:1H', 18: 'modem_notifier', 19: 'smd_channel_clo', 20: 'smsm_cb_wq', 21: 'kworker/u:1', 22: 'rpm-smd', 23: 'kworker/u:1H', 24: 'irq/317-earjack', 25: 'sync_supers', 26: 'bdi-default', 27: 'kblockd', 28: 'vmalloc', 29: 'khubd', 30: 'irq/102-msm_iom', 31: 'irq/102-msm_iom', 32: 'irq/102-msm_iom', 33: 'irq/79-msm_iomm', 34: 'irq/78-msm_iomm', 35: 'irq/78-msm_iomm', 36: 'irq/74-msm_iomm', 37: 'irq/75-msm_iomm', 38: 'irq/75-msm_iomm', 39: 'irq/75-msm_iomm', 40: 'irq/75-msm_iomm', 41: 'irq/273-msm_iom', 42: 'irq/273-msm_iom', 43: 'irq/97-msm_iomm', 44: 'irq/97-msm_iomm', 45: 'irq/97-msm_iomm', 46: 'l2cap', 47: 'a2mp', 48: 'cfg80211', 49: 'qmi', 50: 'nmea', 51: 'msm_ipc_router', 52: 'apr_driver', 54: 'kswapd0', 55: 'fsnotify_mark', 56: 'cifsiod', 57: 'crypto', 75: 'ad_calc_wq', 76: 'hdmi_tx_workq', 77: 'anx7808_work', 78: 'k_hsuart', 79: 'diag_wq', 80: 'diag_cntl_wq', 81: 'diag_dci_wq', 82: 'kgsl-3d0', 84: 'f9966000.spi', 88: 'usbnet', 89: 'irq/329-anx7808', 90: 'k_rmnet_mux_wor', 91: 'f_mtp', 92: 'file-storage', 93: 'uether', 94: 'synaptics_wq', 95: 'irq/362-s3350', 96: 'kworker/0:2', 97: 'msm_vidc_worker', 98: 'msm_vidc_worker', 99: 'msm_cpp_workque', 100: 'irq/350-bq51013', 102: 'dm_bufio_cache', 103: 'dbs_sync/0', 104: 'dbs_sync/1', 105: 'dbs_sync/2', 106: 'dbs_sync/3', 107: 'cfinteractive', 108: 'irq/170-msm_sdc', 109: 'binder', 110: 'usb_bam_wq', 111: 'krfcommd', 112: 'bam_dmux_rx', 113: 'bam_dmux_tx', 114: 'rq_stats', 115: 'deferwq', 117: 'irq/361-MAX1704', 119: 'mmcqd/1', 120: 'mmcqd/1rpmb', 121: 'wl_event_handle', 122: 'dhd_watchdog_th', 123: 'dhd_dpc', 124: 'dhd_rxf', 125: 'dhd_sysioc', 126: 'vibrator', 127: 'max1462x', 128: 'irq/310-maxim_m', 129: 'irq/311-maxim_m', 130: '/sbin/ueventd', 132: 'jbd2/mmcblk0p25', 133: 'ext4-dio-unwrit', 136: 'flush-179:0', 138: 'jbd2/mmcblk0p28', 139: 'ext4-dio-unwrit', 143: 'jbd2/mmcblk0p27', 144: 'ext4-dio-unwrit', 145: 'jbd2/mmcblk0p16', 146: 'ext4-dio-unwrit', 13678: 'Heap thread poo', 13679: 'Heap thread poo', 13680: 'Signal Catcher', 13681: 'JDWP', 169: '/system/bin/logd', 170: '/sbin/healthd', 171: '/system/bin/lmkd', 172: '/system/bin/servicemanager', 173: '/system/bin/vold', 174: 'IPCRTR', 175: 'sb-1', 177: 'ipc_rtr_q6_ipcr', 179: 'ngd_msm_ctrl_ng', 180: '/system/bin/surfaceflinger', 181: '/system/bin/rmt_storage', 182: '/system/bin/qseecomd', 183: 'msm_slim_qmi_cl', 184: 'msm_qmi_rtx_q', 185: '/system/bin/sh', 187: '/system/bin/subsystem_ramdump', 188: '/system/bin/netd', 189: '/system/bin/debuggerd', 191: '/system/bin/rild', 192: '/system/bin/drmserver', 194: '/system/bin/mediaserver', 195: '/system/bin/installd', 197: '/system/bin/keystore', 198: '/system/bin/bridgemgrd', 199: '/system/bin/qmuxd', 200: '/system/bin/netmgrd', 201: '/system/bin/sensors.qcom', 204: '/system/bin/thermal-engine-hh', 205: 'zygote', 206: '/system/bin/sdcard', 207: '/system/bin/mm-qcamera-daemon', 208: '/system/bin/time_daemon', 209: '/sbin/adbd', 210: 'adbd', 211: 'adbd', 212: 'adbd', 214: 'irq/288-wcd9xxx', 216: 'logd.reader', 217: 'logd.writer', 218: 'logd', 219: 'kauditd', 13690: 'pool-1-thread-1', 223: 'vold', 226: 'vold', 227: 'sdcard', 228: 'sdcard', 240: 'Binder_1', 242: 'DispSync', 243: 'Binder_2', 244: 'logd.auditd', 247: 'thermal-engine-', 250: 'thermal-engine-', 13695: 'org.chromium.chrome.shell', 252: 'thermal-engine-', 253: 'thermal-engine-', 254: 'thermal-engine-', 255: 'thermal-engine-', 257: 'thermal-engine-', 258: 'thermal-engine-', 259: 'thermal-engine-', 260: 'thermal-engine-', 261: 'thermal-engine-', 262: 'thermal-engine-', 263: 'thermal-engine-', 264: 'thermal-engine-', 265: 'thermal-engine-', 266: 'thermal-engine-', 267: 'thermal-engine-', 268: 'thermal-engine-', 269: 'thermal-engine-', 270: 'thermal-engine-', 272: 'thermal-engine-', 273: 'thermal-engine-', 275: 'thermal-engine-', 276: 'thermal-engine-', 277: 'thermal-engine-', 278: 'thermal-engine-', 280: 'thermal-engine-', 281: 'thermal-engine-', 282: 'thermal-engine-', 283: 'thermal-engine-', 284: 'thermal-engine-', 286: 'thermal-engine-', 287: 'thermal-engine-', 288: 'bridgemgrd', 289: 'netmgrd', 290: 'sensors.qcom', 292: 'sensors.qcom', 293: 'qmuxd', 295: 'thermal-engine-', 297: 'thermal-engine-', 299: 'thermal-engine-', 300: 'thermal-engine-', 301: 'thermal-engine-', 308: 'time_daemon', 311: 'msm_thermal:hot', 312: 'msm_thermal:fre', 13707: 'FinalizerDaemon', 335: 'rild', 13710: 'GCDaemon', 343: 'rild', 346: 'rild', 13711: 'Binder_1', 348: '/system/bin/qseecomd', 349: 'qseecomd', 351: 'qseecomd', 360: 'mdss_fb0', 361: 'hwcUeventThread', 362: 'hwcVsyncThread', 8569: 'Binder_4', 8572: 'Binder_5', 8575: 'Binder_5', 386: 'qseecomd', 387: 'qseecomd', 8580: 'Binder_6', 8581: 'Binder_5', 396: 'GL updater', 397: 'surfaceflinger', 398: 'EventThread', 399: 'surfaceflinger', 400: 'EventThread', 401: 'EventControl', 13721: 'Heap thread poo', 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12232: 'Background Non-', 12235: 'Background Bloc', 12236: 'Background Bloc', 12237: 'Background Non-', 4135: 'AsyncTask #2', 4159: 'AsyncTask #3', 4180: 'AsyncTask #2', 4184: 'AsyncTask #4', 12988: 'Binder_2', 4210: 'AsyncTask #5', 4221: 'AsyncTask #3', 4223: 'AsyncTask #4', 4226: 'AsyncTask #4', 4227: 'com.android.bluetooth', 4231: 'Heap thread poo', 4233: 'Heap thread poo', 4235: 'Heap thread poo', 4236: 'Signal Catcher', 4237: 'JDWP', 4238: 'ReferenceQueueD', 12431: 'kworker/u:2', 4240: 'FinalizerWatchd', 4241: 'HeapTrimmerDaem', 4242: 'GCDaemon', 4243: 'Binder_1', 4244: 