Files
mongo/buildscripts/mobile/adb_monitor.py

480 lines
19 KiB
Python

#!/usr/bin/env python3
"""ADB utilities to collect adb samples from a locally connected Android device."""
import argparse
import distutils.spawn # pylint: disable=no-name-in-module
import logging
import os
import pipes
import re
import shlex
import sys
import tempfile
import threading
import time
import warnings
# pylint: disable=wrong-import-position
# Get relative imports to work when the package is not installed on the PYTHONPATH.
if __name__ == "__main__" and __package__ is None:
sys.path.append(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
from buildscripts.util import fileops
from buildscripts.util import runcommand
# Default program options.
DEFAULT_ADB_BINARY = "adb"
DEFAULT_BATTERY_FILE = "battery.csv"
DEFAULT_CPU_FILE = "cpu.json"
DEFAULT_NUM_SAMPLES = 0
DEFAULT_LOG_LEVEL = "info"
DEFAULT_MEMORY_FILE = "memory.csv"
DEFAULT_PYTHON27 = "python2"
DEFAULT_SAMPLE_INTERVAL_MS = 500
LOG_LEVELS = ["debug", "error", "info", "warning"]
# Initialize the global logger.
LOGGER = logging.getLogger(__name__)
def parse_command_line():
"""Parse command line options.
:return: Argparser object.
"""
parser = argparse.ArgumentParser()
program_options = parser.add_argument_group("Program Options")
battery_options = parser.add_argument_group("Battery Options")
memory_options = parser.add_argument_group("Memory Options")
systrace_options = parser.add_argument_group("Systrace Options")
program_options.add_argument(
"--adbBinary", dest="adb_binary",
help="The path for adb. Defaults to '%(default)s', which is in $PATH.",
default=DEFAULT_ADB_BINARY)
program_options.add_argument(
"--python27", dest="python27",
help="The path for python2.7, required by systrace. Defaults to '%(default)s', which is in"
" $PATH.", default=DEFAULT_PYTHON27)
program_options.add_argument(
"--samples", dest="num_samples",
help="Number of samples to collect, 0 indicates infinite. [Default: %(default)d]", type=int,
default=DEFAULT_NUM_SAMPLES)
program_options.add_argument(
"--collectionTime", dest="collection_time_secs",
help="Time in seconds to collect samples, if specifed overrides '--samples'.", type=int,
default=None)
program_options.add_argument(
"--sampleIntervalMs", dest="sample_interval_ms",
help="Time in milliseconds between collecting a sample. [Default: %(default)d]", type=int,
default=DEFAULT_SAMPLE_INTERVAL_MS)
program_options.add_argument(
"--logLevel", dest="log_level", choices=LOG_LEVELS,
help=f"The log level. Accepted values are: {LOG_LEVELS}. [default: '%(default)s'].",
default=DEFAULT_LOG_LEVEL)
battery_options.add_argument(
"--batteryFile", dest="battery_file",
help="The destination file for battery stats (CSV format). [Default: %(default)s].",
default=DEFAULT_BATTERY_FILE)
battery_options.add_argument("--noBattery", dest="battery_file",
help="Disable collection of battery samples.",
action="store_const", const=None)
memory_options.add_argument(
"--memoryFile", dest="memory_file",
help="The destination file for memory stats (CSV format). [Default: %(default)s].",
default=DEFAULT_MEMORY_FILE)
memory_options.add_argument("--noMemory", dest="memory_file",
help="Disable collection of memory samples.", action="store_const",
const=None)
systrace_options.add_argument(
"--cpuFile", dest="cpu_file",
help="The destination file for CPU stats (JSON format). [Default: %(default)s].",
default=DEFAULT_CPU_FILE)
systrace_options.add_argument("--noCpu", dest="cpu_file",
help="Disable collection of CPU samples.", action="store_const",
const=None)
return parser
def create_files_mtime(files):
"""Create dict of file names and it's modified time.
param files: List file names.
return: Dict of file names with value of the file's modified time.
"""
return {file_name: fileops.getmtime(file_name) for file_name in files if file_name}
def find_executable(binary_file):
"""Find if binary_file exists in $PATH. Raise exception if it cannot be found.
param binary_file: Name of binary to find.
return: Full path of binary_file.
