blob: 69e8a9124a81e879d5843be2ab5135a21e82f5fc [file] [log] [blame]
#!/usr/bin/env python3
# Copyright (C) 2019 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.
# 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
#"""
TOOL_NAME = 'trace_processor_shell'
# BEGIN_SECTION_GENERATED_BY(roll-prebuilts)
# Revision: v23.0
PERFETTO_PREBUILT_MANIFEST = [{
'tool':
'trace_processor_shell',
'arch':
'mac-amd64',
'file_name':
'trace_processor_shell',
'file_size':
6924224,
'url':
'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v23.0/mac-amd64/trace_processor_shell',
'sha256':
'08bde02f5920fa1af8dc64b857db9c000ac6940f2bb49030742d62adf04e3ff3',
'platform':
'darwin',
'machine': ['x86_64']
}, {
'tool':
'trace_processor_shell',
'arch':
'windows-amd64',
'file_name':
'trace_processor_shell.exe',
'file_size':
6656512,
'url':
'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v23.0/windows-amd64/trace_processor_shell.exe',
'sha256':
'8151996f74ad7b3e6fb8c04c5acd351a74fe24e939902cc74380e9789c203309',
'platform':
'win32',
'machine': ['amd64']
}, {
'tool':
'trace_processor_shell',
'arch':
'linux-amd64',
'file_name':
'trace_processor_shell',
'file_size':
7495496,
'url':
'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v23.0/linux-amd64/trace_processor_shell',
'sha256':
'e71bf3c16224a8ecbfb2485864dd3762f642fb052acf560d0631ef6c18a740fd',
'platform':
'linux',
'machine': ['x86_64']
}, {
'tool':
'trace_processor_shell',
'arch':
'linux-arm',
'file_name':
'trace_processor_shell',
'file_size':
4867252,
'url':
'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v23.0/linux-arm/trace_processor_shell',
'sha256':
'e909add14c46bcc5a2ed1736169886696867cebc17c5218cb9c143caced886f5',
'platform':
'linux',
'machine': ['armv6l', 'armv7l', 'armv8l']
}, {
'tool':
'trace_processor_shell',
'arch':
'linux-arm64',
'file_name':
'trace_processor_shell',
'file_size':
6742056,
'url':
'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/v23.0/linux-arm64/trace_processor_shell',
'sha256':
'b2cad70adbb139a8878d69999e0dfad40ca24e94f001b7bd67dcbbedcdb6c6dc',
'platform':
'linux',
'machine': ['aarch64']
}]
# DO NOT EDIT. If you wish to make edits to this code, you need to change only
# //tools/get_perfetto_prebuilt.py and run /tools/roll-prebuilts to regenerate
# all the others scripts this is embedded into.
def get_perfetto_prebuilt(tool_name, soft_fail=False, arch=None):
""" Downloads the prebuilt, if necessary, and returns its path on disk. """
# The first time this is invoked, it downloads the |url| and caches it into
# ~/.perfetto/prebuilts/$tool_name. On subsequent invocations it just runs the
# cached version.
def download_or_get_cached(file_name, url, sha256):
import os, hashlib, subprocess
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:
# Either the filed doesn't exist or the SHA256 doesn't match.
tmp_path = bin_path + '.tmp'
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.rename(tmp_path, bin_path)
with open(sha256_path, 'w') as f:
f.write(sha256)
return bin_path
# --- end of download_or_get_cached() ---
# --- get_perfetto_prebuilt() function starts here. ---
import os, platform, sys
plat = sys.platform.lower()
machine = platform.machine().lower()
manifest_entry = None
for entry in PERFETTO_PREBUILT_MANIFEST:
# If the caller overrides the arch, just match that (for Android prebuilts).
if arch and entry.get('arch') == arch:
manifest_entry = entry
break
# Otherwise guess the local machine arch.
if entry.get('tool') == tool_name and 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'])
# END_SECTION_GENERATED_BY(roll-prebuilts)
if __name__ == '__main__':
import sys, os
bin_path = get_perfetto_prebuilt(TOOL_NAME)
os.execv(bin_path, [bin_path] + sys.argv[1:])
#EOF