'Binder_2', 12448: 'OkHttp Connecti', 12449: 'OkHttp Connecti', 4265: 'UsbDebuggingMan', 12484: 'AsyncTask #4', 13782: 'Heap thread poo', 4308: 'BluetoothAdapte', 4309: 'droid.bluetooth', 4311: 'bluedroid wake/', 4312: 'BT Service Call', 4315: 'BondStateMachin', 4316: 'Binder_3', 4317: 'Binder_4', 4318: 'HeadsetStateMac', 4320: 'BluetoothAvrcpH', 4321: 'A2dpStateMachin', 4322: 'A2DP-MEDIA', 4323: 'uipc-main', 4324: 'BluetoothHdpHan', 4325: 'droid.bluetooth', 4326: 'BluetoothAdvert', 4327: 'BluetoothScanMa', 4331: 'bluedroid wake/', 4333: 'bt_hc_worker', 4338: 'userial_read', 13784: 'Signal Catcher', 12576: 'AsyncTask #5', 13785: 'JDWP', 4390: 'pool-13-thread-', 4391: 'pool-18-thread-', 4392: 'pool-11-thread-', 4394: 'pool-25-thread-', 4395: 'pool-25-thread-', 4396: 'pool-25-thread-', 4397: 'pool-25-thread-', 4398: 'pool-14-thread-', 13786: 'ReferenceQueueD', 13787: 'FinalizerDaemon', 13788: 'FinalizerWatchd', 4478: 'BT Service Call', 4479: 'bt_hc_worker', 4480: 'Binder_4', 4481: 'bt_hc_worker', 4482: 'BluetoothMapAcc', 13789: 'HeapTrimmerDaem', 4521: 'MediaTracker bu', 14407: 'Binder_3', 6217: 'HeapTrimmerDaem', 4541: 'RefQueueWorker@', 13791: 'Binder_1', 4571: 'Stk App Service', 4597: 'com.qualcomm.qcrilmsgtunnel', 4603: 'Heap thread poo', 4604: 'Heap thread poo', 4605: 'Heap thread poo', 4606: 'Signal Catcher', 4607: 'JDWP', 4608: 'ReferenceQueueD', 4609: 'FinalizerDaemon', 4610: 'FinalizerWatchd', 4611: 'HeapTrimmerDaem', 4612: 'GCDaemon', 4613: 'Binder_1', 4614: 'Binder_2', 4615: 'QcRilReceiver', 4616: 'QcRilSender', 4735: 'pool-8-thread-1', 4749: 'CopresenceEvent', 4766: 'Icing-Pool-0', 4770: 'Binder_6', 4771: 'Icing-Worker-0', 12971: 'com.life360.android.safetymapd:service', 12977: 'Heap thread poo', 12978: 'Heap thread poo', 12979: 'Heap thread poo', 12980: 'Signal Catcher', 12981: 'JDWP', 12982: 'ReferenceQueueD', 12983: 'FinalizerDaemon', 12984: 'FinalizerWatchd', 12985: 'HeapTrimmerDaem', 12986: 'GCDaemon', 12987: 'Binder_1', 4796: 'Thread-200', 4797: 'Thread-201', 4798: 'Thread-202', 4799: 'Thread-203', 4800: 'Thread-204', 9001: 'Gservices', 13071: 'com.xianguo.tingguo', 13075: 'Heap thread poo', 13076: 'Heap thread poo', 13077: 'Heap thread poo', 13080: 'Signal Catcher', 13081: 'JDWP', 13082: 'ReferenceQueueD', 13083: 'FinalizerDaemon', 13084: 'FinalizerWatchd', 13085: 'HeapTrimmerDaem', 13086: 'GCDaemon', 13087: 'Binder_1', 13088: 'Binder_2', 13090: 'SoundPool', 13091: 'SoundPoolThread', 13099: 'WifiManager', 4917: 'Binder_3', 9024: 'GamesProviderWo', 13276: 'WifiManager', 13345: 'com.google.android.apps.photos', 13351: 'Heap thread poo', 13352: 'Heap thread poo', 13353: 'Heap thread poo', 13354: 'Signal Catcher', 13355: 'JDWP', 13356: 'ReferenceQueueD', 13357: 'FinalizerDaemon', 