"""
binary_path = distutils.spawn.find_executable(binary_file)
if not binary_path:
raise EnvironmentError(f"Executable '{binary_file}' does not exist or is not in the PATH.")
return binary_path
class Adb(object):
"""Class to abstract calls to adb."""
def __init__(self, adb_binary=DEFAULT_ADB_BINARY, logger=LOGGER, python27=DEFAULT_PYTHON27):
"""Initialize the Adb object."""
self._cmd = None
self._tempfile = None
self.logger = logger
self.python27 = find_executable(python27)
adb_path = find_executable(adb_binary)
# We support specifying a path the adb binary to use; however, systrace.py only
# knows how to find it using the PATH environment variable. It is possible that
# 'adb_binary' is an absolute path specified by the user, so we add its parent
# directory to the PATH manually.
adb_dir = os.path.dirname(adb_path)
if adb_dir:
os.environ["PATH"] = "{}{}{}".format(os.environ["PATH"], os.path.pathsep, adb_dir)
# systrace.py should be in <adb_dir>/systrace/systrace.py
self.systrace_script = os.path.join(adb_dir, "systrace", "systrace.py")
if not os.path.isfile(self.systrace_script):
raise EnvironmentError("Script '{}' cannot be found.".format(self.systrace_script))
@staticmethod
def adb_cmd(adb_command, output_file=None, append_file=False, output_string=False):
"""Run an adb command and return result."""
cmd = runcommand.RunCommand("adb {}".format(adb_command), output_file, append_file)
if output_string or not output_file:
return cmd.execute_with_output()
return cmd.execute_save_output()
@staticmethod
def shell(adb_shell_command):
"""Run an adb shell command and return output_string.
Raise an exception if the exit status is non-zero.
Since the adb shell command does not return an exit status. We simulate it by
saving the exit code in the output and then stripping if off.
See https://stackoverflow.com/questions/9379400/adb-error-codes
"""
cmd_prefix = "set -o errexit; function _exit_ { echo __EXIT__:$?; } ; trap _exit_ EXIT ;"
cmd = runcommand.RunCommand("adb shell {} {}".format(cmd_prefix, adb_shell_command))
cmd_output = cmd.execute_with_output()
if "__EXIT__" in cmd_output:
exit_code = int(cmd_output.split()[-1].split(":")[1])
cmd_output_stripped = re.split("__EXIT__.*\n", cmd_output)[0]
if exit_code:
raise RuntimeError("{}: {}".format(exit_code, cmd_output_stripped))
return cmd_output_stripped
return cmd_output
def devices(self):
"""Return the available ADB devices and the uptime."""
return self.adb_cmd("devices -l", output_string=True)
def device_available(self):
"""Return the the uptime of the connected device."""
# If the device is not available this will throw an exception.
return self.adb_cmd("shell uptime", output_string=True)
def push(self, files, remote_dir, sync=False):
"""Push a list of files over adb to remote_dir."""
# We can specify files as a single file name or a list of files.
if isinstance(files, list):
files = " ".join(files)
sync_opt = "--sync " if sync else ""
return self.adb_cmd("push {}{} {}".format(sync_opt, files, remote_dir), output_string=True)
def pull(self, files, local_dir):
"""Pull a list of remote files over adb to local_dir."""
# We can specify files as a single file name or a list of files.
if isinstance(files, list):
files = " ".join(files)
return self.adb_cmd("pull {} {}".format(files, local_dir), output_string=True)
def _battery_cmd(self, option, output_file=None, append_file=False):
self.adb_cmd("shell dumpsys batterystats {}".format(option), output_file, append_file)
def battery(self, output_file, append_file=False, reset=False):
"""Collect the battery stats and save to the output_file."""
if reset:
self._battery_cmd("--reset")
self._battery_cmd("--checkin", output_file, append_file)
def memory(self, output_file, append_file=False):
"""Collect the memory stats and save to the output_file."""
self.adb_cmd("shell dumpsys meminfo -c -d", output_file, append_file)
def systrace_start(self, output_file=None):
"""Start the systrace.py script to collect CPU usage."""
