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How to use is_root_device method in avocado

Best Python code snippet using avocado_python

app_profiler.py

Source:app_profiler.py

1#!/usr/bin/env python2#3# Copyright (C) 2016 The Android Open Source Project4#5# Licensed under the Apache License, Version 2.0 (the "License");6# you may not use this file except in compliance with the License.7# You may obtain a copy of the License at8#9#      http://www.apache.org/licenses/LICENSE-2.010#11# Unless required by applicable law or agreed to in writing, software12# distributed under the License is distributed on an "AS IS" BASIS,13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.14# See the License for the specific language governing permissions and15# limitations under the License.16#17"""app_profiler.py: manage the process of profiling an android app.18    It downloads simpleperf on device, uses it to collect samples from19    user's app, and pulls perf.data and needed binaries on host.20"""21from __future__ import print_function22import argparse23import copy24import os25import os.path26import shutil27import subprocess28import sys29import time30from binary_cache_builder import BinaryCacheBuilder31from simpleperf_report_lib import *32from utils import *33class AppProfiler(object):34    """Used to manage the process of profiling an android app.35    There are three steps:36       1. Prepare profiling.37       2. Profile the app.38       3. Collect profiling data.39    """40    def __init__(self, config):41        # check config variables42        config_names = ['app_package_name', 'native_lib_dir', 'apk_file_path',43                        'recompile_app', 'launch_activity', 'launch_inst_test',44                        'record_options', 'perf_data_path', 'adb_path', 'readelf_path',45                        'binary_cache_dir']46        for name in config_names:47            if not config.has_key(name):48                log_fatal('config [%s] is missing' % name)49        native_lib_dir = config.get('native_lib_dir')50        if native_lib_dir and not os.path.isdir(native_lib_dir):51            log_fatal('[native_lib_dir] "%s" is not a dir' % native_lib_dir)52        apk_file_path = config.get('apk_file_path')53        if apk_file_path and not os.path.isfile(apk_file_path):54            log_fatal('[apk_file_path] "%s" is not a file' % apk_file_path)55        self.config = config56        self.adb = AdbHelper(self.config['adb_path'])57        self.is_root_device = False58        self.android_version = 059        self.device_arch = None60        self.app_arch = None61        self.app_pid = None62    def profile(self):63        log_info('prepare profiling')64        self.prepare_profiling()65        log_info('start profiling')66        self.start_and_wait_profiling()67        log_info('collect profiling data')68        self.collect_profiling_data()69        log_info('profiling is finished.')70    def prepare_profiling(self):71        self._get_device_environment()72        self._enable_profiling()73        self._recompile_app()74        self._restart_app()75        self._get_app_environment()76        self._download_simpleperf()77        self._download_native_libs()78    def _get_device_environment(self):79        self.is_root_device = self.adb.switch_to_root()80        # Get android version.81        build_version = self.adb.get_property('ro.build.version.release')82        if build_version:83            if not build_version[0].isdigit():84                c = build_version[0].upper()85                if c < 'L':86                    self.android_version = 087                else:88                    self.android_version = ord(c) - ord('L') + 589            else:90                strs = build_version.split('.')91                if strs:92                    self.android_version = int(strs[0])93        # Get device architecture.94        output = self.adb.check_run_and_return_output(['shell', 'uname', '-m'])95        if output.find('aarch64') != -1:96            self.device_arch = 'aarch64'97        elif output.find('arm') != -1:98            self.device_arch = 'arm'99        elif output.find('x86_64') != -1:100            self.device_arch = 'x86_64'101        elif output.find('86') != -1:102            self.device_arch = 'x86'103        else:104            log_fatal('unsupported architecture: %s' % output.strip())105    def _enable_profiling(self):106        self.adb.set_property('security.perf_harden', '0')107        if self.is_root_device:108            # We can enable kernel symbols109            self.adb.run(['shell', 'echo', '0', '>/proc/sys/kernel/kptr_restrict'])110    def _recompile_app(self):111        if not self.config['recompile_app']:112            return113        if self.android_version == 0:114            log_warning("Can't fully compile an app on android version < L.")115        elif self.android_version == 5 or self.android_version == 6:116            if not self.is_root_device:117                log_warning("Can't fully compile an app on android version < N on non-root devices.")118            elif not self.config['apk_file_path']:119                log_warning("apk file is needed to reinstall the app on android version < N.")120            else:121                flag = '-g' if self.android_version == 6 else '--include-debug-symbols'122                self.adb.set_property('dalvik.vm.dex2oat-flags', flag)123                self.adb.check_run(['install', '-r', self.config['apk_file_path']])124        elif self.android_version >= 7:125            self.adb.set_property('debug.generate-debug-info', 'true')126            self.adb.check_run(['shell', 'cmd', 'package', 'compile', '-f', '-m', 'speed',127                                self.config['app_package_name']])128        else:129            log_fatal('unreachable')130    def _restart_app(self):131        if not self.config['launch_activity'] and not self.config['launch_inst_test']:132            return133        pid = self._find_app_process()134        if pid is not None:135            self.run_in_app_dir(['kill', '-9', str(pid)])136            time.sleep(1)137        if self.config['launch_activity']:138            activity = self.config['app_package_name'] + '/' + self.config['launch_activity']139            result = self.adb.run(['shell', 'am', 'start', '-n', activity])140            