13358: 'FinalizerWatchd', 13359: 'HeapTrimmerDaem', 13360: 'GCDaemon', 13361: 'Binder_1', 13362: 'Binder_2', 5239: '.iqiyipushserviceGlobal', 5242: 'Heap thread poo', 5244: 'Heap thread poo', 5245: 'Heap thread poo', 5248: 'Signal Catcher', 5249: 'JDWP', 5250: 'ReferenceQueueD', 5251: 'FinalizerDaemon', 5252: 'FinalizerWatchd', 5253: 'HeapTrimmerDaem', 5254: 'GCDaemon', 5255: 'Binder_1', 5257: 'Binder_2', 5280: 'RefQueueWorker@', 5281: 'Binder_3', 5285: '.iqiyipushserviceGlobal', 13491: 'com.google.android.apps.plus', 13493: 'Heap thread poo', 13494: 'Heap thread poo', 13495: 'Heap thread poo', 13497: 'Signal Catcher', 13499: 'JDWP', 13502: 'ReferenceQueueD', 13503: 'FinalizerDaemon', 13504: 'FinalizerWatchd', 13505: 'HeapTrimmerDaem', 13506: 'GCDaemon', 13507: 'Binder_1', 13508: 'Binder_2', 13512: 'picasa-photo-pr', 5323: 'com.strava', 13516: 'android.process.acore', 5327: 'Heap thread poo', 13520: 'Heap thread poo', 5329: 'Heap thread poo', 13522: 'Heap thread poo', 5332: 'Signal Catcher', 5333: 'JDWP', 5334: 'ReferenceQueueD', 13527: 'ReferenceQueueD', 5336: 'FinalizerWatchd', 13529: 'FinalizerDaemon', 13530: 'FinalizerWatchd', 13531: 'HeapTrimmerDaem', 13532: 'GCDaemon', 13533: 'Binder_1', 13534: 'Binder_2', 13536: 'ContactsProvide', 13537: 'CallLogProvider', 13538: 'pool-2-thread-1', 5347: 'Queue', 5348: 'Queue', 5349: 'Queue', 5352: 'Crashlytics Exc', 5354: 'pool-3-thread-1', 5361: 'Micro Client Co', 5362: 'Micro Client Co', 5363: 'Micro Client Ca', 5364: 'Thread-584', 5365: 'Thread-585', 5366: 'Thread-586', 5367: 'pool-4-thread-1', 5369: 'Crashlytics Tra', 5372: 'Thread-593', 5373: 'Thread-594', 5374: 'Thread-595', 5375: 'Thread-596', 5376: 'pool-6-thread-1', 5377: 'Thread-598', 5378: 'Thread-599', 5379: 'Thread-600', 5381: 'Thread-602', 5383: 'Thread #1', 5384: 'AsyncTask #1', 5387: 'Thread-605', 5388: 'Thread-606', 5389: 'Thread-607', 5390: 'Thread-608', 5391: 'Thread-609', 5393: 'eNowAuthService', 5394: 'Thread #2', 5395: 'com.pandora.android', 5397: 'Heap thread poo', 5398: 'Heap thread poo', 5399: 'Heap thread poo', 5401: 'Signal Catcher', 5403: 'JDWP', 5407: 'ReferenceQueueD', 5408: 'FinalizerDaemon', 5409: 'FinalizerWatchd', 5410: 'HeapTrimmerDaem', 5411: 'GCDaemon', 5414: 'Binder_1', 5416: 'Binder_2', 13613: 'com.sohu.inputmethod.sogou:classic', 5422: 'Crashlytics Exc', 13616: 'Heap thread poo', 13617: 'Heap thread poo', 13618: 'Heap thread poo', 13620: 'Signal Catcher', 5429: 'pool-2-thread-1', 5430: 'AsyncTask #1', 13623: 'JDWP', 13624: 'ReferenceQueueD', 13625: 'FinalizerDaemon', 13626: 'FinalizerWatchd', 13627: 'HeapTrimmerDaem', 13628: 'GCDaemon', 5437: 'Crashlytics Tra', 13630: 'Binder_2', 5439: 'AsyncTask #2', 5440: 'pool-4-thread-1', 5443: 