self._tempfile = tempfile.NamedTemporaryFile(delete=False).name
self._cmd = runcommand.RunCommand(output_file=self._tempfile, propagate_signals=False)
# systrace.py currently only supports python 2.7.
self._cmd.add_file(self.python27)
self._cmd.add_file(self.systrace_script)
self._cmd.add("--json")
self._cmd.add("-o")
self._cmd.add_file(output_file)
self._cmd.add("dalvik sched freq idle load")
self._cmd.start_process()
def systrace_stop(self, output_file=None):
"""Stop the systrace.py script."""
self._cmd.send_to_process(b"bye")
with open(self._tempfile) as fh:
buff = fh.read()
os.remove(self._tempfile)
self.logger.debug("systrace_stop: %s", buff)
if "Wrote trace" not in buff:
self.logger.error("CPU file not saved: %s", buff)
if output_file and os.path.isfile(output_file):
os.remove(output_file)
class AdbControl(object): # pylint: disable=too-many-instance-attributes
"""Class to controls calls to adb."""
_JOIN_TIMEOUT = 24 * 60 * 60 # 24 hours (a long time to have the monitor run for)
def __init__( # pylint: disable=too-many-arguments
self, adb, logger=LOGGER, battery_file=None, memory_file=None, cpu_file=None,
append_file=False, num_samples=DEFAULT_NUM_SAMPLES, collection_time_secs=None,
sample_interval_ms=DEFAULT_SAMPLE_INTERVAL_MS):
"""Initialize AdbControl object."""
self.adb = adb
self.logger = logger
output_files = [fn for fn in [battery_file, memory_file, cpu_file] if fn]
if not output_files:
raise ValueError("There are no collection sample files selected.")
self.battery_file = battery_file
self.memory_file = memory_file
self.cpu_file = cpu_file
# The AdbResourceMonitor will always append results to the specified file.
# If append_file is specified in this init, then if there's an existing file
# we do not overwrite it.
for output_file in output_files:
if not append_file:
fileops.create_empty(output_file)
# collection_time_secs overrides num_samples
self.num_samples = num_samples if not collection_time_secs else 0
self.collection_time_secs = collection_time_secs
self.sample_interval_ms = sample_interval_ms
self._should_stop = threading.Event()
self._should_stop.clear()
self._sample_based_threads = []
self._all_threads = []
def start(self):
"""Start adb sample collection."""
if self.cpu_file:
monitor = AdbContinuousResourceMonitor(self.cpu_file, self._should_stop,
self.adb.systrace_start, self.adb.systrace_stop)
self._all_threads.append(monitor)
monitor.start()
if self.battery_file:
monitor = AdbSampleBasedResourceMonitor(self.battery_file, self._should_stop,
self.adb.battery, self.num_samples,
self.sample_interval_ms)
self._sample_based_threads.append(monitor)
self._all_threads.append(monitor)
monitor.start()
if self.memory_file:
monitor = AdbSampleBasedResourceMonitor(self.memory_file, self._should_stop,
self.adb.memory, self.num_samples,
self.sample_interval_ms)
self._sample_based_threads.append(monitor)
self._all_threads.append(monitor)
monitor.start()
def stop(self):
"""Stop adb sample collection."""
self._should_stop.set()
self.wait()
def wait(self):
"""Wait for all sample collections to complete."""
try:
# We either wait for the specified amount of time or for the sample-based monitors
# to have collected the specified number of samples.
if self.collection_time_secs:
self._should_stop.wait(self.collection_time_secs)
else:
for thread in self._sample_based_threads:
# We must specify a timeout to threading.Thread.join() to ensure that the
# wait is interruptible. The main thread would otherwise never be able to
# receive a KeyboardInterrupt.
thread.join(self._JOIN_TIMEOUT)
except KeyboardInterrupt:
# The user has interrupted the script, so we signal to all of the monitor threads
# that they should exit as quickly as they can.
pass
finally:
self._should_stop.set()
# Wait for all of the monitor threads to exit, by specifying a timeout to
# threading.Thread.join() in case the user tries to interrupt the script again.
for thread in self._all_threads:
thread.join(self._JOIN_TIMEOUT)
self.logger.info("Collections stopped.")
