#!/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: # ./traceconv # python traceconv # bash traceconv # cat ./traceconv | bash # cat ./traceconv | python - BASH_FALLBACK=""" " exec python3 - "$@" <<'#'EOF #""" # yapf: disable # ----- Amalgamator: begin of python/perfetto/prebuilts/manifests/traceconv.py # This file has been generated by: tools/roll-prebuilts v51.2 TRACECONV_MANIFEST = [{ 'arch': 'mac-amd64', 'file_name': 'traceconv', 'file_size': 10075720, 'url': 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v51.2/mac-amd64/traceconv', 'sha256': 'd4dba1e599af8cd650ef8ecf499c3351919b0a6782ea569e809e42e8b25a9870', 'platform': 'darwin', 'machine': ['x86_64'] }, { 'arch': 'mac-arm64', 'file_name': 'traceconv', 'file_size': 9300312, 'url': 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v51.2/mac-arm64/traceconv', 'sha256': '8cc5ae05aab058af83e780e4798a737b18db9f1a3b95744739c6389106e9212e', 'platform': 'darwin', 'machine': ['arm64'] }, { 'arch': 'linux-amd64', 'file_name': 'traceconv', 'file_size': 10217672, 'url': 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v51.2/linux-amd64/traceconv', 'sha256': 'b7b11060b8eddc9cd61f013080b21ba11796c4149cc469f0f60653b80e322af4', 'platform': 'linux', 'machine': ['x86_64'] }, { 'arch': 'linux-arm', 'file_name': 'traceconv', 'file_size': 7737784, 'url': 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v51.2/linux-arm/traceconv', 'sha256': '7f333454158b08729b4ca061c41a0df59ce83758d3e37aeb88785718ef541f68', 'platform': 'linux', 'machine': ['armv6l', 'armv7l', 'armv8l'] }, { 'arch': 'linux-arm64', 'file_name': 'traceconv', 'file_size': 9741704, 'url': 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v51.2/linux-arm64/traceconv', 'sha256': '0cb017f77fe77d52842dd9204f8bec0c952e095672e63d0771901ce3e1df2823', 'platform': 'linux', 'machine': ['aarch64'] }, { 'arch': 'android-arm', 'file_name': 'traceconv', 'file_size': 7770560, 'url': 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v51.2/android-arm/traceconv', 'sha256': '2e9c35e4bf4467eec03a2effd5eee0ffac2aa94caec906f287b217e9f6ed6632' }, { 'arch': 'android-arm64', 'file_name': 'traceconv', 'file_size': 9688216, 'url': 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v51.2/android-arm64/traceconv', 'sha256': 'f4719f9a70cdd5e8aa4a258d73df63077fc35e7e9001d8a97feb263a873b2987' }, { 'arch': 'android-x86', 'file_name': 'traceconv', 'file_size': 10687648, 'url': 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v51.2/android-x86/traceconv', 'sha256': '2cdcc6b552a4b2634045996f54afa68829232df2ae0f70ae6f14312882668b9e' }, { 'arch': 'android-x64', 'file_name': 'traceconv', 'file_size': 10088072, 'url': 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v51.2/android-x64/traceconv', 'sha256': '4846091d86dd06bb81c1c79aa4758ec781087a3e7ccc1d9b270080d0e5e83c01' }, { 'arch': 'windows-amd64', 'file_name': 'traceconv.exe', 'file_size': 9995776, 'url': 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v51.2/windows-amd64/traceconv.exe', 'sha256': 'a471723517cbe053807354d0ff844d5b5efb45f745f49a0dd61cb4389da289af', 'platform': 'win32', 'machine': ['amd64'] }] # ----- Amalgamator: end of python/perfetto/prebuilts/manifests/traceconv.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(TRACECONV_MANIFEST) #EOF