if not result:141                log_fatal("Can't start activity %s" % activity)142        else:143            runner = self.config['app_package_name'] + '/android.support.test.runner.AndroidJUnitRunner'144            result = self.adb.run(['shell', 'am', 'instrument', '-e', 'class',145                                   self.config['launch_inst_test'], runner])146            if not result:147                log_fatal("Can't start instrumentation test  %s" % self.config['launch_inst_test'])148        for i in range(10):149            pid = self._find_app_process()150            if pid is not None:151                return152            time.sleep(1)153            log_info('Wait for the app process for %d seconds' % (i + 1))154        log_fatal("Can't find the app process")155    def _find_app_process(self):156        ps_args = ['-e'] if self.android_version >= 8 else []157        result, output = self.adb.run_and_return_output(['shell', 'ps'] + ps_args)158        if not result:159            return None160        output = output.split('\n')161        for line in output:162            strs = line.split()163            if len(strs) > 2 and strs[-1].find(self.config['app_package_name']) != -1:164                return int(strs[1])165        return None166    def _get_app_environment(self):167        self.app_pid = self._find_app_process()168        if self.app_pid is None:169            log_fatal("can't find process for app [%s]" % self.config['app_package_name'])170        if self.device_arch in ['aarch64', 'x86_64']:171            output = self.run_in_app_dir(['cat', '/proc/%d/maps' % self.app_pid])172            if output.find('linker64') != -1:173                self.app_arch = self.device_arch174            else:175                self.app_arch = 'arm' if self.device_arch == 'aarch64' else 'x86'176        else:177            self.app_arch = self.device_arch178        log_info('app_arch: %s' % self.app_arch)179    def _download_simpleperf(self):180        simpleperf_binary = get_target_binary_path(self.app_arch, 'simpleperf')181        self.adb.check_run(['push', simpleperf_binary, '/data/local/tmp'])182        self.run_in_app_dir(['cp', '/data/local/tmp/simpleperf', '.'])183        self.run_in_app_dir(['chmod', 'a+x', 'simpleperf'])184    def _download_native_libs(self):185        if not self.config['native_lib_dir']:186            return187        filename_dict = dict()188        for root, _, files in os.walk(self.config['native_lib_dir']):189            for file in files:190                if not file.endswith('.so'):191                    continue192                path = os.path.join(root, file)193                old_path = filename_dict.get(file)194                log_info('app_arch = %s' % self.app_arch)195                if self._is_lib_better(path, old_path):196                    log_info('%s is better than %s' % (path, old_path))197                    filename_dict[file] = path198                else:199                    log_info('%s is worse than %s' % (path, old_path))200        maps = self.run_in_app_dir(['cat', '/proc/%d/maps' % self.app_pid])201        searched_lib = dict()202        for item in maps.split():203            if item.endswith('.so') and searched_lib.get(item) is None:204                searched_lib[item] = True205                # Use '/' as path separator as item comes from android environment.206                filename = item[item.rfind('/') + 1:]207                dirname = item[1:item.rfind('/')]208                path = filename_dict.get(filename)209                if path is None:210                    continue211                self.adb.check_run(['push', path, '/data/local/tmp'])212                self.run_in_app_dir(['mkdir', '-p', dirname])213                self.run_in_app_dir(['cp', '/data/local/tmp/' + filename, dirname])214    def _is_lib_better(self, new_path, old_path):215        """ Return true if new_path is more likely to be used on device. """216        if old_path is None:217            return True218        if self.app_arch == 'arm':219            result1 = new_path.find('armeabi-v7a/') != -1220            result2 = old_path.find('armeabi-v7a') != -1221            if result1 != result2:222                return result1223        arch_dir = 'arm64' if self.app_arch == 'aarch64' else self.app_arch + '/'224        result1 = new_path.find(arch_dir) != -1225        result2 = old_path.find(arch_dir) != -1226        if result1 != result2:227            return result1228        result1 = new_path.find('obj/') != -1229        result2 = old_path.find('obj/') != -1230        if result1 != result2:231            return result1232        return False233    def start_and_wait_profiling(self):234        self.run_in_app_dir([235            './simpleperf', 'record', self.config['record_options'], '-p',236            str(self.app_pid), '--symfs', '.'])237    def collect_profiling_data(self):238        self.run_in_app_dir(['chmod', 'a+rw', 'perf.data'])239        self.adb.check_run(['shell', 'cp',240            '/data/data/%s/perf.data' % self.config['app_package_name'], '/data/local/tmp'])241        self.adb.check_run(['pull', '/data/local/tmp/perf.data', self.config['perf_data_path']])242        config = copy.copy(self.config)243        config['symfs_dirs'] = []244        if self.config['native_lib_dir']:245            config['symfs_dirs'].append(self.config['native_lib_dir'])246        binary_cache_builder = BinaryCacheBuilder(config)247        binary_cache_builder.build_binary_cache()248    def run_in_app_dir(self, args):249        if self.is_root_device:250            cmd = 'cd /data/data/' + self.config['app_package_name'] + ' && ' + (' '.join(args))251            return self.adb.check_run_and_return_output(['shell', cmd])252        else:253            return self.adb.check_run_and_return_output(254                ['shell', 'run-as', self.config['app_package_name']] + args)255if __name__ == '__main__':256    parser = argparse.ArgumentParser(257        description='Profile an android app. See configurations in app_profiler.config.')258    parser.add_argument('--config', default='app_profiler.config',259                        help='Set configuration file. Default is app_profiler.config.')260    args = parser.parse_args()261    config = load_config(args.config)262    profiler = AppProfiler(config)...