'PurchasingManag', 13636: 'Thread-1444', 5445: 'AsyncTask #3', 13638: 'Thread-1446', 13639: 'Thread-1447', 13641: 'WifiManager', 13647: 'com.sohu.inputmethod.sogou', 13651: 'Heap thread poo', 13652: 'Heap thread poo', 13653: 'Heap thread poo', 13656: 'Signal Catcher', 13657: 'JDWP', 13658: 'ReferenceQueueD', 13659: 'FinalizerDaemon', 5468: 'Okio Watchdog', 13661: 'HeapTrimmerDaem', 13662: 'GCDaemon', 13663: 'Binder_1', 13664: 'Binder_2', 5474: 'tunein.player', 5479: 'Heap thread poo', 5480: 'Heap thread poo', 5481: 'Heap thread poo', 5483: 'Signal Catcher', 5484: 'JDWP', 5485: 'ReferenceQueueD', 5486: 'FinalizerDaemon', 5487: 'FinalizerWatchd', 5488: 'HeapTrimmerDaem', 5489: 'GCDaemon', 5490: 'Binder_1', 13683: 'FinalizerDaemon', 5492: 'Binder_2', 13685: 'HeapTrimmerDaem', 13686: 'GCDaemon', 13687: 'Binder_1', 13688: 'Binder_2', 5498: 'Thread #3', 13691: 'pool-1-thread-2', 13692: 'pool-1-thread-3', 13694: 'Timer-0', 5503: 'geHandlerThread', 5504: 'GAThread', 5507: 'Crashlytics Exc', 13701: 'Heap thread poo', 5510: 'AsyncTask #1', 13703: 'Heap thread poo', 13704: 'Signal Catcher', 13705: 'JDWP', 13706: 'ReferenceQueueD', 5515: 'Crashlytics Tra', 13708: 'FinalizerWatchd', 13709: 'HeapTrimmerDaem', 5518: 'AsyncTask #2', 5519: 'com.dropbox.android', 13712: 'Binder_2', 13713: 'Binder_3', 13715: 'com.rolocule.motiontennis', 5525: 'Heap thread poo', 5526: 'Heap thread poo', 5527: 'Heap thread poo', 5528: 'Signal Catcher', 5529: 'JDWP', 5530: 'ReferenceQueueD', 5531: 'FinalizerDaemon', 5532: 'FinalizerWatchd', 5533: 'HeapTrimmerDaem', 5534: 'GCDaemon', 5535: 'Binder_1', 5536: 'Binder_2', 13731: 'ReferenceQueueD', 13732: 'FinalizerDaemon', 13733: 'FinalizerWatchd', 13734: 'HeapTrimmerDaem', 13735: 'GCDaemon', 13736: 'Binder_1', 13737: 'Binder_2', 13747: 'com.google.android.apps.chrome', 13751: 'Heap thread poo', 13752: 'Heap thread poo', 5562: 'Dropbox log upl', 5563: 'gandalf updater', 13756: 'Signal Catcher', 13757: 'JDWP', 13758: 'ReferenceQueueD', 13759: 'FinalizerDaemon', 5568: 'pool-10-thread-', 5569: 'DbxFileObserver', 5570: 'LocalThumbManag', 13763: 'Binder_1', 13764: 'Binder_2', 5574: 'local AsyncTask', 5575: 'remote AsyncTas', 5576: 'local AsyncTask', 5577: 'remote AsyncTas', 5578: 'Dropbox notif o', 5579: 'Dropbox notif s', 5580: 'Picasso-Stats', 5581: 'Picasso-Dispatc', 5582: 'Picasso-refQueu', 5583: 'gandalf updater', 5587: 'AcceptThreadSec', 13780: 'Heap thread poo', 13781: 'Heap thread poo', 5590: 'Binder_3', 13783: 'pool-1-thread-1', 5592: 'DbxFileObserver', 5593: 'dbxpool-34:r-th', 5594: 'dbxpool-32:au-t', 5595: 'dbxpool-38:a-th', 5596: 'Timer-0', 5597: 'dbxpool-6:a-thr', 13790: 'GCDaemon', 5599: 'Timer-1', 13792: 'Binder_2', 13796: 'rotating_file-t', 13801: 'com.android.vending', 