# If any of the monitor threads encountered an error, then reraise the exception in the
# main thread.
for thread in self._all_threads:
if thread.exception is not None:
raise thread.exception
class AdbResourceMonitor(threading.Thread):
"""Thread to collect information about a specific resource using adb."""
def __init__(self, output_file, should_stop, logger=LOGGER):
"""Initialize the AdbResourceMonitor object."""
threading.Thread.__init__(self, name="AdbResourceMonitor {}".format(output_file))
self._output_file = output_file
self._should_stop = should_stop
self.logger = logger
self.exception = None
def run(self):
"""Collect adb samples."""
try:
self._do_monitoring()
except Exception as err: # pylint: disable=broad-except
self.logger.error("%s: Encountered an error: %s", self._output_file, err)
self.exception = err
self._should_stop.set()
class AdbSampleBasedResourceMonitor(AdbResourceMonitor):
"""Subclass for ADB sample based monitor."""
def __init__( # pylint: disable=too-many-arguments
self, output_file, should_stop, adb_cmd, num_samples, sample_interval_ms):
"""Initialize AdbSampleBasedResourceMonitor."""
AdbResourceMonitor.__init__(self, output_file, should_stop)
self.adb_cmd = adb_cmd
self._num_samples = num_samples
self._sample_interval_ms = sample_interval_ms
def _do_monitoring(self):
"""Monitor function."""
collected_samples = 0
now = time.time()
while not self._should_stop.is_set():
if self._num_samples > 0 and collected_samples >= self._num_samples:
break
if collected_samples > 0:
self.logger.debug("%s: Sleeping %d ms.", self._output_file,
self._sample_interval_ms)
self._should_stop.wait(self._sample_interval_ms / 1000.0)
collected_samples += 1
self._take_sample(collected_samples)
total_time_ms = (time.time() - now) * 1000
self.logger.info("%s: Stopping monitoring, %d samples collected in %d ms.",
self._output_file, collected_samples, total_time_ms)
def _take_sample(self, collected_samples):
"""Collect sample."""
self.logger.debug("%s: Collecting sample %d of %d", self._output_file, collected_samples,
self._num_samples)
self.adb_cmd(output_file=self._output_file, append_file=True)
class AdbContinuousResourceMonitor(AdbResourceMonitor):
"""Subclass for ADB continuous sample based monitoring."""
def __init__(self, output_file, should_stop, adb_start_cmd, adb_stop_cmd):
"""Initialize AdbContinuousResourceMonitor."""
AdbResourceMonitor.__init__(self, output_file, should_stop)
self._adb_start_cmd = adb_start_cmd
self._adb_stop_cmd = adb_stop_cmd
def _do_monitoring(self):
"""Monitor function."""
self.logger.debug("%s: Starting monitoring.", self._output_file)
now = time.time()
self._adb_start_cmd(output_file=self._output_file)
self._should_stop.wait()
total_time_ms = (time.time() - now) * 1000
self.logger.info("%s: Stopping monitoring after %d ms.", self._output_file, total_time_ms)
self._adb_stop_cmd(output_file=self._output_file)
def monitor_device(adb_control, files_mtime):
"""Run monitoring on device and collect results.
param adb_control: AdbControl object.
param files_mtime: Dict of files with their modified time.
"""
adb_control.start()
try:
adb_control.wait()
finally:
files_saved = [
path for path in files_mtime
if fileops.getmtime(path) > files_mtime[path] and not fileops.is_empty(path)
]
LOGGER.info("Files saved: %s", files_saved)
def main():
"""Execute Main program."""
logging.basicConfig(format="%(asctime)s %(levelname)s %(message)s", level=logging.INFO)
logging.Formatter.converter = time.gmtime
parser = parse_command_line()
options = parser.parse_args()
files_mtime = create_files_mtime([options.battery_file, options.memory_file, options.cpu_file])
if not files_mtime:
parser.error("Must specify one ouptut file")
LOGGER.setLevel(options.log_level.upper())
LOGGER.info(
"This program can be cleanly terminated by issuing the following command:"
"\n\t\t'kill -INT %d'", os.getpid())
adb = Adb(adb_binary=options.adb_binary, python27=options.python27)
LOGGER.info("Detected devices by adb:\n%s%s", adb.devices(), adb.device_available())
adb_control = AdbControl(adb=adb, battery_file=options.battery_file,
memory_file=options.memory_file, cpu_file=options.cpu_file,
num_samples=options.num_samples,
collection_time_secs=options.collection_time_secs,
sample_interval_ms=options.sample_interval_ms)
monitor_device(adb_control, files_mtime)
if __name__ == "__main__":
main()