test/pprof_proto_generator_test.py

#!/usr/bin/env python3
#
# Copyright (C) 2021 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import google.protobuf
from pprof_proto_generator import load_pprof_profile
from . test_utils import TestBase, TEST_HELPER


class TestPprofProtoGenerator(TestBase):
    def run_generator(self, options=None, testdata_file='perf_with_interpreter_frames.data'):
        testdata_path = TEST_HELPER.testdata_path(testdata_file)
        options = options or []
        self.run_cmd(['pprof_proto_generator.py', '-i', testdata_path] + options)
        return self.run_cmd(['pprof_proto_generator.py', '--show'], return_output=True)

    def generate_profile(self, options, testdata_files):
        testdata_paths = [TEST_HELPER.testdata_path(f) for f in testdata_files]
        options = options or []
        self.run_cmd(['pprof_proto_generator.py', '-i'] + testdata_paths + options)
        return load_pprof_profile('pprof.profile')

    def test_show_art_frames(self):
        art_frame_str = 'art::interpreter::DoCall'
        # By default, don't show art frames.
        self.assertNotIn(art_frame_str, self.run_generator())
        # Use --show_art_frames to show art frames.
        self.assertIn(art_frame_str, self.run_generator(['--show_art_frames']))

    def test_pid_filter(self):
        key = 'PlayScene::DoFrame()'  # function in process 10419
        self.assertIn(key, self.run_generator())
        self.assertIn(key, self.run_generator(['--pid', '10419']))
        self.assertIn(key, self.run_generator(['--pid', '10419', '10416']))
        self.assertNotIn(key, self.run_generator(['--pid', '10416']))

    def test_tid_filter(self):
        key1 = 'art::ProfileSaver::Run()'  # function in thread 10459
        key2 = 'PlayScene::DoFrame()'  # function in thread 10463
        for options in ([], ['--tid', '10459', '10463']):
            output = self.run_generator(options)
            self.assertIn(key1, output)
            self.assertIn(key2, output)
        output = self.run_generator(['--tid', '10459'])
        self.assertIn(key1, output)
        self.assertNotIn(key2, output)
        output = self.run_generator(['--tid', '10463'])
        self.assertNotIn(key1, output)
        self.assertIn(key2, output)

    def test_comm_filter(self):
        key1 = 'art::ProfileSaver::Run()'  # function in thread 'Profile Saver'
        key2 = 'PlayScene::DoFrame()'  # function in thread 'e.sample.tunnel'
        for options in ([], ['--comm', 'Profile Saver', 'e.sample.tunnel']):
            output = self.run_generator(options)
            self.assertIn(key1, output)
            self.assertIn(key2, output)
        output = self.run_generator(['--comm', 'Profile Saver'])
        self.assertIn(key1, output)
        self.assertNotIn(key2, output)
        output = self.run_generator(['--comm', 'e.sample.tunnel'])
        self.assertNotIn(key1, output)
        self.assertIn(key2, output)

    def test_build_id(self):
        """ Test the build ids generated are not padded with zeros. """
        self.assertIn('build_id: e3e938cc9e40de2cfe1a5ac7595897de(', self.run_generator())

    def test_location_address(self):
        """ Test if the address of a location is within the memory range of the corresponding
            mapping.
        """
        profile = self.generate_profile(None, ['perf_with_interpreter_frames.data'])
        # pylint: disable=no-member
        for location in profile.location:
            mapping = profile.mapping[location.mapping_id - 1]
            self.assertLessEqual(mapping.memory_start, location.address)
            self.assertGreaterEqual(mapping.memory_limit, location.address)

    def test_multiple_perf_data(self):
        """ Test reporting multiple recording file. """
        profile1 = self.generate_profile(None, ['aggregatable_perf1.data'])
        profile2 = self.generate_profile(None, ['aggregatable_perf2.data'])
        profile_both = self.generate_profile(
            None, ['aggregatable_perf1.data', 'aggregatable_perf2.data'])
        # pylint: disable=no-member
        self.assertGreater(len(profile_both.sample), len(profile1.sample))
        self.assertGreater(len(profile_both.sample), len(profile2.sample))