5610: 'AsyncTask #4', 13807: 'Heap thread poo', 13808: 'Heap thread poo', 13809: 'Heap thread poo', 13811: 'Signal Catcher', 13812: 'JDWP', 13813: 'ReferenceQueueD', 13814: 'FinalizerDaemon', 13815: 'FinalizerWatchd', 13816: 'HeapTrimmerDaem', 13817: 'GCDaemon', 13818: 'Binder_1', 5627: 'Binder_3', 5633: 'Binder_5', 13828: 'Gservices', 5638: 'Timer-0', 13833: 'pool-1-thread-1', 13834: 'RefQueueWorker@', 13837: 'RefQueueWorker@', 13838: 'Thread-1482', 13839: 'Thread-1483', 13840: 'Thread-1484', 13843: 'download-manage', 13844: 'NetworkQualityQ', 13845: 'RefQueueWorker@', 13846: 'Thread-1489', 13847: 'Thread-1490', 13848: 'Thread-1491', 13849: 'Thread-1492', 13850: 'Thread-1493', 13851: 'PlayEventLogger', 13852: 'tentative-gc-ru', 13853: 'com.google.android.gms:car', 13856: 'Heap thread poo', 13857: 'Heap thread poo', 13858: 'Heap thread poo', 13862: 'libraries-threa', 13863: 'Signal Catcher', 13864: 'JDWP', 13865: 'ReferenceQueueD', 13866: 'FinalizerDaemon', 13867: 'FinalizerWatchd', 13868: 'HeapTrimmerDaem', 13869: 'GCDaemon', 13870: 'Binder_1', 13871: 'Binder_2', 13872: 'AsyncTask #1', 13873: 'Gservices', 13876: 'AsyncTask #2', 13877: 'AsyncTask #3', 13878: 'PlayEventLogger', 5688: 'com.devuni.flashlight:remote', 13881: 'Gservices', 5693: 'Heap thread poo', 5694: 'Heap thread poo', 5695: 'Heap thread poo', 5697: 'Signal Catcher', 5698: 'JDWP', 5699: 'ReferenceQueueD', 5700: 'FinalizerDaemon', 5701: 'FinalizerWatchd', 5702: 'HeapTrimmerDaem', 5703: 'GCDaemon', 5704: 'Binder_1', 5705: 'Binder_2', 13898: 'FinalizerWatchd', 13899: 'HeapTrimmerDaem', 13900: 'GCDaemon', 13901: 'Binder_1', 13902: 'Binder_2', 13903: 'Gservices', 13904: 'Binder_3', 13905: 'Binder_3', 5717: 'GL updater', 5718: 'RefQueueWorker@', 5719: 'AsyncTask #5', 13913: 'Binder_3', 13677: 'Heap thread poo', 5750: 'Thread-625', 5783: 'WifiManager', 5793: 'Binder_4', 5816: 'Binder_4', 5818: 'Binder_3', 14061: 'kworker/u:3', 14136: 'kworker/0:0H', 14356: 'com.google.android.apps.gcs', 14357: 'ReferenceQueueD', 14358: 'FinalizerDaemon', 14359: 'FinalizerWatchd', 14360: 'HeapTrimmerDaem', 14361: 'GCDaemon', 14362: 'Heap thread poo', 14363: 'Heap thread poo', 14364: 'Heap thread poo', 14365: 'Signal Catcher', 14366: 'JDWP', 14367: 'ReferenceQueueD', 14368: 'FinalizerDaemon', 14369: 'FinalizerWatchd', 14370: 'HeapTrimmerDaem', 14371: 'GCDaemon', 14372: 'Binder_1', 14373: 'Binder_2', 14375: 'Gservices', 14376: 'RefQueueWorker@', 14377: 'Thread-1495', 14378: 'Thread-1496', 14379: 'Thread-1497', 14380: 'Thread-1498', 14381: 'Thread-1499', 6201: 'pool-1-thread-1', 6202: 'com.tencent.mm', 6206: 'Heap thread poo', 6207: 'Heap thread poo', 6208: 'Heap thread poo', 14401: 'Thread-233', 6211: 'Signal Catcher', 6212: 'JDWP', 6213: 