ebs_volume_info.py

Source:ebs_volume_info.py

1# -*- coding: utf-8 -*-2# Copyright 2021 Cohesity Inc.3class EbsVolumeInfo(object):4    """Implementation of the 'EbsVolumeInfo' model.5    Specifies information about an AWS volume attached to an EC2 instance.6    Attributes:7        device_name (string): Specifies the name of the device. Eg - /dev/sdb.8        id (string): Specifies the ID of the volume.9        is_root_device (bool): Specifies if the volume is attached as root device.10        name (string): Specifies the name of the volume.11        size_bytes (long|int): Specifies the size of the volume in bytes.12        mtype (string): Specifies the type of the volume. Eg - gp2, io1.13    """14    # Create a mapping from Model property names to API property names15    _names = {16        "device_name": 'deviceName',17        "id": 'id',18        "is_root_device":'isRootDevice',19        "name":'name',20        "size_bytes":'sizeBytes',21        "mtype":'type'22    }23    def __init__(self,24                 device_name=None,25                 id=None,26                 is_root_device=None,27                 name=None,28                 size_bytes=None,29                 mtype=None30                 ):31        """Constructor for the EbsVolumeInfo class"""32        # Initialize members of the class33        self.device_name = device_name34        self.id = id35        self.is_root_device = is_root_device36        self.name = name37        self.size_bytes = size_bytes38        self.mtype = mtype39    @classmethod40    def from_dictionary(cls,41                        dictionary):42        """Creates an instance of this model from a dictionary43        Args:44            dictionary (dictionary): A dictionary representation of the object as45            obtained from the deserialization of the server's response. The keys46            MUST match property names in the API description.47        Returns:48            object: An instance of this structure class.49        """50        if dictionary is None:51            return None52        # Extract variables from the dictionary53        device_name = dictionary.get('deviceName')54        id = dictionary.get('id')55        is_root_device = dictionary.get('isRootDevice')56        name = dictionary.get('name')57        size_bytes = dictionary.get('sizeBytes')58        mtype = dictionary.get('type')59        # Return an object of this model60        return cls(device_name,61                   id,62                   is_root_device,63                   name,64                   size_bytes,...

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