#!/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. # !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! # DO NOT EDIT. Auto-generated by tools/gen_amalgamated_python_tools # !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! # This file should do the same thing when being invoked in any of these ways: # ./trace_processor # python trace_processor # bash trace_processor # cat ./trace_processor | bash # cat ./trace_processor | python - BASH_FALLBACK=""" " exec python3 - "$@" <<'#'EOF #""" # yapf: disable # ----- Amalgamator: begin of python/perfetto/prebuilts/manifests/trace_processor_shell.py # This file has been generated by: tools/roll-prebuilts v45.0 TRACE_PROCESSOR_SHELL_MANIFEST = [{ 'arch': 'mac-amd64', 'file_name': 'trace_processor_shell', 'file_size': 9092856, 'url': 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v45.0/mac-amd64/trace_processor_shell', 'sha256': '13b45c29743b296221ebdda630913a8630f66c1848b6d894ba489545c8098575', 'platform': 'darwin', 'machine': ['x86_64'] }, { 'arch': 'mac-arm64', 'file_name': 'trace_processor_shell', 'file_size': 8476632, 'url': 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v45.0/mac-arm64/trace_processor_shell', 'sha256': 'aefb6a85618716b172c6d81cf7d35b0f71e6e67f6a3601685548a378bb9278f0', 'platform': 'darwin', 'machine': ['arm64'] }, { 'arch': 'linux-amd64', 'file_name': 'trace_processor_shell', 'file_size': 9253528, 'url': 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v45.0/linux-amd64/trace_processor_shell', 'sha256': 'e8b2e9507ec80145121014c9f3e50c1e0e5a896e8d925dbe7b95f69b1d1e9214', 'platform': 'linux', 'machine': ['x86_64'] }, { 'arch': 'linux-arm', 'file_name': 'trace_processor_shell', 'file_size': 6781500, 'url': 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v45.0/linux-arm/trace_processor_shell', 'sha256': '9ecd4f09f22270aff1926c80518b62425466c57c95ce94f912cfe3b325d1d0a9', 'platform': 'linux', 'machine': ['armv6l', 'armv7l', 'armv8l'] }, { 'arch': 'linux-arm64', 'file_name': 'trace_processor_shell', 'file_size': 8912968, 'url': 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v45.0/linux-arm64/trace_processor_shell', 'sha256': 'd3165c02bf665fe7513acb7de3b0186a91610328cf01afa5cfce437fdf589e36', 'platform': 'linux', 'machine': ['aarch64'] }, { 'arch': 'android-arm', 'file_name': 'trace_processor_shell', 'file_size': 6786364, 'url': 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v45.0/android-arm/trace_processor_shell', 'sha256': 'f25fdc4021c34bd20248359cdfe974c84413b877d7c55886eb37310028b950d3' }, { 'arch': 'android-arm64', 'file_name': 'trace_processor_shell', 'file_size': 8809584, 'url': 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v45.0/android-arm64/trace_processor_shell', 'sha256': '458501bf14813679333bc40e1bf6275d54bbba20b4ae18dbc7aa212d7d3ef3ec' }, { 'arch': 'android-x86', 'file_name': 'trace_processor_shell', 'file_size': 9682456, 'url': 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v45.0/android-x86/trace_processor_shell', 'sha256': '3ff5752895dc89bf245e8541dda809b7de27cebb8854835041f00fc549e685c1' }, { 'arch': 'android-x64', 'file_name': 'trace_processor_shell', 'file_size': 9070288, 'url': 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v45.0/android-x64/trace_processor_shell', 'sha256': '2f431c7bc515d7d0d5fb49fdead6628c7133e0b03b2b2397a874009a80739ba0' }, { 'arch': 'windows-amd64', 'file_name': 'trace_processor_shell.exe', 'file_size': 9165312, 'url': 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v45.0/windows-amd64/trace_processor_shell.exe', 'sha256': '3a5432bebe30520ddceeafd2f77b2d44608e5942c06d1d50f908c5921375944a', 'platform': 'win32', 'machine': ['amd64'] }] # ----- Amalgamator: end of python/perfetto/prebuilts/manifests/trace_processor_shell.py # ----- Amalgamator: begin of python/perfetto/prebuilts/perfetto_prebuilts.py # 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. """ Functions to fetch pre-pinned Perfetto prebuilts. This function is used in different places: - Into the //tools/{trace_processor, traceconv} scripts, which are just plain wrappers around executables. - Into the //tools/{heap_profiler, record_android_trace} scripts, which contain some other hand-written python code. The manifest argument looks as follows: TRACECONV_MANIFEST = [ { 'arch': 'mac-amd64', 'file_name': 'traceconv', 'file_size': 7087080, 'url': https://commondatastorage.googleapis.com/.../trace_to_text', 'sha256': 7d957c005b0dc130f5bd855d6cec27e060d38841b320d04840afc569f9087490', 'platform': 'darwin', 'machine': 'x86_64' }, ... ] The intended usage is: from perfetto.prebuilts.manifests.traceconv import TRACECONV_MANIFEST bin_path = get_perfetto_prebuilt(TRACECONV_MANIFEST) subprocess.call(bin_path, ...) """ import hashlib import os import platform import random import subprocess import sys def download_or_get_cached(file_name, url, sha256): """ Downloads a prebuilt or returns a cached version The first time this is invoked, it downloads the |url| and caches it into ~/.local/share/perfetto/prebuilts/$tool_name. On subsequent invocations it just runs the cached version. """ dir = os.path.join( os.path.expanduser('~'), '.local', 'share', 'perfetto', 'prebuilts') os.makedirs(dir, exist_ok=True) bin_path = os.path.join(dir, file_name) sha256_path = os.path.join(dir, file_name + '.sha256') needs_download = True # Avoid recomputing the SHA-256 on each invocation. The SHA-256 of the last # download is cached into file_name.sha256, just check if that matches. if os.path.exists(bin_path) and os.path.exists(sha256_path): with open(sha256_path, 'rb') as f: digest = f.read().decode() if digest == sha256: needs_download = False if needs_download: # The file doesn't exist or the SHA256 doesn't match. # Use a unique random file to guard against concurrent executions. # See https://github.com/google/perfetto/issues/786 . tmp_path = '%s.%d.tmp' % (bin_path, random.randint(0, 100000)) print('Downloading ' + url) subprocess.check_call(['curl', '-f', '-L', '-#', '-o', tmp_path, url]) with open(tmp_path, 'rb') as fd: actual_sha256 = hashlib.sha256(fd.read()).hexdigest() if actual_sha256 != sha256: raise Exception('Checksum mismatch for %s (actual: %s, expected: %s)' % (url, actual_sha256, sha256)) os.chmod(tmp_path, 0o755) os.replace(tmp_path, bin_path) with open(tmp_path, 'w') as f: f.write(sha256) os.replace(tmp_path, sha256_path) return bin_path def get_perfetto_prebuilt(manifest, soft_fail=False, arch=None): """ Downloads the prebuilt, if necessary, and returns its path on disk. """ plat = sys.platform.lower() machine = platform.machine().lower() manifest_entry = None for entry in manifest: # If the caller overrides the arch, just match that (for Android prebuilts). if arch: if entry.get('arch') == arch: manifest_entry = entry break continue # Otherwise guess the local machine arch. if entry.get('platform') == plat and machine in entry.get('machine', []): manifest_entry = entry break if manifest_entry is None: if soft_fail: return None raise Exception( ('No prebuilts available for %s-%s\n' % (plat, machine)) + 'See https://perfetto.dev/docs/contributing/build-instructions') return download_or_get_cached( file_name=manifest_entry['file_name'], url=manifest_entry['url'], sha256=manifest_entry['sha256']) def run_perfetto_prebuilt(manifest): bin_path = get_perfetto_prebuilt(manifest) if sys.platform.lower() == 'win32': sys.exit(subprocess.check_call([bin_path, *sys.argv[1:]])) os.execv(bin_path, [bin_path] + sys.argv[1:]) # ----- Amalgamator: end of python/perfetto/prebuilts/perfetto_prebuilts.py if __name__ == '__main__': run_perfetto_prebuilt(TRACE_PROCESSOR_SHELL_MANIFEST) #EOF