'ReferenceQueueD', 6214: 'FinalizerDaemon', 6215: 'FinalizerWatchd', 14409: 'OkHttp Connecti', 6218: 'GCDaemon', 6220: 'Binder_1', 6221: 'Binder_2', 6236: 'THREAD_POOL_HAN', 6237: 'com.tencent.mm', 6239: 'com.tencent.mm', 6240: 'MonitorHandlerT', 6241: '.ProcessManager', 6243: 'Binder_3', 6245: 'default', 6246: 'com.tencent.mm', 6247: 'MMHandlerThread', 14444: '/system/bin/sh', 14445: 'adbd', 14448: 'ps', 6257: 'Icing-Pool-1', 6258: 'Icing-Pool-2', 6259: 'Icing-Pool-3', 6269: 'MM_Thread_Pool_', 6270: 'MM_Thread_Pool_', 6271: 'MM_Thread_Pool_', 6272: 'MM_Thread_Pool_', 6273: 'MM_Thread_Pool_', 6274: 'MM_Thread_Pool_', 6276: 'ExdeviceHandler', 6277: 'MM_Thread_Pool_', 6279: 'RWCache_timeout', 6280: 'RWCache_timeout', 6282: 'MM_Thread_Pool_', 6284: 'downloadStateCh', 6288: 'WifiManager', 6289: 'refresh Notific', 6292: 'MM_Thread_Pool_', 6293: 'MM_Thread_Pool_', 6294: 'MM_Thread_Pool_', 6295: 'SearchDaemon', 6303: 'Binder_4', 6313: 'pool-2-thread-1', 6326: 'AsyncTask #5', 6373: 'RWCache_timeout', 6408: 'h', 6459: 'BluetoothPbapAc', 6473: 'pool-1-thread-1', 6477: 'BtOppRfcommList', 13682: 'ReferenceQueueD', 6481: 'AsyncTask #5', 6672: 'AsyncTask #2', 6673: 'pool-22-thread-', 6709: 'Binder_B', 6740: 'Binder_4', 6752: 'AsyncTask #3', 6917: 'Binder_6', 7091: 'Binder_5', 7150: 'default', 7173: 'Binder_3', 7196: 'UlrDispatchingS', 7230: 'default', 7231: 'MMHandlerThread', 7260: 'Thread-174', 7261: 'Thread-175', 7262: 'Thread-176', 7263: 'Thread-177', 7264: 'Thread-178', 13885: 'com.google.android.gms.wearable', 5328: 'Heap thread poo', 13521: 'Heap thread poo', 13525: 'Signal Catcher', 13526: 'JDWP', 5335: 'FinalizerDaemon', 13528: 'iu-sync-manager', 5337: 'HeapTrimmerDaem', 5338: 'GCDaemon', 5339: 'Binder_1', 5340: 'Binder_2', 5345: 'Queue', 5346: 'Queue', 7557: 'Binder_6', 13891: 'Heap thread poo', 7586: 'pool-4-thread-1', 13895: 'JDWP', 13896: 'ReferenceQueueD', 13897: 'FinalizerDaemon', 13629: 'Binder_1', 13635: 'Thread-1443', 5444: 'BluetoothServer', 13637: 'Thread-1445', 5446: 'AsyncTask #4'}
\ No newline at end of file
diff --git a/update.py b/update.py
index abcad9e..8a66066 100755
--- a/update.py
+++ b/update.py
@@ -28,17 +28,21 @@
if p.wait() != 0:
print 'Failed to checkout source from upstream git.'
sys.exit(1)
-
- shutil.rmtree(os.path.join(trace_viewer_dir, '.git'), True)
+ trace_viewer_git_dir = os.path.join(trace_viewer_dir, '.git')
# Update the UPSTREAM_REVISION file
git_args = ['git', 'rev-parse', 'HEAD']
- p = subprocess.Popen(git_args, stdout=subprocess.PIPE, cwd=trace_viewer_dir)
+ p = subprocess.Popen(git_args,
+ stdout=subprocess.PIPE,
+ cwd=trace_viewer_dir,
+ env={"GIT_DIR":trace_viewer_git_dir})
out, err = p.communicate()
if p.wait() != 0:
print 'Failed to get revision.'
