| #!/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: |
| # ./tracebox |
| # python tracebox |
| # bash tracebox |
| # cat ./tracebox | bash |
| # cat ./tracebox | python - |
| |
| BASH_FALLBACK=""" " |
| exec python3 - "$@" <<'#'EOF |
| #""" # yapf: disable |
| |
| |
| # ----- Amalgamator: begin of python/perfetto/prebuilts/manifests/tracebox.py |
| # This file has been generated by: tools/roll-prebuilts v48.0 |
| TRACEBOX_MANIFEST = [{ |
| 'arch': |
| 'mac-amd64', |
| 'file_name': |
| 'tracebox', |
| 'file_size': |
| 1613864, |
| 'url': |
| 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v48.0/mac-amd64/tracebox', |
| 'sha256': |
| '0293262d5369ceda6c876a34ea29a598e21483d6f6c8f1935b253384e6d1ac69', |
| 'platform': |
| 'darwin', |
| 'machine': ['x86_64'] |
| }, { |
| 'arch': |
| 'mac-arm64', |
| 'file_name': |
| 'tracebox', |
| 'file_size': |
| 1492184, |
| 'url': |
| 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v48.0/mac-arm64/tracebox', |
| 'sha256': |
| '8d350fd702740017e2b658b0e12f2a82f89b79f47d6415552b241032a9dd2e9f', |
| 'platform': |
| 'darwin', |
| 'machine': ['arm64'] |
| }, { |
| 'arch': |
| 'linux-amd64', |
| 'file_name': |
| 'tracebox', |
| 'file_size': |
| 2380040, |
| 'url': |
| 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v48.0/linux-amd64/tracebox', |
| 'sha256': |
| 'd2a99cf4c00268ac5dc0f7908d9225bbd75f7c7ff1de1b7cc00539755183728e', |
| 'platform': |
| 'linux', |
| 'machine': ['x86_64'] |
| }, { |
| 'arch': |
| 'linux-arm', |
| 'file_name': |
| 'tracebox', |
| 'file_size': |
| 1450708, |
| 'url': |
| 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v48.0/linux-arm/tracebox', |
| 'sha256': |
| '0f5445952c9c741dccc8ba106dff9a28f936cdcb3c19ee605fb111028a1cd7dc', |
| 'platform': |
| 'linux', |
| 'machine': ['armv6l', 'armv7l', 'armv8l'] |
| }, { |
| 'arch': |
| 'linux-arm64', |
| 'file_name': |
| 'tracebox', |
| 'file_size': |
| 2269816, |
| 'url': |
| 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v48.0/linux-arm64/tracebox', |
| 'sha256': |
| 'decd6d20775b0d70a009ce66e6e02dd08738473b99e9b013e6f4b4344cdf96f9', |
| 'platform': |
| 'linux', |
| 'machine': ['aarch64'] |
| }, { |
| 'arch': |
| 'android-arm', |
| 'file_name': |
| 'tracebox', |
| 'file_size': |
| 1333336, |
| 'url': |
| 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v48.0/android-arm/tracebox', |
| 'sha256': |
| 'c295d8eb9eddebe8189e73379d0b723edbde222c2ce910f1e5bdbdadac777fc1' |
| }, { |
| 'arch': |
| 'android-arm64', |
| 'file_name': |
| 'tracebox', |
| 'file_size': |
| 2115984, |
| 'url': |
| 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v48.0/android-arm64/tracebox', |
| 'sha256': |
| 'c2aff71b8e5907d7e374dd8804ff56cd446a742ac9eddc33ea70258251468b0e' |
| }, { |
| 'arch': |
| 'android-x86', |
| 'file_name': |
| 'tracebox', |
| 'file_size': |
| 2302960, |
| 'url': |
| 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v48.0/android-x86/tracebox', |
| 'sha256': |
| '4585fa6d583c30b80377ca1b3aa1f7a49afed4953781f09ff882b56dd599557c' |
| }, { |
| 'arch': |
| 'android-x64', |
| 'file_name': |
| 'tracebox', |
| 'file_size': |
| 2147880, |
| 'url': |
| 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v48.0/android-x64/tracebox', |
| 'sha256': |
| '65de30a6ddf38a796b7c2557badb816fdf492888e46402e8198f4e24ed6fc5e5' |
| }] |
| |
| # ----- Amalgamator: end of python/perfetto/prebuilts/manifests/tracebox.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(TRACEBOX_MANIFEST) |
| |
| #EOF |