sys.exit(1)
+ shutil.rmtree(trace_viewer_git_dir, True)
+
rev = out.strip()
with open('UPSTREAM_REVISION', 'wt') as f:
f.write(rev + '\n')
diff --git a/util.py b/util.py
new file mode 100644
index 0000000..5fb61a8
--- /dev/null
+++ b/util.py
@@ -0,0 +1,115 @@
+# Copyright (c) 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import optparse
+import subprocess
+import sys
+
+
+class OptionParserIgnoreErrors(optparse.OptionParser):
+ """Wrapper for OptionParser that ignores errors and produces no output."""
+
+ def error(self, msg):
+ pass
+
+ def exit(self):
+ pass
+
+ def print_usage(self):
+ pass
+
+ def print_help(self):
+ pass
+
+ def print_version(self):
+ pass
+
+
+def add_adb_serial(adb_command, device_serial):
+ if device_serial is not None:
+ adb_command.insert(1, device_serial)
+ adb_command.insert(1, '-s')
+
+
+def construct_adb_shell_command(shell_args, device_serial):
+ adb_command = ['adb', 'shell', ' '.join(shell_args)]
+ add_adb_serial(adb_command, device_serial)
+ return adb_command
+
+
+def run_adb_shell(shell_args, device_serial):
+ """Runs "adb shell" with the given arguments.
+
+ Args:
+ shell_args: array of arguments to pass to adb shell.
+ device_serial: if not empty, will add the appropriate command-line
+ parameters so that adb targets the given device.
+ Returns:
+ A tuple containing the adb output (stdout & stderr) and the return code
+ from adb. Will exit if adb fails to start.
+ """
+ adb_command = construct_adb_shell_command(shell_args, device_serial)
+
+ adb_output = []
+ adb_return_code = 0
+ try:
+ adb_output = subprocess.check_output(adb_command, stderr=subprocess.STDOUT,
+ shell=False, universal_newlines=True)
+ except OSError as error:
+ # This usually means that the adb executable was not found in the path.
+ print >> sys.stderr, ('\nThe command "%s" failed with the following error:'
+ % ' '.join(adb_command))
+ print >> sys.stderr, ' %s\n' % str(error)
+ print >> sys.stderr, 'Is adb in your path?'
+ sys.exit(1)
+ except subprocess.CalledProcessError as error:
+ # The process exited with an error.
+ adb_return_code = error.returncode
+ adb_output = error.output
+
+ return (adb_output, adb_return_code)
+
+
+def get_device_sdk_version():
+ """Uses adb to attempt to determine the SDK version of a running device."""
+
+ getprop_args = ['getprop', 'ro.build.version.sdk']
+
+ # get_device_sdk_version() is called before we even parse our command-line
+ # args. Therefore, parse just the device serial number part of the
+ # command-line so we can send the adb command to the correct device.
+ parser = OptionParserIgnoreErrors()
+ parser.add_option('-e', '--serial', dest='device_serial', type='string')
+ options, unused_args = parser.parse_args()
+
+ success = False
+
+ adb_output, adb_return_code = run_adb_shell(getprop_args,
+ options.device_serial)
+
+ if adb_return_code == 0:
+ # ADB may print output other than the version number (e.g. it chould
+ # print a message about starting the ADB server).
+ # Break the ADB output into white-space delimited segments.
+ parsed_output = str.split(adb_output)
+ if parsed_output:
+ # Assume that the version number is the last thing printed by ADB.
+ version_string = parsed_output[-1]
+ if version_string:
+ try:
+ # Try to convert the text into an integer.
+ version = int(version_string)
+ except ValueError:
+ version = -1
+ else:
+ success = True
+
+ if not success:
+ print >> sys.stderr, (
+ '\nThe command "%s" failed with the following message:'
+ % ' '.join(getprop_args))
+ print >> sys.stderr, adb_output
+ sys.exit(1)
+
+ return version
